CN202844873U - Annular nitric oxide waste gas purifier - Google Patents
Annular nitric oxide waste gas purifier Download PDFInfo
- Publication number
- CN202844873U CN202844873U CN 201220268326 CN201220268326U CN202844873U CN 202844873 U CN202844873 U CN 202844873U CN 201220268326 CN201220268326 CN 201220268326 CN 201220268326 U CN201220268326 U CN 201220268326U CN 202844873 U CN202844873 U CN 202844873U
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- annular
- air inlet
- exhaust gas
- cavity
- nitrous oxides
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Abstract
The utility model discloses an annular nitric oxide waste gas purifier. The annular nitric oxide waste gas purifier is characterized by comprising a housing body (1), an annular adsorber (2), an air inlet cavity or air outlet cavity (5), an air inlet or air outlet (3), an air outlet cavity or air inlet cavity (6), and an air outlet or air inlet (4), wherein the annular adsorber (2) is arranged inside the housing body (1); the surface of the annular adsorber (2) is provided with an air inlet or outlet micropore; the upper end and the lower end of the annular adsorber (2) are respectively and tightly connected with the housing body (1); the air inlet cavity or air outlet cavity (5) is positioned at the hollow position of the annular adsorber (2); the air inlet or air outlet (3) is communicated with the air inlet cavity or air outlet cavity (5); the air outlet cavity or air inlet cavity (6) is formed by the inner wall of the housing body (1) and the outer side of the annular adsorber (2) in an enclosing way; and the air outlet or air inlet (4) is communicated with the air outlet cavity or air inlet cavity (6). The purifier disclosed by the utility model can effectively remove nitric oxide in waste gas, is convenient to operate, high in absorption efficiency, low in operation cost, and long in operation time, and processed smoke achieves the requirement of emission standards.
Description
Technical field
The utility model relates to a kind of clarifier, particularly relates to a kind of annular nitrous oxides exhaust gas clarifier.
Background technology
Nitrogen oxide (NOx) mainly comprises N
2O, NO, NO
2, N
2O
3, N
2O
4And N
2O
5Deng compound, be main atmosphere pollution, can naturally produce, also can artificially produce.Natural birth from birth source has the oxidation of lightning, Ammonia in Atmosphere and the nitrification of Soil Microorganism etc.; Artificial generation derives from the fuel combustion process and produces, the tail gas of various vehicular emissions and the discharging in the industrial processes, and the production processes such as nitric acid, various nitrated (as electroplating) can give off NOx.According to statistics, the NOx total amount that the whole world is discharged into atmosphere every year reaches 5,000 ten thousand tons, but also in sustainable growth, it is very harmful to environment and human body, and therefore research improvement NOx is one of main contents of global field of Environment Protection.
The purification techniques of nitrogen oxide mainly contains catalytic reduction method, liquid absorption method and adsorbent absorption process etc.Wet-treating is used comparatively extensive, still can't remove a large amount of NO that exist among the NOx, and the gas after the processing is difficult to reach discharge standard, and wet-treating also exists equipment complexity, needs to process the defectives such as draining, byproduct for treatment is difficult, power consumption is large in addition.Selective catalytic reduction (SCR) is used NH
3As reducing agent, it absorbs the NO in the flue gas is alternative, is good reducing agent, NOx can be reduced into nontoxic N
2, the byproduct of denitration is convenient to process.The SCR denitrification apparatus is mainly by flue system, SCR reactor, catalyst, soot blower, diluent air system, ammonia spraying system, ammonia gas supply system etc.Although the method removal efficiency is high, exist also large, the NH of equipment complexity, investment and operating cost
3Be easy to the defectives such as leakage.
The utility model content
Primary and foremost purpose of the present utility model is the annular nitrous oxides exhaust gas clarifier that a kind of oxidation-absorption denitration is provided for the problem that above-mentioned prior art exists, simple in structure, the easy operating of this clarifier, removal efficiency to nitrogen oxide is high, low, the long operational time of operating cost.
In order to achieve the above object, the utility model provides a kind of annular nitrous oxides exhaust gas clarifier, comprising:
Shell body;
Be installed in the annular absorber in the described shell body, the micropore that its surface has air inlet or gives vent to anger, its top and bottom are tightly connected with described shell body respectively;
Be positioned at inlet chamber or the outlet chamber at described annular absorber hollow position place;
The air inlet or the gas outlet that are communicated with described inlet chamber or outlet chamber;
By the outlet chamber or the inlet chamber that surround outside described shell body inwall and the described annular absorber;
The gas outlet or the air inlet that are communicated with described outlet chamber or inlet chamber.
Wherein, described annular absorber is sleeve body, and it comprises the hollow inner cylinder body and be enclosed within the outer hollow outer cylinder body of described inner barrel that the part between described inner barrel and the outer cylinder body is equipped with adsorbent.
Particularly, described annular absorber also comprises: be used for adding the charging aperture of adsorbent and the discharging opening that is used for discharging adsorbent.
Wherein, described air inlet or gas outlet are arranged on top or the bottom of described hollow inner cylinder body, and described gas outlet or air inlet are arranged on a side of described shell body.
Annular nitrous oxides exhaust gas clarifier of the present utility model also comprises: the blower fan that is connected with air inlet or gas outlet by pipeline.
Wherein, described blower fan is Middle pressure draught fan.
Annular nitrous oxides exhaust gas clarifier of the present utility model is simple in structure, easy operating, low, the long operational time of operating cost, and high to the removal efficiency of nitrogen oxide, purified gas reaches discharging standards; Need not in addition to process draining, non-secondary pollution, adsorbent replacing conveniently, can be widely used in the improvement that chloroazotic acid melts gold process waste gas, nitric acid production waste gas, electroplating technology process gas etc.
Description of drawings
Fig. 1 is the partial sectional view of the utility model annular nitrous oxides exhaust gas clarifier;
Fig. 2 is the top view of the utility model annular nitrous oxides exhaust gas clarifier.
The specific embodiment
Below in conjunction with accompanying drawing annular nitrous oxides exhaust gas clarifier of the present utility model is conducted further description.
Fig. 1 and Fig. 2 are partial sectional view and the top views of the utility model annular nitrous oxides exhaust gas clarifier.
As shown in Figure 1 and Figure 2, annular nitrous oxides exhaust gas clarifier of the present utility model comprises shell body 1 and is installed in annular absorber 2 in the described shell body 1.The micropore that the surface of annular absorber 2 has air inlet or gives vent to anger can make nitrous oxides exhaust gas and free in and out annular absorber through the absorber purified gas.The top and bottom of annular absorber 2 are tightly connected with shell body 1 respectively.
Annular absorber 2 is sleeve body, it comprises hollow inner cylinder body 10 and is enclosed within the outer hollow outer cylinder body 11 of described inner barrel, part between described inner barrel and the outer cylinder body is equipped with adsorbent 9, annular absorber 2 hollow position places (being the hollow space of hollow inner cylinder body 10) form inlet chamber or outlet chamber 5, and shell body 1 inwall and annular absorber 2 outsides surround outlet chamber or inlet chamber 6.
Adsorbent 9 is the compound adsorbents that contain oxidant and alkaline matter, and wherein oxidant is oxidized to NO for the NO that nitrous oxides exhaust gas is difficult to be adsorbed
2, NO
2Contact the nitrate that the difficult decomposition of chemical reaction generation occurs with the alkaline matter in the adsorbent, nitrous oxides exhaust gas is purified, thereby reaches discharge standard, the removal efficiency of nitrogen oxides of exhaust gas is high.Adsorbent only is general industrial waste after use, does not contain poisonous composition, can not cause secondary pollution.
Top or bottom (being top or the bottom at annular absorber 2 hollow position places) at the hollow inner cylinder body 10 of annular absorber 2 are provided with air inlet or gas outlet 3, and it is communicated with inlet chamber or outlet chamber 5; Side at shell body 1 is provided with gas outlet or air inlet 4, and it is communicated with outlet chamber or inlet chamber 6.
Annular absorber 2 also comprises for the charging aperture 7 that adds adsorbent 9 and the discharging opening 8 that is used for discharging adsorbent, thereby is convenient to change the adsorbent in the absorber, improves the service efficiency of absorber.
Annular nitrous oxides exhaust gas clarifier of the present utility model can also comprise the blower fan that is connected with air inlet or gas outlet by pipeline, such as Middle pressure draught fan.Described blower fan is used for nitrous oxides exhaust gas being sent into annular absorber 2 or purified gas being extracted out from annular absorber 2, and can improve the pressure of nitrous oxides exhaust gas in the inlet chamber, makes nitrous oxides exhaust gas can enter smoothly annular absorber 2.
After nitrous oxides exhaust gas enters into inlet chamber by air inlet, flow into the annular absorber from the micropore on annular absorber 2 surfaces, adsorbent in the annular absorber carries out physics and chemisorbed to the nitrogen oxide in the waste gas, gas after purified treatment flow into outlet chamber from the micropore on annular absorber surface, then flows out through the gas outlet.
Annular nitrous oxides exhaust gas clarifier of the present utility model adopts oxidation-absorption to carry out denitration, and oxidation absorbs to be carried out simultaneously, not only simplified equipment, easy operating, and operating cost is low, long operational time, high to the removal efficiency of nitrogen oxide.In addition, it is convenient that annular nitrous oxides exhaust gas clarifier is changed without draining, non-secondary pollution, adsorbent, can be widely used in administering chloroazotic acid and melt the waste gas that produces in the processes such as gold process, nitric acid production, electroplating technology.
Above-mentioned embodiment only is exemplary, scope of the present utility model is not consisted of any restriction.It will be understood by those skilled in the art that and do not departing under the spirit and scope of the present utility model and can make amendment or replace the details of technical solutions of the utility model and form, but these modifications and replacing all fall in the protection domain of the present utility model.
Claims (6)
1. an annular nitrous oxides exhaust gas clarifier is characterized in that, comprising:
Shell body (1);
Be installed in the annular absorber (2) in the described shell body (1), the micropore that its surface has air inlet or gives vent to anger, its top and bottom are tightly connected with described shell body (1) respectively;
Be positioned at inlet chamber or the outlet chamber (5) at described annular absorber (2) hollow position place;
The air inlet or gas outlet (3) that are communicated with described inlet chamber or outlet chamber (5);
By the outlet chamber or the inlet chamber (6) that surround outside described shell body (1) inwall and the described annular absorber (2);
The gas outlet or the air inlet (4) that are communicated with described outlet chamber or inlet chamber (6).
2. annular nitrous oxides exhaust gas clarifier as claimed in claim 1, it is characterized in that, described annular absorber (2) is sleeve body, it comprises hollow inner cylinder body (10) and is enclosed within the outer hollow outer cylinder body (11) of described inner barrel that the part between described inner barrel and the outer cylinder body is equipped with adsorbent (9).
3. annular nitrous oxides exhaust gas clarifier as claimed in claim 1 or 2 is characterized in that, described annular absorber (2) also comprises:
Be used for adding the charging aperture (7) of adsorbent; And
Be used for discharging the discharging opening (8) of adsorbent.
4. annular nitrous oxides exhaust gas clarifier as claimed in claim 2, it is characterized in that, described air inlet or gas outlet (3) are arranged on top or the bottom of described hollow inner cylinder body (10), and described gas outlet or air inlet (4) are arranged on a side of described shell body (1).
5. annular nitrous oxides exhaust gas clarifier as claimed in claim 1 or 2 is characterized in that, also comprises: the blower fan that is connected with air inlet or gas outlet (3) by pipeline.
6. annular nitrous oxides exhaust gas clarifier as claimed in claim 5 is characterized in that, described blower fan is Middle pressure draught fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268326 CN202844873U (en) | 2012-06-08 | 2012-06-08 | Annular nitric oxide waste gas purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268326 CN202844873U (en) | 2012-06-08 | 2012-06-08 | Annular nitric oxide waste gas purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202844873U true CN202844873U (en) | 2013-04-03 |
Family
ID=47976112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220268326 Expired - Fee Related CN202844873U (en) | 2012-06-08 | 2012-06-08 | Annular nitric oxide waste gas purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202844873U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387527A (en) * | 2015-11-28 | 2016-03-09 | 成都德善能科技有限公司 | Air purifier |
| CN105381713A (en) * | 2015-11-28 | 2016-03-09 | 成都德善能科技有限公司 | Indoor air purifier |
| CN105457466A (en) * | 2015-11-28 | 2016-04-06 | 成都德善能科技有限公司 | Air purifier |
| CN110180376A (en) * | 2019-06-17 | 2019-08-30 | 山东山大华特环保工程有限公司 | Annular bin dry type fixed bed desulfuring and denitrifying apparatus and flue gas desulfurization and denitration method |
-
2012
- 2012-06-08 CN CN 201220268326 patent/CN202844873U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387527A (en) * | 2015-11-28 | 2016-03-09 | 成都德善能科技有限公司 | Air purifier |
| CN105381713A (en) * | 2015-11-28 | 2016-03-09 | 成都德善能科技有限公司 | Indoor air purifier |
| CN105457466A (en) * | 2015-11-28 | 2016-04-06 | 成都德善能科技有限公司 | Air purifier |
| CN105381713B (en) * | 2015-11-28 | 2018-07-03 | 马鞍山纽盟知识产权管理服务有限公司 | A kind of indoor air cleaner |
| CN105387527B (en) * | 2015-11-28 | 2018-09-18 | 浙江国正安全技术有限公司 | Air purifier |
| CN110180376A (en) * | 2019-06-17 | 2019-08-30 | 山东山大华特环保工程有限公司 | Annular bin dry type fixed bed desulfuring and denitrifying apparatus and flue gas desulfurization and denitration method |
| CN110180376B (en) * | 2019-06-17 | 2022-02-01 | 山东山大华特环保工程有限公司 | Dry type fixed bed desulfurization and denitrification device with annular bin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20140608 |