CN210729455U

CN210729455U - Sealed reaction kettle

Info

Publication number: CN210729455U
Application number: CN201920803834.4U
Authority: CN
Inventors: 肖波
Original assignee: Harbin Zhuoyi Biotechnology Co Ltd
Current assignee: Harbin Zhuoyi Biotechnology Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-06-12
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to a high-pressure reaction equipment technical field specifically discloses a sealed reation kettle, including the cauldron body and sealed lid, cauldron body top central point puts fixed mounting and has motor, feed inlet and exhaust hole, and the output shaft and the (mixing) shaft fixed connection of motor have set firmly a plurality of horizontally stirring rakes on the (mixing) shaft. Cauldron body upper portion is provided with tubular structure's leg, cauldron body bottom central point put and has seted up the discharge gate, the lateral wall of leg on be provided with the air inlet, there are inlet branch and intake pipe through the three way connection on the air inlet, the intake pipe stretches into the bottom of the cauldron body, inlet branch passes the leg and lets in the sealed intracavity that leg and sealed lid formed. The sealing structure is characterized in that an outer ring is fixedly arranged at the top end of the enclosing wall, a plurality of screw holes are uniformly distributed in the outer ring, the outer ring is arranged at the bottom of the sealing cover, longitudinal screw holes are formed in the corresponding position of the outer ring, and screws are embedded in the screw holes. Simple structure, high safety, difficult leakage, high reaction efficiency and easy manufacture and popularization.

Description

Sealed reaction kettle

Technical Field

The utility model relates to a high-pressure reaction equipment technical field specifically is a sealed reation kettle.

Background

The reaction kettle is an indispensable reaction instrument for chemical, biological and physical experiments, in particular chemical and biological experiments. In chemical engineering, chemical experiments and production of high temperature, high pressure, corrosive liquid, toxic gas and the like are usually involved, so that certain requirements on sealing and high temperature and high pressure resistance of a reaction kettle are met. The necessary and external UNICOM of reation kettle, to reation kettle feeding, blowing and stirring, leakproofness is the very important factor of evaluation reation kettle.

Chinese patent (publication No. CN 104741040A, publication No. 2015.07.01) discloses a high-temperature high-pressure reaction kettle, which solves the problems that a feed hole and a discharge hole are sealed, a motor is sealed through a shaft seal, and theoretically, the phenomenon of gas leakage cannot occur, and the gas leakage inevitably occurs when the reaction kettle is used for a period of time or the pressure and the temperature are higher. This results in failure to raise the reaction pressure, leakage of harmful gas and even explosion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed reation kettle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sealed reation kettle, includes the cauldron body and sealed lid, cauldron body top central point put fixed mounting have a motor, the top intermediate position of the cauldron body seted up fore-and-aft perforation, the output shaft of motor pass the perforation stretch into the cauldron internal and with vertical (mixing) shaft fixed connection, the (mixing) shaft passes through bearing seal sealing connection with the cauldron body, the setting of bearing seal avoids the cauldron body to leak gas. Under the drive of the motor, the stirring shaft and the output shaft of the motor rotate coaxially. The stirring shaft is fixedly provided with a plurality of horizontal stirring paddles which are driven by the stirring shaft to rotate so as to stir the reaction liquid in the kettle body.

The side of motor seted up feed inlet and exhaust hole at cauldron body top, cauldron body upper portion is provided with tubular structure's leg, the leg encloses motor, feed inlet and exhaust hole. The reaction raw materials can be added into the kettle body by opening the feed inlet. The exhaust hole is provided with an exhaust valve, and the high-pressure air in the kettle body can be exhausted by opening the exhaust valve. The kettle body is characterized in that a discharge port is formed in the center of the bottom of the kettle body, a discharge port valve is arranged on the discharge port, and reaction liquid in the kettle body can be discharged by opening the discharge port valve.

The lateral wall of leg on be provided with the air inlet, there are inlet branch and intake pipe through the tee junction on the air inlet, the intake pipe passes the top of leg and the cauldron body and stretches into the bottom of the cauldron body. The gas inlet is communicated with a high-pressure gas source, and gas enters from the gas inlet and is sprayed out from the tail end of the gas inlet pipe to enter a reaction system in the kettle body. The air inlet pipe is provided with an air inlet pipe valve, and the air inlet pipe valve controls the air in the air inlet pipe to enter. And a branch pipe valve is arranged on the air inlet branch pipe and controls the air of the air inlet branch pipe to enter. The air inlet branch pipe penetrates through the surrounding wall and is led into a sealing cavity formed by the surrounding wall and the sealing cover.

The top end of the enclosing wall is fixedly provided with an outer ring, and a plurality of screw holes are uniformly distributed on the outer ring. The handle is fixedly arranged at the top end of the sealing cover, and the sealing cover can be opened and closed conveniently due to the arrangement of the handle. The bottom of the sealing cover is also provided with an outer ring, the outer ring on the sealing cover is well meshed with the outer ring on the enclosure wall, a longitudinal screw hole is formed in the corresponding position of the outer ring, a screw is embedded in the screw hole, and the sealing cover can be well fixed on the top end of the enclosure wall through the screw to form a sealing cavity.

As a further aspect of the present invention: the bottom end of the stirring shaft is rotatably connected to the kettle inner base at the bottom of the kettle body, and the stirring shaft can freely rotate in the kettle inner base.

As a further aspect of the present invention: the inside wall of the kettle body is provided with a temperature sensor, the temperature in the kettle body can be detected through the temperature sensor, and the reaction temperature control is facilitated.

As a further aspect of the present invention: the outer bottom of the kettle body is provided with a base which has a supporting function on the kettle body.

As a further aspect of the present invention: the inner surface of the kettle body is provided with an anti-corrosion layer, and the anti-corrosion layer is arranged to prevent corrosive reactants from corroding the kettle body.

As a further aspect of the present invention: the stirring shaft is internally provided with a stirring shaft hollow. The tail end of the air inlet pipe is communicated with the stirring shaft in a hollow mode through an in-kettle shaft seal in the in-kettle base. The bottom of the stirring paddle is provided with a plurality of downward air outlets which are communicated with the air inlet pipe through the hollow stirring shaft. Gas can enter into the stirring rake from the intake pipe under the (mixing) shaft pivoted circumstances to spout a large amount of bubbles in to the reaction system from the gas outlet, make gas and reaction system area of contact increase, accelerated the progress of reaction.

Compared with the prior art, the beneficial effects of the utility model are that: the top of the kettle body is provided with the sealing cover, so that the safety performance of the reaction kettle is improved. And gas is introduced into the sealed cavity, the pressure of the sealed cavity is the same as that of the kettle body, and the reaction liquid and the gas cannot leak into the sealed cavity. The air inlet is connected with the central control stirring shaft through the shaft seal, gas enters the reaction system from the bottom of the stirring paddle, bubbles move upwards under the action of buoyancy, and the stirring paddle performs secondary crushing on the bubbles, so that the gas and the liquid are fully contacted, and the reaction process is greatly accelerated. The utility model discloses the advantage: simple structure, high safety, difficult leakage, high reaction efficiency and easy manufacture and popularization.

Drawings

FIG. 1 is a schematic structural view of example 1 of a sealed reaction vessel.

FIG. 2 is a schematic top view of a sealing cover of a sealed reaction vessel.

FIG. 3 is a schematic structural view of example 2 of a sealed reaction vessel.

FIG. 4 is a schematic bottom view of a closed reactor according to example 2.

In the figure: 1-kettle body, 2-temperature sensor, 3-kettle inner base, 4-discharge hole, 5-stirring paddle, 6-stirring shaft, 7-air inlet pipe, 8-air inlet, 9-air inlet branch pipe, 10-shaft seal, 11-motor, 12-sealing cover, 13-handle, 14-screw, 15-outer ring, 16-sealing cavity, 17-feed hole, 18-base, 19-anti-corrosion layer, 20-kettle inner shaft seal, 21-air outlet hole, 22-screw hole, 23-branch pipe valve, 24-air inlet pipe valve, 25-air outlet hole, 26-air outlet valve, 27-stirring shaft hollow, 28-surrounding wall and 29-discharge hole valve.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1, a sealed reaction kettle comprises a kettle body 1 and a sealing cover 12, wherein a motor 11 is fixedly installed at the center of the top of the kettle body 1, a longitudinal through hole is formed in the middle of the top of the kettle body 1, an output shaft of the motor 11 penetrates through the through hole to extend into the kettle body 1 and is fixedly connected with a vertical stirring shaft 6, the stirring shaft 6 is hermetically connected with the kettle body 1 through a shaft seal 10, and the arrangement of the shaft seal 10 avoids air leakage of the kettle body 1. The stirring shaft 6 is driven by the motor 11 to rotate coaxially with the output shaft of the motor 11. The bottom of the stirring shaft 6 is rotatably connected to the kettle inner base 3 at the bottom of the kettle body 1, and the stirring shaft 6 can freely rotate in the kettle inner base 3. A plurality of horizontal stirring paddles 5 are fixedly arranged on the stirring shaft 6, and the stirring paddles 5 are driven by the stirring shaft 6 to rotate so as to stir the reaction liquid in the kettle body 1.

The side of motor 11 seted up feed inlet 17 and exhaust hole 25 at cauldron body 1 top, cauldron body 1 upper portion is provided with tubular structure's leg 28, leg 28 encloses motor 11, feed inlet 17 and exhaust hole 25. The reaction raw materials can be added into the autoclave body 1 by opening the feed port 17. The exhaust hole 25 is provided with an exhaust valve 26, and the high-pressure air in the kettle body 1 can be exhausted by opening the exhaust valve 26. The inside wall of the kettle body 1 is provided with a temperature sensor 2, the temperature in the kettle body 1 can be detected through the temperature sensor 2, and the reaction temperature is convenient to control. The outer bottom of the kettle body 1 is provided with a base 18, and the base 18 has a supporting function on the kettle body 1. The reactor is characterized in that a discharge port 4 is formed in the center of the bottom of the reactor body 1, a discharge port valve 29 is arranged on the discharge port 4, and the reaction liquid in the reactor body 1 can be discharged by opening the discharge port valve 29. The inner surface of the kettle body 1 is provided with an anti-corrosion layer 19, and the anti-corrosion layer 19 is arranged to prevent corrosive reactants from corroding the kettle body 1.

The lateral wall of leg 28 on be provided with air inlet 8, there are inlet branch 9 and intake pipe 7 through the tee junction on the air inlet 8, the bottom of the cauldron body 1 is stretched into at the top that intake pipe 7 passed leg 28 and cauldron body 1. The gas inlet 8 is communicated with a high-pressure gas source, and gas enters from the gas inlet 8 and is sprayed out from the tail end of the gas inlet pipe 7 to enter into a reaction system in the kettle body 1. The air inlet pipe 7 is provided with an air inlet pipe valve 24, and the air inlet pipe valve 24 controls the air in the air inlet pipe 7 to enter. And a branch valve 23 is arranged on the air inlet branch pipe 9, and the branch valve 23 controls the air in the air inlet branch pipe 9 to enter. The inlet manifold 9 passes through the enclosure wall 28 and opens into the sealed chamber 16 formed by the enclosure wall 28 and the seal cap 12.

The top end of the enclosing wall 28 is fixedly provided with an outer ring 15, and a plurality of screw holes 22 are uniformly distributed on the outer ring 15. The top end of the sealing cover 12 is fixedly provided with a handle 13, and the handle 13 is convenient for the sealing cover 12 to be opened and closed. The sealing cover 12 also has a peripheral ring 15 at the bottom, the peripheral ring 15 of the sealing cover 12 is engaged with the peripheral ring 15 of the wall 28, a longitudinal screw hole 22 is arranged at the corresponding position of the peripheral ring 15, a screw 14 is nested in the screw hole 22, and the screw 14 can fix the sealing cover 12 on the top of the wall 28 and form a sealing cavity 16.

The utility model discloses the theory of operation: the sealing cap 12 and the feed port 17 of the reaction vessel were opened, and the reaction material was fed through the feed port 17. And (3) closing the feed inlet 17 and the exhaust valve 26, introducing gas into the kettle body 1, opening the exhaust valve 26 to exhaust the gas, and closing the exhaust valve 26. The manifold valve 23 is opened and the seal cap 12 is installed, the wall 28 is aligned with the screw hole 22 of the seal cap 12, and the screws 14 are symmetrically tightened. Heating the kettle body 1, and introducing high-pressure gas into the kettle body 1 to meet the reaction requirement. The branch valve 23 and the intake pipe valve 24 are closed. The gas enters the sealed cavity 16 and the reaction kettle body 1, so that the reaction liquid and the gas cannot leak. The gas enters the bottom of the kettle body 1 through the gas inlet pipe 7 and enters the reaction system. After the reaction is finished, the branch valve 23 is opened to discharge the gas in the sealed cavity 26. The sealing cap 12 is opened, the exhaust valve 26 is opened to exhaust the reaction solution, and the discharge port 4 is opened to discharge the reaction solution.

Example 2

Referring to fig. 3-4, on the basis of embodiment 1, a stirring shaft hollow 27 is arranged in the stirring shaft 6. The tail end of the air inlet pipe 7 is communicated with the stirring shaft hollow 27 through an in-kettle shaft seal 20 in the in-kettle base 3. The bottom of the stirring paddle 5 is provided with a plurality of downward air outlets 21, and the air outlets 21 are communicated with the air inlet pipe 7 through a hollow 27 of the stirring shaft. Gas can enter into stirring rake 5 from intake pipe 7 under the circumstances that (mixing) shaft 6 rotated to spout a large amount of bubbles in to the reaction system from venthole 21, make gas and reaction system area of contact increase, accelerated the progress of reaction.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A sealed reaction kettle comprises a kettle body (1) and a sealing cover (12), wherein a motor (11) is fixedly arranged at the center of the top of the kettle body (1), an output shaft of the motor (11) extends into the kettle body (1) and is fixedly connected with a vertical stirring shaft (6), the stirring shaft (6) is hermetically connected with the kettle body (1) through a shaft seal (10), a plurality of horizontal stirring paddles (5) are fixedly arranged on the stirring shaft (6), the side edge of the motor (11) is provided with a feed inlet (17) and an exhaust hole (25) at the top of the kettle body (1), it is characterized in that the upper part of the kettle body (1) is provided with a surrounding wall (28) with a cylindrical structure, an exhaust valve (26) is arranged on the exhaust hole (25), a discharge hole (4) is formed in the center of the bottom of the kettle body (1), and a discharge hole valve (29) is arranged on the discharge hole (4);

the outer side wall of the surrounding wall (28) is provided with an air inlet (8), the air inlet (8) is connected with an air inlet branch pipe (9) and an air inlet pipe (7) through a tee joint, the air inlet pipe (7) penetrates through the surrounding wall (28) and the top of the kettle body (1) and extends into the bottom of the kettle body (1), the air inlet pipe (7) is provided with an air inlet pipe valve (24), the air inlet branch pipe (9) is provided with a branch pipe valve (23), and the air inlet branch pipe (9) penetrates through the surrounding wall (28) and is introduced into a sealing cavity (16) formed by the surrounding wall (28) and the sealing cover (12);

the sealing structure is characterized in that the top end of the enclosing wall (28) is fixedly provided with an outer ring (15), a plurality of screw holes (22) are uniformly distributed on the outer ring (15), the top end of the sealing cover (12) is fixedly provided with a handle (13), the bottom of the sealing cover (12) is provided with the outer ring (15), the corresponding part of the outer ring (15) is provided with a longitudinal screw hole (22), and a screw (14) is embedded in the screw hole (22).

2. The sealed reaction kettle according to claim 1, wherein the bottom end of the stirring shaft (6) is rotatably connected to the kettle inner base (3) at the bottom of the kettle body (1).

3. The sealed reaction kettle according to claim 2, wherein the inner side wall of the kettle body (1) is provided with a temperature sensor (2).

4. A sealed reaction kettle according to claim 2 or 3, characterized in that the outer bottom of the kettle body (1) is provided with a base (18).

5. The sealed reaction vessel according to claim 4, wherein the inner surface of the vessel body (1) is provided with a corrosion protection layer (19).

6. The sealed reaction kettle according to claim 1, wherein a hollow stirring shaft (27) is arranged in the stirring shaft (6), the end of the air inlet pipe (7) is communicated with the stirring shaft (6) through a shaft seal (20) in the kettle inner base (3), a plurality of downward air outlet holes (21) are formed in the bottom of the stirring paddle (5), and the air outlet holes (21) are communicated with the air inlet pipe (7) through the hollow stirring shaft (27).