CN204193764U - A kind of equipment for treating waste gas containing nitric oxide - Google Patents
A kind of equipment for treating waste gas containing nitric oxide Download PDFInfo
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- CN204193764U CN204193764U CN201420536155.2U CN201420536155U CN204193764U CN 204193764 U CN204193764 U CN 204193764U CN 201420536155 U CN201420536155 U CN 201420536155U CN 204193764 U CN204193764 U CN 204193764U
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Abstract
The utility model relates to a kind of equipment for treating waste gas containing nitric oxide, it is characterized in that: comprise one-level filler spray column, secondary filler spray column and ozone generator; Described one-level filler spray column is communicated by gas pipeline with described secondary filler spray column, and described gas pipeline communicates with described ozone generator near the leading portion of described one-level filler spray column; In described one-level filler spray column and secondary filler spray column, there is urea absorption liquid.The utility model does not need to change absorbing liquid, and non-secondary pollution, equipment operating cost is low, treatment facility manageability, and simple to operate, purification efficiency is high.
Description
Technical field
The utility model belongs to enviromental protection and improvement equipment technical field, particularly relates to a kind of equipment for treating waste gas containing nitric oxide.
Background technology
At present, in nitrous oxides exhaust gas Processing tecchnics, no matter concentration level is all generally adopt Alkali absorption technique.Particularly high concentration nitrogen oxide adopts Alkali absorption technique, and not only alkali (being generally NaOH) consumption is large, and operating cost is high, and absorption cleaning efficiency is not high, absorbing liquid difficult treatment.Equipment longtime running, the sodium nitrate produced in absorbing liquid, the inorganic salts such as natrium nitrosum affect the normal operation for the treatment of facility, need to regularly replace absorbing liquid, troublesome maintenance, can cause secondary pollution when changing absorbing liquid.
Summary of the invention
The utility model provides one not need to change absorbing liquid for solving in known technology the deficiency of the existing Alkali absorption nitrous oxides exhaust gas Processing tecchnics existed, non-secondary pollution, equipment operating cost is low, treatment facility manageability, simple to operate, the equipment for treating waste gas containing nitric oxide that purification efficiency is high.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is: a kind of equipment for treating waste gas containing nitric oxide, is characterized in that: comprise one-level filler spray column, secondary filler spray column and ozone generator, described one-level filler spray column comprises the one-level spray tower body of primary cycle water tank and column, described one-level spray tower body is located at the top that described one-level states cyclic water tank, the lower end of described one-level spray tower body communicates with described primary cycle water tank, the side, bottom of described one-level spray tower body has one-level exhaust gas inlet, the top of described one-level spray tower body has one-level waste gas outlet, described one-level spray tower body inside is provided with one deck one-level dehydration layer and two-layer one-level contact mass transfer layer, between described one-level dehydration layer and described one-level contact mass transfer layer, be spraying layer between two-layer one-level contact mass transfer layer, described spraying layer place is provided with first order jet nozzle, described first order jet nozzle is communicated with described primary cycle water tank by one-level water pipe, primary cycle water pump in tandem on described one-level water pipe, described primary cycle water tank has filling opening, described secondary filler spray column comprises the secondary spray tower body of secondary cycle water tank and column, described secondary spray tower body is located at the top of described secondary cycle water tank, the lower end of described secondary spray tower body communicates with described secondary cycle water tank, the side, bottom of described secondary spray tower body has secondary exhaust gas inlet, the top of described secondary spray tower body has secondary waste gas outlet, described secondary spray tower body inside is provided with one deck secondary dehydration layer and two-layer Secondary contact mass transfer layer, between described secondary dehydration layer and described Secondary contact mass transfer layer, be spraying layer between two-layer Secondary contact mass transfer layer, described spraying layer place is provided with secondary nozzle, described secondary nozzle is communicated with described secondary cycle water tank by secondary water pipe, secondary cycle water pump in tandem on described secondary water pipe, described secondary cycle water tank has filling opening, described one-level waste gas outlet is communicated by gas pipeline with described secondary exhaust gas inlet, and described gas pipeline communicates with described ozone generator near the leading portion of described one-level waste gas outlet, described one-level is stated in cyclic water tank and secondary cycle water tank has urea absorption liquid.
The advantage that the utility model has and good effect are:
This is novel is the supporting special equipment of urea absorption nitrous oxides exhaust gas treatment process.Nitrous oxides exhaust gas treatment effect is good, to nitrous oxides exhaust gas concentration strong adaptability, high to the treatment and purification rate of nitrous oxides exhaust gas.Absorbing liquid is the aqueous solution of urea, not containing other impurity.Only suitable water and urea need be supplemented during equipment runs, do not need to change absorbing liquid, the sodium nitrate produced in absorbing liquid in can effectively preventing equipment from running, the inorganic salts such as natrium nitrosum affect the normal operation for the treatment of facility, eliminate the trouble of periodic replacement absorbing liquid, reduce or avoid the secondary pollution that replacing absorbing liquid causes.
Ozone is passed in the gas pipeline entering secondary filler spray column leading portion at waste gas, make nitric oxide Quick Oxidation be nitrogen dioxide, nitrogen dioxide is effectively absorbed by aqueous solution of urea (absorbing liquid) again, and the nitrogen oxide contained by waste gas is removed, purification efficiency is high, good purification.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, one-level filler spray column;
1-1, primary cycle water tank; 1-2, one-level spray tower body; 1-3, one-level exhaust gas inlet; 1-4, one-level waste gas outlet; 1-5, one-level dehydration layer; 1-6, one-level contact mass transfer layer; 1-7, first order jet nozzle; 1-8, one-level water pipe; 1-9, primary cycle water pump;
2, secondary filler spray column;
2-1, secondary cycle water tank; 2-2, secondary spray tower body; 2-3, secondary exhaust gas inlet; 2-4, secondary waste gas outlet; 2-5, secondary dehydration layer; 2-6, Secondary contact mass transfer layer; 2-7, secondary nozzle; 2-8, secondary water pipe; 2-9, secondary cycle water pump;
3, ozone generator; 4, gas pipeline.
Detailed description of the invention
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of equipment for treating waste gas containing nitric oxide, comprise one-level filler spray column 1, secondary filler spray column 2 and ozone generator 3.Nitrogen oxide carries out purified treatment by one-level filler spray column 1 and secondary filler spray column 2 successively.
Described one-level filler spray column 1 comprises the one-level spray tower body 1-2 of primary cycle water tank 1-1 and column.One-level spray tower body 1-2 is erected on the top that one-level states cyclic water tank 1-1, and the lower end of one-level spray tower body 1-2 communicates with primary cycle water tank 1-1.The side, bottom of described one-level spray tower body 1-2 has one-level exhaust gas inlet 1-3, and the top of described one-level spray tower body 1-2 has one-level waste gas outlet 1-4.In the present embodiment, one-level waste gas outlet 1-4 is located at the top of described one-level spray tower body 1-2.Nitrous oxides exhaust gas enters from one-level exhaust gas inlet 1-3, by going out from one-level waste gas outlet 1-4 behind the inside of one-level spray tower body 1-2.Described one-level spray tower body 1-2 inside is provided with one deck one-level dehydration layer 1-5 and two-layer one-level contact mass transfer layer 1-6.In the inside of one-level spray tower body 1-2, be followed successively by one-level dehydration layer 1-5 and two-layer one-level contact mass transfer layer 1-6 from one-level waste gas outlet 1-4 from one-level exhaust gas inlet 1-3 (namely from top to bottom).Described one-level is dewatered between layer 1-5 and described one-level contact mass transfer layer 1-6, is spraying layer between two-layer one-level contact mass transfer layer 1-6.Described spraying layer place is provided with first order jet nozzle 1-7.First order jet nozzle 1-7 sprays absorbing liquid to spray nitrous oxides exhaust gas.Described first order jet nozzle 1-7 is communicated with described primary cycle water tank 1-1 by one-level water pipe 1-8.Primary cycle water pump 1-9 in tandem on described one-level water pipe 1-8, the circulation that primary cycle water pump 1-9 is absorbing liquid provides power.Described primary cycle water tank 1-1 has filling opening.
Described secondary filler spray column 2 comprises the secondary spray tower body 2-2 of secondary cycle water tank 2-1 and column.Described secondary spray tower body 2-2 is erected on the top of described secondary cycle water tank 2-1.The lower end of secondary spray tower body 2-2 communicates with secondary cycle water tank 2-1.The side, bottom of secondary spray tower body 2-2 has secondary exhaust gas inlet 2-3.The top of secondary spray tower body 2-2 has secondary waste gas outlet 2-4.Secondary exhaust gas inlet 2-3 is communicated with above-mentioned one-level waste gas outlet 1-4 by gas pipeline 4, gas pipeline 4 communicates with ozone generator 3 near the leading portion of one-level waste gas outlet 1-4, ozone generator 3 makes to be full of ozone in breather line 4, and namely ozone reacted with the nitric oxide of its discharge at the discharge leading portion of one-level waste gas outlet 1-4.In the present embodiment, secondary waste gas outlet 2-4 is located at the top of secondary spray tower body 2-2.The nitrous oxides exhaust gas that one-level filler spray column 1 is discharged and the nitrogen dioxide generated in gas pipeline 4 enter from secondary exhaust gas inlet 2-3, by discharging gas up to standard from secondary waste gas outlet 2-4 after secondary spray tower body 2-2 inside purification.Secondary spray tower body 2-2 inside is provided with one deck secondary dehydration layer 2-5 and two-layer Secondary contact mass transfer layer 2-6.In the inside of secondary spray tower body 2-2, be followed successively by secondary dehydration layer 2-5 and two-layer Secondary contact mass transfer layer 2-6 from secondary waste gas outlet 2-4 from secondary exhaust gas inlet 2-3 (namely from top to bottom).Secondary dewaters between layer 2-5 and Secondary contact mass transfer layer 2-6, is spraying layer between two-layer Secondary contact mass transfer layer 2-6, and described spraying layer place is provided with secondary nozzle 2-7.Secondary nozzle 2-7 sprays absorbing liquid to spray nitrous oxides exhaust gas.Secondary nozzle 2-7 is communicated with secondary cycle water tank 2-1 by secondary water pipe 2-8, secondary cycle water pump 2-9 in tandem on secondary water pipe 2-8.The circulation that secondary cycle water pump 2-9 is absorbing liquid provides power.Described secondary cycle water tank 2-1 has filling opening.
One-level is stated in cyclic water tank 1-1 and secondary cycle water tank 2-1 has urea absorption liquid, and urea absorption liquid, as spray-absorption liquid, can eliminate the trouble of periodic replacement absorbing liquid, reduces or avoid the secondary pollution that replacing absorbing liquid causes.
Although the utility model is described in conjunction with above-described embodiment, but the present invention is not limited to above-described embodiment, those of ordinary skill in the art easily can carry out equivalence to the present embodiment and replace or modification, as two-layer contact mass transfer layer is changed to multilayer etc., but do not leave essential idea of the present invention and scope.
Claims (1)
1. an equipment for treating waste gas containing nitric oxide, is characterized in that: comprise one-level filler spray column (1), secondary filler spray column (2) and ozone generator (3);
Described one-level filler spray column (1) comprises one-level spray tower body (1-2) of primary cycle water tank (1-1) and column, described one-level spray tower body (1-2) is located at the top that described one-level states cyclic water tank (1-1), the lower end of described one-level spray tower body (1-2) communicates with described primary cycle water tank (1-1), the side, bottom of described one-level spray tower body (1-2) has one-level exhaust gas inlet (1-3), the top of described one-level spray tower body (1-2) has one-level waste gas outlet (1-4), described one-level spray tower body (1-2) inside is provided with one deck one-level dehydration layer (1-5) and two-layer one-level contact mass transfer layer (1-6), between described one-level dehydration layer (1-5) and described one-level contact mass transfer layer (1-6), be spraying layer between two-layer one-level contact mass transfer layer (1-6), described spraying layer place is provided with first order jet nozzle (1-7), described first order jet nozzle (1-7) is communicated with described primary cycle water tank (1-1) by one-level water pipe (1-8), the upper primary cycle water pump (1-9) in tandem of described one-level water pipe (1-8), described primary cycle water tank (1-1) has filling opening,
Described secondary filler spray column (2) comprises secondary spray tower body (2-2) of secondary cycle water tank (2-1) and column, described secondary spray tower body (2-2) is located at the top of described secondary cycle water tank (2-1), the lower end of described secondary spray tower body (2-2) communicates with described secondary cycle water tank (2-1), the side, bottom of described secondary spray tower body (2-2) has secondary exhaust gas inlet (2-3), the top of described secondary spray tower body (2-2) has secondary waste gas outlet (2-4), described secondary spray tower body (2-2) inside is provided with one deck secondary dehydration layer (2-5) and two-layer Secondary contact mass transfer layer (2-6), between described secondary dehydration layer (2-5) and described Secondary contact mass transfer layer (2-6), be spraying layer between two-layer Secondary contact mass transfer layer (2-6), described spraying layer place is provided with secondary nozzle (2-7), described secondary nozzle (2-7) is communicated with described secondary cycle water tank (2-1) by secondary water pipe (2-8), the upper secondary cycle water pump (2-9) in tandem of described secondary water pipe (2-8), described secondary cycle water tank (2-1) has filling opening,
Described one-level waste gas outlet (1-4) is communicated by gas pipeline (4) with described secondary exhaust gas inlet (2-3), and described gas pipeline (4) communicates with described ozone generator (3) near the leading portion of described one-level waste gas outlet (1-4); Described one-level is stated in cyclic water tank (1-1) and secondary cycle water tank (2-1) has urea absorption liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536155.2U CN204193764U (en) | 2014-09-18 | 2014-09-18 | A kind of equipment for treating waste gas containing nitric oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536155.2U CN204193764U (en) | 2014-09-18 | 2014-09-18 | A kind of equipment for treating waste gas containing nitric oxide |
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| Publication Number | Publication Date |
|---|---|
| CN204193764U true CN204193764U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420536155.2U Expired - Fee Related CN204193764U (en) | 2014-09-18 | 2014-09-18 | A kind of equipment for treating waste gas containing nitric oxide |
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| CN (1) | CN204193764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400244A (en) * | 2017-08-03 | 2017-11-28 | 山西绿能新动力环保科技有限公司 | A kind of environment-friendly production process of nitric fulvic acid potassium |
-
2014
- 2014-09-18 CN CN201420536155.2U patent/CN204193764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400244A (en) * | 2017-08-03 | 2017-11-28 | 山西绿能新动力环保科技有限公司 | A kind of environment-friendly production process of nitric fulvic acid potassium |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20160918 |