CN1189389A - Multi-stage counterflow leaching process - Google Patents

Multi-stage counterflow leaching process Download PDF

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Publication number
CN1189389A
CN1189389A CN97101339A CN97101339A CN1189389A CN 1189389 A CN1189389 A CN 1189389A CN 97101339 A CN97101339 A CN 97101339A CN 97101339 A CN97101339 A CN 97101339A CN 1189389 A CN1189389 A CN 1189389A
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CN
China
Prior art keywords
infuser
wall
conveying worm
conveyer
outlet
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN97101339A
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Chinese (zh)
Inventor
杨时英
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Individual
Original Assignee
Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN97101339A priority Critical patent/CN1189389A/en
Publication of CN1189389A publication Critical patent/CN1189389A/en
Pending legal-status Critical Current

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  • Extraction Or Liquid Replacement (AREA)

Abstract

A multi-stage counter-flow extraction process in full-enclosed state features that the extractor for each stage has a screw conveyer for solid-liquid separation, the extracted liquid that is filtered out by perforated wall of screw conveyer is passed to preceding extractor, and the dewatered solid material is passed to next extractor.

Description

A kind of multi-stage counterflow leaching process
Extract technology be chemical industry, pharmacy, etc. industry be widely used as water extracting alcohol and common processes in the process such as put forward.Present known leaching method mostly is to adopt the mixture in the infuser to pass through pipeline, is transported to separator with pump and carries out Separation of Solid and Liquid, and solid that separator is come out and liquid are sent to next procedure with pump and pipeline respectively then.This method equipment disperses, and it is big to take up room.
The purpose of this invention is to provide a kind ofly, compact conformation is totally-enclosed, continuous type multi-stage counterflow leaching process.
The object of the present invention is achieved like this; A conveying worm is arranged in infuser, the bottom of the import of conveying worm in infuser, the outlet of conveying worm has one to add gland on the top of infuser in the outlet.The Tong wall of conveying worm is the double wall of double-deck hollow, and its internal layer is the sieve aperture wall, the sealing Tong wall that its skin is and infuser is isolated, and the enclosure space bottom between the ectonexine double wall has drain pipe to lead to outside the infuser, and leachate is transferred to the upper level infuser.The conveying worm outlet has a passage that completely cuts off with infuser to lead to outside the infuser after adding gland, solid material is transferred to the next stage infuser, can also install disconnectable filter screen Tong additional according to instructions for use in the conveyer internal layer sieve aperture Tong wall, the pressure that the outlet of conveyer adds gland is adjustable, position, import outer end on the conveyer main shaft can also be by the dress stirring blade, and conveyer can positive and negative both direction rotation.Behind solid material and lixiviate liquid adding infuser, can stirring blade be stirred by the conveyer reverse rotation, when this one-level leaching process is finished, conveyer just switches to be changeed, stirring blade becomes the state to the conveyer feed, the propeller blade that compound is transferred device is sent to outlet, in this process leachate by filter screen Tong sieve aperture Tong wall by the drain pipe pump of the enclosure space bottom between the double wall to the upper level infuser.Solid material is sent to outlet and the time is subjected to adding stopping of cover clamp, is taken off liquid by the propeller blade compression, and when adding gland pressure, solid material backs down and adds gland, leads to infuser from exit passageway and effluxes what next stage infuser up to compression pressure.Several such device serial connections get up just can realize that multi-stage countercurrent leaches.
Multi-stage counterflow leaching process of the present invention, owing to adopt conveying worm to carry out having realized Separation of Solid and Liquid when material shifts in infuser, separation process can be carried out under closed state continuously, makes facility compact, and the technology continuity is good, and energy loss is little.Keep the extract of extraction temperature and need the high volatile leachate of seal degree particularly suitable for still needing in some separation processes.Because multi-stage countercurrent leaches liquid-solid ratio is reduced, make corresponding the diminishing of volume of single-stage infuser, fallen at the end device fabrication difficulty when high pressure leaches.Be more suitable for leaching the high pressure extract technology of a class in resembling carbon dioxide.

Claims (5)

1. multi-stage counterflow leaching process; Its characteristic is, a conveying worm is arranged in infuser, the bottom of the import of conveying worm in infuser, and the outlet of conveying worm has one to add gland on the top of infuser in the outlet.The Tong wall of conveying worm is the double wall of double-deck hollow, and its internal layer is the sieve aperture wall, the sealing Tong wall that its skin is and infuser is isolated, and the enclosure space bottom between the ectonexine double wall has drain pipe to lead to outside the infuser, and leachate is transferred to the upper level infuser.The conveying worm outlet has a passage that completely cuts off with infuser to lead to outside the infuser after adding gland, and solid material is transferred to the next stage infuser.
2. according to claim 1, can also be in the conveyer internal layer sieve aperture Tong wall according to instructions for use by adorning disconnectable filter screen Tong.
3. according to claim 1, the pressure that the outlet of conveyer adds gland is adjustable.
4. according to claim 1, the position, import outer end on the conveyer main shaft can also be by the dress stirring blade.
5. according to claim 1, conveyer can positive and negative both direction rotation.
CN97101339A 1997-01-26 1997-01-26 Multi-stage counterflow leaching process Pending CN1189389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN97101339A CN1189389A (en) 1997-01-26 1997-01-26 Multi-stage counterflow leaching process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN97101339A CN1189389A (en) 1997-01-26 1997-01-26 Multi-stage counterflow leaching process

Publications (1)

Publication Number Publication Date
CN1189389A true CN1189389A (en) 1998-08-05

Family

ID=5165660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN97101339A Pending CN1189389A (en) 1997-01-26 1997-01-26 Multi-stage counterflow leaching process

Country Status (1)

Country Link
CN (1) CN1189389A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100415336C (en) * 2006-10-30 2008-09-03 周俊培 Multiple stage continuous adverse current type centrifugal leaching device suitable for powdery material
CN102352434A (en) * 2011-09-28 2012-02-15 株洲市兴民科技有限公司 Fluidization leaching method and device adopting spiral rotor and purpose
CN102350435A (en) * 2011-09-09 2012-02-15 韩扶军 Novel process for treating indigo alkaline residue
CN105506277A (en) * 2014-09-22 2016-04-20 湖北鑫荣矿业有限公司 Silver separation method through nitric acid
CN110498433A (en) * 2018-05-17 2019-11-26 江西迈特循环科技有限公司 A kind of method preparing the solution containing lithium ion, equipment and application

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100415336C (en) * 2006-10-30 2008-09-03 周俊培 Multiple stage continuous adverse current type centrifugal leaching device suitable for powdery material
CN102350435A (en) * 2011-09-09 2012-02-15 韩扶军 Novel process for treating indigo alkaline residue
CN102352434A (en) * 2011-09-28 2012-02-15 株洲市兴民科技有限公司 Fluidization leaching method and device adopting spiral rotor and purpose
CN105506277A (en) * 2014-09-22 2016-04-20 湖北鑫荣矿业有限公司 Silver separation method through nitric acid
CN105506277B (en) * 2014-09-22 2017-08-25 湖北鑫荣矿业有限公司 A kind of method of nitric acid point silver
CN110498433A (en) * 2018-05-17 2019-11-26 江西迈特循环科技有限公司 A kind of method preparing the solution containing lithium ion, equipment and application
CN110498433B (en) * 2018-05-17 2024-06-14 宜春邺诚科技有限公司 Method, equipment and application for preparing lithium ion-containing solution

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