CN204159199U - A kind of calcining exhaust gas processing device - Google Patents
A kind of calcining exhaust gas processing device Download PDFInfo
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- CN204159199U CN204159199U CN201420428474.1U CN201420428474U CN204159199U CN 204159199 U CN204159199 U CN 204159199U CN 201420428474 U CN201420428474 U CN 201420428474U CN 204159199 U CN204159199 U CN 204159199U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
A kind of calcining exhaust gas processing device and processing method thereof, by surfactant (0.01% neopelex and 0.29%Na2SO4) in the first foam removal grid and the second foam removal grid and level Four spray column with the use of, in the tail gas of final discharge, PM2.5 finely ground particles can reduce more than 95%, processed by one-level spray column, secondary spray column, three grades of spray columns, level Four spray column level Four sprays, the pernicious gases such as nitrogen oxide in tail gas, oxycarbide, sulfide can reduce more than 99%.The comprehensive cyclic utilization of waste liquid can be realized by arranging waste liquid circulation groove in device.Ammoniacal liquor selected by spray, after absorbing sour gas, the waste liquid of formation also can be used as the raw material sources producing chemical fertilizer.The processing method of this calcining tail gas improves the weak point of existing industrial tail gas processing method, has good economic benefit and social benefit.
Description
Technical field
The utility model relates to a kind of exhaust gas processing device and processing method thereof, especially relates to a kind of industry calcining exhaust gas processing device and processing method thereof.
Background technology
In industrialized process, the tail gas of industrial production discharge more and more causes the attention of people to the harm of environment.Main containing nitrogen oxide, oxycarbide, sulfide and minute solid particles thing etc. in the tail gas that industry calcining produces.Tail gas method conventional at present has bag-ty pe dust collection and electric precipitation method.Electric precipitation method, equipment is huge, and price is very high; Bag-ty pe dust collection, owing to containing sour gas in tail gas, requires higher to filter cloth, and is unsuitable for large-scale application.
Utility model content
The utility model provides a kind of simple to operate, and floor space is little, and process tail is large-minded, and produce integrated cost low, calcining exhaust gas processing device easy to maintenance and processing method thereof, to solve the deficiency of existing calcining tail gas disposal technique.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of calcining exhaust gas processing device, comprises condenser, spray column, steam separation chamber, waste liquid circulation groove, temp probe, acid base concentration probe; Described upper end of condenser is provided with high-temperature tail gas air inlet pipe, and lower end is provided with condensation exhaust pipe, and described condensation exhaust pipe is connected with one-level spray column lower end; In one-level spray column tower, upper end is provided with the first foam removal grid, and upper end surrounding is provided with at least one spray thrower, and one-level spray column top is also provided with one-level blast pipe, and one-level blast pipe is connected with secondary spray column lower end; In secondary spray column tower, upper end is provided with the second foam removal grid, and upper end surrounding is provided with at least one spray thrower, and secondary spray column top is also provided with secondary exhaust, and secondary exhaust is connected with three grades of spray column lower ends; Three grades of spray column upper end surroundings are provided with at least one spray thrower, and three grades of spray column tops are also provided with three grades of blast pipes, and three grades of blast pipes are connected with level Four spray column lower end; Level Four spray column upper end surrounding is provided with at least one spray thrower, and level Four spray column top is also provided with level Four blast pipe, and level Four blast pipe is connected with air exhauster; Air exhauster blast pipe is connected with steam separation chamber, and top, steam separation chamber is provided with chimney.
As preferably, the horizon of the surrounding of described calcining exhaust gas processing device is also provided with the manual operation inspection platform around device.
As preferably, described one-level spray column, secondary spray column, three grades of spray columns, level Four spray column, bottoms, aqueous vapor separation chamber are equipped with Drainage pipe, and Drainage pipe is connected with the waste liquid circulation groove be positioned under horizon.
As preferably, described waste liquid circulation groove top is provided with temp probe, acid base concentration probe, and top is also provided with liquid-transport pipe-line, and waste liquid circulation groove top is connected with circulating pump by Drainage pipe, and shower nozzle passes through hydrojet pipeline and is connected with circulating pump; Described temp probe, acid base concentration probe is connected with PLC industrial computer input respectively, and PLC industrial computer output is connected with circulating pump.
As preferably, under described waste liquid circulation groove is arranged on horizon.
As preferably, described condenser adopts graphite condenser.
As preferably, described one-level spray column, secondary spray column, three grades of spray columns, level Four spray column, gas pipeline, liquid-transport pipe-lines all adopt corrosion resistant stainless steel.
Realize one calcining exhaust gas treating method of the present utility model, its concrete steps are:
(1) high-temperature tail gas calcined enters graphite condenser by exhaust pipe and tentatively lowers the temperature, and exhaust temperature is down to 500-600 DEG C;
(2) tail gas after cooling enters one-level spray column, through ammonia spray, the dust of particle diameter more than 10 microns removed by the first foam removal grid, and exhaust temperature is down to 400-500 DEG C, waste liquid enters waste liquid circulation groove subsequently, and the one-level blast pipe of tail gas through one-level spray column top enters secondary spray column;
(3) enter the tail gas of secondary spray column, through ammonia spray, the second foam removal grid remove particle diameter between 2.5 microns to 10 microns dust, exhaust temperature is down to 300-400 DEG C, and tail gas enters three grades of spray columns subsequently, and waste liquid enters waste liquid circulation groove;
(4) enter the tail gas of three grades of spray columns, again through ammonia spray, content of sulfur dioxide is reduced to less than 70mg/m3 gradually, and exhaust temperature is down to 200-300 DEG C, and waste liquid enters waste liquid circulation groove subsequently, and tail gas enters level Four spray column;
(5) tail gas of level Four spray column is entered, again through having added the ammonia spray of 0.01% neopelex and 0.29% Na2SO4, exhaust temperature is down to about 100 DEG C, remove more than 95% particle diameter below 2.5 microns dust, waste liquid enters waste liquid circulation groove;
(6) tail gas is by air exhauster after gas pipeline feeding steam separation chamber carries out steam separation, and tail gas is by smoke stack emission, and waste liquid enters waste liquid circulation groove.
As preferably, the waste liquid temperature in the waste liquid circulation groove in described step (6) reach 60 DEG C or pH value lower than 7.8 time, the waste liquid in waste liquid tank need be changed.
The utility model has simple to operate, floor space is little, process tail is large-minded, production integrated cost is low, the feature such as easy to maintenance, by the first foam removal grid and the second foam removal grid with the use of, make in tail gas between 2.5 microns to 10 microns finely ground particles reduce more than 90%, complexed surfactant in level Four spray column can minute solid particles effectively in absorption tail gas, makes the solid particle of in tail gas less than 2.5 microns reduce to more than 95%.
Processed by one-level spray column, secondary spray column, three grades of spray columns, level Four spray column level Four sprays, the pernicious gases such as nitrogen oxide in tail gas, oxycarbide, sulfide can reduce more than 99%.The comprehensive cyclic utilization of waste liquid can be realized by arranging waste liquid circulation groove in device.Ammoniacal liquor selected by spray, after absorbing sour gas, the waste liquid of formation also can be used as the raw material sources producing chemical fertilizer.The processing method of this calcining tail gas improves the weak point of existing industrial tail gas processing method, has good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.As shown in the figure, the utility model device comprises graphite condenser 1, one-level spray column 2, secondary spray column 21, three grades of spray columns 22, level Four spray column 23, spray thrower 4, air exhauster 5, aqueous vapor separation chambers 6 etc.
High-temperature tail gas enters graphite condenser 1 by high-temperature tail gas air inlet pipe 101, and graphite condenser 1 is connected with one-level spray column 2 by condensation exhaust pipe 102; The first foam removal grid 3 is provided with in one-level spray column 2 tower, one-level spray column 2 upper periphery is provided with multiple spray thrower 4, one-level spray column 2 is connected with secondary spray column 21 by the one-level blast pipe 103 on top, the second foam removal grid 31 is provided with in secondary spray column 21 tower, secondary spray column 21 upper periphery is provided with multiple spray thrower 4, and secondary spray column 21 is connected with three grades of spray columns 22 by the secondary exhaust 104 on top; Three grades of spray column 22 upper periphery are provided with multiple spray thrower 4, three grades of spray columns 22 and are connected with level Four spray column 23 by three grades of blast pipes 105 on top; Level Four spray column 23 upper periphery is provided with multiple spray thrower 4, and level Four spray column 23 is connected with air exhauster 5 by the level Four blast pipe 106 on top; Air exhauster 5 is connected with aqueous vapor separation chamber 6 by air exhauster blast pipe 107, and steam separation chamber 6 is connected with chimney 10.
Be equipped with Drainage pipe 13 bottom one-level spray column 2, secondary spray column 21, three grades of spray columns 22, level Four spray column 23, steam separation chamber 6, be connected with waste liquid circulation groove 8 respectively by Drainage pipe 13.
Above-mentioned one-level spray column, secondary spray column, three grades of spray columns, level Four spray column, gas pipeline, liquid-transport pipe-lines all adopt corrosion resistant stainless steel.
Waste liquid circulation groove 8 upper end is provided with pops one's head in 71 by temp probe 7 and acid base concentration; Waste liquid circulation groove 8 is connected with circulating pump 9 by Drainage pipe 14, and circulating pump 9 is connected by hydrojet pipeline 16 with spray thrower 4.Described temp probe 7, acid base concentration probe 71 is connected with PLC industrial computer 15 input respectively, and PLC industrial computer 15 output is connected with circulating pump 9.
Waste liquid circulation groove 8 is arranged on horizon 12 times, reduces the floor space of whole device; Calcining exhaust gas processing device circumferentially horizontal line 12 are also provided with inspection platform 11, for the maintenance and repair of this device bring great convenience.
Below calcining exhaust gas treating method: the high-temperature tail gas that (1) calcines enters graphite condenser by exhaust pipe and tentatively lowers the temperature, and exhaust temperature is down to 500-600 DEG C;
(2) tail gas after cooling enters one-level spray column, through ammonia spray, the dust of particle diameter more than 10 microns removed by the first foam removal grid, and exhaust temperature is down to 400-500 DEG C, waste liquid enters waste liquid circulation groove subsequently, and the one-level blast pipe of tail gas through one-level spray column top enters secondary spray column;
(3) enter the tail gas of secondary spray column, through ammonia spray, the second foam removal grid remove particle diameter between 2.5 microns to 10 microns dust, exhaust temperature is down to 300-400 DEG C, and tail gas enters three grades of spray columns subsequently, and waste liquid enters waste liquid circulation groove;
(4) enter the tail gas of three grades of spray columns, again through ammonia spray, content of sulfur dioxide is reduced to less than 70mg/m3 gradually, and exhaust temperature is down to 200-300 DEG C, and waste liquid enters waste liquid circulation groove subsequently, and tail gas enters level Four spray column;
(5) tail gas of level Four spray column is entered, again through having added the ammonia spray of the Na2SO4 of 0.01% neopelex and 0.29%, exhaust temperature is down to about 100 DEG C, remove more than 95% particle diameter below 2.5 microns dust, waste liquid enters waste liquid circulation groove;
(6) tail gas is by air exhauster after gas pipeline feeding steam separation chamber carries out steam separation, and tail gas is by smoke stack emission, and waste liquid enters waste liquid circulation groove.When the waste liquid temperature in waste liquid circulation groove reach 60 DEG C or pH value lower than 7.8 time, the waste liquid in waste liquid tank need be changed.
The utility model graphite condenser used effectively can reduce the temperature of the tail gas that calcining produces, and corrosion-resistant; Select ammoniacal liquor as tail gas irrigation, ammoniacal liquor is that alkalescent is little to equipment corrosion, the personal safety of nontoxic guarantee operating personnel, and react with the nitrogen oxide in tail gas, oxycarbide, sulfide etc. the compound produced and can be used as the raw material sources producing chemical fertilizer; The adsorbent (0.01% neopelex and 0.29% Na2SO4) selected can increase the viscosity of ammoniacal liquor greatly, can effective residual minute solid particles in absorption tail gas.
Show through repeatedly verifying: the high-temperature tail gas of calcining is after the process of the utility model device, in tail gas, PM2.5 finely ground particles can reduce more than 90%, in tail gas, solid particle reduces to more than 95%, and the pernicious gases such as nitrogen oxide in tail gas, oxycarbide, sulfide can reduce more than 99%.
Finally, it should be pointed out that above detailed description of the invention is only the more representational example of the utility model.Obviously, the utility model is not limited to above-mentioned detailed description of the invention, can also have many distortion.Every above detailed description of the invention is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all should think and belong to protection domain of the present utility model.
Claims (6)
1. a calcining exhaust gas processing device, comprise condenser, spray column, it is characterized in that described upper end of condenser is provided with high-temperature tail gas air inlet pipe, lower end is provided with condensation exhaust pipe, described condensation exhaust pipe is connected with one-level spray column lower end, in one-level spray column tower, upper end is provided with the first foam removal grid, upper end surrounding is provided with at least one spray thrower, one-level spray column top is also provided with one-level blast pipe, one-level blast pipe is connected with secondary spray column lower end, in secondary spray column tower, upper end is provided with the second foam removal grid, upper end surrounding is provided with at least one spray thrower, secondary spray column top is also provided with secondary exhaust, secondary exhaust is connected with three grades of spray column lower ends, three grades of spray column upper end surroundings are provided with at least one spray thrower, three grades of spray column tops are also provided with three grades of blast pipes, three grades of blast pipes are connected with level Four spray column lower end, level Four spray column upper end surrounding is provided with at least one spray thrower, level Four spray column top is also provided with level Four blast pipe, level Four blast pipe is connected with air exhauster, air exhauster blast pipe is connected with steam separation chamber, top, steam separation chamber is provided with chimney.
2. calcining exhaust gas processing device according to claim 1, the horizon that it is characterized in that the surrounding of described calcining exhaust gas processing device is also provided with the manual operation inspection platform around device.
3. calcining exhaust gas processing device according to claim 1 and 2, it is characterized in that described one-level spray column, secondary spray column, three grades of spray columns, level Four spray column, aqueous vapors are equipped with Drainage pipe bottom separation chamber, Drainage pipe is connected with the waste liquid circulation groove be positioned under horizon.
4. calcining exhaust gas processing device according to claim 3, it is characterized in that described waste liquid circulation groove top is provided with temp probe, acid base concentration probe, top is also provided with Drainage pipe, and waste liquid circulation groove top is connected with circulating pump by Drainage pipe, and shower nozzle is connected with circulating pump by hydrojet pipeline; Described temp probe, acid base concentration probe is connected with PLC industrial computer input respectively, and PLC industrial computer output is connected with circulating pump.
5. calcining exhaust gas processing device according to claim 4, under is characterized in that described waste liquid circulation groove is arranged on horizon.
6. calcining exhaust gas processing device according to claim 1, is characterized in that described condenser adopts graphite condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428474.1U CN204159199U (en) | 2014-07-31 | 2014-07-31 | A kind of calcining exhaust gas processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428474.1U CN204159199U (en) | 2014-07-31 | 2014-07-31 | A kind of calcining exhaust gas processing device |
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| Publication Number | Publication Date |
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| CN204159199U true CN204159199U (en) | 2015-02-18 |
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| CN201420428474.1U Active CN204159199U (en) | 2014-07-31 | 2014-07-31 | A kind of calcining exhaust gas processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104208993A (en) * | 2014-07-31 | 2014-12-17 | 仙桃市中星电子材料有限公司 | Device and method for treatment of calcination tail gas |
| CN115301059A (en) * | 2022-08-08 | 2022-11-08 | 苏州西热节能环保技术有限公司 | Carbon dioxide capture device and method thereof |
-
2014
- 2014-07-31 CN CN201420428474.1U patent/CN204159199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104208993A (en) * | 2014-07-31 | 2014-12-17 | 仙桃市中星电子材料有限公司 | Device and method for treatment of calcination tail gas |
| CN115301059A (en) * | 2022-08-08 | 2022-11-08 | 苏州西热节能环保技术有限公司 | Carbon dioxide capture device and method thereof |
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Effective date of registration: 20191217 Granted publication date: 20150218 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20221217 Granted publication date: 20150218 |
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Effective date of registration: 20221217 Granted publication date: 20150218 |
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