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CN-121972121-A - Reaction kettle for producing sodium silicate

CN121972121ACN 121972121 ACN121972121 ACN 121972121ACN-121972121-A

Abstract

The application relates to the field of chemical equipment, and in particular discloses a reaction kettle for producing water glass, which comprises the following components: the reaction kettle for producing water glass of chemical equipment has the beneficial effects that the reaction kettle for producing water glass of chemical equipment is provided. The application has the beneficial effects that the reaction kettle for water glass production is provided, the accurate control of reaction temperature and the efficient utilization of heat energy are realized through integrating the coil heat exchange and waste heat recovery system, the spiral coil is closely attached to the outer wall of the reaction box, the heat exchange area is greatly increased, the heat exchange medium flow can be adjusted in real time by being matched with the temperature and pressure sensor signal feedback to the controller, the uniform and stable temperature in the kettle is ensured, the consistency of the polymerization degree of the water glass is favorably controlled, and meanwhile, the steam waste heat generated in the treatment box is introduced into the waste heat recovery block through the heat conduction pipe, and is led into the coil for recycling after heat exchange through the serpentine flow passage, so that the energy is saved and the consumption is reduced.

Inventors

  • SONG JIAGUO
  • ZHANG ZHIYUAN
  • ZHANG ANYUAN

Assignees

  • 杭州富阳永源科技有限公司

Dates

Publication Date
20260505
Application Date
20260202

Claims (9)

  1. 1. The reaction kettle for producing the water glass is characterized by comprising a machine body (1), wherein a support column (2) is fixedly arranged at the bottom of the machine body (1), and an adjusting mechanism (3) is arranged in the machine body (1); The regulating mechanism (3) comprises a treatment box (301), the treatment box (301) is fixedly arranged in the machine body (1), an output shaft (302) is movably arranged at the inner bottom of the treatment box (301), a high-speed stirring blade (303) is fixedly arranged at the outer side of the output shaft (302), a pressure release block (304) is fixedly arranged at the top of the treatment box (301), a sieve plate (305) is fixedly arranged in the pressure release block (304), a guide pipe (306) is fixedly arranged at the top of the treatment box (301), a waste heat recovery block (307) is fixedly arranged at the top of the treatment box (301), a reaction box (308) arranged below the treatment box (301) is fixedly arranged in the machine body (1), a guide pipe (309) penetrating through the inside of the treatment box (301) is fixedly arranged at the inner top of the reaction box (308), a valve (310) is fixedly arranged at the outer side of the guide pipe (309), a temperature sensor (311) is fixedly arranged at the inner top of the reaction box (308), a rotating shaft (313) is fixedly arranged at the inner side of the reaction box (308), a rotating shaft (313) is fixedly arranged at the bottom of the reaction box (312), the utility model discloses a motor vehicle chassis structure, including rotation axis (313), chassis paddle (316), connecting block (318), connecting pipe (325) and connecting pipe (325), rotation axis (313) outside fixed mounting has chassis paddle (316) with chassis (315) looks adaptation, the bottom fixed mounting of chassis paddle (316) has brush (317), the bottom fixed mounting of chassis (315) has connecting block (318), the inside fixed mounting of connecting block (318) has valve plate (320), the bottom fixed mounting of connecting block (318) has screw thread piece (321), the inboard movable mounting of screw thread piece (321) has row material pipe (322), the interior top fixed mounting of reaction box (308) has pressure sensor (323), the inside fixed mounting of organism (1) has coil pipe (324) that are located the reaction box (308) outside, the top fixed mounting of coil pipe (324) has connecting pipe (325).
  2. 2. The reaction kettle for producing water glass according to claim 1, wherein a discharge hole is formed in the bottom of the connecting block (318), the rotating shaft (313) is connected with the output shaft (302) through a coupling, the rotating shaft and the output shaft are driven by the same driving motor, and polytetrafluoroethylene anti-corrosion layers are coated on the surfaces of the rotating shaft (313) and the output shaft (302).
  3. 3. The reaction kettle for producing water glass according to claim 2, wherein the high-speed stirring blades (303) are of a multi-layer inclined blade structure, and blades of adjacent layers are inclined in opposite directions.
  4. 4. The reaction kettle for producing water glass according to claim 1, wherein the tail end of the wall scraping blade (314) is provided with an elastic scraping plate, and the elastic scraping plate is contacted with the inner wall of the reaction box (308).
  5. 5. The reaction kettle for producing water glass according to claim 4, wherein the base plate (315) is of a conical structure protruding downwards, the surface of the base plate is provided with a release coating, and the hairbrush (317) is attached to the conical surface of the base plate (315).
  6. 6. A reaction kettle for producing water glass according to claim 1, wherein a serpentine heat exchange flow passage is arranged in the waste heat recovery block (307), an inlet of the heat exchange flow passage is communicated with the top of the treatment box (301), and an outlet of the heat exchange flow passage is communicated with the top of the coil pipe (324).
  7. 7. The reaction kettle for producing water glass according to claim 6, wherein the temperature sensor (311), the pressure sensor (323) and the mass detector (319) are all electrically connected with the controller, and the valve (310) is an electric control valve and is electrically connected with the controller.
  8. 8. The reaction kettle for producing water glass according to claim 1, wherein the coil pipe (324) is spirally and tightly wound on the outer wall of the reaction box (308).
  9. 9. The reaction kettle for producing water glass according to claim 1, wherein the treatment box (301) and the reaction box (308) are arranged coaxially up and down, and the material guiding pipe (309) is arranged along the vertical direction.

Description

Reaction kettle for producing sodium silicate Technical Field The application relates to the field of chemical equipment, in particular to a reaction kettle for producing water glass. Background The vertical reaction kettle commonly used in water glass production adopts a traditional paddle stirring structure, a solid-liquid mixed system of silica sand and caustic soda solution is easy to be layered in the kettle, solid raw materials at the bottom and the wall of the kettle are difficult to be sufficiently stirred, raw material reaction is easy to be insufficient, the yield of water glass products is reduced, the fluctuation of the modulus of the products is large due to the difference of local reaction degrees, the quality stability is influenced, meanwhile, the reaction temperature of the normal pressure reaction kettle is limited by the boiling point of the solution, the reaction rate is low, the period is long, the production efficiency is low, in addition, the inside of the kettle is not provided with a specific solid-liquid separation structure, unreacted silica sand residues are easy to be mixed into a finished product, the transparency of the water glass is reduced, and the use requirements of high-end application scenes cannot be met. The high-pressure reaction kettle is core equipment for producing high-modulus water glass, the kettle body and the kettle cover of the existing equipment are of flange type sealing structures, under the reaction working condition of high temperature and high pressure for a long time, the sealing gasket is easy to age and deform, and then the problems of liquid leakage and air leakage occur, so that the production continuity is affected, certain potential safety hazards exist, the heat exchange of the high-pressure reaction kettle is dependent on the structure of the kettle outer jacket, the heat exchange area is limited, the temperature distribution of materials in the kettle is uneven, the reaction technological parameters are difficult to accurately control, the polymerization degree of the water glass is inconsistent easily caused, in addition, the discharge port is free of scaling design, viscous water glass materials are easy to adhere to and scale at the discharge port, the discharge channel is frequently blocked, the cleaning difficulty is high, and the continuous operation efficiency of the equipment can be greatly reduced by shutdown cleaning. However, in the process of implementing the above technical solution, the present inventors have found that at least the following technical problems exist in the above technology: The kettle body and the kettle cover of the existing equipment are of flange type sealing structures, under the reaction working condition of high temperature and high pressure for a long time, the sealing gasket is easy to age and deform, and then the problems of liquid leakage and air leakage occur, so that the production continuity is affected, certain potential safety hazards exist, the heat exchange of the kettle body and the kettle cover is dependent on the structure of the kettle outer jacket, the heat exchange area is limited, the temperature distribution of materials in the kettle is uneven, the reaction technological parameters are difficult to accurately control, the polymerization degree of water glass is inconsistent easily caused, in addition, the discharge port is free from scaling, the viscous water glass materials are easy to adhere to and scale at the discharge port, the discharge channel is frequently blocked, the cleaning difficulty is large, the problem of continuous operation efficiency of the equipment can be greatly reduced by shutdown cleaning is solved, and anti-sticking and anti-blocking and accurate controllability are realized. Disclosure of Invention The application provides the reaction kettle for producing the water glass, which solves the problems that the high-pressure reaction kettle is core equipment for producing the water glass with high modulus in the prior art, the kettle body and the kettle cover of the prior equipment are mostly in flange type sealing structures, and the sealing gasket is easy to age and deform under the reaction working condition of high temperature and high pressure for a long time, so that the problems of liquid leakage and air leakage occur, the production continuity is influenced, certain potential safety hazards exist, the heat exchange is dependent on a jacket structure outside the kettle, the heat exchange area is limited, the temperature distribution of materials in the kettle is uneven, the reaction technological parameters are difficult to accurately control, the polymerization degree of the water glass is inconsistent easily caused, in addition, the discharge port has no anti-scaling design, the viscous water glass materials are easy to adhere to the scale at the discharge port, the discharge channel is frequently blocked, the cleaning difficulty is high, and the continuo