CN112742064B

CN112742064B - Traditional chinese medicine draws jar

Info

Publication number: CN112742064B
Application number: CN202011610004.3A
Authority: CN
Inventors: 王大冲; 马继红; 郭廷富; 张曦; 李春玲; 刘杨
Original assignee: Anqing Huiyinbi Pharmaceutical Co ltd
Current assignee: Anqing Huiyinbi Pharmaceutical Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-04-26
Anticipated expiration: 2040-12-29
Also published as: CN112742064A

Abstract

The invention provides a traditional Chinese medicine extraction tank which comprises a tank body, a slag outlet door, a lifting mechanism, a self-locking mechanism and a pressurizing sealing mechanism, wherein a feed inlet is formed in the top of the tank body, a slag outlet is formed in the bottom of the tank body, the lifting mechanism is arranged on the side surface of the tank body, the lifting mechanism is connected with the slag outlet door and used for driving the slag outlet door to close and open the slag outlet, the self-locking mechanism can lock and unlock the relative position of the slag outlet door and the tank body according to the change of the internal temperature of the tank body, and the pressurizing sealing mechanism can enable the sealing performance between the slag outlet door and the slag outlet to change along with the change of the internal temperature of the tank body through the pressurizing sealing mechanism along with the change of the internal temperature of the tank body. The invention can avoid the damage to workers caused by opening the slag discharge port when the residual liquid and the dregs of a decoction in the extraction tank are not completely cooled due to carelessness of the workers, solves the problem that the extraction tank is easy to leak or leak under the high-temperature and high-pressure state in the extraction tank, and is worthy of further popularization and application.

Description

Traditional chinese medicine draws jar

Technical Field

The invention relates to the technical field of traditional Chinese medicine extraction equipment, in particular to a traditional Chinese medicine extraction tank.

Background

The extraction tank is a common extraction device in pharmaceutical and chemical industries, and is particularly suitable for extracting components contained in plant products, the working principle of the extraction tank is a simple decoction process, Chinese herbal medicines are soaked in water and heated by steam, effective components are extracted after a certain time, pressurization treatment can be carried out inside the extraction tank for adapting to an extraction process sometimes in the decoction process, at the moment, the extraction tank is easy to leak or leak under the high-temperature and high-pressure state inside the extraction tank, and a sealing device at the sealing position of a slag discharge port of the extraction tank is easy to damage, so that the normal use of the extraction tank is influenced;

draw raffinate and dregs of a decoction after the completion and discharge from the bottom row's of drawing jar cinder notch, raffinate and dregs of a decoction need cool it before discharging from lower part row's cinder notch, just can open the row's cinder notch after waiting to cool off to the uniform temperature and discharge raffinate and dregs of a decoction, however, in actual operation, the operation workman often will arrange the cinder notch and open under the incomplete refrigerated state of raffinate and dregs of a decoction of drawing jar because work tiger and some other reasons, cause certain injury to the staff.

Disclosure of Invention

The invention aims to solve the technical problem of providing a traditional Chinese medicine extraction tank which has strong sealing performance and high-temperature self-locking capacity.

In order to achieve the purpose, the technical scheme of the invention is realized as follows: a traditional Chinese medicine extraction tank comprises a tank body, a slag discharging door, a lifting mechanism, a self-locking mechanism and a pressurizing sealing mechanism, wherein a feed inlet is formed in the top of the tank body, a cover plate capable of opening and closing the feed inlet is arranged on the cover plate, a slag discharging hole is formed in the bottom of the tank body, the slag discharging door is arranged at the bottom of the tank body and used for closing and opening the slag discharging hole, the lifting mechanism is arranged on the side face of the tank body, and the lifting mechanism is connected with the slag discharging door and used for driving the slag discharging door to close and open the slag discharging hole;

self-locking mechanism can be according to the change of the inside temperature of the jar body will the slag tap door with the relative position locking of the jar body is with remove the locking, pressure boost sealing mechanism can be along with the gradual increase of the inside temperature of the jar body and increase gradually the slag tap door with arrange sealing performance between the slag notch, and pressure boost sealing mechanism can be along with the gradual reduction of the inside temperature of the jar body and reduce gradually the slag tap door with arrange sealing performance between the slag notch.

Furthermore, what the slag tap door faced the one side of the jar body is provided with bellied flange all around, self-locking mechanism is including setting up jar internal first pressure boost chamber that is full of gas, seting up corresponding on the inner wall of the bottom of the jar body go out at least one slide opening of flange position department, can slide in the slide opening and with the piston rod of slide opening seal fit with be used for with first pressure boost chamber and each the first breather pipe of bottom intercommunication of slide opening, the corresponding each of flange the jack is seted up respectively to the position department of slide opening, the piston rod can come in and go out the jack.

Further, the slide opening level is seted up on the inner wall of the bottom of the jar body, the slide opening is the echelonment, being close to of slide opening the partial diameter of jar internal wall is great, being close to of slide opening the partial diameter of jar external wall is less, the piston rod include first piston and with the connecting rod that first piston is connected, first piston can slide in the slide opening and with slide opening seal fit, the less part of diameter of slide opening is used for guiding the direction of motion of connecting rod, the ladder shoulder of slide opening with be provided with the spring between the first piston, the spring housing is established on the connecting rod.

Furthermore, the jack is a through hole with two communicated ends.

Furthermore, a first one-way air valve is arranged on the tank body, an air inlet of the first one-way air valve is communicated with outside air, an air outlet of the first one-way air valve is connected with the first pressurizing cavity, when the internal pressure of the first pressurizing cavity is lower than the outside atmospheric pressure, the first one-way air valve is automatically opened, and the outside air enters the first pressurizing cavity.

Further, pressure boost sealing mechanism is including setting up internal second pressure boost chamber of jar, setting are in the hollow seal part of jar body bottom and inciting somebody to action second pressure boost chamber and hollow at least one second breather pipe that seal part communicates, state seal part and have elasticity, the slag tap door pass through seal part realize with arrange the sealing between the cinder notch.

Further, seal member's transversal personally submits C shape, seal member cyclic annular sets up the bottom of the jar body, C shape seal member's opening is down, the correspondence of slagging tap seal member's opening part be provided with the bulge loop of seal member's opening looks adaptation, seal member is made for at least two-layer material, outmost and have elastic ordinary rubber seal material the same, and the material of inlayer is for having good gas tightness and malleable rubber or latex.

Furthermore, the second pressurizing cavity comprises a pressurizing chamber and a pressure transmission chamber, the pressure transmission chamber is located at the top of the pressurizing chamber and is communicated with the pressurizing chamber, at least one pressure transmission chamber is arranged at the top of the pressurizing chamber, the top of the pressure transmission chamber is communicated with the sealing component through the second vent pipe, a second piston capable of sliding up and down and matched with the inner wall of the pressure transmission chamber in a sealing mode is arranged in the cylindrical pressure transmission chamber, dry gas is filled between the second piston and the inner top surface of the pressure transmission chamber, and the same gas as the inside of the pressure transmission chamber and liquid capable of boiling at the working temperature of the tank body are arranged in the pressurizing chamber.

Furthermore, the gas in the pressure transmission chamber is air, at least one second one-way air valve is arranged on the tank body, an air inlet of the second one-way air valve is communicated with outside air, an air outlet of the second one-way air valve is connected with at least one pressure transmission chamber, each pressure transmission chamber is connected with at least one second one-way air valve, when the internal pressure of the pressure transmission chamber is lower than the outside atmospheric pressure, the second one-way air valve is automatically opened, and the outside air enters the pressure transmission chamber.

Furthermore, the lifting mechanism comprises connecting pieces arranged on two sides of the tank body and respectively connected with the tank body and telescopic cylinders arranged on the connecting pieces, and connecting lugs connected with telescopic rods of the telescopic cylinders are fixed on the slag discharging door.

The invention has the beneficial effects that:

the invention can realize locking and unlocking of the relative position of the slag outlet door and the tank body along with the change of the internal temperature of the tank body by arranging the self-locking mechanism, avoids the damage to workers caused by opening the slag outlet when the residual liquid and the dregs of a decoction of the extraction tank are not completely cooled due to carelessness of the workers, ensures that the sealing performance between the slag outlet door and the slag outlet is changed along with the change of the internal temperature of the tank body by arranging the pressurization sealing mechanism, solves the problem that the extraction tank is easy to leak or leak under the high-temperature and high-pressure state in the extraction tank, and is worthy of further popularization and application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a traditional Chinese medicine extracting tank according to an embodiment of the present invention;

fig. 2 is a front view of a traditional Chinese medicine extracting tank according to an embodiment of the present invention;

fig. 3 is a top view of a traditional Chinese medicine extracting tank according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is an enlarged view at C of FIG. 4;

FIG. 6 is a cross-sectional view taken at B-B of FIG. 3;

fig. 7 is an enlarged view at D in fig. 6.

Description of reference numerals:

1-tank body, 11-feed inlet, 12-cover plate, 13-slag outlet, 14-water feeding hole, 2-slag outlet, 21-flange, 22-jack, 23-convex ring, 24-connecting lug, 3-lifting mechanism, 31-connecting piece, 32-telescopic cylinder, 4-self-locking mechanism, 41-first pressurizing cavity, 42-slide hole, 43-piston rod, 431-first piston, 432-connecting rod, 44-first vent pipe, 45-spring, 46-first one-way air valve, 47-partition plate, 5-pressurizing sealing mechanism, 51-second pressurizing cavity, 511-pressurizing cavity, 512-pressure transfer chamber, 5121-second piston, 5122-baffle ring, 52-sealing component and 521-conical joint, 53-second vent pipe, 531-conical connector, 54-second one-way air valve, and 55-plug screw.

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. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. 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.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, "a plurality" means two or more. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the invention.

See fig. 1-7.

The invention relates to a traditional Chinese medicine extraction tank which comprises a tank body 1, a slag outlet door 2, a lifting mechanism 3, a self-locking mechanism 4 and a pressurizing sealing mechanism 5, wherein the top of the tank body 1 is provided with a feed inlet 11 and a cover plate 12 capable of opening and closing the feed inlet 11, the bottom of the tank body 1 is provided with a slag outlet 13, the slag outlet door 2 is arranged at the bottom of the tank body 1 and used for closing and opening the slag outlet 13, the lifting mechanism 3 is arranged on the side surface of the tank body 1, and the lifting mechanism 3 is connected with the slag outlet door 2 and used for driving the slag outlet door 2 to close and open the slag outlet 13;

self-locking mechanism 4 can be according to the change of the inside temperature of the jar body 1 will slag tap 2 with the relative position locking of the jar body 1 with relieve the locking, pressure boost sealing mechanism 5 can be along with the gradual increase of the inside temperature of the jar body 1 and gradually increase slag tap 2 with arrange sealing performance between the slag notch 13, and pressure boost sealing mechanism 5 can be along with the gradual reduction of the inside temperature of the jar body 1 and gradually reduce slag tap 2 with arrange sealing performance between the slag notch 13.

In an embodiment, a raised flange 21 is disposed around a surface of the slag-out door 2 facing the tank 1, the self-locking mechanism 4 includes a first pressurizing cavity 41 filled with gas and disposed in the tank 1, at least one sliding hole 42 formed on an inner wall of a bottom of the tank 1 at a position corresponding to the flange 21, a piston rod 43 capable of sliding in the sliding hole 42 and in sealing fit with the sliding hole 42, and a first vent pipe 44 for communicating the first pressurizing cavity 41 with a bottom of each sliding hole 42, a plug hole 22 is formed at a position corresponding to each sliding hole 42 of the flange 21, and the piston rod 43 can enter and exit the plug hole 22. Design like this, when the internal portion of jar intensifies, the gaseous volume increase that is heated in first pressure boost intracavity produces high pressure at first pressure boost intracavity, the gaseous bottom that gets into the slide opening through first breather pipe in the first pressure boost intracavity, the gaseous promotion piston rod that gets into in the slide opening stretches into to the jack in, thereby realize the relative position locking of slagging tap and the jar body, when the internal portion of jar is cooled down, the gaseous temperature volume reduction of falling of first pressure boost intracavity forms the negative pressure in first pressure boost intracavity, the gaseous first pressure boost intracavity that gets into through first breather pipe in the slide opening, the piston rod returns to in the slide opening, thereby relieve the relative position locking of slagging tap and the jar body.

In an embodiment, the sliding hole 42 is horizontally formed in the inner wall of the bottom of the tank 1, the sliding hole 42 is stepped, a portion of the sliding hole 42 close to the inner wall of the tank 1 has a larger diameter, a portion of the sliding hole 42 close to the outer wall of the tank 1 has a smaller diameter, the piston rod 43 includes a first piston 431 and a connecting rod 432 connected to the first piston 431, the first piston 431 is capable of sliding in the sliding hole 42 and is in sealing fit with the sliding hole 42, the smaller diameter portion of the sliding hole 42 is used for guiding the movement direction of the connecting rod 432, a spring 45 is arranged between a step shoulder of the sliding hole 42 and the first piston 431, and the spring 45 is sleeved on the connecting rod 432. By the design, when the temperature inside the tank body rises, the gas in the sliding hole can push the first piston to move by overcoming the elastic force of the spring, and the temperature threshold value when the relative position of the slag outlet door and the tank body is locked can be effectively controlled by adjusting the elastic force of the spring.

In one embodiment, the insertion hole is a through hole with two ends communicated with each other. Design like this, when the piston rod appears the card and dun can't effectively withdraw from the jack or when the urgent slag outlet door that opens of needs, can make the piston rod withdraw from the jack through the opposite side of jack to remove the relative position locking of slag outlet door and jar body.

In an embodiment, a first one-way air valve 46 is disposed on the tank 1, an air inlet of the first one-way air valve 46 is communicated with the outside air, an air outlet of the first one-way air valve 46 is connected with the first pressurizing cavity 41, when the internal pressure of the first pressurizing cavity 41 is lower than the outside atmospheric pressure, the first one-way air valve 46 is automatically opened, and the outside air enters the first pressurizing cavity 41. Design like this, when the gas pressure emergence loss in the first pressure boost intracavity, can be after the cooling of jar body automatic compensate gas to first pressure boost intracavity portion, simple structure, design benefit.

Preferably, the first pressurizing cavity 41 is arranged at the top position in the tank body 1, the first pressurizing cavity 41 is formed by enclosing a partition plate 47 and the inner wall of the tank body 1, and one surface of the partition plate 47 facing the tank body 1 is a smooth curved surface. Design like this, enclose through the baffle and the inner wall of the jar body and close and form first pressure boost chamber, the inner space in first pressure boost chamber is great and easily processing like this, is slick and sly curved surface through making the baffle towards the internal one side of jar, can make the jar body wash when wasing more easily.

In an embodiment, the pressurization sealing mechanism 5 comprises a second pressurization cavity 51 arranged in the tank body 1, a hollow sealing part 52 arranged at the bottom of the tank body 1 and at least one second vent pipe 53 for communicating the second pressurization cavity 51 with the hollow sealing part 52, the sealing part 52 has elasticity, and the slag outlet door 2 is sealed with the slag outlet 13 through the sealing part 52. The design is that the initial stage is primary sealing between the slag door and the slag discharge hole, which can ensure that no leakage exists between the slag door and the slag discharge hole when the tank body is in a low-temperature normal-pressure state, when the tank body is heated, the heated volume of the gas in the second pressurizing cavity is increased to generate high pressure in the second pressurizing cavity, the gas in the second pressurizing cavity enters the hollow sealing part through the second vent pipe to prop up the sealing part and fill the gap between the slag door and the slag discharge hole, thereby forming good sealing between the slag door and the slag discharge hole, when the tank body is cooled, the gas temperature reduction volume in the second pressurizing cavity is reduced to form negative pressure in the second pressurizing cavity, the gas in the sealing part enters the second pressurizing cavity through the second vent pipe, the slag door and the slag discharge hole are restored to be sealed, and the friction force between the sealing part and the slag door is smaller during primary sealing, sealing member can not lock on the slagging tap door, the slagging tap door breaks away from sealing member more easily, can not cause great wearing and tearing to sealing member, sealing member is difficult for producing the damage, be favorable to sealing member's long-term use, even surface at long-term use back sealing member produces some wearing and tearing, nevertheless under the gaseous state of dashing in inside, the gas that gets into in the sealing member can prop up sealing member and be full of the clearance between slagging tap door and the row's cinder notch, make sealing member can continue to use, the life of sealing member has been prolonged.

In an embodiment, the cross section of the sealing member 52 is C-shaped, the sealing member 52 is annularly arranged at the bottom of the tank body 1, the opening of the C-shaped sealing member 52 faces downward, the opening of the slag door 2 corresponding to the sealing member 52 is provided with a convex ring 23 adapted to the opening of the sealing member 52, the sealing member 52 is made of at least two layers of materials, the outermost layer is made of the same material as an elastic ordinary rubber sealing ring, and the innermost layer is made of rubber or latex with good air tightness and ductility. Design like this, through designing sealing member into C shape, can form better sealed effect when cooperating with the slag outlet door, make through becoming at least two-layer material with sealing member design, make sealing member more wear-resisting durable when guaranteeing that sealing member can produce good sealed effect like this to can not influence sealing member's normal use.

Preferably, the second vent pipes 53 are channels formed in the inner wall of the tank body 1, tapered interfaces 531 are respectively formed at the end portions, close to the sealing part 52, of the second vent pipes 53 corresponding to the tank body 1, tapered joints 521 are respectively arranged at positions, corresponding to the tapered interfaces 531, of the sealing part 52, the tapered joints 521 are matched with the corresponding tapered interfaces 531, and in a working state, the slag discharging door 2 abuts against the sealing part 52 and enables the tapered joints 521 to be attached to the tapered interfaces 531 to form sealing. By the design, the loss of gas in the second pressurizing cavity in the transmission process can be effectively reduced, and the interior of the sealing component can be kept in a high-pressure state for a long time in a working state.

In an embodiment, the second pressurizing cavity 51 includes a pressurizing chamber 511 and a pressure transfer chamber 512, the pressure transfer chamber 512 is located at the top of the pressurizing chamber 511 and is communicated with the pressurizing chamber 511, at least one pressure transfer chamber 512 is provided at the top of the pressurizing chamber 511, the top of the pressure transfer chamber 512 is communicated with the sealing member 52 through the second vent pipe 53, the pressure transfer chamber 512 is provided with a second piston 5121 which can slide up and down in the pressure transfer chamber 512 and is in sealing fit with the inner wall of the pressure transfer chamber 512, a dry gas is filled between the second piston 5121 and the inner top surface of the pressure transfer chamber 512, and the inside of the pressurizing chamber 511 is provided with the same gas as the inside of the pressure transfer chamber 512 and a liquid which can boil at the operating temperature of the tank 1. The design is that when the temperature inside the tank body rises, the heated volume of the gas in the pressurizing chamber and the pressure transmission chamber increases to generate high pressure, the gas in the pressure transmission chamber enters the hollow sealing part through the second vent pipe, when the temperature inside the tank body rises to a certain value, the liquid in the pressurizing chamber boils, the boiling liquid vaporizes to ensure that the pressure in the pressurizing chamber is greater than the pressure in the pressure transmission chamber so as to push the second piston to move upwards in the pressure transmission chamber until the pressure in the pressure transmission chamber is equal to the pressure in the pressure chamber or the second piston is jacked to the topmost surface of the pressure transmission chamber, the second piston moves upwards in the pressure transmission chamber, clean gas in the pressure transmission chamber enters the sealing part to further improve the internal gas pressure of the sealing part, the sealing property between the slag discharging door and the slag discharging port is enhanced, when the temperature inside the tank body falls, the temperature of the liquid and the gas in the pressurizing chamber decreases to form negative pressure, make the second piston remove downwards in pressure transfer chamber, the indoor gas temperature of pressure transfer also reduces the volume simultaneously and forms the negative pressure, and gas entering pressure transfer chamber in the seal part is indoor, finally resumes to preliminary sealing between slagging tap and the row cinder notch, can control the maximum value of the gas quantity that gets into in the seal part like this through setting up pressure transfer chamber, can ensure the quality of the gas that gets into in the seal part simultaneously, makes it can not produce harm to the seal part.

Preferably, a stopper ring 5122 is disposed at the bottom of the pressure transmission chamber 512, and the stopper ring 5122 is used for limiting the position of the second piston 5121 and preventing the second piston 5121 from sliding out of the pressure transmission chamber 512. The design avoids the second piston from sliding out of the pressure transmission chamber, and the structure is simple.

In an embodiment, the gas in the pressure transmission chamber 512 is air, at least one second one-way air valve 54 is disposed on the tank 1, an air inlet of the second one-way air valve 54 is communicated with outside air, an air outlet of the second one-way air valve 54 is connected with at least one pressure transmission chamber 512, at least one second one-way air valve 54 is connected to each pressure transmission chamber 512, when the internal pressure of the pressure transmission chamber 512 is lower than the outside atmospheric pressure, the second one-way air valve 54 is automatically opened, and outside air enters the pressure transmission chamber 512. Design like this, when the loss takes place for the gas pressure in the pressure transmission room, can cool off the back at the jar body and carry out compensating gas to pressure transmission indoor portion automatically, simple structure, design benefit.

Preferably, the tank 1 is provided with a water filling hole 14 communicated with the pressurizing chamber 511, the water filling hole 14 is used for adding liquid into the pressurizing chamber 511 and releasing redundant gas in the pressurizing chamber 511, and the tank 1 is further provided with a screw plug 55 capable of opening and closing the water filling hole 14. By the design, liquid can be added into the pressurizing chamber, and redundant gas in the pressurizing chamber can be released, so that the structure is simple, and the manufacture is easy.

Preferably, the second pressurizing cavity 51 is opened in the inner wall of the tank body 1 and is positioned at the bottom of the tank body 1. By the design, the distance between the second pressurization cavity and the sealing component is small, and the pressure transmission loss is small.

In one embodiment, the lifting mechanism 3 includes connecting pieces 31 disposed at two sides of the tank 1 and respectively connected to the tank 1, and telescopic cylinders 32 installed on the connecting pieces 31, and a connecting lug 24 connected to a telescopic rod of the telescopic cylinder 32 is fixed on the slag tapping door 2. Design like this, the door of slagging tap passes through the engaging lug and is connected with the telescopic link of telescoping cylinder, when needs removal slagging tap, starts the telescoping cylinder, and the telescopic link of telescoping cylinder begins the action and promotes the door of slagging tap and reciprocate, and the design is simple, easily realizes.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A traditional chinese medicine draws jar which characterized in that: the slag-discharging device comprises a tank body (1), a slag-discharging door (2), a lifting mechanism (3), a self-locking mechanism (4) and a pressurizing sealing mechanism (5), wherein a feed inlet (11) is arranged at the top of the tank body (1), a cover plate (12) capable of opening and covering the feed inlet (11) is arranged at the top of the tank body, a slag-discharging hole (13) is formed in the bottom of the tank body (1), the slag-discharging door (2) is arranged at the bottom of the tank body (1) and used for closing and opening the slag-discharging hole (13), the lifting mechanism (3) is arranged on the side face of the tank body (1), and the lifting mechanism (3) is connected with the slag-discharging door (2) and used for driving the slag-discharging door (2) to close and open the slag-discharging hole (13);

the self-locking mechanism (4) can lock and unlock the relative position of the slag outlet door (2) and the tank body (1) according to the change of the internal temperature of the tank body (1), the pressurization sealing mechanism (5) can gradually increase the sealing performance between the slag outlet door (2) and the slag outlet (13) along with the gradual increase of the internal temperature of the tank body (1), and the pressurization sealing mechanism (5) can gradually reduce the sealing performance between the slag outlet door (2) and the slag outlet (13) along with the gradual decrease of the internal temperature of the tank body (1);

facing of slagging tap (2) be provided with bellied flange (21) around the one side of the jar body (1), self-locking mechanism (4) are including setting up the first pressure boost chamber (41) of the full of gas in the jar body (1), set up corresponding on the inner wall of the bottom of the jar body (1) at least one slide opening (42) of flange (21) position department, can slide in slide opening (42) and with slide opening (42) seal fit's piston rod (43) and be used for with first pressure boost chamber (41) and each first breather pipe (44) of the bottom intercommunication of slide opening (42), the corresponding each of flange (21) jack (22) are seted up respectively in the position department of slide opening (42), piston rod (43) can come in and go out jack (22).

2. The extraction pot of traditional Chinese medicine as claimed in claim 1, wherein: the sliding hole (42) is horizontally arranged on the inner wall of the bottom of the tank body (1), the sliding hole (42) is in a step shape, the sliding hole (42) is close to the inner wall of the tank body (1) and is large in partial diameter, the sliding hole (42) is close to the outer wall of the tank body (1) and is small in partial diameter, the piston rod (43) comprises a first piston (431) and a connecting rod (432) connected with the first piston (431), the first piston (431) can slide in the sliding hole (42) and is in sealing fit with the sliding hole (42), the small part of the diameter of the sliding hole (42) is used for guiding the moving direction of the connecting rod (432), a spring (45) is arranged between a step shoulder of the sliding hole (42) and the first piston (431), and the spring (45) is sleeved on the connecting rod (432).

3. The traditional Chinese medicine extraction tank as claimed in claim 1 or 2, wherein: the jack (22) is a through hole with two communicated ends.

4. The traditional Chinese medicine extraction tank as claimed in claim 1 or 2, wherein: the tank body (1) is provided with a first one-way air valve (46), an air inlet of the first one-way air valve (46) is communicated with outside air, an air outlet of the first one-way air valve (46) is connected with the first pressurizing cavity (41), when the internal pressure of the first pressurizing cavity (41) is lower than the outside atmospheric pressure, the first one-way air valve (46) is automatically opened, and the outside air enters the first pressurizing cavity (41).

5. The traditional Chinese medicine extraction tank as claimed in claim 1 or 2, wherein: the pressurizing sealing mechanism (5) comprises a second pressurizing cavity (51) arranged in the tank body (1), a hollow sealing part (52) arranged at the bottom of the tank body (1) and at least one second vent pipe (53) communicated with the second pressurizing cavity (51) and the hollow sealing part (52), the sealing part (52) has elasticity, and the slag outlet door (2) is sealed with the slag outlet (13) through the sealing part (52).

6. The extraction pot of traditional Chinese medicine as claimed in claim 5, wherein: the transversal C of personally submitting of sealing member (52) appears, sealing member (52) cyclic annular setting is in the bottom of the jar body (1), the C shape the opening of sealing member (52) is down, the correspondence of slagging tap (2) the opening part of sealing member (52) be provided with bulge loop (23) of the opening looks adaptation of sealing member (52), sealing member (52) are at least two-layer material and make, and outmost and have elastic ordinary rubber seal material the same, and the material of inlayer is for having good gas tightness and malleable rubber or latex.

7. The extraction pot of traditional Chinese medicine as claimed in claim 5, wherein: the second pressurizing chamber (51) comprises a pressurizing chamber (511) and a pressure transfer chamber (512), the pressure transfer chamber (512) is positioned at the top of the pressurizing chamber (511), and is communicated with the pressurizing chamber (511), at least one pressure transfer chamber (512) arranged at the top of the pressurizing chamber (511), the top of the pressure transmission chamber (512) communicates with the sealing member (52) through the second vent pipe (53), the pressure transmission chamber (512) is provided with a second piston (5121) which can slide up and down in the pressure transmission chamber (512) and is in sealing fit with the inner wall of the pressure transmission chamber (512) in a cylindrical shape, the space between the second piston (5121) and the inner top surface of the pressure transmission chamber (512) is filled with dry gas, the interior of the pressurization chamber (511) is provided with the same gas as the interior of the pressure transfer chamber (512) and a liquid that can boil at the operating temperature of the tank (1).

8. The extraction pot of traditional Chinese medicine as claimed in claim 7, wherein: the gas in the pressure transmission chamber (512) is air, at least one second one-way air valve (54) is arranged on the tank body (1), an air inlet of the second one-way air valve (54) is communicated with outside air, an air outlet of the second one-way air valve (54) is connected with at least one pressure transmission chamber (512), each pressure transmission chamber (512) is connected with at least one second one-way air valve (54), when the internal pressure of the pressure transmission chamber (512) is lower than the outside atmospheric pressure, the second one-way air valve (54) is automatically opened, and the outside air enters the pressure transmission chamber (512).

9. The traditional Chinese medicine extraction tank as claimed in claim 1 or 2, wherein: the lifting mechanism (3) comprises connecting pieces (31) which are arranged on two sides of the tank body (1) and are respectively connected with the tank body (1) and telescopic cylinders (32) which are arranged on the connecting pieces (31), and connecting lugs (24) which are connected with telescopic rods of the telescopic cylinders (32) are fixed on the slag outlet door (2).