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The company has established the enterprise goal of "survival by quality, reputation by quality, and development by quality. Strengthen the training of technical personnel, and constantly enrich the first-line technical force to ensure the normal operation of the quality assurance system.
The importance of mechanical seals in stainless steel reactor accessories
Release time:
2019-08-19
With the development of scientific research and production,Stainless steel reaction kettleThe operating pressure and temperature are constantly increasing, and the device tends to be large-scale. As the volume of the kettle increases, the diameter of the stirring shaft has been greatly improved. It is imperative to improve the service life and reliability of mechanical seals for kettles, design and develop high-parameter mechanical seals for kettles, and replace imported products with localization.
If you have any contact with chemical production, you should find that,Stainless steel reaction kettleThe whole process of the work is carried out in a closed state, and in this closed state, the internal reaction environment is continuously intervened by the adjustment device to adjust various functional parameters to promote the reaction of chemical materials and improve production efficiency. mechanical seal inStainless steel reaction kettleThe use of the requirements are very strict, just like its production work, must meet the corresponding work requirements, to ensure that the seal does not leak.
Stainless steel reaction kettleThe surface of the dynamic and static rings of the mechanical seal shall be free of scratches, bumps and scratches, and the flatness of the contact surface shall meet the specified requirements. Mechanical seal end face than the appropriate pressure, shall not arbitrarily change the specifications of the spring. The spring shall be free of rust, deformation and other defects, and the total contact surface shall reachMore than 80%. The vertical tolerance of the static ring end face to the axis can be in the range of 0.05mm.Stainless steel reaction kettleFor hydraulic test, the leakage at the seal shall not exceed10 ml/h. Therefore, the mechanical seal must be guaranteed under high temperature and high pressureStainless steel reaction kettleSealing conditions ensure that a stable chemical reaction environment can be formed during the working process. The mechanical seal is safely set to achieve a good sealing effect and promote the rate of chemical reaction.
.Stainless steel reaction kettleThe form and structure of the mechanical seal and the mechanical seal of the pump are different in structure, but their functions and principles are the same. Generally speaking, the sealing speed of the kettle is low, and the spring specific pressure should be larger. The stirring shaft vibrates greatly, the sealing member should be designed to be solid, and the friction pair ring should adopt an integral structure when sealing gas. Considering the large swing of the rotating shaft, the clearance between the stationary ring and the shaft should be larger. Large shaft diameter top plug-in typeStainless steel reaction kettleWhen calculating the specific pressure of the end face of the seal, the weight of the compensation ring cannot be ignored. Common mechanical seal models for kettle are202 series, 212 series, 204 series, etc.
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