CN206051975U - Subcritical continuous extraction desolventizing equipment - Google Patents
Subcritical continuous extraction desolventizing equipment Download PDFInfo
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- CN206051975U CN206051975U CN201621095819.1U CN201621095819U CN206051975U CN 206051975 U CN206051975 U CN 206051975U CN 201621095819 U CN201621095819 U CN 201621095819U CN 206051975 U CN206051975 U CN 206051975U
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Abstract
Subcritical continuous extraction desolventizing equipment, including the feed system, extracting system and desolventizing system that are sequentially connected, feed system includes feed surge tank, head tank and the first air extractor, the discharging opening of feed surge tank is connected with the charging aperture of head tank, and the first gate valve between the charging aperture of the discharging opening and head tank of feed surge tank, is provided with, the first air extractor is connected with head tank；Extracting system includes flat turn extractor and extract draw-off pump, and it is integrated with the flat turn rotor being arranged in tank body that flat turn extractor includes tank body, and extract draw-off pump is connected with tank base, and tank body upper end is provided with charging aperture.
Description
Technical field
This utility model is related to extraction equipment, more particularly to subcritical continuous extraction desolventizing equipment.
Background technology
In recent years, subcritical abstraction technology has obtained very big development, and initially this technology is mainly used in Vegetable oil lipoprotein
Extraction.With the development of this technology, current subcritical abstraction technology main application fields have：1st, with Semen sojae atricolor, Semen arachidis hypogaeae,
The vegetable oil extraction field for representative such as Semen Juglandiss, Fructus Tritici aestivi, Semen Vitis viniferae, Semen Armeniacae Amarum, seed of Flos Moutan, Semen Lini；2nd, with Folium Tagetis Erectae
Flavin, capsicum red pigment are that the plant pigment of representative extracts field；3rd, with Flos Rosae Rugosae, ten Herba Coriandris, Lignum Aquilariae Resinatum, Lignum Santali Albi, Fructus Foeniculi, Bulbus Allii etc.
Plants essential oil to represent extracts field；4th, Ganoderma spore oil, microbial oil extract field；5th, Nicotiana tabacum L. extracts nicotine and tar
Precursor field；6th, raw wool removing lanoline field；7th, the removing pesticide residues neck with Folium Camelliae sinensis, Nicotiana tabacum L., Chinese herbal medicine as representative
Domain；8th, the Chinese herbal medicine effective ingredientses with Fructus Schisandrae Chinensis, Semen Cucurbitae, Folium Artemisiae Argyi etc. as representative extract field；9th, with tenebrio molitor, Pupa bombycises as generation
The removing of the insecticide lipoids of table；10th, removing of fish and shrimp lubricant component with Acipenser Sinensis, squid as representative etc..Under normal circumstances,
Subcritical solvent has propane, butane, iso-butane, dimethyl ether, R134a（HFA 134a）With liquefied ammonia etc..
Higher than solvent boiling point temperature but less than the temperature range of solvent critical temperature, it is defined as the subcritical shape of solvent
State, this is also the liquefaction of solvent gas, material is extracted with the solvent of this state, is referred to as subcritical abstraction.Specially
Profit number is the prior art of ZL90108660.6, discloses one kind《Technology for extraction of grease from liquefied petroleum gas》, belong to earliest Asia
Critical extraction patent.As subcritical abstraction solvent has certain pressure, the extracting pressure of such as butane extractor is usually 5
The extraction equipment that solid material under atmospheric environment continuously loads high-pressure work is had certain difficulty by individual atmospheric pressure, so,
The subcritical abstraction Processes and apparatus of current practical application in the industry, is all the batch process of pot group type, is by material
After loading open extractor, closing charging aperture, then squeeze into solvent carries out subcritical abstraction, and molten in material removing in tank
After agent, could discharge when pressure reaches below 0MPa.The tank group of one group of 6 tank will install more than 70 valve, operate very complicated, pole
Easily maloperation, yield is little, production is unstable.In order to realize the serialization of subcritical abstraction, application number 201310197516.5《One
Plant continuous dipping leaching grease equipment and technique》Disclose a kind of subcritical continuous extration method, the method two-stage feeding cylinder
Material is continuously added to into infusion chamber, feed operation is loaded down with trivial details；Infusion chamber and the structure of chain-bucket infuser UNICOM, it is impossible to realize higher
Miscella concentration, reduce the utilization rate of extractant；Wet dregs of rice storage tank and dregs of rice decompression precipitation tank and dregs of rice vacuum desolvation tank it
Between to block pressure differential between three tanks with airlock really difficult to realize, still do not have at present to block 0.2MPa pressure reduction
Airlock, also propane solvent reaches 0.9MPa with vacuum pressure reduction, in addition, in material, solvent evaporation needs are a large amount of absorb heat, dregs of rice decompression
Precipitation tank and dregs of rice vacuum desolvation tank all do not design heat supply establishment, and the final finished product dregs of rice can be with very low temperature and very high
Containing molten discharge.Application number 201320359608.4《Subcritical fluids continuous extraction apparatus》In disclosed scheme, material is from air
Space has used two-stage rotatory sealing inlet valve, but the material between two-stage into the extractor that pressure is more than 5 atmospheric pressure
In have the gaseous mixture of solvent gas that the air that upper valve brings into brought into lower valve, gaseous mixture Jing vacuum pumps enter system, in the same manner, two-stage
Rotatory sealing continuous discharge valve can also bring large quantity of air into, can gather air in system quickly, and system pressure rises quickly, and arranges
Have a large amount of solvent gas again to discharge when going out air in system together, not only dangerous but also waste solvent；Extractor reality in scheme
It is that a kind of vegetable oil materials such as Semen sojae atricolor leach conventional crawler type infuser structure, but subcritical abstraction is completed under stress,
This caterpillar belt structure to be used the shell of pressure vessel just to seem the unreasonable of device structure；One-level desolventizing device and two grades of desolventizing devices
Continuous desolventizing method, make the pressure differential of two desolventizing devices very big, it is difficult to ensure that the vacuum of two grades of desolventizing devices, and it is also difficult to ensure
Go out the dregs of rice dissolvent residual it is qualified.Application number 201510853263.1《A kind of low temperature subcritical fluid extraction device》Disclosed skill
In art scheme, the subcritical high pressure solvent leakage of the feed auger blocking extractor of material plug closure is taken, and this structure is wayward
Charging, material setier pine have escape, and subcritical solvent is inflammable and explosive liquefied gas, it is necessary to assure sealing safety, no
There can be any hidden danger, this is that this structure is difficult to accomplish；Material setier is tightly readily formed smooth bore, makes spiral together with material in cylinder
Middle rotation, material do not readvance, and in actual production, the Character change of material is very big, and this material plug sealing structure is it is difficult to ensure that steady
Fixed production；Extractor in the program is excessively simple, and after material continuously enters extractor, not up to effect of extracting is lowered by
To discharging opening, the concentration of extract also can be too low, it is impossible to realizes counter-current extraction, and solvent utilization rate is low；In the precipitation tank of the program
Contain molten material continuously into high, in tank, can persistently there are elevated pressures, solvent strength can be very big, discharges the extraction slag of precipitation tank
It is difficult to purify solvent, has not only wasted solvent but also produced very big potential safety hazard.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide one kind to improve solvent utilization rate
And reduce the continuous extraction desolventizing equipment of waste of solvent.
For achieving the above object, concrete technical scheme of the present utility model is：Subcritical continuous extraction desolventizing equipment, including
Feed system, extracting system and the desolventizing system being sequentially connected, feed system include feed surge tank, head tank and the first pumping
Device, the discharging opening of feed surge tank are connected with the charging aperture of head tank, and the discharging opening of feed surge tank and head tank enter
The first gate valve is provided between material mouth, the first air extractor is connected with head tank；Extracting system includes flat turn extractor and extract
Draw-off pump, flat turn extractor include that tank body and the flat turn rotor that is arranged in tank body are integrated, extract draw-off pump and tank base
Connection, tank body upper end are provided with charging aperture, and the charging aperture of tank body is connected with the discharging opening for feeding pot bottom, the charging aperture of tank body with enter
The second gate valve is provided between the discharging opening of batch can bottom, and head tank is located above tank body；Desolventizing system include the first desolventizing device,
The charging aperture of the second desolventizing device and the second air extractor, the first desolventizing device and the second desolventizing device is connected with the discharging opening of tank body respectively
Connect, between the discharging opening of the charging aperture and tank body of the first desolventizing device, be provided with the 3rd gate valve, the charging aperture and tank body of the second desolventizing device
Discharging opening between be provided with the steam vent of the 4th gate valve, the first desolventizing device and the second desolventizing device and pass through solvent air valve and second respectively
Air extractor connects, and is equipped with outside pusher leaf, and the first desolventizing device and the second desolventizing device in the first desolventizing device and the second desolventizing device
Portion is arranged with heating mantle, and the first desolventizing device and the second desolventizing device lower end are respectively equipped with discharging gate valve.
The pusher leaf includes blade and pusher shaft, and blade one end is fixedly connected with pusher shaft centre position, the other end with
Desolventizing device inwall is contacted but does not produce interaction force.
The quantity of the blade is 2～4.
Angle between the blade and pusher shaft is 0.5～10 °.
The flat turn rotor is integrated into fixed railing plank frame or button fly front structure or back pullout (BPO) structure.
The integrated quantity of the flat turn rotor can be one or more, when yield is improved, in order to not increase flat turn extraction
The tank diameter of device is taken, 1 to 5 rotors can be vertically co-axially mounted integrated, it is preferred that the integrated quantity of flat turn rotor is two
It is individual, respectively go up the integrated and lower flat turn rotor of flat turn rotor integrated.
The tank body is cylinder.
This utility model low cost of manufacture, it is safe and reliable, it is easy to use.
Material can be discharged during conveying by feed system for the air carried secretly in material, and while reclaimed extraction
The solvent gas of head tank are poured in taking system, the waste of solvent is reduced, the utilization rate of solvent is improve；Extracting system passes through
The flat turn extractor for continuously running realizes the serialization of extraction, overcomes loaded down with trivial details operating defect in pot group type extraction process；
The ability of the continuous splicing of desolventizing system is realized by the alternating splicing of the first desolventizing device and the second desolventizing device, work effect is improve
Rate, while and can more effectively remove the solvent in the wet dregs of rice, the discharge of solvent is reduced, production security is improve, while drop
The low pollution to environment, realizes continuous extraction precipitation by the collective effect of feed system, extracting system and desolventizing system.
Description of the drawings
Fig. 1 is this utility model structural representation.
Specific embodiment
As shown in figure 1, subcritical continuous extraction desolventizing equipment, including the feed system, extracting system being sequentially connected and de-
Molten system, feed system include feed surge tank 1, head tank 2 and the first air extractor 3, the discharging opening of feed surge tank 1 with enter
The charging aperture connection of batch can 2, and the first gate valve 4 between the charging aperture of the discharging opening and head tank 2 of feed surge tank, is provided with, first
Air extractor 3 is connected with head tank 2；Extracting system includes flat turn extractor and extract draw-off pump 5, and flat turn extractor includes tank
Body 6 and the flat turn rotor being arranged in tank body 6 are integrated, and tank body 6 is cylinder, and flat turn extractor is that the vegetable oil materials such as Semen sojae atricolor are leached
The agent structure of conventional rotocel extractor, is structure known to oils industry, and flat turn rotor is integrated into fixed railing plank frame
Or button fly front structure or back pullout (BPO) structure, as flat turn rotor is integrated into prior art, its concrete structure will not be described here, and put down
Subset of walking around into quantity can be one or more, it is preferred that the integrated quantity of flat turn rotor is two, and respectively upper flat turn
Rotor integrated 19 and lower flat turn rotor integrated 20, extract draw-off pump 5 are connected with 6 bottom of tank body, and 6 upper end of tank body is provided with charging
Mouthful, the charging aperture of tank body 6 is connected with the discharging opening of 2 bottom of head tank, the charging aperture of tank body 6 and the discharging opening of 2 bottom of head tank
Between be provided with the second gate valve 7, and head tank 2 is located above tank body 6；Desolventizing system includes the first desolventizing device 8, the second desolventizing device 9
It is connected with the discharging opening of tank body 6 with the charging aperture of the second air extractor 10, the first desolventizing device 8 and the second desolventizing device 9 respectively, first
The 3rd gate valve 11, charging aperture and the tank body 6 of the second desolventizing device 9 are provided between the discharging opening of the charging aperture and tank body 6 of desolventizing device 8
The steam vent that the 4th gate valve 12, the first desolventizing device 8 and the second desolventizing device 9 are provided between discharging opening passes through 13 He of solvent air valve respectively
Solvent air valve 14 is connected with the second air extractor 10, is equipped with pusher leaf, and first in the first desolventizing device 8 and the second desolventizing device 9
Heating mantle is arranged with outside desolventizing device 8 and the second desolventizing device 9, the first desolventizing device 8 and 9 lower end of the second desolventizing device are respectively equipped with out
Material gate valve 15 and discharging gate valve 16.
Pusher leaf includes blade 17 and pusher shaft 18, and 17 one end of blade is fixedly connected with 18 centre position of pusher shaft, another
End and desolventizing device（First desolventizing device 8 is identical with 9 structure of the second desolventizing device）Inwall is contacted but does not produce interaction force；Blade 17
Quantity be 2～4, the angle between blade 17 and pusher shaft 18 is 0.5～10 °, when stirring to the wet dregs of rice, will not be made
The wet dregs of rice occur to pile up.
The specific work process of this device is：Continuous supplied materials is introduced into caching in feed surge tank 1, reach it is a certain amount of it
After open the first gate valve 4, vacuum state is now in head tank 2, due to the effect of pressure reduction, the material in feed surge tank 1
Quickly enter in head tank 2, head tank 2 cuts out the first gate valve 4 after being filled by material, then starts the first air extractor 3, will
In head tank 2, the air of material clamp band is discharged, and the first pumping dress is closed when the pressure in the head tank 2 is reached below -0.06Mpa
3 are put, the second gate valve 7 is opened, the solvent gas in tank body 6 rapidly enter the material in head tank 2 in impact head tank 2, material
Acutely stirred, when the pressure in head tank 2 and tank body 6 is equal, loose material automatically falls into tank under gravity
In body 6, treat to close after the material in head tank 2 is drained and open the second gate valve 7, then start the first air extractor 3, make charging
Vacuum state is reached in tank 2（Pressure value reaches below -0.06Mpa）, carry out the standard for receiving material in feed surge tank 1 next time
It is standby, this 3 expellant gas of the first air extractor is collected, which is contained within solvent, by this solvent gas recycling；
Said process realizes material by the charging under atmospheric pressure state to subnormal ambient, the gas being mingled with having discharged material, while returning
The solvent gas in head tank 2 are received.
Extracted in the presence of upper flat turn rotor integrated 19 and lower flat turn rotor integrated 20 into the material in tank body 6
Take, tank body 6 is cylinder type vessel shell, and upper flat turn rotor integrated 19 and lower flat turn rotor integrated 20 are arranged on same turn
On axle, counter-current extraction of the material in tank body 6 is realized, concentration highest extract is drawn to outside by extract draw-off pump 5
Vapo(u)rization system.
First desolventizing device 8 is identical with the structure of the second desolventizing device 9, and material produces the wet dregs of rice after extraction in tank body 6,
The wet dregs of rice are contained within solvent, are first turned on the 3rd gate valve 11, and the wet dregs of rice in tank body 6 are introduced in the first desolventizing device 8, reach first and take off
The 3rd gate valve 11 is closed after the burden rating of molten device 8, the 4th gate valve 12 is then opened, the remaining wet dregs of rice are entered in tank body 6
In second desolventizing device 9；First desolventizing device 8 is opened its corresponding heating mantle and the first desolventizing device 8 is heated after filling the wet dregs of rice, push away
Material axle 18 drives blade 17 to rotate and the wet dregs of rice is stirred, and makes the solvent in the wet dregs of rice be heated fully and vaporizes, is then turned on second and takes out
Solvent gas in 10 pairs of the first desolventizing devices 8 of device of air are extracted and are collected, and are improved the utilization rate of solvent, are treated the first desolventizing device
When reaching vacuum state in 8（Pressure value reaches below -0.06Mpa）, solvent air valve 13 is closed, discharging gate valve 15 is opened, is passed through
Pusher shaft 18 drives the rotation of blade 17 to discharge through precipitation and reach the wet finished product dregs of rice of discharge standard, and wet dregs of rice discharge is closed after finishing
Discharging gate valve 15 is closed, the gas that solvent air valve 13 is extracted using the second air extractor 10 in first desolventizing device 8 is then opened, the is treated
When reaching vacuum state in one desolventizing device 8（Pressure value reaches below -0.06Mpa）, solvent air valve 13 is closed, is carried out and is connect next time
The removing dampness dregs of rice carry out the preparation of carrying out precipitation treatment；The operation principle and the complete phase of the course of work of the first desolventizing device 8 and the second desolventizing device 9
Together；Receive the wet dregs of rice and carry out precipitation by the first desolventizing device 8 and the alternating of the second desolventizing device 9, it is ensured that the continuous extraction of flat turn extractor
Take and continuously go out the dregs of rice.
This utility model can extract following materials：Semen sojae atricolor, Semen arachidis hypogaeae, Semen Sesami, Semen Juglandiss, Fructus Tritici aestivi, Fructus Maydiss, rice
Bran, Semen Vitis viniferae, Semen Granati, Semen Armeniacae Amarum, Semen Lini, Fructus Perillae, moringa seeds, seed of black currant, Semen Camelliae, Cyperus esculentus, Semen Flos Carthami, Fructus Lycopersici esculenti
Seed, Salvia Hispanica L. seed, Lignum Xanthoceratiss, the strange fruit of print, Semen Pini, cacao bean, Flos Tagetis Erectae, Fructus Capsici, Flos Rosae Rugosae, Flos Jasmini Sambac, Folium Artemisiae Argyi, ten Herba Coriandris, sink
Perfume, Lignum Santali Albi, Pericarpium Zanthoxyli, Fructus Foeniculi, Fructus Cumini Cymini, Bulbus Allii, Ganoderma spore, microbial algal, Folium Camelliae sinensis, Nicotiana tabacum L., Fructus Schisandrae Chinensis, Semen Cucurbitae, without trouble
Son, tenebrio molitor, Pupa bombycises, yolk powder, Acipenser Sinensis, squid.
The subcritical solvent that this utility model can be used has propane, butane, iso-butane, dimethyl ether, R134a（1,1,1,
2- tetrafluoroethane）And liquefied ammonia.
Claims (7)
1. subcritical continuous extraction desolventizing equipment, it is characterised in that：Including the feed system, extracting system and precipitation that are sequentially connected
System, feed system include feed surge tank, head tank and the first air extractor, discharging opening and the head tank of feed surge tank
Charging aperture connects, and expects to be provided with the first gate valve between the discharging opening and the charging aperture of head tank of surge tank, the first air extractor with
Head tank connects；Extracting system includes flat turn extractor and extract draw-off pump, and flat turn extractor includes tank body and is arranged at tank
Internal flat turn rotor is integrated, and extract draw-off pump is connected with tank base, and tank body upper end is provided with charging aperture, the charging aperture of tank body
It is connected with the discharging opening of charging pot bottom, between the discharging opening of the charging aperture and charging pot bottom of tank body, is provided with the second gate valve, and
Head tank is located above tank body；Desolventizing system includes the first desolventizing device, the second desolventizing device and the second air extractor, the first desolventizing device
Be connected with the discharging opening of tank body with the charging aperture of the second desolventizing device respectively, the charging aperture of the first desolventizing device and the discharging opening of tank body it
Between be provided with the 3rd gate valve, be provided with the 4th gate valve between the discharging opening of the charging aperture and tank body of the second desolventizing device, the first desolventizing device and
The steam vent of the second desolventizing device is connected with the second air extractor by solvent air valve respectively, in the first desolventizing device and the second desolventizing device
It is equipped with outside pusher leaf, and the first desolventizing device and the second desolventizing device and is arranged with heating mantle, the first desolventizing device and the second precipitation
Device lower end is respectively equipped with discharging gate valve.
2. subcritical continuous extraction desolventizing equipment according to claim 1, it is characterised in that：The pusher leaf includes blade
And pusher shaft, blade one end is fixedly connected with pusher shaft centre position, and the other end is contacted with desolventizing device inwall but do not produced mutually
Active force.
3. subcritical continuous extraction desolventizing equipment according to claim 2, it is characterised in that：The quantity of the blade is 2
～4.
4. subcritical continuous extraction desolventizing equipment according to claim 3, it is characterised in that：The blade and pusher shaft it
Between angle be 0.5～10 °.
5. subcritical continuous extraction desolventizing equipment according to claim 1, it is characterised in that：The flat turn rotor is integrated into
Fixed railing plank frame or button fly front structure or back pullout (BPO) structure.
6. subcritical continuous extraction desolventizing equipment according to claim 1 or 5, it is characterised in that：The flat turn rotor collection
Into quantity 1～5, and all in same rotating shaft.
7. subcritical continuous extraction desolventizing equipment according to claim 1, it is characterised in that：The tank body is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201621095819.1U CN206051975U (en) | 2016-09-30 | 2016-09-30 | Subcritical continuous extraction desolventizing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095819.1U CN206051975U (en) | 2016-09-30 | 2016-09-30 | Subcritical continuous extraction desolventizing equipment |
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| CN206051975U true CN206051975U (en) | 2017-03-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120915A (en) * | 2017-06-06 | 2017-09-01 | 北京科瑞博远科技有限公司 | Cyclic nitrogen drying device with solvent recovery function |
| CN108531288A (en) * | 2018-06-06 | 2018-09-14 | 安阳工学院 | The technique of subcritical stage extraction Chinese prickly ash flavor components |
| CN114259755A (en) * | 2022-01-11 | 2022-04-01 | 深圳市九然生物科技有限公司 | Method for extracting omega-3 and omega-6 fatty acid-rich composition from Indian crabapple |
| CN114307245A (en) * | 2022-01-17 | 2022-04-12 | 上海永鸿机电设备有限公司 | Supercritical CO material capable of keeping inherent shape of material2Extraction device and process |
-
2016
- 2016-09-30 CN CN201621095819.1U patent/CN206051975U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120915A (en) * | 2017-06-06 | 2017-09-01 | 北京科瑞博远科技有限公司 | Cyclic nitrogen drying device with solvent recovery function |
| CN108531288A (en) * | 2018-06-06 | 2018-09-14 | 安阳工学院 | The technique of subcritical stage extraction Chinese prickly ash flavor components |
| CN108531288B (en) * | 2018-06-06 | 2022-04-12 | 安阳工学院 | Process for subcritical segmented extraction of pepper flavor components |
| CN114259755A (en) * | 2022-01-11 | 2022-04-01 | 深圳市九然生物科技有限公司 | Method for extracting omega-3 and omega-6 fatty acid-rich composition from Indian crabapple |
| CN114307245A (en) * | 2022-01-17 | 2022-04-12 | 上海永鸿机电设备有限公司 | Supercritical CO material capable of keeping inherent shape of material2Extraction device and process |
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