CN102311171A - Horizontal well sewage treatment plant and method thereof - Google Patents
Horizontal well sewage treatment plant and method thereof Download PDFInfo
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- CN102311171A CN102311171A CN201110242317A CN201110242317A CN102311171A CN 102311171 A CN102311171 A CN 102311171A CN 201110242317 A CN201110242317 A CN 201110242317A CN 201110242317 A CN201110242317 A CN 201110242317A CN 102311171 A CN102311171 A CN 102311171A
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Abstract
The invention relates to a deep well sewage aeration technology, an air floatation separation technology and equipment of the technologies, and concretely relates to a horizontal well sewage treatment plant and a method thereof. The horizontal well sewage treatment plant which comprises a total tube of compressed air, branch tubes of the compressed air, an extraneous sewage pipeline, diffuser tubes, a sewage pipeline, exhaust pipelines, a sludge pump, a sedimentation tank, backflow sludge pipelines, a mixed liquid pipeline, and deep wells is formed by an anaerobic zone, an anoxic zone, an aerobic zone, and a backflow apparatus. The method comprises the following steps: leading extraneous sewage to a left-most deep well in the anaerobic zone, carrying out full oxygen charging and mixing on the compressed air and the backflow sludge in the anaerobic zone and the anoxic zone, going through the aerobic zone to the sedimentation tank for solid-liquid separation, settling the sludge to the bottom of the tank with the sedimentation tank, allowing a residual liquid to flow out of an outlet pipeline, and allowing the sludge in the sedimentation tank to back to a fist deep well and to be mixed with the compressed air by going through the backflow sludge pipelines at the bottom of the sludge pump with the sludge pump. The horizontal well sewage treatment plant has the advantages of high oxygen conversion rate, simple structure, high efficiency, and low cost.
Description
[technical field]
Patent of the present invention relates to sewage aeration technology, dissolved air flotation technology and equipment thereof, a kind of specifically horizontal well waste disposal plant and method.
[background technology]
Aeration refers to airborne oxygen is forced the process that in liquid, shifts, its objective is to obtain enough dissolved oxygens.In addition, aeration prevents that in addition pond inner suspension body from sinking, and strengthens the purpose that organism contacts with mikrobe and dissolved oxygen in the pond.Thereby in the assurance pond there be under the condition of sufficient dissolved oxygen mikrobe, to organic oxygenolysis in the sewage.Water contacts with gas, carries out the process of dissolved oxygen or diffusing dewater middle dissolved gas and volatile matter.Its implementation has following three kinds: spray liquid (1) in air, the biological example filter tank; (2) make air bubble pass through liquid diffusion, for example blast aeration; (3) bring in constant renewal in liquid level and impel air to shift to liquid phase, for example mechanical aeration at the interface.
Dissolved air flotation is to make suspended substance adhere to bubble and rise to the water surface, thereby divides dried up and water treatment method suspended substance.Make also that tensio-active agent floats attached to bubble surface in the water, thereby and water sepn, foam air supporting method be called.The equipment that the air supporting method is used comprises the air flotation pool of accomplishing sepn process and the auxiliary facility that produces bubble.In the water treatment, the air supporting method can be used for the inapplicable occasion of the precipitator method, approaches water and is difficult to sedimentary suspended substance to separate proportion.
Domestic patent of invention CN101033100A discloses a kind of composite flow aeration biological filter treatment unit; This device is equipped with into water thrust-augmenting nozzle and compressed air pipe in the body of pond; Its design is the bottom entrance pressure air that contracts; Sewage gets into along the water inlet thrust-augmenting nozzle from top to down, and this design from power demand makes it can't well make sewage and pressurized air change oxygen and pre-mixing, can not reach good effect.
[summary of the invention]
The object of the invention is exactly the deficiency that will solve prior art, and a kind of cost is lower, solid-liquid separation effect better, the oxygen transfer amount is higher horizontal well waste disposal plant and method are provided.
For realizing that above-mentioned purpose designs a kind of horizontal well waste disposal plant; Comprise pneumatic manifold, arm, extraneous sewer line, diffuser tube, sewer line, gas exhaust duct, sludge pump, settling tank, returned sluge pipeline, mixed solution pipeline, horizontal well, it is characterized in that described waste disposal plant is provided with anaerobic zone, oxygen-starved area, aerobic zone, settling tank and reflux from left to right successively and constitutes:
A, anaerobic zone: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; Extraneous sewer line passes in first the horizontal well of anaerobic zone; The import of mixed solution pipeline horizontal well from the leftmost side is inserted into the horizontal well bottom and is connected with diffuser tube, and an end of diffuser tube is connected with extraneous sewer line, and the outlet of anaerobic zone horizontal well is equipped with sewer line; Except that last horizontal well, the sewer line that the outlet of each horizontal well of anaerobic zone connects all diffuser tube bottom import from next horizontal well is inserted into horizontal well and bottom it is connected;
B, oxygen-starved area: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; The import of connecting tube first horizontal well from the oxygen-starved area of last horizontal well outlet of anaerobic zone is inserted into the horizontal well bottom and is connected with diffuser tube; The outlet of horizontal well is equipped with sewer line; Except that last horizontal well, the sewer line that the outlet of each horizontal well of oxygen-starved area connects all diffuser tube bottom import from next horizontal well is inserted into horizontal well and bottom it is connected;
C, aerobic zone: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; Pneumatic manifold and well lid import corresponding position are provided with arm; The pipeline that oxygen-starved area last horizontal well outlet connects and the air arm of first horizontal well of aerobic zone merge and are connected and are inserted into bottom the horizontal well and are connected with diffuser tube from import, and the outlet of horizontal well all connects sewer line, except that last horizontal well; The sewer line that each horizontal well outlet connects all is connected with the air arm merging of next horizontal well and is inserted into the horizontal well bottom and connects diffuser tube from import;
D, be provided with a settling tank on last horizontal well right side of aerobic zone, offer riser between settling tank and this horizontal well, the settling tank right side is provided with outlet conduit, and the bottom is connected with the returned sluge pipeline;
E, reflux: be made up of returned sluge pipeline, sludge pump, mixed solution pipeline, connect the sludge pump import with the other end of the returned sluge pipeline that is connected at the bottom of the settling tank, the sludge pump outlet connects the mixed solution pipeline.
Can also be provided with gas exhaust duct in the outlet of described horizontal well.
A kind of horizontal well sewage water treatment method is characterized in that with the sewer line being that reactor drum carries out the method that sewage aeration is handled, and its concrete steps are following:
(1) sewage that comes from the external world at first passes to the horizontal well of the anaerobic zone leftmost side, and mixes with the ducted returned sluge of mixed solution;
(2) diffuser tube diffuses to mixed mud in the horizontal well, and the mud of diffusion carries out plug-flow, stirring and promote mud flowing to sewer line from the horizontal well outlet and being diffused in the next horizontal well from diffuser tube in horizontal well;
(3) repeating step (2) is until last horizontal well of anaerobic zone;
(4) plug-flow of the sewage in last horizontal well of anaerobic zone through diffusion mud from horizontal well outlet plug-flow to sewer line again to first horizontal well of oxygen-starved area;
(5) diffuser tube diffuses to mixed mud in the horizontal well, and the mud of diffusion carries out plug-flow, stirring and promote mud flowing to sewer line from the horizontal well outlet and being diffused in the next horizontal well from diffuser tube in horizontal well;
(6) repeating step (5) is until last horizontal well of oxygen-starved area, and the vapor pipe of horizontal well outlet can be discharged unnecessary gas;
(7) sewage in last horizontal well of oxygen-starved area and pressurized air carry out sufficient oxygenation and are mixed and fed in the horizontal well in arm;
(8) diffuser tube is divided into bubble with mixed mud and pressurized air and diffuses in the deep-well, the principle of the bubble in deep-well through dissolved air flotation will mud wherein carry out plug-flow, stirring and promote mud from the deep-well outlet flow to sewer line again with the arm of next deep-well in pressurized air carry out oxygenation and mix;
(9) repeating step (8) is until last horizontal well of aerobic zone, and the vapor pipe of horizontal well outlet can be discharged unnecessary gas, and mud flow to settling tank from riser;
(10) settling tank with sludge settling to pond at the bottom of, remaining liquid flows out from the outlet conduit of settling tank;
(11) mud in the settling tank is returned first horizontal well place of anaerobic zone by sludge pump through the returned sluge pipeline of its bottom and is mixed with pressurized air.
The present invention compares with prior art:
(1) pressurized air is fully used: the OTR of traditional technology is generally about 15%, and technology of the present invention improves the solubleness of oxygen because the pressurized air in the horizontal well reuses; Through technical renovation, sewage is with greatly prolonging the duration of contact of air, so the rate of transform greatly improves simultaneously; And compressed-air actuated utilization also is very ingenious, and pressurized gas has been accomplished molten airway dysfunction in oxygenation; For active sludge dissolved air flotation, concentrated two steps once accomplish; The agitating function of also having accomplished has guaranteed the thorough mixing of mixed solution and raw waste water, has also accomplished the plug-flow function at last; Guarantee that mixed solution carries out circulation and undercurrent by production engineering specifications, guarantee reaction times and the removal efficient of sewage in reactor drum.Therefore this technology is actually a gas and uses more: i.e. the plug-flow of oxygenation, mixed solution, stirring, mud-water separation, mud concentrate and mud refluxes.Its energy-saving effect is that present any technology can't be compared.
(2) the present invention adopts the dissolved air flotation pond to realize mud-water separation, and the solid content of excess sludge can reach 4%, can directly get into sludge dewatering equipment and dewater; And the excess sludge solid content of traditional technology is 0.8%, just can carry out sludge dewatering after supporting sludge thickener of needs or pre-concentration machine concentrate.
(3) stronger anti impulsion load ability: returned sluge with extraneous sewage thorough mixing, diluted rapidly in reactor drum to the pollution factor of water inlet, have extremely strong anti impulsion load ability.Because mixed solution has very high CO2 concentration in the deep-well, the pH value of intaking had very strong shock absorption.But the organic biochemical waste water that is fit to high density, high VOC.
(4) aeration process in deep well mud quantity of reflux is suitable with conventional sewage treatment process; But technology of the present invention is because himself special construction and characteristic; Make full use of HYDRODYNAMIC CONDITION RELATING TO; The water outlet gravity of technology of the present invention flows to the dissolved air flotation pond and realizes mud-water separation (need not dose any medicament), and the mud of separating refluxes also can realize gravity reflux, thereby effectively reduces working cost---lower labor management expense and maintenance cost;
(5) compact construction is embedded in undergroundly, and requisite space and floor space are all very little, and anti-seismic performance is good: floor space is 1/4 of a traditional technology.Be convenient to add a cover, minimum is reduced in vision and smell influence.
[description of drawings]
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the upward view of Fig. 1;
Among the figure 1, extraneous sewer line 2, pneumatic manifold 3, mixed solution pipeline 4, horizontal well 5, compressed-air actuated arm 6, gas exhaust duct 7, settling tank 8, outlet conduit 9, returned sluge pipeline 10, sludge pump 11, diffuser tube 12, anaerobic zone, oxygen-starved area 13, aerobic zone
[embodiment]
In conjunction with accompanying drawing the present invention is further specified, the manufacturing technology of this device is very clearly concerning this professional people.
Like accompanying drawing 1, shown in 2; The inventive system comprises pneumatic manifold, arm, extraneous sewer line, diffuser tube, sewer line, gas exhaust duct, sludge pump, settling tank, returned sluge pipeline, mixed solution pipeline, horizontal well, it is characterized in that described waste disposal plant is provided with anaerobic zone, oxygen-starved area, aerobic zone, settling tank and reflux from left to right successively and constitutes:
A, anaerobic zone: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; Extraneous sewer line passes in first the horizontal well of anaerobic zone; The import of mixed solution pipeline horizontal well from the leftmost side is inserted into the horizontal well bottom and is connected with diffuser tube, and an end of diffuser tube is connected with extraneous sewer line, and the outlet of anaerobic zone horizontal well is equipped with sewer line; Except that last horizontal well, the sewer line that the outlet of each horizontal well of anaerobic zone connects all diffuser tube bottom import from next horizontal well is inserted into horizontal well and bottom it is connected;
B, oxygen-starved area: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; The import of connecting tube first horizontal well from the oxygen-starved area of last horizontal well outlet of anaerobic zone is inserted into the horizontal well bottom and is connected with diffuser tube; The outlet of horizontal well is equipped with sewer line; Except that last horizontal well, the sewer line that the outlet of each horizontal well of oxygen-starved area connects all diffuser tube bottom import from next horizontal well is inserted into horizontal well and bottom it is connected;
C, aerobic zone: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; Pneumatic manifold and well lid import corresponding position are provided with arm; The pipeline that oxygen-starved area last horizontal well outlet connects and the air arm of first horizontal well of aerobic zone merge and are connected and are inserted into bottom the horizontal well and are connected with diffuser tube from import, and the outlet of horizontal well all connects sewer line, except that last horizontal well; The sewer line that each horizontal well outlet connects all is connected with the air arm merging of next horizontal well and is inserted into the horizontal well bottom and connects diffuser tube from import;
D, be provided with a settling tank on last horizontal well right side of aerobic zone, offer riser between settling tank and this horizontal well, the settling tank right side is provided with outlet conduit, and the bottom is connected with the returned sluge pipeline;
E, reflux: be made up of returned sluge pipeline, sludge pump, mixed solution pipeline, connect the sludge pump import with the other end of the returned sluge pipeline that is connected at the bottom of the settling tank, the sludge pump outlet connects the mixed solution pipeline.
Can also be provided with gas exhaust duct in the outlet of described horizontal well.
Its concrete steps are following:
(1) sewage that comes from the external world at first passes to the horizontal well of the anaerobic zone leftmost side, and mixes with the ducted returned sluge of mixed solution;
(2) diffuser tube diffuses to mixed mud in the horizontal well, and the mud of diffusion carries out plug-flow, stirring and promote mud flowing to sewer line from the horizontal well outlet and being diffused in the next horizontal well from diffuser tube in horizontal well;
(3) repeating step (2) is until last horizontal well of anaerobic zone;
(4) plug-flow of the sewage in last horizontal well of anaerobic zone through diffusion mud from horizontal well outlet plug-flow to sewer line again to first horizontal well of oxygen-starved area;
(5) diffuser tube diffuses to mixed mud in the horizontal well, and the mud of diffusion carries out plug-flow, stirring and promote mud flowing to sewer line from the horizontal well outlet and being diffused in the next horizontal well from diffuser tube in horizontal well;
(6) repeating step (5) is until last horizontal well of oxygen-starved area, and the vapor pipe of horizontal well outlet can be discharged unnecessary gas;
(7) sewage in last horizontal well of oxygen-starved area and pressurized air carry out sufficient oxygenation and are mixed and fed in the horizontal well in arm;
(8) diffuser tube is divided into bubble with mixed mud and pressurized air and diffuses in the deep-well, the principle of the bubble in deep-well through dissolved air flotation will mud wherein carry out plug-flow, stirring and promote mud from the deep-well outlet flow to sewer line again with the arm of next deep-well in pressurized air carry out oxygenation and mix;
(9) repeating step (8) is until last horizontal well of aerobic zone, and the vapor pipe of horizontal well outlet can be discharged unnecessary gas, and mud flow to settling tank from riser;
(10) settling tank with sludge settling to pond at the bottom of, remaining liquid flows out from the outlet conduit of settling tank;
(11) mud in the settling tank is returned first horizontal well place of anaerobic zone by sludge pump through the returned sluge pipeline of its bottom and is mixed with pressurized air.
Claims (3)
1. horizontal well waste disposal plant; Comprise pneumatic manifold, arm, extraneous sewer line, diffuser tube, sewer line, gas exhaust duct, sludge pump, settling tank, returned sluge pipeline, mixed solution pipeline, horizontal well, it is characterized in that described waste disposal plant is provided with anaerobic zone, oxygen-starved area, aerobic zone, settling tank and reflux from left to right successively and constitutes:
A, anaerobic zone: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; Extraneous sewer line passes in first the horizontal well of anaerobic zone; The import of mixed solution pipeline horizontal well from the leftmost side is inserted into the horizontal well bottom and is connected with diffuser tube, and an end of diffuser tube is connected with extraneous sewer line, and the outlet of anaerobic zone horizontal well is equipped with sewer line; Except that last horizontal well, the sewer line that the outlet of each horizontal well of anaerobic zone connects all diffuser tube bottom import from next horizontal well is inserted into horizontal well and bottom it is connected;
B, oxygen-starved area: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; The import of connecting tube first horizontal well from the oxygen-starved area of last horizontal well outlet of anaerobic zone is inserted into the horizontal well bottom and is connected with diffuser tube; The outlet of horizontal well is equipped with sewer line; Except that last horizontal well, the sewer line that the outlet of each horizontal well of oxygen-starved area connects all diffuser tube bottom import from next horizontal well is inserted into horizontal well and bottom it is connected;
C, aerobic zone: be arranged in order by several horizontal wells and form; Horizontal well all adds well lid and on well lid, is provided with import and outlet; Pneumatic manifold and well lid import corresponding position are provided with arm; The pipeline that oxygen-starved area last horizontal well outlet connects and the air arm of first horizontal well of aerobic zone merge and are connected and are inserted into bottom the horizontal well and are connected with diffuser tube from import, and the outlet of horizontal well all connects sewer line, except that last horizontal well; The sewer line that each horizontal well outlet connects all is connected with the air arm merging of next horizontal well and is inserted into the horizontal well bottom and connects diffuser tube from import;
D, be provided with a settling tank on last horizontal well right side of aerobic zone, offer riser between settling tank and this horizontal well, the settling tank right side is provided with outlet conduit, and the bottom is connected with the returned sluge pipeline;
E, reflux: be made up of returned sluge pipeline, sludge pump, mixed solution pipeline, connect the sludge pump import with the other end of the returned sluge pipeline that is connected at the bottom of the settling tank, the sludge pump outlet connects the mixed solution pipeline.
2. a kind of horizontal well waste disposal plant as claimed in claim 1 is characterized in that can also being provided with gas exhaust duct in the outlet of described horizontal well.
3. a horizontal well sewage water treatment method is characterized in that with the sewer line being that reactor drum carries out the method that sewage aeration is handled, and its concrete steps are following:
(1) sewage that comes from the external world at first passes to the horizontal well of the anaerobic zone leftmost side, and mixes with the ducted returned sluge of mixed solution;
(2) diffuser tube diffuses to mixed mud in the horizontal well, and the mud of diffusion carries out plug-flow, stirring and promote mud flowing to sewer line from the horizontal well outlet and being diffused in the next horizontal well from diffuser tube in horizontal well;
(3) repeating step (2) is until last horizontal well of anaerobic zone;
(4) plug-flow of the sewage in last horizontal well of anaerobic zone through diffusion mud from horizontal well outlet plug-flow to sewer line again to first horizontal well of oxygen-starved area;
(5) diffuser tube diffuses to mixed mud in the horizontal well, and the mud of diffusion carries out plug-flow, stirring and promote mud flowing to sewer line from the horizontal well outlet and being diffused in the next horizontal well from diffuser tube in horizontal well;
(6) repeating step (5) is until last horizontal well of oxygen-starved area, and the vapor pipe of horizontal well outlet can be discharged unnecessary gas;
(7) sewage in last horizontal well of oxygen-starved area and pressurized air carry out sufficient oxygenation and are mixed and fed in the horizontal well in arm;
(8) diffuser tube is divided into bubble with mixed mud and pressurized air and diffuses in the deep-well, the principle of the bubble in deep-well through dissolved air flotation will mud wherein carry out plug-flow, stirring and promote mud from the deep-well outlet flow to sewer line again with the arm of next deep-well in pressurized air carry out oxygenation and mix;
(9) repeating step (8) is until last horizontal well of aerobic zone, and the vapor pipe of horizontal well outlet can be discharged unnecessary gas, and mud flow to settling tank from riser;
(10) settling tank with sludge settling to pond at the bottom of, remaining liquid flows out from the outlet conduit of settling tank;
(11) mud in the settling tank is returned first horizontal well place of anaerobic zone by sludge pump through the returned sluge pipeline of its bottom and is mixed with pressurized air.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110242317 CN102311171B (en) | 2011-08-23 | 2011-08-23 | Horizontal well sewage treatment plant and method thereof |
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|---|---|---|---|
| CN 201110242317 CN102311171B (en) | 2011-08-23 | 2011-08-23 | Horizontal well sewage treatment plant and method thereof |
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| CN102311171A true CN102311171A (en) | 2012-01-11 |
| CN102311171B CN102311171B (en) | 2013-02-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603066A (en) * | 2012-03-16 | 2012-07-25 | 桂林理工大学 | Deep well type A2O2 method for treating sewage and waste water |
| CN102745865A (en) * | 2012-07-16 | 2012-10-24 | 绍兴文理学院 | Deep well aeration sewage treatment method |
| CN103011498A (en) * | 2012-12-06 | 2013-04-03 | 桂林市环境保护科学研究所 | Method for slowing down pollution of rural town sewage in karst peak cluster canyon to landscape rivers |
| CN108101203A (en) * | 2017-12-21 | 2018-06-01 | 武汉森泰环保股份有限公司 | A kind of reaction precipitation integral deep water aeration tower and its treatment process |
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| JP2005131478A (en) * | 2003-10-29 | 2005-05-26 | Mitsubishi Heavy Ind Ltd | Apparatus and method for treating nitrogen-containing organic waste |
| JP2007136298A (en) * | 2005-11-16 | 2007-06-07 | Nippon Steel Corp | Removal method of nitrogen and phosphorus from sewage, and removal apparatus |
| CN201236162Y (en) * | 2008-04-09 | 2009-05-13 | 深圳市新水环境工程技术有限公司 | Nature active ecological treatment pool |
| CN101774735A (en) * | 2010-01-19 | 2010-07-14 | 谢小东 | Vertical baffling multifunctional sewage biological treatment system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004097856A (en) * | 2002-09-04 | 2004-04-02 | Masuda Shokai:Kk | Equipment and method for waste liquid treatment |
| JP2005131478A (en) * | 2003-10-29 | 2005-05-26 | Mitsubishi Heavy Ind Ltd | Apparatus and method for treating nitrogen-containing organic waste |
| JP2007136298A (en) * | 2005-11-16 | 2007-06-07 | Nippon Steel Corp | Removal method of nitrogen and phosphorus from sewage, and removal apparatus |
| CN201236162Y (en) * | 2008-04-09 | 2009-05-13 | 深圳市新水环境工程技术有限公司 | Nature active ecological treatment pool |
| CN101774735A (en) * | 2010-01-19 | 2010-07-14 | 谢小东 | Vertical baffling multifunctional sewage biological treatment system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603066A (en) * | 2012-03-16 | 2012-07-25 | 桂林理工大学 | Deep well type A2O2 method for treating sewage and waste water |
| CN102745865A (en) * | 2012-07-16 | 2012-10-24 | 绍兴文理学院 | Deep well aeration sewage treatment method |
| CN103011498A (en) * | 2012-12-06 | 2013-04-03 | 桂林市环境保护科学研究所 | Method for slowing down pollution of rural town sewage in karst peak cluster canyon to landscape rivers |
| CN108101203A (en) * | 2017-12-21 | 2018-06-01 | 武汉森泰环保股份有限公司 | A kind of reaction precipitation integral deep water aeration tower and its treatment process |
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| CN102311171B (en) | 2013-02-13 |
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