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CN-122010434-A - Preparation alpha type high-strength gypsum crystal-transformation kettle

CN122010434ACN 122010434 ACN122010434 ACN 122010434ACN-122010434-A

Abstract

The invention provides a crystal transformation kettle for preparing alpha-type high-strength gypsum, which comprises a kettle body supporting frame shell, a liquid adding unit and a stirring unit, wherein the liquid adding unit comprises a liquid adding component and a lifting component, the liquid adding component is used for adding liquid into the kettle body supporting frame shell, the liquid adding component is connected with the output end of the lifting component, and the lifting component is used for adjusting the height of an output part of the liquid adding component. According to the invention, the liquid adding component is used for uniformly adding the reaction liquid into the kettle body supporting frame shell, and the lifting component is used for adjusting the height of the output component of the liquid adding component, so that the reaction liquid is uniformly added into positions with different heights in the crystal transformation kettle, the global uniformity of liquid adding in the crystal transformation kettle is realized, and a good reaction environment is provided for the stable nucleation and growth of alpha-type high-strength gypsum crystals.

Inventors

  • ZHANG JING
  • TANG WEI

Assignees

  • 一夫科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260104

Claims (10)

  1. 1. The preparation alpha-type high-strength gypsum crystal-transformation kettle comprises a kettle body supporting frame shell (1) and is characterized by further comprising a liquid adding unit and a stirring unit, wherein the liquid adding unit comprises a liquid adding component (2) and a lifting component (3), the liquid adding component (2) is used for adding liquid into the kettle body supporting frame shell (1), the liquid adding component (2) is connected with the output end of the lifting component (3), and the lifting component (3) is used for adjusting the height of an output part of the liquid adding component (2); The liquid feeding device comprises a kettle body supporting frame shell (1), a liquid feeding component, a lifting component (3), a liquid processing mechanism and a liquid mixing mechanism, wherein the output component of the liquid feeding component (2) is arranged at the inner cavity of the kettle body supporting frame shell (1) in a sliding mode, the liquid feeding component of the liquid feeding component (2) is arranged at the outer side of the kettle body supporting frame shell (1), the lifting component (3) is arranged at the inner cavity of the mounting frame shell (4), the lifting component (3) is in transmission connection with the liquid processing mechanism, and the liquid processing mechanism is arranged in the liquid feeding component of the liquid feeding component (2) and is used for mixing liquid in the liquid feeding component (2); The stirring unit is arranged at the inner cavity of the kettle body supporting frame shell (1), the upper end of the stirring unit is connected with the output end of the stirring driving device (5), and the stirring driving device (5) drives the stirring unit to rotate.
  2. 2. The crystal-transformation kettle for preparing alpha-type high-strength gypsum according to claim 1, wherein the output part of the liquid adding component (2) comprises an annular liquid adding pipe (21) and a fixed connecting pipe (22), the annular liquid adding pipe (21) is arranged at the inner cavity of the kettle body supporting frame shell (1), the top of the annular liquid adding pipe (21) is connected with the bottom end of the fixed connecting pipe (22), and the surface of the fixed connecting pipe (22) is in sliding penetrating connection with the top surface of the kettle body supporting frame shell (1); the liquid feeding part of liquid feeding subassembly (2) includes liquid storage box (23), liquid storage box (23) top is provided with liquid feeding pump (24), the entrance point and the liquid storage box (23) side of liquid feeding pump (24) are connected, the detachable flexible hose (25) that is connected with of exit end of liquid feeding pump (24), the one end and fixed connection pipe (22) detachable that add liquid pump (24) are kept away from to flexible hose (25).
  3. 3. The alpha-type high-strength gypsum crystal-transformation kettle for preparing the alpha-type high-strength gypsum according to claim 2, wherein a plurality of cleaning scrapers (26) are connected to the outer side of the annular liquid adding pipe (21), and one side, far away from the annular liquid adding pipe (21), of each cleaning scraper (26) is attached to the inner wall of the kettle body supporting frame shell (1).
  4. 4. The crystal-transformation kettle for preparing alpha-type high-strength gypsum according to claim 2, wherein the upper end of the fixed connecting pipe (22) is connected with the output end of the lifting assembly (3), the lifting assembly (3) comprises a lifting threaded shaft (31), the lifting threaded shaft (31) is rotatably arranged on the inner side of the mounting frame shell (4), and one end of the lifting threaded shaft (31) is connected with the output end of the lifting power source (32); The lifting threaded shaft (31) is connected with a driving lifting plate (33) through threads, a lifting connecting column (34) is connected to the top of the driving lifting plate (33), the top end of the lifting connecting column (34) is connected with the bottom of a driven lifting plate (35), and the driven lifting plate (35) is connected with the upper end of a fixed connecting pipe (22).
  5. 5. The crystal-transformation kettle for preparing alpha-high-strength gypsum according to claim 4, wherein the lifting threaded shaft (31), the driving lifting plate (33) and the driven lifting plate (35) are respectively connected with a liquid treatment mechanism in a transmission way, and the liquid treatment mechanism comprises a first stirrer (6); the bottom end of the lifting threaded shaft (31) is in transmission connection with the first stirrer (6), and the lifting threaded shaft (31) rotates to drive the first stirrer (6) to rotate.
  6. 6. The crystal-transformation kettle for preparing alpha-high-strength gypsum according to claim 5, wherein the liquid treatment mechanism further comprises a driving and transmitting component, the driving and transmitting component comprises a transmission component (7) and a second stirrer (8), and the transmission component (7) is used for converting and transmitting the force of linearly moving the lifting threaded shaft (31) and the driving lifting plate (33) to the second stirrer (8) so as to drive the second stirrer (8) to rotate.
  7. 7. The crystal-transformation kettle for preparing alpha-type high-strength gypsum according to claim 6, wherein the transmission assembly (7) comprises a movable rack (71), one side of the movable rack (71) is connected with two connecting bar columns (72), and the two connecting bar columns (72) are respectively connected with one side of a driving lifting plate (33) and one side of a driven lifting plate (35); the novel stirrer is characterized in that a rotary rack (73) is connected to one side of the movable rack (71) in a meshed mode, a first transmission part (74) is connected to one side of the rotary rack (73), a second transmission part (75) is connected to one side of the first transmission part (74), and the second transmission part (75) is connected with the upper end of the second stirrer (8).
  8. 8. The crystal-transformation kettle for preparing alpha-high-strength gypsum according to claim 1, wherein the stirring unit comprises a stirring assembly (9) and a branch transmission assembly (10), the stirring assembly (9) is in transmission connection with the output end of the stirring driving device (5) through the branch transmission assembly (10), and the branch transmission assembly (10) is used for transmitting the rotation force of the stirring driving device (5) to the stirring assembly (9) so that the rotation directions of all parts of the stirring assembly (9) are different.
  9. 9. The crystal transition kettle for preparing alpha-type high-strength gypsum according to claim 8, wherein the branch transmission assembly (10) comprises a mounting shaft (101) and an outer sleeve (102), and the outer sleeve (102) is rotatably sleeved on the surface of the mounting shaft (101); the surface of the mounting shaft (101) is connected with an upper linkage part, the surface of the outer sleeve (102) is connected with a lower linkage part, and one ends of the upper linkage part and the lower linkage part are connected with a linkage shaft (106).
  10. 10. The crystal-transformation kettle for preparing alpha-high-strength gypsum according to claim 9, wherein the stirring assembly (9) comprises a middle rotating shaft (91), the top end of the middle rotating shaft (91) is connected with the bottom end of the installation shaft (101), and the lower end surface of the middle rotating shaft (91) is connected with a plurality of inner stirring frames (93) distributed in an annular array; The outer ring of the inner stirring frame (93) is provided with a plurality of outer stirring frames (94) distributed in an annular array, and the outer stirring frames (94) are respectively connected with the surface of the outer sleeve (102).

Description

Preparation alpha type high-strength gypsum crystal-transformation kettle Technical Field The invention relates to the field of gypsum preparation, in particular to a crystal transformation kettle for preparing alpha-type high-strength gypsum. Background The alpha-type high-strength gypsum is semi-hydrated gypsum formed by dehydration and crystallization of dihydrate gypsum under saturated steam pressure, has regular crystal structure and high density, has higher strength, wear resistance and water resistance, and is widely applied to the fields of precision casting, ceramic molds, medical treatment, high-end building materials and the like. The alpha-type high-strength gypsum is formed by treating dihydrate gypsum by a hydrothermal method in a closed saturated vapor pressure environment, and slowly dehydrating, dissolving and recrystallizing the dihydrate gypsum in liquid water or high-humidity atmosphere. This process encourages the formation of coarse, dense, complete short columnar or prismatic crystals. The alpha-hemihydrate gypsum has a series of outstanding characteristics of low water demand of standard consistency, small porosity of hydration products, compact structure and the like due to complete crystal development, few defects and compact structure. The preparation of alpha-type high-strength gypsum requires a crystallization process, which is generally carried out in a crystal transformation kettle, and the directional transformation of the dihydrate gypsum to alpha-type hemihydrate gypsum is guided. However, the existing crystal transformation kettle has poor uniformity of crystallization environment, rough filling mode of reaction liquid, large local concentration and temperature gradient in the kettle, easy generation of beta-type mixed crystals or over-wide grain size distribution of crystals, influence on the purity and strength stability of products, difficulty in avoiding vortex and dead angle in the existing stirring mode, causing sedimentation and agglomeration of crystals, too fast growth of part of crystals, insufficient growth of the other part of crystals, and influence on the preparation of alpha-type high-strength gypsum. Disclosure of Invention The invention aims to overcome the defects of poor uniformity of crystallization environment and low mixing efficiency in the prior art and provides a crystal transformation kettle for preparing alpha-type high-strength gypsum. The invention solves the technical problems by the following technical scheme: the invention provides a crystal transformation kettle for preparing alpha-type high-strength gypsum, which comprises a kettle body supporting frame shell, a liquid adding unit and a stirring unit, wherein the liquid adding unit comprises a liquid adding component and a lifting component, the liquid adding component is used for adding liquid into the kettle body supporting frame shell, the liquid adding component is connected with the output end of the lifting component, and the lifting component is used for adjusting the height of an output part of the liquid adding component; The liquid feeding device comprises a kettle body supporting frame shell, a liquid feeding component, a lifting component, a liquid processing mechanism and a liquid processing mechanism, wherein the liquid feeding component of the liquid feeding component is arranged at the inner cavity of the kettle body supporting frame shell in a sliding manner, the liquid feeding component of the liquid feeding component is arranged at the outer side of the kettle body supporting frame shell, the lifting component is arranged at the inner cavity of the mounting frame shell, the lifting component is in transmission connection with the liquid processing mechanism, and the liquid processing mechanism is arranged in the liquid feeding component of the liquid feeding component and is used for mixing liquid in the liquid feeding component; the stirring unit is arranged at the inner cavity of the kettle body supporting frame shell, the upper end of the stirring unit is connected with the output end of the stirring driving device, and the stirring driving device drives the stirring unit to rotate. In this technical scheme, evenly add the reaction liquid in to cauldron body braced frame shell through the liquid feeding subassembly, carry out the regulation of height to the output part of liquid feeding subassembly through lifting unit simultaneously for the position of the not co-altitude in the crystal-transition cauldron is evenly added to the reaction liquid, makes the holistic liquid feeding of crystal-transition cauldron more even, in order to the formation of alpha high-strength gypsum crystallization of being convenient for. Preferably, the output part of the liquid adding assembly comprises an annular liquid adding pipe and a fixed connecting pipe, the annular liquid adding pipe is arranged at the inner cavity of the kettle body supporting frame shell, the top of the annular