CN107694315A - One kind eliminates the unusual smell method and its device - Google Patents

One kind eliminates the unusual smell method and its device Download PDF

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Publication number
CN107694315A
CN107694315A CN201711006501.0A CN201711006501A CN107694315A CN 107694315 A CN107694315 A CN 107694315A CN 201711006501 A CN201711006501 A CN 201711006501A CN 107694315 A CN107694315 A CN 107694315A
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CN
China
Prior art keywords
decoction
smell
reactor
oxidisability
reproducibility
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Pending
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CN201711006501.0A
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Chinese (zh)
Inventor
刘锐平
康勇锋
邵凯
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Beijing Hold Water Purification Material Technology Co Ltd
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Beijing Hold Water Purification Material Technology Co Ltd
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Priority to CN201711006501.0A priority Critical patent/CN107694315A/en
Publication of CN107694315A publication Critical patent/CN107694315A/en
Pending legal-status Critical Current

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    • 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/485Sulfur compounds containing only one sulfur compound other than sulfur oxides or hydrogen sulfide
    • 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/52Hydrogen sulfide
    • 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/58Ammonia
    • 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/72Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/10Oxidants
    • B01D2251/106Peroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/10Oxidants
    • B01D2251/108Halogens or halogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/30Alkali metal compounds
    • B01D2251/304Alkali metal compounds of sodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/80Organic bases or salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/306Organic sulfur compounds, e.g. mercaptans
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/406Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/704Solvents not covered by groups B01D2257/702 - B01D2257/7027
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s

Abstract

The present invention provides a kind of device for eliminating the unusual smell method and implementing the above-mentioned method that eliminates the unusual smell, and methods described comprises the following steps:The decoction using oxidisability or reproducibility is determined according to the reproducibility of pending smell substance or oxidisability, that is, when pending peculiar smell is produced by reducing substances, then using oxidisability decoction, when pending peculiar smell is produced by oxidizing substance, then using reproducibility decoction;The decoction of oxidisability or reproducibility is delivered to reactor;Pending smell substance is delivered to reactor by feed-line;It is using atomizer that decoction is atomization in reactor, promote smell substance to carry out redox reaction with decoction after atomization.Method and device disclosed by the invention is eliminated the unusual smell by carrying out redox reaction under atomization condition to realize, reaction efficiency is high, and processing peculiar smell effect is good.

Description

One kind eliminates the unusual smell method and its device
Technical field
The present invention relates to environmentally friendly instrument field, more particularly to one kind eliminates the unusual smell method and its device.
Background technology
Different smell causes unhappy on people's sense organ, and some different smells may impact to health.Effectively control different Stink is to improving production and living environment, ensureing that health plays an important role.Cause the material of different smell a lot, as hydrogen sulfide, Mercaptan, thioether, volatile organic matter (VOCs), ammonia, chlorine and metabolite of algae or actinomyces etc..
Removing the method for different smell mainly has absorption and sorption, oxidation or catalysis oxidation, microbial degradation, condensation recovery, film Separation and recovery etc..For different type, various concentrations, different project scenarios different smell material, the engineering skill that may be taken Significant difference be present in art scheme.Wherein, for components such as the higher VOCs of high concentration, recovery value, the technology reclaimed can be used Strategy;For the little component of high concentration, recovery value, it is contemplated that take the technology path of absorption;For low concentration different smell Material, the then it is contemplated that technical scheme such as oxidation, absorption, microbial degradation.
In municipal environmental area, some treatment agents with different smell are often used, such as ammonia, chlorine, vulcanized sodium Deng.In holding vessel, dissolving preparing tank in chemical agents such as sodium hypochlorite, liquid chlorine, liquefied ammonia, vulcanized sodium, above-mentioned medicine may be caused The peculiar smell loss of agent.In addition, some water treatment procedures can also produce the material with different smell, if for example, in anaerobic reactor Generation sulfate reduction, there may be the foul odour that simultaneously loss goes out hydrogen sulfide etc. for reactor exhaust outlet.In general, this In class project scenarios, often there is the methods of generation device quantity is more, different smell is narrow-minded, according to absorption and sorption, Not only processing is difficult, and operational management is also more complicated.On the other hand, above-mentioned different smell material typically has very strong oxidation Property or reproducibility, if a small amount of different smell gas caused by different smell material fast and effeciently can be aoxidized or reduced, and develop one Change midget plant, be then expected to the different smell control problem for solving similar scene, there is good application prospect.
The content of the invention
Eliminated the unusual smell method it is an object of the invention to provide one kind, methods described comprises the following steps:
The decoction using oxidisability or reproducibility is determined according to the reproducibility of pending smell substance or oxidisability, i.e. when When pending peculiar smell is produced by reducing substances, then using oxidisability decoction, when pending peculiar smell is produced by oxidizing substance When raw, then using reproducibility decoction;
The decoction of oxidisability or reproducibility is delivered to reactor;
Pending smell substance is delivered to reactor by feed-line;
It is using atomizer that decoction is atomization in reactor, promote smell substance and decoction progress redox after atomization anti- Should.
Preferably, described atomizer is to produce electronics high frequency oscillation using the high-frequency resonant of ceramic atomizing piece, by liquid Decoction water atomization forms water smoke;Frequency of oscillation is 1.7MHz~2.4MHz.
Preferably, described reducing substances is one kind or two in hydrogen sulfide, mercaptan, formaldehyde, thioether, ammoniacal liquor or VOCs The mixture of the kind above;Described oxidisability decoction is hydrogen peroxide, sodium peroxide, Peracetic acid sodium, sodium hypochlorite, bleaching Mixed solution more than one or both of powder, calcium hypochlorite, chlorine dioxide.
Preferably, described oxidizing substance is in chlorine, sodium hypochlorite, bleaching powder, calcium hypochlorite or Peracetic acid sodium One or more kinds of mixtures;Described reproducibility decoction is hydrogen sulfide, vulcanized sodium, sodium sulfite, sodium thiosulfate, salt Mixed solution more than one or both of sour azanol.
Preferably, the mass concentration of described oxidisability decoction or reproducibility decoction is 10%~30%.
Preferably, decoction is reacted after methods described is additionally included in described inside reactor, smell substance and atomization Region arrangement medium filler so that reaction contact area increase.
Preferably, described medium filler can be activated carbon, polyethylene ball, foam filter pearl, haydite, anthracite, magnet Mixtures more than one or both of ore deposit, bone black, concave convex rod, zeolite, fibrous nodules;Filler particles particle diameter is 2mm~20mm.
Present invention also offers a kind of device to eliminate the unusual smell, described device includes:
Store the decoction storage tank of oxidisability or reproducibility decoction;
For smell substance and the reactor of decoction reaction;
The decoction pipeline that the decoction storage tank is connected with the top of the reactor;
In the reactor, gas discharge outlet is set on top successively, internal position on the upper side sets atomizer, the atomizer Lower section sets packing area, and internal position on the lower side sets smell substance entrance, and bottom sets liquid outlet.
Preferably, valve is set in described decoction pipeline and described decoction is pumped to reaction from the decoction storage tank The chemical pump of device.
Preferably, the liquid outlet is connected by condensate liquid pipeline with condensate receiver.
According to present disclosure, obtainable beneficial effect at least that:
The present invention eliminate the unusual smell method and its device can according to different type different smell, different types of different smell component, Corresponding oxidisability decoction or reproducibility decoction are easily prepared, reaches preferably control different smell effect, is had extensive suitable Ying Xing;It is to be reacted under atomization condition in reactor, reaction efficiency is high, and removal effect is good.
It should be appreciated that foregoing description substantially and follow-up description in detail are exemplary illustration and explanation, should not As the limitation to the claimed content of the present invention.
Brief description of the drawings
With reference to the accompanying drawing enclosed, the present invention more purpose, function and advantages will pass through the as follows of embodiment of the present invention Description is illustrated, wherein:
Fig. 1 is the structural representation of a preferred embodiment of the device to be eliminated the unusual smell in the present invention;
Fig. 2 is the structural representation of the atomizer in the present invention;
Fig. 3 is the structural representation of an embodiment of the device to be eliminated the unusual smell in the present invention.
Embodiment
By reference to one exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function Method will be illustrated.However, the present invention is not limited to one exemplary embodiment as disclosed below;Can by multi-form come It is realized.The essence of specification is only to aid in the detail of the various equivalent modifications Integrated Understanding present invention.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical reference represents identical Or similar part, or same or like step.
According to the present invention, there is provided a kind of method to eliminate the unusual smell, step are as follows:
1) determined according to the reproducibility of pending smell substance or oxidisability specific using the decoction of oxidisability or reproducibility For, when pending peculiar smell is produced by reducing substances, then using oxidisability decoction, when pending peculiar smell is by oxidisability When material produces, then using reproducibility decoction;
2) decoction of oxidisability or reproducibility is delivered to reactor;
3) pending smell substance is delivered to reactor by feed-line;
4) it is using atomizer that decoction is atomization in reactor, promote, smell substance fully carries out oxygen with decoction after atomization Change reduction reaction.
Preferably, according to the method that eliminates the unusual smell of the present invention, atomizer is to produce electricity using the high-frequency resonant of ceramic atomizing piece Sub- high frequency oscillation, the water atomization of liquid decoction is formed into water smoke;Frequency of oscillation is 1.7MHz~2.4MHz.Atomizer is in atomization process In releasable substantial amounts of anion and super oxygen molecule, can effectively remove the harmful substances such as formaldehyde, carbon monoxide, bacterium.It is also, different Taste material and decoction are reacted under atomization condition, and reaction efficiency is high, and effect of going to eliminate the unusual smell is good.
Preferably, in the method according to the invention, described reducing substances can be hydrogen sulfide, mercaptan, formaldehyde, sulphur Mixture more than one or both of ether, ammoniacal liquor or VOCs;Described oxidisability decoction can be hydrogen peroxide, peroxidating Mixed solution more than one or both of sodium, Peracetic acid sodium, sodium hypochlorite, bleaching powder, calcium hypochlorite, chlorine dioxide.
Preferably, in the method according to the invention, described oxidizing substance can be chlorine, sodium hypochlorite, bleaching powder, Mixture more than one or both of calcium hypochlorite or Peracetic acid sodium;Described reproducibility decoction can be hydrogen sulfide, vulcanization Mixed solution more than one or both of sodium, sodium sulfite, sodium thiosulfate, hydroxylamine hydrochloride.
It is further preferred that described oxidisability decoction or the mass concentration of reproducibility decoction can be 10%-30%.This hair Bright method can easily prepare corresponding oxidisability decoction according to different type different smell, different types of different smell component Or reproducibility decoction, reach preferably control different smell effect, there is extensive adaptability.
Preferably, in the method according to the invention, methods described is additionally included in described inside reactor, smell substance Medium filler is arranged with the region that decoction after atomization is reacted so that the contact area increase of reaction, increases reaction efficiency.Enter One step preferably, in the method according to the invention, described medium filler can be activated carbon, polyethylene ball, foam filter pearl, Mixtures more than one or both of haydite, anthracite, magnetic iron ore, bone black, concave convex rod, zeolite, fibrous nodules, filler particles Particle diameter is 2mm~20mm.
Smell substance in the above method be primarily referred to as the gas with oxidisability or reproducibility peculiar smell or other The smell substance of form, such as, volatile materials or some liquid.
To implement the above method, the invention also discloses a kind of device to eliminate the unusual smell.As shown in figure 1, the device includes medicine Liquid storage tank 100, reactor 200, decoction pipeline 110 and atomizer 210 etc..Reactor is alternatively referred to as oxidation-reduction reactor.
Decoction storage tank 100 is the device for storing oxidisability or reproducibility decoction.Decoction is by decoction pipeline 110 from medicine Liquid storage tank 110 is delivered to the top of oxidation-reduction reactor 200.
In a preferred embodiment, valve 112 is set in decoction pipeline 110 and by decoction from the decoction storage tank 100 It is pumped to the chemical pump 111 of oxidation-reduction reactor 200.
Oxidation-reduction reactor 200 is the internal device that redox reaction occurs.Wherein, top sets gas discharge outlet 220, internal position on the upper side is set the atomizer 210 of medical liquid atomizing, and internal position on the lower side sets smell substance entrance 230, and bottom is set Liquid outlet 240.Smell substance with oxidisability or reproducibility such as gas with foreign flavor enters oxygen by smell substance entrance 230 Change reduction reactor 200, atomizer 210 produces atomization condition in oxidation-reduction reactor 200, smell substance is sent out with decoction Raw redox reaction, so as to go to eliminate the unusual smell.Afterwards, caused waste liquid is discharged by liquid outlet 240, the gas after processing Discharged by gas discharge outlet 220.
The bosom position of oxidation-reduction reactor 200, the lower section of atomizer 210 set packing area 250, in the packing area Filling increase atomization decoction and the medium filler of smell substance contact area.Preferably, medium filler can be activated carbon, poly- second More than one or both of alkene ball, foam filter pearl, haydite, anthracite, magnetic iron ore, bone black, concave convex rod, zeolite, fibrous nodules Mixture.It is further preferred that filler particles particle diameter can be 2mm~20mm.
Atomizer 210 is the device that liquid medical liquid atomizing is formed to water smoke state, and it is arranged to and oxidation-reduction reactor 200 section identical construction, atomizer 210, which is set, utilizes electronics high frequency oscillation by the ceramic atomizing piece of medical liquid atomizing.Such as Fig. 2 It is shown, atomizer 210 be arranged to the section identical circular structure of oxidation-reduction reactor 200, wherein, 211 be atomising head.It is excellent Selection of land, ceramic atomizing piece high-frequency resonant produce electronics high frequency oscillation, and its frequency of oscillation can be 1.7MHz~2.4MHz.Atomizer 210 in atomization process releasable substantial amounts of anion and super oxygen molecule, can effectively remove formaldehyde, carbon monoxide, bacterium etc. has Evil material.
As shown in Figure 3, it is preferable that the liquid outlet 240 of oxidation-reduction reactor 200 by condensate liquid pipeline 270 with Condensate receiver 280 is connected.Condensate receiver 280 is used to collect decoction and the reacted waste liquid of smell substance, convenient system One processing recycles.
Preferably, the smell substance entrance 230 of oxidation-reduction reactor 200 passes through smell substance pipeline 310 and generation oxygen The facility 300 of the property changed or reproducibility smell substance is connected.It is further preferred that the He of valve 311 is set in smell substance pipeline 310 Pipeline fan 312.Smell substance is pumped to the inside of oxidation-reduction reactor 200 by pipeline fan 312.
The present invention is suitable for the narrow-minded project scenarios of gas with foreign flavor to oxidisability or reproducibility different smell gas Control, its principle is to realize the redox reaction of different smell material and decoction after atomization.
In one embodiment, it can be anaerobic reactor to produce oxidisability or the facility 300 of reproducibility smell substance, if Generation sulfate reduction, anaerobic reactor exhaust outlet there may be and loss to go out the foul gas such as hydrogen sulfide.Due to vulcanization Hydrogen belongs to reducing substances, therefore oxidisability decoction, such as hydrogen peroxide, sodium peroxide, calcium hypochlorite, titanium dioxide can be selected in decoction One or more kinds of decoctions in chlorine.Smell substance carries out redox reaction with decoction under atomization condition, and in particle The packing area contact area of change is big, and reaction efficiency is good, and control effect is good.
The invention has the advantages that:
1st, noise is small, energy consumption is low, and device volume is small, installation is simple, can be flexibly applied to different scenes.
2nd, corresponding oxidisability medicine can easily be prepared according to different type different smell, different types of different smell component Liquid or reproducibility decoction, reach preferably control different smell effect, there is extensive adaptability.
3rd, reacted under atomization condition, reaction efficiency is high, and control effect is good.
4th, atomizer releasable substantial amounts of anion and super oxygen molecule in atomization process, can effectively remove formaldehyde, an oxygen Change the harmful substances such as carbon, bacterium.
With reference to the explanation of the invention disclosed here and practice, other embodiment of the invention is for those skilled in the art It all will be readily apparent and understand.Illustrate and embodiment is to be considered only as exemplary, of the invention true scope and purport is equal It is defined in the claims.

Claims (10)

  1. The method 1. one kind eliminates the unusual smell, it is characterised in that methods described comprises the following steps:
    Decoction using oxidisability or reproducibility is determined according to the reproducibility of pending smell substance or oxidisability, when pending When peculiar smell is produced by reducing substances, then using oxidisability decoction, when pending peculiar smell is produced by oxidizing substance, then adopt With reproducibility decoction;
    The decoction of oxidisability or reproducibility is delivered to reactor;
    Pending smell substance is delivered to reactor by feed-line;
    Using atomizer that decoction is atomization in reactor, it is anti-fully to carry out redox for decoction after promoting smell substance and being atomized Should.
  2. 2. according to the method for claim 1, it is characterised in that described atomizer is the harmonic high frequency using ceramic atomizing piece Shake and produce electronics high frequency oscillation, the water atomization of liquid decoction is formed into water smoke, frequency of oscillation is 1.7MHz~2.4MHz.
  3. 3. according to the method for claim 1, it is characterised in that described reducing substances be hydrogen sulfide, mercaptan, formaldehyde, Mixture more than one or both of thioether, ammoniacal liquor or VOCs;
    Described oxidisability decoction is hydrogen peroxide, sodium peroxide, Peracetic acid sodium, sodium hypochlorite, bleaching powder, calcium hypochlorite, two Mixed solution more than one or both of chlorine monoxid.
  4. 4. according to the method for claim 1, it is characterised in that described oxidizing substance is chlorine, sodium hypochlorite, bleaching Mixture more than one or both of powder, calcium hypochlorite or Peracetic acid sodium;
    Described reproducibility decoction is hydrogen sulfide, vulcanized sodium, sodium sulfite, sodium thiosulfate, one kind in hydroxylamine hydrochloride or two The mixed solution of the kind above.
  5. 5. according to the method for claim 1, it is characterised in that described oxidisability decoction or the quality of reproducibility decoction are dense Spend for 10%~30%.
  6. 6. according to the method for claim 1, it is characterised in that methods described is additionally included in described inside reactor, different The region arrangement medium filler that taste material is reacted with decoction after atomization so that the contact area increase of reaction.
  7. 7. according to the method for claim 6, it is characterised in that described medium filler is activated carbon, polyethylene ball, foam Mixtures more than one or both of pearl, haydite, anthracite, magnetic iron ore, bone black, concave convex rod, zeolite, fibrous nodules is filtered, is filled out Material grain diameter is 2mm~20mm.
  8. 8. a kind of device for implementing any one of claim 1-7 method, it is characterised in that described device includes:
    Store the decoction storage tank of oxidisability or reproducibility decoction;
    The reactor reacted for smell substance with described decoction;
    The decoction pipeline that described decoction storage tank is connected with the top of described reactor;
    In described reactor, gas discharge outlet is set on top successively, internal position on the upper side sets atomizer, described atomizer Lower section sets packing area, and internal position on the lower side sets smell substance entrance, and bottom sets liquid outlet.
  9. 9. device according to claim 8, it is characterised in that valve is set in described decoction pipeline and by described medicine Liquid is pumped to the chemical pump of reactor from the decoction storage tank.
  10. 10. device according to claim 8, it is characterised in that described liquid outlet by condensate liquid pipeline with it is cold Lime set receiver is connected.
CN201711006501.0A 2017-10-25 2017-10-25 One kind eliminates the unusual smell method and its device Pending CN107694315A (en)

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CN111388717A (en) * 2020-03-27 2020-07-10 广东晟研新材料科技有限公司 Sterilizing and deodorizing method and device thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109289495A (en) * 2018-12-07 2019-02-01 山东富鑫汽车科技有限公司 The agent of peculiar smell all clear and its application method
CN111388717A (en) * 2020-03-27 2020-07-10 广东晟研新材料科技有限公司 Sterilizing and deodorizing method and device thereof

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