CN108328883A - A kind of low energy consumption sewage treatment process and device based on carbon source recycling - Google Patents

A kind of low energy consumption sewage treatment process and device based on carbon source recycling Download PDF

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Publication number
CN108328883A
CN108328883A CN201810341778.7A CN201810341778A CN108328883A CN 108328883 A CN108328883 A CN 108328883A CN 201810341778 A CN201810341778 A CN 201810341778A CN 108328883 A CN108328883 A CN 108328883A
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CN
China
Prior art keywords
sewage
level
mixing pit
air accumulator
carbon source
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Application number
CN201810341778.7A
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Chinese (zh)
Inventor
胡杰
魏国锦
陈凯
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Individual
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Individual
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Priority to CN201810341778.7A priority Critical patent/CN108328883A/en
Publication of CN108328883A publication Critical patent/CN108328883A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/28CH4
    • C02F2209/285CH4 in the gas phase
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/42Liquid level
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes

Abstract

The invention discloses a kind of low energy consumption sewage treatment process and device based on carbon source recycling, specific sewage treatment process is:Sewage is entered by water inlet pipe in mixing pit after opening inlet valve, sundries in primary filter filter sewage, liquid level detector detects the capacity of sewage in mixing pit, after the capacity of sewage reaches setting height, inlet valve is closed, cleaner, which starts, drives scraper plate to scrape the sundries in primary filter in sludge tank, then a certain amount of coagulant is added into mixing pit by quantitative dosing case, blender, which starts, drives propeller rotation, stir 5min 10min, so that coagulant is thoroughly mixed with sewage, coagulant makes graininess and the flocculation of colloidal organic efficient in sewage, tapping valve is opened so that sewage enters aeration tank by circulating line after the completion of stirring, circulating pump drives the sewage in aeration tank to roll up and down.Advantageous effect is:It can be re-used to recycling carbon source in wastewater treatment process, energy saving, environmental protection.

Description

A kind of low energy consumption sewage treatment process and device based on carbon source recycling
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of low energy consumption sewage disposal based on carbon source recycling Technique and device.
Background technology
Sewage disposal refers to that the water quality requirement for draining a certain water body to make sewage reach or reusing purifies it Process.Sewage disposal is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc. Every field also comes into the daily life of common people more and more.In Industry Wastes such as sanitary sewage, food processing and papermaking In water, contain the organic substances such as carbohydrate, protein, grease, lignin.These substances with suspend or dissolved state exist In sewage, it can be decomposed by the biological chemistry action of microorganism.For the sewage containing large amount of organic, in the mistake of processing It needs to decompose the organic matter in sewage using aerobic bacteria and anaerobic bacteria in journey, will produce natural pond during decomposition Gas, biogas, which belongs to, can utilize the renewable sources of energy, rationally can reduce energy loss using biogas, for alleviating current shortage of resources It is extremely important.But many sewage treatment plants, in treated sewage, the biogas of generation can be directly discharged in air, can not only be made At environmental pollution, causing some areas, there are a large amount of flammable explosive gas, dangerous high, and cause energy waste.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of low energy consumption sewage recycled based on carbon source Treatment process and device.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of low energy consumption sewage treatment process based on carbon source recycling, specific sewage treatment process are:Open inlet valve Sewage is entered by water inlet pipe in mixing pit afterwards, the sundries in primary filter filter sewage, and liquid level detector detects dirty in mixing pit The capacity of water, after the capacity of sewage reaches setting height, inlet valve is closed, and cleaner, which starts, drives scraper plate will be miscellaneous in primary filter Object scrapes in sludge tank, and a certain amount of coagulant is then added into mixing pit by quantitative dosing case, and blender starts band Dynamic propeller rotation, stirs 5min-10min so that coagulant is thoroughly mixed with sewage, and coagulant makes graininess in sewage And the flocculation of colloidal organic efficient, tapping valve, which is opened, after the completion of stirring makes sewage enter aeration tank by circulating line, follows Ring pump drives the sewage in aeration tank to roll up and down, makes sewage and gravel swirling motion, to make grit impact friction go desanding The organic matter on gravel surface reduces the subsequent processing difficulty of sand setting, and the sewage after aeration is transported to level-one by sludge pump and sinks Shallow lake pond removes the silt in sewage after precipitation, is then lifted out pump and sewage is sent into filtering ponds, by multistage filtering net pair Sewage carries out secondary filter, and filtered sewage enters in the fermentation vat of sealing, decomposing organic matter under the action of anaerobic bacteria Biogas is generated, biogas concentration monitoring device monitors the biogas concentration in fermentation vat, single when biogas concentration is more than the peak of setting It is opened to valve, biogas is entered by exhaust pipe in level-one air accumulator, the water carried in gas-water separation net separation biogas Vapour, flows into second-level settling pond after condensation vapor by return duct, and the biogas in level-one air accumulator is pumped into two level gas storage by booster pump In tank, pressure monitor detects the pressure size inside two level air accumulator, avoids exceeding specified pressure store and causes danger, and ferments Sewage in pond is after fermentation after a period of time, and the tapping valve below fermentation vat is opened so that the waste water after fermentation enters two level Sedimentation basin carries out secondary precipitation filtering, and then the waste water after secondary precipitation carries out purified treatment.
A kind of low-energy-waste sewage treatment unit based on carbon source recycling for implementing the above method, including mixing pit, filtering ponds, It is provided with water inlet pipe at the upper side of the mixing pit, inlet valve, the mixing pit top other side are provided on the water inlet pipe It is provided with quantitative dosing case, the mixing pit side is provided with sludge tank, blender is provided on the mixing pit side wall, described Mixing pit is internally provided with propeller, is provided with primary filter above the propeller, is set on the mixing pit inner wall It is equipped with liquid level detector, the mixing pit top surface edge is provided with track, and cleaner, the cleaning are provided on the track Device includes Mobile base, scraper plate, and side-lower is provided with the scraper plate in the Mobile base, and circulation pipe is provided with below the mixing pit Road, is provided with tapping valve on the circulating line, and the circulating line end set has an aeration tank, setting inside the aeration tank There is circulating pump, sludge pump is provided on the aeration tank side wall, the aeration tank side is provided with first stage precipitation tank, the level-one Sedimentation basin side is provided with the filtering ponds, and elevator pump is provided on the filtering ponds side wall, and the filtering ponds are internally provided with Multistage filtering net, the filtering ponds side are provided with fermentation vat, and fermentation vat inner wall upper end is provided with biogas concentration monitoring device, The fermentation vat side is provided with second-level settling pond, is provided with exhaust pipe at the upper side of the fermentation vat, is set on the exhaust pipe It is equipped with check valve, the exhaust pipe end set has level-one air accumulator, the level-one air accumulator inner top to be provided with gas-water separation Net, the level-one air accumulator top are provided with booster pump, and level-one air accumulator side is provided with two level air accumulator, the two level It is provided with pressure monitor on gas storage pot sidewall, return duct is provided with below the level-one air accumulator.
Further, the track is fixed by screws on the mixing pit, and the Mobile base is slidably connected at described On track, the Mobile base altogether there are two, the scraper plate is fixed by screws in below the Mobile base, the scraper plate lower surface Distance apart from the primary filter is no more than 5mm.
Further, the blender is fixed by screws on the mixing pit outer wall, and the propeller passes through Shaft coupling is connected with the blender, and the propeller is fixed on by bearing block inside the mixing pit.
Further, the sludge tank, which is slidably connected, is fixed on the mixing pit side, the primary filter and the residue Inclined sliding slot is provided between case.
Further, the first stage precipitation tank is connected with the aeration tank by the circulating line, and the level-one is heavy Shallow lake pond is connected with the filtering ponds by the circulating line, and the filtering ponds pass through the circulating line with the fermentation vat It is connected, the fermentation vat is connected by the circulating line with the second-level settling pond.
Further, the multistage filtering net is fixed by screws in inside the filtering ponds, and the multistage filtering net is extremely Rare one layer, the multistage filtering net is obliquely installed.
Further, the fermentation vat is sealing structure, and the exhaust pipe is mounted on by pipe collar on the fermentation vat, institute It states check valve to be mounted on the exhaust pipe by pipe collar, the check valve is solenoid valve, and the check valve and the biogas are dense Spend monitor electrical connection.
Further, the gas-water separation net is fixed by screws in the level-one air accumulator inner top, the return duct It is mounted on the level-one gas storage pot bottom by pipe collar, the return duct is connected to the second-level settling pond.
Further, the level-one air accumulator is connected with the booster pump by pipeline, the booster pump outlet side with The two level air accumulator is connected, and the two level air accumulator is high pressure tank body.
The beneficial effects of the present invention are:It can be re-used to recycling carbon source in wastewater treatment process, save energy Source, environmental protection.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structure diagram of low-energy-waste sewage treatment unit recycled based on carbon source of the present invention;
Fig. 2 is a kind of mixing pit internal structure letter of low-energy-waste sewage treatment unit recycled based on carbon source of the present invention Figure;
Fig. 3 is a kind of cleaner structure diagram of low-energy-waste sewage treatment unit recycled based on carbon source of the present invention;
Fig. 4 is a kind of aeration tank internal structure letter of low-energy-waste sewage treatment unit recycled based on carbon source of the present invention Figure;
Fig. 5 is a kind of filtering ponds internal structure letter of low-energy-waste sewage treatment unit recycled based on carbon source of the present invention Figure;
Fig. 6 is a kind of fermentation vat internal structure letter of low-energy-waste sewage treatment unit recycled based on carbon source of the present invention Figure;
Fig. 7 is a kind of level-one air accumulator internal junction of low-energy-waste sewage treatment unit recycled based on carbon source of the present invention Structure schematic diagram;
Fig. 8 is a kind of two level gas storage jar structure letter of low-energy-waste sewage treatment unit recycled based on carbon source of the present invention Figure.
The reference numerals are as follows:
1, first stage precipitation tank;2, sludge pump;3, aeration tank;4, circulating line;5, tapping valve;6, sludge tank;7, mixing pit; 8, inlet valve;9, water inlet pipe;10, cleaner;11, quantitative dosing case;12, blender;13, elevator pump;14, filtering ponds;15, increase Press pump;16, level-one air accumulator;17, two level air accumulator;18, exhaust pipe;19, check valve;20, fermentation vat;21, return duct;22、 Second-level settling pond;23, primary filter;24, liquid level detector;25, propeller;26, scraper plate;27, Mobile base;28, track; 29, multistage filtering net;30, biogas concentration monitoring device;31, circulating pump;32, gas-water separation net;33, pressure monitor.
Specific implementation mode
With reference to embodiment and attached drawing, the invention will be further described:
As Figure 1-Figure 8, a kind of low energy consumption sewage treatment process based on carbon source recycling, specific sewage treatment process For:Sewage is entered by water inlet pipe 9 in mixing pit 7 after opening inlet valve 8, the sundries in 23 filter sewage of primary filter, liquid level inspection The capacity that device 24 detects sewage in mixing pit 7 is surveyed, after the capacity of sewage reaches setting height, inlet valve 8 is closed, and cleaner 10 opens It is dynamic that scraper plate 26 is driven to scrape the sundries in primary filter 23 in sludge tank 6, then by quantitative dosing case 11 into mixing pit 7 A certain amount of coagulant is added, blender 12, which starts, drives propeller 25 to rotate, and stirs 5min-10min so that coagulant It is thoroughly mixed with sewage, coagulant makes graininess and the flocculation of colloidal organic efficient in sewage, and tapping valve 5 is beaten after the completion of stirring It opens so that sewage enters aeration tank 3 by circulating line 4, circulating pump 31 drives the sewage in aeration tank 3 to roll up and down, makes sewage The subsequent processing difficulty of sand setting is reduced to make the organic matter of grit impact friction removal grit surface with gravel swirling motion, Sewage after aeration is transported to first stage precipitation tank 1 by sludge pump 2, the silt in sewage is removed after precipitation, then Sewage is sent into filtering ponds 14 by elevator pump 13, and secondary filter, filtered sewage are carried out to sewage by multistage filtering net 29 Into in the fermentation vat 20 of sealing, decomposing organic matter generates biogas under the action of anaerobic bacteria, and biogas concentration monitoring device 30 is supervised The biogas concentration in fermentation vat 20 is surveyed, check valve 19 is opened when biogas concentration is more than the peak of setting, and biogas passes through Exhaust pipe 18 enters in level-one air accumulator 16, and gas-water separation net 32 detaches the steam carried in biogas, leads to after condensation vapor It crosses return duct 21 and flows into second-level settling pond 22, the biogas in level-one air accumulator 16 is pumped into two level air accumulator 17 by booster pump 15, Pressure monitor 33 detects the pressure size inside two level air accumulator 17, avoids exceeding specified pressure store and causes danger, and ferments Sewage in pond 20 after fermentation after a period of time, the tapping valve 5 of the lower section of fermentation vat 20 open so that waste water after fermentation into Enter second-level settling pond 22 and carry out secondary precipitation filtering, then the waste water after secondary precipitation carries out purified treatment.
A kind of low-energy-waste sewage treatment unit based on carbon source recycling for implementing the above method, including mixing pit 7, filtering ponds 14, the upper side of the mixing pit 7 is provided with water inlet pipe 9, is provided with inlet valve 8 on the water inlet pipe 9, on the mixing pit 7 The square other side is provided with quantitative dosing case 11, and 7 side of the mixing pit is provided with sludge tank 6, is arranged on 7 side wall of the mixing pit There are blender 12, the mixing pit 7 to be internally provided with propeller 25,25 top of the propeller is provided with primary filter 23, liquid level detector 24 is provided on 7 inner wall of the mixing pit, and 7 top surface edge of the mixing pit is provided with track 28, described Cleaner 10 is provided on track 28, the cleaner 10 includes Mobile base 27, scraper plate 26, and side-lower is set in the Mobile base 27 It is equipped with the scraper plate 26,7 lower section of the mixing pit is provided with circulating line 4, tapping valve 5, institute are provided on the circulating line 4 Stating 4 end set of circulating line has an aeration tank 3, and the aeration tank 3 is internally provided with circulating pump 31, on 3 side wall of the aeration tank It is provided with sludge pump 2,3 side of the aeration tank is provided with first stage precipitation tank 1, and 1 side of the first stage precipitation tank is provided with described Filtering ponds 14 are provided with elevator pump 13 on 14 side wall of the filtering ponds, and the filtering ponds 14 are internally provided with multistage filtering net 29, 14 side of the filtering ponds is provided with fermentation vat 20, and 20 inner wall upper end of the fermentation vat is provided with biogas concentration monitoring device 30, institute It states 20 side of fermentation vat and is provided with second-level settling pond 22,20 upper side of the fermentation vat is provided with exhaust pipe 18, the exhaust Check valve 19 is provided on pipe 18,18 end set of the exhaust pipe has level-one air accumulator 16, pushed up in the level-one air accumulator 16 Portion is provided with gas-water separation net 32, and 16 top of the level-one air accumulator is provided with booster pump 15,16 side of level-one air accumulator It is provided with two level air accumulator 17, pressure monitor 33, the level-one air accumulator 16 are provided on 17 side wall of two level air accumulator Lower section is provided with return duct 21.
In the present embodiment, the track 28 is fixed by screws on the mixing pit 7, and the Mobile base 27 is slidably connected On the track 28, the Mobile base 27 altogether there are two, the scraper plate 26 is fixed by screws in the lower section of the Mobile base 27, Distance of 26 lower surface of the scraper plate apart from the primary filter 23 is no more than 5mm.
In the present embodiment, the blender 12 is fixed by screws on 7 outer wall of the mixing pit, the propeller 25 are connected by shaft coupling with the blender 12, and the propeller 25 is fixed on the mixing pit 7 by bearing block It is internal.
In the present embodiment, the sludge tank 6, which is slidably connected, is fixed on 7 side of the mixing pit, the primary filter 23 and institute It states and is provided with inclined sliding slot between sludge tank 6.
In the present embodiment, the first stage precipitation tank 1 is connected with the aeration tank 3 by the circulating line 4, and described one Grade sedimentation basin 1 is connected with the filtering ponds 14 by the circulating line 4, and the filtering ponds 14 pass through with the fermentation vat 20 The circulating line 4 is connected, and the fermentation vat 20 is connected by the circulating line 4 with the second-level settling pond 22.
In the present embodiment, the multistage filtering net 29 is fixed by screws in inside the filtering ponds 14, the multistage mistake At least one layer of strainer 29, the multistage filtering net 29 is obliquely installed.
In the present embodiment, the fermentation vat 20 is sealing structure, and the exhaust pipe 18 is mounted on the fermentation by pipe collar On pond 20, the check valve 19 is mounted on by pipe collar on the exhaust pipe 18, and the check valve 19 is solenoid valve, described unidirectional Valve 19 is electrically connected with the biogas concentration monitoring device 30.
In the present embodiment, the gas-water separation net 32 is fixed by screws in 16 inner top of level-one air accumulator, described Return duct 21 is mounted on 16 bottom of level-one air accumulator by pipe collar, and the return duct 21 connects with the second-level settling pond 22 It is logical.
In the present embodiment, the level-one air accumulator 16 is connected with the booster pump 15 by pipeline, the booster pump 15 Outlet side is connected with the two level air accumulator 17, and the two level air accumulator 17 is high pressure tank body.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.

Claims (10)

1. a kind of low energy consumption sewage treatment process based on carbon source recycling, it is characterised in that:Specifically sewage treatment process is:It beats Driving water valve (8) into, sewage is entered by water inlet pipe (9) in mixing pit (7) afterwards, the sundries in primary filter (23) filter sewage, liquid level Detector (24) detects the capacity of mixing pit (7) interior sewage, and after the capacity of sewage reaches setting height, inlet valve (8) is closed, clearly Reason device (10), which starts, drives scraper plate (26) to scrape the sundries in primary filter (23) in sludge tank (6), then by quantitatively adding A certain amount of coagulant is added into mixing pit (7) for medicine-chest (11), and blender (12), which starts, drives propeller (25) to rotate, Stir 5min-10min so that coagulant is thoroughly mixed with sewage, and coagulant keeps graininess and colloidal organic matter in sewage high Effect flocculation, tapping valve (5), which is opened, after the completion of stirring makes sewage enter aeration tank (3) by circulating line (4), circulating pump (31) It drives the sewage in aeration tank (3) to roll up and down, makes sewage and gravel swirling motion, to make grit impact friction removal gravel The organic matter on surface reduces the subsequent processing difficulty of sand setting, and the sewage after aeration is transported to level-one by sludge pump (2) and sinks Shallow lake pond (1) removes the silt in sewage after precipitation, is then lifted out pump (13) and sewage is sent into filtering ponds (14), pass through Multistage filtering net (29) carries out secondary filter to sewage, and filtered sewage enters in the fermentation vat (20) of sealing, thin in anaerobism Decomposing organic matter generates biogas under the action of bacterium, and biogas concentration monitoring device (30) monitors the biogas concentration in fermentation vat (20), when Check valve (19) is opened when biogas concentration is more than the peak of setting, and biogas enters level-one air accumulator by exhaust pipe (18) (16) in, gas-water separation net (32) detaches the steam carried in biogas, and passing through return duct (21) after condensation vapor flows into two Biogas in level-one air accumulator (16) is pumped into two level air accumulator (17) by grade sedimentation basin (22), booster pump (15), pressure monitoring Device (33) detects the internal pressure size of two level air accumulator (17), avoids exceeding specified pressure store and causes danger, fermentation vat (20) sewage in after fermentation after a period of time, open so that useless after fermentation by the tapping valve (5) below fermentation vat (20) Water enters second-level settling pond (22) and carries out secondary precipitation filtering, and then the waste water after secondary precipitation carries out purified treatment.
2. a kind of low-energy-waste sewage treatment unit based on carbon source recycling for implementing technique described in claim 1, it is characterised in that: Including mixing pit (7), filtering ponds (14), it is provided with water inlet pipe (9) at the upper side of the mixing pit (7), on the water inlet pipe (9) It is provided with inlet valve (8), the other side is provided with quantitative dosing case (11), mixing pit (7) side above the mixing pit (7) It is provided with sludge tank (6), blender (12) is provided on mixing pit (7) side wall, the mixing pit (7) is internally provided with spiral shell Agitating paddle (25) is revolved, primary filter (23) is provided with above the propeller (25), is provided on mixing pit (7) inner wall Liquid level detector (24), mixing pit (7) top surface edge are provided with track (28), cleaning are provided on the track (28) Device (10), the cleaner (10) include Mobile base (27), scraper plate (26), and the interior side-lower of the Mobile base (27) is provided with described Scraper plate (26), mixing pit (7) lower section are provided with circulating line (4), tapping valve (5) are provided on the circulating line (4), Circulating line (4) end set has aeration tank (3), the aeration tank (3) to be internally provided with circulating pump (31), the aeration Sludge pump (2) is provided on pond (3) side wall, aeration tank (3) side is provided with first stage precipitation tank (1), the level-one precipitation Pond (1) side is provided with the filtering ponds (14), and elevator pump (13), the filtering ponds are provided on filtering ponds (14) side wall (14) it is internally provided with multistage filtering net (29), filtering ponds (14) side is provided with fermentation vat (20), the fermentation vat (20) inner wall upper end is provided with biogas concentration monitoring device (30), and fermentation vat (20) side is provided with second-level settling pond (22), It is provided with exhaust pipe (18) at the upper side of the fermentation vat (20), check valve (19) is provided on the exhaust pipe (18), it is described Exhaust pipe (18) end set has level-one air accumulator (16), level-one air accumulator (16) inner top to be provided with gas-water separation net (32), it is provided with booster pump (15) above the level-one air accumulator (16), level-one air accumulator (16) side is provided with two level Air accumulator (17), is provided with pressure monitor (33) on two level air accumulator (17) side wall, under the level-one air accumulator (16) Side is provided with return duct (21).
3. a kind of low-energy-waste sewage treatment unit based on carbon source recycling according to claim 2, it is characterised in that:It is described Track (28) is fixed by screws on the mixing pit (7), and the Mobile base (27) is slidably connected on the track (28), There are two the Mobile base (27) is total, the scraper plate (26) is fixed by screws in below the Mobile base (27), the scraper plate (26) distance of the lower surface apart from the primary filter (23) is no more than 5mm.
4. a kind of low-energy-waste sewage treatment unit based on carbon source recycling according to claim 2, it is characterised in that:It is described Blender (12) is fixed by screws on the mixing pit (7) outer wall, and the propeller (25) passes through shaft coupling and institute It states blender (12) to be connected, the propeller (25) is fixed on the mixing pit (7) inside by bearing block.
5. a kind of low-energy-waste sewage treatment unit based on carbon source recycling according to claim 2, it is characterised in that:It is described Sludge tank (6), which is slidably connected, is fixed on the mixing pit (7) side, is set between the primary filter (23) and the sludge tank (6) It is equipped with inclined sliding slot.
6. a kind of low-energy-waste sewage treatment unit based on carbon source recycling according to claim 2, it is characterised in that:It is described First stage precipitation tank (1) is connected with the aeration tank (3) by the circulating line (4), the first stage precipitation tank (1) with it is described Filtering ponds (14) are connected by the circulating line (4), and the filtering ponds (14) are followed with the fermentation vat (20) by described Endless tube road (4) is connected, and the fermentation vat (20) is connected by the circulating line (4) with the second-level settling pond (22).
7. a kind of low-energy-waste sewage treatment unit based on carbon source recycling according to claim 2, it is characterised in that:It is described Multistage filtering net (29) is fixed by screws in inside the filtering ponds (14), at least one layer of the multistage filtering net (29), The multistage filtering net (29) is obliquely installed.
8. a kind of low-energy-waste sewage treatment unit based on carbon source recycling according to claim 2, it is characterised in that:It is described Fermentation vat (20) is sealing structure, and the exhaust pipe (18) is mounted on by pipe collar on the fermentation vat (20), the check valve (19) it is mounted on the exhaust pipe (18) by pipe collar, the check valve (19) is solenoid valve, the check valve (19) and institute State biogas concentration monitoring device (30) electrical connection.
9. a kind of low-energy-waste sewage treatment unit based on carbon source recycling according to claim 2, it is characterised in that:It is described Gas-water separation net (32) is fixed by screws in level-one air accumulator (16) inner top, and the return duct (21) is pacified by pipe collar Mounted in level-one air accumulator (16) bottom, the return duct (21) is connected to the second-level settling pond (22).
10. a kind of low-energy-waste sewage treatment unit based on carbon source recycling according to claim 2, it is characterised in that:Institute It states level-one air accumulator (16) with the booster pump (15) to be connected by pipeline, booster pump (15) outlet side and the two level Air accumulator (17) is connected, and the two level air accumulator (17) is high pressure tank body.
CN201810341778.7A 2018-04-17 2018-04-17 A kind of low energy consumption sewage treatment process and device based on carbon source recycling Withdrawn CN108328883A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109133424A (en) * 2018-09-25 2019-01-04 安顺市永烁科技有限公司 A kind of processing equipment of hotel's cloth grass wash water
CN111573899A (en) * 2020-05-28 2020-08-25 新昌县伯澜环保科技有限公司 Industrial sewage treatment equipment
CN112429870A (en) * 2020-11-02 2021-03-02 北海市传创环保科技有限公司 Nitrogen and phosphorus recovery device for sewage treatment and use method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109133424A (en) * 2018-09-25 2019-01-04 安顺市永烁科技有限公司 A kind of processing equipment of hotel's cloth grass wash water
CN111573899A (en) * 2020-05-28 2020-08-25 新昌县伯澜环保科技有限公司 Industrial sewage treatment equipment
CN111573899B (en) * 2020-05-28 2022-04-29 日照悦兴化工有限公司 Industrial sewage treatment equipment
CN112429870A (en) * 2020-11-02 2021-03-02 北海市传创环保科技有限公司 Nitrogen and phosphorus recovery device for sewage treatment and use method

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