CN103130321B - A kind of for municipal sewage plant integration deodorizing and the device of sewage disposal - Google Patents
A kind of for municipal sewage plant integration deodorizing and the device of sewage disposal Download PDFInfo
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- CN103130321B CN103130321B CN201310084581.7A CN201310084581A CN103130321B CN 103130321 B CN103130321 B CN 103130321B CN 201310084581 A CN201310084581 A CN 201310084581A CN 103130321 B CN103130321 B CN 103130321B
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- submersible
- jet formula
- aeration tank
- sewage
- formula aerator
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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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a kind of for municipal sewage plant integration deodorizing and the device of sewage disposal, this device is included in the semi closed gas collection building that odor source is installed, submersible jet formula aerator and aeration tank, the top of semi closed gas collection building is provided with ventilation opening and gas pipe line, gas pipe line is communicated with submersible jet formula aerator, the foul gas of odor source enters submersible jet formula aerator through gas pipe line, submersible jet formula aerator is arranged at below the sewage of aeration tank, submersible jet formula aerator is squeezed in aeration tank after being mixed with sewage by the foul gas of odor source, removed by biochemical action in aeration tank.By the way, the present invention can simplify design, the operation and management of deodorizing facility, reduces investment and running cost.Utilize the biological degradation of aeration tank effectively to process all kinds of repugnant substance, and treatment effect is good.Can adjust Odor control amount according to seasonal variation, operation is easy, and adaptability is good simultaneously.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of for municipal sewage plant integration deodorizing and the device of sewage disposal.
Background technology
In recent years, along with the raising of people's living standard and the enhancing of Environmental awareness, odor pollution has become a relatively more outstanding environmental problem.After 2002 promulgate revised town sewage plant pollutant emission standard, many built and newly-built municipal wastewater treatment plants are in order to reach malodorous discharge standard and reduce the impact on surrounding enviroment and resident, start one after another to build deodorizing facility, deodorization technology obtains certain promotion and application in many municipal sewage plants of China.
At present, the deodorization technique for municipal sewage plant mainly contains biological odor removal method, chemical absorption method, advanced oxidation processes, absorption method and plant liquid spraying method etc.Wherein being most widely used of biological deodorizing technology.Also there is following problem in the biology deodorization technique of current routine: the single packing layer that (1) standard biologic deodorization process adopts often is unfavorable for removing different properties component is simultaneously efficient, causes technique overall operation efficiency low.(2) most deodorization process cannot realize on-line monitoring, and operation scheme is single, is difficult to adjust according to the change of foul smell load, thus causes the tolerance of device impact load difference or run uneconomical.(3) biology deodorization technique generally has floor space large, the problems such as Installed capital cost is large.
Summary of the invention
The technical problem that the present invention mainly solves is to provide and a kind ofly can simplifies the design of deodorizing facility, operation and management for municipal sewage plant integration deodorizing and the device of sewage disposal, reduces investment and running cost.Utilize the biological degradation of aeration tank effectively to process all kinds of repugnant substance, and treatment effect is good.Can adjust Odor control amount according to seasonal variation, operation is easy, and adaptability is good simultaneously.This device is highly suitable for built sewage work deodorizing upgrading and the integration deodorizing facility construction of newly-built sewage work.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of for municipal sewage plant integration deodorizing and the device of sewage disposal, this device is included in the semi closed gas collection building that odor source is installed, submersible jet formula aerator and aeration tank, the top of semi closed gas collection building is provided with ventilation opening and gas pipe line, gas pipe line is communicated with submersible jet formula aerator, the foul gas of odor source enters submersible jet formula aerator through gas pipe line, submersible jet formula aerator is arranged at below the sewage of aeration tank, submersible jet formula aerator is squeezed in aeration tank after being mixed with sewage by the foul gas of odor source, removed by biochemical action in aeration tank, vertical 90 ° of described submersible jet formula aerator is installed on below the sewage of aeration tank, and rise chain be connected with the end face of aeration tank by hanging, submersible jet formula aerator is provided with central aeration mixing section, and described central aeration mixing section is surrounded by Corrosion Protection of Fiber Reinforced Plastics guard shield, described submersible jet formula aerator comprises air compressor and submersible machine on the liquid that is arranged on gas pipe line, submersible machine lower end is connected with rotating paddle, submersible machine and rotating paddle are positioned at below liquid level, and submersible jet formula aerator forms the associated form air feed of negative inspiratory pressure by air compressor inflation and submersible machine driven rotary blade high speed rotating on liquid, described submersible jet formula aerator also includes ejector nozzle, and described ejector nozzle is positioned at below the liquid level of aeration tank.
The invention has the beneficial effects as follows: a kind of beneficial effect of device for municipal sewage plant integration deodorizing and sewage disposal of the present invention is as follows:
1, achieve the target of integral type art breading sewage, foul gas, there is the effect of sewage oxygenation+pump foul gas+this three part of process foul gas simultaneously.
2, utilize submersible jet formula aerator, foul gas is mixed with wastewater efficient, improve the absorption removal effect of repugnant substance.
3, the foul smell amount adjustment plenum system realizing producing according to reality, to ensure rational air suction mode, reduces energy consumption.
4, Simplified flowsheet design, reduces construction, and operation management is more simple, greatly reduces and builds and running cost, save space.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of device for municipal sewage plant integration deodorizing and sewage disposal of the present invention.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of integrated apparatus for municipal sewage plant deodorizing and sewage disposal, be included in semi closed gas collection building (1) that odor source is installed, submersible type jet aerator (2) and aeration tank (3), the top of semi closed gas collection building is provided with ventilation opening (4) and gas pipe line (5), foul gas is through gas pipe line (5), after air compressor on liquid (7) pressurization, enter submersible type jet aerator (2), smash by submersible machine (8) impeller high speed rotating the gas-liquid flow forming good mixing after foul gas mixes with sewage, finally by nozzle (9) high-velocity jet in aeration tank (3).Submersible jet formula aerator (2) forms the associated form air feed of negative inspiratory pressure by air compressor on liquid (7) inflation and submersible machine (8) driven rotary blade high speed rotating.And by controlling to switch ventilation opening and pipeline valve (6) can be opened to change plenum system.
Vertical 90 ° of submersible jet formula aerator (2) is installed on below the sewage of aeration tank 3, and rise chain be connected with the end face of aeration tank (3) by hanging, submersible jet formula aerator (2) is provided with central aeration mixing section, and described central aeration mixing section is surrounded by Corrosion Protection of Fiber Reinforced Plastics guard shield.
For municipal sewage plant integration deodorizing and the method for sewage disposal, described method steps is as follows:
A) around odor source or above build semi closed gas collection district or utilize original semiclosed building, and collect produce foul smell;
B) foul smell through gas pipe line to submersible jet formula aerator, after foul smell mixes with sewage by submersible jet formula aerator, unification is squeezed in aeration tank, and remove repugnant substance by absorption, dissolving and biological degradation, the inlet mouth that described gas pipe line connects submersible jet formula aerator liquid upper part is provided with a switching ventilation opening and can opens pipeline valve, the foul smell amount that can produce according to reality opens and closes valve, change plenum system to ensure rational air suction mode, reduce energy consumption.
Embodiment one
Design improvement is carried out to a certain newly-built municipal sewage plant, has used patent of the present invention to reach aeration simultaneously and pump the effect of process foul gas.This sewage work's day process water yield is 80,000 tons/day, and COD is at about 300mg/L, BOD at about 150mg/L, and ammonia nitrogen is about 30mg/L.This system adopts oxidation ditch treatment technique.This systematic collection gas main source grid, aerated grit chamber and sludge dewatering machine room, aerated grit chamber adopts all standing form, and total co-processing tolerance is about 14000m
3/ h(is containing ventilation volume).Adopt the submersible jet formula aerator totally 27 of 40kW, aeration tank oxygen supply demand and foul gas delivery requirements can be met simultaneously.After system Construction completes, service data show, secondary effluent from sewage treatment plant (average data) COD is 20-50mg/L, ammonia nitrogen be 0.5-1mg/L, TN at 4-7mg/L, meet the first discharge standard of China's integrated wastewater discharge standard (GB 8978-1996).At import repugnant substance (average data) H
2s is 5.28mg/m
3, NH
3be 0.79 mg/m
3when, in aeration tank, periphery sets up monitoring point, records H in air
2s is 0.3-0.4mg/m
3, NH
3for 0.2-0.3 mg/m
3, detecting data in sewage lagoon factory circle is H
2s is 0.01-0.03mg/m
3, NH
3for 0.05-0.08 mg/m
3, meet the primary standard of odorant pollutant factory of China boundary mark standard (GB14554-93).
This system cloud gray model power consumption is only aeration energy consumption of disposing of sewage, and achieves the effect of sewage oxygenation+pump foul gas+this three part of process foul gas simultaneously.And reach the effect of good sewage disposal and foul gas process.Compared with other deodorizing method, the method to have saved this part energy consumption of process foul gas substantially.And present invention process uses integral type process, decrease the initial cost of other equipment, its process advantage is more outstanding.
Embodiment two
Design improvement construction has been carried out to newly-built political affairs sewage work of certain city.This sewage work process the water yield be 100,000 tons/day, designing treatment COD be 320mg/L, BOD at about 200mg/L, ammonia nitrogen is about 30 mg/L.Adopt A/A/O technique, by the foul gas collection and treatment of grid, aerated grit chamber and sludge thickener, total process tolerance is about 21000m
3/ h(is containing ventilation volume).Adopt the submersible jet formula aerator totally 40 of 40kW, aeration tank oxygen supply demand and foul gas delivery requirements can be met simultaneously.Consider sewage work summer, winter foul gas generation difference comparatively large, this deodoration system adopts often open summer, and (deodoration system is opened and namely referred to that gas blower is connected with gas pipe line, directly pumps process foul gas then to adopt the method for time opening winter; Deodoration system is closed and is namely referred to, is controlled by blower inlet place air-valve, is closed by gas pipe line, and the ventilation opening opening blower inlet limit bleeds to realize aeration).After construction trial run is stable, long-term service data display, secondary effluent from sewage treatment plant (average data) COD is 30-40mg/L, and ammonia nitrogen is 1-2mg/L, TN, at 6-8mg/L, meets the first discharge standard of China's integrated wastewater discharge standard (GB 8978-1996).At import repugnant substance (average data) H
2s is 4.68mg/m
3, NH
3be 1.02 mg/m
3when, in aeration tank, periphery sets up monitoring point, records H in air
2s is 0.1-0.15mg/m
3, NH
3for 0.3-0.5mg/m
3, detecting data in sewage lagoon factory circle is H
2s is 0.01-0.05mg/m3, NH
3for 0.05-0.3 mg/m
3, equally also reach the primary standard of odorant pollutant factory of China boundary mark standard (GB14554-93).
This system process controls by simple air-valve, and the closedown realizing system switches with unlatching, to adapt to actual different foul smell generation, reduces energy consumption.
A kind of beneficial effect of device for municipal sewage plant integration deodorizing and sewage disposal of the present invention is as follows:
1, achieve the target of integral type art breading sewage, foul gas, there is the effect of sewage oxygenation+pump foul gas+this three part of process foul gas simultaneously.
2, utilize submersible jet formula aerator, foul gas is mixed with wastewater efficient, improve the absorption removal effect of repugnant substance.
3, the foul smell amount adjustment plenum system realizing producing according to reality, to ensure rational air suction mode, reduces energy consumption.
4, Simplified flowsheet design, reduces construction, and operation management is more simple, greatly reduces and builds and running cost, save space.The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. one kind for municipal sewage plant integration deodorizing and the device of sewage disposal, it is characterized in that: this device is included in the semi closed gas collection building that odor source is installed, submersible jet formula aerator and aeration tank, the top of semi closed gas collection building is provided with ventilation opening and gas pipe line, gas pipe line is communicated with submersible jet formula aerator, the foul gas of odor source enters submersible jet formula aerator through gas pipe line, submersible jet formula aerator is arranged at below the sewage of aeration tank, submersible jet formula aerator is squeezed in aeration tank after being mixed with sewage by the foul gas of odor source, removed by biochemical action in aeration tank, vertical 90 ° of described submersible jet formula aerator is installed on below the sewage of aeration tank, and rise chain be connected with the end face of aeration tank by hanging, submersible jet formula aerator is provided with central aeration mixing section, described central aeration mixing section is surrounded by Corrosion Protection of Fiber Reinforced Plastics guard shield, described submersible jet formula aerator comprises air compressor and submersible machine on the liquid that is arranged on gas pipe line, submersible machine lower end is connected with rotating paddle, submersible machine and rotating paddle are positioned at below liquid level, and submersible jet formula aerator forms the associated form air feed of negative inspiratory pressure by air compressor inflation and submersible machine driven rotary blade high speed rotating on liquid, described submersible jet formula aerator also includes ejector nozzle, and described ejector nozzle is positioned at below the liquid level of aeration tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310084581.7A CN103130321B (en) | 2013-03-15 | 2013-03-15 | A kind of for municipal sewage plant integration deodorizing and the device of sewage disposal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310084581.7A CN103130321B (en) | 2013-03-15 | 2013-03-15 | A kind of for municipal sewage plant integration deodorizing and the device of sewage disposal |
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| Publication Number | Publication Date |
|---|---|
| CN103130321A CN103130321A (en) | 2013-06-05 |
| CN103130321B true CN103130321B (en) | 2015-08-19 |
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| CN201310084581.7A Active CN103130321B (en) | 2013-03-15 | 2013-03-15 | A kind of for municipal sewage plant integration deodorizing and the device of sewage disposal |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923068A (en) * | 2015-06-10 | 2015-09-23 | 北京洁绿科技发展有限公司 | Malodorous gas treatment method |
| CN108187450B (en) * | 2018-01-24 | 2021-04-27 | 北京林业大学 | Method for strengthening in-situ treatment of malodorous gas of sewage treatment plant by using rusted iron chips |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791029Y (en) * | 2004-01-09 | 2006-06-28 | 隆润新技术发展有限公司 | System deodorizing device |
| CN101891299A (en) * | 2010-07-05 | 2010-11-24 | 上海凡清环境工程有限公司 | Deodorizing method and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08108033A (en) * | 1994-10-07 | 1996-04-30 | Ryoji Kimura | Biochemical deodorization method |
| JP2002233729A (en) * | 2001-02-07 | 2002-08-20 | Tokuzo Sato | Method and apparatus for deodorizing malodorous gas |
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- 2013-03-15 CN CN201310084581.7A patent/CN103130321B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791029Y (en) * | 2004-01-09 | 2006-06-28 | 隆润新技术发展有限公司 | System deodorizing device |
| CN101891299A (en) * | 2010-07-05 | 2010-11-24 | 上海凡清环境工程有限公司 | Deodorizing method and system |
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| CN103130321A (en) | 2013-06-05 |
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