CN2908482Y - Waste water anaerobic treatment device - Google Patents
Waste water anaerobic treatment device Download PDFInfo
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- CN2908482Y CN2908482Y CNU2006201017496U CN200620101749U CN2908482Y CN 2908482 Y CN2908482 Y CN 2908482Y CN U2006201017496 U CNU2006201017496 U CN U2006201017496U CN 200620101749 U CN200620101749 U CN 200620101749U CN 2908482 Y CN2908482 Y CN 2908482Y
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- waste water
- treatment tank
- reaction zone
- water treatment
- gas holder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
A anaerobic treatment device of the wastewater includes a wastewater treatment tank, a cloth water pipe; the biological reaction area is composed of the sludge bed reaction area and the filter bed reaction area; the sludge bed reaction area includes a granular sludge layer of the acid fermentation, a granular sludge layer of the methane fermentation and a floating sludge layer; the filter bed reaction area is composed of the layer of the biological filler; the upper part of the biological reaction area is the gas separation area, that is, the deposition area; the wastewater treatment tank is provided with a framework; the top of the wastewater treatment tank is provided with an active gas chamber; the active gas chamber is in the gas separation area; the level of the gas separation area and the level of the liquid separation area are the same level with no internal and external pressure difference; the wall of the lower part of the wastewater treatment tank is provided with spiral mixing device. The utility model changes the pressure environment of the 0.8-m water column in the existing device; the wastewater can freely move upward and downward, inward and outward in the environment without the pressure; thus the utility model provides a good environment for the growth of the cultivate bacteria; the wastewater treatment effects are good; the processing cost is low.
Description
One, affiliated technical field
The utility model belongs to field of waste water treatment, refers in particular to a kind of anaerobic treatment equipment for wastewater.
Two, background technology
Now, improving constantly of living standards of the people, also more and more higher to the requirement that improves environmental quality.But at present domestic waste water (sanitary wastewater such as human and animal excreta and trade effluent) quantity discharged increases day by day, directly exhaust emission rivers and lakes.In the prior art, the waste water of handling high density adopts the anaerobic treatment method mostly at home, and the key link of anaerobic treatment method is to be added in the waste water of processing having active anaerobic grain sludge bacterial classification, carries out the inoculation and the breeding of bacterial classification.Active anaerobic grain sludge bacterium is the core of technology, and the active anaerobic grain sludge bacterium source that is added at present in the waste water of processing has two kinds.First kind is to cultivate voluntarily in waste water, relies in the waste water existing a small amount of bacterial classification to tame and cultivate, and cultivates into active anaerobic grain sludge bacterium gradually, and it is long that this method is cultivated time of bacterial classification, required facility bulky, and floor space is big, and investment is wasted; Second kind is to form active anaerobic grain sludge bacterium in the anaerobic treatment equipment for wastewater of operation now, and inoculates and breed.
Anaerobic treatment equipment for wastewater has anaerobic biofilter (AF) reactor at present, anaerobic grain sludge expanded bed (EGSB) reactor, upflow anaerobic sludge blanket process (UASB) reactor and composite anaerobic treatment unit (UBF).Water distributor is installed in the bottom of anaerobic biofilter in the pond, is provided with filler in the pond, as Chinese patent disclosed " mixed flow expanded bed anaerobic microorganism filter tank " (CN200420112056.8, CN2739172, day for announcing 2005.11.09).Anaerobic grain sludge expanded bed (EGSB) reactor, as Chinese patent disclosed " anaerobic grain sludge expanded bed " (CN03214419.9, CN2594262, day for announcing 2003.12.24), it becomes cylindric, the bottom of expanded bed is equipped with water distributor and return line, between water distributor and return line, be provided with the cloth pool, the middle part of expanded bed is equipped with the two separate cover, the top of expanded bed is equipped with three layers of separation hood, be provided with effluent weir above the superiors' separation hood, the top of expanded bed is provided with the biogas vent pipe, and the top outer of expanded bed is provided with water outlet.Upflow anaerobic sludge blanket process, can be divided into three parts on structure and function: first part is the plenum system of former water, is made up of former water transfer lime and the water distributor that current are evenly supplied with on the device section; Second section is a reaction zone, and the fixed bed district that is made of granule sludge and the suspended sludge area on its top constitute; Third part is the gas-liquid-solid three-phase disengaging zone, is made of triphase separator, is positioned at the top of device.As Chinese patent disclosed " upflow anaerobic sludge blanket reactor " (CN200320121543.6, CN2663408, day for announcing 2004.12.15).The composite anaerobic treatment unit then is to have increased an anaerobe filter bed district (AF) between the reaction zone of upflow anaerobic sludge blanket process and three-phase separation area.As the disclosed composite anaerobic biological effluent treatment of Chinese patent reactor (CN200320110409.6, CN2654598, day for announcing 2004.11.10).
The weak point of above anaerobic processing device is: the collection chamber on (1) device top is extremely to seal fixed, and the biogas that is produced is sent in the gas holder with pneumatic tube and deposits under the effect of collection chamber top pressure.People want to utilize biogas, can only deliver to the user with pipeline from gas holder, and this has not only increased the expense of building a gas holder in addition, has also increased floor space.More have shortcoming be those anaerobic processing devices be always interior have the design 0.8 meter water column pressure environment under spend, very unfavorable to the biological fermentation bacterial classification of inside, increase burden unconsciously.(2) the most of stirring when all leaning on charging of traditional popular carried out with the water distributor upwelling, has the dead angle of different zones significantly.(3) owing to active anaerobic grain sludge bacterium domestication incubation period under the normal temperature is long, cause the initial start time long; In order to shorten the initial start time, must add a large amount of active anaerobic grain sludge bacterial classifications or improve temperature in the pond, as Chinese patent disclosed " method of anaerobic reation pool and processing waste water " (ZL971170924, CN1072613C, the October 10 calendar year 2001 day for announcing), temperature is 34 ℃-39 ℃ in the pond, has increased working cost.
Three, utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, a kind of anaerobic treatment equipment for wastewater and method are provided, it has improved the COD volumetric loading, remove organic broad spectrum, biogas output capacity and waste water COD clearance, handle profitable, raw material range is wide, floor space is few, and initial cost is economized, and has reduced working cost.
For achieving the above object, the solution that the utility model is taked is: a kind of anaerobic treatment equipment for wastewater, it comprises waste water treatment tank, water distributor, water distributor be positioned at the bottommost of waste water treatment tank and bio-reaction zone below, bio-reaction zone is positioned at the bottom of waste water treatment tank, bio-reaction zone is made of Sludge Bed reaction zone and filter bed reaction zone two portions, the Sludge Bed reaction zone is below the filter bed reaction zone, the Sludge Bed reaction zone comprises two intensive granule sludge layers, it is acid-fermentation granule sludge layer, methane fermentation granule sludge layer and the sludge blanket that swims that contains flco shape mud and the strong mud of particle constitute, the filter bed reaction zone is made of the biologic packing material layer, it is the filter bed reaction zone from the top down successively that the bio-reaction zone each several part is formed with putting in order, sludge blanket swims, methane fermentation granule sludge layer and acid-fermentation granule sludge layer, bio-reaction zone top in the waste water treatment tank and what be bordered with it is that the gas delivery district is the settling region, the framework that is provided for supporting biologic packing material in the waste water treatment tank has formed circle in the waste water treatment tank, at the top of waste water treatment tank movable gas holder is set, movable gas holder is in the gas delivery district, the gas delivery district water surface and the liquid displacement zone water surface are at the same water surface, there is not inside and outside differential pressure, its underpart and waste water treatment tank inwall gap constituted the return flow line when movable gas holder rose, and its underpart and waste water treatment tank inwall gap constituted liquid-solid two-phase flow decline passway when movable gas holder descended; On water distributor, in acid-fermentation granule sludge layer, spiral whipping appts is installed on the lower part wall of waste water treatment tank.
This kind anaerobic treatment equipment for wastewater, when waste water flows through bio-reaction zone, organism wherein is converted into methane and carbon dioxide, formation comprises the gas, liquid, solid three-phase fluid of bubble and suspended sludge, pass through the interception mud of filter bed reaction zone and separating of gas disengaging zone again, the gas that rises is in the movable gas holder at top, movable gas holder moves up under the gas that makes progress promotes, it moves down again when user's usefulness gas, ceaselessly movable up and down like this, played the effect of triphase separator.Waste water is isolating under the situation of no pressure and normal temperature (2 ℃-20 ℃), and current are discharged from water sealed tank, and circulation again in the bio-reaction zone is then held back and be back to mud effectively.Because movable gas holder does not have sealing weld extremely on waste water treatment tank, it has changed the environment of existing apparatus 0.8 meter water column pressure, makes that waste water freely moves up and down under stress-free environment, inside and outside flowing, and gives to cultivate bacterial classification and caused a good growing environment.
It has improved the COD volumetric loading, remove organic broad spectrum, biogas output capacity and waste water COD clearance, handles profitablely, and raw material range is wide, and floor space is few, and initial cost is economized, and has reduced working cost.
Four, description of drawings
Fig. 1 is the section structure synoptic diagram of present embodiment.
Among the figure: 1, waste water treatment tank, 2, the Sludge Bed reaction zone, 3, the mud traverse baffle, 4, the settling region, 10, water distributor, 11, acid-fermentation granule sludge layer, 12, methane fermentation granule sludge layer, 13, the sludge blanket that swims, 14, the filter bed reaction zone, 15, the return flow line, 16, the liquid displacement zone water surface, 17, water sealed tank, 18, the gas delivery district, 19, liquid-solid two-phase flow decline passway, 20, framework, 21, the biologic packing material layer, 22, biogas pipeline, 23, the gas holder guide wheel, 24, track, 25, movable gas holder, 27, balancing weight, 28, biogas overflows pipeline, and 29, spiral whipping appts, 30, thermal insulation layer.
Five, embodiment
Below in conjunction with embodiment and accompanying drawing thereof the positively effect of the utility model and generation thereof is remake description.
Referring to Fig. 1, a kind of anaerobic treatment equipment for wastewater, it comprises waste water treatment tank 1, water distributor 10, water distributor 10 be positioned at the bottommost of waste water treatment tank 1 and bio-reaction zone below, bio-reaction zone is positioned at the bottom of waste water treatment tank 1, bio-reaction zone is made of Sludge Bed reaction zone 2 and filter bed reaction zone 14 two portions, Sludge Bed reaction zone 2 is below filter bed reaction zone 14, Sludge Bed reaction zone 2 comprises two intensive granule sludge layers, it is acid-fermentation granule sludge layer 11, methane fermentation granule sludge layer 12 and the sludge blanket 13 that swims that contains flco shape mud and the strong mud of particle constitute, filter bed reaction zone 14 is made of biologic packing material layer 21, it is filter bed reaction zone 14 from the top down successively that the bio-reaction zone each several part is formed with putting in order, sludge blanket 13 swims, methane fermentation granule sludge layer 12 and acid-fermentation granule sludge layer 11, bio-reaction zone top in the waste water treatment tank 1 and what be bordered with it is that gas delivery district 18 is settling region 18, the framework 20 that is provided for supporting biologic packing material in the waste water treatment tank 1 has formed circle in the waste water treatment tank 1, movable gas holder 25 is set at the top of waste water treatment tank 1, movable gas holder 25 is in gas delivery district 18, gas delivery district 18 waters surface and the liquid displacement zone water surface 16 are at the same water surface, there is not inside and outside differential pressure, its underpart and waste water treatment tank 1 inwall gap constituted return flow line 15 when movable gas holder 25 rose, and its underpart and waste water treatment tank 1 inwall gap constituted liquid-solid two-phase flow decline passway 19 when movable gas holder 25 descended; On water distributor 10, in acid-fermentation granule sludge layer 11, spiral whipping appts 29 is installed on the lower part wall of waste water treatment tank 1.Spiral whipping appts 29 adopts computer to control automatically, comprehensive stirring all is stirred all blind sectors, has not only avoided the mud in the bio-reaction zone excessively to put aside, the mediation effect is played in the obstruction of biologic packing material layer 21, but also impelled mud to pass filter bed reaction zone 14 or decline.
Referring to Fig. 1, liquid-solid two-phase flow decline passway 19 times, on the inwall of the middle part of waste water treatment tank 1, mud traverse baffle 3 is installed, be convenient to liquid-solid under action of gravity, decline automatically and return the sludge blanket 13 that swims through liquid-solid two-phase flow decline passway 19.Movable gas holder 25 is installed on the track 24 by gas holder guide wheel 23.Movable gas holder 25 disposes balancing weight 27 up and down.Waste water treatment tank 1 and movable gas holder 25 are steel plate structure, and waste water treatment tank 1 and movable gas holder 25 inner-wall sprayings are useful on rot-resistant glass reinforced plastic, improve device work-ing life.Waste water treatment tank 1 outer wall increases thermal insulation layer 30, guarantees that the temperature remains within the normal range (2 ℃-20 ℃) in the device.Biogas pipeline 22 is set in the waste water treatment tank 1, and biogas pipeline 22 is suitable for reading on gas delivery district 18 waters surface, and the air outlet is in waste water treatment tank 1 bottom, and biogas pipeline 22 leads to the user.In the movable gas holder 25 biogas is set and overflows pipeline 28, biogas overflows pipeline 28 end openings on gas delivery district 18 waters surface, and spillway is at movable gas holder 25 tops, biogas is set overflows pipeline 28 and guarantee the device safe handling.1 meter of biologic packing material layer 21 thickness, fill with a line or two wires rotate up always formula be rolled into central hollow, easy to be filmed, easily demoulding, the spandex fiber filler that is in operation and is difficult for short circuit and obstruction, biologic packing material layer 21 voidage improve waste water treatment efficiency more than 93%.
Referring to Fig. 1, wastewater treatment concrete operations step is: water distributor 10 adopts computer intermittently to advance Yuan Shui in 24 hours, stop stopping 30 minutes according to the former water yield, started 1-5 minute, spiral whipping appts 29 adopts computer to control automatically, comprehensive stirring, according to stirring 1-4 time different selected every days in season, each 30 minutes, former water forms uniform ascending current through water distributor 10 on the transverse section of device, the organism that is contained in the current is at first in acid-fermentation granule sludge layer 11, hydrolysis and acid-producing bacteria by the granule sludge that forms in this layer are decomposed into voltaile fatty acid and carbonic acid gas, voltaile fatty acid is again in methane fermentation granule sludge layer 12, further be formed the granule sludge methanogen and be decomposed into methane and carbonic acid gas, methane that is produced and carbon dioxide form a large amount of micro-bubbles, these bubbles are mixed in the current of rising, pass filter bed reaction zone 14 with some together because of the flco shape mud or the particulate state mud that have adhered to bubble or floated by the drag force of current, part mud is held back by biologic packing material layer 21, simultaneously not at the Sludge Bed reaction zone 2 thorough organism of removing, also be grown in the microbiological deterioration in the microbial film of filling surface, further removed; After passing the gas-liquid-solid three-phase mixed solution inflow gas disengaging zone 18 of filter bed reaction zone 14, because the oscilaltion effect of movable gas holder 25, the very fast evolving gas of gas disengaging zone 18 enters movable gas holder 25, give follow-up biogas utilization facility by biogas pipeline 22, remaining liquid-solid mixture descends automatically and returns bio-reaction zone by return flow line 15 or liquid-solid two-phase flow decline passway 19, forms cycling stream in this zone; The most of liquid-solid mixture of circle returns the sludge blanket 13 that swims from filter bed reaction zone 14 in device, the liquid-solid mixture that this zone is returned with the device cylindrical converges the back and forms cycling stream in partnership, because former water intermittently adds cycling stream, naturally a part comes in contact throwing out with the sludge blanket 13 that swims and is retained down, current then pass this zone through overflow weir and water sealed tank 17 dischargers, and current do not circulate.
Claims (8)
1, a kind of anaerobic treatment equipment for wastewater, it comprises waste water treatment tank (1), water distributor (10), water distributor (10) be positioned at the bottommost of waste water treatment tank (1) and bio-reaction zone below, bio-reaction zone is positioned at the bottom of waste water treatment tank (1), bio-reaction zone is made of Sludge Bed reaction zone (2) and filter bed reaction zone (14) two portions, Sludge Bed reaction zone (2) is below filter bed reaction zone (14), Sludge Bed reaction zone (2) comprises two intensive granule sludge layers, it is acid-fermentation granule sludge layer (11), methane fermentation granule sludge layer (12) and the sludge blanket that swims (13) that contains flco shape mud and particulate state mud constitute, filter bed reaction zone (14) is made of biologic packing material layer (21), it is filter bed reaction zone (14) from the top down successively that the bio-reaction zone each several part is formed with putting in order, sludge blanket (13) swims, methane fermentation granule sludge layer (12) and acid-fermentation granule sludge layer (11), bio-reaction zone top in the waste water treatment tank (1) and what be bordered with it is that gas delivery district (18) is settling region (18), the framework (20) that is provided for supporting biologic packing material in the waste water treatment tank (1) has formed circle in the waste water treatment tank (1), it is characterized in that: movable gas holder (25) is set at the top of waste water treatment tank (1), movable gas holder (25) is on gas delivery district (18), gas delivery district (18) water surface and the liquid displacement zone water surface (16) are at the same water surface, there is not inside and outside differential pressure, its underpart and waste water treatment tank (1) inwall gap constituted return flow line (15) when movable gas holder (25) rose, and its underpart and waste water treatment tank (1) inwall gap constituted liquid-solid two-phase flow decline passway (19) when movable gas holder (25) descended; On water distributor (10), in acid-fermentation granule sludge layer (11), spiral whipping appts (29) is installed on the lower part wall of waste water treatment tank (1).
2, anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: under liquid-solid two-phase flow decline passway (19), mud traverse baffle (3) is installed on the middle part inwall of waste water treatment tank (1)
3, anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: movable gas holder (25) is installed on the track (24) by gas holder guide wheel (23).
4, anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: movable gas holder (25) disposes balancing weight (27) up and down.
5, anaerobic treatment equipment for wastewater according to claim 1, it is characterized in that: waste water treatment tank (1) and movable gas holder (25) are steel plate structure, waste water treatment tank (1) and movable gas holder (25) inner-wall spraying are useful on rot-resistant glass reinforced plastic, and waste water treatment tank (1) outer wall increases thermal insulation layer (30).
6, anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: biogas pipeline (22) is set in the waste water treatment tank (1), and biogas pipeline (22) is suitable for reading on gas delivery district (18) water surface, and the air outlet is in waste water treatment tank (1) bottom.
7, anaerobic treatment equipment for wastewater according to claim 1, it is characterized in that: biogas is set in the movable gas holder (25) overflows pipeline (28), biogas overflows pipeline (28) end opening on gas delivery district (18) water surface, and spillway is at movable gas holder (25) top.
8, anaerobic treatment equipment for wastewater according to claim 1, it is characterized in that: 1 meter of biologic packing material layer (21) thickness, fill with a line or two wires rotate up always formula be rolled into central hollow, easy to be filmed, easily demoulding, the spandex fiber filler that is in operation and is difficult for short circuit and obstruction, biologic packing material layer (21) voidage is more than 93%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201017496U CN2908482Y (en) | 2006-03-12 | 2006-03-12 | Waste water anaerobic treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201017496U CN2908482Y (en) | 2006-03-12 | 2006-03-12 | Waste water anaerobic treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2908482Y true CN2908482Y (en) | 2007-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2006201017496U Expired - Fee Related CN2908482Y (en) | 2006-03-12 | 2006-03-12 | Waste water anaerobic treatment device |
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| CN (1) | CN2908482Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383240A (en) * | 2018-03-23 | 2018-08-10 | 威士邦（厦门）环境科技有限公司 | A kind of black and odorous water purifier of solar energy co-immobilization microorganism |
-
2006
- 2006-03-12 CN CNU2006201017496U patent/CN2908482Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383240A (en) * | 2018-03-23 | 2018-08-10 | 威士邦（厦门）环境科技有限公司 | A kind of black and odorous water purifier of solar energy co-immobilization microorganism |
| CN108383240B (en) * | 2018-03-23 | 2024-02-20 | 威士邦（厦门）环境科技有限公司 | Solar energy coupling immobilized microorganism's black and odorous water purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070606 Termination date: 20120312 |