CN105498386B - The extraction element of this spices of tobacco in tobacco leaf processing waste gas - Google Patents

The extraction element of this spices of tobacco in tobacco leaf processing waste gas Download PDF

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Publication number
CN105498386B
CN105498386B CN201610076383.XA CN201610076383A CN105498386B CN 105498386 B CN105498386 B CN 105498386B CN 201610076383 A CN201610076383 A CN 201610076383A CN 105498386 B CN105498386 B CN 105498386B
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CN
China
Prior art keywords
tobacco
spices
waste gas
tobacco leaf
leaf processing
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.)
Expired - Fee Related
Application number
CN201610076383.XA
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Chinese (zh)
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CN105498386A (en
Inventor
董浩
狄永忠
马树弢
齐蔚
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.)
YUNNAN RUIJIE BIOTECHNOLOGY Co Ltd
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YUNNAN RUIJIE BIOTECHNOLOGY Co Ltd
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Priority to CN201610076383.XA priority Critical patent/CN105498386B/en
Publication of CN105498386A publication Critical patent/CN105498386A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/48Removing dust other than cleaning filters, e.g. by using collecting trays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00Essential oils; Perfumes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/90Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a kind of this fragrant fragrance device of tobacco leaf processing waste gas extraction tobacco, tobacco leaf processing waste gas extracts this fragrant fragrance device of tobacco and processes exhausting waste gas pipeline including tobacco leaf, booster fan and deduster are set on discharge duct, discharge duct sets at least two spices collector by exhaust branch pipe, deduster uses sack cleaner, sack cleaner bottom sets dust collection container, spices collector includes housing and end cap, set in housing on several fragrance absorption pipes and absorption tube fixed seat, exhaust branch pipe and be respectively provided with control valve.With reference to the extracting method of the present invention, the continuous production for realize tobacco leaf processing and tobacco this fragrant fragrance absorption, extracting, and the leakage without toxic and harmful gas;This spices of tobacco all recovery that tobacco leaf can be made to process in waste gas, it is to avoid the waste of this spices of tobacco and the pollution of environment and air in waste gas.

Description

The extraction element of this spices of tobacco in tobacco leaf processing waste gas
Technical field
The invention belongs to technical field of cigarette processing, more particularly in a kind of tobacco leaf processing waste gas, this spices of tobacco is carried Take device.
Background technology
In cigarette primary processing and beat during cigarette is taken a second test and produce large quantity of exhaust gas, the waste gas is often with the peculiar strong thorn of tobacco Nose smell, the mainly volatile substances that are discharged in tobacco leaf or pipe tobacco, these volatile substances be the important cause of cigarette it is fragrant into Point, there is important effect to the ecosystem quality for keeping cigarette.Therefore, these waste gas are directly discharged into air, not only bring compared with For serious environmental pollution, while also resulting in wasting for useful component in tobacco leaf resource.
In recent years, useful component is reclaimed in tobacco curing waste gas to start to be paid close attention to by society, such as Application No. 201320128419.6 patent discloses a kind of equipment of tobacco leaf processing waste gas pollution control and treatment with reclaiming spices, and it is in air inlet with going out At least three adsorption layers spaced apart are provided between air port, each adsorption layer is by anhydrous sodium sulfate, sponge, quartz Sand, glass fibre, carbon fiber cotton, activated carbon, macroreticular resin, silica gel, calcium chloride and acetate fiber absorbent composition reclaimer, And vibrator is set on inlet side setting basket strainer, basket strainer, the recovery of spices in tobacco leaf processing waste gas can be realized.This The major defect one of technology is that its dust isolated by basket strainer is discarded in vain, and these dust be often adsorbed with it is a certain amount of Tobacco leaf fragrance component, and contain tobacco leaf powder in dust, wherein tobacco leaf fragrance component enriches, and the discarded of these spices has a strong impact on The rate of recovery of spices in waste gas;Two be its in the process of running, when change absorbed layer when, or stop tobacco curing waste gas discharge, Production efficiency is then influenceed, and if not stopping waste gas discharge, exhaust gas leakage can be produced when extracting absorbed layer out, brings environment dirty Dye, damages operator's health;Three be that it carries out carrying for spices by the way of alcohol in high concentration elutes then molecular distillation Take, the fragrance-quality produced is poor.
The content of the invention
It is an object of the invention to overcome defect of the prior art, there is provided a kind of rate of recovery height, the cigarette of superior product quality This fragrant fragrance device of leaf processing waste gas extraction tobacco.
Adopted the technical scheme that to achieve the above object:A kind of tobacco leaf processing waste gas extracts tobacco this spices dress Put, including tobacco leaf is processed and booster fan and deduster is set on exhausting waste gas pipeline, the discharge duct, the discharge duct leads to Cross exhaust branch pipe and at least two spices collector is set, the deduster uses sack cleaner, and the sack cleaner bottom is set Put dust collection container, the spices collector include setting in housing and end cap, the housing several fragrance absorption pipes and Control valve is respectively provided with absorption tube fixed seat, the exhaust branch pipe, the spices collector includes housing and end cap, the housing Interior several fragrance absorption pipes of setting and absorption tube fixed seat, the fragrance absorption pipe two ends set expanded metals, and there is graininess inner chamber Solid absorbent.
The fragrance absorption pipe is built with granular solids absorbent.
The sack cleaner sets impulse ash blower and rotary blanking mechanism.
The impulse ash blower includes high-pressure pump, high pressure draught nozzle and controller.
The air inlet of the high-pressure pump is connected with the gas outlet of deduster
The rotary blanking mechanism is located at sack cleaner bottom, and it has in a housing, housing is set by main shaft Material-falling hopper is equipped with, the main shaft is connected with stepper motor and controller.
It is a kind of to extract the method that tobacco this fragrant fragrance device extracts this spices of tobacco using described tobacco leaf processing waste gas, Carry out according to the following steps:
(1) tobacco leaf processing exhaust emission suction system is started, while starting the deduster and control valve;
(2) after to be absorbed 12-24 hours, the control valve of an exhaust branch pipe is closed, spices on the exhaust branch pipe is opened and receives The end cap of storage, changes after fragrance absorption pipe, installs end cap, the control valve for opening the exhaust branch pipe is continued to run with;
(3) repeat step (2), to spices collector circulate operation on each exhaust branch pipe, and by the fragrance absorption pipe removed In absorbent pour out, supercritical CO is carried out according to a conventional method2Extraction, this spices grease of obtained tobacco, the absorption isolated Agent is recycled;
(4) after the deduster is run 1-5 days, the dust in the dust collection container is taken out, is carried out according to a conventional method Supercritical CO2Extraction, this spices grease of obtained tobacco, the dust isolated is discarded;
(5) repeat step (2), (3), realize continuous production.
The extraction element of this spices of tobacco in the tobacco leaf processing waste gas of the present invention, using supercritical CO2The method of extraction The extraction of this spices of tobacco in tobacco leaf processing waste gas and dust is carried out, thus this spices purity of obtained tobacco is reachable More than 99.5%;By way of multiple branch circuit absorbs, the continuous life for realize tobacco leaf processing and tobacco this fragrant fragrance absorption, extracting Production, and the leakage without toxic and harmful gas;The present invention not only fills to tobacco this fragrant fragrance component that tobacco leaf is processed in waste gas The separation and extraction divided, and to the tobacco contained by dust in waste gas, this spices is completely extracted, thus add tobacco leaf Tobacco this spices in work waste gas is all reclaimed, obtain good economic benefit, it is to avoid this spices of tobacco in waste gas Waste and the environment brought and atmosphere pollution are discharged by waste gas.The extraction element of the present invention has simple in construction, easy to operate, property Can be reliable the advantages of.
Brief description of the drawings
Fig. 1 is the structural representation that tobacco leaf processing waste gas extracts this fragrant fragrance device of tobacco in the present invention.
Embodiment
As shown in figure 1, this fragrant fragrance device of the tobacco leaf processing waste gas extraction tobacco of the present invention, is in tobacco leaf processing waste gas row In feed channel 23, booster fan 1 and deduster are connected with turn, the gas outlet of deduster is communicated with least two exhaust branch pipe 11, 1 spices collector 12 is set on each exhaust branch pipe 11, the gas outlet of multiple spices collectors 12 can connect exhaust main 18, the waste gas extracted after tobacco leaf spices is collected and is discharged into air.The deduster can use sack cleaner 2, obtain no powder The purification gas of dirt, the bottom of sack cleaner 2 sets dust collection container 7, for collecting the dust in tobacco leaf processing waste gas, Then extract tobacco contained therein this spices.The sack cleaner 2, which has in a closed housing 21, housing 21, to be set There is dust-removal cloth-bag 22, tobacco leaf processes waste gas and enters dust-removal cloth-bag 22, the purification after filtering by the air inlet at the top of housing 21 The cavity that gas enters between dust-removal cloth-bag 22 and housing 21, and discharged by the gas outlet of the bottom side of housing 21, it is separating obtained Dust is discharged by the dust fall mouthful of the bottom of housing 21.The sack cleaner 2 is provided with impulse ash blower, the impulse soot blowing dress Put including high-pressure pump 10, high pressure draught nozzle 3 and controller 4, the high pressure draught nozzle 3 is located at the upper of sack cleaner 2 Portion, and dust-removal cloth-bag 22 is put in, under the control of controller 4 by the jet time interval and frequency of setting into dust-removal cloth-bag 22 Wall sprays high pressure draught, makes to be deposited with and is constantly come off with the dust on the wall of dust-removal cloth-bag 22, can greatly improve efficiency of dust collection.It is described The air inlet of high-pressure pump 10 can be connected with the gas outlet of sack cleaner 2, directly anti-using the tobacco leaf processing waste gas after purification Blow the dust on the wall of dust-removal cloth-bag 22, it is to avoid subsequent absorption handles the increase of exhausted air quantity.Can closed company in the bottom of sack cleaner 2 A rotary blanking mechanism is connect, the rotary blanking mechanism has a housing 6, housing 6 is interior to set several to fall by main shaft 8 Hopper 9, the main shaft 8 realizes that intermittence determines angle and rotates splicing by stepper motor (not shown) and controller 5, and can prevent from removing Gas leakage in dirt cloth bag 22, the material-falling hopper 9 for going to lower section topples over dust in dust collection container 7 as described.The perfume (or spice) Expect that collector 12 includes housing 13 and end cap 14, the air inlet of the housing 13 passes through exhaust branch pipe 11 and sack cleaner 2 Gas outlet is connected, and exhaust outlet is connected with the exhaust main 18.Several fragrance absorption pipes 16 and absorption tube are set in housing 13 Several through holes are set in fixed seat 15, absorption tube fixed seat 15, for inserting fragrance absorption pipe 16, the fragrance absorption pipe 16 Annular boss can be set in outer circumferential sides, for inserting positioning, and prevents the leakage of gas, the two ends arranging plate of fragrance absorption pipe 16 There is granular solids absorbent 17 net, inner chamber.Control valve 20 is provided with each exhaust branch pipe 11, the respectively exhaust branch is controlled respectively The break-make of pipe 11.
The present invention processes the method that waste gas extracts this fragrant fragrance device progress tobacco leaf spices extraction of tobacco using above-mentioned tobacco leaf It is:After tobacco leaf processing exhaust emission suction system is started, that is, start the deduster and its impulse ash blower and rotatably fall Expect mechanism, while opening the control valve 20 of each exhaust branch pipe, now the purification gas after dedusting is received by each spices simultaneously Storage 12, fragrance component contained therein is adsorbed by absorbent 17, absorbs the waste gas after spices by the gas outlet of spices collector 12 It is discharged into through the exhaust main 18 in air, and thereby eliminates environmental pollution.Determined, run 12-24 hours according to experiment The absorbent 17 in fragrance absorption pipe reaches basic adsorption saturation state afterwards, at this moment first closes the control valve of an exhaust branch pipe 11 20, the end cap 14 of spices collector 12 on the exhaust branch pipe 11 is opened, the fragrance absorption pipe 16 in it is taken out, change the outfit new spices After the installation of end cap 14 is fixed after absorption tube 16, the control valve 20 for opening the exhaust branch pipe 11 is continued to run with;Changing the row On gas branch pipe 11 in spices collector 12 while fragrance absorption pipe 16, the spices collector 12 on other exhaust branch pipes 11 is normal Operation, thus the operation of preamble flow need not be stopped, be also not in the leakage pollution of the waste gas of spices containing tobacco leaf.So circulation pair The circulate operation of spices collector 12 on each exhaust branch pipe 11, and the absorbent 17 in the fragrance absorption pipe 16 removed is poured out, i.e., Complete the harvesting of tobacco leaf spices.Then the absorbent 17 for pouring out collection is subjected to supercritical CO by a conventional method2Extraction, that is, make The tobacco of high-purity this spices grease, the absorbent isolated can be recycled.Carrying out what spices collector 12 was operated Meanwhile, depending on the size and the running rhythm of extraction procedure of the dust collection container capacity, it can be run 1-5 days in the deduster Afterwards, the dust in the dust collection container 7 is taken out, supercritical CO is carried out according to a conventional method2Extraction, this spices of obtained tobacco Grease, the dust isolated is discarded, and is achieved in the continuous production of tobacco leaf processing and tobacco this spices extraction.

Claims (5)

1. a kind of this fragrant fragrance device of tobacco leaf processing waste gas extraction tobacco, it is characterised in that:Waste gas exhaust pipe is processed including tobacco leaf Booster fan and deduster are set on road, the discharge duct, and the discharge duct sets at least two spices by exhaust branch pipe Collector, the deduster uses sack cleaner, and the sack cleaner bottom sets dust collection container, and the spices is received Storage includes setting several fragrance absorption pipes and absorption tube fixed seat, the exhaust branch pipe in housing and end cap, the housing On be respectively provided with control valve, the fragrance absorption pipe two ends set expanded metals, and there is granular solids absorbent inner chamber;
Described tobacco leaf processing waste gas extracts the method that tobacco this fragrant fragrance device extracts this spices of tobacco, it is characterised in that: It is to carry out according to the following steps:
(1)Start tobacco leaf processing exhaust emission suction system, while starting the deduster and control valve;
(2)After to be absorbed 12-24 hours, the control valve of an exhaust branch pipe is closed, spices collector on the exhaust branch pipe is opened End cap, change fragrance absorption pipe after, install end cap, the control valve for opening the exhaust branch pipe is continued to run with;
(3)Repeat step(2), to spices collector circulate operation on each exhaust branch pipe, and by the fragrance absorption pipe removed Absorbent is poured out, and supercritical CO is carried out according to a conventional method2Extraction, this spices grease of obtained tobacco, the absorbent isolated is followed Ring is used;
(4)After the deduster is run 1-5 days, the dust in the dust collection container is taken out, super face is carried out according to a conventional method Boundary CO2Extraction, this spices grease of obtained tobacco, the dust isolated is discarded;
(5)Repeat step(2)、(3), realize continuous production.
2. this fragrant fragrance device of tobacco leaf processing waste gas extraction tobacco as claimed in claim 1, it is characterised in that:The cloth bag is removed Dirt device sets impulse ash blower and rotary blanking mechanism.
3. this fragrant fragrance device of tobacco leaf processing waste gas extraction tobacco as claimed in claim 2, it is characterised in that:The pulse is blown Apparatus for ash includes high-pressure pump, high pressure draught nozzle and controller.
4. this fragrant fragrance device of tobacco leaf processing waste gas extraction tobacco as claimed in claim 3, it is characterised in that:The high pressure gas The air inlet of pump is connected with the gas outlet of deduster.
5. this fragrant fragrance device of tobacco leaf processing waste gas extraction tobacco as claimed in claim 2, it is characterised in that:It is described rotary Blanking mechanism is located at sack cleaner bottom, and it has in a housing, housing is provided with material-falling hopper, the main shaft by main shaft It is connected with stepper motor and controller.
CN201610076383.XA 2014-01-29 2014-01-29 The extraction element of this spices of tobacco in tobacco leaf processing waste gas Expired - Fee Related CN105498386B (en)

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CN201610076383.XA CN105498386B (en) 2014-01-29 2014-01-29 The extraction element of this spices of tobacco in tobacco leaf processing waste gas
CN201410043205.8A CN103785269B (en) 2014-01-29 2014-01-29 Tobacco leaf processes extraction element and the extracting method of this spices of tobacco in waste gas

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2964622T3 (en) * 2014-09-30 2024-04-08 Philip Morris Products Sa Recovery of tobacco constituents from processing
CN116272256A (en) * 2020-11-10 2023-06-23 云南烟叶复烤有限责任公司 Method and device for collecting tobacco fragrance in redried tobacco tail gas

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1665548A (en) * 2002-05-01 2005-09-07 斯玛特空气设备株式会社 Air sterilizer using ozone
CN202355978U (en) * 2011-11-24 2012-08-01 肖文龙 Cyclone-type management device for recovering organic gas generated by spraying paint
CN103111154A (en) * 2013-03-20 2013-05-22 昆明华辰投资有限公司 Method for treating tobacco leaf processing waste gas and recovering spice

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11182914A (en) * 1997-12-18 1999-07-06 Daikin Ind Ltd Air treating device
CN101507896B (en) * 2009-02-24 2012-05-30 浙江大学 POPs removal method from flue gas based on pulse filter and active carbon reclamation
CN102326859B (en) * 2011-06-30 2012-12-19 红云红河烟草(集团)有限责任公司 Method for extracting tobacco fragrance perfumes from waste gas during processing of cigarettes
CN203737056U (en) * 2014-01-29 2014-07-30 北京创联伍杰科技有限公司 Extraction device for tobacco basic-flavor spices in tobacco leaf processing waste gas

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1665548A (en) * 2002-05-01 2005-09-07 斯玛特空气设备株式会社 Air sterilizer using ozone
CN202355978U (en) * 2011-11-24 2012-08-01 肖文龙 Cyclone-type management device for recovering organic gas generated by spraying paint
CN103111154A (en) * 2013-03-20 2013-05-22 昆明华辰投资有限公司 Method for treating tobacco leaf processing waste gas and recovering spice

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CN103785269B (en) 2016-01-27
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