CN210473111U - Extraction device of ultrasonic-enhanced supercritical fluid for chemical industry - Google Patents
Extraction device of ultrasonic-enhanced supercritical fluid for chemical industry Download PDFInfo
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- CN210473111U CN210473111U CN201920851597.9U CN201920851597U CN210473111U CN 210473111 U CN210473111 U CN 210473111U CN 201920851597 U CN201920851597 U CN 201920851597U CN 210473111 U CN210473111 U CN 210473111U
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- extraction
- ultrasonic
- supercritical fluid
- kettle
- pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0203—Solvent extraction of solids with a supercritical fluid
Abstract
The utility model provides an extraction device of ultrasonic intensified supercritical fluid for chemical industry, which comprises a pressure pump, an ultrasonic generator, an ultrasonic transducer and a pressure control valve; the ultrasonic transducer is screwed in a threaded hole of the extraction kettle; the pressure control valve consists of a shell, a flow limiting block and a spring. The device is when extraction cauldron extracts, adopt the ultrasonic wave technique to assist the extraction material and supercritical fluid's mutual extraction reaction, the extraction reaction of extraction material and supercritical fluid has been reinforceed, the extraction rate of target product is high, the problem of current supercritical extraction device extraction inefficiency has been solved, but pressure control valve one-way pressure pump that allows carries out pressure control in to the extraction cauldron, and the disc of current-limiting piece and the inside rubber seal that all is equipped with of shell, guaranteed that internal pressure can not reveal, the problem that high pressure when having solved current extraction device to the extraction requires the uncontrollable has been solved.
Description
Technical Field
The utility model belongs to the technical field of extraction equipment, more specifically say, in particular to supercritical fluid's extraction element is reinforceed to supersound for chemical industry.
Background
Supercritical fluid extraction is a novel extraction separation technology. It uses supercritical fluid, i.e. fluid in thermodynamic state with temperature higher than critical temperature and pressure higher than critical pressure, as extractant. Extracting specific components from liquid or solid to achieve the separation purpose.
If the application number is: CN201520486893.5 discloses a microwave-assisted supercritical fluid extraction apparatus, which comprises a microwave apparatus, an extraction tank, a connecting pipe, a separating pipe, a condensing pipe and a fixing frame, wherein the extraction tank is disposed in the microwave apparatus, a pressure port is disposed on the extraction tank, the connecting pipe is respectively communicated with the extraction tank and the separating pipe, the separating pipe is communicated with the condensing pipe, the condensing pipe is disposed above the separating pipe, the condensing pipe is connected with the fixing frame, the extraction tank includes a gas outlet and a safety valve, the connecting pipe includes an inner socket, an outer socket and a temperature detection port, the gas outlet is communicated with the outer socket, the separating pipe includes a containing chamber, a separating chamber, a switch and a collection port, the switch is disposed above the collection port, one side of the separating pipe is disposed with a first branch pipe and a second branch pipe, the first branch pipe is disposed above the second branch pipe, the first branch pipe includes a first switch, and the second branch pipe includes a second switch. The fluid can quickly reach a supercritical state by the aid of the microwave device, so that quick extraction is realized, and the extraction efficiency is improved.
The existing supercritical extraction device has the problems of high extraction pressure, difficult control, long extraction time, low extraction efficiency and more circulation for extracting some solid materials, and limits the large-scale industrial application of the device.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an extraction apparatus for chemical engineering ultrasound-enhanced supercritical fluid is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a supercritical fluid's extraction element is reinforceed to supersound for chemical industry to solve current supercritical extraction element extraction inefficiency, to the difficult problem of control of high pressure requirement when extracting.
The purpose and the efficacy of the ultrasonic intensified supercritical fluid extraction device for chemical engineering are achieved by the following specific technical means:
an extraction device of ultrasonic-enhanced supercritical fluid for chemical engineering comprises a placing box, a pressure pump, a cold circulating device, an ultrasonic generator, a cap, an extraction kettle, a separation kettle, a spiral pipe, an ultrasonic transducer, a valve and a pressure control valve; the pressure pump, the cold circulating device and the ultrasonic generator are respectively arranged on an article placing plate in the placing box; the cold circulating device consists of a water tank, a water pump and a water pipe, and joints of the water tank, the water pump, the water pipe and a spiral pipe in the extraction kettle are mutually and fixedly connected to form a water circulating loop; the cap is screwed outside the connecting ring at the top of the extraction kettle; the joint of the spiral pipe is welded outside the extraction kettle; the ultrasonic transducer is screwed in a threaded hole of the extraction kettle; one end of the valve is welded at the bottom end of the extraction kettle, and the other end of the valve is welded at the top end of the separation kettle; the pressure control valve consists of a shell, a flow limiting block and a spring, the flow limiting block is inserted in the shell, and the spring is sleeved between a disc on the flow limiting block and a stop block of the shell.
Furthermore, rubber sealing rings are arranged on the outer sides of the upper disc and the lower disc of the flow limiting block, and O-shaped rubber sealing rings are arranged at the positions where the ultrasonic transducer and the cap are connected with the extraction kettle for sealing.
Furthermore, the two disks of the flow limiting block are fixedly connected through a connecting rod, the connecting rod is of a hollow structure with an opening in the top surface, and a hole with an opening side is formed in the bottom of the connecting rod.
Furthermore, the ultrasonic generator is electrically connected with the ultrasonic transducer through an external plug of the ultrasonic transducer inside the extraction kettle.
Further, the inside convex block that is equipped with of block, the connection ring at extraction cauldron top is equipped with the recess and the horizontal spout that match with the convex block shape of block.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, when the device is used for extraction in an extraction kettle, the ultrasonic technology is adopted to assist the mutual extraction reaction of the extraction material and the supercritical fluid, wherein the ultrasonic device has the characteristics of large single-plate output power, adjustable power, safety, reliability, convenience and easiness in control, the extraction reaction of the extraction material and the supercritical fluid is strengthened, the extraction rate of a target product is high, the problem of low extraction efficiency of the conventional supercritical extraction device is solved, and the working efficiency of the device is improved.
Secondly, but pressure control valve one-wayly allows the force pump to carry out pressure control in to the extraction cauldron, when carrying out the pressure boost to the extraction cauldron, the last disc of restriction piece is opened on the output pressure top of force pump, gas pressure gets into the connecting rod and gushes into the extraction cauldron from the opening of bottom for its inside increase pressure, when pressure reaches the settlement pressure, jack-up lower part disc under the combined action of spring and extraction cauldron internal pressure, the side direction trompil of connecting rod is blockked by the inside dog of shell, and the disc of restriction piece and the inside rubber seal that all is equipped with of shell, it can not reveal to have guaranteed internal pressure, the problem that current extraction device requires the uncontrollable to the high pressure when extracting has been solved, the device's practicality has been improved.
Moreover, the design of block lug and extraction cauldron top ring recess for even when extracting the cauldron inside when being in the high pressure state, the block can firmly be connected with extraction cauldron top ring, can not cause danger and destroy the extraction reaction because of the high pressure collapses, and block and extraction cauldron top ring are equipped with "O" shape sealing washer, has also guaranteed that internal pressure can not leak and cause loss of pressure, has guaranteed the normal clear of inside extraction reaction, the security and the stability that the device has been improved to this design.
The supercritical fluid of extraction generally has the characteristic of being in an industrial state at high pressure and low temperature, when the extraction reaction is carried out, the influence on the extraction reaction can be caused by the temperature rise, the device also designs a cold circulating device to ensure the normal running of the extraction reaction, the cold circulating device circularly flows external cooling water in a spiral pipe inside the extraction kettle to neutralize the temperature rise of the internal extraction reaction, and the design improves the adaptability and the flexibility of the device.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the extraction kettle of the present invention.
Fig. 3 is a schematic structural diagram of the cap and the extraction kettle of the present invention.
Fig. 4 is a schematic structural diagram of the pressure control valve of the present invention.
Fig. 5 is a schematic view of the overall structure of the cold circulation device of the present invention.
Fig. 6 is an enlarged schematic view of the a-site of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. placing a box; 2. a pressure pump; 3. a cold circulation device; 4. an ultrasonic generator; 5. capping; 6. an extraction kettle; 7. a separation kettle; 8. a spiral tube; 9. an ultrasonic transducer; 10. a valve; 11. a pressure control valve; 301. a water tank; 302. a water pump; 303. a water pipe; 1101. a housing; 1102. a flow limiting block; 1103. a spring;
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 6:
the utility model provides an extraction device of ultrasonic intensified supercritical fluid for chemical industry, which comprises a placing box 1, a pressure pump 2, a cold circulation device 3, an ultrasonic generator 4, a cap 5, an extraction kettle 6, a separation kettle 7, a spiral pipe 8, an ultrasonic transducer 9, a valve 10 and a pressure control valve 11; the pressure pump 2, the cold circulating device 3 and the ultrasonic generator 4 are respectively arranged on an article placing plate in the placing box 1; the cold circulation device 3 consists of a water tank 301, a water pump 302 and a water pipe 303, and the water tank 301, the water pump 302, the water pipe 303 and the joint of the spiral pipe 8 inside the extraction kettle 6 are mutually and fixedly connected to form a water circulation loop; the cap 5 is screwed outside the connecting ring at the top of the extraction kettle 6; the joint of the spiral pipe 8 is welded outside the extraction kettle 6; the ultrasonic transducer 9 is screwed in a threaded hole of the extraction kettle 6; one end of the valve 10 is welded at the bottom end of the extraction kettle 6, and the other end of the valve 10 is welded at the top end of the separation kettle 7; the pressure control valve 11 consists of a shell 1101, a flow limiting block 1102 and a spring 1103, wherein the flow limiting block 1102 is inserted in the shell 1101, and the spring 1103 is sleeved between a circular disc on the flow limiting block 1102 and a stop block of the shell 1101.
The specific structure and the working principle of the pressure pump 2, the cold circulating device 3, the ultrasonic generator 4 and the separation kettle 7 are the existing mature technology, and the detailed description is not repeated herein, the ultrasonic generator 4 and the ultrasonic transducer 9 are in common electrical connection, and the specific circuit is the existing mature technology.
The ultrasonic generator 4 can be selected from THD-T1 model, and the ultrasonic transducer 9 can be selected from HS-4PZT-3528 model.
The outer sides of the upper and lower discs of the flow limiting block 1102 are provided with rubber sealing rings, and the positions where the ultrasonic transducer 9 and the cap 5 are connected with the extraction kettle 6 are provided with O-shaped rubber sealing rings for sealing, so that the condition that pressure inside the extraction kettle 6 is normally not leaked during extraction reaction is ensured, and the adaptability of the device is improved.
Wherein, two discs of current limiting block 1102 pass through connecting rod fixed connection, and the connecting rod is top surface open-ended hollow structure, and the connecting rod bottom is equipped with the hole of opening, as shown in figure 4, can be more accurate control the pressure in the extraction cauldron 6, improved the device's practicality.
The ultrasonic generator 4 is electrically connected with the ultrasonic transducer 9 through an external plug of the ultrasonic transducer 9 inside the extraction kettle 6, and the ultrasonic technology is adopted to assist the mutual extraction reaction of the extraction material and the supercritical fluid, wherein the ultrasonic device has the characteristics of large single-plate output power, adjustable power, safety, reliability, convenience and easiness in control, the extraction reaction of the extraction material and the supercritical fluid is strengthened, the extraction rate of a target product is high, and the extraction efficiency of the device is improved.
Wherein, the inside convex block that is equipped with of block 5, the connection ring at 6 tops of extraction cauldron is equipped with the recess and the horizontal spout that match with the convex block shape of block 5, as shown in figure 6, this design has guaranteed that block 5 can be in the extraction cauldron 6 inside under the highly compressed condition can firmly stable with the ring joint at 6 tops of extraction cauldron, has avoided block 5 unexpected to drop to cause the influence and the potential safety hazard that causes the extraction cauldron 6 inside extraction reaction, has improved the device's stability and security.
The specific use mode and function of the embodiment are as follows:
in the utility model, the material to be extracted is put into the extraction kettle 6 through the circular ring opening at the top of the extraction kettle 6, the cap 5 is clamped with the circular ring at the top of the extraction kettle 6, the supercritical fluid is pumped into the extraction kettle 6 by using the pressure pump 2, the pressure is pumped into the extraction kettle 6 through the pressure pump 2, and the power of the pressure pump 2 is turned off after the pressure gauge at the top of the cap 5 reaches a preset pressure value by observing, at the moment, the water suction pump 302 of the cold circulating device 3 is turned on, at the moment, the cold water circulating flow transducer in the spiral tube 8 circularly cools the temperature rising due to the extraction reaction in the extraction kettle 6, the ultrasonic generator 4 is turned on, the frequency and the power of the ultrasonic generator 9 controlled by the ultrasonic generator 4 are selected, the time and the interval time of the ultrasonic action are set, the material is extracted intensively, the ultrasonic generator 4 sends out prompt tone after the time, at the moment, the valve 10 is opened, separating in a separation kettle 7 to obtain an extraction group and a raffinate group, carrying out reduced pressure separation on the extraction group in a corresponding collection device, discharging separated carbon dioxide, and obtaining a precipitated substance.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. An extraction device of ultrasonic reinforced supercritical fluid for chemical engineering is characterized in that: the extraction device of the ultrasonic-enhanced supercritical fluid for the chemical industry comprises a placing box (1), a pressure pump (2), a cold circulating device (3), an ultrasonic generator (4), a cover cap (5), an extraction kettle (6), a separation kettle (7), a spiral pipe (8), an ultrasonic transducer (9), a valve (10) and a pressure control valve (11); the pressure pump (2), the cold circulating device (3) and the ultrasonic generator (4) are respectively placed on an article placing plate in the placing box (1); the cold circulating device (3) consists of a water tank (301), a water suction pump (302) and a water pipe (303), and the water tank (301), the water suction pump (302), the water pipe (303) and the joints of the spiral pipe (8) in the extraction kettle (6) are mutually and fixedly connected to form a water circulating loop; the cap (5) is screwed outside the connecting ring at the top of the extraction kettle (6); the joint of the spiral pipe (8) is welded outside the extraction kettle (6); the ultrasonic transducer (9) is screwed in a threaded hole of the extraction kettle (6); one end of the valve (10) is welded at the bottom end of the extraction kettle (6), and the other end of the valve (10) is welded at the top end of the separation kettle (7); the pressure control valve (11) consists of a shell (1101), a flow limiting block (1102) and a spring (1103), the flow limiting block (1102) is inserted into the shell (1101), and the spring (1103) is sleeved between a disc on the flow limiting block (1102) and a stop block of the shell (1101).
2. The ultrasonic-enhanced supercritical fluid extraction apparatus for chemical engineering as claimed in claim 1, wherein: the outer sides of the upper disc and the lower disc of the flow limiting block (1102) are respectively provided with a rubber sealing ring, and the parts of the ultrasonic transducer (9) and the cap (5) connected with the extraction kettle (6) are respectively provided with an O-shaped rubber sealing ring for sealing.
3. The ultrasonic-enhanced supercritical fluid extraction apparatus for chemical engineering as claimed in claim 1, wherein: the two disks of the flow limiting block (1102) are fixedly connected through a connecting rod, the connecting rod is of a hollow structure with an opening in the top surface, and a hole with an opening side is formed in the bottom of the connecting rod.
4. The ultrasonic-enhanced supercritical fluid extraction apparatus for chemical engineering as claimed in claim 1, wherein: the ultrasonic generator (4) is electrically connected with the ultrasonic transducer (9) through an external plug of the ultrasonic transducer (9) inside the extraction kettle (6).
5. The ultrasonic-enhanced supercritical fluid extraction apparatus for chemical engineering as claimed in claim 1, wherein: the inside of the cover cap (5) is provided with a circular arc-shaped convex block, and the connecting ring at the top of the extraction kettle (6) is provided with a groove and a transverse sliding groove which are matched with the circular arc-shaped convex block of the cover cap (5) in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851597.9U CN210473111U (en) | 2019-06-06 | 2019-06-06 | Extraction device of ultrasonic-enhanced supercritical fluid for chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851597.9U CN210473111U (en) | 2019-06-06 | 2019-06-06 | Extraction device of ultrasonic-enhanced supercritical fluid for chemical industry |
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| Publication Number | Publication Date |
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| CN210473111U true CN210473111U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920851597.9U Expired - Fee Related CN210473111U (en) | 2019-06-06 | 2019-06-06 | Extraction device of ultrasonic-enhanced supercritical fluid for chemical industry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117372A (en) * | 2021-04-01 | 2021-07-16 | 南通睿智超临界科技发展有限公司 | Ultrasonic reinforced supercritical fluid extraction device |
| EP3978093A1 (en) * | 2020-09-30 | 2022-04-06 | Dionex Corporation | Extraction cell cap assembly with toolless disassembly |
-
2019
- 2019-06-06 CN CN201920851597.9U patent/CN210473111U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3978093A1 (en) * | 2020-09-30 | 2022-04-06 | Dionex Corporation | Extraction cell cap assembly with toolless disassembly |
| US11684877B2 (en) | 2020-09-30 | 2023-06-27 | Dionex Corporation | Extraction cell cap assembly with toolless disassembly |
| CN113117372A (en) * | 2021-04-01 | 2021-07-16 | 南通睿智超临界科技发展有限公司 | Ultrasonic reinforced supercritical fluid extraction device |
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