CN113413636B - Supercritical extraction control device - Google Patents
Supercritical extraction control device Download PDFInfo
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- CN113413636B CN113413636B CN202110978017.4A CN202110978017A CN113413636B CN 113413636 B CN113413636 B CN 113413636B CN 202110978017 A CN202110978017 A CN 202110978017A CN 113413636 B CN113413636 B CN 113413636B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0403—Solvent extraction of solutions which are liquid with a supercritical fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0484—Controlling means
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Abstract
The invention discloses a supercritical extraction control device, which comprises a supporting base, wherein a balance adjusting cavity with an upward opening and a circular arc shape is arranged in the supporting base, a working plate capable of rotating is arranged on the lower wall in the balance adjusting cavity, the two side adjusting motors are respectively started by positive and negative rotation, the adjusting motors drive an adjusting threaded shaft to rotate, the adjusting threaded shaft rotates and drives an adjusting connecting rod to move through threaded connection, the two side adjusting connecting rods move and drive an extraction box body to shake through hinged connection, the shaking of the extraction box body further promotes the uniform shaking of extraction liquid introduced into the extraction cavity, so that experimental personnel can conveniently carry out extraction experiment work, the levelness of the working plate is detected through the balance plate, and the contact sensor and a switching connecting rod are subjected to contact induction to control the corresponding adjusting motor to start, and the working plate is pushed to deflect so as to reach the horizontal position, thereby providing a horizontal and stable working environment for extraction work.
Description
Technical Field
The invention relates to the technical field of supercritical extraction, in particular to a supercritical extraction control device.
Background
Supercritical fluid is adopted as an ideal extracting agent in supercritical extraction, solvent extraction is carried out by utilizing the influence of pressure and temperature on the dissolving capacity of the supercritical fluid, different components in the solution are extracted at one time, a common supercritical extraction control device has more complex process and more working procedures, the process requirement on operators is higher, an experiment platform cannot be left in the extraction working process, and the common supercritical extraction device cannot well adjust the internal liquid level and the horizontal stability degree of the whole device, so that certain influence can be generated on the final extraction result.
Disclosure of Invention
The present invention is directed to a supercritical extraction control apparatus, which overcomes the above-mentioned shortcomings in the prior art.
The supercritical extraction control device comprises a supporting base, wherein a balance adjusting cavity with an upward opening and a circular arc shape is arranged in the supporting base, a working plate capable of rotating is arranged at the lower wall in the balance adjusting cavity, an extraction box body is fixedly arranged in the working plate, a temperature control plate for temperature control is fixedly connected with the extraction box body and the working plate, a heat transfer plate is fixedly arranged on the lower end surface of the extraction box body, an extraction cavity is arranged in the extraction box body, a liquid level detector is fixedly arranged on the inner wall of the extraction cavity, a liquid inlet pipeline with an outward opening is communicated with the upper side of the left wall of the extraction cavity, a connecting pull rope is arranged in the left wall of the extraction cavity, the left end of the connecting pull rope extends outwards and is fixedly connected with a pull ring, a first sealing plate is fixedly arranged on the upper end surface of the extraction box body, and a pneumatic cylinder with a downward opening is arranged in the first sealing plate, the pneumatic cylinder with extraction chamber upper wall intercommunication, be equipped with the atmospheric pressure piston board that can reciprocate in the pneumatic cylinder, extraction chamber lower wall intercommunication is equipped with the export pipeline of opening backward, left side wall intercommunication is equipped with closed chamber in the export pipeline, closed intracavity is equipped with the second closed plate that can remove about, second closed plate right-hand member face can extend right in the export pipeline and will both sides seal about the export pipeline, be equipped with balanced chamber in the extraction chamber lower wall, be equipped with balanced detection subassembly in the balanced chamber, balanced detection subassembly is used for measuring the roughness of extraction box, the support base upside is equipped with pressure regulating plate, pressure regulating plate is located extraction box right side, be equipped with the pressure regulating storage chamber in the pressure regulating plate, be equipped with the lift piston that can reciprocate in the storage chamber, the last terminal surface fixedly connected with of lift piston connecting rod, the lower wall of the balance adjusting cavity is communicated with an adjusting cavity which is symmetrical with the extraction box body in the front and back direction, a movable adjusting connecting rod is arranged in the adjusting cavity, and the adjusting connecting rod is hinged with the end faces of the front side and the back side of the working plate.
According to the technical scheme, the adjusting cavity is far away from the side wall of the opening and is provided with an adjusting threaded shaft in a rotating mode, the adjusting threaded shaft is in threaded connection with the adjusting connecting rod, an adjusting motor is fixedly arranged in the adjusting cavity far away from the side wall of the opening, and the adjusting threaded shaft is in threaded connection with the adjusting motor.
According to the technical scheme, the balance detection assembly comprises a support connecting rod fixedly arranged on the upper wall of the balance cavity, a spherical clamping ball is fixedly arranged on the lower end face of the support connecting rod, a balance plate capable of overturning is arranged in the balance cavity, a clamping groove with an upward opening is formed in the balance plate, and the clamping ball is connected with the clamping groove.
According to the technical scheme, rolling chutes distributed in an annular arrangement mode are arranged in the balance plate, rolling balls capable of rolling are arranged in the rolling chutes, switching cavities distributed in an annular arrangement mode are arranged in the lower wall of each balance cavity in a communicating mode, switching connecting rods capable of moving up and down are arranged in the switching cavities, the upper end faces of the switching connecting rods upwards extend into the balance cavities and abut against the lower end faces of the balance plate, switching springs are fixedly connected between the lower end faces of the switching connecting rods and the lower wall of the switching cavities, and all the switching cavities are fixedly provided with contact sensors on one side wall.
According to the technical scheme, the second sealing plate left end face is fixedly connected with a sealing connecting rod, a telescopic cavity is arranged in the sealing cavity left wall, the sealing connecting rod left end face extends to the left side of the telescopic cavity and is fixedly connected with a telescopic plate, the telescopic plate left end face is fixedly connected with a telescopic pull rope, the telescopic pull rope is connected with a connecting pull rope, and the telescopic plate left end face is fixedly connected with a telescopic spring between the telescopic cavity left walls.
According to the technical scheme, the inner wall of the pneumatic cylinder is communicated with a moving chute, the outer end face of the air piston plate extends into the moving chute and is connected with the moving chute in a sliding mode, the upper end face of the air piston plate is fixedly connected with a piston rod, a lifting fixing plate is fixedly arranged on the upper end face of the first sealing plate, a lifting chute is arranged in the lifting fixing plate, the upper end face of the piston rod extends into the lifting chute, and a lifting detection plate is fixedly arranged on the inner wall of the lifting chute.
Further technical scheme, the fixed connection board that is equipped with of pressure regulating board up end, be equipped with the detection chamber in the fixed connection board, pressure regulating connecting rod up end upwards extends to detect the intracavity, it is fixed to be equipped with the altitude detector to detect intracavity wall, the storage chamber with the intercommunication is equipped with the connecting tube between the extraction chamber.
According to the technical scheme, the extraction box body and the first sealing plate are distributed with movable connecting rods in an annular arrangement mode, elastic gaskets are arranged in the movable connecting rods and can move and have elasticity, a side wall of the sealing cavity is communicated with a movable sliding groove, a movable connecting rod is arranged in the movable sliding groove and can move, the movable connecting rod has magnetism, one side end face of the movable connecting rod extends into the sealing cavity and is fixedly connected with the elastic gaskets, a side end face of the movable connecting rod is fixedly connected with a movable spring between side walls of the movable sliding groove, and a movable electromagnet is fixedly arranged on one side wall of the movable sliding groove.
The invention has the beneficial effects that:
1. the extraction device is started by respectively rotating the adjusting motors on the two sides in a positive and negative manner, the adjusting motors drive the adjusting threaded shafts to rotate, the adjusting threaded shafts rotate and drive the adjusting connecting rods to move through threaded connection, the adjusting connecting rods on the two sides move and drive the extraction box body to shake through hinged connection, and the shaking of the extraction box body promotes the uniform shaking of extraction liquid introduced into the extraction cavity, so that an experimenter can conveniently carry out extraction experiment work;
2. meanwhile, when the extraction work starts, the balance plate is used for detecting the levelness of the working plate, the contact sensor and the switching connecting rod are used for generating contact induction, the corresponding adjusting motor is controlled to be started, the working plate is pushed to deflect so as to reach the horizontal position, and a horizontal and stable working environment is provided for the extraction work;
3. the liquid level detector is used for detecting the liquid level separation condition of the reagent to be extracted in the extraction cavity, when liquid in the extraction cavity is layered, an experimenter pulls the pull ring, the pull ring pulls the telescopic pull rope through connection, the telescopic pull rope pulls the telescopic plate through connection to overcome the elastic action of the telescopic spring, the telescopic plate moves and drives the sealing plate to move through fixed connection of the sealing connecting rod, the upper side and the lower side of the output pipeline are communicated, one of the liquid extracted and layered in the extraction cavity is separated and discharged and collected through the output pipeline, and the extraction work of the experimenter is facilitated.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic diagram of the overall structure of a supercritical fluid extraction control apparatus according to the present invention;
FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged partial view of the elastomeric pad 31 of the present invention at the location of its components;
FIG. 5 is an enlarged fragmentary view of a second closure plate member of the present invention;
fig. 6 is a partially enlarged schematic view at the balance plate member of the present invention.
Detailed Description
For purposes of making the objects and advantages of the present invention more apparent, the following detailed description of the invention, taken in conjunction with the examples, should be understood that the following text is only intended to describe one supercritical extraction control apparatus or several specific embodiments of the invention, and not to strictly limit the scope of the invention as specifically claimed, as used herein, the terms up, down, left and right are not limited to their strict geometric definitions, but rather include tolerances for reasonable and inconsistent machining or human error, the specific features of which are set forth in detail below:
referring to the attached drawings, the supercritical extraction control device according to the embodiment of the present invention includes a supporting base 11, a balance adjusting cavity 49 with an upward opening and a circular arc shape is provided in the supporting base 11, a working plate 12 capable of rotating is provided at a lower wall in the balance adjusting cavity 49, an extraction box 43 is fixedly provided in the working plate 12, the extraction box 43 and the working plate 12 are fixedly connected and provided with a temperature control plate 37 for performing temperature control, a heat transfer plate 38 is fixedly provided at a lower end face of the extraction box 43, an extraction cavity 36 is provided in the extraction box 43, a liquid level detector 35 is fixedly provided at an inner wall of the extraction cavity 36, a liquid inlet pipeline 32 with an outward opening is provided at an upper side of a left wall of the extraction cavity 36, a connecting pull rope 33 is provided in the left wall of the extraction cavity 36, a left end of the connecting pull rope 33 extends outward and is fixedly connected with a pull ring 34, a first sealing plate 30 is fixedly provided at an upper end face of the extraction box 43, the device is characterized in that a pneumatic cylinder 28 with a downward opening is arranged in the first closing plate 30, the pneumatic cylinder 28 is communicated with the upper wall of the extraction cavity 36, a pneumatic piston plate 23 capable of moving up and down is arranged in the pneumatic cylinder 28, an output pipeline 39 with a backward opening is communicated with the lower wall of the extraction cavity 36, a closing cavity 55 is communicated with the left wall in the output pipeline 39, a second closing plate 40 capable of moving left and right is arranged in the closing cavity 55, the right end face of the second closing plate 40 can extend rightwards into the output pipeline 39 and close the upper side and the lower side of the output pipeline 39, a balance cavity 42 is arranged in the lower wall of the extraction cavity 36, a balance detection assembly is arranged in the balance cavity 42 and used for measuring the flatness of the extraction box body 43, a pressure regulating plate 17 is arranged on the upper side of the supporting base 11, the pressure regulating plate 17 is positioned on the right side of the extraction box body 43, a storage cavity 16 is arranged in the pressure regulating plate 17, the storage chamber 16 is internally provided with a lifting piston 15 capable of moving up and down, the upper end face of the lifting piston 15 is fixedly connected with a pressure regulating connecting rod 18, the lower wall of a balance regulating chamber 49 is communicated with a regulating chamber 47 symmetrical around the extraction box body 43, the regulating chamber 47 is internally provided with a movable regulating connecting rod 45, and the regulating connecting rod 45 is hinged with the front end face and the rear end face of the working plate 12.
Advantageously or exemplarily, an adjusting threaded shaft 46 is rotatably arranged on a side wall of the adjusting cavity 47 away from the opening, the adjusting threaded shaft 46 is in threaded connection with the adjusting link 45, an adjusting motor 48 is fixedly arranged in a side wall of the adjusting cavity 47 away from the opening, and the adjusting threaded shaft 46 is in threaded connection with the adjusting motor 48.
Beneficially or exemplarily, the balance detection assembly includes a support link 60 fixedly disposed on an upper wall of the balance cavity 42, a spherical clamping ball 61 is fixedly disposed on a lower end surface of the support link 60, a reversible balance plate 41 is disposed in the balance cavity 42, a clamping groove 62 with an upward opening is disposed in the balance plate 41, and the clamping ball 61 is connected with the clamping groove 62 in a clamping manner.
Beneficially or exemplarily, rolling chutes 63 are arranged and distributed in an annular arrangement in the balance plate 41, movable rolling balls 64 are arranged in the rolling chutes 63, switching cavities 67 are arranged and distributed in an annular arrangement in communication with the lower wall of the balance cavity 42, switching links 66 capable of moving up and down are arranged in the switching cavities 67, upper end surfaces of the switching links 66 extend upwards into the balance cavity 42 and abut against the lower end surface of the balance plate 41, switching springs 68 are fixedly connected between the lower end surfaces of the switching links 66 and the lower wall of the switching cavities 67, and a side wall of all the switching cavities 67 is fixedly provided with a contact sensor 69.
Beneficially or exemplarily, a closing link 56 is fixedly connected to the left end face of the second closing plate 40, a telescopic cavity 58 is arranged in the left wall of the closing cavity 55, the left end face of the closing link 56 extends leftwards into the telescopic cavity 58 and is fixedly connected with a telescopic plate 57, a telescopic pull rope 59 is fixedly connected to the left end face of the telescopic plate 57, the telescopic pull rope 59 is connected with the connecting pull rope 33, and a telescopic spring 70 is fixedly connected between the left end face of the telescopic plate 57 and the left wall of the telescopic cavity 58.
Beneficially or exemplarily, a moving chute 29 is formed in an inner wall of the pneumatic cylinder 28 in a communicating manner, an outer end surface of the pneumatic piston plate 23 extends into the moving chute 29 and is slidably connected thereto, a piston rod 24 is fixedly connected to an upper end surface of the pneumatic piston plate 23, a lifting fixing plate 27 is fixedly arranged on an upper end surface of the first closing plate 30, a lifting chute 25 is formed in the lifting fixing plate 27, an upper end surface of the piston rod 24 extends into the lifting chute 25, and a lifting detection plate 26 is fixedly arranged on an inner wall of the lifting chute 25.
Beneficially or exemplarily, a fixed connecting plate 19 is fixedly arranged on the upper end surface of the pressure regulating plate 17, a detection cavity 21 is arranged in the fixed connecting plate 19, the upper end surface of the pressure regulating connecting rod 18 extends upwards into the detection cavity 21, a height detector 20 is fixedly arranged on the inner wall of the detection cavity 21, and a connecting pipeline 22 is arranged between the storage cavity 16 and the extraction cavity 36 in a communicating manner.
Beneficially or exemplarily, moving connecting rods 51 are distributed between the extraction box 43 and the first closing plate 30 in an annular arrangement, a movable elastic gasket 31 with elasticity is arranged in the moving connecting rods 51, a moving sliding groove 54 is arranged in communication with one side wall of the sealing cavity 50, a movable moving connecting rod 51 is arranged in the moving sliding groove 54, the moving connecting rods 51 have magnetism, one side end face of each moving connecting rod 51 extends into the sealing cavity 50 and is fixedly connected with the elastic gasket 31, a moving spring 52 is fixedly connected between one side end face of each moving connecting rod 51 and one side wall of the corresponding moving sliding groove 54, and a moving electromagnet 53 is fixedly arranged on one side wall of the corresponding moving sliding groove 54.
The supercritical extraction control device of the invention has the following working procedures:
when the device works, the supporting base 11 is integrally and stably placed on a workbench, the connecting pipeline 13 is connected with a supercritical fluid input pipeline at the moment, the general supercritical fluid adopts carbon dioxide gas as a raw material, the liquid inlet pipeline 32 is connected with a reagent pipeline to be extracted, the reagent to be extracted is input into the extraction cavity 36 at the moment, if the reagent needs to shake and evenly shake, the adjusting motors 48 on the two sides respectively start up in forward and reverse rotation at the moment, the adjusting motors 48 drive the adjusting threaded shafts 46 to rotate at the moment, the adjusting threaded shafts 46 rotate and drive the adjusting connecting rods 45 to move through threaded connection at the moment, the adjusting connecting rods 45 on the two sides move and drive the extraction box body 43 to shake through hinged connection at the moment, the shaking of the extraction box body 43 is promoted to evenly shake the extraction liquid introduced into the extraction cavity 36, and the movable electromagnet 53 is started and has magnetism at the moment, at this time, the movable connecting rod 51 is pushed by the repulsion of the magnetic force of the movable electromagnet 53, the movable connecting rod 51 moves inwards against the elastic force of the movable spring 52, at this time, the movable connecting rod 51 is fixedly connected with the movable elastic gasket 31 to move, and the elastic gasket 31 deforms to stably seal the sealed cavity 50 with the outside, so as to improve the airtight stability inside the extraction cavity 36, at this time, the air pressure inside the air pressure cylinder 28 is detected through the air pressure piston plate 23, at this time, the air pressure piston plate 23 drives the piston rod 24 to move upwards under the pushing of the air pressure, at this time, the piston rod 24 moves upwards and detects the moving position of the piston rod 24 through the lifting detection plate 26, at this time, the supercritical fluid is input into the storage cavity 16 through the connecting pipeline 13, the air pressure inside the storage cavity 16 is detected through the lifting piston 15, and the moving height of the piston rod 24 is detected as a reference through the lifting detection plate 26, further controlling the moving position of the pressure adjusting connecting rod 18 to reach the same height, so as to keep the air pressure in the storage chamber 16 and the air pressure in the extraction chamber 36 at the same air pressure, when the extraction operation starts, detecting the levelness of the working plate 12 by the balance plate 41, at this time, if the working plate 12 is not placed horizontally, changing the direction of the gravity borne by the moving balls 64 inside the balance plate 41, at this time, moving the moving balls 64 in the rolling chute 63, at this time, balancing the gravity inside the balance plate 41 is unbalanced, and deflecting by the clamping connection of the clamping groove 62 and the clamping balls 61, at this time, the balance plate 41 pushes the switching connecting rod 66 on one side in the turning direction to move against the elastic force of the switching spring 68, and contacts and senses with the switching connecting rod 66 through the contact sensor 69, controlling the corresponding adjusting motor 48 to start, and pushing the working plate 12 to deflect to reach the horizontal position, so as to provide a horizontal stable operating environment for the extraction operation, at the moment, the extraction work is started, the supercritical fluid in the storage chamber 16 is input into the extraction chamber 36 through the connecting pipeline 22, the liquid level separation condition of the reagent to be extracted in the extraction chamber 36 is detected through the liquid level detector 35, after the liquid in the extraction chamber 36 is layered, an experimenter pulls the pull ring 34 at the moment, the pull ring 34 pulls the telescopic pull rope 59 through connection, the telescopic pull rope 59 moves through the connection pulling telescopic plate 57 against the elastic force of the telescopic spring 70, the telescopic plate 57 moves and drives the second sealing plate 40 to move through the fixed connection of the sealing connecting rod 56, the upper side and the lower side of the output pipeline 39 are communicated, one of the layered liquid extracted in the extraction chamber 36 is separated and collected through the output pipeline 39, then the temperature control plate 37 can be started, the extraction temperature in the extraction chamber 36 is changed, and different liquid components are separated through temperature change and extraction, thereby facilitating the extraction work of experimenters.
The invention has the beneficial effects that:
1. the extraction device is started by respectively rotating the adjusting motors on the two sides in a positive and negative manner, the adjusting motors drive the adjusting threaded shafts to rotate, the adjusting threaded shafts rotate and drive the adjusting connecting rods to move through threaded connection, the adjusting connecting rods on the two sides move and drive the extraction box body to shake through hinged connection, and the shaking of the extraction box body promotes the uniform shaking of extraction liquid introduced into the extraction cavity, so that an experimenter can conveniently carry out extraction experiment work;
2. meanwhile, when the extraction work starts, the balance plate is used for detecting the levelness of the working plate, the contact sensor and the switching connecting rod are used for generating contact induction, the corresponding adjusting motor is controlled to be started, the working plate is pushed to deflect so as to reach the horizontal position, and a horizontal and stable working environment is provided for the extraction work;
3. the liquid level detector is used for detecting the liquid level separation condition of the reagent to be extracted in the extraction cavity, when liquid in the extraction cavity is layered, an experimenter pulls the pull ring, the pull ring pulls the telescopic pull rope through connection, the telescopic pull rope pulls the telescopic plate through connection to overcome the elastic action of the telescopic spring, the telescopic plate moves and drives the sealing plate to move through fixed connection of the sealing connecting rod, the upper side and the lower side of the output pipeline are communicated, one of the liquid extracted and layered in the extraction cavity is separated and discharged and collected through the output pipeline, and the extraction work of the experimenter is facilitated.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (5)
1. The utility model provides a supercritical fluid extraction controlling means, includes the support base, its characterized in that: the support base is internally provided with a balance adjustment cavity with an upward opening and a circular arc shape, the lower wall in the balance adjustment cavity is provided with a working plate capable of rotating, the working plate is internally and fixedly provided with an extraction box body, the extraction box body is fixedly connected with the working plate and provided with a temperature control plate for temperature control, the lower end face of the extraction box body is fixedly provided with a heat transfer plate, the extraction box body is internally provided with an extraction cavity, the inner wall of the extraction cavity is fixedly provided with a liquid level detector, the upper side of the left wall of the extraction cavity is communicated with a liquid inlet pipeline with an outward opening, the left wall of the extraction cavity is internally provided with a connection stay cord, the left end of the connection stay cord extends outwards and is fixedly connected with a pull ring, the upper end face of the extraction box body is fixedly provided with a first sealing plate, the first sealing plate is internally provided with a pneumatic cylinder with a downward opening, the pneumatic cylinder is communicated with the upper wall of the extraction cavity, and the pneumatic piston plate capable of moving up and down is arranged in the pneumatic cylinder, the extraction chamber lower wall is communicated with an output pipeline with a backward opening, the output pipeline inner left wall is communicated with a closed chamber, a second closed plate capable of moving left and right is arranged in the closed chamber, the right end face of the second closed plate can extend right into the output pipeline and seal the upper side and the lower side of the output pipeline, a balance chamber is arranged in the extraction chamber lower wall, a balance detection assembly is arranged in the balance chamber and used for measuring the flatness of the extraction box body, a pressure regulating plate is arranged on the upper side of the supporting base and located on the right side of the extraction box body, a storage chamber is arranged in the pressure regulating plate, a lifting piston capable of moving up and down is arranged in the storage chamber, a pressure regulating connecting rod is fixedly connected to the upper end face of the lifting piston, and a regulating chamber symmetrical to the front and the back of the extraction box body is communicated with the lower wall of the balance regulating chamber, the adjusting cavity is internally provided with a movable adjusting connecting rod, and the adjusting connecting rod is hinged with the front side end face and the rear side end face of the working plate;
an adjusting threaded shaft is rotatably arranged on one side wall of the adjusting cavity, which is far away from the opening, and is in threaded connection with the adjusting connecting rod;
the balance detection assembly comprises a supporting connecting rod fixedly arranged on the upper wall of the balance cavity, a spherical clamping ball is fixedly arranged on the lower end face of the supporting connecting rod, a balance plate capable of being turned over is arranged in the balance cavity, a clamping groove with an upward opening is formed in the balance plate, and the clamping ball is connected with the clamping groove in a clamping mode;
the improved switching device is characterized in that a rolling chute distributed in an annular arrangement mode is arranged in the balance plate, movable balls capable of rolling are arranged in the rolling chute, a switching cavity distributed in an annular arrangement mode is arranged in the lower wall of the balance cavity in a communicating mode, a switching connecting rod capable of moving up and down is arranged in the switching cavity, the upper end face of the switching connecting rod upwards extends into the balance cavity and is abutted to the lower end face of the balance plate, a switching spring is fixedly connected between the lower end face of the switching connecting rod and the lower wall of the switching cavity, and a contact sensor is fixedly arranged on one side wall of the switching cavity.
2. The supercritical extraction control apparatus according to claim 1, wherein: the second closing plate left end face fixedly connected with closing link, be equipped with flexible chamber in the closing chamber left wall, closing link left end face extends to left flexible intracavity and fixedly connected with expansion plate, expansion plate left end face fixedly connected with flexible stay cord, flexible stay cord with connect the stay cord and connect, expansion plate left end face with fixedly connected with expanding spring between the flexible chamber left wall.
3. The supercritical extraction control apparatus according to claim 2, wherein: the pneumatic cylinder inner wall intercommunication is equipped with the removal spout, the outer terminal surface of air piston board extends to in the removal spout and sliding connection, air piston board up end fixedly connected with piston rod, the fixed lift fixed plate that is equipped with of first shut up plate up end, be equipped with the lift spout in the lift fixed plate, the piston rod up end extends to in the lift spout, the fixed lift pick-up plate that is equipped with of lift spout inner wall.
4. The supercritical extraction control apparatus according to claim 3, wherein: the fixed connection board that is equipped with of pressure regulating board up end, be equipped with the detection chamber in the fixed connection board, pressure regulating connecting rod up end upwards extends to detect the intracavity, it is equipped with the altitude detector to detect intracavity wall fixing, the storage chamber with the intercommunication is equipped with the connecting tube between the extraction chamber.
5. The apparatus of claim 4, wherein: the extraction box with it has the removal connecting rod to arrange the distribution annularly between the first closing plate, be equipped with in the removal connecting rod and remove and have elastic gasket, a sealed chamber lateral wall intercommunication is equipped with the removal spout, be equipped with the removal connecting rod that can remove in the removal spout, the removal connecting rod has magnetism, a removal connecting rod lateral surface extend to sealed intracavity and with elastic gasket fixed connection, a removal connecting rod lateral surface with fixedly connected with removes the spring between a removal spout lateral wall, a removal spout lateral wall is fixed and is equipped with the removal electro-magnet.
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| CN113413636B true CN113413636B (en) | 2021-10-29 |
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| CN107617455A (en) * | 2017-10-30 | 2018-01-23 | 叶玉妹 | A kind of middle school chemical experiment iron stand |
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Denomination of invention: A Supercritical Extraction Control Device Effective date of registration: 20230731 Granted publication date: 20211029 Pledgee: Haian Xinyuan rural small loan Co.,Ltd. Pledgor: Nantong Xinhuacheng scientific research instrument Co.,Ltd. Registration number: Y2023980050198 |