CN106145516A - A kind of sanitary sewage recycling processing device with zero discharge of biological sludge - Google Patents
A kind of sanitary sewage recycling processing device with zero discharge of biological sludge Download PDFInfo
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- CN106145516A CN106145516A CN201510186325.8A CN201510186325A CN106145516A CN 106145516 A CN106145516 A CN 106145516A CN 201510186325 A CN201510186325 A CN 201510186325A CN 106145516 A CN106145516 A CN 106145516A
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- reaction tank
- aeration
- activated carbon
- biomembrane reaction
- quartz sand
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Abstract
A kind of Domestic sewage treatment plant of zero discharge of biological sludge, it is characterized in that: include pipeline or setting pot that aperture is sequentially communicated, in have I and II aeration biomembrane reaction tank, quartz sand filter tank, activated carbon filter, ultraviolet ray disinfecting system and/or the middle pond of filler, have air pump to be respectively communicated with the aeration head being arranged on bottom I and II aeration biomembrane reaction tank and quartz sand, activated carbon filter；Have backwashing pump water inlet pipe to connect middle pond, outlet pipe to be in respectively bottom quartz sand and activated carbon filter；Quartz sand and activated carbon filter have pipeline to lead to one-level aeration biomembrane reaction tank.
Description
Technical field
The invention belongs to sewage disposal technology, particularly to the Domestic sewage treatment plant of a kind of zero discharge of biological sludge.
Background technology
Along with increase and the fast development of economic society of population, shortage of water resources has become as the serious subject matter hindering economic development in a lot of areas, directly affects the sustainable development of China's economic society.Sewage recycling is the effective way alleviating water resources crisis, and the method for current sewage recycling is broadly divided into: bioanalysis, physical-chemical process and embrane method three major types.Biological treatment is the low cost sewage disposal technology generally admitted, but bioanalysis common be limited in that generation excess sludge, need excess sludge is carried out subsequent treatment.According to statistics, in the capital expenditure or operating cost of Sewage Plant, the expense that excess sludge processing procedure occurs accounts for nearly the 30% of total cost.Disposal currently, with respect to excess sludge does not the most work out the most economic method, and sludge problem becomes a great problem of puzzlement Sewage Plant.
Summary of the invention
The purpose of the present invention, it is simply that provide a kind of sanitary sewage recycling processing device with zero discharge of biological sludge, does not produce after its sewage disposal that excess sludge, odorless, processing technological flow be simple and low cost.
For realizing goal of the invention, the sanitary sewage recycling processing device with zero discharge of biological sludge of the present invention, include pipeline or setting pot that aperture is sequentially communicated, in have I and II aeration biomembrane reaction tank, quartz sand filter tank, activated carbon filter, ultraviolet ray disinfecting system and/or the middle pond of filler, have air pump to be respectively communicated with the aeration head being arranged on bottom I and II aeration biomembrane reaction tank and quartz sand, activated carbon filter；Have backwashing pump water inlet pipe to connect middle pond, outlet pipe to be in respectively bottom quartz sand and activated carbon filter；Quartz sand and activated carbon filter have pipeline to lead to one-level aeration biomembrane reaction tank.
The invention has the beneficial effects as follows: aeration biomembrane reaction tank water outlet exists halfway residual microorganism of degrading, it is trapped after input sand filtration and activated carbon filter, by filter back washing, the residual microorganism retained is back to the water inlet end of aeration biomembrane reaction tank, carbon source as microorganism is recycled and processes, residual microorganism is fully degraded, realize the zero-emission of biological sludge, make whole process no longer produce excess sludge；Process effluent reuse in pouring greening, clean road, flush the toilet and the purposes such as carwash；Processing through stink after completing due to sewage disposal again, so effectively improving the working environment of sewage disposal, it also is able to efficiently avoid the impact on surrounding enviroment facility, make sewage treatment facility can build distance crowd closer to residential quarter and public building in, build the bottleneck problem of sewage recycling facility in solving residential quarter and public building；Due also to microbe survival environment can be separated and optimize by gallery separation structure effectively that use in aeration biomembrane reaction tank, shorten techniqueflow, eliminate sludge condensation and Treatment of Sludge structures, reduce construction costs and day-to-day operation expense.
Below in conjunction with embodiment, the present invention is further described.
Label 1. one-level aeration biomembrane reaction tank, 2. two grades of aeration biomembrane reaction tanks, 3. activated carbon filter, 4. quartz sand filter tank, 5. one-level aeration biomembrane reaction tank outlet, 6. two grades of aeration biomembrane reaction tank outlets, 7. filler, 8. Aeration tank air pump, 9. backwashing pump, 10. aeration head, 11. backwash air pumps, 12. force (forcing) pumps, 13. blow-down pipes, 14.U shape communicating pipe, 15 ultraviolet disinfection lamps.
Detailed description of the invention
The waste water processes of the embodiment of the present invention is:
(1) the boosted pumping plant of sewage enters setting pot, removes after silt and particle precipitate；
(2) in bottom enters, the one-level aeration biomembrane reaction tank of filler is had with force (forcing) pump pressurization；
(3) there are two grades of aeration biomembrane reaction tanks of filler in being entered by one-level aeration biomembrane reaction tank top outlet；
(4) quartz sand filter tank is entered by two grades of aeration biomembrane reaction tank top outlets；
(5) activated carbon filter top is entered by bottom quartz sand filter tank through U-tube；
(6) decontamination system is flowed through；
(7) middle pond is flowed to complete；
In described flow process, there is employing aerator by aeration head at one, two aeration biomembrane reaction tanks and quartz sand, activated carbon filter bottom up aeration；Backwashing pump therefrom pool water-pumping is had to recoil bottom-up to quartz sand and activated carbon filter respectively；Quartz sand and activated carbon filter are the most all to the recoil draining of one-level aeration biomembrane reaction tank.
First sewage promoted by this device by elevator pump, and the sewage after lifting enters setting pot, removes after silt and particle precipitate, and Organic substance is played certain hydrolysis acidification effect by the sewage in setting pot；Then the sewage in setting pot flows into one-level aeration biomembrane reaction tank and two grades of aeration biomembrane reaction tanks successively, remove the Organic substance in water, it is made up of the aerating system and bio-carrier independently controlling aeration rate in pond, aerating system is positioned at bottom pond, (air) is supplied by aerator, use the aeration biomembrane reaction tank of gallery separation structure, microbe survival environment can be separated and optimize by this gallery separation structure effectively, the microorganism making the different activities cycle is respectively in different environment, optimize increased logarithmic phase and improve organic removal effect, optimize decline phase and reduce microorganism residual；Wherein, separating for this gallery is structurally to be thin-and-long along water (flow) direction, and it is divided into 3 sections (or more multistages) along water (flow) direction, it is made up of the aerating system and bio-carrier independently controlling aeration rate in every section, aerating system is positioned at bottom pond, uses aerator supply (air)；Sewage flows to filter tank from the outlet of aeration biomembrane reaction tank afterwards; filter tank mainly retains residual microorganism by sand filtration and granular active carbon; quartz sand filter tank is used for removing float, Organic substance and the ash in two grades of aeration biomembrane reaction tank water outlets; retain the microorganism of remnants; activated carbon filter main purpose is to eliminate the unusual smell and colourity, and reduces Organic substance and concentration of suspension further；And refluxed by the collection of spent filter backwash water, it being recycled to one-level aeration biomembrane reaction tank water inlet end, microorganism therein and Organic substance are taken as carbon source to reuse and removal of degrading；Finally enter back into ultraviolet ray disinfecting system to carry out disinfection.
Ultraviolet ray disinfecting system is for controlling to process the microbiological indicator of water outlet, and middle pond is used for the middle water after storing process；Wherein during sewage disposal, there is halfway residual microorganism of degrading in aeration biomembrane reaction tank water outlet, it is trapped after input sand filtration and activated carbon filter, by filter back washing, the residual microorganism retained is back to the water inlet end of aeration biomembrane reaction tank, carbon source as microorganism is recycled and processes, residual microorganism is fully degraded, it is achieved the zero-emission of biological sludge.Whole process no longer produces excess sludge and just can realize domestic sewage resource and utilize, and the sanitary sewage after can these being processed be used for watering greening, cleaning road, flush the toilet and the purposes such as carwash.
The mud produced due to biological treatment process is mainly microflora organisms and the Organic substance of its absorption, and Organic substance therein can use as carbon source, by the way of going out water filtration and backwashing water backflow, Organic substance can be again returned to processing system.Even being difficult to biodegradable Organic substance, by processing at intrasystem iterative cycles, it is also possible to be gradually decomposed removal.Finally, the most not biodegradable inorganic ash content remains in response system.Owing to content of ashes is little, can run in system and reach certain time, concentrate cleaning when ash accumulation is more, or clear up when system at regular intervals is safeguarded.Need not at ordinary times clear up ash, it is not necessary to discharge biological sludge, it is achieved that the zero-emission of biological sludge.
Be suitable for the sanitary sewage recycling processing device with zero discharge of biological sludge of above-mentioned technique: include pipeline or setting pot that aperture is sequentially communicated, in have I and II aeration biomembrane reaction tank, quartz sand filter tank, activated carbon filter, ultraviolet ray disinfecting system and/or the middle pond of filler, have air pump to be respectively communicated with the aeration head being arranged on bottom I and II aeration biomembrane reaction tank and quartz sand, activated carbon filter；Have backwashing pump water inlet pipe to connect middle pond, outlet pipe to be in respectively bottom quartz sand and activated carbon filter；Quartz sand and activated carbon filter have pipeline to lead to one-level aeration biomembrane reaction tank.
The processing means of integral type is concrete, in three layers of tubular, there is space bar that internal layer cylinder is separated into quartz sand, activated carbon filter, and the side of the one-level aeration biomembrane reaction tank 1 of outer layer and two grades of aeration biomembrane reaction tank 2 ring cylinders in intermediate layer is separated, i.e. cylinder shape reaction tank separates and can not circulate in pond end to end；There is aeration head 10 upward bottom each pond, in I and II aeration biomembrane reaction tank, have filler 7；One-level aeration biomembrane reaction tank is had to the outlet 5 of two grades of aeration biomembrane reaction tanks in the side of intermediate layer barrel plate spaced above, opposite side at internal layer barrel plate spaced above has two grades of aeration biomembrane reaction tanks to the outlet 6 in quartz sand filter tank, the U-tube UNICOM top to activated carbon filter 3 is had bottom quartz sand filter tank 4, the porch of U-tube is equipped with ultraviolet disinfection lamp 14, and quartz sand, the top of activated carbon filter have pipe to be communicated to one-level aeration biomembrane reaction tank；It is mounted below aeration pump 8, recoil water pump 9, recoil air pump 11 and sewage force (forcing) pump 12 at three layers of cylinder, the output of sewage force (forcing) pump 12 is to the bottom of one-level aeration biomembrane reaction tank, the output of aeration pump 8 is to the aeration head 10 of I and II aeration biomembrane reaction tank, the output of recoil air pump 11 is to quartz sand, the aeration head 10 of activated carbon filter, the output of recoil water pump 9 is to quartz sand, the bottom of activated carbon filter, and the bottom in each pond is also equipped with blow-down pipe 13.
Wherein, it is in structure to be thin-and-long along water (flow) direction that gallery in above-described embodiment separates, and is divided into 3 sections along water (flow) direction；And every section is made up of the aerating system and bio-carrier independently controlling aeration rate.
One-level aeration biomembrane reaction tank is positioned at the outermost layer of equipment, two grades of aeration biomembrane reaction tanks are positioned at the intermediate layer of equipment, sewage enters one-level aeration biomembrane reaction tank 1 after being pressurizeed by equipment bottom force (forcing) pump 11 after primary deposition, then two grades of aeration biomembrane reaction tanks 2 are entered by top outlet 5, the sewage of entrance aeration biomembrane reaction tank, by the filtering layer being made up of filler 7, is perched, what filling surface was formed, the biomembrane formed by microorganism.At sewage through biomembranous while, air is supplied by the air pump 8 of equipment bottom, and carry out aeration by aeration head 10 to filler, air is contacted with dirty sewage in opposite directions by liter on the gap of filler 7, oxygen in air is transferred in sewage, and the microorganism on biomembrane provides sufficient dissolved oxygen and abundant Organic substance.Under the metabolism of microorganism under effect, organic pollution is degraded.
Quartz sand filter tank, is positioned at the side of equipment innermost layer, is used for removing the float in the water outlet of two grades of aeration biomembrane reaction tanks 2；Activated carbon filter, the opposite side main purpose being positioned at equipment innermost layer is to eliminate the unusual smell and colourity, and reduces Organic substance and concentration of suspension further；Ultraviolet ray disinfecting system, for controlling to process the microbiological indicator of water outlet；Air-water backwashing is all used when activated carbon filter 3 and sand filter 4 backwash, first supplied the air of elevated pressures by air pump 11 and carry out backwash, after certain time, backwashing pump 9 starts, and the water in middle pond is promoted to activated carbon filter 3 or sand filter 4 carries out backwash.The backwash water outlet of activated carbon filter 3 and the sand filter 4 outlet pipe entrance one-level aeration biomembrane reaction tank through respective top re-starts process.
When turnaround of unit or out of service etc. needs emptying, sewage is entered municipal drainage pipe network by the blow-down pipe 13 opening device bottom.Just can transport to additionally for the middle pond of water storage after process from activated carbon filter water out, it is possible to be used for watering greening, cleaning road, flush the toilet and the purposes such as carwash.
The integration apparatus of the present invention, outward appearance is cylinder, and is divided into three layer of four part from outside to inside, outermost layer is one-level aeration biomembrane reaction tank 1, and intermediate layer is two grades of aeration biomembrane reaction tanks 2, and innermost layer divides two parts, side is activated carbon filter 3, and opposite side is sand filter 4.Sanitary sewage is promoted to setting pot by sanitary sewage/elevator pump, removes silt and particle, and Organic substance plays certain hydrolysis acidification effect；Sewage enters one-level aeration biomembrane reaction tank 1 after being pressurizeed by equipment bottom force (forcing) pump 12 after primary deposition, then two grades of aeration biomembrane reaction tanks 2 are entered by top outlet 5, the sewage of entrance aeration biomembrane reaction tank, by the filtering layer being made up of filler 7, is perched, what filling surface was formed, the biomembrane formed by microorganism.At sewage through biomembranous while, air is supplied by the air pump 8 of equipment bottom, and carry out aeration by aeration head 10 to filler, air is contacted with dirty sewage in opposite directions by liter on the gap of filler 7, oxygen in air is transferred in sewage, and the microorganism on biomembrane provides sufficient dissolved oxygen and abundant Organic substance.Under the metabolism of microorganism under effect, organic pollution is degraded.Entered sand filter 4 by top outlet 6 again, enter the sewage of sand filter 4 from top to bottom by the filtering layer being made up of quartz sand, the float in removal Aeration tank biomembrane reaction pond water outlet.Water outlet bottom sand filter 4 enters the top of the activated carbon filter 3 of opposite side by U-tube, goes to eliminate the unusual smell and colourity, and reduces Organic substance and concentration of suspension further.Air-water backwashing is all used when activated carbon filter 3 and sand filter 4 backwash, first supplied the air of elevated pressures by air pump 11 and carry out backwash, after certain time, backwashing pump 9 starts, and the water in middle pond is promoted to activated carbon filter 3 or sand filter 4 carries out backwash.The backwash water outlet of activated carbon filter 3 and the sand filter 4 outlet pipe entrance one-level aeration biomembrane reaction tank through respective top re-starts process.
Claims (2)
1. a Domestic sewage treatment plant for zero discharge of biological sludge, is characterized in that: include pipeline or setting pot that aperture is sequentially communicated, in have the I and II aeration biomembrane reaction tank of filler, quartz sand
Filter tank, activated carbon filter, ultraviolet ray disinfecting system and/or middle pond, have air pump to be respectively communicated with the aeration head being arranged on bottom I and II aeration biomembrane reaction tank and quartz sand, activated carbon filter；There is backwashing pump water inlet pipe
Connect pond, outlet pipe to be in respectively bottom quartz sand and activated carbon filter；Quartz sand and activated carbon filter have pipeline to lead to one-level aeration biomembrane reaction tank.
The device of the domestic sewage resource treatment process of zero discharge of biological sludge the most according to claim 1, is characterized in that: in three layers of tubular, has space bar that internal layer cylinder is separated into quartz sand, activated carbon filter,
And the side of one-level aeration biomembrane reaction tank (1) of outer layer and two grades of aeration biomembrane reaction tank (2) ring cylinders in intermediate layer is separated, i.e. cylinder shape reaction tank separates and can not circulate in pond end to end；There is aeration head (10) upward bottom each pond, in I and II aeration biomembrane reaction tank, have filler (7)；Having an one-level aeration biomembrane reaction tank in the side of intermediate layer barrel plate spaced above to the outlet (5) of two grades of aeration biomembrane reaction tanks, the opposite side at internal layer barrel plate spaced above has two grades of aeration biomembrane reaction tank going out to quartz sand filter tank
The mouth of a river (6), the top of U-tube (14) UNICOM to activated carbon filter (3) is arranged at bottom, quartz sand filter tank (4), the porch of U-tube is equipped with ultraviolet disinfection lamp (15), and quartz sand, the top of activated carbon filter have pipe to be communicated to one-level aeration biomembrane reaction tank；It is mounted below aeration pump (8), recoil water pump (9), recoil air pump (11) and sewage force (forcing) pump (12) at three layers of cylinder, the output of sewage force (forcing) pump is to the bottom of one-level aeration biomembrane reaction tank, the output of aeration pump is to the aeration head of I and II aeration biomembrane reaction tank, the output of recoil air pump
To quartz sand, the aeration head of activated carbon filter, the output of recoil water pump is to quartz sand, the bottom of activated carbon filter, and the bottom in each pond is also equipped with blow-down pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510186325.8A CN106145516A (en) | 2015-04-20 | 2015-04-20 | A kind of sanitary sewage recycling processing device with zero discharge of biological sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510186325.8A CN106145516A (en) | 2015-04-20 | 2015-04-20 | A kind of sanitary sewage recycling processing device with zero discharge of biological sludge |
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| CN106145516A true CN106145516A (en) | 2016-11-23 |
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| CN201510186325.8A Pending CN106145516A (en) | 2015-04-20 | 2015-04-20 | A kind of sanitary sewage recycling processing device with zero discharge of biological sludge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381935A (en) * | 2017-07-18 | 2017-11-24 | 陈留成 | A kind of sewage microbial degradation purification technique |
| CN109502853A (en) * | 2018-12-29 | 2019-03-22 | 河南绿色九州环保科技股份有限公司 | Sewerage disposing system for circulating cooling water of power plant |
-
2015
- 2015-04-20 CN CN201510186325.8A patent/CN106145516A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381935A (en) * | 2017-07-18 | 2017-11-24 | 陈留成 | A kind of sewage microbial degradation purification technique |
| CN109502853A (en) * | 2018-12-29 | 2019-03-22 | 河南绿色九州环保科技股份有限公司 | Sewerage disposing system for circulating cooling water of power plant |
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Application publication date: 20161123 |
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