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CN-224215820-U - Prevent sodium silicate kiln of excessive pressure

CN224215820UCN 224215820 UCN224215820 UCN 224215820UCN-224215820-U

Abstract

The utility model relates to the technical field of sodium silicate kilns, in particular to an overpressure-preventing sodium silicate kiln, which comprises a kiln body, wherein a heating cavity is arranged in the kiln body, a main exhaust pipe communicated with the heating cavity is arranged at the top of the kiln body, a pressure relief pipe communicated with the heating cavity is also arranged at the top of the kiln body, one end of the pressure relief pipe, which is far away from the heating cavity, is sealed by a cap, a spring is arranged in the pressure relief pipe, one end of the spring is connected with the cap, the other end of the spring is connected with a piston, and a plurality of exhaust holes are formed in the side wall of the pressure relief pipe at intervals along the moving direction of the piston. Through setting up the pressure release pipe, when the heating intracavity leads to the pressure in the heating chamber to increase because of various reasons, the gas in the heating chamber can promote piston compression spring to make the piston remove towards the cap, just so can make exhaust hole and heating chamber intercommunication, thereby make the gas in the heating chamber discharge through the exhaust hole, realize the purpose of pressure release.

Inventors

  • LIN HONG
  • YUAN SHUGUI
  • XIAO SHIBIN

Assignees

  • 四川鸿浩天富实业有限公司

Dates

Publication Date
20260508
Application Date
20250425

Claims (8)

  1. 1. The utility model provides a prevent sodium silicate kiln of excessive pressure, includes kiln body (1), be provided with the heating chamber in kiln body (1), the top of kiln body (1) be provided with main blast pipe (2) that the heating chamber is linked together, a serial communication port, the top of kiln body (1) still be provided with pressure release pipe (3) that the heating chamber is linked together, the one end that heating chamber was kept away from to pressure release pipe (3) is closed through cap (4), install spring (5) in pressure release pipe (3), the one end of spring (5) with cap (4) link to each other, and the other end is connected with piston (6), the lateral wall interval of pressure release pipe (3) is provided with a plurality of exhaust holes (7) along the direction of movement of piston (6).
  2. 2. The overpressure-preventing sodium silicate kiln as set forth in claim 1, wherein the cap (4) is provided with a threaded hole (8) communicated with the pressure relief pipe (3), a screw rod (9) is connected in the threaded hole (8) in a threaded matching manner, one end of the screw rod (9) penetrates into the pressure relief pipe (3) and is connected with an adjusting plate (10), and one end of the spring (5) away from the piston (6) is fixedly connected with the adjusting plate (10).
  3. 3. The overpressure-preventing sodium silicate kiln as set forth in claim 2, wherein a first channel (11) and a second channel (12) which are communicated with each other are sequentially arranged in the exhaust pipe along the length direction, the first channel (11) is communicated with the heating cavity, the diameter of the second channel (12) is larger than that of the first channel (11), a plurality of exhaust holes (7) are communicated with the first channel (11), the piston (6) comprises a limiting plate (13) and a sealing column (14), the limiting plate (13) is arranged in the second channel (12), the diameter of the limiting plate (13) is smaller than that of the second channel (12) and larger than that of the first channel (11), the outer wall of the sealing column (14) is in sliding fit with the inner wall of the first channel (11), and the spring (5) is connected with the limiting plate (13).
  4. 4. The sodium silicate kiln capable of preventing overpressure according to claim 3, wherein a push rod (15) is arranged on one side, facing the adjusting plate (10), of the limiting plate (13), a trigger switch (16) is arranged on the adjusting plate (10) in alignment with the push rod (15), and a buzzer (17) electrically connected with the trigger switch (16) is arranged on the outer side of the kiln body (1).
  5. 5. The overpressure-preventing sodium silicate kiln as set forth in claim 3, wherein one end of the screw rod (9) outside the pressure relief pipe (3) is connected with a knob board (18).
  6. 6. The overpressure-preventing sodium silicate kiln as set forth in claim 3, wherein the outer wall of the limiting plate (13) is in sliding fit with the inner wall of the second channel (12) through a high-temperature-resistant sealing ring (19).
  7. 7. The sodium silicate kiln capable of preventing overpressure according to claim 3, wherein one end, far away from the limiting plate (13), of the sealing column (14) is connected with a sealing sheet (20), the edge of the sealing sheet (20) is in sliding fit with the inner wall of the first channel (11), a plurality of sliding strips (21) are arranged around the outer wall of the sealing column (14) along the length direction of the sealing column (14), and the sliding strips (21) are in sliding fit with the inner wall of the first channel (11).
  8. 8. The overpressure-preventing sodium silicate kiln as set forth in claim 1, wherein the exhaust hole (7) is connected with a pressure relief exhaust pipe (22).

Description

Prevent sodium silicate kiln of excessive pressure Technical Field The utility model relates to the technical field of sodium silicate kilns, in particular to an overpressure-preventing sodium silicate kiln. Background Sodium silicate, commonly known as sodium silicate, is a water-soluble silicate, has the advantages of strong binding power, high strength, good acid resistance and heat resistance, and the like, and is widely applied to various fields such as analytical reagents, fireproof agents, adhesives and the like. In industrial production, sodium silicate is mainly calcined in a kiln at a high temperature of 1300-1400 ℃ by silica sand and sodium carbonate, liquid sodium silicate is produced firstly, then flows out from a kiln discharge port, is formed into particles through briquetting or water quenching, and finally is dissolved by high-temperature high-pressure water to prepare a water glass product. In the process of sintering sodium silicate, in order to avoid external air entering the kiln, the interior of the kiln generally maintains micro-positive pressure to avoid the external air entering, but the existing sodium silicate kiln faces the problem of overpressure in the operation process. On the one hand, a large amount of gas is generated in the combustion process of the fuel in the kiln, and if the gas is not smoothly discharged, the pressure in the kiln is gradually increased. On the other hand, when the feeding speed of the kiln is too high or the materials are blocked in the kiln, the pressure in the kiln can be increased sharply. The overpressure condition presents a great safety hazard for sodium silicate kilns. The sealing structure of the kiln can be damaged due to the excessively high pressure, so that the personal safety of operators is threatened, and serious safety accidents such as fire disaster and the like can be caused. In addition, the normal operation of the kiln can be influenced by the overpressure, so that the temperature fluctuation in the kiln is too large, and the quality of sodium silicate products is influenced. Disclosure of utility model The utility model aims to provide an overpressure-preventing sodium silicate kiln, which solves the problems that in the prior art, the overpressure in the kiln is caused by unsmooth discharge of kiln gas, so that the temperature fluctuation in the kiln is too large, and the quality of sodium silicate products is affected. In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a prevent sodium silicate kiln of excessive pressure, includes the kiln body, is provided with the heating chamber in the kiln body, and the top of kiln body is provided with the main exhaust pipe that is linked together with the heating chamber, and the top of kiln body still is provided with the decompression pipe that is linked together with the heating chamber, and the one end that the heating chamber was kept away from to the decompression pipe is sealed through the cap, installs the spring in the decompression pipe, and the one end and the cap of spring link to each other, and the other end is connected with the piston, and the lateral wall of decompression pipe is provided with a plurality of exhaust holes along the direction of movement interval of piston. Further technical scheme is, be provided with the screw hole that is linked together in with the pressure release pipe on the cap, threaded hole internal thread matching is connected with the screw rod, and the one end of screw rod pierces into the pressure release intraductal to be connected with the regulating plate, the one end that the piston was kept away from to the spring is fixed continuous with the regulating plate. According to the further technical scheme, a first channel and a second channel which are mutually communicated are sequentially arranged in the exhaust pipe along the length direction, the first channel is communicated with the heating cavity, the diameter of the second channel is larger than that of the first channel, the exhaust holes are communicated with the first channel, the piston comprises a limiting plate and a sealing post, the limiting plate is arranged in the second channel, the diameter of the limiting plate is smaller than that of the second channel and larger than that of the first channel, the outer wall of the sealing post is in sliding fit with the inner wall of the first channel, and the spring is connected with the limiting plate. According to a further technical scheme, a push rod is arranged on one side, facing the adjusting plate, of the limiting plate, a trigger switch is arranged at the position, aligned to the push rod, of the adjusting plate, and a buzzer electrically connected with the trigger switch is arranged on the outer side of the kiln body. The further technical scheme is that one end of the screw rod arranged outside the pressure relief pipe is connected with a knob plate. S