CN106977054A - Municipal wastewater cleaning system construction technology - Google Patents

Municipal wastewater cleaning system construction technology Download PDF

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Publication number
CN106977054A
CN106977054A CN201710277761.5A CN201710277761A CN106977054A CN 106977054 A CN106977054 A CN 106977054A CN 201710277761 A CN201710277761 A CN 201710277761A CN 106977054 A CN106977054 A CN 106977054A
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CN
China
Prior art keywords
tank
water
filter
sand
municipal wastewater
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Pending
Application number
CN201710277761.5A
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Chinese (zh)
Inventor
倪兴隆
卢员贵
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Zhejiang Huading Municipal Construction Co Ltd
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Zhejiang Huading Municipal Construction Co Ltd
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Application filed by Zhejiang Huading Municipal Construction Co Ltd filed Critical Zhejiang Huading Municipal Construction Co Ltd
Priority to CN201710277761.5A priority Critical patent/CN106977054A/en
Publication of CN106977054A publication Critical patent/CN106977054A/en
Pending legal-status Critical Current

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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
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • 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
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/78Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2001/007Processes including a sedimentation step
    • 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
    • C02F2303/04Disinfection
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses a kind of municipal wastewater cleaning system construction technology, including pretreatment system, multi-stage aeration cell system and the after-treatment system set is connected with municipal wastewater;Pretreatment system includes sewage pump, initial filter grid, aerated grit chamber and preliminary sedimentation tank, and sewage flows into multi-stage aeration cell system after processing by Natural Water potential difference;Multi-stage aeration cell system includes the BAF being connected with preliminary sedimentation tank, the flotation tank being connected with BAF, the coagulative precipitation tank being connected with flotation tank, the chemicals dosing plant being arranged between flotation tank and coagulative precipitation tank, the filter handled successively coagulative precipitation tank dosing oettIed sewage, chlorination equipment and resin adsorption device;After-treatment system includes being connected the sludge-tank set, the belt filter press being connected with sludge-tank or volute centrifuge with preliminary sedimentation tank, flotation tank respectively, the sludge formation mud cake after belt filter press or the processing of volute centrifuge.Hygienic environment-protecting of the present invention, to good sewage processing effect.

Description

Municipal wastewater cleaning system construction technology
Technical field
The present invention relates to technical field of sewage, more specifically, it relates to which a kind of municipal wastewater cleaning system is constructed Technique.
Background technology
Clean fresh water has had changed into a kind of rare resource in China and some other area in the world, industrialized prominent Fly to push ahead vigorously and more exacerbate the anxiety of water supply, while also seriously constraining the sustainable development of futurity industry.The reuse of sewage can To solve a big chunk industrial water, it just can so save more fresh water and be used for drinking or other purposes.
With expanding economy and the raising of people's quality of life, sewage quality also there occurs that some change.Industrial is emerging Rise, some domestic sewerage systems have inevitably also received the industry sewage after the processing of part.At current newly-built municipal wastewater The target that annual stably reaching standard is difficult to realize in facility, Practical Project is managed, the handling process of use is necessary to be improved.
In the prior art, Publication No. CN202865035U Chinese patent discloses a kind of heavy metal containing wastewater treatment dress Put, including wastewater disposal basin and the reaction tank that is connected with the wastewater disposal basin, provided with being sequentially connected logical Wastewater Pretreatment dress in reaction tank Put, equipment for separating liquid from solid and filter, said apparatus by setting reaction tank, heavy metal ion pre-processed respectively, Separation of solid and liquid and filtering, reach the purpose of purification waste water, and by setting preliminary filter, Cation adsorption device and Anion-adsorption device Absorb and the heavy metal in filtered wastewater.Wastewater Pretreatment is carried out using said apparatus, had the following disadvantages:Pretreating effect is not It is good, it may appear that colourity is higher so that the increase of recycle-water heavy metal substance content exceeds outer row's index so as to cause to discharge water.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of municipal wastewater cleaning system construction work Skill, hygienic environment-protecting, to good sewage processing effect.
The present invention above-mentioned technical purpose technical scheme is that:A kind of municipal wastewater purification system System, including the pretreatment system set is connected with municipal wastewater, the multi-stage aeration cell system set is connected with pretreatment system, with And the after-treatment system set is connected with pretreatment system and multi-stage aeration cell system;Wherein, pretreatment system includes and municipal administration The sewage pump of sewage connection, the sewage to sewage pump lifting carry out the initial filter grid of initial filter, handled through initial filter grid The sewage crossed is passed through aerated grit chamber and preliminary sedimentation tank successively, and sewage flows into multi-stage aeration pond system after processing by Natural Water potential difference System;BAF that multi-stage aeration cell system includes be connected with preliminary sedimentation tank, the air supporting for being connected with BAF setting Pond, the coagulative precipitation tank set, the chemicals dosing plant being arranged between flotation tank and coagulative precipitation tank are connected with flotation tank, to coagulation Filter, chlorination equipment and resin adsorption device that sedimentation basin dosing oettIed sewage is handled successively;Post processing system System includes being connected the sludge-tank set with preliminary sedimentation tank, flotation tank respectively, the belt filter press being connected with sludge-tank or volute centrifugation Machine, the sludge formation mud cake after belt filter press or the processing of volute centrifuge.
By using above-mentioned technical proposal, sewage is first passed through pretreatment system and pre-processed, and then passes through multi-stage aeration Cell system is purified, absorbed and sterilized, using safety and environmental protection, no chemical residues and secondary pollution, pretreatment system and multistage The sludge that aeration cell system is produced is handled by after-treatment system, the sludge after processing by belt filter press or volute from Scheming is handled, and agricultural fertilizer is transported outward or made to the mud cake after processing;Chemicals dosing plant is purified and precipitated to the impurity in sewage;Flotation tank Flutterred with a large amount of microbubbles catch absorption fine particle gluing thing be allowed to float, reach the effect of separation of solid and liquid;Filter is used Multi-medium filtering device, effectively removes each middle suspension, microorganism and other subparticles in water, is then inhaled by resin Adsorption device heavy metal carries out ion exchange, after ion exchange resin failure, by acid or alkali in water sprayer after mixed diluting It is sent in resin adsorption device and resin is regenerated;Multi-stage aeration cell system and the sewage of different aspects bio-carrier contact Water quality is different, and the micropopulation composition of formation is not quite similar, and each aspect, which grows, to be suitable for flowing to this layer of sewage quality Microorganism species;Add different filtrates so that there is anaerobism, anoxic and aerobic zone simultaneously in unit filler, be conducive to food The formation of chain, and can be under aeration condition, while having the function of denitrogenation, dephosphorization and organics removal;Replaced passing with flotation tank Sedimentation basin in water treatment technology of uniting, can greatly improve going for BAF aging and the biomembrane come off and suspension Except rate, hydraulic detention time can be reduced, structures floor space is reduced, construction investment is reduced.
The present invention is further arranged to, and the chlorination equipment includes powder collection unit, RO filtration systems, water process list Member, ultraviolet-sterilization unit, the powder collection unit are provided with microstrainer provided with backwash unit, the unit for treating water.
By using above-mentioned technical proposal, chlorination equipment is provided with the particle for filtering and collecting to large particulate matter in sewage Collector unit, to the RO filtration systems of sewage water filtration processing, is handled the water that the moisture in sewage and reaction are produced Unit for treating water, and the ultraviolet-sterilization unit sterilized to sewage, bactericidal effect are good.
The present invention is further arranged to, and ozone water generating device is provided with the chlorination equipment.
By using above-mentioned technical proposal, sewage moment is become the effect with sterilizing by ozone water generating device Ozone Water, makes sewage purification.
The present invention is further arranged to, and the ozone water generating device includes housing, be arranged on water inlet on housing and It is respectively provided with delivery port, the water inlet and delivery port and determines and control the ozone detection sensor of consistency of ozone water to visit Head, provided with the water pump being connected with water inlet in the housing, the water inlet pipeline connection of the water pump and mixing battery, institute The gas outlet pipeline of the air inlet pipeline and ozonated water generator of stating mixing battery is connected, the outlet of the mixing battery Delivery port in the water inlet pipeline connection of road and moisture trap, the water outlet pipeline and housing of the moisture trap connects Connect, the gas outlet pipeline of the moisture trap is connected with ozone decomposed device.
By using above-mentioned technical proposal, ozone water generating device is purified to sewage, absorbed and disinfective action, is used Safety and environmental protection, no chemical residues and secondary pollution.
The present invention is further arranged to, and the chemicals dosing plant includes some dosing units being set up in parallel, each dosing list Member includes dosing tank, and the purifier being arranged in series with dosing tank, the control valve connected with purifier, control valve passes through branch pipe Connect main pipe rail;The dosing tank is provided with dosing funnel, and the bottom of dosing funnel is provided with funnel valve;The dosing tank and water purification Series connection is provided with water doping valve and flowmeter between device.
By using above-mentioned technical proposal, various assistant medicaments can be added in chemicals dosing plant, thus remove suspension, In oil removing, decolouring, removing heavy metals and water the effects such as chlorine residue;The setting of dosing funnel facilitates the addition of various additives, and is adding Medicine funnel bottom sets the convenient amount for adjusting dosing according to demand of funnel valve;The setting of water doping valve and flowmeter, it is convenient according to need The concentration in regulation dosing tank is sought, so as to reach optimum efficiency.
The present invention is further arranged to, the filter include quartz filter, and with quartz filter string Join the active carbon filter set.
By using above-mentioned technical proposal, sewage is filtered by quartz filter and active carbon filter respectively, Remove each middle suspension, microorganism and other subparticles in water.
The present invention is further arranged to, and quartz filter includes sand filtration housing, is arranged on the sand filter blanket in sand filtration housing, The sand filtration upper cover on sand filter blanket top is arranged on, the sand filtration low head of sand filter blanket bottom is arranged on, sand filter blanket is included by cobblestone The sand filtration bottom supporting layer of composition, and the quartz sand filler layer being arranged on sand filtration bottom supporting layer, the side wall of sand filtration housing On be respectively equipped with water inlet, air inlet, delivery port and discharge outlet, the top of sand filtration housing is provided with exhaust outlet.
By using above-mentioned technical proposal, using cobblestone as bottom supporting layer, some big in sewage are filtered out The material of grain, then by the further filtering of quartz sand filler layer, except each middle suspension in decontaminated water, microorganism and other are micro- Fine grained, and sewage is decolourized, is deodorized, dechlorination, organics removal, synthetic detergent, bacterium, virus and radioactivity is removed Deng polluter.
The present invention is further arranged to, and active carbon filter includes carbon filtration housing, and the carbon filtration being arranged in carbon filtration housing is filled out The bed of material, is arranged on the carbon filtration upper cover on carbon filtration packing layer, is arranged on the carbon filtration low head of carbon filtration packing layer bottom, carbon filtration housing Side wall on be respectively equipped with water inlet, air inlet, delivery port and discharge outlet, the top of carbon filtration housing is provided with exhaust outlet.
By using above-mentioned technical proposal, filtered into the sewage in active carbon filter by carbon filtration packing layer, filtering Fall suspension, microorganism and other subparticles in sewage.
The present invention is further arranged to, and carbon filtration packing layer includes the carbon filtration bottom supporting layer for being arranged on bottom, is arranged on charcoal Quartz sand layer on filter bottom layer supporting layer, is arranged on the active carbon layer on quartz sand layer, active carbon layer is filled out using active fruit shell carbon Dress is formed, and carbon filtration bottom supporting layer is cobblestone, and cobblestone from bottom to up arrange from large to small by particle.
By using above-mentioned technical proposal, using cobblestone as bottom supporting layer, some big in sewage are filtered out The material of grain, then by the further filtering of quartz sand filler layer, except each middle suspension in decontaminated water, microorganism and other are micro- Fine grained, finally by carbon filtration packing layer, sewage is decolourized, is deodorized, dechlorination, organics removal, remove synthetic detergent, The polluters such as bacterium, virus and radioactivity.
The present invention is further arranged to, and resin adsorption device includes the first resin adsorption device and the second tree being arranged in series Fat adsorbent equipment, the first resin adsorption device connection regenerated acid liquid case, sets between the first resin adsorption device and regenerated acid liquid case There is the first water sprayer, first flowmeter is provided between the first water sprayer and regenerated acid liquid case;Second resin adsorption device is connected again Raw lye tank, is provided with the second water sprayer, the second water sprayer and regeneration alkali lye between the second resin adsorption device and regeneration lye tank Second flowmeter is provided between case.
By using above-mentioned technical proposal, resin adsorption device carries out ion exchange, ion exchange to heavy metal in sewage After efficiency lost resin, it is sent in water sprayer after mixed diluting in resin adsorption device and resin is regenerated by acid or alkali, The first resin adsorption device is sent to after mixed diluting in water sprayer by concentrating the water in liquid case in sour or alkali lye and water tank Resin is regenerated with the second resin adsorption device.
In summary, the invention has the advantages that:
First, by using above-mentioned technical proposal, sewage is first passed through pretreatment system and pre-processed, and then passes through multi-stage aeration Cell system is purified, absorbed and sterilized, using safety and environmental protection, no chemical residues and secondary pollution, pretreatment system and multistage The sludge that aeration cell system is produced is handled by after-treatment system, the sludge after processing by belt filter press or volute from Scheming is handled, and agricultural fertilizer is transported outward or made to the mud cake after processing;Chemicals dosing plant is purified and precipitated to the impurity in sewage;Flotation tank Flutterred with a large amount of microbubbles catch absorption fine particle gluing thing be allowed to float, reach the effect of separation of solid and liquid;Filter is used Multi-medium filtering device, effectively removes each middle suspension, microorganism and other subparticles in water, is then inhaled by resin Adsorption device heavy metal carries out ion exchange, after ion exchange resin failure, by acid or alkali in water sprayer after mixed diluting It is sent in resin adsorption device and resin is regenerated;
Second, being provided with ozone water generating device in chlorination equipment, ozone water generating device becomes sewage moment with sterilization to disappear The Ozone Water of the effect of poison, makes sewage purification;
Third, filter uses multi-medium filtering device, sewage is entered by quartz filter and active carbon filter respectively Row filtering, removes each middle suspension, microorganism and other subparticles in water.
Brief description of the drawings
Fig. 1 is the process flow diagram of the embodiment of the present invention;
Fig. 2 is the structural representation of chemicals dosing plant of the embodiment of the present invention;
Fig. 3 is the structural representation of each dosing unit in Fig. 2;
Fig. 4 is the structural representation of filter of the embodiment of the present invention;
Fig. 5 is the structural representation of quartz filter in the embodiment of the present invention;
Fig. 6 is the structural representation of active carbon filter in the embodiment of the present invention;
Fig. 7 is the structural representation of chlorination equipment in the embodiment of the present invention;
Fig. 8 is the structural representation of ozone water generating device in the embodiment of the present invention;
Fig. 9 is the structural representation of resin adsorption device in the embodiment of the present invention.
In figure:1st, initial filter grid;2nd, aerated grit chamber;3rd, preliminary sedimentation tank;4th, BAF;5th, filter;51st, stone Sand filter;510th, sand filtration housing;511st, sand filter blanket;512nd, sand filtration upper cover;513rd, sand filtration low head;514th, sand filtration bottom Supporting layer;515th, quartz sand filler layer;52nd, active carbon filter;520th, carbon filtration housing;521st, carbon filtration packing layer;522nd, carbon filtration Upper cover;523rd, carbon filtration low head;524th, carbon filtration bottom supporting layer;525th, quartz sand layer;526th, active carbon layer;6th, sterilization dress Put;61st, powder collection unit;62nd, RO filtration systems;63rd, unit for treating water;64th, ultraviolet-sterilization unit;65th, unit is backwashed; 66th, microstrainer;7th, resin adsorption device;71st, the first resin adsorption device;72nd, the second resin adsorption device;73rd, acid solution is regenerated Case;74th, the first water sprayer;75th, first flowmeter;76th, lye tank is regenerated;77th, the second water sprayer;78th, second flowmeter;8th, it is smelly Oxygen water generating device;81st, housing;82nd, water inlet;83rd, delivery port;84th, water pump;85th, mixing battery;86th, Ozone Water occurs Device;87th, moisture trap;88th, ozone decomposed device;9th, chemicals dosing plant;91st, dosing unit;911st, dosing tank;912nd, water purification cartridge Put;913rd, control valve;914th, dosing funnel;915th, funnel valve;916th, water doping valve;917th, flowmeter;918th, mixer;919th, drive Dynamic motor;10th, flotation tank;11st, coagulative precipitation tank;12nd, sludge-tank;13rd, belt filter press or volute centrifuge.
Embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment:A kind of municipal wastewater cleaning system construction technology, reference picture 1, including it is connected what is set with municipal wastewater Pretreatment system, be connected with pretreatment system set multi-stage aeration cell system, and with pretreatment system and multi-stage aeration pond The after-treatment system that system connection is set.
Wherein, pretreatment system includes the sewage pump being connected with municipal wastewater, the sewage lifted to sewage pump The initial filter grid 1 for carrying out initial filter, the sewage treated through initial filter grid 1 are passed through aerated grit chamber 2 and preliminary sedimentation tank 3, sewage successively After processing multi-stage aeration cell system is flowed into by Natural Water potential difference.
BAF 4 that multi-stage aeration cell system includes being connected with preliminary sedimentation tank 3, it is connected and sets with BAF 4 The flotation tank 10 put, be connected with flotation tank 10 coagulative precipitation tank 11 set, be arranged on flotation tank 10 and coagulative precipitation tank 11 it Between chemicals dosing plant 9, filter 5, the chlorination equipment 6 handled successively the dosing oettIed sewage of coagulative precipitation tank 11 With resin adsorption device 7.
After-treatment system includes being connected the sludge-tank 12 set with preliminary sedimentation tank 3, flotation tank 10 respectively, is connected with sludge-tank 12 Belt filter press or volute centrifuge 13, sludge formation mud cake after being handled through belt filter press or volute centrifuge 13.
Reference picture 2, chemicals dosing plant 9 includes some dosing units 91 being set up in parallel, and each dosing unit 91 passes through branch respectively Pipeline connects total pipeline.
Reference picture 3, each dosing unit 91 is including dosing tank 911, the purifier 912 being arranged in series with dosing tank 911, The control valve 913 connected with purifier 912, control valve 913 connects main pipe rail by branch pipe.
Dosing tank 911 is provided with dosing funnel 914, and the bottom of dosing funnel 914 is provided with funnel valve 915.
Connected between dosing tank 911 and purifier 912 provided with water doping valve 916 and flowmeter 917.
The drive being connected with mixer 918, mixer 918 for driving mixer 918 to work is provided with dosing tank 911 Dynamic motor 919.
Reference picture 4, filter includes quartz filter, and the activated carbon mistake being arranged in series with quartz filter Filter.
Quartz filter 51 in reference picture 5, filter 5, including sand filtration housing 510, are arranged on sand filtration housing 510 Interior sand filter blanket 511, is arranged on the sand filtration upper cover 512 on the top of sand filter blanket 511, under the sand filtration for being arranged on the bottom of sand filter blanket 511 End socket 513, sand filter blanket 511 includes the sand filtration bottom supporting layer 514 being made up of cobblestone, and is arranged on sand filtration bottom supporting layer Quartz sand filler layer 515 on 514, cobblestone from bottom to up arrange from large to small by particle.
Active carbon filter 52 in such as Fig. 6, filter 5, including carbon filtration housing 520, are arranged in carbon filtration housing 520 Carbon filtration packing layer 521, be arranged on the carbon filtration upper cover 522 on carbon filtration packing layer 521, be arranged on the bottom of carbon filtration packing layer 521 Carbon filtration low head 523, carbon filtration packing layer 521 includes being arranged on the carbon filtration bottom supporting layer 524 of bottom, is arranged on carbon filtration bottom Quartz sand layer 525 on supporting layer 524, is arranged on the active carbon layer 526 on quartz sand layer 525, and active carbon layer 526 uses shell Activated carbon is loaded and formed, and carbon filtration bottom supporting layer 524 is cobblestone, and cobblestone from bottom to up arrange from large to small by particle.
Reference picture 7, chlorination equipment includes powder collection unit 61, RO filtration systems 62, unit for treating water 63, ultraviolet-sterilization Unit 64, powder collection unit 61 is provided with microstrainer 66 provided with backwash unit 65, unit for treating water 63.
Ozone water generating device 8 is provided with reference picture 8, chlorination equipment, ozone water generating device 8 includes housing 81, sets Water inlet 82 and delivery port 83 on housing 81, measure is respectively provided with water inlet 82 and delivery port 83 and is controlled smelly The ozone detection sensor probe of oxygen water concentration, provided with the water pump 84 being connected with water inlet 82, water pump 84 and gas in housing 81 The pipeline of water inlet 82 connection of water mixing tube 85, the air inlet pipeline of mixing battery 85 and the gas outlet of ozonated water generator 86 Pipeline is connected, and the export pipeline of mixing battery 85 is connected with the pipeline of water inlet 82 of moisture trap 87, moisture trap 87 The pipeline of delivery port 83 be connected with the delivery port 83 on housing 81, the gas outlet pipeline of moisture trap 87 and ozone decomposed device 88 Connection.
Such as Fig. 9, resin adsorption device 7 includes the first resin adsorption device 71 and the second resin adsorption device 72, the first tree The resin adsorption device 72 of fat adsorbent equipment 71 and second is arranged in series, the first resin adsorption device 71 connection regenerated acid liquid case 73, The first water sprayer 74, the first water sprayer 74 and regenerated acid liquid case are provided between first resin adsorption device 71 and regenerated acid liquid case 73 First flowmeter 75 is provided between 73;Second resin adsorption device 72 connection regeneration lye tank 76, the second resin adsorption device 72 The second water sprayer 77 is provided between regeneration lye tank 76, second flow is provided between the second water sprayer 77 and regeneration lye tank 76 Meter 78.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of municipal wastewater cleaning system construction technology, it is characterised in that:Including being connected the pretreatment set with municipal wastewater System, the multi-stage aeration cell system set is connected with pretreatment system, and connect with pretreatment system and multi-stage aeration cell system Connect the after-treatment system of setting;Wherein, pretreatment system include be connected with municipal wastewater sewage pump, to sewage pump The sewage of lifting carries out the initial filter grid of initial filter(1), through initial filter grid(1)Treated sewage is passed through aerated grit chamber successively (2)And preliminary sedimentation tank(3), sewage is after processing by Natural Water potential difference inflow multi-stage aeration cell system;Multi-stage aeration cell system includes With preliminary sedimentation tank(3)The BAF of connection(4)With BAF(4)Connect the flotation tank set(10)With air supporting Pond(10)Connect the coagulative precipitation tank set(11), be arranged on flotation tank(10)With coagulative precipitation tank(11)Between chemicals dosing plant (9), to coagulative precipitation tank(11)The filter that dosing oettIed sewage is handled successively(5), chlorination equipment(6)And tree Fat adsorbent equipment(7);After-treatment system include respectively with preliminary sedimentation tank(3), flotation tank(10)Connect the sludge-tank set(12), with Sludge-tank(12)The belt filter press or volute centrifuge of connection(13), through belt filter press or volute centrifuge(13)After processing Sludge formation mud cake.
2. municipal wastewater cleaning system construction technology according to claim 1, it is characterised in that:The chlorination equipment(6) Including powder collection unit(61), RO filtration systems(62), unit for treating water(63), ultraviolet-sterilization unit(64), the particle Collector unit(61)Provided with backwash unit(65), the unit for treating water(63)It is provided with microstrainer(66).
3. municipal wastewater cleaning system construction technology according to claim 2, it is characterised in that:The chlorination equipment(6) It is interior to be provided with ozone water generating device(8).
4. municipal wastewater cleaning system construction technology according to claim 3, it is characterised in that:The Ozone Water generation dress Put(8)Including housing(81), it is arranged on housing(81)On water inlet(82)And delivery port(83), the water inlet(82)With go out The mouth of a river(83)On be respectively provided with determine and control consistency of ozone water ozone detection sensor probe(811)、(812), institute State housing(81)Inside it is provided with and water inlet(82)The water pump of connection(84), the water pump(84)With mixing battery(85)Water inlet Mouth pipeline connection, the mixing battery(85)Air inlet pipeline and ozonated water generator(86)The connection of gas outlet pipeline, The mixing battery(85)Export pipeline and moisture trap(87)Water inlet pipeline connection, the moisture trap (87)Water outlet pipeline and housing(81)On delivery port(83)Connection, the moisture trap(87)Gas outlet pipeline with Ozone decomposed device(88)Connection.
5. municipal wastewater cleaning system construction technology according to claim 4, it is characterised in that:The chemicals dosing plant(9) Including some dosing units being set up in parallel(91), each dosing unit(91)Including dosing tank(911), with dosing tank(911) The purifier being arranged in series(912), with purifier(912)The control valve of series connection(913), control valve(913)Pass through branch pipe Connect main pipe rail;The dosing tank(911)It is provided with dosing funnel(914), dosing funnel(914)Bottom be provided with funnel valve (915);The dosing tank(911)With purifier(912)Between series connection be provided with water doping valve(916)And flowmeter(917).
6. municipal wastewater cleaning system construction technology according to claim 5, it is characterised in that:The filter(5) Including quartz filter(51), and and quartz filter(51)The active carbon filter being arranged in series(52).
7. municipal wastewater cleaning system construction technology according to claim 6, it is characterised in that:Quartz filter(51) Including sand filtration housing(510), it is arranged on sand filtration housing(510)Interior sand filter blanket(511), it is arranged on sand filter blanket(511)Top Sand filtration upper cover(512), it is arranged on sand filter blanket(511)The sand filtration low head of bottom(513), sand filter blanket(511)Including by goose ovum The sand filtration bottom supporting layer that stone is constituted(514), and it is arranged on sand filtration bottom supporting layer(514)On quartz sand filler layer (515), sand filtration housing(510)Side wall on be respectively equipped with water inlet, air inlet, delivery port and discharge outlet, sand filtration housing(510) Top be provided with exhaust outlet.
8. municipal wastewater cleaning system construction technology according to claim 7, it is characterised in that:Active carbon filter(52) Including carbon filtration housing(520), it is arranged on carbon filtration housing(520)Interior carbon filtration packing layer(521), it is arranged on carbon filtration packing layer (521)On carbon filtration upper cover(522), it is arranged on carbon filtration packing layer(521)The carbon filtration low head of bottom(523), carbon filtration housing (520)Side wall on be respectively equipped with water inlet, air inlet, delivery port and discharge outlet, carbon filtration housing(520)Top provided with exhaust Mouthful.
9. municipal wastewater cleaning system construction technology according to claim 8, it is characterised in that:Carbon filtration packing layer(521) Carbon filtration bottom supporting layer including being arranged on bottom(524), it is arranged on carbon filtration bottom supporting layer(524)On quartz sand layer (525), it is arranged on quartz sand layer(525)On active carbon layer(526), active carbon layer(526)Using active fruit shell carbon filling Into carbon filtration bottom supporting layer(524)For cobblestone, cobblestone from bottom to up arrange from large to small by particle.
10. municipal wastewater cleaning system construction technology according to claim 1, it is characterised in that:Resin adsorption device(7) Including the first resin adsorption device being arranged in series(71)With the second resin adsorption device(72), the first resin adsorption device(71) Connect regenerated acid liquid case(73), the first resin adsorption device(71)With regenerated acid liquid case(73)Between be provided with the first water sprayer (74), the first water sprayer(74)With regenerated acid liquid case(73)Between be provided with first flowmeter(75);Second resin adsorption device (72)Connection regeneration lye tank(76), the second resin adsorption device(72)With regeneration lye tank(76)Between be provided with the second water sprayer (77), the second water sprayer(77)With regeneration lye tank(76)Between be provided with second flowmeter(78).
CN201710277761.5A 2017-04-25 2017-04-25 Municipal wastewater cleaning system construction technology Pending CN106977054A (en)

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Application publication date: 20170725