CN201618489U - Chemical waste gas spraying swirl combined purification device - Google Patents
Chemical waste gas spraying swirl combined purification device Download PDFInfo
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- CN201618489U CN201618489U CN2009203140179U CN200920314017U CN201618489U CN 201618489 U CN201618489 U CN 201618489U CN 2009203140179 U CN2009203140179 U CN 2009203140179U CN 200920314017 U CN200920314017 U CN 200920314017U CN 201618489 U CN201618489 U CN 201618489U
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Abstract
The utility model relates to a chemical waste gas purification device, in particular to a chemical waste gas spraying swirl combined purification device, which comprises an absorption tower provided with absorption liquid in a tower reactor, wherein the absorption tower is provided with a waste gas inlet and a waste gas outlet, a demisting plate, a swirl plate and a spraying layer are arranged from top to bottom in the absorption tower, an absorption solution circulation pump is arranged outside the absorption tower, the inlet of the absorption solution circulation pump is connected with the tower reactor, and the outlet of the absorption solution circulation pump is respectively connected with the swirl plate and the spraying layer; and the waste gas inlet is arranged on the tower reactor, a gas outlet of a waste gas inlet pipeline is positioned under the absorption liquid level in the tower reactor, and the waste gas outlet is arranged on the top of the tower. The waste gas enters the device, and then is purified through impact bubbling, spraying and the swirl plate successively. The device solves the technical problems that multi-component chemical waste gas is absorbed slowly and the contact surface of gas and liquid is too small, and is particularly suitable for treating waste gas with high temperature and humidity and larger load fluctuation.
Description
Technical field
The utility model relates to a kind of chemical emission purifying processing device, especially relates to a kind of chemical emission rotational flow and spray combination purification device.
Background technology
As everyone knows, chemical industry waste gas is mainly derived from the production and the process of product.Because the chemical products kind is abundant, the raw material type of use is many and quantity is big, and the production process reaction is numerous and diverse, therefore, chemical industry waste gas of a great variety, capacity is big, exhaust gas constituents is complicated.Generally contain gaseous state thing inorganic, organic character in the chemical emission, often contain the component of multiple poisonous, carcinogenic, teratogenesis, mutagenesis, severe corrosive.These gases not only can cause atmosphere pollution, crime of injuries by explosive substances to buildings and goods therein and jeopardize crops, the health of the direct harm humans of some toxic gases as not adding processing or bad the entering of treatment effect in the atmosphere.Because the characteristics of production technology, the waste gas of chemical enterprise produces the many and dispersion of point, simultaneously many enterprises technology is simple, stable because of lacking, convenient operation and management, improvement technology that processing cost is low, the way of often adopt to strengthen ventilating with exhaust gas dilution after directly discharging, though reach the unit discharge standard like this, but in fact the environmental contaminants total emission volumn does not reduce, and this phenomenon is commonplace at some middle-size and small-size chemical enterprises.
Application number is that the Chinese utility model patent of CN200520016755.7 discloses a kind of environment-friendly type waste gas spray absorber, the waste gas import and export is arranged respectively at tank body middle part and top, the shower in the some holes of tank body internal upper part idiozona, shower communicates with the tank body bottom by pipeline, be connected with liquid pump on the pipeline, there is atmospheric valve the tank body lower end.This environment-friendly type waste gas spray absorber good absorbing effect not only when handling, and do not have discharging, absorb liquid and can be recycled.But this device mainly solves the problem of existing treatment facility to hydrogen chloride gas and ammonia poor processing effect, and range of application is narrow, is only applicable to the waste gas of one-component; On structure, the part that this device is used to absorb waste gas only is a shower, and structure is comparatively single, and the liquid contact-making surface is less, and is relatively poor to the absorption of pernicious gas, do not reach the purpose of abundant absorption.
Summary of the invention
The utility model mainly is, gas-liquid contact-making surface too small technical problem slow for multicomponent chemical emission infiltration rate at existing in prior technology, and a kind of chemical emission rotational flow and spray combination purification device is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of chemical emission rotational flow and spray combination purification device, comprise the absorption tower that absorption liquid is housed in the tower still, the absorption tower is provided with exhaust gas inlet and waste gas outlet, it is characterized in that: from top to down is provided with demist plate, eddy flow plate and spraying layer in the described absorption tower, be provided with the absorption liquid circulating pump outside the absorption tower, the inlet of absorption liquid circulating pump is connected with the tower still, and the absorption liquid outlet of circulating pump is connected with spraying layer with the eddy flow plate respectively; Described exhaust gas inlet is located on the tower still, and the gas outlet of exhaust gas inlet pipeline is positioned at below the tower still absorption liquid liquid level, and waste gas outlet is located at cat head.Described demist plate and eddy flow plate are prior art, can buy from market.
By investigation and the raw material analysis to part chemical enterprise pollution sources, most pollutants such as SO in the chemical emission
2, NO
X, H
2S, HCl, HF, NH
3, acid mist, phosgene and part of V OC such as sulfuric acid
SDeng can adopting absorption process to purify or recycle.Many chemical plant pollution sources are compared with routine, and following main feature is arranged: 1., the waste gas components complexity, have easy absorption and be difficult for absorbing, acid, alkalescence and VOC are arranged
S, gas often contains high-temperature steam; 2., the disposal of pollutants source often has paroxysmal, instantaneous concentration height, tolerance and concentration variation fluctuation are big; Many and the dispersion of emission point need focus on relatively; 3., chemical industry workshop belongs to the security control district, and the safety requirements of abatement equipment is had specific (special) requirements.
Purifier of the present utility model has taken into full account the difference of impacting the air current flow between bubbling, spraying layer and the eddy flow plate, and spray makes gas-liquid contact more even, more reinforcement of collision with the mixing of two kinds of air-flows of eddy flow.Impact bubbling through inserting the exhaust gas inlet pipeline of absorption liquid liquid level, forming earlier behind the waste gas access to plant, waste gas cools off rapidly, the condensation of volatility waste gas; Afterwards, gas fully contacts with absorption liquid by spraying layer, and a part of gas is absorbed; Gas-liquid mixture is strengthened the gas-liquid collision through the eddy flow plate, thereby has guaranteed higher absorption efficiency.Bubble level can increase the harmful components in the gas and the contact area of absorption liquid, and bubble is constantly vanished and generated new bubble, thereby carries out absorption reaction effectively.Therefore, this device is compared independent rotating stream tray scrubber and spray column, has more stable absorption efficiency and wideer opereating specification, has the advantages that for the absorption of multicomponent chemical emission infiltration rate is fast, the gas-liquid contact-making surface is big.
As preferably, the gas outlet of described exhaust gas inlet pipeline is positioned at the following 5-15 of absorption liquid liquid level centimetre, and this structure helps impacting the formation of bubbling.
As preferably, described spraying layer is made up of plurality of nozzles, nozzle body and absorption tower vertical centre line parallel, and the spray angle of nozzle is the 90-120 degree.
As preferably, described nozzle is an atomizer.The nozzle of spraying layer is set to atomizer, can form good range of atomization, can strengthen fully contacting of absorption liquid and gas.
As preferably, described demist plate is provided with the 1-2 layer, and eddy flow plate, spraying layer are respectively established one deck, and the spacing of eddy flow plate and spraying layer is 10-20 centimetre, and this structure helps improving the gas-liquid contact area, thereby improves the absorption of absorption liquid to pernicious gas.
As preferably, described tower still is provided with the absorption liquid overfall, and a side of tower still is provided with the absorption liquid efflux pump that links to each other with tower still pipeline.The absorption liquid overfall is used for the discharging of unnecessary absorption liquid, and the absorption liquid efflux pump can be used for reacting effluxing of back absorption liquid.
Therefore, the utlity model has following advantage:
1, the utility model is at the multi-component characteristics of chemical emission, the rotational flow and spray combination purification technique of exploitation and device adopt polynary combinations matches absorption technique, spray cyclone gas-liquid contact absorbing structure, set about improving chemical absorbing intensity from increasing infiltration rate, improve the gas-liquid contact strength (single-stage absorbs repeatedly gas-liquid strong collision of flow process) two aspects, thereby raising regulation effect, reduce equipment volume, reduce the process energy consumption, be fit to very much the waste gas treatment engineering of medium and small chemical enterprise.
2, the utility model can reduce the internal circulating load of absorption liquid under the situation that guarantees the waste gas absorption cleaning, cuts down the consumption of energy and investment and running cost.
3, this device has taken into full account the air current flow difference of impacting between bubbling, spray and the eddy flow plate, and the waste gas access to plant successively is purified behind overbump bubbling, spray and eddy flow plate.This device be mainly used in can absorb, the processing of solubilized chemical emission and flue gas, especially adapt to hot and humid and the bigger exhaust-gas treatment of load fluctuation.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
Label declaration: absorption tower 1, tower still 2, absorption liquid efflux pump 3, absorption liquid circulating pump 4, exhaust gas inlet 5, demist plate 9, eddy flow plate 10, spraying layer 11, absorption liquid overfall 12, exhaust gas inlet pipeline 15, waste gas outlet 16.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
Shown in Figure of description 1, a kind of chemical emission rotational flow and spray combination purification device, comprise absorption tower 1, in the tower still 2 on absorption tower 1 absorption liquid is housed, tower still 2 is provided with exhaust gas inlet 5, the cat head on absorption tower 1 is provided with waste gas outlet 16, and the gas outlet of exhaust gas inlet pipeline 15 is positioned at following 15 centimetres of tower still 2 absorption liquid liquid levels.From top to down is provided with demist plate 9, eddy flow plate 10 and spraying layer 11 in the absorption tower 1, and spraying layer is positioned at eddy flow flaggy below, and spraying layer 11 is made up of some atomizers, and nozzle body and absorption tower 1 vertical centre line parallel, the spray angle of nozzle are 120 degree.Tower still 2 is provided with absorption liquid overfall 12, and a side of tower still 2 is provided with the absorption liquid efflux pump 3 that links to each other with tower still 2 pipelines.Be provided with absorption liquid circulating pump 4 outside the absorption tower 1, the inlet of absorption liquid circulating pump 4 is connected with tower still 2, and the outlet of absorption liquid circulating pump 4 is connected with spraying layer 11 with eddy flow plate 10 respectively.Demist plate 9 is provided with 2 layers, and eddy flow plate 10, spraying layer 11 are respectively established 1 layer, and eddy flow plate 10 is 15 centimetres with the spacing of spraying layer 11.
The course of work of the present utility model is, waste gas enters this device by exhaust gas inlet pipeline 15, gas forms the preliminary treatment of impact bubbling inner the entering through exhaust gas inlet pipeline 15 earlier of device in the absorption tower, after spraying layer 11, eddy flow plate 10 absorb, draw after smoke stack emission from top waste gas outlet 16 then through demist plate 9 backs.The absorption liquid of bottom of device is regulated by tank level control system.Absorption liquid is by dividing one the road to nozzle in the circulating-pump outlet pipeline, another road is to eddy flow plate 10.Reacted absorption liquid is discharged by absorption liquid efflux pump 3 and is entered subsequent treatment.
Should be understood that this embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Gas outlet as exhaust gas inlet pipeline 15 can be positioned at following 5-15 centimetre of tower still 2 absorption liquid liquid level, and the spray angle of the described nozzle of present embodiment also can change in 90-120 degree scope, all can realize the object of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (8)
1. chemical emission rotational flow and spray combination purification device, comprise the absorption tower that absorption liquid is housed in the tower still, the absorption tower is provided with exhaust gas inlet and waste gas outlet, it is characterized in that: from top to down is provided with demist plate, eddy flow plate and spraying layer in the described absorption tower, be provided with the absorption liquid circulating pump outside the absorption tower, the inlet of absorption liquid circulating pump is connected with the tower still, and the absorption liquid outlet of circulating pump is connected with spraying layer with the eddy flow plate respectively; Described exhaust gas inlet is located on the tower still, and the gas outlet of exhaust gas inlet pipeline is positioned at below the tower still absorption liquid liquid level, and waste gas outlet is located at cat head.
2. a kind of chemical emission rotational flow and spray combination purification device according to claim 1 is characterized in that: the gas outlet of described exhaust gas inlet pipeline is positioned at the following 5-15 of absorption liquid liquid level centimetre.
3. a kind of chemical emission rotational flow and spray combination purification device according to claim 1 and 2, it is characterized in that: described spraying layer is made up of plurality of nozzles, nozzle body and absorption tower vertical centre line parallel, the spray angle of nozzle is the 90-120 degree.
4. a kind of chemical emission rotational flow and spray combination purification device according to claim 3, it is characterized in that: described nozzle is an atomizer.
5. a kind of chemical emission rotational flow and spray combination purification device according to claim 1 and 2, it is characterized in that: described demist plate is provided with the 1-2 layer, and eddy flow plate, spraying layer are respectively established one deck, and the spacing of eddy flow plate and spraying layer is 10-20 centimetre.
6. a kind of chemical emission rotational flow and spray combination purification device according to claim 3, it is characterized in that: described demist plate is provided with the 1-2 layer, and eddy flow plate, spraying layer are respectively established one deck, and the spacing of eddy flow plate and spraying layer is 10-20 centimetre.
7. a kind of chemical emission rotational flow and spray combination purification device according to claim 4, it is characterized in that: described demist plate is provided with the 1-2 layer, and eddy flow plate, spraying layer are respectively established one deck, and the spacing of eddy flow plate and spraying layer is 10-20 centimetre.
8. a kind of chemical emission rotational flow and spray combination purification device according to claim 1 and 2, it is characterized in that: described tower still is provided with the absorption liquid overfall, and a side of tower still is provided with the absorption liquid efflux pump that links to each other with tower still pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203140179U CN201618489U (en) | 2009-11-04 | 2009-11-04 | Chemical waste gas spraying swirl combined purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203140179U CN201618489U (en) | 2009-11-04 | 2009-11-04 | Chemical waste gas spraying swirl combined purification device |
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| CN201618489U true CN201618489U (en) | 2010-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203140179U Expired - Fee Related CN201618489U (en) | 2009-11-04 | 2009-11-04 | Chemical waste gas spraying swirl combined purification device |
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| CN (1) | CN201618489U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580505A (en) * | 2012-03-07 | 2012-07-18 | 陈金明 | Energy-saving type flue gas washing, absorbing, purifying and heat-exchanging tower |
| CN103055650A (en) * | 2012-11-23 | 2013-04-24 | 华南再生资源（中山）有限公司 | Exhaust gas treatment system |
| CN103071368A (en) * | 2012-12-10 | 2013-05-01 | 贵州长绿科技有限公司 | Oxynitride-containing exhaust gas washing device |
| CN107469607A (en) * | 2017-10-16 | 2017-12-15 | 邱龙海 | A kind of acid mist emission-control equipment |
| CN108982793A (en) * | 2018-07-10 | 2018-12-11 | 连云港取道石英制品有限公司 | Ammonia nitrogen on-line detector quartz evicts bottle from |
| CN111282399A (en) * | 2020-03-02 | 2020-06-16 | 上海济德能源环保技术有限公司 | Medium-high temperature gas purification cooler |
| CN113198274A (en) * | 2021-04-12 | 2021-08-03 | 杭州优尼克消毒设备有限公司 | Ethylene oxide waste gas treatment system with condensation function |
| CN113350927A (en) * | 2021-04-20 | 2021-09-07 | 南通大学 | Vertical cyclone tower |
-
2009
- 2009-11-04 CN CN2009203140179U patent/CN201618489U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580505A (en) * | 2012-03-07 | 2012-07-18 | 陈金明 | Energy-saving type flue gas washing, absorbing, purifying and heat-exchanging tower |
| CN103055650A (en) * | 2012-11-23 | 2013-04-24 | 华南再生资源（中山）有限公司 | Exhaust gas treatment system |
| CN103055650B (en) * | 2012-11-23 | 2015-08-26 | 华南再生资源（中山）有限公司 | Exhaust treatment system |
| CN103071368A (en) * | 2012-12-10 | 2013-05-01 | 贵州长绿科技有限公司 | Oxynitride-containing exhaust gas washing device |
| CN107469607A (en) * | 2017-10-16 | 2017-12-15 | 邱龙海 | A kind of acid mist emission-control equipment |
| CN108982793A (en) * | 2018-07-10 | 2018-12-11 | 连云港取道石英制品有限公司 | Ammonia nitrogen on-line detector quartz evicts bottle from |
| CN111282399A (en) * | 2020-03-02 | 2020-06-16 | 上海济德能源环保技术有限公司 | Medium-high temperature gas purification cooler |
| CN113198274A (en) * | 2021-04-12 | 2021-08-03 | 杭州优尼克消毒设备有限公司 | Ethylene oxide waste gas treatment system with condensation function |
| CN113350927A (en) * | 2021-04-20 | 2021-09-07 | 南通大学 | Vertical cyclone tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: COAL TECHNOLOGY GROUP HANGZHOU ENVIRONMENTAL PROTE Free format text: FORMER NAME: HANGZHOU ENVIRONMENTAL PROTECTION INST., COAL SCIENTIFIC RESEARCH GENERAL INST. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show Patentee after: CHINA COAL TECHNOLOGY & ENGINEERING GROUP HANGZHOU ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE CO., LTD. Address before: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show Patentee before: Hangzhou Environmental Protection Inst., Coal Scientific Research General Inst. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20141104 |
|
| EXPY | Termination of patent right or utility model |