CN107126725A - A kind of continuous flow upstream supercritical extraction unit - Google Patents

A kind of continuous flow upstream supercritical extraction unit Download PDF

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Publication number
CN107126725A
CN107126725A CN201710358241.7A CN201710358241A CN107126725A CN 107126725 A CN107126725 A CN 107126725A CN 201710358241 A CN201710358241 A CN 201710358241A CN 107126725 A CN107126725 A CN 107126725A
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CN
China
Prior art keywords
pipeline
continuous flow
flow upstream
extraction unit
clarifier
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Pending
Application number
CN201710358241.7A
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Chinese (zh)
Inventor
韩青云
祖柏实
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hongbo Machinery Manufactury Co., Ltd.
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JIANGSU HONGBO MACHINERY MANUFACTURY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by JIANGSU HONGBO MACHINERY MANUFACTURY CO Ltd filed Critical JIANGSU HONGBO MACHINERY MANUFACTURY CO Ltd
Priority to CN201710358241.7A priority Critical patent/CN107126725A/en
Publication of CN107126725A publication Critical patent/CN107126725A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D11/00Solvent extraction
    • B01D11/02Solvent extraction of solids
    • B01D11/0203Solvent extraction of solids with a supercritical fluid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D11/00Solvent extraction
    • B01D2011/002Counter-current extraction

Abstract

A kind of continuous flow upstream supercritical extraction unit disclosed by the invention, including extraction kettle, separating still and gas bomb, extraction kettle and separating still pass through the first pipeline connection, first pipeline is provided with First Heat Exchanger, extraction kettle bottom is provided with gas access, and gas access is connected by the second pipeline with gas bomb, and extraction kettle is provided with feed(raw material)inlet, sprayer unit is provided with feed(raw material)inlet, separating still is connected by the 3rd pipeline with gas access.The continuous flow upstream supercritical extraction unit, during the entire process of extract and separate, adds raw material, and recycle CO again without shutting down2, it is to avoid CO2Loss, improve the efficiency of extract and separate.

Description

A kind of continuous flow upstream supercritical extraction unit
Technical field
The present invention relates to the technical field of supercritical extract, more particularly to a kind of continuous flow upstream supercritical extraction unit.
Background technology
Tree peony belongs to Ranunculaceae Paeonia shrub plant, is the distinctive Woody flower of China.Peony seeds are the essences of peony plant China's crystallization, also there is oneself unique nutritional ingredient and pharmaceutical value.The Fatty acid compositions of the peony seed oil of extraction are unique, The micro constitutent of multiple beneficial is rich in again, and with medical care effect, this is referred to as the treasure in vegetable oil.To the extraction of peony oil Take in technology, supercritical CO2Abstraction technique is a kind of environmentally friendly isolation technics, its solvability to liposoluble constituent It is strong and safe, it is the integrated technology of a kind of high efficiency, high yield.But in the prior art, supercritical extraction unit All it is intermittent extraction equipment, has extracted every time, be required for adding raw material again, is unfavorable for continuous industrialized production.
The content of the invention
It is an object of the invention to provide a kind of continuous flow upstream supercritical extraction unit, above-mentioned prior art problem is solved In one or more.
The present invention provides a kind of continuous flow upstream supercritical extraction unit, including extraction kettle, separating still and gas bomb, extraction Take kettle and separating still by the first pipeline connection, the first pipeline is provided with First Heat Exchanger, and extraction kettle bottom enters provided with gas Mouthful, gas access is connected by the second pipeline with gas bomb, and extraction kettle is provided with feed(raw material)inlet, feed(raw material)inlet provided with spray Mist device, separating still is connected by the 3rd pipeline with gas access.
The supercritical extraction unit of the present invention is to utilize CO2Not only there is high penetration in the supercritical state and low viscous Degree, and there is good solvability for the material of similar density.In the supercritical state, by supercritical CO2With tree peony Oil plant oil contact, makes material to be separated be substantially dissolved in CO2In, then by changing pressure and temperature, it is changed into carbon dioxide Gas, material to be separated is separated, so as to reach the purpose of separating-purifying.And during the entire process of extraction, without stopping Machine adds raw material again, reduces the loss of carbon dioxide, improves operating efficiency.
In some embodiments, in addition to:First clarifier, ice chest, the first measuring pump, blender, the second purification Device, the second heat exchanger, gas bomb and the first clarifier pass through the 5th by the 4th pipeline connection, the first clarifier with ice chest Pipeline connection, ice chest and the first measuring pump are connected by the 6th pipeline connection, the first measuring pump with blender by the 7th pipeline Logical, blender and the second clarifier are connected by the 8th pipeline connection, the second clarifier and the second heat exchanger by the 9th pipeline Logical, the second heat exchanger passes through the tenth pipeline connection with extraction kettle.
In some embodiments, the 4th pipeline is provided with the first high-pressure stop valve, and the 5th pipeline is provided with the second high pressure Stop valve, the 6th pipeline is provided with the 3rd high-pressure stop valve, and the 7th pipeline is provided with the first check valve and the 4th high-pressure stop Valve, the 8th pipeline is provided with electro connecting pressure gauge, and the 9th pipeline is provided with the 5th high-pressure stop valve, and the tenth pipeline is provided with the Two check valves.
In some embodiments, separating still and the first clarifier be by the 3rd pipeline connection, successively on the 3rd pipeline Six high-pressure stop valves, spinner flowmeter and the 3rd check valve.
In some embodiments, the 7th high-pressure stop valve and high-pressure throttle are additionally provided with the first pipeline.
In some embodiments, sprayer unit includes air inlet pipe, feed tube and nozzle, and air inlet pipe is connected with feed tube, Feed tube is connected with nozzle, and nozzle is located at the inwall of extraction kettle.Wherein, feed tube is passed through raw material liq, and air inlet pipe is passed through compression Air.When tree peony feedstock oil is pumped into extraction kettle by metering, cause tree peony feedstock oil in extraction kettle using specific nozzle Atomization, and the abundant contact lysis of carbon dioxide, to reach the purpose of extraction.
In some embodiments, the height of extraction kettle is 4000mm, and the height of separating still is 2000mm.Traditional extraction Kettle and separating still is taken to operate for convenience, it is shorter more fat that kettle is done, extraction kettle and separating still are specially processed into carefully by this programme Elongated, in order that obtain tree peony feedstock oil is sufficiently mixed dissolving with carbon dioxide, to improve extraction yield.
Brief description of the drawings
Fig. 1 is a kind of structural representation of continuous flow upstream supercritical extraction unit in an embodiment of the present invention;
Fig. 2 is a kind of structural representation of sprayer unit in continuous flow upstream supercritical extraction unit in an embodiment of the present invention.
Embodiment
With reference to Figure of description, the present invention is described in more detail.
As shown in figure 1,
A kind of continuous flow upstream supercritical extraction unit, including extraction kettle 1, separating still 2 and gas bomb 3, the He of extraction kettle 1 Separating still 2 is by the first pipeline connection, and the first pipeline is provided with First Heat Exchanger 4, and the bottom of extraction kettle 1 is provided with gas access, gas Body entrance is connected by the second pipeline with gas bomb 3, and extraction kettle 1 is provided with feed(raw material)inlet, feed(raw material)inlet provided with spraying dress Put, separating still 2 is connected by the 3rd pipeline with gas access.
Also include:First clarifier 5, ice chest 6, the first measuring pump 7, blender 8, the second clarifier 9, the second heat exchanger 10, the clarifier 5 of gas bomb 3 and first is connected by the 4th pipeline connection, the first clarifier 5 with ice chest 6 by the 5th pipeline It is logical, the measuring pump 7 of ice chest 6 and first by the 6th pipeline connection, the first measuring pump 7 and blender 8 by the 7th pipeline connection, The clarifier 9 of blender 8 and second passes through the 9th pipeline by the 8th pipeline connection, the second clarifier 9 and the second heat exchanger 10 Connection, the second heat exchanger 10 passes through the tenth pipeline connection with extraction kettle 1.
4th pipeline is provided with the first high-pressure stop valve, and the 5th pipeline is provided with the second high-pressure stop valve, the 6th pipeline Provided with the 3rd high-pressure stop valve, the 7th pipeline is provided with the first check valve and the 4th high-pressure stop valve, and the 8th pipeline is provided with electricity Contact pressure table, the 9th pipeline is provided with the 5th high-pressure stop valve, and the tenth pipeline is provided with the second check valve.
The clarifier 5 of separating still 2 and first by the 3rd pipeline connection, on the 3rd pipeline successively the 6th high-pressure stop valve, turn Subflow gauge and the 3rd check valve.
The 7th high-pressure stop valve and high-pressure throttle are additionally provided with first pipeline.
Sprayer unit includes air inlet pipe 12, feed tube 11 and nozzle 13, and air inlet pipe 12 is connected with feed tube 11, feed tube 11 connect with nozzle 13, and nozzle 13 is located at the inwall of extraction kettle 1.
The height of extraction kettle is 4000mm, and the height of separating still is 2000mm.
Operation principle:Raw material tree peony feedstock oil enters extraction kettle 1 by nozzle 12 in the form of atomization, wherein, tree peony is former The flow of material oil is 100L/h.CO in gas bomb 12Purify by the first clarifier 5, after the cooling liquid of ice chest 6, pass through First measuring pump 7 is by CO2Be pressed into blender 8, after purified by the second clarifier 9, CO2Setting is heated to through the second heat exchanger 10 Enter extraction kettle 1 after temperature, be to utilize CO in extraction kettle 12Not only there is high penetration in the supercritical state and low viscous Degree, and there is good solvability for the material of similar density.In the supercritical state, by supercritical CO2With it is male Red oil plant oil contact, makes material to be separated be substantially dissolved in CO2In.After extraction, CO is dissolved in2Tree peony feedstock oil pass through First Heat Exchanger 4, is heated to the temperature of setting, carries out decompression separation into separating still 2 so that carbon dioxide becomes gas, will Material to be separated is separated, so as to reach the purpose of separation deduction.Wherein, the height of extraction kettle 1 is 4000mm, and volume is 20L, extracting pressure is 35Mpa, and extraction temperature is 35 DEG C;The height of separating still is 2000mm, and volume is 10L, the pressure of separation Power is 7Mpa, CO2Flow be 1000L/h.Peony oil after extraction, separation is received by the bottom of separating still 2 Collection, the CO of separation2Gas enters the first clarifier 5 by the 3rd pipeline, is recycled, with cost-effective.
A kind of continuous flow upstream supercritical extraction unit in the embodiment that the present invention is provided, in the whole of extract and separate During, raw material is added again without shutting down, and recycles CO2, it is to avoid CO2Loss, improve the effect of extract and separate Rate.
Presented above is only the preferred embodiment of the present invention, it is noted that to those skilled in the art, On the premise of not departing from the invention design, various modifications and improvements can be made, these also should be regarded as the guarantor of the present invention Within the scope of shield.

Claims (7)

1. a kind of continuous flow upstream supercritical extraction unit, it is characterised in that including extraction kettle (1), separating still (2) and gas bomb (3), the extraction kettle (1) and separating still (2) are by the first pipeline connection, and first pipeline is provided with First Heat Exchanger (4), Extraction kettle (1) bottom is provided with gas access, and the gas access is connected by the second pipeline with gas bomb (3), institute State extraction kettle (1) to be provided with provided with sprayer unit at feed(raw material)inlet, the feed(raw material)inlet, the separating still (2) passes through the 3rd pipeline It is connected with gas access.
2. a kind of continuous flow upstream supercritical extraction unit according to claim 1, it is characterised in that also include:First is net Change device (5), ice chest (6), the first measuring pump (7), blender (8), the second clarifier (9), the second heat exchanger (10), the gas Steel cylinder (3) is with the first clarifier (5) by the 4th pipeline connection, and first clarifier (5) passes through the 5th pipeline with ice chest (6) Connection, the ice chest (6) passes through the 6th pipeline connection, first measuring pump (7) and blender (8) with the first measuring pump (7) By the 7th pipeline connection, the blender (8) passes through the 8th pipeline connection, second clarifier with the second clarifier (9) (9) with the second heat exchanger (10) by the 9th pipeline connection, second heat exchanger (10) passes through the tenth pipeline with extraction kettle (1) Connection.
3. a kind of continuous flow upstream supercritical extraction unit according to claim 2, it is characterised in that on the 4th pipeline Provided with the first high-pressure stop valve, the 5th pipeline is provided with the second high-pressure stop valve, and the 6th pipeline is provided with the 3rd high-pressure stop valve, 7th pipeline is provided with the first check valve and the 4th high-pressure stop valve, and the 8th pipeline is provided with electro connecting pressure gauge, the 9th pipeline The 5th high-pressure stop valve is provided with, the tenth pipeline is provided with the second check valve.
4. a kind of continuous flow upstream supercritical extraction unit according to claim 2, it is characterised in that the separating still (2) With the first clarifier (5) by the 3rd pipeline connection, on the 3rd pipeline successively the 6th high-pressure stop valve, spinner flowmeter and 3rd check valve.
5. a kind of continuous flow upstream supercritical extraction unit according to claim 1, it is characterised in that on first pipeline It is additionally provided with the 7th high-pressure stop valve and high-pressure throttle.
6. a kind of continuous flow upstream supercritical extraction unit according to claim 1, it is characterised in that the sprayer unit bag Air inlet pipe (12), feed tube (11) and nozzle (13) are included, the air inlet pipe (12) connects with feed tube (11), the feed tube (11) connected with nozzle (13), the nozzle (13) is located at the inwall of extraction kettle (1).
7. a kind of continuous flow upstream supercritical extraction unit according to claim 1, it is characterised in that the extraction kettle (1) Height be 4000mm, the height of the separating still (2) is 2000mm.
CN201710358241.7A 2017-05-19 2017-05-19 A kind of continuous flow upstream supercritical extraction unit Pending CN107126725A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710358241.7A CN107126725A (en) 2017-05-19 2017-05-19 A kind of continuous flow upstream supercritical extraction unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710358241.7A CN107126725A (en) 2017-05-19 2017-05-19 A kind of continuous flow upstream supercritical extraction unit

Publications (1)

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CN107126725A true CN107126725A (en) 2017-09-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108031411A (en) * 2018-01-24 2018-05-15 江苏嘉宇特种装备股份有限公司 A kind of hydronic reaction kettle
CN108176341A (en) * 2018-01-24 2018-06-19 江苏嘉宇特种装备股份有限公司 A kind of reaction kettle for batch mixing
CN108187600A (en) * 2018-01-24 2018-06-22 江苏嘉宇特种装备股份有限公司 A kind of reaction kettle of quantifying feed

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108031411A (en) * 2018-01-24 2018-05-15 江苏嘉宇特种装备股份有限公司 A kind of hydronic reaction kettle
CN108176341A (en) * 2018-01-24 2018-06-19 江苏嘉宇特种装备股份有限公司 A kind of reaction kettle for batch mixing
CN108187600A (en) * 2018-01-24 2018-06-22 江苏嘉宇特种装备股份有限公司 A kind of reaction kettle of quantifying feed

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Effective date of registration: 20171208

Address after: 226600 Haian County in Jiangsu province Nantong City Industrial Zone South Mo Zhen Qing Dun

Applicant after: Jiangsu Hongbo Machinery Manufactury Co., Ltd.

Applicant after: Zu Baishi

Address before: 226600 Haian County in Jiangsu province Nantong City Industrial Zone South Mo Zhen Qing Dun

Applicant before: Jiangsu Hongbo Machinery Manufactury Co., Ltd.

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