CN103395944A - Fully-pneumatic integrated treatment device and method for domestic sewage - Google Patents
Fully-pneumatic integrated treatment device and method for domestic sewage Download PDFInfo
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- CN103395944A CN103395944A CN2013103547491A CN201310354749A CN103395944A CN 103395944 A CN103395944 A CN 103395944A CN 2013103547491 A CN2013103547491 A CN 2013103547491A CN 201310354749 A CN201310354749 A CN 201310354749A CN 103395944 A CN103395944 A CN 103395944A
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Abstract
The invention relates to a fully-pneumatic integrated treatment device for domestic sewage. The fully-pneumatic integrated treatment device comprises a water collecting tank, a mud-water mixing tank, an SND (Simultaneous Nitrification and Denitrification) reaction tank, a three-phase separation tank, an outlet water tank and a pneumatic device, wherein a pneumatic water lifting device is arranged at one side of the water collecting tank, disc type aerators are arranged at the bottom of the SND reaction tank, and a pneumatic sludge return pipe is arranged at the bottom of the three-phase separation tank; and the pneumatic device comprises an air storage cabinet and an air compressor, wherein an air inlet end of the air storage cabinet is connected with the air compressor through an air control valve, an air outlet end of the air storage cabinet is divided into three branch pipelines from the back of a trunk pipeline, a first branch pipeline is connected with the water collecting tank through a pressure reducing valve, a second branch pipeline is connected with the SND reaction tank through a pressure reducing valve, and a third branch pipeline is connected with the pneumatic sludge return pipe at the bottom of the three-phase separation tank through a pressure reducing valve. According to the integrated treatment device disclosed by the invention, the structure is simple, control components are few, and the overhaul and maintenance are convenient; and meanwhile, through realizing microbial nitrification and denitrification reaction in the same system, the efficient removal of organic matters and nitrogen from the sewage is realized.
Description
Technical field
The present invention relates to one way of life waste disposal plant and treatment process, belong to water treatment field, be specially a kind of full pneumatic type Domestic sewage integrated treatment unit and method.
Background technology
Along with the fast development of Chinese countryside economy, domestic sewage in rural areas by using has become the one of the main reasons that Rural Water Environment worsens.It is very large that Chinese countryside sewage has a total emission volumn, but as individual, the water yield is less; Discharge irregular; Disperse, area is wide, lacks the perfect characteristics such as sewage collection system.Levy these characteristics, comparatively the economically feasible method is for collecting sewage, disperse separately to process according to subregion.Integral domestic sewage treatment device is that the sanitary sewage disposal of distributing small-scale opens up a new way.
Integrated domestic sewage treatment device is a kind of modular biological sewage treatment equipment, sewage enters in modular unit by sewage pump, carry out anaerobism, aerobic, a series of biological respinses of anoxic, mud-water separation is carried out in water inlet after a series of biological respinses, sewage is purified.The modular unit domestic demand arranges the motive power machine equipments such as mechanical stirring device, sewage pump, sludge reflux pump, and these motive power machine equipments need routine preventive maintenance and maintenance.In actual moving process, usually integrated domestic sewage treatment device is embedded in underground or semi-underground, the advantage such as equipment does not take up an area surface-area like this, and its upper side can be used as green belt, parking lot, road etc., has floor space little, and neighbourhood noise is little.But equipment is embedded in underground, is unfavorable for mechanical means routine preventive maintenance in integrated apparatus, after especially equipment breaks down, be inconvenient to keep in repair and part replacement etc.
Summary of the invention
The object of the present invention is to provide a kind of full pneumatic type Domestic sewage integrated treatment unit and method, make unpowered mechanical parts in modular unit, realize that the Integration Equipment function unit is few, maintenance, easy to maintenance; Simultaneously,, by realizing that in same system microorganism is nitrated, anti-nitration reaction, realize the efficient removal of organism and nitrogen in sewage.
To achieve these goals, technical problem solved by the invention realizes by the following technical solutions:
A kind of full pneumatic type Domestic sewage integrated treatment unit, comprise water collecting basin, muddy water mixing pit, SND reaction tank, three phase separation pond, effluent trough, pneumatics; Described water collecting basin, muddy water mixing pit, SND reaction tank, three phase separation pond, effluent trough connect successively; Described water collecting basin bottom is certain slope, and water collecting basin one side is provided with the pneumatic lifting hydrophone, is used for lifting sewage and enters the muddy water mixing pit, and bottom is provided with the disc type aeration and carries out hydraulic mixing; Bottom, described three phase separation pond is provided with the pneumatic return line of mud; Described pneumatics comprises gas storage holder, air compressor machine, wherein the inlet end of gas storage holder is connected with air compressor machine by Pneumatic valve, outlet side is divided into three laterals after by main conduit, article one the disc type aerated conduit of lateral by reducing valve and water collecting basin bottom be connected water lifts and be connected, the second lateral is connected with SND reaction tank bottom disc type aerated conduit by reducing valve, article three, lateral is connected with the pneumatic return line of mud of bottom, three phase separation pond by reducing valve, and wherein the pneumatic return line returned sluge of mud is to the bottom of muddy water mixing pit.
Further, be provided with baffle plate between described water collecting basin and muddy water mixing pit, be provided with traverse baffle between muddy water mixing pit and SND reaction tank, muddy water mixing pit bottom and SND reaction tank UNICOM, be provided with riser between SND reaction tank and three phase separation pond, three phase separation is provided with triphase separator in pond.
Further, described SND reaction tank bottom front is provided with the disc type aeration, pushes away under effect aeration is gentle, and SND reaction tank waterpower remains flowable state, has realized that under the effect of nitrifier, denitrifying bacteria good nitrated, denitrification effect and high COD remove.
A kind of close-coupled processing method of full pneumatic type sanitary sewage comprises the following steps:
(1) sewage self-flowing carries out hydraulic mixing by the disc type aeration that is arranged on the water collecting basin bottom after entering water collecting basin, and the sewage after stirring enters the muddy water mixing pit by the pneumatic lifting hydrophone of device on water collecting basin;
(2) sewage bottom from the muddy water mixing pit under pneumatic effect enters the SND reaction tank, at the SND reaction tank, carries out aeration;
(3) enter the three phase separation pond through the sewage of SND reaction tank aeration and carry out mud-water separation, the clear water of separating flows out from effluent trough, and precipitating sludge is back to the muddy water mixing pit by the pneumatic power reflux pipe or by the spoil disposal pipeline, discharges.
Beneficial effect
The present invention adopts the airlift mode to replace gas blower pressurized air in the mechanical and power equipment such as mechanical stirring device in modular unit, sewage pump, sludge reflux pump and aerating system, collection modular unit required drive comes from one, make the inner unpowered mechanical Awaiting Parts of modular unit, realize that Integration Equipment is simple in structure, function unit is few, maintenance, easy to maintenance.Simultaneously, the present invention is by realizing that in same system microorganism is nitrated, anti-nitration reaction, realizes the efficient removal of organism and nitrogen in sewage.
Description of drawings
Fig. 1 is integrated treatment unit structural representation of the present invention;
Fig. 2 is process flow sheet of the present invention.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment that obtains, belong to the scope of protection of the invention.
as shown in Figure 1-2, a kind of full pneumatic type Domestic sewage integrated treatment unit, comprise water collecting basin 1, muddy water mixing pit 2, SND reaction tank 3, three phase separation pond 4, effluent trough 5, pneumatics, described water collecting basin 1, muddy water mixing pit 2, SND reaction tank 3, three phase separation pond 4, effluent trough 5 connect successively, described water collecting basin 1 bottom is certain slope, and water collecting basin 1 one sides are provided with pneumatic lifting hydrophone 9 lifting sewages, and bottom is provided with disc type aeration 10 and carries out hydraulic mixing, 4 bottoms, described three phase separation pond are provided with the pneumatic return line 11 of mud, described pneumatics comprises gas storage holder 12, air compressor machine 13, wherein the inlet end of gas storage holder 12 is connected with air compressor machine 13 by Pneumatic valve 14, outlet side is divided into three laterals after by main conduit, article one the disc type aerated conduit of lateral by reducing valve 15 and water collecting basin 1 bottom be connected water lifts 9 and be connected, the second lateral is connected with the disc type aerated conduit of SND reaction tank 3 bottoms by reducing valve 15, article three, lateral is connected with the pneumatic return line 11 of the mud of 4 bottoms, three phase separation pond by reducing valve 15, wherein pneumatic return line 11 returned sluges of mud are to the bottom of muddy water mixing pit 2.
Further, 2 of described water collecting basin 1 and muddy water mixing pits are provided with baffle plate 6,3 of muddy water mixing pit 2 and SND reaction tanks are provided with traverse baffle 7, muddy water mixing pit 2 bottoms and SND reaction tank 3 UNICOMs, between SND reaction tank 3 and three phase separation pond, 4 are provided with riser 8, are provided with triphase separator in three phase separation pond 4.
Further, described SND reaction tank 3 bottom front are provided with disc type aeration 10, push away under effect at disc type aeration 10 and muddy water mixing pit 2 gas, SND reaction tank 3 waterpower remain flowable state, have realized that under the effect of nitrifier, denitrifying bacteria good nitrated, denitrification effect and high COD remove.
A kind of close-coupled processing method of full pneumatic type sanitary sewage comprises the following steps:
(1) sewage self-flowing carries out hydraulic mixing by the disc type aeration 10 that is arranged on water collecting basin 1 bottom after entering water collecting basin 1, and the sewage after stirring enters muddy water mixing pit 2 by the pneumatic lifting hydrophone 9 of device on water collecting basin 1;
(2) sewage bottom from muddy water mixing pit 2 under pneumatic effect enters SND reaction tank 3, at SND reaction tank 3, carries out aeration;
(3) enter three phase separation pond 4 through the sewage of SND reaction tank 3 aerations and carry out mud-water separation, the clear water of separating flows out from effluent trough 5, and precipitating sludge is back to muddy water mixing pit 2 by pneumatic power reflux pipe 11 or by the spoil disposal pipeline, discharges.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that do not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other specific form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, therefore is intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should make specification sheets as a whole, and the technical scheme in each embodiment also can, through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. a full pneumatic type Domestic sewage integrated treatment unit, comprise water collecting basin, muddy water mixing pit, SND reaction tank, three phase separation pond, effluent trough, pneumatics; Described water collecting basin, muddy water mixing pit, SND reaction tank, three phase separation pond, effluent trough connect successively; It is characterized in that, described water collecting basin bottom is certain slope, and water collecting basin one side is provided with the pneumatic lifting hydrophone, and bottom is provided with the disc type aeration; Described SND reaction tank bottom front is provided with the disc type aeration; Bottom, described three phase separation pond is provided with the pneumatic return line of mud; Described pneumatics comprises gas storage holder, air compressor machine, wherein the inlet end of gas storage holder is connected with air compressor machine by Pneumatic valve, outlet side is divided into three laterals after by main conduit, article one the disc type aerated conduit of lateral by reducing valve and water collecting basin bottom be connected water lifts and be connected, the second lateral is connected with the disc type aerated conduit of SND reaction tank bottom by reducing valve, article three, lateral is connected with the pneumatic return line of mud of bottom, three phase separation pond by reducing valve, wherein the bottom UNICOM of the pneumatic return line of mud and muddy water mixing pit.
2. a kind of full pneumatic type Domestic sewage integrated treatment unit according to claim 1, it is characterized in that, be provided with baffle plate between described water collecting basin and muddy water mixing pit, be provided with traverse baffle between muddy water mixing pit and SND reaction tank, muddy water mixing pit bottom and SND reaction tank UNICOM, be provided with riser between SND reaction tank and three phase separation pond, three phase separation is provided with triphase separator in pond.
3. the close-coupled processing method of full pneumatic type sanitary sewage, is characterized in that, comprises the following steps:
(1) sewage self-flowing carries out hydraulic mixing by the disc type aeration that is arranged on the water collecting basin bottom after entering water collecting basin, and the sewage after stirring enters the muddy water mixing pit by the pneumatic lifting hydrophone of device on water collecting basin;
(2) sewage bottom from the muddy water mixing pit under pneumatic effect enters the SND reaction tank, at the SND reaction tank, carries out aeration;
(3) enter the three phase separation pond through the sewage of SND reaction tank aeration and carry out mud-water separation, the clear water of separating flows out from effluent trough, and precipitating sludge is back to the muddy water mixing pit by the pneumatic power reflux pipe or by the spoil disposal pipeline, discharges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310354749.1A CN103395944B (en) | 2013-08-15 | 2013-08-15 | A kind of full pneumatic type Domestic sewage integrated treatment unit and method |
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| CN201310354749.1A CN103395944B (en) | 2013-08-15 | 2013-08-15 | A kind of full pneumatic type Domestic sewage integrated treatment unit and method |
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| CN103395944B CN103395944B (en) | 2015-09-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396255A (en) * | 2016-09-08 | 2017-02-15 | 深圳力合环保技术有限公司 | Sewage treatment system and sewage treatment method |
| CN108217938A (en) * | 2018-03-17 | 2018-06-29 | 凌建军 | A kind of septic tank of built-in cyclic annular three phase separator |
| CN109809561A (en) * | 2019-03-13 | 2019-05-28 | 北京晟源环保工程技术有限公司 | SDNS superior biological denitrification system |
Citations (6)
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| JPH11290882A (en) * | 1998-04-13 | 1999-10-26 | Kubota Corp | Nitrogen removing apparatus |
| CN2764767Y (en) * | 2005-03-07 | 2006-03-15 | 圆辉 | Domestic sewage treatment method |
| CN101602541A (en) * | 2008-06-13 | 2009-12-16 | 必德普(北京)环保科技有限公司 | Bio sewage treating process and device |
| CN102173510A (en) * | 2011-03-03 | 2011-09-07 | 浙江工商大学 | Sludge reflow-free device with simultaneous nitrification and denitrification (SND) function and operation control method thereof |
| CN103011516A (en) * | 2012-12-13 | 2013-04-03 | 杭州绿色环保技术开发有限公司 | Reactive printing wastewater treatment process and device |
| CN203392927U (en) * | 2013-08-15 | 2014-01-15 | 浙江大学苏州工业技术研究院 | Fully-pneumatic type integrated domestic sewage treatment device |
-
2013
- 2013-08-15 CN CN201310354749.1A patent/CN103395944B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11290882A (en) * | 1998-04-13 | 1999-10-26 | Kubota Corp | Nitrogen removing apparatus |
| CN2764767Y (en) * | 2005-03-07 | 2006-03-15 | 圆辉 | Domestic sewage treatment method |
| CN101602541A (en) * | 2008-06-13 | 2009-12-16 | 必德普(北京)环保科技有限公司 | Bio sewage treating process and device |
| CN102173510A (en) * | 2011-03-03 | 2011-09-07 | 浙江工商大学 | Sludge reflow-free device with simultaneous nitrification and denitrification (SND) function and operation control method thereof |
| CN103011516A (en) * | 2012-12-13 | 2013-04-03 | 杭州绿色环保技术开发有限公司 | Reactive printing wastewater treatment process and device |
| CN203392927U (en) * | 2013-08-15 | 2014-01-15 | 浙江大学苏州工业技术研究院 | Fully-pneumatic type integrated domestic sewage treatment device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396255A (en) * | 2016-09-08 | 2017-02-15 | 深圳力合环保技术有限公司 | Sewage treatment system and sewage treatment method |
| CN108217938A (en) * | 2018-03-17 | 2018-06-29 | 凌建军 | A kind of septic tank of built-in cyclic annular three phase separator |
| CN109809561A (en) * | 2019-03-13 | 2019-05-28 | 北京晟源环保工程技术有限公司 | SDNS superior biological denitrification system |
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