CN203683268U - Sludge water treatment system - Google Patents

Sludge water treatment system Download PDF

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Publication number
CN203683268U
CN203683268U CN201320829484.1U CN201320829484U CN203683268U CN 203683268 U CN203683268 U CN 203683268U CN 201320829484 U CN201320829484 U CN 201320829484U CN 203683268 U CN203683268 U CN 203683268U
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China
Prior art keywords
water
spoil disposal
treatment system
water treatment
membrane
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Expired - Fee Related
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CN201320829484.1U
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Chinese (zh)
Inventor
马延强
王利强
叶新
赵晖
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Priority to CN201320829484.1U priority Critical patent/CN203683268U/en
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Abstract

The utility model provides a sludge water treatment system, relating to the technical field of water treatment. The sludge water treatment system is used for solving the problems of the existing sludge water treatment equipment that the floor area is relatively large, the solid-liquid separation efficiency is relatively low and the quality of outlet water is hard to guarantee. The sludge water treatment system comprises a regulation pool, a membrane treatment device and a dosing device, wherein the regulation pool is used for regulating the volume of sludge water; the membrane treatment device is communicated with the regulation pool; the dosing device is arranged on a main pipeline which communicates the regulation pool and the membrane treatment device. The sludge water treatment system is particularly applicable to the recovery and reuse of the sludge water of waterworks.

Description

Spoil disposal water treatment system
Technical field
The utility model relates to water-treatment technology field, specifically the water treatment system of a kind of waterworks spoil disposal water.
Background technology
The object of city water factory clean water treatment is to remove suspended matter, colloidalmaterial, bacterium and other objectionable constituent in former water with hazardness, makes water after purifying can meet life and drinks and industrial needs.In water treatment procedure, spoil disposal and washing ring festival-gathering produce a large amount of waste water (being below referred to as " spoil disposal water "), and these waste water are mainly from reaction tank, settling tank and filter tank.These spoil disposal water enter rivers conventionally, and the riverbed that not only deposits hinders shipping and flood passage, and become the major source of pollutant of water body.In addition, the self water consumption of waterworks spoil disposal and flushing link generally accounts for 4%~5% left and right of water factory's treatment scale.Especially for the water factory of korneforos, Congjiang water intaking, spoil disposal and flushing have consumed again a large amount of electric energy, particularly former water are carried to the water factory coming through long distance.Through measuring and calculating, be 300,000 m to a treatment scale 3the water factory of/d, the spoil disposal water that produce in production process every day is about 1.5 ten thousand m 3/ d, consumes electric energy and is about 600kwh/d, and, the every increase 1km of raw water distance, also will consume the electric energy of about 150kwh every day again.
Spoil disposal water is dewatered and can reduce the wherein water ratio of mud, the further volume of reduction mud, reclaim water resources wherein, not only can avoid spoil disposal water to cause secondary pollution to environment water, but also can saving water resource and the problem such as initial cost and water delivery power consumption of long distance water diversion.Traditional spoil disposal water treating equipment are generally made up of " spoil disposal water equalizing tank+concentration basin+dehydration machine room ", the main mode that adopts gravity concentration, utilize the sedimentation function of concentration basin to remove mud to reduce the turbidity of reuse water, there is the excessive unfavorable factor of concentration basin floor space in this equipment, initial cost is larger, and spoil disposal water solid-liquid separation efficiency is lower, effluent quality is difficult to guarantee.
Summary of the invention
Larger for existing spoil disposal water treating equipment floor space, and solid-liquid separation efficiency is lower, effluent quality is difficult to the problem guaranteeing, the purpose of this utility model is to provide a kind of spoil disposal water treatment system, adopt membrane treatment appts to carry out solid-liquid separation to spoil disposal water, replace traditional concentration basin, both dwindled the floor space of system, improved again solid-liquid separation efficiency.
The utility model solves the technical scheme that its technical problem adopts: it comprises that one for regulating the equalizing tank of the described spoil disposal water water yield; One membrane treatment appts being communicated with described equalizing tank; And a chemicals dosing plant, described chemicals dosing plant is arranged on the main line being communicated with between described equalizing tank and described membrane treatment appts.
Further, in described membrane treatment appts, be provided with hyperfiltration membrane assembly.
Ultra-filtration membrane aperture in described hyperfiltration membrane assembly is 0.01 μ m~0.015 μ m.
Further, the bottom of described hyperfiltration membrane assembly is provided with micro-hole aerator.
Between described chemicals dosing plant and described main line, be provided with a volume pump.
Preferably, the main line part between described volume pump and described membrane treatment appts is provided with at least one serpentine bend pipe.
Between described equalizing tank and described chemicals dosing plant, be also provided with a regulating tank.
Between described equalizing tank and described regulating tank, be provided with a control valve.
The water-in of described membrane treatment appts connects an intake pump.
The water outlet of described membrane treatment appts is communicated with clean water basin.
Technique effect of the present utility model is:
One, spoil disposal water treatment system of the present utility model, adopt hyperfiltration membrane assembly to carry out solid-liquid separation, hyperfiltration membrane assembly is submerged hollow fiber ultra-filtration membrane, in its unit volume, effective film area is large, mutually, spacing is less, and packing density is higher, and unit occupied area is little, with other form membrane module comparisons, there is higher effective film area.The many tiny micropore gathering in hyperfiltration membrane assembly surface only allows water and small-molecule substance by becoming through liquid, the material that in spoil disposal water, volume is greater than film surface micropore footpath is trapped and becomes concentrated solution, thereby realizes spoil disposal water purification, separation and concentrated object.The spoil disposal water of waterworks after treatment, water outlet COD clearance can reach more than 95%, delivery turbidity remains on below 1NTU, therefore, water outlet can be delivered to the settling tank of waterworks, thereby realized the recycling of waterworks spoil disposal water, the self water consumption of the every minimizing treatment scale 1% of water factory, can save the about 3000m of the water yield every day 3.As can be seen here, spoil disposal water treatment system of the present utility model, has reduced the quantity discharged of the sewage that water factory's production process produces, and has not only saved the electric energy of the former water consumption of remote conveying, is conducive to again recycling and the comprehensive utilization of water resources.
Two, spoil disposal water treatment system of the present utility model, cancel traditional coagulation basin, medicament and spoil disposal water is abundant coagulation in the serpentine bend pipe of main line, particularly importantly, spoil disposal water treatment system adopts membrane treatment appts to replace traditional concentration basin, more dwindle the floor space of system, calculate, spoil disposal water treatment system of the present utility model, floor space be only traditional gravity concentration mode spoil disposal water treatment system floor space 30%~50%, effectively reduced initial cost and water delivery power consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model spoil disposal water treatment system;
Fig. 2 is the structural representation of membrane treatment appts.
Embodiment
Below in conjunction with the drawings and specific embodiments, the spoil disposal water treatment system the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
In conjunction with Fig. 1 and Fig. 2, spoil disposal water treatment system 100 of the present utility model is described, it comprises an equalizing tank 10, for regulating the water yield of waterworks spoil disposal water; One membrane treatment appts 30 being communicated with equalizing tank 10, for carrying out solid-liquid separation to spoil disposal water; And a chemicals dosing plant 20, chemicals dosing plant 20 is arranged on the main line 40 being communicated with between equalizing tank 10 and membrane treatment appts 30, for add the medicament of sterilization and coagulation to spoil disposal water.The medicament that chemicals dosing plant 20 is annotated comprises clorox and polymerize aluminum chloride (being flocculation agent).Adding clorox can remove the part pollutent in spoil disposal water by oxygenizement, and can play the solidifying effect that helps, and can also improve in addition the back flushing efficiency of membrane treatment appts 30.Polyaddition aluminum chloride can be removed the part pollutent in spoil disposal water on the one hand, and the film that can slow down on the other hand in membrane treatment appts 30 pollutes.
Preferably, in membrane treatment appts 30, adopt hyperfiltration membrane assembly 32 to filter, hyperfiltration membrane assembly 32 is submerged hollow fiber ultra-filtration membrane, effective film area is large in submerged hollow fiber ultra-filtration membrane unit volume, mutually between spacing less, packing density is higher, unit occupied area is little, be waterhead or the outer filter membrane of the suction pump one of filtering before and after relying on, with other form membrane module comparisons, there is higher effective film area.The many tiny micropore gathering in hyperfiltration membrane assembly 32 surfaces only allows water and small-molecule substance by becoming through liquid (being clear water), the material that in spoil disposal water, volume is greater than film surface micropore footpath is trapped and becomes concentrated solution, thereby realizes spoil disposal water purification, separation and concentrated object.Ultra-filtration membrane pore diameter range is 0.001 μ m~0.02 μ m, and as preferably, ultra-filtration membrane aperture is 0.01 μ m~0.015 μ m, spoil disposal water solid-liquid separation effect the best.
Further, the bottom of hyperfiltration membrane assembly 32 is provided with micro-hole aerator 33.Can improve the activity of spoil disposal water by aeration, and make spoil disposal water form surperficial cross-flow, decelerating membrane pollution on film surface.In addition, be provided with mud-removing bucket 34 in membrane treatment appts 30 bottoms, be convenient to regularly discharge the mud of deposition.
In order to control better the dosage of sterilization and coagulated agent, between chemicals dosing plant 20 and main line 40, be provided with volume pump 21.Better, on the main line 40 between volume pump 21 and membrane treatment appts 30, be provided with at least one serpentine bend pipe 41, the setting of serpentine bend pipe 41 can make medicament and spoil disposal water fully mix main pipeline 40 is interior.
On main line 40 between equalizing tank 10 and chemicals dosing plant 20, be also provided with a regulating tank 50, for storing the supernatant liquor of equalizing tank 10 preliminary sedimentations.Between equalizing tank 10 and regulating tank 50, be also provided with a control valve 43, for controlling the water yield that flows into regulating tank 50.
The water-in 31 of membrane treatment appts 30 connects an intake pump 42, for carry constantly spoil disposal water in membrane treatment appts 30.The water outlet 35 of membrane treatment appts 30 is communicated with clean water basin 60, and for receiving and temporarily storing the clear water after filtering, and output upper water is as water outlet.
The working process of spoil disposal water treatment system 100 of the present utility model is described in conjunction with Fig. 1 and Fig. 2:
First, the spoil disposal water of waterworks settling tank and the flushing waste water in filter tank enter in equalizing tank 10 and carry out natural sedimentation, and the supernatant liquor after preliminary sedimentation enters the interior storage of regulating tank 50;
Start intake pump 42, supernatant liquor in regulating tank 50 enters main pipeline 40, simultaneously, the medicament preparing in chemicals dosing plant 20 is filled in main pipeline 40 by volume pump 21, first add clorox and carry out oxidizing reaction, interval 1min adds polymerize aluminum chloride to carry out coagulation again, and two kinds of medicaments contact with the supernatant liquor in main line 40 respectively and fully mix, and at the interior coagulation of serpentine bend pipe 41.Preferably, clorox dosage is 2mg/L, and polymerize aluminum chloride dosage is 30 mg/L.First adding the object of clorox, is to make clorox first have the mixing time of 1min with supernatant liquor, guarantees clorox performance oxygenizement, then adds polymerize aluminum chloride and complete coagulation.
Supernatant liquor after coagulation flows directly in the reaction tank of membrane treatment appts 30 and carries out solid-liquid separation, and when operation, ultra-filtration membrane flux is 20L/ ㎡ h, and when backwash, ultra-filtration membrane flux is 60L/ ㎡ h, and producing the water time is 30min, and backwashing time is 1min, and aerate flux is 15m 3/ h.Enter the interior storage of clean water basin 60 by the clear water after membrane treatment appts 30 solid-liquid separation, and export upper water as water outlet, recycling.Mud after solid-liquid separation is discharged and is concentrated by the mud-removing bucket 34 of membrane treatment appts 30.
Spoil disposal water treatment system of the present utility model, adopts membrane treatment appts as solid-liquid separation unit, and it combines and can remove multiple pollutant in water with other techniques (biochemical treatment and coagulation etc.).The spoil disposal water of waterworks after treatment, water outlet COD(COD refers in water body can oxidized material to carry out the amount of chemical oxidation time institute oxygen consumed) clearance can reach more than 95%, it is nephelometric turbidity unit that delivery turbidity remains on 1NTU(NTU) below, visible, spoil disposal water treatment system of the present utility model is in having simplified water technology, spoil disposal water delivery turbidity and total plate count all reach standard, have guaranteed high-quality and stable effluent quality.Therefore, water outlet can directly be delivered to the settling tank of waterworks, thereby has realized the recycling of waterworks spoil disposal water, and the self water consumption of the every minimizing treatment scale 1% of water factory, can save the about 3000m of the water yield every day 3.
In sum, spoil disposal water treatment system of the present utility model, has reduced the quantity discharged of the sewage that water factory's production process produces, and has not only saved the electric energy of the former water consumption of remote conveying, is conducive to again recycling and the comprehensive utilization of water resources.
Foregoing description is only the description to the utility model preferred embodiment; the not any restriction to the utility model scope; any change, modification that the those of ordinary skill in the utility model field does according to above-mentioned disclosure, all belong to the protection domain of claims.

Claims (8)

1. spoil disposal water treatment system, is characterized in that, it comprises:
One for regulating the equalizing tank of the described spoil disposal water water yield;
One membrane treatment appts being communicated with described equalizing tank;
And a chemicals dosing plant, described chemicals dosing plant is arranged on the main line being communicated with between described equalizing tank and described membrane treatment appts;
In described membrane treatment appts, be provided with hyperfiltration membrane assembly, the main line part between described chemicals dosing plant and described membrane treatment appts is provided with at least one serpentine bend pipe.
2. spoil disposal water treatment system according to claim 1, is characterized in that: the ultra-filtration membrane aperture in described hyperfiltration membrane assembly is 0.01 μ m~0.015 μ m.
3. spoil disposal water treatment system according to claim 2, is characterized in that: the bottom of described hyperfiltration membrane assembly is provided with micro-hole aerator.
4. according to the spoil disposal water treatment system described in claims 1 to 3 any one, it is characterized in that: between described chemicals dosing plant and described main line, be provided with a volume pump.
5. spoil disposal water treatment system according to claim 1, is characterized in that: between described equalizing tank and described chemicals dosing plant, be also provided with a regulating tank.
6. spoil disposal water treatment system according to claim 5, is characterized in that: between described equalizing tank and described regulating tank, be provided with a control valve.
7. spoil disposal water treatment system according to claim 6, is characterized in that: the water-in of described membrane treatment appts connects an intake pump.
8. spoil disposal water treatment system according to claim 7, is characterized in that: the water outlet of described membrane treatment appts is communicated with clean water basin.
CN201320829484.1U 2013-12-16 2013-12-16 Sludge water treatment system Expired - Fee Related CN203683268U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320829484.1U CN203683268U (en) 2013-12-16 2013-12-16 Sludge water treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320829484.1U CN203683268U (en) 2013-12-16 2013-12-16 Sludge water treatment system

Publications (1)

Publication Number Publication Date
CN203683268U true CN203683268U (en) 2014-07-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746472A (en) * 2017-03-03 2017-05-31 甘肃金桥水科技(集团)股份有限公司 A kind of water for drainage slurry system and handling process
CN107055926A (en) * 2017-05-25 2017-08-18 河海大学 A kind of sludge water condition in waterworks water treatment facilities
CN111908525A (en) * 2020-08-04 2020-11-10 新路国际环境工程有限公司 Sewage adds medicine processing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746472A (en) * 2017-03-03 2017-05-31 甘肃金桥水科技(集团)股份有限公司 A kind of water for drainage slurry system and handling process
CN107055926A (en) * 2017-05-25 2017-08-18 河海大学 A kind of sludge water condition in waterworks water treatment facilities
CN111908525A (en) * 2020-08-04 2020-11-10 新路国际环境工程有限公司 Sewage adds medicine processing system

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140702

Termination date: 20211216