CN113440888A - Supercritical extraction reaction kettle - Google Patents
Supercritical extraction reaction kettle Download PDFInfo
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- CN113440888A CN113440888A CN202110921828.0A CN202110921828A CN113440888A CN 113440888 A CN113440888 A CN 113440888A CN 202110921828 A CN202110921828 A CN 202110921828A CN 113440888 A CN113440888 A CN 113440888A
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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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Abstract
The invention discloses a supercritical extraction reaction kettle, which comprises a kettle body, wherein a kettle cover is arranged on the upper side of the kettle body, a stirring mechanism positioned in the kettle body is arranged on the lower side of the kettle cover, and a sealing mechanism is arranged in the kettle cover; the invention realizes the overturning and stirring of the extracted substance in the horizontal and vertical directions through the rotation of the stirring mechanism, thereby fully contacting the extracted substance with the extracting agent, improving the extraction efficiency and shortening the extraction time, simultaneously utilizing the pressure measuring block to sense the air pressure in the extraction cavity, overcoming the elasticity of a pressure measuring block spring to move upwards to touch the contact switch when the air pressure in the extraction cavity is overhigh, and driving the magnetic blocking block to move leftwards to block the super-fluid input cavity, thereby enabling the super-fluid to not enter the extraction cavity through the super-fluid input cavity, and avoiding the explosion of the reaction kettle caused by overhigh air pressure in the extraction cavity.
Description
Technical Field
The invention relates to the technical field related to solvent extraction equipment, in particular to a supercritical extraction reaction kettle.
Background
Supercritical extraction is an extraction separation technique. Supercritical fluid, that is, fluid in thermodynamic state with temperature higher than critical temperature and pressure higher than critical pressure, is used as extractant to extract specific components from liquid or solid for separation. At present, a stirring mechanism in the reaction kettle for supercritical extraction can only stir in the horizontal direction generally, so that the contact between an extracted substance and an extracting agent is insufficient, the extraction efficiency is low, the extraction time is long, and meanwhile, in the extraction process, in order to avoid overhigh pressure in the reaction kettle, an operator needs to observe the pressure in the reaction kettle all the time, the labor capacity of the operator is increased, and the operation efficiency of the operator is influenced.
Disclosure of Invention
The invention aims to provide a supercritical extraction reaction kettle, which is used for overcoming the defects in the prior art.
The supercritical extraction reaction kettle comprises a kettle body, wherein a kettle cover is arranged on the upper side of the kettle body, a stirring mechanism positioned in the kettle body is arranged on the lower side of the kettle cover, and a sealing mechanism is arranged in the kettle cover;
the stirring mechanism comprises an annular bevel gear seat fixed on the lower end surface of the kettle cover, a bevel gear transmission box is rotatably matched at the tail end of the lower side of the annular bevel gear seat, stirring rod fixing seats which are bilaterally symmetrical by taking the bevel gear transmission box as a center are arranged on the outer side of the bevel gear transmission box, and the stirring mechanism is used for stirring an extracted substance;
the sealing mechanism comprises a pressure measuring block arranged in the kettle cover, an elastic force adjusting slide block is arranged on the upper side of the pressure measuring block, a magnetic blocking block is arranged on the left side of the elastic force adjusting slide block, and the sealing mechanism is used for automatically preventing the supercritical carbon dioxide fluid from entering the kettle body according to the air pressure in the kettle body.
A further technical scheme, be equipped with the ascending extraction chamber of opening in the cauldron body, be fixed with the discharging pipe on the cauldron body downside, extraction chamber downside intercommunication is equipped with downwardly extending in the discharging tube, and the decurrent unloading chamber of opening, be fixed with the ooff valve on the discharging tube inner wall, be fixed with on the disc outside the cauldron body with the discharging pipe sets up and is located for central annular the terminal kettle cover fixing base of cauldron body upside, articulated in the kettle cover fixing base have with the discharging pipe is central bilateral symmetry's fastening bolt, be fixed with on the extraction intracavity wall and carry the thing board, the extraction chamber left and right sides all communicates and is equipped with atmospheric pressure balance and leads to the chamber.
According to the technical scheme, one end of the air pressure balance through cavity is located on the upper side of the carrying plate, and the other end of the air pressure balance through cavity is located on the lower side of the carrying plate, so that the left and right pressure intensities of the carrying plate are kept consistent.
According to the further technical scheme, a plurality of capillary holes which are distributed at equal intervals are arranged in the carrying plate and used for the supercritical carbon dioxide fluid after extraction to pass through.
Further technical scheme, be provided with two in the kettle cover link up from top to bottom and the opening outwards with the discharging pipe is central bilateral symmetry's bolt-up chamber, be fixed with the motor cabinet on the kettle cover up end, be provided with the motor in the motor cabinet, the motor downside be provided with motor cabinet fixed connection's shaft coupling, the motor with be fixed with the motor shaft between the shaft coupling, the kettle cover up end still is fixed with and is located the left superfluid input tube of motor cabinet, it link up from top to bottom and upwards extends and run through to be equipped with in the kettle cover superfluid input chamber of superfluid input tube.
In a further technical scheme, the stirring mechanism further comprises an annular bevel gear arranged in the bevel gear transmission box, a bevel gear transmission cavity is arranged in the bevel gear transmission box, the annular bevel gear seat extends downwards into the bevel gear transmission cavity, the annular bevel gear is fixed on the lower end face of the annular bevel gear seat, a stirring transmission shaft which extends downwards and penetrates through the kettle cover, the annular bevel gear seat and the annular bevel gear to the bevel gear transmission cavity is fixed on the lower end face of the coupler, a driven bevel gear shaft which extends outwards and penetrates through the bevel gear transmission cavity to the outside is rotationally matched at the tail end of the lower side of the stirring transmission shaft, driven bevel gears which are bilaterally symmetrical with the stirring transmission shaft and meshed with the annular bevel gear are fixed on the driven bevel gear shaft, the left and right stirring rod fixing seats are respectively fixed on the left and right end faces of the driven bevel gear shaft, and three stirring rods which are distributed at equal intervals from top to bottom are fixed on the end surface of the stirring rod fixing seat far away from the bevel gear transmission box.
Further technical scheme, the closing mechanism still including set up in manometer block slide bar in the kettle cover, be equipped with in the kettle cover and be located manometer block sliding chamber on agitator drive shaft right side, manometer block sliding chamber downside intercommunication is equipped with the decurrent atmospheric pressure of opening and leads to the chamber, manometer block slide bar is fixed in on the manometer block sliding chamber upper end wall, the manometer block respectively with manometer block sliding chamber and it is vice to form a pair of slip between the manometer block slide bar, be fixed with contact switch on the manometer block sliding chamber left end wall, elasticity adjustment slider with manometer block slide bar forms a pair of slip pair, manometer block sliding chamber upper end wall normal running fit downwardly extends the upwards carousel axle to external in the manometer block sliding chamber.
According to the technical scheme, a turntable is fixed at the tail end of the upper side of a turntable shaft, the turntable shaft is located at one section of a pressure measuring block sliding cavity and is connected with an elastic adjusting sliding block in a matched mode through threads, a pressure measuring block spring is fixed between the lower end face of the elastic adjusting sliding block and the upper end face of the pressure measuring block, a blocking block sliding cavity is formed in the right side of a superfluid input cavity in a communicated mode, an electromagnet is fixed on the right end wall of the blocking block sliding cavity, a pair of sliding pairs is formed between the magnetic blocking block and the blocking block sliding cavity, and a blocking block spring is fixed between the right end face of the magnetic blocking block and the electromagnet.
In a further technical scheme, the turntable is engraved with a numerical value which represents the pressure in the extraction chamber.
The invention has the beneficial effects that: the invention realizes the overturning and stirring of the extracted substance in the horizontal and vertical directions through the rotation of the stirring mechanism, thereby fully contacting the extracted substance with the extracting agent, improving the extraction efficiency and shortening the extraction time, simultaneously utilizing the pressure measuring block to sense the air pressure in the extraction cavity, overcoming the elasticity of a pressure measuring block spring to move upwards to touch the contact switch when the air pressure in the extraction cavity is overhigh, and driving the magnetic blocking block to move leftwards to block the super-fluid input cavity, thereby enabling the super-fluid to not enter the extraction cavity through the super-fluid input cavity, and avoiding the explosion of the reaction kettle caused by overhigh air pressure in the extraction cavity.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the overall structure of a supercritical extraction reactor according to the present invention;
FIG. 3 is an enlarged partial schematic view of A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged partial schematic view of B of FIG. 2 in accordance with the present invention;
fig. 5 is a partially enlarged view of C of fig. 2 according to 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, is to be understood that the following text is only intended to describe one or more specific embodiments of the invention, and is not intended to strictly limit the scope of the invention as specifically claimed, and as used herein, the terms upper, lower, left and right are not limited to strict geometric definitions thereof, but rather include tolerances for reasonable and inconsistent machining or human error, the following being a detailed description of specific features of such a supercritical extraction reactor:
referring to the attached drawings, the supercritical extraction reaction kettle according to the embodiment of the invention comprises a kettle body 10, wherein a kettle cover 20 is arranged on the upper side of the kettle body 10, a stirring mechanism positioned in the kettle body 10 is arranged on the lower side of the kettle cover 20, and a sealing mechanism is arranged in the kettle cover 20;
the stirring mechanism comprises an annular bevel gear seat 30 fixed on the lower end face of the kettle cover 20, a bevel gear transmission box 38 is rotatably matched at the tail end of the lower side of the annular bevel gear seat 30, stirring rod fixing seats 32 which are bilaterally symmetrical by taking the bevel gear transmission box 38 as a center are arranged on the outer side of the bevel gear transmission box 38, and the stirring mechanism is used for stirring the extracted matter;
the sealing mechanism comprises a pressure measuring block 56 arranged in the kettle cover 20, an elastic force adjusting slide block 59 is arranged on the upper side of the pressure measuring block 56, a magnetic blocking block 50 is arranged on the left side of the elastic force adjusting slide block 59, and the sealing mechanism is used for automatically preventing the supercritical carbon dioxide fluid from entering the kettle body 10 according to the air pressure in the kettle body 10.
Exemplarily, be equipped with the ascending extraction chamber 11 of opening in the cauldron body 10, be fixed with discharging pipe 13 on the cauldron body 10 downside, extraction chamber 11 downside intercommunication is equipped with downwardly extending to discharging pipe 13 is interior, and the decurrent unloading chamber 14 of opening, be fixed with ooff valve 15 on the discharging pipe 13 inner wall, be fixed with on the outer disc of cauldron body 10 with discharging pipe 13 sets up and is located for central annular the terminal kettle cover fixing base 17 of cauldron body 10 upside, articulated in the kettle cover fixing base 17 have with discharging pipe 13 is central bilateral symmetry's fastening bolt 18, be fixed with on the extraction chamber 11 inner wall and carry thing board 16, extraction chamber 11 left and right sides intercommunication is equipped with bilateral symmetry's atmospheric pressure balance and leads to chamber 12.
Illustratively, one end of the air pressure balance through cavity 12 is located at the upper side of the loading plate 16, and the other end is located at the lower side of the loading plate 16, so that the left and right side pressures of the loading plate 16 are kept consistent.
Illustratively, a plurality of equally spaced capillary holes are provided in the carrier plate 16 for the passage of the supercritical carbon dioxide fluid after extraction.
Exemplarily, be provided with two in the kettle cover 20 and link up from top to bottom and the opening outwards with discharging pipe 13 is central bilateral symmetry's bolt-up chamber 21, be fixed with motor cabinet 40 on the kettle cover 20 up end, be provided with motor 41 in the motor cabinet 40, motor 41 downside be provided with motor cabinet 40 fixed connection's shaft coupling 43, motor 41 with be fixed with motor shaft 42 between the shaft coupling 43, kettle cover 20 up end still is fixed with and is located the left superfluid input pipe 22 of motor cabinet 40, be equipped with in the kettle cover 20 and link up from top to bottom and upwards extend and run through superfluid input chamber 23 of superfluid input pipe 22.
Illustratively, the stirring mechanism further comprises an annular bevel gear 34 arranged in the bevel gear transmission box 38, a bevel gear transmission cavity 37 is arranged in the bevel gear transmission box 38, the annular bevel gear seat 30 extends downwards into the bevel gear transmission cavity 37, the annular bevel gear 34 is fixed on the lower end surface of the annular bevel gear seat 30, a stirring transmission shaft 31 extending downwards and penetrating through the kettle cover 20, the annular bevel gear seat 30 and the annular bevel gear 34 into the bevel gear transmission cavity 37 is fixed on the lower end surface of the coupler 43, a driven bevel gear shaft 35 extending outwards and penetrating through the bevel gear transmission cavity 37 to the outside is rotationally matched at the lower end of the stirring transmission shaft 31, driven bevel gears 36 which are bilaterally symmetrical with the stirring transmission shaft 31 and meshed with the annular bevel gear 34 are fixed on the driven bevel gear shaft 35, the left and right stirring rod fixing seats 32 are respectively fixed on the left and right end faces of the driven bevel gear shaft 35, and three stirring rods 33 which are distributed at equal intervals are fixed on the end faces of the stirring rod fixing seats 32 far away from the bevel gear transmission box 38.
Exemplarily, the closing mechanism is further including set up in pressure cell slide bar 53 in kettle cover 20, be equipped with in kettle cover 20 and be located pressure cell sliding chamber 25 on stirring transmission shaft 31 right side, pressure cell sliding chamber 25 downside intercommunication is equipped with the decurrent atmospheric pressure of opening and leads to chamber 26, pressure cell slide bar 53 is fixed in on the pressure cell sliding chamber 25 upper end wall, pressure cell 56 respectively with pressure cell sliding chamber 25 and form a pair of sliding pair between pressure cell slide bar 53, be fixed with contact switch 58 on the pressure cell sliding chamber 25 left end wall, elasticity adjustment slider 59 with pressure cell slide bar 53 forms a pair of sliding pair, pressure cell sliding chamber 25 upper end wall normal running fit down to the inside carousel axle 54 that upwards extends to the external world of pressure cell sliding chamber 25.
Illustratively, a rotary disc 55 is fixed at the end of the upper side of the rotary disc shaft 54, a section of the rotary disc shaft 54 located in the pressure measuring block sliding cavity 25 is connected with the elastic force adjusting slide block 59 in a threaded fit manner, a pressure measuring block spring 57 is fixed between the lower end surface of the elastic force adjusting slide block 59 and the upper end surface of the pressure measuring block 56, a blocking block sliding cavity 24 is communicated with the right side of the superfluid input cavity 23, an electromagnet 52 is fixed on the right end wall of the blocking block sliding cavity 24, a pair of sliding pairs is formed between the magnetic blocking block 50 and the blocking block sliding cavity 24, and a blocking block spring 51 is fixed between the right end surface of the magnetic blocking block 50 and the electromagnet 52.
Illustratively, the turntable 55 is engraved with a value representing the pressure inside the extraction chamber 11.
The supercritical extraction reaction kettle provided by the invention has the following working process:
in the initial state of the invention, the lower end face of the pressure measuring block 56 is attached to the lower end wall of the pressure measuring block sliding cavity 25, the pressure measuring block spring 57 is in a compressed state, the electromagnet 52 is in a power-off state, the blocking block spring 51 is in a relaxed state, and the magnetic blocking block 50 is positioned in the blocking block sliding cavity 24.
Opening kettle cover 20, putting the extract on carrying board 16, covering kettle cover 20, clamping fastening bolt 18 into bolt fastening cavity 21, and screwing up the nut, so that kettle cover 20 is tightly attached to the upper end surface of kettle cover fixing seat 17.
And (3) connecting the supercritical carbon dioxide fluid input pipe 22 with an output pipe of the supercritical carbon dioxide fluid, connecting the discharge pipe 13 with an input pipe of the separation kettle, closing the switch valve 15, and starting the supercritical carbon dioxide fluid output pump, so that the supercritical carbon dioxide fluid is input into the extraction cavity 11.
Simultaneously, starter motor 41 for motor 41 drives motor shaft 42 and rotates, thereby drives shaft coupling 43 and rotates, and then makes agitator drive shaft 31 rotate, thereby makes driven bevel gear axle 35 use agitator drive shaft 31 to rotate as the center, thereby drives puddler fixing base 32 and uses agitator drive shaft 31 to rotate as the center, and then makes puddler 33 use agitator drive shaft 31 to rotate as the center.
When driven bevel gear axle 35 uses stirring transmission shaft 31 to rotate as the center, driven bevel gear axle 35 drives driven bevel gear 36 and uses stirring transmission shaft 31 to rotate as the center, thereby make driven bevel gear 36 rotation, and then drive driven bevel gear axle 35 rotation, thereby make puddler fixing base 32 rotation, thereby it uses driven bevel gear axle 35 to rotate on vertical direction as the center to drive puddler 33, thereby realized puddler 33 and using driven bevel gear axle 35 to rotate as the center in vertical direction when using stirring transmission shaft 31 to rotate as center level, thereby make the extract that is on carrying thing board 16 overturn in extraction chamber 11 fully, and then make by extract and supercritical carbon dioxide fluid fully contact, improve extraction efficiency.
During the extraction process, due to the property of the supercritical fluid, the extracted supercritical carbon dioxide fluid can flow into the underside of the carrier plate 16 through the capillary holes in the carrier plate 16, so that the extracted supercritical carbon dioxide fluid is gathered at the underside of the carrier plate 16.
The capillary holes on the object carrying plate 16 prevent impurities of the liquid extracted matter from entering the lower side of the object carrying plate 16, so that the extraction purity is improved, and meanwhile, the air pressure balance through cavity 12 which is communicated with the upper side and the lower side of the object carrying plate 16 prevents the liquid extracted matter from being squeezed into the capillary holes and flowing into the lower side of the object carrying plate 16 due to the pressure on the upper side of the object carrying plate 16 when the liquid extracted matter is extracted.
At this time, the on-off valve 15 is opened, so that the supercritical carbon dioxide fluid flows into the separation vessel through the discharge pipe 13 for separation after extraction from the lower side of the loading plate 16.
If in the extraction process, when the pressure in the extraction chamber 11 is too big, make the side pressure under the pressure measuring block 56 be greater than the elasticity of pressure measuring block spring 57, thereby make pressure measuring block 56 overcome the elasticity upward movement of pressure measuring block spring 57 to touch contact switch 58, and then make electromagnet 52 start, thereby make electromagnet 52 have the electric repulsion magnetism shutoff piece 50, make magnetism shutoff piece 50 overcome the pulling force of shutoff piece spring 51 and move to the super fluid input chamber 23 left, thereby make the super critical carbon dioxide fluid can't get into in the extraction chamber 11 through super fluid input chamber 23, thereby avoid the interior pressure of extraction chamber 11 to continuously rise and lead to the cauldron body 10 to break.
After the pressure in the extraction chamber 11 is recovered to normal, the pressure measuring block 56 moves downwards to the initial position under the elastic force of the pressure measuring block spring 57, the contact switch 58 is not touched by the pressure measuring block 56, so that the electromagnet 52 is closed, the magnetic blocking block 50 moves rightwards to the initial position under the tensile force of the blocking block spring 51, the supercritical carbon dioxide fluid can enter the extraction chamber 11 again through the supercritical fluid input chamber 23, the pressure in the extraction chamber 11 can be maintained within a certain range, and the smooth proceeding of the extraction reaction is ensured.
Because the pressure intensity in the extraction cavity 11 is different for different extracted substances, at the moment, the turntable 55 can be rotated to the value of the required pressure intensity, the turntable shaft 54 is rotated by rotating the turntable 55, so that the elastic force adjusting slide block 59 is driven to move up and down, the compression distance of the pressure measuring block spring 57 is changed, the elastic force given to the pressure measuring block 56 by the pressure measuring block spring 57 is changed, the maximum pressure intensity in the extraction cavity 11 when the pressure measuring block 56 rises is changed, and the applicability of the device is improved.
The invention has the beneficial effects that: the invention realizes the overturning and stirring of the extracted substance in the horizontal and vertical directions through the rotation of the stirring mechanism, thereby fully contacting the extracted substance with the extracting agent, improving the extraction efficiency and shortening the extraction time, simultaneously utilizing the pressure measuring block to sense the air pressure in the extraction cavity, overcoming the elasticity of a pressure measuring block spring to move upwards to touch the contact switch when the air pressure in the extraction cavity is overhigh, and driving the magnetic blocking block to move leftwards to block the super-fluid input cavity, thereby enabling the super-fluid to not enter the extraction cavity through the super-fluid input cavity, and avoiding the explosion of the reaction kettle caused by overhigh air pressure in the extraction cavity.
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 (8)
1. The utility model provides a supercritical fluid extraction reation kettle, includes the cauldron body, its characterized in that: a kettle cover is arranged on the upper side of the kettle body, a stirring mechanism positioned in the kettle body is arranged on the lower side of the kettle cover, and a sealing mechanism is arranged in the kettle cover;
the stirring mechanism comprises an annular bevel gear seat fixed on the lower end surface of the kettle cover, a bevel gear transmission box is rotatably matched at the tail end of the lower side of the annular bevel gear seat, stirring rod fixing seats which are bilaterally symmetrical by taking the bevel gear transmission box as a center are arranged on the outer side of the bevel gear transmission box, and the stirring mechanism is used for stirring an extracted substance;
the sealing mechanism comprises a pressure measuring block arranged in the kettle cover, an elastic force adjusting slide block is arranged on the upper side of the pressure measuring block, a magnetic blocking block is arranged on the left side of the elastic force adjusting slide block, and the sealing mechanism is used for automatically preventing supercritical carbon dioxide fluid from entering the kettle body according to the air pressure in the kettle body;
be equipped with the ascending extraction chamber of opening in the cauldron body, be fixed with the discharging pipe on the cauldron body downside, extraction chamber downside intercommunication is equipped with downwardly extending in the discharging pipe, and the decurrent unloading chamber of opening, be fixed with the ooff valve on the discharging pipe inner wall, be fixed with on the disc outside the cauldron body with the discharging pipe sets up and is located for central annular the terminal kettle cover fixing base of cauldron body upside, articulated in the kettle cover fixing base have with the discharging pipe is central bilateral symmetry's fastening bolt, be fixed with on the extraction intracavity wall and carry the thing board, the extraction chamber left and right sides all communicates and is equipped with atmospheric pressure balance and leads to the chamber.
2. The supercritical extraction reactor according to claim 1, wherein: one end of the air pressure balance through cavity is positioned on the upper side of the carrying plate, and the other end of the air pressure balance through cavity is positioned on the lower side of the carrying plate, so that the left and right pressure of the carrying plate is kept consistent.
3. The supercritical extraction reactor according to claim 2, wherein: a plurality of capillary holes which are distributed at equal intervals are arranged in the carrying plate and used for the supercritical carbon dioxide fluid after extraction to pass through.
4. The supercritical extraction reactor according to claim 1, wherein: be provided with two and link up from top to bottom and the opening outwards with the discharging pipe is central bilateral symmetry's bolt-up chamber, be fixed with the motor cabinet on the kettle cover up end, be provided with the motor in the motor cabinet, the motor downside be provided with motor cabinet fixed connection's shaft coupling, the motor with be fixed with the motor shaft between the shaft coupling, the kettle cover up end still is fixed with and is located the left superfluid input tube of motor cabinet, it link up and upwards extends to run through from top to bottom to be equipped with in the kettle cover superfluid input tube's superfluid input chamber.
5. The supercritical extraction reactor according to claim 1, wherein: the stirring mechanism also comprises an annular bevel gear arranged in the bevel gear transmission box, a bevel gear transmission cavity is arranged in the bevel gear transmission box, the annular bevel gear seat extends downwards into the bevel gear transmission cavity, the annular bevel gear is fixed on the lower end face of the annular bevel gear seat, a stirring transmission shaft which extends downwards and penetrates through the kettle cover, the annular bevel gear seat and the annular bevel gear to the bevel gear transmission cavity is fixed on the lower end face of the coupler, a driven bevel gear shaft which extends outwards and penetrates through the bevel gear transmission cavity to the outside is rotationally matched at the tail end of the lower side of the stirring transmission shaft, driven bevel gears which are bilaterally symmetrical with the stirring transmission shaft and meshed with the annular bevel gear are fixed on the driven bevel gear shaft, and the left and right stirring rod fixing seats are respectively fixed on the left and right end faces of the driven bevel gear shaft, and three stirring rods which are distributed at equal intervals from top to bottom are fixed on the end surface of the stirring rod fixing seat far away from the bevel gear transmission box.
6. The supercritical extraction reactor according to claim 1, wherein: the closing mechanism still including set up in piezometer block slide bar in the kettle cover, be equipped with in the kettle cover and be located the piezometer block sliding chamber on agitator drive shaft right side, the intercommunication of piezometer block sliding chamber downside is equipped with the logical chamber of open-down atmospheric pressure, the piezometer block slide bar is fixed in on the piezometer block sliding chamber upper end wall, the piezometer block respectively with the piezometer block sliding chamber and it is vice to form a pair of slip between the piezometer block slide bar, be fixed with contact switch on the piezometer block sliding chamber left end wall, elasticity adjustment slider with the piezometer block slide bar forms a pair of slip pair, the cooperation of piezometer block sliding chamber upper end wall internal rotation downwardly extending to the carousel axle of external world upwards extends in the piezometer block sliding chamber.
7. The supercritical extraction reactor according to claim 6, wherein: the end of the upper side of the rotary disc shaft is fixed with a rotary disc, the rotary disc shaft is located one section in the pressure measuring block sliding cavity and is connected with the elastic adjusting sliding block through threaded fit, the lower end face of the elastic adjusting sliding block and the upper end face of the pressure measuring block are fixed with pressure measuring block springs, the right side of the superfluid input cavity is communicated with a blocking block sliding cavity, the right end wall of the blocking block sliding cavity is fixed with an electromagnet, a pair of sliding pairs is formed between the magnetic blocking block and the blocking block sliding cavity, and a blocking block spring is fixed between the right end face of the magnetic blocking block and the electromagnet.
8. The supercritical extraction reactor according to claim 7, wherein: the turntable is engraved with a value representing the pressure in the extraction chamber.
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| CN202110921828.0A CN113440888A (en) | 2021-08-12 | 2021-08-12 | Supercritical extraction reaction kettle |
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Application publication date: 20210928 |
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