CN204588793U - A kind of water circulation processing system of wet electrical dust precipitator - Google Patents

A kind of water circulation processing system of wet electrical dust precipitator Download PDF

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Publication number
CN204588793U
CN204588793U CN201520257526.8U CN201520257526U CN204588793U CN 204588793 U CN204588793 U CN 204588793U CN 201520257526 U CN201520257526 U CN 201520257526U CN 204588793 U CN204588793 U CN 204588793U
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water
section
processing system
tank
arranges
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CN201520257526.8U
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谢智宇
曾佑开
俞君伟
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YONKER ENVIRONMENTAL PROTECTION CO., LTD.
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Zhuhai Crin Green Equipment Manufacture Of Environmental Protection Co Ltd
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Abstract

The utility model provides a kind of water circulation processing system of wet electrical dust precipitator, comprise filtered water tank, be arranged on the Integral clarification tank that the circulation flushing pump of filtered water tank water outlet and collection are recycled the liquid that flushing pump ejects, the clear water spillway of Integral clarification tank is connected with the water inlet of filtered water tank; Circulation flushing pump discharge pipeline arranges several variable valve; Integral clarification tank is followed successively by buffering mixing section, coagulation section and settling section from entrance to outlet; Be provided with whipping device in buffering mixing section, and be connected with dosing unit; The pond body of coagulation section is divided into that several are mutually isolated and little that connects step by step, and settling section arranges the inclined pipe structrue be parallel to each other, and the angle of inclination of inclined tube is 45 ~ 60 degree.The utility model only arranges a filtered water tank, and all Sprayer Circulation water, make up water are all stored in this water tank; And cancel large wash-water pump, wet-pit, only retain circulation flushing pump, meet the different spray demand of different positions by valve regulated, thus enormously simplify flow process.

Description

A kind of water circulation processing system of wet electrical dust precipitator
Technical field
The utility model relates to wet electrical dust precipitator technical field, especially, relates to a kind of water circulation processing system of wet electrical dust precipitator.
Background technology
The at present both at home and abroad supporting water system more complicated of wet cottrell, in order to the use water of different zones in circulating collection electric precipitator, is provided with cyclic water tank and drain box treats the recirculated water that can circulate and the waste water that can not circulate with a certain discrimination.Also have part wet cottrell that water supply tank is set, and need to be equipped with water circulating pump, wet-pit, large wash-water pump and make-up pump respectively to each water tank.In theory, dust, the droplet of proparea collection are many, and the impurity concentration of proparea waste water is high, generally enters drain box; The dust that back zone is collected is few, and the impurity concentration of back zone waste water is low, generally enters cyclic water tank.
In lower tank tank field, after the recirculated water that drain box discharge section is collected, by unnecessary recirculated water overflow to cyclic water tank.This part recirculated water of coming from drain box overflow, the recirculated water collected with cyclic water tank, mixes, and is again sent to fly-ash separator inside and sprays, thus reach the water balance of system by water circulating pump.In spray chamber, the water that the technique such as anode spray, whole room spray, grid distributor spray of back zone uses is all from the process water supplemented, and rest part is taken to the recirculated water that water circulating pump is sent here, subregion not strict between the two.In addition, the impacts such as internal gas flow motion, the fluctuation of hydraulic pressure, the imbalance of electric field, in fact only have the cycle water energy of small part to realize difference to use and treat with a certain discrimination, cause the water quality of wet cottrell internal recycling water unsatisfactory, and then have influence on the working effect of wet cottrell.
In addition, existing system is in order to the concentration of suspended substance, chlorion, sulfate ion in controlled circulation water, the balance of keeping system, need constantly in the supporting water system of wet cottrell, to supplement a large amount of Fresh process water, discharge the equivalent waste water containing suspended substance, chlorion, sulfate ion simultaneously.This waste water can not directly discharge, and the difficulty directly recycled is comparatively large, needs to process further.Processing mode main at present for be discharged into sulfur removal technology water tank carry out diluting rear for desulfurization as spray water, or this waste water is used other places not high to water quality requirement.But for the aspect that water quality requirement is high, often cause a large amount of water wastes.
Utility model content
The utility model object is the water circulation processing system providing a kind of wet electrical dust precipitator, with the technical problem that the water quality solving wet cottrell internal recycling water is undesirable.
For achieving the above object, the utility model provides a kind of water circulation processing system of wet electrical dust precipitator, comprise filtered water tank, be arranged on the circulation flushing pump of described filtered water tank water outlet and collect the Integral clarification tank of the liquid ejected by described circulation flushing pump, the clear water spillway of described Integral clarification tank is connected with the water inlet of described filtered water tank;
Described circulation flushing pump discharge pipeline arranges several variable valve, controls the spouting of liquid of different zones in fly-ash separator respectively;
Described Integral clarification tank comprises three functional sections, is followed successively by buffering mixing section, coagulation section and settling section from entrance to outlet; Be provided with whipping device in described buffering mixing section, and be connected with dosing unit;
The pond body of described coagulation section uses the space bar of band opening to be divided into several little of connecting step by step, and each little arranges the entrance and exit that there is vertical direction difference of altitude, and described difference of altitude is not less than 1/2 of coagulation section pond height;
Described settling section arranges some inclined pipe structrues be parallel to each other, and the angle between described inclined tube and horizontal plane is 45 ~ 60 degree.
Preferably, the bottom of described settling section arranges mud valve or slush pump.
Preferably, described filtered water tank arranges water compensating valve.
Preferably, the pharmaceutical cpd in described dosing unit is alkali lye and weakly alkaline flocculant solution.
Preferably, the mass percentage of described alkali lye is 30-35%, and the mass percentage of weakly alkaline flocculant solution is 0.08-0.15%.
Preferably, each chemical feeding quantity of described dosing unit and the volume ratio of the interior total liquid of water circulation processing system are 1:1000.
The utility model has following beneficial effect:
The utility model does not arrange cyclic water tank, drain box and water supply tank simultaneously, only arranges a filtered water tank, and all Sprayer Circulation water, make up water are all stored in this water tank; And cancel large wash-water pump, wet-pit, only retain circulation flushing pump, by valve regulated, meet the different spray demand of different positions, thus enormously simplify flow process, saved cost.
The utility model is by means such as dosing, coagulation, clarification, spoil disposals, the waste water of collection is made again the clear water (pH value=6-9 that can be recycled, chlorine ion concentration <18000PPM, SS concentration <200PPM), and do not take outer row to process.This clear water can meet anode spray (pH value=4-10 simultaneously, chlorine ion concentration <20000PPM, SS concentration <800PPM), whole room spray, grid distributor spray (pH value=4-10, chlorine ion concentration <20000PPM, SS concentration <1000PPM) water quality requirement.System only need supplement extremely a small amount of process water can reach balance, thus reduces the dependency of system, has greatly saved resource.
Mud bottom settling pond is regularly discharged by mud valve or slush pump.When do not increase remove ion device, maximum chlorion, the sulfate ion concentration of the application's systemic circulation water are no more than 20000PPM.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment;
Wherein, 1, filtered water tank, 2, circulation flushing pump, 3, variable valve, 4, wet cottrell, 5, dosing unit, 6, Integral clarification tank, 61, buffering mixing section, 62, coagulation section, 63, settling section, 7, water compensating valve, 8, mud valve.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can limit according to claim and cover is implemented.
See Fig. 1, the essentially consist unit of the water circulation processing system of the utility model wet electrical dust precipitator is filtered water tank 1, is arranged on the circulation flushing pump 2 of filtered water tank 1 water outlet and collects the Integral clarification tank 6 being recycled the liquid that flushing pump 2 ejects, the clear water spillway of Integral clarification tank 6 is connected with the water inlet of filtered water tank 1, realizes water cycle.
The spray-water of filtered water tank 1 is sent through circulation flushing pump 2, three tunnels can be divided into: lead up to anode flushing pump, anode assemblies in fly-ash separator is cleaned, while positive plate is formed continuous moisture film, scrub bottom ash bucket to fly-ash separator by by electrodeposition to the dust on pole plate and droplet, and discharged by circulation loop; The cleaning of whole room is carried out to all internals such as fly-ash separator spray pipelines in one tunnel, and another road is rinsed grid distributor, and the waste water produced also enters bottom ash bucket, and is discharged by circulation loop.
Circulation flushing pump discharge pipeline arranges several variable valve, controls the spouting of liquid of different zones in fly-ash separator respectively, meet the cleaning requirement of different zones.
The waste water that circulation loop produces and the waste water that rinse spray pipeline produces flow to Integral clarification tank 6 under gravity.Integral clarification tank 6 is divided into three sections from entrance successively to outlet, and first paragraph is buffering mixing section 61, and second segment is coagulation section 62, and the 3rd section is settling section 63.
There is stirring in buffering mixing section 61, suspended substance sedimentation can not occur this section of indoor; Again because there is a constant volume, can buffering system backwater, ensure lift pump non-stop run.Buffering mixing section 61 is connected with dosing unit, and dosing is respectively alkali lye (mass percentage is 30-35%) and weakly alkaline flocculant solution (mass percentage is 0.08-0.15%).When pH in Circulating Water=4, during SS concentration=1500PPM, all by 1/1000 the adding of volume ratio of liquid total in water circulation processing system.
Dosing unit adds medicament in this section, and reactant is added, and water quality is adjusted at buffering mixing section 61, and part sulfurous gas etc. is oxidized to sulfate radical, and heavy metal ion and colloidal solid are all evenly dispersed in liquid, and pH value is adjusted to 6-9 by original 4-5.Optimum conditions is provided for there is flocculation reaction.Under the effect of lift pump, the waste water adding medicament is sent to coagulation section 62.Exert oneself because lift pump is constant, thus make the current continous-stable entering coagulation section 62 and settling section 63.
The pond body of coagulation section 62 by with opening several space bar be divided into little of some isolation, each little arranges a water inlet and a water outlet, and the distance of water inlet and water outlet is not less than 1/2 of pond height, and orientation is determined according to the layout of little.Current enter the entrance of adjacent little by the outlet of little, then connect successively step by step for some little.
Because the space bar place plane of described little and coagulation section water inlet and water outlet line exist certain angle, current are hindered, reducing speed, thus extend the residence time.Each little arranges the entrance and exit that there is difference of altitude, makes current through distance long as far as possible under pumping forces pushes, thus extends and the medicament reaction times.
Several little of this section forms tandem, and current seethe continuously successively, stir between these little, and the suspended substance generation chemical reaction in medicament and waste water also produces flocculation, forms large flocs unit gradually, for clarified separation provides condition.
Then under run by gravity effect, the waste water containing a large amount of flocs unit enters settling pond 63, and settling pond can be inclined tube or other forms of structure.Inclined tube filler requires that wetted perimeter is large, hydraulic radius is little, laminar flow regime good, generally selects hexagon to lead directly to the cellular organic materials of form.The angle of inclination (angle between inclined tube and horizontal plane) of inclined tube can be 45 ~ 60 degree, and vergence direction is consistent with water (flow) direction.Here waste water is separated, and flocs unit is assembled in a large number and precipitated under the effect of inclined tube or other hampers, and form mud in bottom, upper part then forms clear water, is overflowed by overflow groove.
Mud bottom settling pond 63 is regularly discharged by mud valve 8 or slush pump, enters sludge treatment section.Herein, suspended substance that flying dust is formed is cured in mud, and bring chlorion, sulfate ion in flue dust simultaneously and also enter thus in mud, the chlorion in system, sulfate ion can not infinitely raise.Therefore, when do not increase remove ion device, maximum chlorion, the sulfate ion concentration of the application's systemic circulation water are no more than 20000PPM.
The clear water water quality overflowed can meet the spray demand of fly-ash separator, directly enters filtered water tank and recycles, again because taking away a small amount of moisture in mud, so arrange water compensating valve 7 to supplement a small amount of process water on filtered water tank, to keep total Body Water constant.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (6)

1. the water circulation processing system of a wet electrical dust precipitator, it is characterized in that, comprise filtered water tank, be arranged on the circulation flushing pump of described filtered water tank water outlet and collect the Integral clarification tank of the liquid ejected by described circulation flushing pump, the clear water spillway of described Integral clarification tank is connected with the water inlet of described filtered water tank;
Described circulation flushing pump discharge pipeline arranges several variable valve, controls the spouting of liquid of different zones in fly-ash separator respectively;
Described Integral clarification tank comprises three functional sections, is followed successively by buffering mixing section, coagulation section and settling section from entrance to outlet; Be provided with whipping device in described buffering mixing section, and be connected with dosing unit;
The pond body of described coagulation section uses the space bar of band opening to be divided into several little of connecting step by step, and each little arranges the entrance and exit that there is vertical direction difference of altitude, and described difference of altitude is not less than 1/2 of coagulation section pond height;
Described settling section arranges some inclined pipe structrues be parallel to each other, and the angle between described inclined tube and horizontal plane is 45 ~ 60 degree.
2. the water circulation processing system of a kind of wet electrical dust precipitator according to claim 1, is characterized in that, the bottom of described settling section arranges mud valve or slush pump.
3. the water circulation processing system of a kind of wet electrical dust precipitator according to claim 1, is characterized in that, described filtered water tank arranges water compensating valve.
4. the water circulation processing system of a kind of wet electrical dust precipitator according to claim 1, is characterized in that, the pharmaceutical cpd in described dosing unit is alkali lye and weakly alkaline flocculant solution.
5. the water circulation processing system of a kind of wet electrical dust precipitator according to claim 4, is characterized in that, the mass percentage of described alkali lye is 30-35%, and the mass percentage of weakly alkaline flocculant solution is 0.08-0.15%.
6. the water circulation processing system of a kind of wet electrical dust precipitator according to claim 1, is characterized in that, the volume ratio of each chemical feeding quantity of described dosing unit and the interior total liquid of water circulation processing system is 1:1000.
CN201520257526.8U 2015-04-02 2015-04-23 A kind of water circulation processing system of wet electrical dust precipitator Active CN204588793U (en)

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CN2015201979029 2015-04-02
CN201520197902 2015-04-02
CN201520257526.8U CN204588793U (en) 2015-04-02 2015-04-23 A kind of water circulation processing system of wet electrical dust precipitator

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104787866A (en) * 2015-04-02 2015-07-22 珠海克林格林环保设备制造有限公司 Water circulation treatment system for wet electric dust collector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107082510A (en) * 2017-05-12 2017-08-22 浙江诸暨骏达环保设备有限公司 A kind of grey water circulation processing system of wet electrical dust precipitator

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CN100352773C (en) * 2006-01-20 2007-12-05 华南理工大学 Sewage treatment device and sewage treatment method with diatomite as flocculation core
JP4876006B2 (en) * 2007-03-27 2012-02-15 新日本製鐵株式会社 Water treatment system
CN101648086B (en) * 2009-09-02 2012-08-29 朱宁 Rapid precipitating method and rapid precipitating and separating device
CN103056031B (en) * 2012-12-31 2016-08-24 福建龙净环保股份有限公司 A kind of grey water circulation processing system of wet electrical dust precipitator
CN103288241B (en) * 2013-06-18 2014-09-10 上海晶宇环境工程有限公司 Waste water circulation cooling two-stage clarifying and softening system
CN203639273U (en) * 2013-12-25 2014-06-11 杭州天明环保工程有限公司 Circulating water treatment system of wet type dust remover
CN203845883U (en) * 2014-03-12 2014-09-24 长兴祥云中水回用有限公司 Textile wastewater coagulation inclined pipe combined settling pond
CN204588793U (en) * 2015-04-02 2015-08-26 珠海克林格林环保设备制造有限公司 A kind of water circulation processing system of wet electrical dust precipitator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104787866A (en) * 2015-04-02 2015-07-22 珠海克林格林环保设备制造有限公司 Water circulation treatment system for wet electric dust collector

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20151111

Address after: 410116, Changsha 199, Zhenhua Road, Yuhua District, Hunan, Hunan environmental protection science and Technology Industrial Park Innovation Center, third floor

Patentee after: HUNAN YONKER EAST DEDUSTING SYSTEM ENGINEERING CO., LTD.

Address before: 519030, No. 92, Twelfth storey office building, 156 Nanshan Road, Hengqin New District, Guangdong, Zhuhai

Patentee before: Zhuhai crin Green equipment manufacture of environmental protection company limited

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20161013

Address after: 410330 national biological medicine industry base of Changsha, Hunan, Liuyang (319 National Road)

Patentee after: YONKER ENVIRONMENTAL PROTECTION CO., LTD.

Address before: 410116, Changsha 199, Zhenhua Road, Yuhua District, Hunan, Hunan environmental protection science and Technology Industrial Park Innovation Center, third floor

Patentee before: HUNAN YONKER EAST DEDUSTING SYSTEM ENGINEERING CO., LTD.