CN113337883B

CN113337883B - Ceramic production process

Info

Publication number: CN113337883B
Application number: CN202110639614.4A
Authority: CN
Inventors: 刘帅
Original assignee: Shenzhen Kaile Xinlian Culture Technology Co ltd
Current assignee: Shenzhen Kaile Xinlian Culture Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-09-09
Anticipated expiration: 2041-06-09
Also published as: CN113337883A

Abstract

The invention provides a ceramic production process, and belongs to the technical field of biological ceramics. It has solved current czochralski method when carrying out crystal preparation, mostly attaches to the seed crystal at the stem periphery side, through the immersion of stem to the liquation in, realizes the extraction of crystal, nevertheless because stem length is longer, leads to partial seed crystal on the stem to carry out the growth of crystal in can't immersing the liquation, causes the waste of seed crystal, and along with the growth of stem surface crystal, the crystal that attaches to on the stem can't contact with the liquation comprehensively, and then has reduced the growth rate's of crystal problem. The ceramic production process comprises the steps of matching the shell, the four bases, the sleeve, the air vent, the vacuum pump, the feeding hole, the feeding plate, the power mechanism, the heating mechanism and the lifting mechanism to complete corresponding operation. The utilization rate of seed crystals used in the ceramic production process is higher, and the crystallization effect is better.

Description

Ceramic production process

Technical Field

The invention belongs to the technical field of biological ceramics, and relates to a ceramic production process.

Background

The bioceramic is an organism or biochemical related ceramic material, is an inorganic biomedical material, has good compatibility and excellent affinity with biological tissues, has stable physical and chemical properties, is increasingly emphasized, and can be prepared by various modes such as a pulling method, a mold guiding method, a gas phase chemical deposition growth method and the like.

When the existing crystal pulling method is used for preparing crystals, most of seed crystals are attached to the periphery of a crystal bar, the extraction of the crystals is realized by immersing the crystal bar into molten liquid, but because the length of the crystal bar is long, part of the seed crystals on the crystal bar cannot be immersed into the molten liquid to grow the crystals, the waste of the seed crystals is caused, and the crystals attached to the crystal bar cannot be in full contact with the molten liquid along with the growth of the crystals on the surface of the crystal bar, so that the growth rate of the crystals is reduced.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a ceramic production process which has higher utilization rate of used seed crystals and better crystallization effect.

The purpose of the invention can be realized by the following technical scheme: a ceramic production process comprises the following specific process flows:

s1, pretreatment of raw materials: filling the raw materials into a heating mechanism for heating treatment to fully dissolve the raw materials;

s2, adding seed crystals: after the step S1, filling part of seed crystals into a pulling mechanism, and driving the seed crystals to be immersed into the original molten liquid at a constant speed through the pulling mechanism;

s3, crystallization yields: after the step of S2, the lifting mechanism intermittently ascends and descends in the heating mechanism, and meanwhile, the power mechanism controls the lifting mechanism to rotate above the heating mechanism at a constant speed;

s4, crystal storage: after the step S3, namely when the crystal grows to the preset length, stopping the step S3, taking the pulling mechanism out of the heating mechanism, and obtaining the crystal from the pulling mechanism;

the operation in the steps of the production process flow S1-S4 needs to be completed by the cooperation of the shell, the four bases, the sleeve, the vent, the vacuum pump, the feed inlet, the feed plate, the power mechanism, the heating mechanism and the lifting mechanism, wherein:

four bases are installed along the casing circumferencial direction to the casing lower extreme, the casing upper end is equipped with the sleeve, be equipped with heating mechanism inside the casing and between the terminal surface down, the sleeve upper end is equipped with power unit, the sleeve with be equipped with in the casing and carry and draw the mechanism, be located on the sleeve circumference end wall sleeve central line left side is equipped with the blow vent, be located on the sleeve circumference end wall the blow vent below is equipped with the vacuum pump, the casing upper end wall is opened to lead to there is the feed inlet, the feed inlet below be equipped with the feed plate that heating mechanism links to each other.

Preferably, the heating mechanism comprises a motor plate arranged between the front base and the rear base at the central point of the shell, a first motor is arranged on the motor plate, the output end of the first motor is fixedly connected with a first motor shaft, the first motor shaft penetrates through the lower end wall of the shell and extends into the shell, a graphite heating pot is arranged at the top end of the first motor shaft in the shell, a heat insulation plate surrounding the graphite heating pot is arranged in the shell, electrode plates are respectively arranged on the two bases on the left side and the right side of the central point of the shell, each electrode plate is arranged on one side, close to the central line of the shell, of the corresponding base, an electrode is arranged on the electrode plate, a heating plate extending into the shell is arranged on the electrode, the heating plate is arranged between the heat insulation plate and the graphite heating pot, a crucible is arranged in the graphite heating pot, and a heat insulation cavity is formed by the enclosure of the crucible and the graphite heating pot, a poking wheel is arranged in the heat insulation cavity.

Preferably, the power mechanism is in including dismantling the setting the apron of sleeve upper end, the apron upper end is equipped with bellows, the bellows upper end is equipped with the second motor, the second motor output links firmly the second motor shaft, the second motor shaft runs through bellows with the apron, the second motor shaft is located the cover is equipped with the fan on the part in the bellows, be equipped with on the bellows and extend to ventilation pipe in the casing, the ventilation pipe with sliding connection between the graphite heating pot.

Preferably, the lifting mechanism comprises an extension cylinder arranged at the lower end of the second motor shaft of the power mechanism, two pump bodies are arranged on the periphery of the extension cylinder, the lower end of each pump body is connected with a flow guide pipe, an extension rod is connected in the extension cylinder in a sliding way, at least two crystallization components are arranged in the extension rod, a plurality of crystallization components are uniformly distributed in the extension rod along the radial direction of the extension rod, the lower end of the extension rod is sleeved with an annular sleeve, the lower end of the annular sleeve is rotatably connected with two connecting rods, the lower end of each connecting rod is provided with a stirring plate, the crystallization components comprise elastic boxes which are arranged in the extension rods in a sliding manner, the elastic boxes of the crystallization components are connected with the extension rods through pull ropes, the steel ball bearing is characterized in that an H-shaped frame is arranged in the elastic box, the upper end and the lower end of the H-shaped frame are respectively connected with a supporting rod in a sliding mode, and at least two steel balls are arranged in the elastic box.

The working principle is as follows:

before pulling crystallization, raw materials are placed into a crucible along a feeding plate through a feeding hole, a certain amount of seed crystals are uniformly distributed in a plurality of crystallization assemblies, the plurality of crystallization assemblies are filled into an extension rod, a cover plate is arranged above a sleeve after the seed crystals are filled, and the extension rod is positioned in an extension cylinder;

starting a vacuum pump, introducing inert shielding gas along a vent hole, starting a first motor on a motor plate, driving a graphite heating pot to rotate in a shell through the first motor by the first motor, driving a crucible to rotate in the shell when the graphite heating pot rotates, simultaneously starting electrodes on two electrode plates, controlling two heating plates to heat raw materials in the crucible through the two electrodes, and driving the raw materials in the crucible to carry out rotary heating through the graphite heating pot, so that molten liquid in the crucible is fully heated, and the raw materials are conveniently and quickly dissolved in the crucible;

after the raw materials in the crucible are dissolved, the extension rod is controlled to extend outwards of the extension cylinder, so that the guide pipe enters molten liquid in the crucible, a second motor is started to control a second motor shaft to rotate, the extension cylinder and the extension rod are driven to rotate in the sleeve and the shell when the second motor shaft rotates, two stirring plates are driven to rotate in the crucible through an annular sleeve and a connecting rod in the rotation process of the extension rod, raw molten liquid in the crucible is stirred through the two stirring plates, and meanwhile, a pump body is started to suck the molten liquid in the crucible into the extension rod along the guide pipe to be contacted with a plurality of crystallization assemblies;

the raw melt entering the crystallization component contacts with the seed crystals in the elastic box of the crystallization component, the raw melt is adsorbed and crystallized through the seed crystals, so that the crystals grow in the elastic box, due to the elastic design of the elastic box, along with the growth of the crystals in the elastic box, the supporting rod continuously slides towards the outside of the H-shaped frame, so that the elastic box gradually deforms, the volume is increased, a plurality of elastic boxes are mutually extruded, under the action of extrusion force, the elastic boxes are gradually discharged from the extension rod and fall into the crucible, meanwhile, during the extrusion process of the elastic boxes, a plurality of steel balls in the elastic boxes can crush the crystals to a certain degree, the phenomenon that the elastic boxes are clamped in the extension rod and cannot fall off due to overlarge crystal growth is avoided, the elastic boxes entering the crucible fall on the stirring plate, along with the rotation of the stirring plate, the elastic boxes continuously roll on the stirring plate, are fully contacted with the melt for crystallization, and along with the falling of the elastic boxes of the crystallization component, the extension rod is controlled to slide in the extension cylinder in a reciprocating manner to drive the elastic boxes to slide up and down on the liquid level so as to promote the formation and growth of crystals;

the second motor drives the second motor shaft to rotate and simultaneously can drive the fan to rotate in the air box, certain wind is generated when the fan rotates, the wind enters the heat insulation cavity along the ventilation pipe and is discharged from the lower end wall of the shell, the wind entering the heat insulation cavity blows to the poking wheel to drive the poking wheel to rotate, the crucible is controlled to swing in the graphite heating pot in the rotating process of the poking wheel, the mobility of the molten liquid in the crucible is improved through the swinging of the crucible, the molten liquid is enabled to be in better contact with the circumferential inner wall of the crucible, and the heat preservation effect of the original molten liquid in the crucible is guaranteed.

Compared with the prior art, the ceramic production process has the following advantages:

1. because the design of pulling mechanism, get into the former molten liquid in the crystallization subassembly and the seed crystal contact in the elastic box, make the crystal grow in the elastic box, because the elastic design of elastic box, along with the growth of crystal in the elastic box, make the elastic box produce deformation gradually, the volume increase, extrude each other between a plurality of elastic boxes, under the extrusion force effect, in a plurality of elastic boxes discharge from the extension rod gradually and fall into the crucible, a plurality of elastic boxes extrusion in-process simultaneously, a plurality of steel balls in the elastic box can carry out certain breakage to the crystal, it is too big to avoid crystal growth, lead to the elastic box card can't drop in the extension rod.

2. Because the design of carrying the mechanism of drawing, the elastic box that gets into in the crucible drops on the stirring board, along with the rotation of stirring board, the elastic box constantly rolls on the stirring board, carries out abundant contact crystallization with the melt, along with dropping of a plurality of crystallization assembly elastic boxes, and the control extension rod carries out reciprocating sliding in extending the jar, drives a plurality of elastic boxes and slides from top to bottom at the liquid level to promote the formation and the growth of crystal.

3. Due to the design of the heating mechanism, wind generated by the power mechanism enters the heat insulation cavity along the ventilation pipe and is discharged from the lower end wall of the shell, the wind entering the heat insulation cavity blows to the poking wheel to drive the poking wheel to rotate, the crucible is controlled to swing in the graphite heating pot in the rotating process of the poking wheel, the mobility of the molten liquid in the crucible is improved through the swinging of the crucible, the molten liquid is enabled to be in contact with the inner wall of the circumference of the crucible better, and the heat insulation effect of the original molten liquid in the crucible is guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic top view of fig. 1 according to the present invention.

Fig. 3 is a cross-sectional view taken along the line a-a of fig. 2 in accordance with the present invention.

Fig. 4 is a cross-sectional view taken along the line B-B of fig. 2 in accordance with the present invention.

Fig. 5 is an enlarged partial schematic view at C of fig. 3 of the present invention.

Fig. 6 is an enlarged partial view of fig. 4 at D according to the present invention.

In the figure, a shell 100, a base 101, a motor plate 102, a first motor 103, a first motor shaft 104, a graphite heating pot 105, a crucible 106, a heat insulation cavity 107, a dial wheel 108, an electrode plate 109, an electrode 110, a heating plate 111, a heat insulation plate 112, a sleeve 113, a cover plate 114, a wind box 115, a second motor 116, a fan 117, a ventilation pipe 118, a ventilation port 119, a vacuum pump 120, an extension cylinder 121, an extension rod 122, a pump body 123, a flow guide pipe 124, an annular sleeve 125, a connecting rod 126, a stirring plate 127, an elastic box 128, a steel ball 129, an H-shaped frame 130, a support rod 131, a feed inlet 132, a feed plate 133

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 3, a ceramic production process comprises the following specific process flows:

s1, raw material pretreatment: filling the raw materials into a heating mechanism for heating treatment to fully dissolve the raw materials;

s2, seed crystal addition: after the step S1, filling part of seed crystals into a pulling mechanism, and driving the seed crystals to be immersed into the original molten liquid at a constant speed through the pulling mechanism;

s4, crystal storage: after the step S3 is carried out for a plurality of times, namely when the crystal grows to the preset length, the step S3 is stopped, the pulling mechanism is taken out from the heating mechanism, and the crystal is obtained from the pulling mechanism;

the operations in the steps of the production process flow S1-S4 are performed by the cooperation of the housing 100, the four bases 101, the sleeve 113, the vent 119, the vacuum pump 120, the feed inlet 132, the feed plate 133, the power mechanism, the heating mechanism, and the lifting mechanism, wherein:

four bases 101 are installed along casing 100 circumferencial direction at casing 100 lower extreme, casing 100 upper end is equipped with sleeve 113, be equipped with heating mechanism between casing 100 inside and the lower terminal surface, sleeve 113 upper end is equipped with power unit, be equipped with the pulling mechanism in sleeve 113 and the casing 100, it is equipped with blow vent 119 to lie in sleeve 113 central line left side on the sleeve 113 circumference end wall, it is equipped with vacuum pump 120 to lie in blow vent 119 below on the sleeve 113 circumference end wall, casing 100 upper end wall is opened to lead to there is feed inlet 132, the feed inlet 132 below is equipped with the feed plate 133 that links to each other with heating mechanism.

As shown in fig. 3, 4 and 6, the heating mechanism includes a motor plate 102 disposed between a front base 101 and a rear base 101 at a central point of a casing 100, the motor plate 102 is provided with a first motor 103, an output end of the first motor 103 is fixedly connected with a first motor shaft 104, the first motor shaft 104 extends into the casing 100 through a lower end wall of the casing 100, a graphite heating pot 105 is disposed at a top end of the first motor shaft 104 in the casing 100, an insulation board 112 surrounding the graphite heating pot 105 is disposed in the casing 100, electrode plates 109 are disposed on the two bases 101 at left and right sides of the central point of the casing 100, each electrode plate 109 is disposed at one side of the corresponding base 101 near a central line of the casing 100, an electrode 110 is disposed on the electrode plate 109, a heating plate 111 extending into the casing 100 is disposed on the electrode 110, the heating plate 111 is disposed between the insulation board 112 and the graphite heating pot 105, a crucible 106 is disposed in the graphite heating pot 105, a heat insulation cavity 107 is enclosed between the crucible 106 and the graphite heating pot 105, and a driving wheel 108 is arranged in the heat insulation cavity 107.

As shown in fig. 3 and 4, the power mechanism includes a cover plate 114 detachably disposed at the upper end of the sleeve 113, a wind box 115 is disposed at the upper end of the cover plate 114, a second motor 116 is disposed at the upper end of the wind box 115, an output end of the second motor 116 is fixedly connected to a second motor shaft 134, the second motor shaft 134 penetrates through the wind box 115 and the cover plate 114, a fan 117 is sleeved on a portion of the second motor shaft 134 located in the wind box 115, a ventilation pipe 118 extending into the housing 100 is disposed on the wind box 115, and the ventilation pipe 118 is slidably connected to the graphite heating pan 105.

As shown in figure 3 of the drawings, as shown in fig. 5, the lifting mechanism includes an extension cylinder 121 disposed at the lower end of a second motor shaft 134 of the power mechanism, two pump bodies 123 are disposed at the outer periphery of the extension cylinder 121, the lower end of each pump body 123 is connected with a flow guide pipe 124, an extension rod 122 is slidably connected in the extension cylinder 121, at least two crystallization assemblies are disposed in the extension rod 122, the crystallization assemblies are uniformly distributed in the extension rod 122 along the radial direction of the extension rod 122, an annular sleeve 125 is sleeved on the lower end of the extension rod 122, two connecting rods 126 are rotatably connected to the lower end of the annular sleeve 125, a stirring plate 127 is disposed at the lower end of each connecting rod 126, each crystallization assembly includes an elastic box 128 slidably disposed in the extension rod 122, the elastic boxes 128 of the crystallization assemblies are connected with the extension rod 122 through pull ropes, an H-shaped frame 130 is disposed in the elastic box 128, support rods 131 are slidably connected to the upper and lower ends of the H-shaped frame 130, and at least two steel balls 129 are disposed in the elastic box 128.

The working principle is as follows:

before pulling crystallization, raw materials are placed into the crucible 106 along the feeding plate 133 through the feeding hole 132, a certain amount of seed crystals are uniformly distributed in a plurality of crystallization components, the plurality of crystallization components are filled into the extension rod 122, the cover plate 114 is arranged above the sleeve 113 after the seed crystals are filled, and the extension rod 122 is positioned in the extension cylinder 121;

starting a vacuum pump 120, introducing inert shielding gas along a vent 119, starting a first motor 103 on a motor plate 102, driving a graphite heating pot 105 to rotate in a shell 100 by the first motor 103 through the first motor 103, driving a crucible 106 to rotate in the shell 100 when the graphite heating pot 105 rotates, simultaneously starting electrodes 110 on two electrode plates 109, controlling two heating plates 111 through the two electrodes 110 to heat raw materials in the crucible 106, driving the raw materials in the crucible 106 to carry out rotary heating through the graphite heating pot 105, and fully melting the molten materials in the crucible 106 so as to facilitate the quick dissolution of the raw materials in the crucible 106;

after the raw materials in the crucible 106 are dissolved, the extension rod 122 is controlled to extend out of the extension cylinder 121, so that the guide pipe 124 enters the molten liquid in the crucible 106, the second motor 116 is started to control the second motor shaft 134 to rotate, the second motor shaft 134 drives the extension cylinder 121 and the extension rod 122 to rotate in the sleeve 113 and the shell 100 when rotating, the extension rod 122 drives the two stirring plates 127 to rotate in the crucible 106 through the annular sleeve 125 and the connecting rod 126 in the rotating process, the raw molten liquid in the crucible 106 is stirred through the two stirring plates 127, and the pump body 123 is started to suck the molten liquid in the crucible 106 into the extension rod 122 along the guide pipe 124 to be contacted with a plurality of crystallization components;

the raw melt entering the crystallization assembly contacts with the seed crystal in the elastic box 128 of the crystallization assembly, the raw melt is adsorbed and crystallized through the seed crystal, so that the crystal grows in the elastic box 128, due to the elastic design of the elastic box 128, along with the growth of the crystal in the elastic box 128, the support rod 131 continuously slides towards the outside of the H-shaped frame 130, so that the elastic box 128 gradually deforms, the volume is increased, the elastic boxes 128 are mutually extruded, under the action of extrusion force, the elastic boxes 128 are gradually discharged from the extension rod 122 and fall into the crucible 106, meanwhile, during the extrusion process of the elastic boxes 128, a plurality of steel balls 129 in the elastic box 128 can carry out certain crushing on the crystal, the phenomenon that the crystal grows too large, so that the elastic boxes 128 are clamped in the extension rod 122 and cannot fall off, the elastic boxes 128 entering the crucible 106 fall off on the stirring plate 127, along with the rotation of the stirring plate 127, the elastic boxes 128 continuously roll on the stirring plate 127, fully contacting with the melt for crystallization, and controlling the extension rod 122 to slide in the extension cylinder 121 in a reciprocating manner along with the falling of the elastic boxes 128 of the crystallization components to drive the elastic boxes 128 to slide up and down on the liquid level so as to promote the formation and growth of crystals;

the second motor 116 drives the second motor shaft 134 to rotate and simultaneously drives the fan 117 to rotate in the air box 115, certain wind is generated when the fan 117 rotates, the wind enters the heat insulation cavity 107 along the ventilation pipe 118 and is discharged from the lower end wall of the shell 100, the wind entering the heat insulation cavity 107 blows towards the toggle wheel 108 to drive the toggle wheel 108 to rotate, the crucible 106 is controlled to swing in the graphite heating pot 105 in the rotation process of the toggle wheel 108, the mobility of the molten liquid in the crucible 106 is improved through the swing of the crucible 106, and the molten liquid is enabled to be better contacted with the circumferential inner wall of the crucible 106, so that the heat insulation effect of the original molten liquid in the crucible 106 is ensured.

The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A ceramic production process is characterized in that: the specific process flow is as follows:

s4, crystal storage: after the step S3 is carried out for a plurality of times, namely when the crystal grows to the preset length, the step S3 is stopped, the pulling mechanism is taken out of the heating mechanism, and the crystal is obtained from the pulling mechanism;

the operation in the steps of the production process flow S1-S4 needs to be completed by the cooperation of the shell (100), the four bases (101), the sleeve (113), the vent (119), the vacuum pump (120), the feed inlet (132), the feed plate (133), the power mechanism, the heating mechanism and the lifting mechanism, wherein:

four bases (101) are installed along casing (100) circumferencial direction to casing (100) lower extreme, casing (100) upper end is equipped with sleeve (113), be equipped with heating mechanism between casing (100) inside and lower terminal surface, sleeve (113) upper end is equipped with power unit, sleeve (113) with be equipped with in casing (100) and carry and draw the mechanism, lie in on the sleeve (113) circumference end wall sleeve (113) central line left side is equipped with blow vent (119), lie in on the sleeve (113) circumference end wall blow vent (119) below is equipped with vacuum pump (120), casing (100) upper end wall is opened to lead to there is feed inlet (132), feed inlet (132) below be equipped with feed plate (133) that heating mechanism links to each other, heating mechanism is including setting up motor board (102) that are located between two bases (101) around casing (100) central point, a first motor (103) is arranged on the motor plate (102), the output end of the first motor (103) is fixedly connected with a first motor shaft (104), the first motor shaft (104) penetrates through the lower end wall of the shell (100) and extends into the shell (100), a graphite heating pot (105) is arranged at the top end of the first motor shaft (104) positioned in the shell (100), an insulation board (112) surrounding the graphite heating pot (105) is arranged in the shell (100), electrode plates (109) are respectively arranged on the two bases (101) positioned at the left side and the right side of the central point of the shell (100), each electrode plate (109) is positioned at one side of the corresponding base (101) close to the central line of the shell (100), an electrode (110) is arranged on the electrode plate (109), a heating plate (111) extending into the shell (100) is arranged on the electrode (110), the heating plate (111) is positioned between the heat insulation plate (112) and the graphite heating pot (105);

a crucible (106) is arranged in the graphite heating pot (105), a heat insulation cavity (107) is enclosed between the crucible (106) and the graphite heating pot (105), a poking wheel (108) is arranged in the heat insulation cavity (107), the power mechanism comprises a cover plate (114) which is detachably arranged at the upper end of the sleeve (113), the upper end of the cover plate (114) is provided with an air box (115), the upper end of the air box (115) is provided with a second motor (116), the output end of the second motor (116) is fixedly connected with a second motor shaft (134), the second motor shaft (134) penetrates through the air box (115) and the cover plate (114), a fan (117) is sleeved on the part of the second motor shaft (134) positioned in the air box (115), a vent pipe (118) extending into the shell (100) is arranged on the air box (115), the ventilation pipe (118) is in sliding connection with the graphite heating pot (105);

the lifting mechanism comprises an extension cylinder (121) arranged at the lower end of a second motor shaft (134) of the power mechanism, two pump bodies (123) are arranged on the outer peripheral side of the extension cylinder (121), a guide pipe (124) is connected to the lower end of each pump body (123), an extension rod (122) is connected in the extension cylinder (121) in a sliding mode, at least two crystallization assemblies are arranged in the extension rod (122), the crystallization assemblies are uniformly distributed in the extension rod (122) along the radial direction of the extension rod (122), an annular sleeve (125) is sleeved at the lower end of the extension rod (122), two connecting rods (126) are rotatably connected to the lower end of the annular sleeve (125), and a stirring plate (127) is arranged at the lower end of each connecting rod (126);

the crystallization subassembly is including sliding the setting elastic box (128) in extension rod (122), and is a plurality of be connected through the stay cord between elastic box (128) and extension rod (122) of crystallization subassembly, be equipped with H type frame (130) in elastic box (128), the upper and lower both ends of H type frame (130) sliding connection respectively have bracing piece (131), be equipped with two at least steel ball (129) in elastic box (128).