CN208561843U - A kind of black film methane-generating pit with stirring and spoil disposal slag function - Google Patents

A kind of black film methane-generating pit with stirring and spoil disposal slag function Download PDF

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Publication number
CN208561843U
CN208561843U CN201821042534.0U CN201821042534U CN208561843U CN 208561843 U CN208561843 U CN 208561843U CN 201821042534 U CN201821042534 U CN 201821042534U CN 208561843 U CN208561843 U CN 208561843U
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methane
generating pit
spoil disposal
circulation
water
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CN201821042534.0U
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万平
吴胜财
刘仕均
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Jiangxi Qi Lian Environmental Protection Technology Co Ltd
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Jiangxi Qi Lian Environmental Protection Technology Co Ltd
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Abstract

The utility model it is a kind of with stir and the black film methane-generating pit of spoil disposal slag function by inlet well, water inlet pipe, methane-generating pit, outlet pipe, water outlet circulation well, water outlet elevator pump, water circulating pump, sludge pump, recycle and spoil disposal supervisor, circulation be in charge of, loop branch pipe, spray head, circulation control valve, spoil disposal control valve and control valve group at.The utility model by recycling in methane-generating pit bottom design arrangement, be responsible for, circulation is in charge of, the pipe network of loop branch pipe and sprinkler composition by simultaneous spoil disposal, it takes water circulating pump and sludge pump is power source, lower tube net in methane-generating pit is set to have the function of water distribution, suction body refuse, to achieve the purpose that stirring and spoil disposal slag, waste water treatment efficiency is high in methane-generating pit, body refuse excludes unobstructed, it can be achieved that the permanent stable operation in livestock breeding wastewater of black film methane-generating pit.

Description

A kind of black film methane-generating pit with stirring and spoil disposal slag function
Technical field
The utility model relates to a kind of with the black film methane-generating pit for stirring simultaneous spoil disposal slag function, particularly belong to Wastewater Treatment Technology Art field.
Background technique
Currently, anaerobic fermentation unit generallys use black film methane-generating pit in livestock and poultry cultivation industry sewage processing links, it is a kind of The regular pool body using natural pool body or manually built is laid with the anaerobic fermentation pond that HDPE antiseepage film is formed, and is commonly called as black film biogas Pond, because its capacity is big, fermentation time is long, low cost, is used by most of breeding enterprises.However, black film methane-generating pit is because of bottom of pond Area is big, by pipeline single-point inflow and outflow, only relies on gravity type spoil disposal slag, is difficult to exclude bottom of pond body refuse thoroughly, and Waste water treatment efficiency is low, unstable, after usual black film methane-generating pit is run 1 to two years, will because the body refuse of precipitating is excessive cannot It operates normally.
In order to improve wastewater treatment efficiency, number of patent application has been the patent report of 201420237739.x a kind of novel one Body anaerobic ferment devices, but its design feature is still to take static fermentation in methane-generating pit, and the spoil disposal pipeline being arranged in pond is only capable of Play the role of local spoil disposal slag, gravity type spoil disposal slag mode is still easy to cause line clogging, is difficult fundamentally to solve great Rong Measure the problem of methane-generating pit spoil disposal slag difficulty.
The utility model existing black film methane-generating pit there are aiming at the problem that, design a kind of novel black film methane-generating pit, lead to Cross water outlet circulation well setting big flow water circulating pump, by biogas slurry by recycle and spoil disposal supervisor, circulation be in charge of, loop branch pipe and spray The pipe network of head composition, flows back into methane-generating pit bottom with spurting, plays the role of muddy water and be thoroughly mixed;And in spoil disposal slag process In, by sludge pump, and still by recycle and spoil disposal supervisor, circulation be in charge of, the pipe network of loop branch pipe and sprinkler composition, it can be achieved that Bottom of pond body refuse is integrally discharged, and exclusion body refuse effect is thorough, and waste water treatment efficiency is high, is solve current black film methane-generating pit sediment one The good means of kind.
Summary of the invention
The purpose of the utility model is to provide a kind of with the black film methane-generating pit for stirring simultaneous spoil disposal slag function, the black film Methane-generating pit by inlet well (1), water inlet pipe (2), methane-generating pit (3), outlet pipe (4), water outlet circulation well (5), water outlet elevator pump (6), Water circulating pump (7), sludge pump (8) recycle simultaneous spoil disposal supervisor (9), recycle and be in charge of (10), loop branch pipe (11), spray head (12), follow Ring control valve (13), spoil disposal control valve (14) and control valve (15) composition.
Inlet well (1) is arranged in the front end of methane-generating pit (3), water inlet pipe (2) position that inlet well (1) is connected with methane-generating pit (3) The 0.5-1.0 meters of depths below methane-generating pit (3) interior liquid level;Rear end setting water outlet circulation well (5) of methane-generating pit (3), is connected to methane-generating pit (3) it is located at 1.0 meters of depths of methane-generating pit (3) interior liquid level or less with the outlet pipe (4) of water outlet circulation well (5), is set in water outlet circulation well (5) There are water outlet elevator pump (6) and water circulating pump (7).
It recycles and spoil disposal supervisor (9) is connected at water outlet circulation well (5) in the one end of methane-generating pit (3) outside by threeway respectively Take over the water circulating pump (7) before road equipped with circulation control valve (13), the sludge pump (8) equipped with spoil disposal control valve (14) before pipeline.
It recycles and spoil disposal is responsible for (9) and passes through control valve (15) and four circulations point respectively in the other end of methane-generating pit (3) outside (10) connection is managed, and independently penetrates methane-generating pit (3) bottom;Four circulations are in charge of (10) again respectively by variable diameter and circulation branch (11) are managed to be connected;The outlet end of the loop branch pipe (11) connects spray head (12);Circulation be in charge of (10), loop branch pipe (11) away from Height from methane-generating pit (3) bottom is 0.3m.
The caliber of the loop branch pipe (11) is less than the caliber that circulation is in charge of (10).
Detailed description of the invention
Fig. 1 is the utility model black film methane-generating pit planar structure schematic diagram;
Fig. 2 is the utility model black film methane-generating pit water-in and water-out diagrammatic cross-section;
Fig. 3 is the utility model black film methane-generating pit circulation stirring pipeline diagrammatic cross-section;
In Fig. 1-Fig. 3: 1, inlet well;2, water inlet pipe;3, methane-generating pit;4, outlet pipe;5, it is discharged circulation well;6, water outlet is promoted Pump;7, water circulating pump;8, sludge pump;9, circulation supervisor;10, circulation is in charge of;11, loop branch pipe;12, spray head;13, loop control Valve;14, spoil disposal control valve;15, circulation is in charge of control valve.
The utility model has the beneficial effects that
The utility model by being in charge of in methane-generating pit bottom design arrangement circulation supervisor, circulation, loop branch pipe and sprinkler composition Pipe network, use water circulating pump and sludge pump for power source, make lower tube net in methane-generating pit that there is the work of water distribution, suction body refuse With to achieve the purpose that stirring and spoil disposal slag, waste water treatment efficiency is high in methane-generating pit, and body refuse excludes unobstructed, it can be achieved that black film Methane-generating pit permanent stable operation in livestock breeding wastewater.
Specific embodiment
Embodiment 1
The present embodiment black film biogas bottom of pond portion and side slope are laid with geotextiles and HDPE film carries out antiseepage, and top passes through HDPE film Counterdie and epiphragma are pressed and sealed on periphery by anchoring groove by lidstock.
As shown in Figure 1, Figure 2, Figure 3 shows, black film methane-generating pit is by inlet well (1), water inlet pipe (2), methane-generating pit (3), outlet pipe (4), circulation well (5) are discharged, water outlet elevator pump (6), water circulating pump (7), sludge pump (8), recycle simultaneous spoil disposal supervisor (9), circulation It is in charge of (10), loop branch pipe (11), spray head (12), circulation control valve (13), spoil disposal control valve (14) and control valve (15) composition.
Inlet well (1) is arranged in methane-generating pit (3) front end, is connected to by pre-buried PE water inlet pipe (2) with methane-generating pit (3), methane-generating pit (3) setting circulation in bottom is in charge of (10), loop branch pipe (11), and loop branch pipe (11) end is provided with spray head (12), as The cloth water out of Hydraulic Circulation stirring and the suction inlet of spoil disposal slag.Rear end setting water outlet circulation well (5) of methane-generating pit (3), water outlet Pipe (4) is connected to by pre-buried PE pipe with methane-generating pit (3), recycles and spoil disposal supervisor (9) is arranged on the outside of pond, pass through pre-buried PE water distribution Be in charge of in pond circulation be in charge of (10), loop branch pipe (11) be connected to, water outlet circulation well (5) in installation water circulating pump (7), be discharged Elevator pump (6) and water circulating pump (7), water circulating pump (7) outlet and sludge pump (8) import install respectively circulation control valve (13) and Spoil disposal control valve (14).
Black film methane-generating pit operational process is as follows:
Livestock and poultry cultivation sewage is by being introduced into the preliminary sediment of inlet well (1) after pretreatment after, pass through connection water inlet pipe (2) stream Enter in methane-generating pit (3), then flow into water outlet circulation well (5) by outlet pipe (4), water outlet is pumped into subsequent sewage by elevator pump (6) Treatment process.When circulation stirring, sludge pump (8) and its front end spoil disposal control butterfly valve (14) are closed, will be big by opening water pump (7) Part water outlet by circulation on the outside of pond and spoil disposal supervisor (9) and circulation is in charge of (10), and to be back to methane-generating pit (3) interior, passes through biogas The circulation of pond (3) bottom is in charge of (10), loop branch pipe (11) and spray head (12) injection water distribution and reaches what muddy water in stirring pool mixed Purpose;When spoil disposal, water pump (7) and its end loop control butterfly valve (13) are closed, and by opening sludge pump (8), are passed through methane-generating pit (3) The circulation of bottom is in charge of (10), loop branch pipe (11) and spray head (12) sucking bottom body refuse, achievees the purpose that spoil disposal slag.Spray head (12) flow velocity is 1.5-2.5m/s, and each spray head swept area is 9-25m2, circulation end branch tube spray head is also spoil disposal slag simultaneously Pipeline suction inlet.

Claims (2)

1. a kind of with the black film methane-generating pit for stirring simultaneous spoil disposal slag function, it is characterised in that: the black film methane-generating pit is by intaking Well (1), water inlet pipe (2), methane-generating pit (3), outlet pipe (4), water outlet circulation well (5), water outlet elevator pump (6), water circulating pump (7), Sludge pump (8) recycles simultaneous spoil disposal supervisor (9), recycles and be in charge of (10), loop branch pipe (11), spray head (12), circulation control valve (13), spoil disposal control valve (14) and control valve (15) composition;
Inlet well (1) is arranged in the front end of methane-generating pit (3), and the water inlet pipe (2) that inlet well (1) is connected with methane-generating pit (3) is located at natural pond 0.5-1.0 meters of depths below gas pond (3) interior liquid level;Methane-generating pit (3) rear end setting water outlet circulation well (5), connection methane-generating pit (3) with The outlet pipe (4) of water outlet circulation well (5) is located at 1.0 meters of depths of methane-generating pit (3) interior liquid level or less, is equipped in water outlet circulation well (5) Water elevator pump (6) and water circulating pump (7);
It recycles and spoil disposal is responsible for (9) and is separately connected pipe at water outlet circulation well (5) by threeway in the one end of methane-generating pit (3) outside The sludge pump (8) of spoil disposal control valve (14) is housed before the water circulating pump (7), pipeline before road equipped with circulation control valve (13);
It recycles and spoil disposal supervisor (9) passes through control valve (15) in the other end of methane-generating pit (3) outside respectively and is in charge of with four circulations (10) it connects, and independently penetrates methane-generating pit (3) bottom;Four circulations are in charge of (10) again respectively by variable diameter and loop branch pipe (11) it is connected;The outlet end of the loop branch pipe (11) connects spray head (12);Circulation is in charge of (10), loop branch pipe (11) distance The height at methane-generating pit (3) bottom is 0.3m.
2. according to claim 1 a kind of with the black film methane-generating pit for stirring simultaneous spoil disposal slag function, it is characterised in that: described The caliber of loop branch pipe (11) be less than circulation and be in charge of the caliber of (10).
CN201821042534.0U 2018-07-03 2018-07-03 A kind of black film methane-generating pit with stirring and spoil disposal slag function Active CN208561843U (en)

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CN201821042534.0U CN208561843U (en) 2018-07-03 2018-07-03 A kind of black film methane-generating pit with stirring and spoil disposal slag function

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110862208A (en) * 2019-11-29 2020-03-06 宁夏金宇浩兴农牧业股份有限公司 Circulating system and method for improving gas production rate of methane tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110862208A (en) * 2019-11-29 2020-03-06 宁夏金宇浩兴农牧业股份有限公司 Circulating system and method for improving gas production rate of methane tank

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