CN101596373A - Liquid rotary type continuous extraction process and device - Google Patents
Liquid rotary type continuous extraction process and device Download PDFInfo
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- CN101596373A CN101596373A CNA2009100651980A CN200910065198A CN101596373A CN 101596373 A CN101596373 A CN 101596373A CN A2009100651980 A CNA2009100651980 A CN A2009100651980A CN 200910065198 A CN200910065198 A CN 200910065198A CN 101596373 A CN101596373 A CN 101596373A
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Abstract
Liquid rotary type continuous extraction process disclosed by the invention comprises the steps: the reinforced mixing of a.: granular material is added the extract of separating with cyclone in the blending tank continuously fully mix; B. rotary liquid extraction: extract by enter many group spiral-flow type extractors by static mixer through mixed material, the extraction time can be controlled in 10～30 minutes, ratio of solvent (weight ratio of material and solvent): 1: 2～5, solvent is hexane or ethanol or acetone; C. solvent evaporation: the combined evaporimeter of forming via falling film type column tube evaporimeter and stripper through the mixed liquor of extraction obtains extract; D. solvent recovery: cool off by condenser through the solvent of evaporation and to reclaim e. material precipitation dried recovered: the material that is extracted earlier after leaf filter filters again through vapor stream drier and twice drying of steam jacket formula spiral dryer, further remove recovery solvent wherein.Solved the difficult problem that general extractor granular material stops up.
Description
Technical field
The invention belongs to extraction and reclaim the technology field, what relate generally to is a kind of liquid rotary type continuous extraction process and device, is applicable to the extraction and the recovery of granular material.
Background technology
The extraction of granular material always is a difficult problem, and leaching is used filtration formula or immersion type extractor mostly, often because the granular material solvent is difficult to infiltration and can't realizes, because the granular material granularity is too small, reaches 200 order/inches as the bleaching clay granularity.Tiny material like this, a spray through solvent will be washed into below the screen cloth, causes serious obstruction accident, and extracting operation can't be proceeded.For this reason up to the present, the extraction of granular material being confined to first granulation carries out again.Elder generation's granulation also is a kind of extraction process, and this extraction process can only adopt filtration formula extractor, and the drawback of existence is that complex process, power consumption are big.The present invention distinguishes prior art, is directly to extract granular material, also is purpose of the present invention.
Summary of the invention
Purpose of the present invention provides a kind of liquid rotary type continuous extraction process and device at an existing difficult problem in the above-mentioned prior art just, has solved the difficult problem that general extractor granular material extraction is stopped up.
The present invention realizes that the technical scheme that above-mentioned purpose is taked is: extraction process comprises the steps: successively
A. reinforced mixing the: granular material is added the extract of separating with cyclone in the blending tank continuously fully mix;
B. rotary liquid extraction: extract by enter many group spiral-flow type extractors by static mixer through mixed material, the extraction time can be controlled in 10～30 minutes, ratio of solvent (weight ratio of material and solvent): 1: 2～5, solvent is hexane or ethanol or acetone;
C. solvent evaporation: the combined evaporimeter of forming via falling film type column tube evaporimeter and stripper through the mixed liquor of extraction obtains extract;
D. solvent recovery: the solvent through evaporation cools off recovery by condenser;
E. material precipitation dried recovered: the material that is extracted earlier after leaf filter filters again through vapor stream drier 5 and steam jacket formula spiral dryer 6 twice drying, further remove recovery solvent wherein.
The present invention realizes that the device of above-mentioned process using is mainly by blending tank, extractor, the vane type vibration filtering, pneumatic conveyer dryer, the spiral dryer, combined evaporimeter, condenser, mix flow container, the extract jar, solvent tank, separator and trap are formed, mixed cylinder bottom discharging opening is communicated with first extractor, the top outlet of first extractor is communicated with the 3rd upper inlet of mixing flow container through separator, lower part outlet is communicated with first upper inlet of mixing flow container, first lower part outlet that mixes flow container is communicated with the upper inlet of second extractor, another import on top is communicated with the outlet of vane type vibration filtering, the top outlet of second extractor is communicated with another import on mixed cylinder top, lower part outlet is communicated with second upper inlet of mixing flow container, second lower part outlet that mixes flow container is communicated with the import of vane type vibration filtering, upper inlet is communicated with solvent tank, the extract outlet and first of vane type vibration filters mixes flow container and is communicated with, the extract outlet is communicated with the import of pneumatic conveyer dryer, the top outlet of pneumatic conveyer dryer is connected with condenser through trap, lower part outlet is communicated with the import of spiral dryer, the top outlet of spiral dryer is connected with condenser through trap, the 3rd lower part outlet that mixes flow container is communicated with combined evaporimeter, the lower part outlet of combined evaporimeter is communicated with the extract jar, the top steam (vapor) outlet is communicated with condenser, and the outlet of all condensers all is communicated with solvent tank.
The traditional extraction process of above-mentioned extraction process step difference has been saved complicated huge extraction equipment and has been utilized cyclone that fluid is fully contacted with solvent in continuous operation in closed pipeline with material, material is carried out the extraction of continuous several times.The present invention mixes granular material and solvent earlier in reinforced blend step, carries out series of process such as rotary liquid extraction, solvent evaporation, solvent recovery, material precipitation dried recovered more simultaneously and finishes extraction process.
The present invention uses fluid fully to contact with solvent in continuous operation in closed pipeline, material is carried out the extraction of continuous several times.Solved the difficult problem that general extractor granular material stops up.The spiral-flow type extractor that is fit to the powdery materials abstraction.As purification, the recovery of noble metal Raney nickel, enrichment of the recovery of grease and rare ore etc. in the bleaching clay.Advantage of the present invention is can simplify extraction equipment, enhance productivity, reduce power, reach energy-saving effect.
Description of drawings
Accompanying drawing is a process principle figure of the present invention.
Among the figure: 1, blending tank, 2, extractor, 3, static mixer, 4, vane type vibration filters, 5, pneumatic conveyer dryer, 6, the spiral dryer, 7, combined evaporimeter, 8, condenser, 9, the absorption tower, 10, mix fluid cylinder, 11, the extract jar, 12, solvent tank, 13, separator, 14, heater, 15, trap, delivery pump, B1, B2, B3, B4, B5.
The specific embodiment
The present invention is further described below with reference to technological parameter, but does not limit the present invention.
Liquid rotary type continuous extraction process of the present invention comprises the steps: successively
A. reinforced mixing the: granular material added in the blending tank 1 continuously fully mix with solvent.Add the extract (solvent) that cyclone is separated during mixing.
B. rotary liquid extraction: extract by many groups spiral-flow type extractor 2 through mixed material.In course of conveying, to pass through static mixer 3 for improving the effect of extracting material.Make the abundant contact lysis extraction of material and solvent.The extraction time can be controlled in 10～30 minutes (its specific area of granular material is very big, very easily contacts and is extracted out rapidly with extractant, does not need long time for this reason).Ratio of solvent (weight ratio of material and solvent): rotary liquid extraction needs bigger ratio of solvent, can shorten the time like this and obtain good mobility, and ratio of solvent is 1: 2～5 (material/solvents) be advisable (solvent can be hexane, ethanol, acetone etc.).Extraction temperature: the height according to the extractant boiling point decides, and extraction temperature should be a little less than solvent boiling point, in order to avoid a large amount of vaporizations of solvent in extraction process.
C. solvent evaporation: the mixed liquor through extraction obtains extract through combined evaporimeter 7.This combined evaporimeter 7 is made up of falling film type column tube evaporimeter and stripper.
D. solvent recovery: the solvent through evaporation cools off recovery by condenser 8, and repetitive cycling is used.Its tail gas reclaims residual solvent get off by absorption tower 9.
E. material precipitation dried recovered: the material that is extracted earlier after leaf filter filters again through twice drying, further remove recovery solvent wherein.Be extracted material at last after fresh solvent washing, contain a large amount of solvents and will separate earlier through vane type vibration filters 4 earlier.
The device that the present invention realizes above-mentioned process using by blending tank 1, extractor 2, static mixer 3, vane type vibration filtering 4, pneumatic conveyer dryer 5, spiral dryer 6, combined evaporimeter 7, condenser 8, absorption tower 9, mix flow container 10, extract jar 11, solvent tank 12, separator 13, heater 14, trap 15 and delivery pump B1, B2, B3, B4, B5 and form (as shown in Figure 1), be provided with agitator in the mixed cylinder 1, its underpart discharging opening is communicated with first extractor 2 through delivery pump B1, static mixer 3.The outlet of the top of first extractor 2 through separator 13 be communicated with the 3rd upper inlet of mixing flow container 10, lower part outlet is communicated with the upper inlet of the first mixing flow container 10.First lower part outlet that mixes flow container 10 through delivery pump B2, static mixer 3 be communicated with the upper inlet of second extractor 2, another import on top is communicated with the outlet of vane type vibration filtering 4, the outlet of the top of second extractor 2 is communicated with another import on mixed cylinder 1 top, lower part outlet is communicated with the upper inlet of the second mixing flow container 10, the lower part outlet of the second mixing flow container 10 through delivery pump B3, static mixer 3 be communicated with the import of vane type vibration filtering 4, upper inlet heater via 14, delivery pump B4 be communicated with solvent tank 12.What vane type vibration filters 4 adopted is conventional equipment, the fine and closely woven filter plate of multi-disc eyelet is housed in it, solvent filters the back extract by filter plate and returns the first mixing flow container 10 through pipeline under the effect of pressure, and the powdery extract just is trapped on the filter plate, the material that leaches also contains about solvent of about 15%, dry up vibration by compressed air and material unloaded to enter discharge after pneumatic conveyer dryer 5 thoroughly adds the heat abstraction solvent by steam jacket formula spiral dryer 6 to certain thickness, the solvent that is evaporated out enters condenser 8 equally and reclaims and reuse.Pneumatic conveyer dryer 5 and steam jacket formula spiral dryer 6 separate case are applied for a patent.The outlet of the top of pneumatic conveyer dryer 5 through trap 15 be connected with condenser 8, lower part outlet is communicated with the import of spiral dryer 6, the top of spiral dryer 6 exports and is connected with condenser 8 through trap 15.The 3rd lower part outlet that mixes flow container 10 is communicated with combined evaporimeter 7 through delivery pump B4, this combined evaporimeter 7 is formed (separate case is applied for a patent) by falling film type column tube evaporimeter and stripper, and the lower part outlet of combined evaporimeter 7 is communicated with extract jar 11, the top steam (vapor) outlet is communicated with condenser 8.The outlet of all condensers 8 all is communicated with solvent tank 12, also is connected with absorption tower 9 on solvent tank 12, and effect is that the solvent collection that absorption tower 9 can be absorbed is reused.What static mixer 3 and trap 15 adopted is conventional equipment, and its effect is to make material and the abundant contact lysis extraction of solvent, improves effect of extracting.
Claims (6)
1, a kind of liquid rotary type continuous extraction process is characterized in that: this technology comprises the steps:
A. reinforced mixing the: granular material is added the extract of separating with cyclone in the blending tank continuously fully mix;
B. rotary liquid extraction: extract by enter many group spiral-flow type extractors by static mixer through mixed material, the extraction time can be controlled in 10～30 minutes, ratio of solvent (weight ratio of material and solvent): 1: 2～5, solvent is hexane or ethanol or acetone;
C. solvent evaporation: the combined evaporimeter of forming via falling film type column tube evaporimeter and stripper through the mixed liquor of extraction obtains extract;
D. solvent recovery: the solvent through evaporation cools off recovery by condenser;
E. material precipitation dried recovered: the material that is extracted earlier after leaf filter filters again through vapor stream drier and twice drying of steam jacket formula spiral dryer, further remove recovery solvent solvent wherein.
2, a kind of device of realizing the described liquid rotary type continuous extraction process of claim 1, it is characterized in that: mainly by blending tank (1), extractor (2), vane type vibration filtering (4), pneumatic conveyer dryer (5), spiral dryer (6), combined evaporimeter (7), condenser (8), mix flow container (10), extract jar (11), solvent tank (12), separator (13) and trap (15) are formed, mixed cylinder bottom discharging opening is communicated with first extractor (2), the top outlet of first extractor is communicated with the 3rd upper inlet of mixing flow container (10) through separator, lower part outlet is communicated with first upper inlet of mixing flow container (10), first lower part outlet that mixes flow container is communicated with the upper inlet of second extractor (2), another import on top is communicated with the outlet of vane type vibration filtering (4), the top outlet of second extractor (2) is communicated with another import on mixed cylinder (1) top, lower part outlet is communicated with second upper inlet of mixing flow container (10), second lower part outlet that mixes flow container is communicated with the import of vane type vibration filtering (4), upper inlet is communicated with solvent tank (12), the extract outlet and first of vane type vibration filters (4) mixes flow container (10) and is communicated with, the extract outlet is communicated with the import of pneumatic conveyer dryer (5), the top outlet of pneumatic conveyer dryer is connected with condenser (8) through trap (15), lower part outlet is communicated with the import of spiral dryer (6), the top outlet of spiral dryer is connected with condenser (8) through trap (15), the 3rd lower part outlet that mixes flow container (10) is communicated with combined evaporimeter (7), the lower part outlet of combined evaporimeter is communicated with extract jar (11), the top steam (vapor) outlet is communicated with condenser (8), and the outlet of all condensers all is communicated with solvent tank (12).
3, liquid rotary type continuous extraction process according to claim 1 is characterized in that: described solvent obtains extract by the evaporation of combined-type evaporator stripping tower.
4, the device of liquid rotary type continuous extraction process according to claim 2 is characterized in that: mix flow container (10) with first extractor (2), first at described mixed cylinder (1) and mix with second extractor (2), second on the connecting pipe of flow container (10) and vane type vibration filtering (4) and be provided with delivery pump and static mixer.
5, the device of liquid rotary type continuous extraction process according to claim 2 is characterized in that: the described the 3rd connecting pipe of mixing flow container (10) and combined evaporimeter (7) is provided with heater (14) and delivery pump (B4).
6, the device of liquid rotary type continuous extraction process according to claim 2 is characterized in that: described combined evaporimeter (7) is made up of falling film type column tube evaporimeter and stripper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100651980A CN101596373B (en) | 2009-06-16 | 2009-06-16 | Liquid rotary type continuous extraction process and device |
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| CN2009100651980A CN101596373B (en) | 2009-06-16 | 2009-06-16 | Liquid rotary type continuous extraction process and device |
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| CN101596373A true CN101596373A (en) | 2009-12-09 |
| CN101596373B CN101596373B (en) | 2011-06-22 |
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Cited By (8)
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| CN103725421A (en) * | 2013-09-25 | 2014-04-16 | 山东渤海实业股份有限公司 | Method for increasing utilization rate of cottonseed oil mixture refining by-products |
| CN103830931A (en) * | 2012-11-27 | 2014-06-04 | 张勇 | Full-automatic extraction-evaporation device |
| CN108939608A (en) * | 2018-06-22 | 2018-12-07 | 吉首大学 | A kind of desolventizing equipment of Bitter Orang P.E concentrate |
| CN109833643A (en) * | 2019-04-03 | 2019-06-04 | 迈安德集团有限公司 | A kind of oil-sand extracting system |
| CN110498468A (en) * | 2019-07-31 | 2019-11-26 | 江苏金博源环保科技有限公司 | Phenolic wastewater treatment extraction tower and stripping column Processes and apparatus |
| CN111377411A (en) * | 2018-12-29 | 2020-07-07 | 中国石油化工股份有限公司 | Insoluble sulfur production method and production system |
| CN111377413A (en) * | 2018-12-29 | 2020-07-07 | 中国石油化工股份有限公司 | Insoluble sulfur preparation method and system |
| CN114849275A (en) * | 2022-05-18 | 2022-08-05 | 郑州远洋油脂工程技术有限公司 | Ethanol extraction process of powdery material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5518621A (en) * | 1993-09-03 | 1996-05-21 | Hanover Research Corporation | Process for drying and solvent extraction of contaminated water-wet soils, sediments, and sludges |
| CN1181989A (en) * | 1997-09-08 | 1998-05-20 | 孙传经 | Supercritical continuous carbon dioxide extraction technology |
| CN1528487A (en) * | 2003-10-10 | 2004-09-15 | 大连理工大学 | Basic process flow of semicontinuous supercritical fluid extraction |
| CN101168492B (en) * | 2006-10-27 | 2010-10-13 | 北京金伟晖工程技术有限公司 | Aromatic hydrocarbons extraction system and method thereof |
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2009
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103830931A (en) * | 2012-11-27 | 2014-06-04 | 张勇 | Full-automatic extraction-evaporation device |
| CN103725421A (en) * | 2013-09-25 | 2014-04-16 | 山东渤海实业股份有限公司 | Method for increasing utilization rate of cottonseed oil mixture refining by-products |
| CN103725421B (en) * | 2013-09-25 | 2015-07-15 | 山东渤海实业股份有限公司 | Method for increasing utilization rate of cottonseed oil mixture refining by-products |
| CN108939608A (en) * | 2018-06-22 | 2018-12-07 | 吉首大学 | A kind of desolventizing equipment of Bitter Orang P.E concentrate |
| CN108939608B (en) * | 2018-06-22 | 2020-11-06 | 吉首大学 | Desolventizing equipment for immature bitter orange extract concentrated solution |
| CN111377411A (en) * | 2018-12-29 | 2020-07-07 | 中国石油化工股份有限公司 | Insoluble sulfur production method and production system |
| CN111377413A (en) * | 2018-12-29 | 2020-07-07 | 中国石油化工股份有限公司 | Insoluble sulfur preparation method and system |
| CN111377413B (en) * | 2018-12-29 | 2021-11-09 | 中国石油化工股份有限公司 | Insoluble sulfur preparation method and system |
| CN111377411B (en) * | 2018-12-29 | 2021-12-07 | 中国石油化工股份有限公司 | Insoluble sulfur production method and production system |
| CN109833643A (en) * | 2019-04-03 | 2019-06-04 | 迈安德集团有限公司 | A kind of oil-sand extracting system |
| CN109833643B (en) * | 2019-04-03 | 2024-01-26 | 迈安德集团有限公司 | Oil sand extraction system |
| CN110498468A (en) * | 2019-07-31 | 2019-11-26 | 江苏金博源环保科技有限公司 | Phenolic wastewater treatment extraction tower and stripping column Processes and apparatus |
| CN114849275A (en) * | 2022-05-18 | 2022-08-05 | 郑州远洋油脂工程技术有限公司 | Ethanol extraction process of powdery material |
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| CN101596373B (en) | 2011-06-22 |
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