CN204962794U - Sewage field exhaust treatment device - Google Patents
Sewage field exhaust treatment device Download PDFInfo
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- CN204962794U CN204962794U CN201520640911.0U CN201520640911U CN204962794U CN 204962794 U CN204962794 U CN 204962794U CN 201520640911 U CN201520640911 U CN 201520640911U CN 204962794 U CN204962794 U CN 204962794U
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Abstract
The utility model discloses a sewage field exhaust treatment device, by the sewage treatment facility, the abandonment draught fan, the gas mixing jar, burn burning furnace, exhaust -heat boiler, the SOx/NOx control tower, the quench tower, deacidification gas wash tower and chimney are constituteed, sewage treatment facility and abandonment draught fan intercommunication, abandonment draught fan and gas mixing jar intercommunication, the gas mixing jar with burn burning furnace intercommunication, burn burning furnace and exhaust -heat boiler intercommunication, exhaust -heat boiler and SOx/NOx control tower intercommunication, SOx/NOx control tower and quench tower intercommunication, quench tower and deacidification gas wash tower intercommunication, deacidification gas wash tower and chimney intercommunication, the device has reduced investment and working costs, the qualities of exhaust emission are improved, and operating environment is improved.
Description
Technical field:
This method belongs to field of environment protection, is the device of the exhaust-gas treatment about petrochemical enterprise sewage farm.
Background technology:
Petrochemical enterprise sewage farm regulates homogeneous tank, oil interceptor in sewage disposal process, air supporting facility all produces a large amount of waste gas, and the exhausted air quantity that biochemical treatment facility is discharged is larger, but concentration is lower.Foul smell is primarily of groups such as air, hydro carbons, hydrogen sulfide, steam, and because the foul smell of discharge affects atmospheric environment, affect the healthy of operating personnel, these waste gas all need to carry out deodorizing process.The method that current exhaust air deodorization process adopts is Production by Catalytic Combustion Process, biological odor removal method, but these methods all exist some problems: Production by Catalytic Combustion Process, and investment is large, energy consumption is high, operating cost is high; Can detonation be produced when the content of hydrocarbon reaches finite concentration in waste gas, there is certain potential safety hazard; The waste gas that burning produces directly discharges, and there is certain smell; The waste gas regulating homogeneous tank, oil interceptor, air supporting facility to produce can only be processed.Biological odor removal method, invests also larger; Some pollutants that can not dissolve in water can not be removed; Disposed of in its entirety less effective; The waste gas can only discharged for the treatment of biochemistry pool.
So, consider from the angle of technology trends and energy-saving and emission-reduction, the present invention relies on existing incineration of waste facility, petrochemical enterprise sewage farm waste gas is utilized and process as the combustion-supporting gas of burning facility, finally realizing high efficiency, the low-cost processes of petrochemical enterprise Sewage Large Water Treatment Field waste gas, is a kind of new method of the petrochemical enterprise exhaust-gas treatment having burning facility.
Burning facility is a kind of technology utilizing high temperature burning handling refuse.Refuse crosses high temperature heating flame at incinerator back warp, can obtain innoxious and minimizing process to greatest extent.The heat that in incinerator, hot environment is produced by fuel and waste combustion maintains.Waste gas is by after incinerator, and the air mainly contained is utilized by as combustion-supporting gas, can discharge certain heat for maintaining the temperature in incinerator after the hydrocarbon fuel contained, thus reduces the use amount of fuel, reduces operating cost.Other material in waste gas reacts degraded in high temperature environments, reaches harmless treatment.
The tail gas that incinerator is discharged contains amount of heat, simultaneously containing the pollutant such as flue dust and nitrogen oxide.Heat in tail gas is utilized by waste heat boiler.Removed the flue dust in tail gas by bag dust arrester installation, ammonia spray system removes in nitrogen oxide, fresh calcium hydroxide and after the measure such as corrosivity acid gas, the final qualified discharge of tail gas.In conjunction with sludge incineration process, how the two technology carried out merging, reduce investment and operating cost, the thorough deodorizing of waste gas, become petrochemical enterprise sewage farm exhaust air deodorization problem demanding prompt solution.
Utility model content
Large for investment in prior art processing procedure, operating cost is high, the halfway problem for the treatment of effect, utility model provides a kind of wastewater treatment field waste gas processing method, reduces investment and operating cost, improves treatment effect.
A kind of wastewater treatment field emission-control equipment, by sewage treatment facility, discarded air-introduced machine, gas and vapor permeation tank, incinerator, waste heat boiler, desulphurization denitration tower, quench tower, depickling gas wash tower and chimney form, be characterised in that: sewage treatment facility is communicated with discarded air-introduced machine, discarded air-introduced machine is communicated with gas and vapor permeation tank, gas and vapor permeation tank is communicated with incinerator, incinerator is communicated with waste heat boiler, waste heat boiler is communicated with desulphurization denitration tower, desulphurization denitration tower is communicated with quench tower, quench tower is communicated with depickling gas wash tower, and depickling gas wash tower is communicated with chimney.
Described a kind of wastewater treatment field emission-control equipment, is characterized in that: the discarded spark arrester that is provided with between air-introduced machine and gas and vapor permeation tank connects.
Described a kind of wastewater treatment field emission-control equipment, is characterized in that: gas and vapor permeation tank top is provided with breather valve.
Described a kind of wastewater treatment field emission-control equipment, is characterized in that: gas and vapor permeation pot bottom is provided with condensate drain valve.
Described a kind of wastewater treatment field emission-control equipment, is characterized in that: incinerator is composed in series by a combustion room and dual firing chamber.
Described a kind of wastewater treatment field emission-control equipment, is characterized in that: be provided with smoke induced draught fan after depickling gas wash tower.
Described a kind of wastewater treatment field emission-control equipment, is characterized in that: the ignition temperature of a combustion room is 850 ~ 950 DEG C, and secondary combustion chamber ignition temperature is greater than 1100 DEG C.
Described a kind of wastewater treatment field emission-control equipment, is characterized in that: the pressure in gas and vapor permeation tank is-200 ~-500mmH
2o, preferably-250 ~-350mmH
2o.
Compared with prior art, the beneficial effect of a kind of wastewater treatment field waste gas processing method of the present invention is:
1, small investment
On the basis of existing waste gas collection device, air-introduced machine, spark arrester and sludge incineration device, increase gas and vapor permeation tank, replace catalytic combustion system and the biological deodorizing device of prior art.
2, operating cost is low
(1) gas sampling of prior art waste gas collection device collection is to catalytic combustion system or biological deodorizing device, and the gas sampling that the technology of the present invention waste gas collection device is collected is to gas and vapor permeation tank; The fire-retardant air of prior art sludge incineration device comes from air, and the fire-retardant air of the technology of the present invention sludge incineration device comes from gas and vapor permeation tank.Waste gas collection device air-introduced machine, sludge incineration device air-introduced machine prior art configure equally, do not increase operating cost.
(2) all save the energy consumption of catalytic combustion and the energy consumption of biological deodorizing device, significantly reduce operating cost.
(3) all save catalytic combustion, the checking maintenance expense of biological deodorizing device and the expense of more catalyst changeout, significantly reduce operating cost.
(4) produce heat in the organic pollution combustion process in waste gas, part instead of combustion-supporting fuel, and part reduces the operating cost of incinerator.
(5) heat of the generation of catalytic combustion generation directly discharges, and the heat that incinerator burning produces is by waste heat boiler recovered steam.
3, treatment effect is better
(1) the untreated direct discharge of tail gas of catalytic combustion generation, after incinerator burning, tail gas processes through strict, processes more thorough.
(2) pollutant that biological deodorizing can not dissolve in water can not get process, and incinerator ignition temperature 1100 DEG C, pollutant is all decomposed, and processes more thorough.
4, run safer
In the waste gas regulating homogeneous tank, oil interceptor, air supporting facility to collect, the content of hydrocarbon is higher, can not reach explosion limit under normal circumstances, reach explosion limit when concentration is high especially, produces detonation; The waste gas that incinerator is discharged owing to being mixed into biochemical treatment facility, is mixed into air simultaneously, and the concentration of hydrocarbon reduces a lot, can not produce fire and explosive risks.
5, adaptability is stronger, management is simpler
Incinerator can replace catalytic combustion, the whole waste gas of biological deodorizing device process, eliminates the management workload of catalytic combustion, biological deodorizing device.
Accompanying drawing explanation
Fig. 1 petrochemical enterprise sewage waste gas processing method schematic diagram
1 sewage treatment facility, 2. discarded air-introduced machine, 3. spark arrester, 4. gas and vapor permeation tank, 5. incinerator, 6. waste heat boiler, 7. desulphurization denitration tower, 8. flue gas enters quench tower, 9. depickling gas wash tower, 10. smoke induced draught fan, 11. chimneys, 12. breather valves, 13. condensate drain valves, 14. collecting hoods.
With specific embodiment, the present invention is described below, but does not limit the scope of the invention.
Detailed description of the invention
Embodiment 1
A kind of wastewater treatment field emission-control equipment, be made up of sewage treatment facility, discarded air-introduced machine, gas and vapor permeation tank, incinerator, waste heat boiler, desulphurization denitration tower, quench tower, depickling gas wash tower and chimney, sewage treatment facility is communicated with discarded air-introduced machine, discarded air-introduced machine is communicated with gas and vapor permeation tank, gas and vapor permeation tank is communicated with incinerator, and the pressure in gas and vapor permeation tank is-200mmH
2o incinerator is communicated with waste heat boiler, waste heat boiler is communicated with desulphurization denitration tower, desulphurization denitration tower is communicated with quench tower, quench tower is communicated with depickling gas wash tower, depickling gas wash tower is communicated with chimney, the discarded spark arrester that is provided with between air-introduced machine and gas and vapor permeation tank connects, gas and vapor permeation tank top is provided with breather valve, gas and vapor permeation pot bottom is provided with condensate drain valve, incinerator is composed in series by a combustion room and dual firing chamber, the ignition temperature of one combustion room is 850 DEG C, and secondary combustion chamber ignition temperature is greater than 1100 DEG C, is provided with smoke induced draught fan after depickling gas wash tower.
Embodiment 2
A kind of wastewater treatment field emission-control equipment, be made up of sewage treatment facility, discarded air-introduced machine, gas and vapor permeation tank, incinerator, waste heat boiler, desulphurization denitration tower, quench tower, depickling gas wash tower and chimney, sewage treatment facility is communicated with discarded air-introduced machine, discarded air-introduced machine is communicated with gas and vapor permeation tank, gas and vapor permeation tank is communicated with incinerator, and the pressure in gas and vapor permeation tank is-300mmH
2o incinerator is communicated with waste heat boiler, waste heat boiler is communicated with desulphurization denitration tower, desulphurization denitration tower is communicated with quench tower, quench tower is communicated with depickling gas wash tower, depickling gas wash tower is communicated with chimney, the discarded spark arrester that is provided with between air-introduced machine and gas and vapor permeation tank connects, gas and vapor permeation tank top is provided with breather valve, gas and vapor permeation pot bottom is provided with condensate drain valve, incinerator is composed in series by a combustion room and dual firing chamber, the ignition temperature of one combustion room is 900 DEG C, and secondary combustion chamber ignition temperature is greater than 1100 DEG C, is provided with smoke induced draught fan after depickling gas wash tower.
Embodiment 3
A kind of wastewater treatment field emission-control equipment, be made up of sewage treatment facility, discarded air-introduced machine, gas and vapor permeation tank, incinerator, waste heat boiler, desulphurization denitration tower, quench tower, depickling gas wash tower and chimney, sewage treatment facility is communicated with discarded air-introduced machine, discarded air-introduced machine is communicated with gas and vapor permeation tank, gas and vapor permeation tank is communicated with incinerator, and the pressure in gas and vapor permeation tank is-400mmH
2o incinerator is communicated with waste heat boiler, waste heat boiler is communicated with desulphurization denitration tower, desulphurization denitration tower is communicated with quench tower, quench tower is communicated with depickling gas wash tower, depickling gas wash tower is communicated with chimney, the discarded spark arrester that is provided with between air-introduced machine and gas and vapor permeation tank connects, gas and vapor permeation tank top is provided with breather valve, gas and vapor permeation pot bottom is provided with condensate drain valve, incinerator is composed in series by a combustion room and dual firing chamber, the ignition temperature of one combustion room is 950 DEG C, and secondary combustion chamber ignition temperature is greater than 1100 DEG C, is provided with smoke induced draught fan after depickling gas wash tower.
Embodiment 4
A kind of wastewater treatment field emission-control equipment, be made up of sewage treatment facility, discarded air-introduced machine, gas and vapor permeation tank, incinerator, waste heat boiler, desulphurization denitration tower, quench tower, depickling gas wash tower and chimney, sewage treatment facility is communicated with discarded air-introduced machine, discarded air-introduced machine is communicated with gas and vapor permeation tank, gas and vapor permeation tank is communicated with incinerator, and the pressure in gas and vapor permeation tank is-300mmH
2o incinerator is communicated with waste heat boiler, waste heat boiler is communicated with desulphurization denitration tower, desulphurization denitration tower is communicated with quench tower, quench tower is communicated with depickling gas wash tower, depickling gas wash tower is communicated with chimney, the discarded spark arrester that is provided with between air-introduced machine and gas and vapor permeation tank connects, gas and vapor permeation tank top is provided with breather valve, gas and vapor permeation pot bottom is provided with condensate drain valve, incinerator is composed in series by a combustion room and dual firing chamber, the ignition temperature of one combustion room is 850 DEG C, and secondary combustion chamber ignition temperature is greater than 1100 DEG C, is provided with smoke induced draught fan after depickling gas wash tower.
Embodiment 5
A kind of wastewater treatment field emission-control equipment, be made up of sewage treatment facility, discarded air-introduced machine, gas and vapor permeation tank, incinerator, waste heat boiler, desulphurization denitration tower, quench tower, depickling gas wash tower and chimney, sewage treatment facility is communicated with discarded air-introduced machine, discarded air-introduced machine is communicated with gas and vapor permeation tank, gas and vapor permeation tank is communicated with incinerator, and the pressure in gas and vapor permeation tank is-300mmH
2o incinerator is communicated with waste heat boiler, waste heat boiler is communicated with desulphurization denitration tower, desulphurization denitration tower is communicated with quench tower, quench tower is communicated with depickling gas wash tower, depickling gas wash tower is communicated with chimney, the discarded spark arrester that is provided with between air-introduced machine and gas and vapor permeation tank connects, gas and vapor permeation tank top is provided with breather valve, gas and vapor permeation pot bottom is provided with condensate drain valve, incinerator is composed in series by a combustion room and dual firing chamber, the ignition temperature of one combustion room is 900 DEG C, and secondary combustion chamber ignition temperature is greater than 1100 DEG C, is provided with smoke induced draught fan after depickling gas wash tower.
Embodiment 6
A kind of wastewater treatment field emission-control equipment, be made up of sewage treatment facility, discarded air-introduced machine, gas and vapor permeation tank, incinerator, waste heat boiler, desulphurization denitration tower, quench tower, depickling gas wash tower and chimney, sewage treatment facility is communicated with discarded air-introduced machine, discarded air-introduced machine is communicated with gas and vapor permeation tank, gas and vapor permeation tank is communicated with incinerator, and the pressure in gas and vapor permeation tank is-500mmH
2o incinerator is communicated with waste heat boiler, waste heat boiler is communicated with desulphurization denitration tower, desulphurization denitration tower is communicated with quench tower, quench tower is communicated with depickling gas wash tower, depickling gas wash tower is communicated with chimney, the discarded spark arrester that is provided with between air-introduced machine and gas and vapor permeation tank connects, gas and vapor permeation tank top is provided with breather valve, gas and vapor permeation pot bottom is provided with condensate drain valve, incinerator is composed in series by a combustion room and dual firing chamber, the ignition temperature of one combustion room is 900 DEG C, and secondary combustion chamber ignition temperature is greater than 1100 DEG C, is provided with smoke induced draught fan after depickling gas wash tower.
Claims (9)
1. a wastewater treatment field emission-control equipment, be made up of sewage treatment facility, discarded air-introduced machine, gas and vapor permeation tank, incinerator, waste heat boiler, desulphurization denitration tower, quench tower, depickling gas wash tower and chimney, be characterised in that: sewage treatment facility is communicated with discarded air-introduced machine, discarded air-introduced machine is communicated with gas and vapor permeation tank, gas and vapor permeation tank is communicated with incinerator, incinerator is communicated with waste heat boiler, waste heat boiler is communicated with desulphurization denitration tower, desulphurization denitration tower is communicated with quench tower, quench tower is communicated with depickling gas wash tower, and depickling gas wash tower is communicated with chimney.
2. according to a kind of wastewater treatment field emission-control equipment according to claim 1, it is characterized in that: the discarded spark arrester that is provided with between air-introduced machine and gas and vapor permeation tank connects.
3., according to a kind of wastewater treatment field emission-control equipment according to claim 1, it is characterized in that: gas and vapor permeation tank top is provided with breather valve.
4., according to a kind of wastewater treatment field emission-control equipment according to claim 1, it is characterized in that: gas and vapor permeation pot bottom is provided with condensate drain valve.
5. according to a kind of wastewater treatment field emission-control equipment according to claim 1, it is characterized in that: incinerator is composed in series by a combustion room and dual firing chamber.
6., according to a kind of wastewater treatment field emission-control equipment according to claim 1, it is characterized in that: after depickling gas wash tower, be provided with smoke induced draught fan.
7. according to a kind of wastewater treatment field emission-control equipment according to claim 5, it is characterized in that: the ignition temperature of a combustion room is 850 ~ 950 DEG C, and secondary combustion chamber ignition temperature is greater than 1100 DEG C.
8., according to a kind of wastewater treatment field emission-control equipment according to claim 1, it is characterized in that: the pressure in gas and vapor permeation tank is-200 ~-500mmH
2o.
9., according to a kind of wastewater treatment field emission-control equipment according to claim 1, it is characterized in that: the pressure in gas and vapor permeation tank is-250 ~-350mmH
2o.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640911.0U CN204962794U (en) | 2015-08-24 | 2015-08-24 | Sewage field exhaust treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640911.0U CN204962794U (en) | 2015-08-24 | 2015-08-24 | Sewage field exhaust treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN204962794U true CN204962794U (en) | 2016-01-13 |
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|---|---|---|---|
| CN201520640911.0U Active CN204962794U (en) | 2015-08-24 | 2015-08-24 | Sewage field exhaust treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783001A (en) * | 2016-04-11 | 2016-07-20 | 范祖联 | Boiler flue gas conversion and combustion device |
-
2015
- 2015-08-24 CN CN201520640911.0U patent/CN204962794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783001A (en) * | 2016-04-11 | 2016-07-20 | 范祖联 | Boiler flue gas conversion and combustion device |
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| GR01 | Patent grant |