CN102311171B - Horizontal well sewage treatment plant and method thereof - Google Patents
Horizontal well sewage treatment plant and method thereof Download PDFInfo
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- CN102311171B CN102311171B CN 201110242317 CN201110242317A CN102311171B CN 102311171 B CN102311171 B CN 102311171B CN 201110242317 CN201110242317 CN 201110242317 CN 201110242317 A CN201110242317 A CN 201110242317A CN 102311171 B CN102311171 B CN 102311171B
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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 technique, dissolved air flotation technique and equipment thereof, specifically a kind of horizontal well waste disposal plant and method.
[background technology]
Aeration refers to airborne oxygen is forced the process that shifts in liquid, 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 microorganism and dissolved oxygen in the pond.Thereby in the assurance pond there be under the condition of sufficient dissolved oxygen microorganism, to organic oxygenolysis in the sewage.Water contacts with gas, carries out the process of dissolved oxygen or loose dewater middle dissolved gas and volatile matter.Its implementation has following three kinds: spray liquid (1) in air, the biological example filter tank; (2) air bubble is spread by liquid, for example blast aeration; (3) constantly update liquid level and impel air to shift to liquid phase at the interface, for example mechanical aeration.
Dissolved air flotation is to make the suspended substance bubbles attached and rise to the water surface, thus the water treatment method of Separation of Water and suspended substance.Also make in the water tensio-active agent be attached to the bubble surface come-up, thus with moisture from, be called the foam By Bubble-floating Method.The equipment that By Bubble-floating Method uses comprises the air flotation pool of finishing sepn process and the auxiliary facility that produces bubble.In the water treatment, By Bubble-floating Method can be used for the inapplicable occasion of the precipitator method, to separate proportion close to water and the suspended substance that is difficult to precipitate.
Domestic patent of invention CN101033100A discloses a kind of composite flow aeration biological filter treatment unit, this device is equipped with in the body of pond into water thrust-augmenting nozzle and compressed air pipe, its design is bottom entrance pressure contracting air, sewage enters from top to down along the water inlet thrust-augmenting nozzle, this design for 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]
Purpose of the present invention will solve the deficiencies in the prior art exactly, 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.
Design for achieving the above object 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 successively from left to right anaerobic zone, oxygen-starved area, aerobic zone, settling tank and reflux and consists of:
A, anaerobic zone: be arranged in order by several horizontal wells and form, horizontal well all adds well lid and is provided with import and outlet at well lid, extraneous sewer line passes in first the horizontal well of anaerobic zone, the mixed solution pipeline is inserted into the horizontal well bottom and is connected with diffuser tube from the import of leftmost side horizontal well, one end of diffuser tube is connected with the sewer line in the external world, the outlet of anaerobic zone horizontal well is equipped with sewer line, except 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 is provided with import and outlet at well lid, the connecting tube of last horizontal well of anaerobic zone outlet is inserted into the horizontal well bottom and is connected with diffuser tube from the import of first horizontal well of oxygen-starved area, the outlet of horizontal well is equipped with sewer line, except 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 is provided with import and outlet at well lid, 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, the outlet of horizontal well all connects sewer line, except 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 overflow port 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 comprised 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 carrying out the method that sewage aeration is processed take sewer line as reactor, and its concrete steps are as follows:
(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 by 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 by 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 overflow port;
(10) at the bottom of the pond, remaining liquid flows out from the outlet conduit of settling tank settling tank with sludge settling;
(11) mud in the settling tank is returned first horizontal well place of anaerobic zone by sludge pump by 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 oxygen transfer rate of traditional technology is generally about 15%, and technique of the present invention is because the pressurized air recycling in the horizontal well, improve the solubleness of oxygen, simultaneously by technical renovation, sewage is with greatly prolonging the duration of contact of air, so the rate of transform greatly improves, and compressed-air actuated utilization also is very ingenious, pressurized gas is in oxygenation, finished molten airway dysfunction, for activated sludge floatation separates, concentrated two steps once finish, the agitating function also finished has guaranteed fully mixing of mixed solution and raw waste water, has also finished at last the plug-flow function, guarantee that mixed solution carries out circulation and undercurrent by production engineering specifications, guarantee reaction times and the removal efficient of sewage in reactor.Therefore to be actually a gas multiplex for this technique: i.e. the plug-flow of oxygenation, mixed solution, stirring, mud-water separation, mud is concentrated and sludge reflux.Its energy-saving effect is that present any technique 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 enter sludge dewatering equipment and dewater; And the excess sludge solid content of traditional technology is 0.8%, just can carry out sludge dewatering after the supporting sludge thickener of needs or pre-concentration machine concentrate.
(3) stronger anti impulsion load ability: returned sluge is fully mixing with extraneous sewage, and the pollution factor of intaking is diluted rapidly in reactor, has 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 sludge reflux amount is suitable with conventional sewage treatment process, but technique of the present invention is because himself special construction and feature, take full advantage of HYDRODYNAMIC CONDITION RELATING TO, the water outlet gravity of technique of the present invention flows to the dissolved air flotation pond and realizes mud-water separation (need not dose any medicament), the sludge reflux of separating also can be realized 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 traditional technology.Be convenient to add a cover, minimum is down in vision and smell impact.
[description of drawings]
Fig. 1 is 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]
The present invention will be further described by reference to the accompanying drawings, and the manufacturing technology of this device is very clearly concerning this professional people.
Shown in accompanying drawing 1,2, 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 successively from left to right anaerobic zone, oxygen-starved area, aerobic zone, settling tank and reflux and consists of:
A, anaerobic zone: be arranged in order by several horizontal wells and form, horizontal well all adds well lid and is provided with import and outlet at well lid, extraneous sewer line passes in first the horizontal well of anaerobic zone, the mixed solution pipeline is inserted into the horizontal well bottom and is connected with diffuser tube from the import of leftmost side horizontal well, one end of diffuser tube is connected with the sewer line in the external world, the outlet of anaerobic zone horizontal well is equipped with sewer line, except 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 is provided with import and outlet at well lid, the connecting tube of last horizontal well of anaerobic zone outlet is inserted into the horizontal well bottom and is connected with diffuser tube from the import of first horizontal well of oxygen-starved area, the outlet of horizontal well is equipped with sewer line, except 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 is provided with import and outlet at well lid, 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, the outlet of horizontal well all connects sewer line, except 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 overflow port 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 comprised 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 as follows:
(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 by 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 by 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 overflow port;
(10) at the bottom of the pond, remaining liquid flows out from the outlet conduit of settling tank settling tank with sludge settling;
(11) mud in the settling tank is returned first horizontal well place of anaerobic zone by sludge pump by the returned sluge pipeline of its bottom and is mixed with pressurized air.
Claims (1)
1. a horizontal well sewage water treatment method is characterized in that carrying out the method that sewage aeration is processed take sewer line as reactor, and its concrete steps are as follows:
(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 by 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 by 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 deep-well of aerobic zone, and the vapor pipe of deep-well outlet can be discharged unnecessary gas, and mud flow to settling tank from overflow port;
(10) at the bottom of the pond, remaining liquid flows out from the outlet conduit of settling tank settling tank with sludge settling;
(11) mud in the settling tank is returned first horizontal well place of anaerobic zone by sludge pump by the returned sluge pipeline of its bottom and is mixed with pressurized air.
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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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| CN102603066B (en) * | 2012-03-16 | 2013-06-19 | 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 |
| CN108101203B (en) * | 2017-12-21 | 2021-03-19 | 武汉森泰环保股份有限公司 | Reaction-precipitation integrated deepwater aeration tower and treatment process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2004-97856A 2004.04.02 |
| JP特开2005-131478A 2005.05.26 |
| JP特开2007-136298A 2007.06.07 |
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