CN109422413A - A kind of water paint wastewater treatment equipment - Google Patents

A kind of water paint wastewater treatment equipment Download PDF

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Publication number
CN109422413A
CN109422413A CN201710704293.5A CN201710704293A CN109422413A CN 109422413 A CN109422413 A CN 109422413A CN 201710704293 A CN201710704293 A CN 201710704293A CN 109422413 A CN109422413 A CN 109422413A
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China
Prior art keywords
tank
water
wastewater
enters
sludge
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Pending
Application number
CN201710704293.5A
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Chinese (zh)
Inventor
杨宗政
杨婷婷
张洁
郭亚男
刘爱霖
王春虎
刘莹
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Tianjin University of Science and Technology
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Tianjin University of Science and Technology
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Priority to CN201710704293.5A priority Critical patent/CN109422413A/en
Publication of CN109422413A publication Critical patent/CN109422413A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/14—Paint wastes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/026—Fenton's reagent
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1263—Sequencing batch reactors [SBR]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/28—Anaerobic digestion processes
    • C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/301—Aerobic and anaerobic treatment in the same reactor

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

本发明公开一种水性涂料废水处理装置，其特征在于管路依次连接集水池、pH调节池、混凝沉淀池、高级氧化池、UASB、SBR池、MBBR池、产水池；各个阶段产生的污泥处理后滤液回流，泥饼外运。采用上述技术方案，本发明所述的水性涂料废水处理装置，将水性涂料废水经过pH调节、混凝沉淀、高级氧化后，再依次进过UASB、SBR和MBBR池处理后，出水可排放或回用，降低了生产成本、减少了环境污染，节约了水资源。

The invention discloses a water-based paint wastewater treatment device, which is characterized in that pipelines are sequentially connected to a collection tank, a pH adjustment tank, a coagulation sedimentation tank, an advanced oxidation tank, a UASB, an SBR tank, a MBBR tank, and a water production tank; After the mud treatment, the filtrate is refluxed, and the mud cake is transported out. With the above technical solution, the water-based paint wastewater treatment device of the present invention processes the water-based paint wastewater through pH adjustment, coagulation and sedimentation, and advanced oxidation, and then sequentially enters the UASB, SBR and MBBR pools for treatment, and the effluent can be discharged or recycled. It reduces production costs, reduces environmental pollution and saves water resources.

Description

A kind of water paint wastewater treatment equipment
Technical field
The invention belongs to water paint technical field of waste water processing, and in particular to a kind of water paint wastewater treatment equipment.
Background technique
Water paint refers to water as solvent or makees the coating of decentralized medium comprising water soluble paint, water-thinned Coating, water-dispersible paint (latex paint) etc..Compared to other coating, water paint answers it to have the characteristics that environmental protection, thus It is widely used, becomes one of first choice of indoor coating, therefore also bring a large amount of water paint waste water.
A large amount of waste water can be generated in the production process of water paint, this kind of waste water has water quality complex in composition, pollution The features such as object concentration is high, and waste water quality, water fluctuation are big, and biodegradability is poor.In addition, water paint container and equipment cleaning also can Waste water is generated, the organic substances such as resin, solvent, auxiliary agent, mineral oil, pigment are mainly contained in waste water, COD concentration is high, if directly Run in and put, water environment will be generated and be seriously affected, therefore be badly in need of being studied for the sort aqueous paint waste water, design technology carries out Wastewater treatment makes it meet discharge standard, reduces the pollution to environment.
Summary of the invention
It is an object of the invention in view of the above-mentioned problems, a kind of high treating effect is provided, water outlet can direct emission or reuse Water paint wastewater treatment equipment.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of water paint wastewater treatment equipment, including chemical treatment stage, biological treatment stage, Treatment of Sludge stage. Chemical treatment stage includes collecting-tank, pH conditioning tank, coagulative precipitation tank, advanced oxidation pond；Biological treatment stage include UASB, The pond SBR, the pond MBBR；The Treatment of Sludge stage includes sludge concentration tank, sludge pump, plate and frame filter press.The equipment in each stage passes through Pipeline is sequentially connected in series.
The chemical treatment stage handles water paint waste water using coagulating sedimentation and advanced oxidation dual process, and waste water is first It is introduced into pH conditioning tank and is adjusted to alkalinity, enter coagulative precipitation tank later, make itself and the impurity knot in waste water by adding medicament Conjunction forms floccule body, and by gravitational settling to bottom of pond, supernatant enters advanced oxidation pond, adds Fenton reagent and further degrades Impurity and organic matter in waste water.
The biological treatment stage uses the process water paint waste water that combines with MBBR of UASB, SBR, waste water from The bottom UASB enters Sludge Bed, becomes biogas, export at the top of biogas autoreactor, place by the fermentation of anaerobic reaction Organic substance in water Sewage after reason enters SBR, after sewage level reaches setting height in pond, carries out intermittent aeration, having in sewage of degrading Machine substance, treated, and sewage enters the pond MBBR, and aeration is equipped in the pond MBBR, is sufficiently mixed the biomembrane of waste water and suspension And it reacts, further degradation of organic substances matter, TN and TP.
The advantages and positive effects of the present invention are:
1. the present invention uses coagulation and the dual preconditioning technique of Fenton, major part SS in waste water is eliminated, original is reduced The turbidity and coloration of water, while COD, BOD, TN and TP are also reduced, greatly reduce the load of subsequent biosystem.
2. the process water paint waste water that the present invention is combined using UASB, SBR and MBBR, degradable major part have Machine object improves the biodegradability of waste water；SBR process operation mode is flexible, and become reconciled feeding process of anaerobism alternately occurs, and sludge age is short, living Property it is high, substantially increase the removal efficiency of TN and TP in waste water；The biomembrane for being equipped with aeration in the pond MBBR and suspending, energy and waste water It comes into full contact with, further degradation of organic substances matter, TN and TP.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of water paint wastewater treatment equipment of the invention
Specific embodiment
The invention will be further described with reference to the accompanying drawing and by specific embodiment, and following embodiment is descriptive , it is not restrictive, this does not limit the scope of protection of the present invention.
As shown in Figure 1, a kind of water paint wastewater treatment equipment, including pass through the sequentially connected intake pump 1 of pipeline, catchment Pond 2, coagulative precipitation tank 6, advanced oxidation pond 7, UASB10, SBR13, micro porous aeration head 14, the pond MBBR 16, produces water at pH conditioning tank 5 Pond 19, sludge concentration tank 20, plate and frame filter press 22.Water paint waste water enters collecting-tank 2 under the action of intake pump 1, according to It is secondary to remove a large amount of solid suspension and colloidal substance by pH conditioning tank 5, coagulative precipitation tank 6, advanced oxidation pond 7；Advanced oxygen Change the water outlet of pond 7 and enters the progress anaerobic digestion of the pond UASB 10, the organic matter in sewage of degrading；UASB10 water outlet enters SBR13, The bottom SBR13 is equipped with micro porous aeration head 14, and providing oxygen is sufficiently mixed waste water with sludge, degradation of organic substances, and it is dirty that treated Water enters the pond MBBR 16, and the biologic packing material 18 for being equipped with aerator 17 in the pond MBBR and suspending makes the life of waste water and suspension Object film is sufficiently mixed and reacts, further degradation of organic substances matter, TN and TP, produces water qualified discharge or reuse.
The pH conditioning tank 5 is equipped with pH on-line computing model 3 and agitating device 4, and waste water enters conditioning tank 5, and feeding lime is extremely The range that pH on-line computing model 3 is shown is between 8-10.
The UASB10 is made of sludge reaction area, gas-liquid-solid three-phase separator 8 and gas chamber three parts.There is one in bottom High concentration, the Sludge Bed of high activity, sewage enter UASB10 from bottom to top, come into full contact in base sludge bed with sludge, water Middle organic substance becomes biogas by anaerobic fermentation.Biogas constantly merges in uphill process forms biggish bubble, sludge, Water, biogas enter three phase separator 8 together, when biogas encounters the reflecting plate of separator lower part, are folded to the surrounding of reflecting plate, then Enter gas chamber across water layer, concentrates on the export of gas chamber conduit 9, solid-liquid mixed liquor is by being reflected into the heavy of three phase separator 8 Shallow lake area, the sludge in sewage flocculate, and particle is gradually increased, and is settled under the effect of gravity, and Sludge Bed is slid back to.Treated Sewage is discharged from upper right side, and the sludge overflowed from sludge settling area top is discharged into sludge concentration tank 23.
The SBR13 working method is that UASB10 water outlet enters SBR13 by elevator pump 11, and sewage level reaches in pond After setting height, 14 equipment of micro porous aeration head provides intermittent oxygen, is sufficiently mixed sewage with sludge, in sewage of degrading Organic substance, treated, and sewage is excluded from upper right side.
The pond MBBR 16 makes biologic packing material be in fluidized state by the castering action of aeration and water flow, and then is formed outstanding The biomembrane of the activated sludge and apposition growth of growing floating on water long is equipped with agitating device 15, aerator 17 and the biology to suspend in pond Filler 18, waste water enter the pond MBBR 16, under the action of agitating device 15 with the frequent multiple-contact of biologic packing material, degradation of organic substances Matter, TN and TP, treated, and sewage is discharged into production pond.
The treatment process of a kind of water paint waste water and sanitary sewage includes such as the next stage:
1. chemical treatment stage: water paint waste water flows into collecting-tank under the action of intake pump, later will be in collecting-tank Waste water be introduced into pH conditioning tank, be added lime be adjusted to alkalinity；Water outlet enters in coagulative precipitation tank, and flocculant is added, and relies on Gravitational settling removes the pollutant in waste water；Water outlet enters advanced oxidation pond, and the further degradation impurity of Fenton reagent is added, goes Except SS, TP.
2. biological treatment stage: water outlet on last stage enters in UASB, carries out anaerobic reaction, can remove aqueous painting Expect most of organic matter in waste water；Sewage is discharged from the upper port of UASB, and boosted pump enters in the pond SBR, is equipped in this device Micro porous aeration head, it is aerobic to replace generation, further denitrogenation dephosphorizing with anaerobic processes；Be discharged the pond MBBR in be equipped with aeration and suspend Biomembrane can come into full contact with waste water, further degradation of organic substances matter, TN and TP.
3. the Treatment of Sludge stage: being separately added into lime, flocculation medicine in pH conditioning tank, coagulative precipitation tank and advanced oxidation pond A large amount of sediments of agent, Fenton reagent, generation are discharged into sludge concentration tank by mud discharging mouth, under the action of plate and frame filter press into Row dehydration, the filtrate of generation flow back into collecting-tank, mud cake outward transport；The sludge that other each units generate is discharged by spoil disposal pipeline Sludge concentration tank enters plate and frame filter press under the action of sludge pump and is dehydrated, and the filtrate of generation is back to conditioning tank, mud Cake outward transport.
The above is the embodiment of the present invention, does not limit the present invention, all in essence of the invention and appended claims Same replacement, the change and modification etc. that mind is done within the scope of, should all be included in the protection scope of the present invention.

Claims (3)

1.一种水性涂料废水处理装置，其特征在于：包括化学处理阶段、生物处理阶段、污泥处理阶段。化学处理阶段包括集水池、pH调节池、混凝沉淀池、高级氧化池；生物处理阶段包括UASB、SBR池、MBBR池；污泥处理阶段包括污泥浓缩池、污泥泵、板框压滤机。每个阶段的设备通过管路依次串联。1. A water-based paint wastewater treatment device, characterized in that: it comprises a chemical treatment stage, a biological treatment stage, and a sludge treatment stage. Chemical treatment stage includes water collection tank, pH adjustment tank, coagulation sedimentation tank, advanced oxidation tank; biological treatment stage includes UASB, SBR tank, MBBR tank; sludge treatment stage includes sludge thickening tank, sludge pump, plate and frame filter press machine. The equipment of each stage is connected in series through pipelines. 2.一种水性涂料废水处理装置，其特征在于：所述化学处理阶段采用混凝沉淀和高级氧化双重工艺处理水性涂料废水，废水首先进入pH调节池调节至8-10，之后进入混凝沉淀池，通过投加药剂使其与废水中的杂质结合形成絮凝体，依靠重力沉降至池底，上清液进入高级氧化池，投加Fenton试剂进一步降解废水中的杂质和有机物。2. A water-based paint wastewater treatment device, characterized in that: the chemical treatment stage adopts coagulation precipitation and advanced oxidation dual processes to treat water-based paint wastewater, and the wastewater first enters a pH adjustment tank to be adjusted to 8-10, and then enters coagulation precipitation. In the tank, by adding chemicals, it combines with the impurities in the wastewater to form flocs, which settle to the bottom of the tank by gravity, and the supernatant enters the advanced oxidation tank, where the Fenton reagent is added to further degrade the impurities and organic matter in the wastewater. 3.一种水性涂料废水处理装置，其特征在于：所述生物处理阶段采用UASB、SBR与MBBR相结合的工艺处理水性涂料废水，废水从UASB底部进入污泥床，经过厌氧反应水中有机物发酵成为沼气，沼气自反应器顶部导出，处理后的污水进入SBR，池中污水液位达到设定高度后，进行间歇性的曝气，降解污水中的有机物质，处理后的污水进入MBBR池，在MBBR池中设有曝气，使废水与悬浮的生物膜充分混合并反应，进一步降解有机物质、TN和TP。3. A water-based paint wastewater treatment device, characterized in that: the biological treatment stage adopts the combined process of UASB, SBR and MBBR to treat water-based paint wastewater, and the wastewater enters the sludge bed from the bottom of the UASB, and undergoes fermentation of organic matter in the anaerobic reaction water. It becomes biogas, which is exported from the top of the reactor, and the treated sewage enters the SBR. After the sewage level in the pool reaches the set height, intermittent aeration is performed to degrade the organic substances in the sewage, and the treated sewage enters the MBBR pool. Aeration is provided in the MBBR tank to fully mix and react the wastewater with the suspended biofilm, further degrading organic matter, TN and TP.
CN201710704293.5A 2017-08-16 2017-08-16 A kind of water paint wastewater treatment equipment Pending CN109422413A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113149374A (en) * 2021-05-27 2021-07-23 龙南县彩艺装饰材料厂 Water-based paint process water processing system

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Publication number Priority date Publication date Assignee Title
CN101708935A (en) * 2009-11-30 2010-05-19 天津市塘沽区鑫宇环保科技有限公司 Method for treating container washing wastewater
CN101759316A (en) * 2010-01-12 2010-06-30 广西博世科环保科技有限公司 Method for treating wastewater containing molasses alcohol
CN103102036A (en) * 2011-11-10 2013-05-15 中国石油化工股份有限公司 Cellulose ethanol production wastewater treatment method
US20130206692A1 (en) * 2010-10-28 2013-08-15 Shiwen Zhang Tanning wastewater treatment and recycling method based on nano-catalytic electrolysis technology and membrane technology
CN105731724A (en) * 2016-02-06 2016-07-06 天津科技大学 Treating and recycling method for offshore-platform high-salt domestic wastewater
CN105884154A (en) * 2016-06-29 2016-08-24 盐城工学院 Novel combined process for treating chemical wastewater
CN207361992U (en) * 2017-08-16 2018-05-15 天津科技大学 A kind of water paint wastewater treatment equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101708935A (en) * 2009-11-30 2010-05-19 天津市塘沽区鑫宇环保科技有限公司 Method for treating container washing wastewater
CN101759316A (en) * 2010-01-12 2010-06-30 广西博世科环保科技有限公司 Method for treating wastewater containing molasses alcohol
US20130206692A1 (en) * 2010-10-28 2013-08-15 Shiwen Zhang Tanning wastewater treatment and recycling method based on nano-catalytic electrolysis technology and membrane technology
CN103102036A (en) * 2011-11-10 2013-05-15 中国石油化工股份有限公司 Cellulose ethanol production wastewater treatment method
CN105731724A (en) * 2016-02-06 2016-07-06 天津科技大学 Treating and recycling method for offshore-platform high-salt domestic wastewater
CN105884154A (en) * 2016-06-29 2016-08-24 盐城工学院 Novel combined process for treating chemical wastewater
CN207361992U (en) * 2017-08-16 2018-05-15 天津科技大学 A kind of water paint wastewater treatment equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113149374A (en) * 2021-05-27 2021-07-23 龙南县彩艺装饰材料厂 Water-based paint process water processing system

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