CN101700930A - Automatic spraying defoaming device for waste leachate treatment - Google Patents
Automatic spraying defoaming device for waste leachate treatment Download PDFInfo
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- CN101700930A CN101700930A CN200910174961A CN200910174961A CN101700930A CN 101700930 A CN101700930 A CN 101700930A CN 200910174961 A CN200910174961 A CN 200910174961A CN 200910174961 A CN200910174961 A CN 200910174961A CN 101700930 A CN101700930 A CN 101700930A
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- biochemical reaction
- spray
- reaction tank
- defoaming device
- automatic spraying
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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
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- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to an automatic spraying defoaming device for waste leachate treatment, which comprises a biochemical reaction basin and an aeration device arranged in the biochemical reaction basin. A microwave probe for detecting foam height and a spraying hole tube are arranged above the water surface of the biochemical reaction basin; the microwave probe is connected with a spraying controller arranged outside the biochemical reaction basin; a control switch of the spraying controller is connected with a circulating water pump arranged under the water surface of the biochemical reaction basin; and the circulating water pump is connected with the spraying hole tube by a connecting tube to form a circulating device for waste water spraying and defoaming. The invention realizes the spraying and defoaming treatment in the aerobic phase of leachate biochemical treatment, solves dirt blockage during waste water spraying, avoids using a defoaming agent, thereby not only preventing secondary pollution, but also saving the cost of waste water treatment, wherein the automatic circulating defoaming treatment saves three fifths of defoaming cost, more than 90% electrical energy, and more than 95% waste water treatment cost, and can be popularized and applied to large-scale waste treatment sites.
Description
Technical field
The present invention relates to domestic garbage disposer, particularly ooze foamy monitoring and cancellation element in the drop liquid treating processes about domestic refuse.
Background technology
Along with attention and the investment of country to environmental protection cause, the engineering project of newly-built many large-scale domestic rubbish disposals in all parts of the country, the main mode of domestic rubbish disposal is the landfill of digging pit, and its subject matter is to produce a large amount of corrupt malodorous garbage leachate outflow contaminate environment.And at present to the processing of garbage leachate based on biochemical technology, the treatment stage of sewage aerobic, can produce a large amount of excessive foams, excessive foam not only has a strong impact on surrounding environment, but also influences the normal operation of treatment unit.For solving this foamy harm, mainly be to throw in defoamer at present, this not only causes the increase of domestic rubbish disposal expense, but also produces defoamer to second environmental pollution.Country is about the regulation of " household refuse landfill sites pollution control criterion ", and garbage leachate is handled qualified discharge and will be used film to handle, and defoamer can not pass through film, accumulates in treatment system easily, makes the treatment system can't works better.Therefore both do not met the state sewage emission standard requirement with defoamer, and in fact increased expense and can't implement.
Spraying defoaming generally is used in the industrial sewage treatment system, it mainly is the comparison clean water spray froth breaking that utilizes after the secondary sedimentation, but still have the spray nozzle blockage problem, particularly reuse secondary sedimentation water cost is too high for domestic refuse is oozed the handling of drop liquid dozens of yuan per ton.The spray defoaming device that CN201249055Y proposes remains at the industrial sewage treatment system, for the specification of quality height of spray water, still will utilize the clean water after the secondary sedimentation, and for spray nozzle clogging without any protection measure.And concern problem owing to do not consider foamy monitoring and control, therefore use the spray froth breaking still to be in passive blindness state, safety shower when foam overflows often, perhaps 24 hours day and night not stop-spraying drench, cause workman, water resources and power wastage like this.For a change this passive emergency rating, should solve the spray obstructing problem, solve biochemistry pool sewage foamy observing and controlling problem again, the foam gauge stick that a kind of probe rod type is arranged at present, it is the not only fouling easily of a mark post that is located at for a long time in the sewage lagoon, and be difficult in time survey speed and the height that foam produces, influence timely froth breaking to keep the environment hygienic safety.
Summary of the invention
The technical problem to be solved in the present invention is at the existing defective of above-mentioned sewage treating and de-foaming device, designing a kind of spray that can prevent blocks, can in time survey foamy again produces height and in time sprays froth breaking, reach and save artificial, power and water consumption, be convenient to bulky refuse processing field and apply.
The technical solution used in the present invention is, garbage leachate is handled automatic spraying defoaming device, comprise biochemical reaction tank and be located at the interior aerating apparatus of biochemical reaction tank, it is characterized in that above the water surface of biochemical reaction tank, being provided with microwave probe and the spray apertures pipe of surveying foam height; The described microwave probe spray controller outer with being located at biochemical reaction tank is connected, the trip switch of described spray controller be located at the undersurface water circulating pump of biochemical reaction tank and be connected; Described water circulating pump becomes the circulation device of sewage spray froth breaking with the spray apertures pipe coupling by pipe connecting.
Described spray apertures pipe is some parallel spray apertures pipes that are located at the biochemical reaction tank top, establishes the spray apertures that axial broken line intersects on the spray apertures tube wall.
Described microwave probe is the microwave emitter and the microwave receiver of intermittent transmission microwave.
Described spray controller comprises programmable logic controller PLC and trip switch, and programmable logic controller PLC and trip switch controlled microwave probe intermittent transmission microwave and Control Circulation water pump start automatically.
Beneficial effect of the present invention is very remarkable, has realized the application that spraying defoaming is handled at the aerobic stage that oozes the biochemical treatment of drop liquid, has solved the fouling blockage problem of using the effluent cycle spray; Avoid under this environment, using defoamer, not only prevent secondary pollution but also saved the sewage disposal expense, 3/5 of froth breaking expense is saved in the automated cycle defoaming treatment, saves energy is more than 90%, reduce expenses more than 95% in the sewage disposal in this disposal site, can handle the field at bulky refuse and promote the use of.
Description of drawings
Fig. 1 is a spraying defoaming device synoptic diagram of the present invention.
Fig. 2 is a spray apertures tubular construction synoptic diagram.
Fig. 3 is foam monitoring de-bubble control block diagram.
Embodiment
Domestic refuse in bulky refuse is handled through stack rot after, the rancid drop liquid that oozes must be through biochemical reaction tank many ponds oxide treatment repeatedly, establish the multi-stage biochemical reaction tank for this and become the clean water that meets discharging by sewage gradually, domestic refuse is oozed drop liquid composition complexity to be needed through cyclic aeration oxidation repeatedly, because air blast oxygenation makes organic component and bubble formation are surging in the sewage of biochemical reaction tank foam stream and constantly gushes on the water surface with blasting time, just rising unless you give your whole attention to it, it is high to exceed several meters of oilysewage surfaces, excessively go out biochemical reaction tank and cause the sewage foam to overflow excessively, rancid being full of in the air is particularly at rainy season severe contamination ground and air.
Referring to shown in Figure 1, the drop liquid introducing biochemical reaction tank 9 that oozes behind the domestic refuse heap carries out aerobic aeration, establish plurality of rows aerating apparatus arranged side by side in the bottom of biochemical reaction tank 9, the aeration plate 11 of aerating apparatus is connected with vent-pipe 12, small production well is established on the surface of aeration plate 11, and gas forms bubble 10 in sewage under the high atmospheric pressure effect, and can not percolating water, it is 40～60 kPas that vent-pipe 12 charges into blast by gas blower 13, and air quantity is 20～30m
3/ minute pressure air, make in the biochemical reaction tank sewage obtain abundant oxidation and carried out, blasted gas in the biochemical reaction tank 9 and under the sewage colloid is surrounded, form foam and waft on the water surface.
The water surface of biochemical reaction tank 9 is divided into water circulating pump 1, water circulating pump 1 is connected with the spray apertures pipe 3 that is located at water surface top by taking over 2, the two ends of spray apertures pipe 3 connect valve 5, the other end connects a blow-off pipe 6, water circulating pump 1 is squeezed into spray apertures pipe 3 with the sewage in the biochemical reaction tank 9, by the valve 5 Control Circulation utilizations at its two ends.Be located at the microwave probe 4 of biochemical reaction tank 9 tops, its opening end is monitored the height of the foam 7 that floats on the water surface at any time facing to the water surface.
Spray apertures pipe 3 is located at the horizontal shower pipe of biochemical reaction tank 9 tops for parallel interval; select the ordinary rigid plastic water pipe for use; as shown in Figure 2; on the tube wall of spray apertures pipe 3, establish the spray apertures 14 that axial broken line intersects; the diameter of spacing 50～100mm spray apertures is 2～4mm between the spray apertures 14, in order to the spray header that replaces stopping up through regular meeting's fouling.Because the sewage oxygen of biochemical treatment foot, the bacterial micro-organism breeding is fast, when on spray apertures, stopping up because of microbial reproduction, only need beat spray apertures pipe 3 lightly or scrub spray apertures pipe 3 outer walls with wooden stick to make dirt fall down, when obstruction is serious, also only need sewage draining valve 5 and blow-off pipe 6 are temporarily opened and unloaded, add the big yield flushing, just can solve the spray apertures blockage problem.
Figure 3 shows that foam monitoring and foam control block diagram, comprise microwave probe 4 and antifoam controller 8, microwave probe 4 comprises that wavelength is microwave emitter and the microwave receiver of 500nm to 1 μ m.Antifoam controller 8 comprises programmable logic controller PLC and trip switch, connects automatic control switch and trip switch at intermittence by programmable logic controller PLC.Programmable logic controller PLC controlled microwave emitting head intermittent transmission or launch wireless signal continuously, and can intermittently receive or receive continuously microwave signal by foam 7 reflected backs, trip switch comprises manual control, controls automatically and intermittently controls and time delay switch, automatically control comprises microwave signal control and the control of automated cycle rly., automatic control switch with intermittence trip switch be connected control by the PLC programmable controller.
Microwave probe 4 is located at the top of biochemical reaction tank 9, apart from water surface elevation is 30～50cm place, when water surface foam rises to when microwave probe 4 about 30cm are above, froth breaking foam controller 8 is received the microwave signal that foam reflects, connect water circulating pump 1 through the electrical signal that the PLC programmable logic controller is handled by relay1 switch, start water circulating pump 1 to foam spray, when foam 7 declines or disappearance, the receptor of microwave probe 4 does not receive the foam reflected signal, switch cuts out recycle pump automatically, stop spray, only when foam 7 produces and rises to 30～50cm, just carry out automatic spray, realize automatic froth breaking, according to the different needs of different biochemical reaction tank sewage oxidation fermentations, programmable logic controller PLC regulates different spray models automatically, can be automatic spray, the spray that also can regularly spray or delay time is with the purpose that reaches water saving and save the energy.
Claims (8)
1. a garbage leachate is handled automatic spraying defoaming device, comprises biochemical reaction tank and is located at the interior aerating apparatus of biochemical reaction tank, it is characterized in that being provided with above the water surface of biochemical reaction tank microwave probe and the spray apertures pipe of surveying foam height; The described microwave probe spray controller outer with being located at biochemical reaction tank is connected, the trip switch of described spray controller be located at the undersurface water circulating pump of biochemical reaction tank and be connected; Described water circulating pump becomes the circulation device of sewage spray froth breaking with the spray apertures pipe coupling by pipe connecting.
2. garbage leachate according to claim 1 is handled automatic spraying defoaming device, it is characterized in that described spray apertures pipe is some parallel spray apertures pipes that are located at biochemical reaction tank (9) top, establishes the spray apertures (14) that axial broken line intersects on the spray apertures tube wall.
3. garbage leachate according to claim 2 is handled automatic spraying defoaming device, it is characterized in that spacing 50～100mm between the spray apertures on the spray apertures pipe (14), and the diameter of spray apertures is 2～4mm.
4. garbage leachate according to claim 1 is handled automatic spraying defoaming device, it is characterized in that described aerating apparatus (11) is for being set up in parallel in biochemical reaction tank bottom ventilation ducts (12), charging into air pressure in the vent-pipe (12) is 50～70 kPas, and air quantity is 20～30m
3/ minute pressure air.
5. garbage leachate according to claim 1 is handled automatic spraying defoaming device, it is characterized in that described microwave probe (4) is the microwave emitter and the microwave receiver of intermittent transmission microwave.
6. garbage leachate according to claim 5 is handled automatic spraying defoaming device, and the operation wavelength that it is characterized in that microwave probe (4) is 500 nanometers～1 micron.
7. garbage leachate according to claim 5 is handled automatic spraying defoaming device, it is characterized in that microwave probe (4) is located at the place apart from water surface elevation 30～50cm.
8. garbage leachate according to claim 1 is handled automatic spraying defoaming device, it is characterized in that described spray controller comprises programmable logic controller PLC and trip switch, and connects control automatic control switch and trip switch at intermittence by programmable logic controller PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101749613A CN101700930B (en) | 2009-10-21 | 2009-10-21 | Automatic spraying defoaming device for waste leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101749613A CN101700930B (en) | 2009-10-21 | 2009-10-21 | Automatic spraying defoaming device for waste leachate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101700930A true CN101700930A (en) | 2010-05-05 |
| CN101700930B CN101700930B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101749613A Expired - Fee Related CN101700930B (en) | 2009-10-21 | 2009-10-21 | Automatic spraying defoaming device for waste leachate |
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| CN (1) | CN101700930B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276057A (en) * | 2011-07-07 | 2011-12-14 | 江苏高朗环境技术有限公司 | Accurate aeration and combined defoaming technological scheme for waste leachate treatment |
| CN102774919A (en) * | 2012-08-13 | 2012-11-14 | 江苏三环实业股份有限公司 | Defoaming device for discharged-water spraying |
| CN104147813A (en) * | 2014-08-13 | 2014-11-19 | 昆明理工大学 | Self-adaptive flotation foam de-foaming device and de-foaming method |
| CN105664539A (en) * | 2014-11-21 | 2016-06-15 | 上海轻工业研究所有限公司 | Auto-spray defoaming apparatus and auto-spray defoaming method for emulsifying machine |
| CN107151629A (en) * | 2017-04-25 | 2017-09-12 | 青岛天人环境股份有限公司 | The double rank desulfurizers of Intelligent biogas |
| CN107441777A (en) * | 2017-09-14 | 2017-12-08 | 河北大唐国际张家口热电有限责任公司 | A kind of prewashing tower spill box |
| CN110274489A (en) * | 2018-03-16 | 2019-09-24 | 台湾积体电路制造股份有限公司 | Cooling system |
| CN110615522A (en) * | 2019-10-11 | 2019-12-27 | 肖琪琪 | Self-defoaming type microbial sewage treatment tank |
| CN112759189A (en) * | 2020-12-29 | 2021-05-07 | 华夏碧水环保科技有限公司北京分公司 | A fire fighting equipment for sewage biochemical treatment |
| CN112897675A (en) * | 2021-01-20 | 2021-06-04 | 上海交通大学重庆研究院 | Device for synchronously recovering nitrogen source in carbon-nitrogen separation treatment of high-salt landfill leachate concentrated solution |
| CN116199391A (en) * | 2023-04-07 | 2023-06-02 | 庄浪县鑫喜淀粉加工有限责任公司 | Potato starch production wastewater treatment method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH054581Y2 (en) * | 1986-08-01 | 1993-02-04 | ||
| JPH0434847U (en) * | 1990-07-09 | 1992-03-24 | ||
| CN201249055Y (en) * | 2008-06-18 | 2009-06-03 | 中芯国际集成电路制造(上海)有限公司 | Spray defoaming device |
| CN201525776U (en) * | 2009-10-21 | 2010-07-14 | 宁波市鄞州区绿州能源利用有限公司 | Automatic sprinkling and defoaming device for landfill leachate treatment |
-
2009
- 2009-10-21 CN CN2009101749613A patent/CN101700930B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276057A (en) * | 2011-07-07 | 2011-12-14 | 江苏高朗环境技术有限公司 | Accurate aeration and combined defoaming technological scheme for waste leachate treatment |
| CN102774919A (en) * | 2012-08-13 | 2012-11-14 | 江苏三环实业股份有限公司 | Defoaming device for discharged-water spraying |
| CN104147813A (en) * | 2014-08-13 | 2014-11-19 | 昆明理工大学 | Self-adaptive flotation foam de-foaming device and de-foaming method |
| CN104147813B (en) * | 2014-08-13 | 2015-11-18 | 昆明理工大学 | A kind of self-adapting type flotation foam defoaming device and debubbling method thereof |
| CN105664539A (en) * | 2014-11-21 | 2016-06-15 | 上海轻工业研究所有限公司 | Auto-spray defoaming apparatus and auto-spray defoaming method for emulsifying machine |
| CN105664539B (en) * | 2014-11-21 | 2018-05-25 | 上海轻工业研究所有限公司 | The automatic spray defoaming device and method of mulser |
| CN107151629B (en) * | 2017-04-25 | 2019-06-28 | 青岛天人环境股份有限公司 | The double rank desulfurizers of Intelligent biogas |
| CN107151629A (en) * | 2017-04-25 | 2017-09-12 | 青岛天人环境股份有限公司 | The double rank desulfurizers of Intelligent biogas |
| CN107441777A (en) * | 2017-09-14 | 2017-12-08 | 河北大唐国际张家口热电有限责任公司 | A kind of prewashing tower spill box |
| CN110274489A (en) * | 2018-03-16 | 2019-09-24 | 台湾积体电路制造股份有限公司 | Cooling system |
| CN110615522A (en) * | 2019-10-11 | 2019-12-27 | 肖琪琪 | Self-defoaming type microbial sewage treatment tank |
| CN112759189A (en) * | 2020-12-29 | 2021-05-07 | 华夏碧水环保科技有限公司北京分公司 | A fire fighting equipment for sewage biochemical treatment |
| CN112897675A (en) * | 2021-01-20 | 2021-06-04 | 上海交通大学重庆研究院 | Device for synchronously recovering nitrogen source in carbon-nitrogen separation treatment of high-salt landfill leachate concentrated solution |
| CN112897675B (en) * | 2021-01-20 | 2022-12-02 | 上海交通大学重庆研究院 | Device for synchronously recovering nitrogen source in carbon-nitrogen separation treatment of high-salt landfill leachate concentrated solution |
| CN116199391A (en) * | 2023-04-07 | 2023-06-02 | 庄浪县鑫喜淀粉加工有限责任公司 | Potato starch production wastewater treatment method |
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| Publication number | Publication date |
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| CN101700930B (en) | 2011-05-11 |
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Granted publication date: 20110511 Termination date: 20111021 |