阅读说明：本技术 一种对内部结晶后颗粒直接输出的磷酸二氢铝的结晶反应釜 (Crystallization reaction kettle for aluminum dihydrogen phosphate directly outputting internally crystallized particles ) 是由 李慈祥 卢文文 吴晓琼 鲍铭昱 于 2020-12-09 设计创作，主要内容包括：本发明公开了一种对内部结晶后颗粒直接输出的磷酸二氢铝的结晶反应釜,涉及结晶反应釜技术领域,包括釜体,所述釜体的下周部成形为漏斗状且转动连接于底托座上,且底托座的上表面两侧通过对称的支撑杆连接有顶板,釜体中还设有搅拌机构,搅拌轴的底端固定连接有转座,转座的下表面成型为与釜体内底面相匹配的锥面形状,且转座的下表面开设有多个以转座圆心呈放射状均布的条形凹槽,每个条形凹槽中均通过转轴转动连接有轴辊,轴辊探出转座的下表面并与釜体内底面滚动接触。本发明通过轴辊将小块状结晶碾碎成颗粒状并通过下料管输出,从而能够直接得到磷酸二氢铝的结晶颗粒,极大程度的提高了整个生产流程的效率。(The invention discloses a crystallization reaction kettle for aluminum dihydrogen phosphate, which directly outputs internally crystallized particles and relates to the technical field of crystallization reaction kettles. The invention crushes the small blocky crystals into particles through the shaft roller and outputs the particles through the discharging pipe, thereby directly obtaining the crystal particles of the aluminum dihydrogen phosphate and greatly improving the efficiency of the whole production flow.)

1. The utility model provides a crystallization reation kettle to aluminium dihydrogen phosphate of granule direct output behind internal crystallization, includes the cauldron body (1), the cauldron wall of the cauldron body (1) can heat up and cool down the cauldron body (1) inner chamber, is equipped with feeding pipe (12) and feed liquor pipe (26) respectively on the both sides wall of the cauldron body (1), and is equipped with unloading pipe (18) at the interior bottom of the cauldron body (1), its characterized in that, the lower week portion of the cauldron body (1) takes shape to leak hopper-shaped and rotate and connect in bottom bracket seat (4), and bottom bracket seat (4) upper surface both sides through symmetrical bracing piece (5) fixedly connected with roof (6), still be provided with the rabbling mechanism in the cauldron body (1), the rabbling mechanism includes (8) that can be rotatory on the axis in the cauldron body (1), stirring shaft (8) top-down fixed mounting has a plurality of equipartition stirring spare that sets up, two sides of the stirring shaft (8) are fixedly connected with one side of the mounting rod (14) through connecting rods, the other side of the mounting rod (14) is rotatably connected with a scraping blade (31) through a rotating shaft, the opposite surfaces of the scraping blade (31) and the mounting rod (14) are connected through a plurality of uniformly distributed compression springs (32), and when the compression springs (32) are in a compressed state, the scraping blade (31) is obliquely abutted against the inner peripheral wall of the kettle body (1);

the bottom fixedly connected with swivel mount (16) of (mixing) shaft (8), the lower surface integrated into one piece of swivel mount (16) be with cauldron body (1) interior bottom surface assorted conical surface form, and the lower surface of swivel mount (16) is seted up a plurality of bar grooves that are radial equipartition with swivel mount (16) centre of a circle, and all is connected with beam barrel (15) through the pivot rotation in every bar groove, beam barrel (15) lean out the lower surface of swivel mount (16) and with cauldron body (1) interior bottom surface rolling contact.

2. The crystallization reactor of aluminum dihydrogen phosphate for directly outputting internally crystallized particles as claimed in claim 1, wherein said stirring member comprises a rotating plate (25) fixedly attached to the stirring shaft (8), and a plurality of stirring rods (24) are fixedly connected to one side surface of the rotating plate (25) and are equidistantly arranged.

3. The crystallization reactor of aluminum dihydrogen phosphate for directly outputting granules after internal crystallization according to claim 1, it is characterized in that the top of the blanking pipe (19) is fixedly communicated with the blanking pipe (19), the top of the blanking pipe (19) is fixedly communicated with an opening on the inner bottom surface of the kettle body (1), and the tops of the two inner sides of the blanking pipe (19) are fixedly connected with symmetrically arranged positioning seats (36), and one side surfaces of the two positioning seats (36) facing the middle part of the blanking pipe (19) are provided with grooves for fixedly connecting a vertical sliding shaft (37), and the sliding shaft (37) penetrates through and is connected in a sliding hole fixedly arranged at the corresponding side part of the sieve plate (17) in a sliding way, springs (38) are abutted between the lower surface of the sieve plate (17) and the inner bottom surface of the positioning seat (36) and are arranged on the corresponding sliding shafts (37) in series, and a vibrating motor (35) is fixedly arranged in the middle of the bottom surface of the sieve plate (17).

4. The crystallization reaction kettle of aluminum dihydrogen phosphate for directly outputting internally crystallized particles according to claim 1, wherein the top of the stirring shaft (8) penetrates through the openings at the upper part of the kettle body (1) and the middle part of the top plate (6) and is connected to the output shaft of the stirring motor (7) through a coupling, and the stirring motor (7) is fixedly installed on the upper surface of the top plate (6).

5. The crystallization reactor of aluminum dihydrogen phosphate for directly outputting granules after internal crystallization according to claim 1, it is characterized in that the middle part of the top surface of the kettle body (1) is fixedly connected with a hollow rotary drum (33) with two open ends, a stirring shaft (8) penetrates through the central axis of the rotary drum (33), and the stirring shaft (8) is rotatably arranged on the inner peripheral surface of the rotary drum (33) along a bearing, so that the stirring shaft (8) and the rotary drum (33) are in a rotating state in the opposite rotating direction, a driven belt wheel (34) is fixedly sleeved on the periphery of the rotary drum (33), the driven belt wheel (34) is connected with a driving belt wheel (11) through belt transmission, the driving belt wheel (11) is connected with an output shaft of a rotating motor (10) through a rotating shaft and a coupling, and the output shaft of the rotating motor (10) is vertically downward and fixedly connected to the edge of the top plate (6) through a mounting seat.

6. The crystallization reaction kettle of aluminum dihydrogen phosphate for directly outputting internally crystallized particles as claimed in claim 1, wherein a hollow interlayer (2) for injecting cooling liquid is integrally formed on the kettle wall of the kettle body (1), a refrigerant inlet pipe (13) and a refrigerant outlet pipe (20) are respectively and fixedly communicated with one side of the top and one side of the bottom of the hollow interlayer (2), and an electric heating wire (3) is fixedly installed on one side of the hollow interlayer (2) close to the inside.

7. The crystallization reactor of aluminum dihydrogen phosphate for directly outputting internally crystallized particles, according to claim 1, characterized in that, the middle of the bottom holder (4) is provided with an opening for the bottom of the reactor body (1) to pass through, the upper surface of the bottom holder (4) is circumferentially and fixedly connected with an annular holder (21), the annular holder (21) is provided with an annular track for the steel ball (22) to roll, and the steel ball (22) is roll-embedded in the ball groove at the lower part of the steel ball mounting block (23).

8. The crystallization reaction kettle of aluminum dihydrogen phosphate for directly outputting granules after internal crystallization according to any one of claims 1-7, characterized in that, the inner upper part of the kettle body (1) is further provided with a heat discharging component for discharging heat in the kettle body (1) before the crystallization step.

9. The crystallization reaction kettle of aluminum dihydrogen phosphate of granule direct output after internal crystallization of claim 8, characterized in that, heat extraction subassembly includes backup pad (30) of upper portion fixed connection in the kettle body (1), (mixing) shaft (8) that supply the bearing to rotate the connection are seted up in backup pad (30) middle part, and the both sides face fixedly connected with semiconductor refrigeration piece (28) of backup pad (30), the refrigeration end of semiconductor refrigeration piece (28) is through heat conduction glue fixedly connected with heat absorption support (27), heat absorption support (27) are in the interior top of kettle body (1), and still fixed mounting has radiator fan (29) in kettle body (1) top surface both sides, seted up a plurality of induced air holes at the upper portion inner wall of kettle body (1) simultaneously.

10. The crystallization reactor of aluminum dihydrogen phosphate for directly outputting internally crystallized particles, according to claim 8, wherein said kettle body (1) is further provided with a plurality of uniformly distributed heat dissipation holes on both sides of the top surface, and said heat dissipation holes are fixedly connected with a layer of dust screen (9).

Technical Field

The invention relates to the technical field of crystallization reaction kettles, in particular to an aluminum dihydrogen phosphate crystallization reaction kettle for directly outputting internally crystallized particles.

Background

Aluminum dihydrogen phosphate (Al (H2PO4)3) has wide application in industrial production, has the advantages of high temperature resistance, peeling resistance, vibration resistance and the like, has excellent ultraviolet absorption capacity, insulating property, infrared absorption property, electric insulating property, flame retardant property and the like, and can be used as a binder of refractory materials and ceramic materials, a reinforcing agent of the ceramic materials, an intumescent flame retardant coating of fibers, wood, paper and the like, a heat-resistant insulating product and the like. The aluminum dihydrogen phosphate is usually present in liquid or powder form.

The crystallization reaction kettle is directly utilized to output crystal particles, subsequent processes such as filtering, washing, drying and the like can be facilitated, and therefore preconditions are provided for preparing high-purity aluminum dihydrogen phosphate powder with excellent water solubility, however, the existing crystallization reaction kettle for preparing the aluminum dihydrogen phosphate crystals is not strong in pertinence, the generated small crystals cannot become particles in the kettle body to be output, and the production efficiency of the whole preparation process is undoubtedly influenced.

Disclosure of Invention

The invention aims to provide a crystallization reaction kettle for aluminum dihydrogen phosphate, which directly outputs internally crystallized particles, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a crystallization reaction kettle for aluminum dihydrogen phosphate directly outputting internally crystallized particles comprises a kettle body, wherein the kettle wall of the kettle body can heat and cool an inner cavity of the kettle body, a feeding pipe and a liquid inlet pipe are respectively arranged on the upper edges of the two side walls of the kettle body, a discharging pipe is arranged at the inner bottom of the kettle body, the lower peripheral part of the kettle body is funnel-shaped and is rotatably connected to a bottom bracket seat, the two sides of the upper surface of the bottom bracket seat are fixedly connected with a top plate through symmetrical support rods, a stirring mechanism is also arranged in the kettle body and comprises a stirring shaft capable of rotating on a central axis in the kettle body, a plurality of uniformly distributed stirring pieces are fixedly arranged on the stirring shaft from top to bottom, the two sides of the stirring shaft are fixedly connected with one side of an installation rod through connecting rods, the other side of the installation rod is rotatably connected with scraping pieces through rotating shafts, and the scraping pieces are connected with the opposite surfaces of the installation rod through a, when the pressure spring is in a compressed state, the scraping blade is obliquely abutted against the inner peripheral wall of the kettle body;

the bottom fixedly connected with swivel mount of (mixing) shaft, the lower surface integrated into one piece of swivel mount be with cauldron internal bottom surface assorted conical surface form, and the swivel mount lower surface set up a plurality of bar grooves that are radial equipartition with the swivel mount centre of a circle, and all rotate through the pivot in every bar groove and be connected with the beam barrel, the beam barrel lean out the swivel mount lower surface and with cauldron internal bottom surface rolling contact.

As a further scheme of the invention: the stirring piece comprises a rotating plate fixedly sleeved on the stirring shaft, and a plurality of stirring rods arranged at equal intervals are fixedly connected to the surface of one side of the rotating plate.

As a further scheme of the invention: the fixed intercommunication in top of blanking pipe has the blanking pipe, the fixed intercommunication in the trompil of cauldron internal bottom surface in top of blanking pipe, and the positioning seat that the interior both sides top fixedly connected with symmetry of blanking pipe set up, and two positioning seats offer the recess that supplies vertical slide fixed connection towards the side at blanking pipe middle part, and slide run through sliding connection in the fixed slide opening of seting up of sieve correspondence lateral part, and conflict between the bottom surface in sieve lower surface and the positioning seat has the spring and cluster to establish on the slide opening that corresponds, and bottom surface middle part fixed mounting at the sieve has vibrating motor.

As a further scheme of the invention: the top of the stirring shaft penetrates through the upper part of the kettle body and the opening in the middle of the top plate and is connected to an output shaft of the stirring motor through a coupler, and the stirring motor is fixedly installed on the upper surface of the top plate.

As a further scheme of the invention: the top surface middle part fixedly connected with both ends of the cauldron body are open-ended hollow rotary drum, run through on the axis of rotary drum and be provided with the (mixing) shaft, and rotate the installation (mixing) shaft along passing through the bearing on the inner peripheral surface of rotary drum, thereby make the (mixing) shaft carry out rotation state opposite in direction of rotation with the rotary drum, and at the peripheral part of rotary drum still fixed cover be equipped with from the driving pulley, and from the driving pulley is connected with driving pulley through belt drive, driving pulley passes through the output shaft that pivot and coupling joint rotated the motor, and the output shaft that rotates the motor is vertical down and through mount pad fixed connection at.

As a further scheme of the invention: the kettle wall integrated into one piece of the cauldron body has the cavity intermediate layer that is used for pouring into the coolant liquid into, and cavity intermediate layer's top and bottom one side are fixed the intercommunication respectively have the refrigerant to advance the pipe and go out the pipe with the refrigerant, and the one side fixed mounting that leans on in the cavity intermediate layer has electric heating wire.

As a further scheme of the invention: the middle part of the bottom bracket seat is provided with a hole for the bottom of the kettle body to penetrate through, the circumferential direction of the upper surface of the bottom bracket seat is fixedly connected with an annular seat, an annular track for the rolling connection of the steel ball is arranged on the annular seat, and the steel ball is embedded in a ball groove at the lower part of the steel ball mounting block in a rolling manner.

As a further scheme of the invention: and the inner upper part of the kettle body is also provided with a heat discharge assembly for discharging heat in the kettle body before the crystallization step.

As a further scheme of the invention: the heat extraction subassembly includes the internal upper portion fixed connection's of cauldron backup pad, and the backup pad middle part is seted up and is supplied the bearing to rotate the (mixing) shaft of connecting, and the both sides face fixedly connected with semiconductor refrigeration piece of backup pad, and the refrigeration end of semiconductor refrigeration piece is through heat conduction glue fixedly connected with heat absorption support, and the heat absorption support is in the internal top of cauldron, and just still fixed mounting has radiator fan in the internal top surface both sides of cauldron, has seted up a plurality of induced air holes at the upper portion inner wall of the cauldron body simultaneously.

As a further scheme of the invention: still set up the louvre that a plurality of equipartitions set up on cauldron body top surface both sides, and fixedly connected with one deck dust screen on the louvre.

Compared with the prior art, the invention has the beneficial effects that:

before crystallization, in order to quickly reduce the temperature in the kettle body, the semiconductor refrigeration sheets are started, the heat absorption support is used for continuously absorbing the heat rising in the kettle body, the low temperature of the heat absorption support is kept through the semiconductor refrigeration sheets, so that the semiconductor refrigeration sheets absorb a large amount of heat, then the convection of the air inside and outside the kettle body is realized by the cooling fan, and the hot air at the heating end of the semiconductor refrigeration sheets is discharged, so that the aim of quickly reducing the temperature of the kettle body is fulfilled by matching with the cooling liquid in the hollow interlayer; in the crystallization, start rabbling mechanism and stir the crystallization and smash into the chunky to scrape off the crystallization of the adhesion on the internal perisporium of cauldron, pulverize chunky crystallization into graininess and export through the unloading pipe through the beam barrel, thereby can directly obtain the crystal particle of aluminium dihydrogen phosphate, very big degree the improvement whole production flow's efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the mandrel of the present invention;

FIG. 3 is a schematic view of the mounting of the wiper blade of the present invention;

figure 4 is a schematic view of the installation of a screen panel according to the invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1;

FIG. 6 is a schematic view of the structure of the stirring member of the present invention.

In the figure: 1. a kettle body; 2. a hollow interlayer; 3. an electric heating wire; 4. a bottom bracket base; 5. a support bar; 6. a top plate; 7. a stirring motor; 8. a stirring shaft; 9. a dust screen; 10. rotating the motor; 11. a driving pulley; 12. a feeding pipe; 13. a refrigerant inlet pipe; 14. mounting a rod; 15. a beam barrel; 16. rotating; 17. a sieve plate; 18. a discharging pipe; 19. a blanking pipe; 20. a refrigerant outlet pipe; 21. an annular seat; 22. a steel ball; 23. a steel ball mounting block; 24. a stirring rod; 25. a rotating plate; 26. a liquid inlet pipe; 27. a heat absorbing support; 28. a semiconductor refrigeration sheet; 29. a heat radiation fan; 30. a support plate; 31. scraping a blade; 32. a pressure spring; 33. a rotating drum; 34. a driven pulley; 35. a vibration motor; 36. positioning seats; 37. a slide shaft; 38. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a crystallization reaction kettle for aluminum dihydrogen phosphate, which directly outputs internally crystallized particles, includes a kettle body 1, a kettle wall of the kettle body 1 is capable of heating and cooling an inner cavity of the kettle body 1, a feeding pipe 12 and a liquid inlet pipe 26 are respectively disposed on upper edges of two side walls of the kettle body 1, a discharging pipe 18 is disposed at an inner bottom of the kettle body 1, a lower peripheral portion of the kettle body 1 is formed into a funnel shape and is rotatably connected to a bottom bracket 4, top plates 6 are fixedly connected to two sides of an upper surface of the bottom bracket 4 through symmetrical support rods 5, a stirring mechanism is further disposed in the kettle body 1, the stirring mechanism includes a stirring shaft 8 capable of rotating on an inner central axis of the kettle body 1, the stirring shaft 8 is fixedly disposed with a plurality of uniformly distributed stirring members from top to bottom, and two sides of the stirring shaft 8 are fixedly connected to one side of an installation rod 14 through, the other side of the installation rod 14 is rotatably connected with a scraping blade 31 through a rotating shaft, the scraping blade 31 is connected with the opposite surface of the installation rod 14 through a plurality of uniformly distributed compression springs 32, and when the compression springs 32 are in a compressed state, the scraping blade 31 is obliquely abutted against the inner peripheral wall of the kettle body 1, so that the scraping blade 31 can be always kept in reasonable contact with the inner peripheral wall of the kettle body 1 through the compression springs 32, the crystallized materials on the inner peripheral wall of the kettle body 1 are shoveled, and the scraping blade 31 is in non-rigid connection, so that the abrasion condition of the scraping blade 31 is reduced, and the service life of the scraping blade 31 is prolonged;

the bottom fixedly connected with swivel mount 16 of (mixing) shaft 8, swivel mount 16's lower surface integrated into one piece be with cauldron body 1 in the bottom surface assorted conical surface form, and swivel mount 16's lower surface has been seted up a plurality ofly and has been the bar recess of radial equipartition with the 16 centre of a circle of swivel mount, and all be connected with beam barrel 15 through the pivot rotation in every bar recess, beam barrel 15 probes out swivel mount 16's lower surface and with cauldron body 1 in the bottom surface rolling contact, its aim at, after material cooling crystallization, start the rabbling mechanism and stir the crystallization and smash into the chunky, and scrape the crystallization of the adhesion on the internal perisporium of cauldron body 1, pulverize chunky crystallization into graininess and through unloading 18 output through beam barrel 15, thereby can directly obtain the crystal particle of aluminium dihydrogen phosphate, the improvement of very big degree the efficiency of whole production flow.

The stirring piece includes fixed suit at the epaxial rotor plate 25 of (mixing) shaft 8, and rotor plate 25 one side fixed surface is connected with the stirring rod 24 that a plurality of equidistance were arranged, drives stirring rod 24 through rotor plate 25 and rotates to can improve the stirring area of reactant, reduce the stirring dead angle, be favorable to accelerating the reaction efficiency of material.

The top of the blanking pipe 19 is fixedly communicated with the blanking pipe 19, the top of the blanking pipe 19 is fixedly communicated with an opening on the inner bottom surface of the kettle body 1, positioning seats 36 which are symmetrically arranged are fixedly connected with the tops of the two inner sides of the blanking pipe 19, a groove for fixedly connecting a vertical sliding shaft 37 is formed in one side surface of each positioning seat 36 facing the middle of the blanking pipe 19, the sliding shaft 37 penetrates through and is connected with a sliding hole fixedly formed in the corresponding side part of the sieve plate 17 in a sliding manner, springs 38 are abutted between the lower surface of the sieve plate 17 and the inner bottom surface of the positioning seats 36 and are connected in series on the corresponding sliding shaft 37, a vibrating motor 35 is fixedly installed in the middle of the bottom surface of the sieve plate 17, the vibrating motor 35 vibrates the sieve plate 17, the springs 38 on the two sides of the sieve plate 17 play a compensation effect, so that crystal particles with the same size can leak down through the sieve plate 17, and the sieve plate 17 is in continuous, guaranteeing smooth material conveying.

The top of the stirring shaft 8 penetrates through the upper part of the kettle body 1 and the opening in the middle of the top plate 6 and is connected to an output shaft of the stirring motor 7 through a coupler, and the stirring motor 7 is fixedly installed on the upper surface of the top plate 6.

A hollow rotary drum 33 with two open ends is fixedly connected to the middle of the top surface of the kettle body 1, a stirring shaft 8 penetrates through the central axis of the rotary drum 33, the stirring shaft 8 is rotatably installed on the inner peripheral surface of the rotary drum 33 through a bearing, so that the stirring shaft 8 and the rotary drum 33 rotate in opposite directions, a driven pulley 34 is fixedly sleeved on the outer peripheral portion of the rotary drum 33, the driven pulley 34 is connected with a driving pulley 11 through a belt transmission, the driving pulley 11 is connected with the output shaft of the rotating motor 10 through a rotating shaft and a coupling, the output shaft of the rotating motor 10 faces downwards vertically and is fixedly connected to the edge of the top plate 6 through an installation seat, so that in the mixing reaction stage of materials, the reverse rotation of the output shafts of the stirring motor 7 and the rotating motor 10 is respectively controlled, for example, the whole kettle body 1 rotates clockwise to drive the materials, and the stirring mechanism in the kettle body 1 rotates anticlockwise, so that the materials in the kettle body 1 are subjected to the reverse shearing force of the stirring mechanism, the dissolving efficiency of related catalysts can be accelerated, and the reaction can be rapidly promoted.

Cauldron wall integrated into one piece of the cauldron body 1 has cavity intermediate layer 2 that is used for pouring into the coolant liquid into, and cavity intermediate layer 2's top and bottom one side fixed intercommunication respectively have the refrigerant to advance pipe 13 and refrigerant exit tube 20, and lean on one side fixed mounting in interior at cavity intermediate layer 2 has electric heating wire 3 for temperature when providing the material reaction, through external coolant liquid, realize that the coolant liquid in the cavity intermediate layer 2 realizes the cold cycle, and then can make fast and lower the temperature crystallization to the material in the cauldron body 1.

The middle part of the bottom bracket 4 is provided with a hole for the bottom of the kettle body 1 to penetrate through, the circumferential direction of the upper surface of the bottom bracket 4 is fixedly connected with an annular seat 21, the annular seat 21 is provided with an annular rail for the steel ball 22 to be connected in a rolling manner, and the steel ball 22 is embedded in a ball groove at the lower part of the steel ball mounting block 23 in a rolling manner, so that the kettle body 1 can spin smoothly and quietly.

And the inner upper part of the kettle body 1 is also provided with a heat discharge assembly for discharging heat in the kettle body 1 before the crystallization step.

The heat extraction assembly comprises a support plate 30 fixedly connected with the upper part in the kettle body 1, a stirring shaft 8 for the bearing to be rotatably connected is arranged in the middle of the support plate 30, semiconductor refrigerating sheets 28 are fixedly connected with two side surfaces of the support plate 30, the refrigerating ends of the semiconductor refrigerating sheets 28 are fixedly connected with a heat absorption support 27 through heat-conducting glue, the heat absorption support 27 is positioned at the inner top of the kettle body 1, radiating fans 29 are fixedly arranged on two sides of the inner top surface of the kettle body 1, meanwhile, a plurality of air-introducing holes are arranged on the inner wall of the upper part of the kettle body 1, before crystallization, in order to quickly reduce the temperature in the kettle body 1, the semiconductor refrigerating sheets 28 are opened, heat rising from the kettle body 1 is continuously absorbed by the heat absorption support 27, the low temperature of the heat absorption support 27 is kept through the semiconductor refrigerating sheets 28, so that the heat absorption support absorbs a large amount of heat, and then the convection of air inside and outside the kettle body 1, thereby matching with the cooling liquid in the hollow interlayer 2 to achieve the purpose of rapidly cooling the kettle body 1.

A plurality of radiating holes are uniformly distributed on two sides of the top surface of the kettle body 1, and a layer of dust screen 9 is fixedly connected to each radiating hole, so that heat can be discharged, and external dust is prevented from entering the kettle.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.