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Common sense of mechanical seal selection and use Mechanical seal is one of the precision and complex mechanical basic elements, and is the key component of various mechanical seal pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment. Its sealing performance and service life depend on many factors, such as model selection, machine accuracy, correct installation and use, etc. 1、 Selection method Mechanical density
Published on: March 21, 2023 Clicks: 61
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What role does the pump mechanical seal manufacturer play in the pressure vessel? Because of its wide source of materials, convenient processing, low price, simple structure, convenient maintenance and other characteristics, packing seals are often used in occasions where the sealing requirements are not strict. However, the corrosion resistance, heat resistance, lubricity, impermeability and other aspects cannot fully meet the needs of chemical production, and mechanical seals are gradually replacing them. Mechanical seal is also called end
Published on: January 14, 2023 Clicks: 123
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There are three main reasons for the seal function failure of the kettle mechanical seal (1) When the sealing surface is opened to repair the mechanical seal, 85% of the seal failure is not caused by wear, but has leaked before wear. As soon as the sealing surface is opened, solid particles in the medium enter the sealing surface under the action of liquid pressure. After the sealing surface is closed, these solid particles are embedded in the soft ring (through
Published on: November 30, 2022-10 Number of hits: 66
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The installation method, steps and installation precautions of mechanical seals for various types of pump kettles Chemical pumps, centrifugal pumps, multistage pumps, self-priming pumps and various sewage pump products all use mechanical seals. The mechanical seal of the water pump is a vulnerable part. In order to ensure the normal operation of the water pump, the mechanical seal is generally replaced once every three months. The structure and principle of the mechanical seal for pumps are generally divided into two parts: dynamic ring
Published on: November 17, 2022-17 Number of hits: 106
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Explanation on the purpose of flushing scheme of mechanical seal for kettle Generally, mechanical seal (especially cartridge mechanical seal) can be equipped with auxiliary system, but the most suitable flushing scheme should be selected according to different working conditions. For flushing, it is to directly inject liquid into the high-pressure side of double end mechanical seal or single end mechanical seal. Generally, pumps shall be flushed, especially
Published on: September 30, 2022 Clicks: 92
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Precautions for kettle mechanical seal when checking the surface of hard ring The failure of rubber ring is related to the use mode. Usually, high pressure is a reason for the failure of imported pressed O-ring. When it is found that the O-ring becomes rectangular or the ring becomes hard, the compression amount needs to be adjusted, otherwise it will become hot. (1) Hot cracking; (2) Ceramic ring fracture; (3) Nick; (4) The coating falls off. ceramics
Published on: September 19, 2022 Clicks: 69
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Cause analysis and treatment measures for leakage of mechanical seal for kettle In centrifugal pump and reaction kettle, the seal between rotating pump shaft and fixed shell is called shaft seal device. At present, centrifugal pumps and reactors are generally used for sealing and mechanical sealing. Mechanical seals are widely used because of their low leakage, long service life, low power loss, no need for frequent maintenance and little impact on the environment. Mechanical density
Published on: August 28, 2022 Clicks: 193
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How should the kettle mechanical seal be assembled? (1) The assembled parts must meet the specified technical requirements, and any unqualified parts cannot be assembled. For this reason, the parts must be strictly inspected before assembly. (2) The correct fitting method must be selected to meet the requirements of fitting accuracy. A lot of work in mechanical seal repair is to restore mutual matching
Published on: July 30, 2022 Clicks: 74
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Selection and use of mechanical seal for kettle 1. Requirements of mechanical seal on machine precision (taking pump mechanical seal as an example) (1) The radial runout tolerance of shaft (or shaft sleeve) installed with mechanical seal shall not exceed 0.04~0.06MM. (2) Axial displacement of rotor shall not exceed 0.3mm&
Published on: June 27, 2022 Clicks: 73
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Five tips to solve the problem of water leakage of mechanical seals used in kettles. The feature of mechanical seals is that they can be used for various equipment, especially equipment such as reaction kettles and pumps. Because such equipment has high sealing requirements and cannot contain impurities, they are used more frequently. The problem of water leakage is really worrying. Water leakage causes poor sealing effect of sealing elements. This is a taboo for many people. The following five
Published on: June 18, 2022 Clicks: 286
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The selection of mechanical seal for kettle requires that the mechanical seal is one of the precision and complex mechanical basic elements, and is the key component of various pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment. Its sealing performance and service life depend on many factors, such as model selection, machine accuracy, correct installation and use, etc. 1、 Selection method: the main selection method of mechanical seal
Published on: June 17, 2022 Clicks: 91
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With the requirements of production safety and environmental protection, the application of mechanical seal for kettle is more and more extensive. At present, most of the rotating equipment in most enterprises use mechanical seals to protect the dynamic and static sealing surfaces from leakage. However, mechanical seals are relatively precise parts of the equipment, which require high technical personnel in the process of operation and maintenance,
Published on: 2022-05-31 Number of hits: 70
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Maintenance method of kettle mechanical seal The service life of kettle mechanical seal varies with different conditions and environments, and is closely related to the working temperature, working pressure, materials in the kettle, rotating speed, sealing liquid medium, deviation, vibration and movement of mixing shaft. Therefore, careful operation and maintenance are very important to improve the service life of mechanical seals. 1. It should be noted that stirring is used in the startup kettle
Published on: 2022-05-17 Number of hits: 73
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Instructions for auxiliary device of kettle mechanical seal with balance tank I. Before installation of kettle mechanical seal, check that the axial movement of shaft is not more than 0.5rnm, the radial swing is not more than 0.5mm, the perpendicularity between flange and axis of kettle mechanical seal is not more than 0.05mm, and the shaft tolerance of mechanical seal part is h8. The finish is 1.6. 2、 Mechanical seal for kettle
Published on: 2022-05-16 Number of hits: 701
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Why should auxiliary facilities be used for kettle mechanical seal? In fluid machinery (such as pumps, compressors, agitators, centrifuges, etc.), the most demanding parts of mechanical seals for pumps under working conditions are mechanical seals. Bearing axial force like thrust bearing; Export the heat generated like a heat exchanger. It is difficult to achieve static sealing in high temperature, high pressure, corrosion prone and other parts, and the requirements are high
Published on: April 28, 2022 Clicks: 67
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Technical requirements for kettle mechanical seal during installation Mechanical seal is a high precision mechanical part, which has a great impact on its correct device and operation and its service life. We generally follow the standards of the Ministry of Petrochemical Industry. The skill requirements for the pump and mechanical seal cooperation part of the device mechanical seal are as follows: 1. Shaft bending:. Not more than 0.05 mm; 2、
Published on: April 9, 2022 Clicks: 89
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The operating pressure of the seal should be the pressure of the sealing medium in the seal chamber. Since the medium pressure in the seal chamber and the mechanical seals are not equal to the operating pressure of the pump, and sometimes the operating pressure of the seal is higher, equal to or lower than the operating pressure of the pump, the operating pressure of the seal should be determined according to the detailed pump structure and conditions. For example,
Published on: March 12, 2022 Clicks: 101
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Various criteria for service life of mechanical seals for kettles Mechanical seals are one of the basic mechanical elements with precision and complex structure, and are key components of various pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment. Its sealing performance and service life depend on many factors, such as model selection, machine accuracy, correct installation and use, etc. 1、 Selection method Mechanical seal according to work
Published on: February 26, 2022 Clicks: 133
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Instructions for installation of mechanical seal for kettle Before designing the mechanical seal for kettle, all conditions should be designed, and the PV value needed should be known, as well as the shape and volume of the equipment used. When considering these conditions, it is still necessary to know the size of friction power consumption, which will also affect the service life of itself and the consideration of materials to be used;
Published on: February 12, 2022 Clicks: 238
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Cause of leakage of kettle mechanical seal Cause of leakage of mechanical seal Faults of mechanical seal are mostly discovered after abnormal leakage, abnormal wear, abnormal torque and other phenomena occur. There are four reasons for mechanical seal failure: incorrect design and selection of mechanical seal; Poor mechanical seal quality; The accuracy of the machine using or installing mechanical seals cannot meet the requirements; machine
Published on: December 25, 2021 Clicks: 140
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Structure and characteristics of mechanical seal for reaction kettle Definition of mechanical seal for reactor kettle: mechanical seal for reactor kettle is an ideal way to solve the problem of mixing shaft seal. According to the logarithm of sealing surface, there are single end and double end mechanical seals. The double end mechanical seal is generally equipped with a balanced circulation system, which can be used in flammable, explosive, toxic, corrosive, high vacuum, etc
Published on: December 4, 2021-10 Clicks: 168
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Installation, operation, maintenance and fault analysis of mechanical seal for kettle Mechanical seal has been widely used in petrochemical and other industrial sectors due to its advantages of good sealing performance and long service life. However, if the mechanical seal is improperly installed, operated and maintained, accidents will often occur, At that time, mechanical seal was not as popular as packing seal because mechanical seal was a more precise part
Published on: November 27th, 2021 Clicks: 83
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What is the effect of overheating when using the kettle mechanical seal? According to different working conditions and media properties, mechanical seals include high and low temperature resistant mechanical seals, high pressure and corrosion resistant mechanical seals, granular media resistant mechanical seals, and mechanical seals suitable for easily vaporized light hydrocarbon media. Mechanical seals with different structure types and materials shall be selected according to different uses. One or both end faces have clearance
Published on: November 6, 2021-10 Number of hits: 208
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What are the leakage positions of common mechanical seal rings for kettle? The mechanical seal ring is a sealing machine equipment composed of two sealing components (static ring and dynamic ring), which are vertically split, bright and vertical surfaces that meet each other, and do a good job of relative overturning. It generates appropriate clamping force on the contact surface (inner hole) of the rotating dynamic ring and static ring by the working pressure of the sealing medium, so that
Published on: October 30, 2021-10 Clicks: 90
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The difference and selection of pump packing seal and kettle mechanical seal The shaft seal is a sealing device set to prevent leakage at the pump shaft and shell. The commonly used shaft seals include packing seal, mechanical seal and power seal. The shaft seal of the reciprocating pump is usually a packing seal. When the medium is not allowed to leak, the diaphragm reciprocating pump can be used. Shaft seal of rotary pump (including vane pump, rotor pump, etc.)
Published on: October 20, 2021 Clicks: 101
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Operating environment of kettle mechanical seal The kettle mechanical seal is a mechanical seal used on the reaction kettle. It is a very important part of the reaction kettle, and it directly affects the service life and stability of the reaction kettle. Therefore, to improve the service life and reliability of mechanical seals for reactors, it is necessary to research and produce mechanical seals with higher parameters, so as to improve the performance and service life of reactors. We all know
Published on: October 1, 2021 Clicks: 85
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Common sense of selection and use of mechanical seal for kettle Mechanical seal is one of the precise and complex mechanical basic elements, and is the key component of various mechanical seal pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment. Its sealing performance and service life depend on many factors, such as model selection, machine accuracy, correct installation and use, etc. 1、 Selection method Machinery
Published on: September 30, 2021 Clicks: 88
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Introduction to the use of mechanical seal equipment for kettle Mechanical seal equipment is a kind of oil seal equipment for rotating machinery. It has high requirements on the quality of the equipment used for the cooperation of other phase pump separated mechanical seals. It adheres to Grundfos under the cooperation of one or more pairs of mechanical seal faces perpendicular to the rotating axis under the effect of fluid pressure and compensation arrangement elasticity (or magnetic force) and auxiliary seals
Published on: September 4, 2021 Clicks: 88
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The installation details of the mechanical seal for the pump kettle can not be ignored. The correct installation and use of the mechanical seal for the pump can extend the service life of the mechanical seal for the pump and reduce the operating cost. Work carefully for each link to ensure the normal operation and production of the whole machine. What details can not be ignored in the installation of mechanical seals for pumps? 1. Shaft sleeve area for installing mechanical seal
Published on: August 28, 2021 Clicks: 63
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Performance and cause of mechanical seal failure for kettle 1. Mechanical seal parts are prone to failure. During the operation of rotating equipment, the sealing surface is easily affected by the environment and has damage, deformation and other conditions. Like a spring, if it is used for a long time, it will also have fracture, corrosion, relaxation and other conditions. The sealing ring of the internal parts of the mechanical seal will also be distorted and deformed,
Published on: August 21, 2021 Clicks: 122
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What are the external conditions that affect the mechanical seal for kettle? Mechanical seal usually consists of moving ring, stationary ring, pressing element and sealing element. The end faces of the moving ring and the fixed ring form a pair of friction pairs. The moving ring presses its end face on the end face of the fixed ring through the pressure of the liquid in the sealing chamber, and generates appropriate specific pressure on the end faces of the two rings to maintain a very thin liquid film to achieve a dense
Published on: August 7, 2021 Clicks: 72
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Published on: June 16, 2021 Clicks: 69
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Control system of dry gas seal - classification of supply gas and requirements Under the condition of correct design based on operating conditions, the operation of dry gas seal mainly depends on the normal matching between the two ends of the seal, namely, the dynamic ring and the static ring. If the gas entering the seal chamber is mixed with small impurities, the reliability and life of the whole dry gas seal system will be seriously affected. Therefore, To ensure its safe operation
Published on: June 16, 2021 Clicks: 371
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The flushing scheme of mechanical seals aims to directly inject liquid into the high-pressure side of double or single seals, which is called "flushing". Generally, pumps shall be flushed, especially light hydrocarbon pumps. 1. Flush to dissipate heat. Control the heat generated by the liquid seal. This can be achieved by flushing the seal chamber with liquid to take away heat and control the temperature rise. 2. Lower the liquid temperature. In some cases, liquid temperature
Published on: June 21, 2021 Clicks: 553
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How to check the shaft curvature of mechanical seal for kettle Mechanical seal is a kind of mechanical seal specially used for reaction kettle, pump equipment and equipment with high sealing requirements. It can provide a good sealing environment for many equipment. It is an indispensable part of some equipment that needs to be sealed, and it is also a part that needs to be used to prevent external bacteria from entering. It enhances the sealing of equipment,
Published on: June 16, 2021 Clicks: 116
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How to correctly install the installation sequence of mechanical seals for single end kettles? After the installation preparation is completed, the installation can be carried out in a certain sequence, completing the installation of static parts in the end cover and rotating parts on the shaft, and completing the overall assembly installation of seals. Taking the single end internal non-equilibrium mechanical seal for centrifugal pump shown in Figure 1 as an example, the installation sequence is as follows
Published on: 2021-05-17 Number of hits: 232
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How to select the sealing performance and service life of the mechanical seal for the base material of the kettle mechanical seal is related to the mechanical shaft seal material of each part, especially the end seal (friction pair) material, auxiliary seal material and spring material. 1、 Materials of friction pair for end seal Friction pair materials include graphite, ceramics, hardfacing carbide, tungsten carbide, SiC, filled with poly (IV)
Published on: April 30, 2021 Clicks: 75
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Role of mechanical seal for kettle Mechanical seal plays a good role in reducing medium leakage and stabilizing production, and also plays a good role when the working environment is relatively harsh, such as production under high temperature, high pressure, corrosion and other environments. Its specific role can be summarized in four aspects. 1、 Improve machine efficiency and reduce energy consumption 1. Reduce internal leakage, external leakage and penetration of the machine
Published on: March 31, 2021 Clicks: 126
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Introduction to the use of mechanical seal equipment for kettle Mechanical seal equipment is a kind of oil seal equipment for rotating machinery. It has high requirements on the quality of the equipment used for the cooperation of other phase pump separated mechanical seals. It adheres to Grundfos under the cooperation of one or more pairs of mechanical seal faces perpendicular to the rotating axis under the effect of fluid pressure and compensation arrangement elasticity (or magnetic force) and auxiliary seals
Published on: January 15, 2021 Clicks: 92
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With the development of modern industry, especially oil and gas field development, mining, metallurgy, electric power, paper making, fine chemical industry, salt chemical industry, water supply and drainage, sewage treatment, food processing and other industries, there are more and more pumps conveying solid particle media. The fluid medium containing solid particles and fibers is very unfavorable to the work of pump mechanical seal
Published on: December 26, 2020 Number of hits: 89
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Cause analysis of thermal damage of mechanical seal for kettle thermal damage is mainly overheating. It is difficult to calculate the thermal effect of mechanical seal, and it can only be designed correctly from the perspective of considering thermal influence factors, but the friction coefficient pV value and thermal conductivity, dry running performance and practical experience must be known. Thermal damage includes the following types: 1) Thermal cracking, usually under the action of excessive thermal stress, the sealing ring
Published on: February 29, 2020 Clicks: 144
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Technical requirements for main parts of kettle mechanical seal 1. Flatness and roughness requirements for sealing end face 2. Parallelism of sealing end face of stationary ring and moving ring and the end face contacting the auxiliary sealing ring shall comply with grade 7 tolerance in GB1184~80 Regulations on Form and Position Tolerances without Tolerance Indications 3. Surface roughness of contact between stationary ring and moving ring and auxiliary sealing ring shall comply with JB4127-8
Published on: January 1, 2020 Number of hits: 232
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Technical conditions of kettle mechanical seal Only the kettle mechanical seal that meets the technical conditions is qualified. However, due to their too many models and different equipment, their requirements are different, and their production technologies are also different. So the quality of the products is different. The main purpose of formulating its technical conditions is to standardize the later production. Its technical conditions include:
Published on: December 17, 2019 Clicks: 170
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What is the difference between the mechanical seal for the agitator and the mechanical seal for the pump? Mechanical seal for agitator kettle and mechanical seal for pump are mechanical parts used to seal rotating shaft and static pump chamber. The sealed part is a cylindrical area, the shaft in the equipment rotates and penetrates inside and outside the equipment, and the body part is still and full of fluid medium inside. Driven by pressure difference, concentration difference, temperature difference, etc
Published on: November 9, 2019 Clicks: 145
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The utility model relates to the technical field of mechanical seal devices, in particular to a mechanical seal for a dry running kettle. Background technology: Kettle mechanical seal is an ideal way to solve the problem of mixing shaft seal. According to the logarithm of sealing surface, there are single end mechanical seal and double end mechanical seal. Double end mechanical seal is generally equipped with a balanced circulation system, which can be used in flammable, explosive, toxic, corrosive, high-tech
Published on: October 26, 2019 Number of hits: 124
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The installation of mechanical seal for kettle shall ensure that the installation chamber is clean and free of any foreign matter. The shaft or sleeve matched with the mechanical seal shall be of correct size, smooth surface, good straightness, and free from burrs, sharp corners, nicks or deep scratches. Seal all holes in the seal chamber that are not used by the mechanical seal during operation. The end face of the seal chamber must be clean, smooth and perpendicular to the axis line. The two boxes of the horizontal split pump must
Published on: November 26, 2019 Clicks: 122
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Lubrication of mechanical seal for kettle Mechanical seal working in liquid medium generally relies on the liquid film formed by liquid medium between the dynamic and static ring friction surfaces for lubrication. Therefore, maintaining the liquid film between friction surfaces is essential to ensure the stable operation of mechanical seals and extend their service life. According to different conditions, the friction between the dynamic and static rings of the mechanical seal may occur in the following cases: (1)
Published on: October 29, 2020 Number of hits: 88
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Advantages and disadvantages of mechanical seal for kettle 1. Advantages (1) The structure is reliable, and the leakage can be limited to a small amount. As long as the surface roughness and straightness of the main sealing surface can meet the requirements, and as long as the wear resistance of the material is good, the mechanical seal can achieve a small amount of leakage, even the leakage can not be seen by the naked eye. (2) Long life. In the mechanical seal, the main wearing part is the end face of the seal friction pair, because
Published on: July 23, 2019 Number of hits: 159
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The technical requirements of mechanical seal for kettle are that the seal ring is the general name of dynamic ring and static ring (the same below), and it is the main component of mechanical seal. To a great extent, seal ring determines the service performance and life of mechanical seal, so some requirements are put forward for it. There shall be sufficient strength and rigidity to prevent damage under working conditions (such as pressure, temperature, sliding speed, etc.), and the deformation shall be as small as possible,
Published on: October 15, 2020 Clicks: 91
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Normal operation and maintenance of mechanical seal for kettle 1. Preparations and precautions before startup a. Fully check whether the mechanical seal, auxiliary devices and pipeline installation are complete and meet the technical requirements. b. Static pressure test shall be carried out before starting the mechanical seal to check whether there is leakage of the mechanical seal. If there are many leaks, find out the causes and try to eliminate them. If it is still invalid, it shall be disassembled for inspection
Published on: March 28, 2020 Number of hits: 87
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Features of mechanical seal for kettle 1. The mixing shaft is relatively long, and there is a mixing paddle at the lower end, so the mechanical seal for pump has a large swing and oscillation contrast, which makes the dynamic ring and the static ring can not fit perfectly. Usually, the mixing shaft needs to be equipped with a bottom bearing or a central bearing. In order to reduce the influence of shaft swing and oscillation on the seal, add a bearing near the seal, and first consider that the dynamic ring and static ring have better floating performance. 2、
Published on: June 15, 2020 Clicks: 101
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The mechanical seal for kettle has higher sealing requirements. When the shaft needs to bear greater radial force, the mechanical seal with built-in bearing should be selected, but it is generally not used as the bearing point of the shaft. If it is necessary to use this as the supporting point, the improved mechanical seal with T after the model shall be selected. Replace the built-in bearing of the mechanical seal for kettle with two tapered roller bearings, which can replace the
Published on: June 11, 2019 Number of hits: 158
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Service life and reliability of mechanical seals for kettles I Service life of mechanical seals Mechanical seals rarely fail due to long-term wear and tear, and other factors often promote premature failure of pump mechanical seals. Therefore, the life of the seal should be regarded as a statistical quantity of the kettle mechanical seal, and it is difficult to obtain an accurate value. For example, mechanical seals used in some sewage pumps, one
Published on: June 6, 2019 Clicks: 139
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Tips for installation and use of mechanical seal for kettle 1. Apply a layer of clean lubricant on the surface in contact with the seal during installation to facilitate smooth assembly. Recommended lubricants: soapy water, silicone grease, ethylene glycol ester or glycerin, etc. 2. The sealing cavity of the equipment shall be kept clean during installation, and the sealing parts shall be
Published on: August 24, 2019 Clicks: 127
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Common gasket performance of kettle mechanical seal I) When using the valve, the original gasket is often replaced according to the specific situation. Common gaskets include: rubber flat washer, rubber O-ring, plastic flat washer, PTFE wrapped washer, asbestos rubber washer, metal flat washer, metal profiled washer, metal sheath washer, corrugated washer, spiral wound washer, etc. (1) Rubber
Published on: March 14, 2020 Clicks: 139
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The reason for the failure of mechanical seal for kettle is that the failure of mechanical seal is generally known after the occurrence of abnormal leakage, abnormal wear, abnormal torque and other phenomena. The reasons for the failure are as follows: 1. The design and selection of mechanical seal are incorrect; 2. Poor mechanical seal quality; 3. The accuracy of the machine using or installing mechanical seal cannot reach
Published on: April 26, 2019 Clicks: 126
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Precautions for kettle mechanical seal during installation 1. Pay great attention to avoid installation deviation during installation (1). Tighten the gland after alignment of the coupling. The bolts should be evenly supported to prevent the end face of the gland from deflection. Check each point with a feeler gauge, and the error should not be greater than 0.05 mm. (2) Check the fit clearance (i.e. concentricity) between the gland and the outer diameter of the shaft or shaft sleeve
Published on: April 20, 2019 Clicks: 160
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Replacement steps of mechanical seal for kettle Mechanical seal is very important for chemical pump, hot water pipeline pump and oil pump. The installation of mechanical seal can make the pump run without leakage, greatly improving the working environment of pump management personnel and extending the service life of the pump. The following is a detailed explanation of the installation steps of the mechanical seal: (1) Prepare the work for placing pump parts
Published on: February 4, 2020 Number of hits: 298
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Several mistakes should be noticed when the kettle mechanical seal manufacturer overhauls! 1. The greater the spring compression, the better the sealing effect. In fact, the spring compression is too large, which can lead to rapid wear and instant burning of the friction pair; Excessive compression makes the spring lose the ability to adjust the end face of the moving ring, leading to seal failure. 2. The tighter the dynamic ring seal diagram, the better. The driving ring seal ring is too tight
Published on: March 23, 2019 Number of hits: 188
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Technical requirements for the use of mechanical seal for kettle The seal ring is the general name of dynamic ring and static ring (the same below), and is the main component of mechanical seal. To a great extent, seal ring determines the service performance and life of mechanical seal, so some requirements are put forward for it. There is enough strength and stiffness to prevent damage under working conditions (such as pressure, temperature and sliding speed), and deformation should be as far as possible
Published on: February 16, 2019 Clicks: 164
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Correct installation steps of kettle mechanical seal 1. Check whether the model and specification of the mechanical seal to be installed are correct. 2. Check whether the dimensional accuracy, geometric accuracy and interrelation of the parts related to the installation of the main engine and mechanical seal meet the technical requirements. It mainly includes the following aspects: (1) The radial runout tolerance of the shaft (or shaft sleeve) where the mechanical seal is installed（
Published on: November 12, 2018 Clicks: 1535
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What are the advantages of mechanical seal for kettle? With the rapid development of science and technology, the performance of the kettle mechanical seal is constantly updated and widely used, and there are many manufacturers of products. How to choose a suitable manufacturer is a science. In terms of price, on the one hand, knowledge should also be comprehensively considered from other aspects, such as whether the manufacturer is standardized and whether after-sales service is
Published on: October 30, 2018 Clicks: 218
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This paper introduces the form of mechanical seal for kettle and how to deal with the problem correctly in case of failure. The kettle mechanical seals are divided into the following six types: 201 type single end face single spring unbalanced seal, 202 type single end face multi spring unbalanced seal, 203 type single end face single spring balanced seal, 204 type single end face multi spring balanced seal, 205 type double end face
Published on: November 4, 2018 Clicks: 162
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Key points for overall inspection and installation of mechanical seal for kettle: 1. Check whether the model and specification of the mechanical seal to be installed are correct. 2. Check whether the dimensional accuracy, geometric accuracy and interrelation of the parts related to the installation of the main engine and mechanical seal meet the technical requirements. It mainly includes the following aspects: (1) The radial runout of the shaft (or shaft sleeve) where the mechanical seal is installed
Published on: November 6, 2018 Number of hits: 338
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The sealing equipment of the reaction kettle The sealing equipment used in the reaction kettle is a dynamic sealing structure, which mainly includes two types: packing seal and mechanical seal. The mechanical seal for kettle is compared with the stuffing box seal. The seal is firm, and the mechanical seal will not leak or rarely leak during a long service period. Clean, no dead corner, can avoid contamination of miscellaneous bacteria.
Published on: November 11, 2018 Number of hits: 451
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What are the characteristics of mechanical seal for kettle? What are the causes of wear? The mechanical seal is a device that is formed by at least one pair perpendicular to the end face of the rotating axis, by the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism, and by the cooperation of the auxiliary seal, so as to keep the relative sliding when sticking together and prevent the fluid from being exposed. The auxiliary seal of the compensating ring of the mechanical seal is
Published on: October 29, 2018 Clicks: 224
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What are the structural characteristics of the mechanical seal for kettle? In terms of sealing principle, the machinery used for kettle and discharge chute is the same as that used for pump, but the mechanical seals used for pump have the same operating conditions and operating technology. Therefore, the requirements for seal structure design and sealing system are different from those used for pump, and have their own characteristics: 1. Radial vibration and axial displacement of mixing shaft
Published on: November 11, 2018 Clicks: 314
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What are the key points of using mechanical seals for kettles? In the pump parts, mechanical seal is a very important part, and mechanical seal is also a vulnerable part. If the mechanical seal is damaged, the pump body will leak. If a direct coupled pump is used, the motor will be damaged once the medium in the pump body penetrates into the motor. Therefore, the quality of mechanical seals is crucial. want
Published on: November 23, 2018 Clicks: 151
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1. Preface: Kettle machinery is an important system equipment for industrial production. If leakage occurs in the production and application phase, it will have a negative impact on product quality, and will also emit toxic, explosive and flammable dangerous gases, posing a significant hazard to the ecological environment and the plant system itself. If the kettle machinery is overhauled for many times, the materials need to be transferred out and necessary
Published on: November 26, 2018 Number of hits: 150
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Use of mechanical seal for kettle 1. Before normal use, operate under normal pressure, and observe whether the temperature rise of the sealing part is normal and whether there is leakage. If there is slight leakage, run in for a period of time to make the end face fit more evenly until the leakage gradually reduces to normal. If the leakage does not decrease after 1-3 hours of operation, stop the machine for inspection. 2. Main
Published on: November 28, 2018 Clicks: 177
