CN201027183Y - Buried anaerobic waster processing device - Google Patents
Buried anaerobic waster processing device Download PDFInfo
- Publication number
- CN201027183Y CN201027183Y CNU2007201074900U CN200720107490U CN201027183Y CN 201027183 Y CN201027183 Y CN 201027183Y CN U2007201074900 U CNU2007201074900 U CN U2007201074900U CN 200720107490 U CN200720107490 U CN 200720107490U CN 201027183 Y CN201027183 Y CN 201027183Y
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- Prior art keywords
- reaction zone
- purification tank
- liquid waste
- gas holder
- bed reaction
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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
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
A buried anaerobic treatment device for wastewater comprises a wastewater treatment pool and a stirring device. The biological reaction region consists of a sludge bed reaction region and a filter bed reaction region. The sludge bed reaction region consists of an acid-fermented particulate sludge layer, a methane-fermented particulate sludge layer and a suspended sludge layer. The filter bed reaction region consists of a biofiller layer. A gas separation region, i.e., precipitation region, is provided at the top of the biological reaction region in the wastewater treatment pool. A frame is provided in the wastewater treatment pool. A movable gas cabinet is provided at the top of the wastewater treatment pool. The movable gas cabinet is in the gas separation region. The water surface of the gas separation region and the water surface of a liquid separation region are at the same level without an inner or outer pressure difference. A siphonage pipe is located at the outer side of the wastewater treatment pool. The siphonage pipe is coiled in U shape at the central bottom of the wastewater treatment pool, with the inlet in the acidification pool and the outlet below the biological reaction region. The buried anaerobic treatment device for wastewater of the utility model can keep a constant temperature all the year, can resist typhoon, and has lowered production and running cost, thus can provide a better growth environment for culture strains.
Description
Technical field:
The utility model belongs to field of waste water treatment, and referring in particular to is a kind of anaerobic treatment equipment for wastewater.
Background technology:
The applicant had once invented a kind of anaerobic treatment equipment for wastewater (" anaerobic treatment equipment for wastewater and method reach propagating active granular bacteria strain method at normal temperatures ", application number: 2006100498703, CN1821123, the day for announcing: August 23 in 2006), 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 is an acid-fermentation granule sludge layer by two intensive granule sludge layers, 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, it is characterized in that: movable gas holder is set at the top of waste water treatment tank, 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.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.But it also exist following in part: the one because waste water treatment tank is on the ground, want that the temperature remains within the normal range throughout the year (2 ℃-20 ℃), must take the heat-insulation and heat-preservation measure, increased manufacturing cost; The 2nd, water distributor is positioned at the bottommost of waste water treatment tank, must certain energy consumption be arranged during operation by water pump, and the 3rd, device is whole to be on the ground, coastal many typhoons, device will improve the ability of combating typhoon, and increases manufacturing cost.
The utility model content:
The purpose of this utility model is to overcome the prior art above shortcomings, a kind of ground buried type anaerobic treatment equipment for wastewater is provided, the advantage that it not only has above-mentioned technology and is had, and manufacturing cost and running cost have further been reduced, cause a more good growing environment for the cultivation bacterial classification, more be applicable to the coastland.
For achieving the above object, the solution that the utility model is taked is: a kind of ground buried type anaerobic treatment equipment for wastewater, it comprises purification tank for liquid waste and whipping appts, bio-reaction zone is positioned at the bottom of purification tank for liquid waste, 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 is made of two intensive granule sludge layers and the sludge blanket that swims that contains flco shape mud and the strong mud of particle, two intensive granule sludge layers are exactly acid-fermentation granule sludge layer and methane fermentation granule sludge layer, 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 purification tank for liquid waste 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 purification tank for liquid waste has formed circle in the purification tank for liquid waste, at the top of purification tank for liquid waste 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 purification tank for liquid waste inwall gap constituted the return flow line when movable gas holder rose, its underpart and purification tank for liquid waste inwall gap constituted liquid-solid two-phase flow decline passway when movable gas holder descended, siphon piping is positioned at the purification tank for liquid waste outside, its import is in the acidification pool, siphon piping is the U type around in the middle of the purification tank for liquid waste bottom, and it exports below bio-reaction zone.
Because purification tank for liquid waste is built underground (being equivalent to waste water treatment tank is embedded in underground) in, therefore need not to take the heat-insulation and heat-preservation measure, throughout the year can the temperature remains within the normal range (2 ℃-20 ℃, even can accomplish 15 ℃-20 ℃), the ability of combating typhoon is strong, has reduced manufacturing cost, more is applicable to the coastland, and caused a more good growing environment for the cultivation bacterial classification, methane gas producing rate and waste gas COD clearance further improve; Because siphon piping replaces water distributor to be positioned at the bottommost of purification tank for liquid waste, the water reuse pressure reduction siphon in the acidification pool flows automatically to the bottommost of purification tank for liquid waste, need not to use water pump, has reduced running cost.
Description of drawings:
Fig. 1 is the structural representation of present embodiment.
Among the figure: 1; purification tank for liquid waste, 2; the Sludge Bed reaction zone, 3; the mud traverse baffle; 4; the settling region, 10; siphon piping, 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; 29; whipping appts, 30; discharging pump, 31; protective guard; 32; acidification pool, 33; settling tank.
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 ground buried type anaerobic treatment equipment for wastewater, it comprises purification tank for liquid waste 1 and whipping appts 29, bio-reaction zone is positioned at the bottom of purification tank for liquid waste 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 is made of two intensive granule sludge layers and the sludge blanket 13 that swims that contains flco shape mud and the strong mud of particle, two intensive granule sludge layers are exactly acid-fermentation granule sludge layer 11 and methane fermentation granule sludge layer 12, 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 purification tank for liquid waste 1 and what be bordered with it is that gas delivery district 18 is settling region 4, the framework 20 that is provided for supporting biologic packing material in the purification tank for liquid waste 1 has formed circle in the purification tank for liquid waste 1, movable gas holder 25 is set at the top of purification tank for liquid waste 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 purification tank for liquid waste 1 inwall gap constituted return flow line 15 when movable gas holder 25 rose, its underpart and purification tank for liquid waste 1 inwall gap constituted liquid-solid two-phase flow decline passway 19 when movable gas holder 25 descended, siphon piping 10 is positioned at purification tank for liquid waste 1 outside, its import is in the acidification pool 32, siphon piping 10 is the U type around in the middle of purification tank for liquid waste 1 bottom, and it exports below bio-reaction zone.
Referring to Fig. 1, the central section that whipping appts 29 is installed siphon piping 10, the stirring-head of whipping appts 29 is positioned at acid-fermentation granule sludge layer 11.Whipping appts 10 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, on the middle part inwall of purification tank for liquid waste 1 mud traverse baffle 3 is installed, mud traverse baffle 3 is liquid-solid two-phase flow decline passway 19 times.This measure is convenient to liquid-solid automatically decline and is returned the sludge blanket 13 that swims through liquid-solid two-phase flow decline passway 19 under action of gravity.
Referring to Fig. 1, movable gas holder 25 is installed on the track 24 by gas holder guide wheel 23, and movable gas holder 25 disposes balancing weight 27 up and down.
Referring to Fig. 1, purification tank for liquid waste 1 is a skeleton construction, and movable gas holder 25 is a steel plate structure, and purification tank for liquid waste 1 and movable gas holder 25 inner-wall sprayings are useful on rot-resistant glass reinforced plastic, improves device work-ing life.
Referring to Fig. 1, the movable gas holder 25 outer protective guards 31 that are provided with above ground level improve device work-ing life.Protective guard 31 materials are Colour light plate.
Referring to Fig. 1, the external concertina type biogas pipeline 22 in movable gas holder 25 tops.
Referring to Fig. 1, 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.
Referring to Fig. 1,1 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, the bottom angled of purification tank for liquid waste 1 is provided with discharge port outside the pond, and discharging pump 30 is installed in the discharge port.Bottom angled is easy to discharging.
Referring to Fig. 1, wastewater treatment concrete operations step of the present invention is: former water flows automatically to the bottom of device from acidification pool 32 (waste water of acidification pool comes from pig farm etc.) through siphon piping 10, under the stirring of whipping appts 29, on the transverse section of device, form uniform ascending current, 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 constantly 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 the settling tank 33 outside the pond, current do not circulate.
Claims (9)
1. ground buried type anaerobic treatment equipment for wastewater, it comprises purification tank for liquid waste (1) and whipping appts (29), bio-reaction zone is positioned at the bottom of purification tank for liquid waste (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) is made of two intensive granule sludge layers and the sludge blanket that swims (13) that contains flco shape mud and the strong mud of particle, two intensive granule sludge layers are exactly acid-fermentation granule sludge layer (11) and methane fermentation granule sludge layer (12), 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 purification tank for liquid waste (1) and what be bordered with it is that gas delivery district (18) is settling region (4), the framework (20) that is provided for supporting biologic packing material in the purification tank for liquid waste (1) has formed circle in the purification tank for liquid waste (1), at the top of purification tank for liquid waste (1) movable gas holder (25) is set, 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 purification tank for liquid waste (1) inwall gap constituted return flow line (15) when movable gas holder (25) rose, its underpart and purification tank for liquid waste (1) inwall gap constituted liquid-solid two-phase flow decline passway (19) when movable gas holder (25) descended, it is characterized in that: siphon piping (10) is positioned at purification tank for liquid waste (1) outside, its import is in the acidification pool (32), siphon piping (10) is the U type around in the middle of purification tank for liquid waste (1) bottom, and it exports below bio-reaction zone.
2. ground buried type anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: described whipping appts (29) is installed the central section of siphon piping (10), and the stirring-head of whipping appts (29) is positioned at acid-fermentation granule sludge layer (11).
3. ground buried type anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: mud traverse baffle (3) is installed on the middle part inwall of described purification tank for liquid waste (1), and mud traverse baffle (3) is under liquid-solid two-phase flow decline passway (19).
4. ground buried type anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: described movable gas holder (25) is installed on the track (24) by gas holder guide wheel (23), and movable gas holder (25) disposes balancing weight (27) up and down.
5. ground buried type anaerobic treatment equipment for wastewater according to claim 1, it is characterized in that: described purification tank for liquid waste (1) is a skeleton construction, described movable gas holder (25) is a steel plate structure, and purification tank for liquid waste (1) and movable gas holder (25) inner-wall spraying are useful on rot-resistant glass reinforced plastic.
6. ground buried type anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: described movable gas holder (25) the outer protective guard (31) that is provided with above ground level.
7. ground buried type anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: the external concertina type biogas pipeline in described movable gas holder (25) top (22).
8. ground buried type anaerobic treatment equipment for wastewater according to claim 1, it is characterized in that: biogas is set in the described 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.
9. ground buried type anaerobic treatment equipment for wastewater according to claim 1 is characterized in that: the bottom angled of described purification tank for liquid waste 1 is provided with discharge port outside the pond, and discharging pump (30) is installed in the discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201074900U CN201027183Y (en) | 2007-03-24 | 2007-03-24 | Buried anaerobic waster processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201074900U CN201027183Y (en) | 2007-03-24 | 2007-03-24 | Buried anaerobic waster processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201027183Y true CN201027183Y (en) | 2008-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201074900U Expired - Fee Related CN201027183Y (en) | 2007-03-24 | 2007-03-24 | Buried anaerobic waster processing device |
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| CN (1) | CN201027183Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986452A (en) * | 2017-06-09 | 2017-07-28 | 强胜精密机械(苏州)有限公司 | A kind of parts clean the regulation anaerobism integrated pond of waste water |
| CN108862575A (en) * | 2018-07-13 | 2018-11-23 | 河南科技大学 | A kind of regular water distribution system of unpowered sewage anaerobic digestion |
| CN111909844A (en) * | 2020-09-03 | 2020-11-10 | 安徽理工大学 | Waste mine biogas fermentation fertilizer making system and use method thereof |
-
2007
- 2007-03-24 CN CNU2007201074900U patent/CN201027183Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986452A (en) * | 2017-06-09 | 2017-07-28 | 强胜精密机械(苏州)有限公司 | A kind of parts clean the regulation anaerobism integrated pond of waste water |
| CN108862575A (en) * | 2018-07-13 | 2018-11-23 | 河南科技大学 | A kind of regular water distribution system of unpowered sewage anaerobic digestion |
| CN108862575B (en) * | 2018-07-13 | 2021-05-04 | 河南科技大学 | Unpowered sewage anaerobic digestion regular water distribution system |
| CN111909844A (en) * | 2020-09-03 | 2020-11-10 | 安徽理工大学 | Waste mine biogas fermentation fertilizer making system and use method thereof |
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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: 20080227 Termination date: 20120324 |