CN203329577U - Device for controlling organic waste gas by oil-in-water emulsified liquid - Google Patents
Device for controlling organic waste gas by oil-in-water emulsified liquid Download PDFInfo
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- CN203329577U CN203329577U CN2013202804427U CN201320280442U CN203329577U CN 203329577 U CN203329577 U CN 203329577U CN 2013202804427 U CN2013202804427 U CN 2013202804427U CN 201320280442 U CN201320280442 U CN 201320280442U CN 203329577 U CN203329577 U CN 203329577U
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- oil
- water
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Abstract
The utility model discloses a device for controlling organic waste gas by oil-in-water emulsified liquid. The device comprises a filler absorption tower, an oil-in-water emulsified liquid circulating spray device and an oil-water separator, which are connected in sequence. The device is simple in structure and convenient to use; the oil-in-water emulsified liquid is utilized to absorb and remove an oil phase in the organic waste gas, the removal efficiency reaches up to 90%-99% (according to the physicochemical properties of the organic waste gas), the removal efficiency of dust particles reaches more than 98%, and the dust pollution emission is greatly reduced; a foam remover is utilized to guarantee the treatment efficiency of the organic waste gas, and the secondary pollution cannot be caused; the oil-water separator is adopted to separate the oil phase from the emulsified liquid, and the separated emulsified liquid can be used for cyclically absorbing the oil phase of the organic waste gas, so that the cycle economy is improved, the consumption of resources such as a water body is greatly reduced, and the running cost is lowered.
Description
Technical field
It is the device that emulsion is administered organic exhaust gas that the utility model relates to a kind of oil-in-water, belongs to the waste gas purification technical field.
Background technology
Atmosphere pollution is one of at present outstanding problem of environmental pollution of China, industrial waste gas is the main source of atmosphere pollution, agricultural, social environment, natural environment and health of people are had to serious harm, and " 12 " planning will be set up nationwide atmosphere environment supervision.Organic exhaust gas is one of the most difficult Harnessing gas in industrial waste gas, can produce various organic compounds in industrial production, mainly comprise various hydro carbons, alcohols, aldehydes, acids, ketone and amine etc., organic exhaust gas can enter human body by respiratory tract and skin, cause temporary and permanent pathology can to people's the organs and systems such as breathing, blood, liver, be detrimental to health.Organic wastewater soluble in water is adopted to conventional improvement method usually, as absorption, condensation, absorption etc.; And to being insoluble in the organic wastewater of water, administer at present complex process, cost of investment is high, and governance efficiency is not ideal.
Absorption method is the method for a kind of improvement commonly used containing volatile organic matter, and wherein active carbon adsorption is most widely used, but it have non-refractory, can not keep good adsorption capacity under moistening condition, inflammable, cost is high and the shortcoming of secondary pollution etc.
Absorption process is the chemical separating operation of morning, technical maturity, applied range of a kind of development, can to pollutant, be recycled at the elimination gaseous contaminant simultaneously, and be one of atmosphere improvement technology commonly used.The height of absorption process absorption efficiency depends primarily on absorbent.
The utility model content
It is the device that emulsion is administered organic exhaust gas that the purpose of this utility model is to provide a kind of oil-in-water.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of oil-in-water is the device that emulsion is administered organic exhaust gas, comprises that packed absorber, oil-in-water that order is joined are emulsion circulating sprayer and oil water separator.
The applicant finds after deliberation: packed absorber and oil-in-water are that to utilize oil-in-water be that emulsion can efficiently be removed oil phase and the dust granules thing in organic exhaust gas to the emulsion circulating sprayer, and isolate liquid phase and oil phase by oil water separator, thereby the oil-in-water recycled in liquid phase is emulsion and reclaims oil phase, greatly reduces the resource consumptions such as water body; Emulsion is as a kind of absorbent, surface has hydrophilic group and lipophilic group, can make immiscible two-phase (as oil and water) mutually miscible, and formation homogeneous dispersion or emulsified body, thereby change original physical state, and absorbed the emulsion of oil phase in the organic exhaust gas, according to the similar principle that mixes, absorption efficiency to oil phase in organic exhaust gas can significantly improve, and removes substantially the oil phase in organic exhaust gas.
Above-mentioned emulsion spray device comprises emulsion box, fluid level controller.
In order to improve the detergence(-cy) of device, above-mentioned gas skirt and the gas gathering manifold be cascaded that also comprise, gas gathering manifold is connected with packed absorber.
In order to guarantee the regulation effect of emulsion, also comprise that with oil-in-water be the demister that the emulsion circulating sprayer is connected.
Above-mentioned demister is mainly used in suppressing emulsion and absorbs a small amount of foam that organic exhaust gas produces, guarantee that oil-in-water is the removal efficiency of emulsion, its principle is to utilize breaking-froth breaking effect, need to add in breakdown of emulsion and froth breaking process the emulsifying agent of adverse effect at some, to destroy the balance of emulsion, thereby suppress the generation of foam.
In order further to improve the detergence(-cy) of device, also comprise the absorbent charcoal adsorber be connected with demister.
For gas purging after convenient improvement, also comprise the air-introduced machine be connected with absorbent charcoal adsorber.
Above-mentioned absorbent charcoal adsorber can not established yet, and when not establishing, air-introduced machine is connected with demister.
Above-mentioned oil-in-water is the method that emulsion is administered the device improvement organic exhaust gas of organic exhaust gas, comprises the following steps that order is joined:
A, organic exhaust gas are the emulsion circulating sprayer through packed absorber and oil-in-water successively;
The liquid of B, spray equipment gained separates to obtain liquid phase and oil phase through oil water separator;
In C, step B, the liquid phase of gained enters spray equipment and recycles;
In D, step B, the oil phase of gained is recycled.
Above-mentioned recycling, comprise reclaiming and purify, directly be used as solvent naphtha or be used as the fuel wet goods.
Oil-in-water be in the emulsion circulating sprayer emulsion used can for cationic, anionic with and nonionic.
In order to improve the efficiency of improvement, oil-in-water is that in the emulsion circulating sprayer, emulsion used is that the oil-in-water that mass concentration is 1-10% is emulsion.
Above-mentioned emulsion refers to the solution of emulsifying agent.
The applicant finds after deliberation: adopt above-mentioned emulsion, can make oil phase solubilising in water of hydrophobicity organic exhaust gas more than 65%, can effectively remove the oil phase that is insoluble in water (solubility in water is less than 5%) in organic exhaust gas.
In order to improve the stability of emulsion, improve the efficiency of administering simultaneously, described oil-in-water emulsion emulsifying agent used is NPE, in the raw material of NPE, the mass ratio of nonyl phenol and oxirane is 1:2.
In order to improve the efficiency of improvement, the temperature that emulsion absorbs organic exhaust gas is 15～50 ℃, and gas liquid ratio is 1000～10000Nm
3/ m
3.The applicant finds after deliberation, and with this understanding, it is best that regulation effect reaches, and removes efficiency and reach more than 96%.
The not specified technology of the utility model is prior art.
The utility model oil-in-water is that the apparatus structure of emulsion improvement organic exhaust gas is simple, easy to use, utilizing oil-in-water is that emulsion absorbs the oil phase of removing in organic exhaust gas, remove efficiency and reach the physicochemical property of high 90%-99%(according to organic exhaust gas), the removal efficiency of dust granules thing reached more than 98% simultaneously, significantly reduce the dust pollution discharge; Utilize demister to guarantee its treatment effeciency, non-secondary pollution; Adopt oil water separator that oil phase is separated with emulsion, the emulsion circulation after separation absorb organic exhaust gas oil phase, improve recycling economy, greatly reduce the resource consumption such as water body, reduce operating cost.
The accompanying drawing explanation
Fig. 1 is that embodiment 1 use oil-in-water is the structural representation that emulsion is administered the device of organic exhaust gas.
In figure, 1 is organic exhaust gas, and 2 is gas skirt, 3 is gas gathering manifold, and 4 is packed absorber, and 5 is oil phase and liquid phase, 6 for oil-in-water is the emulsion circulating sprayer, and 7 is demister, and 8 is absorbent charcoal adsorber, 9 is air-introduced machine, 10 is gas purging up to standard, and 11 is oil water separator, and 12 is liquid phase, 13 is oil phase, and in figure, arrow refers to the flow direction of gas.
The specific embodiment
In order to understand better the utility model, further illustrate content of the present utility model below in conjunction with embodiment, but content of the present utility model not only is confined to the following examples.
Embodiment 1
As shown in Figure 1, oil-in-water is the device that emulsion is administered organic exhaust gas, comprises that gas skirt, gas gathering manifold, packed absorber, oil-in-water that order is joined are emulsion circulating sprayer and oil water separator; Also comprise that with oil-in-water be demister, absorbent charcoal adsorber and the air-introduced machine that the emulsion circulating sprayer sequentially is connected.
The key step that the device that is emulsion improvement organic exhaust gas with above-mentioned oil-in-water is administered organic exhaust gas is: organic exhaust gas enters successively packed absorber after collecting, oil-in-water is the emulsion circulating sprayer, adopting oil-in-water is that emulsion carries out emulsification, absorbs and remove the oil phase in organic exhaust gas in the mode of spray-absorption, absorbed the emulsion of oil phase according to the similar principle that mixes, can be to the absorption of oil phase in organic exhaust gas, efficiency can significantly improve, and removes the dust granules thing simultaneously; Emulsion after spray flows into ditch, flow into catch pit through screen pack, enrichment the emulsion of organic exhaust gas composition, after standing by oil water separator by separation of oil out, water flows into another ditch, and to enter oil-in-water be that the emulsion circulating sprayer recycles, greatly saving water resource.Oil-in-water is that emulsion can produce a small amount of foam while absorb removing in organic exhaust gas oil phase, now can utilize demister to suppress the generation of a small amount of foam, guarantee that oil-in-water is the removal efficiency of emulsion, its principle is mainly to adopt breaking-froth breaking effect, at some, need in the process of breakdown of emulsion and froth breaking, the emulsifying agent that adds adverse effect, to destroy the balance of emulsion, thereby suppress the generation of foam.Above-mentioned oil-in-water is that the operating temperature of emulsion circulating sprayer is 25 ℃.
Oil-in-water is that the emulsion in the emulsion circulating sprayer is the NPE (nonyl phenol and oxirane mass ratio 1:2 in the raw material of NPE) that mass concentration is 1%-10%;
By in said apparatus, pass into concentration 1000mg/m
3dimethylbenzene gas, control gas liquid ratio (Nm
3/ m
3) be 3000, continue 3h;
Dimethylbenzene discharge capacity after said apparatus is processed is about 40mg/m
3(utilizing thermal desorption sample introduction gas chromatograph (national examination criteria) to detect in real time), meet " discharge standard of air pollutants " (GB16297-1996), and the dimethylbenzene clearance is 96%.
Substantially the same manner as Example 1, difference is: pass into concentration 2000mg/m
3phenol gas, control gas liquid ratio (Nm
3/ m
3) be 8000, continue 3h;
Phenol discharge capacity after said apparatus is processed is about 30mg/m
3(adopting 4-AA AAS (national examination criteria) to detect), meet " discharge standard of air pollutants " (GB16297-1996), and Pyrogentisinic Acid's clearance is 98.5%.
Claims (6)
1. an oil-in-water is the device that emulsion is administered organic exhaust gas, it is characterized in that: comprise that packed absorber, oil-in-water that order is joined are emulsion circulating sprayer and oil water separator.
2. oil-in-water as claimed in claim 1 is the device that emulsion is administered organic exhaust gas, and it is characterized in that: also comprise the gas skirt and the gas gathering manifold that are cascaded, gas gathering manifold is connected with packed absorber.
3. oil-in-water as claimed in claim 1 or 2 is the device that emulsion is administered organic exhaust gas, it is characterized in that: also comprise that with oil-in-water be the demister that the emulsion circulating sprayer is connected.
4. oil-in-water as claimed in claim 3 is the device that emulsion is administered organic exhaust gas, it is characterized in that: also comprise the absorbent charcoal adsorber be connected with demister.
5. oil-in-water as claimed in claim 4 is the device that emulsion is administered organic exhaust gas, it is characterized in that: also comprise the air-introduced machine be connected with absorbent charcoal adsorber.
6. oil-in-water as claimed in claim 3 is the device that emulsion is administered organic exhaust gas, it is characterized in that: also comprise the air-introduced machine be connected with demister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202804427U CN203329577U (en) | 2013-05-21 | 2013-05-21 | Device for controlling organic waste gas by oil-in-water emulsified liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202804427U CN203329577U (en) | 2013-05-21 | 2013-05-21 | Device for controlling organic waste gas by oil-in-water emulsified liquid |
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| CN203329577U true CN203329577U (en) | 2013-12-11 |
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|---|---|---|---|
| CN2013202804427U Expired - Fee Related CN203329577U (en) | 2013-05-21 | 2013-05-21 | Device for controlling organic waste gas by oil-in-water emulsified liquid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252155A (en) * | 2013-05-21 | 2013-08-21 | 南京东博环境工程技术有限公司 | Device for treating organic waste gas with oil-in-water emulsion and method for treating organic waste gas |
| CN114307554A (en) * | 2022-01-13 | 2022-04-12 | 大连理工大学洛阳研究院 | Purification system for VOC waste gas in liquid state at normal temperature |
-
2013
- 2013-05-21 CN CN2013202804427U patent/CN203329577U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252155A (en) * | 2013-05-21 | 2013-08-21 | 南京东博环境工程技术有限公司 | Device for treating organic waste gas with oil-in-water emulsion and method for treating organic waste gas |
| CN103252155B (en) * | 2013-05-21 | 2015-06-03 | 许征 | Device for treating organic waste gas with oil-in-water emulsion and method for treating organic waste gas |
| CN114307554A (en) * | 2022-01-13 | 2022-04-12 | 大连理工大学洛阳研究院 | Purification system for VOC waste gas in liquid state at normal temperature |
| CN114307554B (en) * | 2022-01-13 | 2024-02-06 | 大连理工大学洛阳研究院 | Purification system for VOC waste gas in liquid state at normal temperature |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20170521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |