CN210566231U

CN210566231U - Sealing device applied to stirring shaft of reaction kettle

Info

Publication number: CN210566231U
Application number: CN201921516433.7U
Authority: CN
Inventors: 景洪杰; 陈光韧
Original assignee: Tianjin Jialinke Medical Co Ltd
Current assignee: Tianjin Jialinke Medical Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-19
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a sealing device applied to a stirring shaft of a reaction kettle, which comprises a tank body and a stirring shaft arranged in the tank body in a rotating manner, wherein the top wall of the tank body is provided with a tank opening, the top end of the stirring shaft extends out of the top wall of the tank body, the sealing device also comprises an annular block arranged on the top wall outside the tank body, a sealing disc arranged on the top wall inside the tank body and a plurality of arc-shaped water-swelling water-stopping plates arranged on the outer wall of the top end of the stirring shaft along the circumferential direction, a first cavity is arranged in the sealing disc, a rotating opening for the stirring shaft to pass is arranged at the axis of the sealing disc, a driving assembly for driving the water-swelling water-stopping plates to move along the radial direction of the sealing disc is arranged in the first cavity, the top wall of the annular; have good sealed effect between (mixing) shaft and the jar body, can avoid gaseous the spilling, improved stirring efficiency.

Description

Sealing device applied to stirring shaft of reaction kettle

Technical Field

The utility model relates to a reation kettle's technical field, in particular to be applied to sealing device of reation kettle (mixing) shaft.

Background

In the production of petroleum, chemical, pesticide, metallurgy and other industries, a stirring kettle is often needed to treat liquid-solid slurry with the granularity of several millimeters to micron, and in order to fully mix the slurry and avoid the precipitation in the reaction kettle, a stirrer is generally arranged at the bottom or two sides of the reaction kettle for stirring.

When the raw materials in the reaction kettle are stirred by the existing stirring shaft, the stirring shaft rotates, and then the raw materials and the sealant of the tank opening rub to cause the phenomenon that the sealant driving the tank opening easily drops, so that the medicines are polluted, the sealant is difficult to remove from the outside, and finally the gas in the reaction kettle leaks through the tank opening, so that the sealing effect is poor, and the quality of finished products is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applied to sealing device of reation kettle (mixing) shaft, its advantage is: good sealed effect has between this (mixing) shaft and the jar body, can avoid when stirring raw materials, and gas spills, has improved stirring efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a be applied to sealing device of reation kettle (mixing) shaft, includes a jar body and rotates the (mixing) shaft that sets up at the internal jar, the roof of the jar body is equipped with a jar mouth, outside the roof of the jar body was extended on the top of (mixing) shaft, still including set up at the external roof of jar annular piece, set up at the sealed dish of the internal roof of jar and set up at (mixing) shaft top outer wall and along a plurality of curved water-swelling sealing strips that are of its circumference arrangement, be equipped with first cavity in the sealed dish, the axle center department of sealed dish is equipped with the rotation mouth that supplies the (mixing) shaft to pass, be equipped with the drive assembly that drives a plurality of water-swelling sealing strips and remove along sealed dish radial direction in the first cavity, the roof of annular piece is equipped with the annular basin along.

According to the technical scheme, the water-swelling water stop plate is driven by the driving assembly to be attached to the outer wall of the stirring shaft, then the water supply assembly is used for supplying water to the water-swelling water stop plate, and the water-swelling water stop plate generates 2-3 times of swelling deformation after meeting water, is full of all irregular surfaces, cavities and gaps of a joint, generates huge contact pressure, and thoroughly prevents leakage, so that sealing is realized; the sealing device with the structure has good sealing effect, and can avoid gas leakage when the raw materials are stirred, thereby improving the stirring efficiency.

The utility model discloses further set up to: drive assembly including rotate set up at the fluted disc of first cavity inner wall, slide in first cavity diapire and with the rack of fluted disc meshing, fix first magnetic path on the fluted disc lateral wall and fix and meet water inflation stagnant water board and deviate from the second magnetic path on the (mixing) shaft lateral wall, the one end of rack links to each other with the lateral wall that meets water inflation stagnant water board, the lateral wall that first magnetic path and second magnetic path deviate from the (mixing) shaft is N level.

Through the technical scheme, when the (mixing) shaft rotates, water inflation sealing plate takes place slight displacement, when water inflation sealing plate slides to the fluted disc direction, drive the fluted disc and rotate, because rack and fluted disc meshing, and the lateral wall that first magnetic path and second magnetic path deviate from the (mixing) shaft is N level, make the N level of first magnetic path rotate to the N level of orientation second magnetic path, because the same level is repulsive mutually, and then fluted disc antiport, the rack slides to the (mixing) shaft direction, the S level of first magnetic path rotates to the (mixing) shaft of orientation simultaneously, and then the stability of fluted disc has been guaranteed, and then can support water inflation sealing plate on the outer wall of (mixing) shaft, can avoid gas leakage, the stirring effect has been improved.

The utility model discloses further set up to: the water supply assembly comprises a micro water pump, a water inlet pipe, a water outlet pipe and a flow guide ring block, wherein the micro water pump is arranged on the top wall of the annular water tank and is positioned on one side of the annular water tank, the water inlet pipe is connected with the micro water pump and extends into the annular water tank, the flow guide ring block is fixed on the outer wall of the top end of the stirring shaft, a second cavity is arranged in the flow guide ring block, the water outlet pipe extends into the second cavity, the top wall of the flow guide ring block is provided with an annular opening for inserting the water outlet pipe along the circumferential direction of the top wall of the flow.

By the technical scheme, the miniature water pump is started, water in the annular water tank can be pumped into the second cavity through the water outlet pipe and then discharged through the water seepage hole, so that water flow can flow into a gap between the outer wall of the stirring shaft and the side wall of the tank opening, and finally the water-swelling water stop plate absorbs water when meeting water, so that a sealing effect is realized; when the stirring shaft rotates, the guide ring block is driven to rotate, and the arrangement of the annular opening realizes that the water outlet pipe can stably supply water to the second cavity when the guide ring block rotates.

The utility model discloses further set up to: the lateral wall of annular mouth is equipped with memory sponge expansion ring, the inner ring of memory sponge expansion ring closely laminates with the outer wall of outlet pipe, the diapire that the (mixing) shaft was kept away from to the water conservancy diversion ring block is equipped with the seal ring board and extends to in the annular water tank, enclose between the relative lateral wall of diapire of water conservancy diversion ring block, the outer wall of (mixing) shaft and seal ring board and close and be formed with the water seal space.

Through the technical scheme, the memory sponge telescopic ring has good restorability, and when the guide ring block rotates, the inner ring of the memory sponge telescopic ring is tightly attached to the outer wall of the water outlet pipe, so that a gap between the water outlet pipe and the side wall of the annular opening can be filled, and a sealing effect is realized; meanwhile, the sealing ring plate is arranged, so that a water seal space is formed by enclosing the guide ring block, the sealing ring plate and the outer wall of the stirring shaft, secondary sealing is realized, the sealing effect is enhanced, and the stirring effect on raw materials is improved.

The utility model discloses further set up to: the inner bottom wall that water conservancy diversion ring block is located the second cavity is equipped with the inclined plane, the lower one end on inclined plane is towards the (mixing) shaft, the infiltration hole sets up the lower one end on inclined plane.

Through above-mentioned technical scheme, set up the inclined plane, play the water conservancy diversion effect to the water in the second cavity for rivers can be stably through the infiltration hole flow to the (mixing) shaft and jar mouth lateral wall between the gap flow direction meet water inflation stagnant water board, have improved sealed effect.

The utility model discloses further set up to: the outer wall that the (mixing) shaft is located the jar internal is equipped with the overflow ring board to ground slope, the top inner wall of the jar body is equipped with annular water tank, the lower one end of overflow ring board extends to in the annular water tank.

Through above-mentioned technical scheme, when the (mixing) shaft rotated, the water-swelling sealing plate received the extrusion, set up the overflow crown plate, and then can collect the water that extrudes in the leading-in annular water tank, can avoid rivers to fall into the jar internal, and the influence is to the stirring effect of raw materials.

The utility model discloses further set up to: and a water level sensor is arranged in the annular water tank and is electrically connected with the micro water pump.

Through the technical scheme, the water level sensor can be used for detecting the water level value in the annular water tank in real time and transmitting a detection signal to the PLC control circuit, and when the water level reaches the upper limit value, the micro water pump stops working, so that the phenomenon that the water in the annular water tank overflows into the tank body to affect the reaction on the raw materials can be avoided; when the water level reached the lower limit value, miniature pump started, can supply water to meeting water inflation sealing plate, and then met water inflation sealing plate and take place the inflation to with the gap jam, strengthened sealed effect, realized automatic work, improved stirring effect.

The utility model discloses further set up to: the inner bottom wall of the first cavity is provided with a sliding groove for the sliding of the rack along the radial direction.

Through above-mentioned technical scheme, the setting of spout plays limiting displacement to sliding of rack, and then has improved the stability that the rack slided to can support the water swelling sealing plate tightly on the outer wall of (mixing) shaft with meeting water.

To sum up, the utility model discloses following beneficial effect has:

1. firstly, the water-swelling water stop plate is driven by the driving assembly to be attached to the outer wall of the stirring shaft, then the water supply assembly is used for supplying water to the water-swelling water stop plate, and the water-swelling water stop plate generates 2-3 times of swelling deformation after meeting water, so that a gap between the outer wall of the stirring shaft and the side wall of the tank opening can be filled, leakage is prevented, and sealing is realized; the sealing device formed by adopting the structure has good sealing effect, can avoid gas leakage when the raw materials are stirred, and further improves the stirring efficiency;

2. the stirring shaft rotates, the water-swelling water-stopping plate displaces, when the water-swelling water-stopping plate slides towards the direction of the fluted disc, the rack is meshed with the fluted disc, the side walls of the first magnetic block and the second magnetic block, which are deviated from the stirring shaft, are N-level, and the fluted disc rotates, so that the N-level of the first magnetic block rotates to the N-level towards the second magnetic block;

3. through the overflow crown plate, can collect the water that extrudes in the leading-in annular water tank, can avoid rivers to fall into the jar internal, the influence is to the stirring effect of raw materials.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an overall top cross-sectional structural view for embodying the present embodiment.

Fig. 3 is a partially sectional structural schematic diagram for embodying the present embodiment.

Reference numerals: 1. a tank body; 2. a stirring shaft; 3. a tank opening; 4. a ring block; 5. sealing the disc; 6. a water-swelling stop plate when meeting water; 7. a first cavity; 8. a rotation port; 9. a drive assembly; 91. a fluted disc; 92. a rack; 93. a first magnetic block; 94. a second magnetic block; 10. an annular water tank; 11. a water supply assembly; 111. a micro water pump; 112. a water inlet pipe; 113. a water outlet pipe; 114. a guide ring block; 12. a second cavity; 13. an annular mouth; 14. a water seepage hole; 15. a memory sponge expansion ring; 16. a seal ring plate; 17. a water seal space; 18. an inclined surface; 19. an overflow ring plate; 20. an annular water tank; 21. a water level sensor; 22. a chute; 23. the door is closed.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides a be applied to sealing device of reation kettle (mixing) shaft, refers to figure 1, includes jar body 1, and jar body 1 internal rotation is equipped with (mixing) shaft 2.

Referring to fig. 2, the top end of the stirring shaft 2 extends out of the top wall of the tank body 1, a motor (not shown in the figure) for driving the stirring shaft 2 to rotate can be arranged outside the top wall of the tank body 1, and the top wall of the tank body 1 is provided with a tank opening 3 for the stirring shaft 2 to pass through; the stirring shaft 2 rotates to stir the raw materials in the tank body 1.

Referring to fig. 1 and 2, a sealing disc 5 is arranged on the inner top wall of a tank body 1, a first cavity 7 is arranged in the sealing disc 5, a rotating port 8 for a stirring shaft 2 to pass through is arranged at the axis of the sealing disc 5, the first cavity 7 is communicated with the rotating port 8, and a plurality of arc-shaped water-swelling water-stop plates 6 (the number is preferably 4) are uniformly distributed in the first cavity 7 along the circumferential direction; the outer top wall of the tank body 1 is provided with an annular block 4, the stirring shaft 2 penetrates through an inner ring of the annular block 4, the top wall of the annular block 4 is provided with an annular water tank 10 used for storing water along the circumferential direction, a driving assembly 9 used for driving the water-swelling water-stop plate 6 to slide along the radial direction of the sealing disc 5 is arranged in the first cavity 7, so that the water-swelling water-stop plate 6 is tightly abutted against the outer wall of the stirring shaft 2, the top wall of the annular block 4 is provided with a water supply assembly 11 used for pumping water in the annular water tank 10 to the water-swelling water-stop plate 6, and the water-swelling water-stop plate 6 swells to block a rotating port 8 and a gap between the; because the water-swelling stop plate 6 swells and deforms 2-3 times when meeting water, all irregular surfaces, cavities and gaps of the joint are filled with the water-swelling stop plate, and huge contact pressure is generated at the same time, so that leakage is thoroughly prevented; at first utilize drive assembly 9 drive to meet water inflation sealing plate 6 laminating at the outer wall of (mixing) shaft 2, then utilize water supply assembly 11 to supply water to meeting water inflation sealing plate 6, and then meet water inflation sealing plate 6 inflation to realized sealed, can avoid when the raw materials stirring, gaseous spilling, and then improved stirring efficiency.

Referring to fig. 2 and 3, four sets of driving assemblies 9 are provided, and 4 water-swelling water-stop plates 6 are respectively attached to the outer wall of the stirring shaft 2, wherein one set of driving assembly 9 includes a fluted disc 91 rotatably disposed on the inner wall of the first cavity 7, a rack 92 meshed with the fluted disc 91, a first magnetic block 93 fixed at the axis of the side wall of the fluted disc 91, and a second magnetic block 94 fixed on the side wall of the water-swelling water-stop plate 6 away from the stirring shaft 2, the bottom wall of the first cavity 7 is provided with a chute 22 for the rack 92 to slide along the radial direction, one end of the rack 92 is connected with the side wall of the water-swelling water-stop plate 6, and the opposite side walls of the first magnetic block 93 and the; since the side walls of the first magnetic block 93 and the second magnetic block 94 away from the stirring shaft 2 are both N-level, the same poles repel each other, and the opposite poles attract each other, the water-swelling water stop plate 6 can be abutted against the outer wall of the stirring shaft 2; when the stirring shaft 2 rotates, the water-swelling water stop plate 6 slightly displaces, when the water-swelling water stop plate 6 slides towards the direction of the fluted disc 91, the rack 92 is meshed with the fluted disc 91, the side walls of the first magnetic block 93 and the second magnetic block 94, which are far away from the stirring shaft 2, are both N-level, and the fluted disc 91 rotates, so that the N-level of the first magnetic block 93 rotates to the N-level towards the second magnetic block 94, and the fluted disc 91 reversely rotates due to the repulsion of the same levels, the rack 92 slides towards the direction of the stirring shaft 2, and meanwhile, the S-level of the first magnetic block 93 rotates to the direction of the stirring shaft 2, so that the stability of the fluted disc 91 is ensured, the water-swelling water stop plate 6 can be abutted against the outer wall of the stirring shaft 2, finally; preferably, the first magnetic block 93 and the second magnetic block 94 can be replaced by torsion springs sleeved on the rotating shaft at the axis of the fluted disc 91, one end of each torsion spring is fixed at the axis of the side wall of the fluted disc 91, the other end of each torsion spring is fixed on the inner wall of the first cavity, and then when the water-swelling water stop plate 6 is displaced, the rack 92 slides and further drives the fluted disc 91 to rotate, at the moment, the reset function of the torsion springs is utilized, so that the fluted disc 91 is reset, and then the water-swelling water stop plate 6 can be tightly attached to the outer wall of the stirring.

Referring to fig. 3, the water supply assembly 11 includes a micro water pump 111 disposed on the top wall of the annular block 4 and located on one side of the annular water tank 10, a water inlet pipe 112 and a water outlet pipe 113 connected to the micro water pump 111, and a guide ring block 114 fixed on the outer wall of the top end of the stirring shaft 2, a second cavity 12 is disposed in the guide ring block 114, the water inlet pipe 112 extends into the annular water tank 10, the water outlet pipe 113 extends into the second cavity 12, an annular opening 13 for the rotation of the water outlet pipe 113 is disposed on the top wall of the guide ring block 114 along the circumferential direction thereof, and a plurality of water seepage holes 14 are uniformly distributed on the inner bottom wall of the; when the stirring shaft 2 works, the micro water pump 111 is started, water in the annular water tank 10 can be pumped into the second cavity 12 through the water outlet pipe 113 and then discharged through the water seepage holes 14, so that water flow can flow into a gap between the outer wall of the stirring shaft 2 and the side wall of the tank opening 3, and finally the water swelling water stop plate 6 absorbs water, thereby realizing the sealing effect; when the stirring shaft 2 rotates, the guide ring block 114 is driven to rotate, and the arrangement of the annular opening 13 realizes that the water outlet pipe 113 can stably supply water into the second cavity 12 when the guide ring block 114 rotates.

Referring to fig. 3, a memory sponge expansion ring 15 is arranged on the side wall of the annular opening 13, the inner ring of the memory sponge expansion ring 15 is tightly attached to the outer wall of the water outlet pipe 113, a sealing ring plate 16 is arranged on the bottom wall of the guide ring block 114 away from the stirring shaft 2, the bottom end of the sealing ring plate 16 extends into the annular water tank 10, and a water sealing space 17 is formed by enclosing the bottom wall of the guide ring block 114, the outer wall of the stirring shaft 2 and the opposite side wall of the sealing ring plate 16; when the guide ring block 114 rotates, the water outlet pipe 113 rotates in the annular opening 13, and the inner ring of the memory sponge expansion ring 15 is tightly attached to the outer wall of the water outlet pipe 113 by utilizing the good recovery performance of the memory sponge expansion ring 15, so that the gap between the water outlet pipe 113 and the side wall of the annular opening 13 can be filled, and the sealing effect is realized; meanwhile, the sealing ring plate 16 is arranged, so that a water sealing space 17 is formed by enclosing the guide ring block 114, the sealing ring plate 16 and the outer wall of the stirring shaft 2, secondary sealing is realized, the sealing effect is enhanced, and the stirring effect is improved.

Referring to fig. 3, the deflector ring block 114 is provided with an inclined surface 18 facing the ground at the inner bottom wall of the second cavity 12, the lower end of the inclined surface 18 faces the stirring shaft 2, and the water seepage holes 14 are uniformly distributed at the lower end of the inclined surface 18; the water guide effect is played to the water in the second cavity 12 to the setting on inclined plane 18 for rivers can be stably through the seepage hole 14 flow to the (mixing) shaft 2 and jar mouth 3 gap flow direction between the lateral wall meet water inflation stagnant water board 6, have improved sealed effect.

Referring to fig. 3, an annular water tank 20 is arranged at the top end of the inner wall of the tank body 1, the top of the annular water tank 20 is open, an overflow ring plate 19 is obliquely arranged on the outer wall of the top end of the stirring shaft 2, which is positioned in the tank body 1, towards the ground, the inner ring of the overflow ring plate 19 is fixed on the outer wall of the stirring shaft 2, and the lower end of the overflow ring plate 19 extends into the annular water tank 20; when (mixing) shaft 2 rotates, play the extrusion to meeting water inflation stagnant water board 6, set up overflow crown plate 19, and then can collect the water that extrudes in leading-in ring tank 20, can avoid rivers to fall into jar body 1 in, the influence is to the stirring effect of raw materials.

Referring to fig. 2 and 3, a water level sensor 21 is arranged in the annular water tank 20, the water level sensor 21 is electrically connected with the micro water pump 111, and a sealing door 23 can be hinged outside the side wall of the annular water tank 20, so that a worker can conveniently treat water in the annular water tank 20; the water level sensor 21 can be used for detecting the water level value in the annular water tank 20 in real time and transmitting a detection signal to the PLC control circuit, when the water level reaches an upper limit value, the micro water pump 111 stops working, and the phenomenon that water in the annular water tank 10 overflows into the tank body 1 to affect the reaction of the water to the raw materials can be avoided; when the water level reached the lower limit value, miniature pump 111 started, can supply water to meeting water inflation sealing plate 6, and then met water inflation sealing plate 6 inflation, blockked up the gap, had strengthened sealed effect, had realized automatic work, had improved stirring effect.

The working process is as follows: firstly, the water level sensor 21 is utilized to detect the water level in the annular water tank 20 in real time, when the water level value reaches a lower limit value, a signal is immediately transmitted to the PLC control circuit, the micro water pump 111 receives the signal, water is supplied to the water swelling water stop plate 6 when meeting water, then the water swelling water stop plate 6 swells, and gaps can be blocked; then the stirring shaft 2 is rotated to stir the raw materials in the tank body 1, the water-swelling water stop plate 6 is extruded and displaced in the stirring process, and the extruded water flows into the annular water tank 20 through the overflow ring plate 19; when meeting water inflation sealing-up plate 6 and sliding to keeping away from (mixing) shaft 2 direction, and then rack 92 slides, drives fluted disc 91 and rotates, and then can rotate the N level of first magnetic path 93 to the N level of orientation second magnetic path 94, the same stage is repelled mutually, utilizes and drives fluted disc 91 antiport to rack 92 drives to meet water inflation sealing-up plate 6 and slides to (mixing) shaft 2 direction, finally meets water inflation sealing-up plate 6 and supports tightly on (mixing) shaft 2's outer wall, has finally realized sealedly.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a be applied to sealing device of reation kettle (mixing) shaft, includes jar body (1) and rotates (mixing) shaft (2) that set up in jar body (1), the roof of jar body (1) is equipped with jar mouth (3), outside the roof of jar body (1) was extended to the top of (mixing) shaft (2), its characterized in that: still including setting up annular piece (4) of the outer roof of the jar body (1), setting up sealed dish (5) and setting up a plurality of curved water swelling sealing plate (6) that are of arranging at (mixing) shaft (2) top outer wall and along its circumference in jar body (1) inner wall, be equipped with first cavity (7) in sealed dish (5), the axle center department of sealed dish (5) is equipped with the rotation mouth (8) that supply (mixing) shaft (2) to pass, be equipped with drive assembly (9) that drive a plurality of water swelling sealing plate (6) along sealed dish (5) radial direction and remove in first cavity (7), the roof of annular piece (4) is equipped with annular water tank (10) along its circumference, be equipped with water supply assembly (11) to supplying water swelling sealing plate (6) water in annular water tank (10).

2. The sealing device applied to the stirring shaft of the reaction kettle as recited in claim 1, wherein: drive assembly (9) including rotate set up fluted disc (91) at first cavity (7) inner wall, slide in first cavity (7) diapire and with rack (92) of fluted disc (91) meshing, fix first magnetic path (93) on fluted disc (91) lateral wall and fix and meet water inflation sealing up plate (6) and deviate from second magnetic path (94) on (mixing) shaft (2) lateral wall, the one end of rack (92) links to each other with the lateral wall of meeting water inflation sealing up plate (6), the lateral wall that first magnetic path (93) and second magnetic path (94) deviate from (mixing) shaft (2) is the N level.

3. The sealing device applied to the stirring shaft of the reaction kettle as recited in claim 1, wherein: water supply assembly (11) including set up at annular piece (4) roof and be located miniature pump (111) of annular basin (10) one side, link to each other and extend to inlet tube (112), outlet pipe (113) in annular basin (10) and fix water conservancy diversion ring block (114) on (mixing) shaft (2) top outer wall with miniature pump (111), be equipped with second cavity (12) in water conservancy diversion ring block (114), outlet pipe (113) extend to in second cavity (12), the roof of water conservancy diversion ring block (114) is equipped with along its circumference and supplies outlet pipe (113) male annular mouth (13), a plurality of infiltration holes (14) have all been laid to the inner bottom wall that water conservancy diversion ring block (114) are located second cavity (12).

4. The sealing device applied to the stirring shaft of the reaction kettle as claimed in claim 3, wherein: the lateral wall of annular mouth (13) is equipped with memory sponge expansion ring (15), the inner ring of memory sponge expansion ring (15) closely laminates with the outer wall of outlet pipe (113), the diapire that (mixing) shaft (2) were kept away from in water conservancy diversion ring block (114) is equipped with sealed crown plate (16) and extends to annular basin (10), enclose between the relative lateral wall of diapire, the outer wall of (mixing) shaft (2) and sealed crown plate (16) of water conservancy diversion ring block (114) and close and be formed with water seal space (17).

5. The sealing device applied to the stirring shaft of the reaction kettle as claimed in claim 3, wherein: the inner bottom wall of the guide ring block (114) located in the second cavity (12) is provided with an inclined surface (18), the lower end of the inclined surface (18) faces the stirring shaft (2), and the water seepage hole (14) is formed in the lower end of the inclined surface (18).

6. The sealing device applied to the stirring shaft of the reaction kettle as claimed in claim 3, wherein: the outer wall that (mixing) shaft (2) are located jar body (1) is equipped with overflow ring board (19) to ground slope, the top inner wall of jar body (1) is equipped with annular water tank (20), the lower one end of overflow ring board (19) extends to in annular water tank (20).

7. The sealing device applied to the stirring shaft of the reaction kettle as recited in claim 6, wherein: a water level sensor (21) is arranged in the annular water tank (20), and the water level sensor (21) is electrically connected with the micro water pump (111).

8. The sealing device applied to the stirring shaft of the reaction kettle as recited in claim 2, wherein: the inner bottom wall of the first cavity (7) is provided with a sliding groove (22) for the sliding of the rack (92) along the radial direction.