CN109734249A - A kind of heavy-metal waste water treatment device - Google Patents
A kind of heavy-metal waste water treatment device Download PDFInfo
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- CN109734249A CN109734249A CN201910135399.7A CN201910135399A CN109734249A CN 109734249 A CN109734249 A CN 109734249A CN 201910135399 A CN201910135399 A CN 201910135399A CN 109734249 A CN109734249 A CN 109734249A
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Abstract
The invention belongs to technical field of sewage.Traditional heavy-metal waste water treatment device flexibility is low.For the problems of the prior art, the invention discloses a kind of heavy-metal waste water treatment devices, including being responsible for sequentially connected transhipment storage barrel by conveying, evaporative crystallization unit and biological carbon and phosphorous removal unit, conveying supervisor between transhipment storage barrel and evaporative crystallization unit is equipped with the first delivery branch pipe being arranged in parallel, second delivery branch pipe and third delivery branch pipe, first delivery branch pipe is equipped with the chromium for carrying out reduction treatment to chromate waste water and restores disposal unit, second delivery branch pipe is equipped with the Fenton oxidation unit that contact break processing is carried out to cupric nickel-containing waste water, third delivery branch pipe is equipped with the broken cyanide disposal unit that broken cyanide processing is carried out to cyanide wastewater, chromium restores disposal unit, Fenton oxidation unit, it is connected by connecting tube between broken cyanide disposal unit, valve is equipped in each delivery branch pipe and connecting tube.Apparatus of the present invention handle flexibility height, high treating effect.
Description
Technical field
The present invention relates to a kind of wastewater treatment equipments, and in particular to a kind of heavy-metal waste water treatment device belongs at sewage
Manage technical field.
Background technique
With the fast development of electronics industry and metallurgical industry, a large amount of electroplating wastewater is produced, such as restores class heavy metal
(Cr) waste water, complexing class heavy metal (Cu, Ni) waste water, metal zirconium production waste water etc..There are two types of existence forms in waste water for chromium: three
Valence chromium and Cr VI.Due to Cr VI with hypertoxicity and to environment have lasting risk, therefore, it is necessary to which Cr VI is given up
Water carries out reduction harmless treatment.Cupro-nickel exists usually in the form of complex state in waste water, and cupro-nickel complex compound is not easy and chemical drugs
Agent reacts removing, thus before being handled using conventional chemical processes cupro-nickel waste water firstly the need of to cupro-nickel waste water into
Row oxidation contact break processing.Metal zirconium production waste water is generally high cyanide containing wastewater, and cyanide is a kind of hypertoxic pollutant, to ring
Border harm is big, must be handled using broken cyanide before carrying out biochemical treatment.
Traditional heavy-metal waste water treatment device can only handle the heavy metal wastewater thereby of a certain single type, cannot be according to waste water
Type is targetedly handled, and flexibility is lower, and treatment effect is also to be improved.In addition, heavy metal wastewater thereby is being restored, is being broken
Largely dissolvable inorganic salts can be generated in network and broken cyanide treatment process, dissolvable salt is difficult to recycle, and will cause secondary dirt
Dye.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of heavy-metal waste water treatment device, the wastewater treatment equipment
Corresponding processing route can be switched to according to the type of handled waste water targetedly to be handled, flexibility is high, is applicable in
Range is wide.
To realize the above technical purpose, the technical scheme is that
A kind of heavy-metal waste water treatment device, including sequentially connected transhipment storage barrel, evaporative crystallization are responsible for by conveying
Unit and biological carbon and phosphorous removal unit, the conveying supervisor that transports between storage barrel and evaporative crystallization unit, which is equipped with, to be arranged in parallel
First delivery branch pipe, the second delivery branch pipe and third delivery branch pipe, the first delivery branch pipe, the second delivery branch pipe and third conveying branch
The first valve, the second valve and third valve are respectively equipped on pipe, the first delivery branch pipe is equipped with and restores to chromate waste water
The chromium of processing restores disposal unit, and the second delivery branch pipe is equipped with the Fenton oxidation list that contact break processing is carried out to cupric nickel-containing waste water
Member, third delivery branch pipe are equipped with the broken cyanide disposal unit that broken cyanide processing is carried out to cyanide wastewater, chromium reduction disposal unit,
It is connected by connecting tube between Fenton oxidation unit, broken cyanide disposal unit, is equipped with valve in connecting tube；The evaporative crystallization
Unit is used to be separated by solid-liquid separation waste water evaporation heating；The biological carbon and phosphorous removal unit is used to condense the waste water evaporated
Water carries out biological carbon and phosphorous removal processing.The present invention can be switched to according to the type of handled waste water corresponding processing route to
Targetedly heavy metal wastewater thereby is handled, flexibility is high, both can be used for the heavy metal wastewater thereby of different single types
Processing can be used for the processing of mixture-metal waste water, applied widely.In addition, the evaporation that the present invention is matched by setting
Crystalline element passes through steam heating steaming through chromium reduction disposal unit/Fenton oxidation unit/broken cyanide disposal unit treated waste water
Shampoo point, leaves crystal salt residue, and being completely separated for pollutant and water may be implemented, greatly improve the processing to heavy metal wastewater thereby
Effect.
Preferably, first valve, the second valve and third valve and valve are connected with controller.So
Automatic operation may be implemented in setting.
Preferably, the evaporative crystallization unit includes evaporation reaction kettle, condenser, hot steam condensation water collection pond
With bottoms collecting pit, the evaporation reaction kettle includes autoclave body, agitating device and evaporation board group；The autoclave body is outer shell
The double Shell constituted with inner shell forms an autoclave body cavity, opens in outer shell between outer shell and inner shell
Equipped with steam inlet and steam (vapor) outlet, steam (vapor) outlet is connected by pipeline with hot steam condensation water collection pond；The autoclave body top
Portion is equipped with evaporation mouth, and evaporation mouth is connected by evaporation tube with condenser, is equipped with ring pipe, ring on autoclave body top internal layer shell
Shape tube top portion is communicated with conveying supervisor, and annular bottom of the tube offers the inlet opening towards kettle body bottom, and the autoclave body bottom is set
There is sewage draining exit, blowdown valve is equipped at sewage draining exit, sewage draining exit is connected by blow-off line with bottoms collecting pit；The stirring dress
It sets for being stirred to the intracorporal liquid of kettle；The evaporation board group includes several first evaporation plates and several second evaporations
Plate, the first evaporation plate and the second evaporation plate are respectively arranged on the inner wall of autoclave body axis two sides, and each first evaporation plate and each second is steamed
Hair plate is vertically spaced apart, and the first evaporation plate is identical with the second evaporation plate structure, the fan-shaped body of the first evaporation plate, fan-shaped
Body surface portion outwardly protrudes to form arc convex, and evaporation cavity is equipped in the first evaporation plate, and evaporation cavity and autoclave body cavity connect
It is logical.The evaporation efficiency of evaporation reaction kettle can be improved by the structure of evaporation reaction kettle in design evaporative crystallization unit in the present invention,
Wherein, by improving the feeding manner of waste water, enter waste water in autoclave body with multipoint system, can effectively control local waste liquid and steam
It sends out too fast, prevents bumping phenomenon from occurring, the shape by improving evaporation plate can increase the heat exchange area of sewage and hot steam,
Heat exchanger effectiveness is improved to improve evaporation efficiency.
As further preferred scheme, each first evaporation plate and each second evaporation plate are arranged diagonally downward, and each
It is in herringbone between one evaporation plate and corresponding each second evaporation plate.The accumulation of pollutants that can be prevented in waste water is arranged such
The heat transfer efficiency of evaporation plate is influenced in evaporation plate.
As further preferred scheme, the agitating device includes agitating shaft and paddle, and the agitating shaft is vertically arranged,
One end of the mixing shaft is connected with the driving motor being arranged in outside autoclave body, and the agitating shaft other end protrudes into inside autoclave body and close to autoclave body bottom
Portion, the paddle are arranged on agitating shaft, and paddle includes cross bar and several stirring rods, wherein cross bar and agitating shaft bottom
End is connected, and the shape and autoclave body bottom shape of cross bar are adapted, and stirring rod is distributed along agitating shaft axially spaced-apart, each stirring rod difference
It is positioned adjacent to the top of each first evaporation plate and the second evaporation plate.The present invention can be improved by improving the structure of agitating device
Mixing effect makes waste water equably rapid evaporation, further increases evaporation efficiency.
Preferably, the chromium reduction disposal unit includes former by the sequentially connected chromium reduction of the first delivery branch pipe
Sink, pH adjustment tank I, chromium reduction reaction slot, coagulation tank, flocculation tank and precipitation tank.
Preferably, the Fenton oxidation unit includes passing through the sequentially connected coagulation raw water of the second delivery branch pipe
Slot, pH adjustment tank I, Fenton dosing tank, Fenton's reaction slot, coagulation tank, pH adjustment tank II, flocculation tank, precipitation tank and pH adjustment tank
III。
Preferably, the broken cyanide disposal unit includes passing through the sequentially connected broken cyanide raw water of third delivery branch pipe
Slot, level-one broken cyanide slot, second level broken cyanide slot, coagulation tank, flocculation tank and precipitation tank.
Preferably, the biological carbon and phosphorous removal unit successively includes total conditioning tank, anaerobic pond and aerobic tank.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is flow diagram when apparatus of the present invention are used for heavy metal containing wastewater treatment；
Fig. 3 is the structural schematic diagram of the evaporative crystallization unit in the present invention；
Fig. 4 is the structural schematic diagram of the ring pipe in the present invention；
Fig. 5 is the structural schematic diagram of the first evaporation plate in the present invention；
Fig. 6 is the structural schematic diagram of the first evaporation plate in the present invention；
Appended drawing reference:
001. transhipment 002. evaporative crystallization unit 100. of storage barrel evaporates 110. autoclave body of reaction kettle, 111. outer shell
1111. steam inlet, 1112. steam (vapor) outlet, 112. inner shell, 113. autoclave body cavity, 114. evaporation mouth, 1141. evaporation tube
115. 122. cross bar of ring pipe 1151. inlet opening, 116. blowdown valve, 117. blow-off line, 121. agitating shaft, 123. stirring rod
131. 1311. arc convex 1312. of the first evaporation plate evaporates 132. second evaporation plate of cavity, 200. condenser, 300. heat and steams
400. bottoms collecting pit of vapour condensation water collection pond, 003. biological carbon and phosphorous removal unit 004. conveying supervisor 410. first
It is fragrant that 411. first valve of delivery branch pipe, 412. chromium restores 420. second 421. second valve of delivery branch pipe of disposal unit 422.
Pause 430. third delivery branch pipe of oxidation unit, 431. third valve, 432. broken cyanide disposal unit, 440. connecting tube, 441. valve
Specific embodiment
In conjunction with Fig. 1 to Fig. 6, the specific embodiment that the present invention will be described in detail, but claim of the invention is not done
Any restriction.
As shown in Figures 1 to 6, a kind of heavy-metal waste water treatment device, including pass through 004 sequentially connected turn of conveying supervisor
Transport storage barrel 001, evaporative crystallization unit 002 and biological carbon and phosphorous removal unit 003；
Conveying supervisor 004 between the transhipment storage barrel 001 and evaporative crystallization unit 002 is equipped with the be arranged in parallel
One delivery branch pipe 410, the second delivery branch pipe 420 and third delivery branch pipe 430, the conveying of the first delivery branch pipe 410, second branch
The first valve 411, the second valve 421 and third valve 431, the first valve are respectively equipped on pipe 420 and third delivery branch pipe 430
411, the second valve 421 and third valve 431 are connected with controller, and first delivery branch pipe 410 is equipped with to useless containing chromium
Water carry out reduction treatment chromium restore disposal unit 412, chromium restore disposal unit 412 include by the first delivery branch pipe 410 according to
Chromium reduction raw water slot, pH adjustment tank I, chromium reduction reaction slot, coagulation tank, flocculation tank and the precipitation tank of secondary connection, described second is defeated
Branch pipe 420 is sent to be equipped with the Fenton oxidation unit 422 for carrying out contact break processing to cupric nickel-containing waste water, Fenton oxidation unit 422 wraps
It includes through the sequentially connected coagulation raw water slot of the second delivery branch pipe 420, pH adjustment tank I, Fenton dosing tank, Fenton's reaction slot, mix
Solidifying slot, pH adjustment tank II, flocculation tank, precipitation tank and pH adjustment tank III, the third delivery branch pipe 430 are equipped with to useless containing cyanogen
Water carries out the broken cyanide disposal unit 432 of broken cyanide processing, and broken cyanide disposal unit 432 includes successively being connected by third delivery branch pipe 430
Broken cyanide raw water slot, level-one broken cyanide slot, second level broken cyanide slot, coagulation tank, flocculation tank and the precipitation tank connect；The chromium restores disposal unit
412, it is connected by connecting tube 440 between Fenton oxidation unit 422, broken cyanide disposal unit 432, is equipped in connecting tube 440
The valve 441 being connected with controller；
The evaporative crystallization unit 002 is used to be separated by solid-liquid separation waste water evaporation heating；The evaporative crystallization unit 002
Including evaporation reaction kettle 100, condenser 200, hot steam condensation water collection pond 300 and bottoms collecting pit 400, the evaporation
Reaction kettle 100 includes autoclave body 110, agitating device and evaporation board group；
The autoclave body 110 is the double Shell that outer shell 111 and inner shell 112 are constituted, outer shell 111 and internal layer
An autoclave body cavity 113 is formed between shell 112, offers steam inlet 1111 and steam (vapor) outlet 1112 in outer shell 111,
Wherein, steam inlet 1111 and steam (vapor) outlet 1112 are located at 110 axis two sides of autoclave body and are located at 110 bottom of autoclave body and top
Portion, steam (vapor) outlet 1112 are connected by pipeline with hot steam condensation water collection pond 300；
Evaporation mouth 114 is offered at the top of the autoclave body 110, evaporation mouth 114 is connected by evaporation tube 1141 with condenser 200
It is logical, ring pipe 115 is installed on the 110 top internal layer shell of autoclave body, 115 top of ring pipe is connected with conveying supervisor 004,
115 bottom of ring pipe offers the inlet opening 1151 towards bottom in autoclave body 110, and 110 bottom of autoclave body is equipped with sewage draining exit, row
Blowdown valve 116 is equipped at dirty mouth, sewage draining exit is connected by blow-off line 117 with bottoms collecting pit 400；
The agitating device includes agitating shaft 121 and paddle, and the agitating shaft 121 is vertically arranged, 121 one end of agitating shaft
It is connected with the driving motor being arranged in outside autoclave body 110,121 other end of agitating shaft protrudes into the inside of autoclave body 110 and close to autoclave body 110
Bottom, the paddle are arranged on agitating shaft 121, and paddle includes cross bar 122 and several stirring rods, wherein cross bar 122
It is connected with 121 bottom end of agitating shaft, the shape and 110 bottom shape of autoclave body of cross bar 122 are adapted, and stirring rod is along 121 axis of agitating shaft
To being spaced apart, each stirring rod is horizontally disposed and is located at the upper of neighbouring each first evaporation plate 131 and the second evaporation plate 132
Side；
The evaporation board group includes several first evaporation plates 131 and several second evaporation plates 132, the first evaporation plate
131 and second evaporation plate 132 be respectively arranged on the inner wall of 110 axis two sides of autoclave body, each first evaporation plate 131 and it is each second evaporation
Plate 132 is vertically spaced apart and is arranged diagonally downward, each first evaporation plate 131 and corresponding each second evaporation plate
It is in herringbone between 132, the first evaporation plate 131 is identical with 132 structure of the second evaporation plate, the fan-shaped body of the first evaporation plate 131,
Segment surface portion outwardly protrudes to form arc convex 1311, and evaporation cavity 1312 is equipped in evaporation plate, evaporates cavity 1312
It is connected to autoclave body cavity 113；
The biological carbon and phosphorous removal unit 003 is used to carry out biological carbon and phosphorous removal processing to the waste water condensed water evaporated,
The biological carbon and phosphorous removal unit 003 successively includes total conditioning tank, anaerobic pond and aerobic tank.
The processing of different single type heavy metal wastewater therebies:
When the heavy metal wastewater thereby to be processed transported in storage barrel 001 is chromate waste water, the first valve 411 is opened, is closed
Valve in second valve 421, third valve 431 and each connecting tube 440, heavy metal wastewater thereby to be processed by conveying supervisor 004 into
Enter the first delivery pipe, through being evaporated processing in chromium reduction disposal unit 412 treated waste water is transported to evaporation reaction kettle；
The waste steam that evaporation reaction kettle evaporation issues is entered in condenser by evaporation tube, and condenser condenses the waste steam of evaporation
At condensed water, condensed water qualified discharge after the processing of biological carbon and phosphorous removal unit 003.
When the heavy metal wastewater thereby to be processed transported in storage barrel 001 is cupric nickel-containing waste water, the second valve 421 is opened,
The valve in the first valve 411, third valve 431 and each connecting tube 440 is closed, heavy metal wastewater thereby to be processed is responsible for by conveying
004 enters the second delivery pipe, through being evaporated place in treated waste water the is transported to evaporation reaction kettle of Fenton oxidation unit 422
Reason；The waste steam that evaporation reaction kettle evaporation issues is entered in condenser by evaporation tube, and condenser is by the waste steam of evaporation
It is condensed into condensed water, condensed water qualified discharge after the processing of biological carbon and phosphorous removal unit 003.
When the heavy metal wastewater thereby to be processed transported in storage barrel 001 is that metal zirconium produces waste water, third valve is opened
431, the valve in the first valve 411, the second valve 421 and each connecting tube 440 is closed, heavy metal wastewater thereby to be processed is led by conveying
Pipe 004 enters third delivery pipe, through being evaporated in treated waste water the is transported to evaporation reaction kettle of broken cyanide disposal unit 432
Processing；The waste steam that evaporation reaction kettle evaporation issues is entered in condenser by evaporation tube, and condenser steams the waste water of evaporation
Vapour is condensed into condensed water, condensed water qualified discharge after the processing of biological carbon and phosphorous removal unit 003.
The processing of mixed type heavy metal wastewater thereby:
When the heavy metal wastewater thereby to be processed in transhipment storage barrel 001 is mixed type heavy metal wastewater thereby such as cupric nickel chromium triangle waste water
When, open the valve between the first valve 411 and chromium reduction disposal unit 412 and Fenton oxidation unit 422 in connecting tube 440
Door closes the valve in the second valve 421, third valve 431 and other connecting tubes 440, and heavy metal wastewater thereby to be processed is by conveying
Supervisor 004 enters the first delivery pipe, and successively through chromium reduction disposal unit 412 processing and Fenton oxidation unit 422, that treated is useless
Water is transported in evaporation reaction kettle and is evaporated processing；The waste steam that reaction kettle evaporation issues is evaporated to enter by evaporation tube
In condenser, the waste steam of evaporation is condensed into condensed water by condenser, and condensed water is after the processing of biological carbon and phosphorous removal unit 003
Qualified discharge.
In conclusion the invention has the following advantages that
1. the present invention can switch to corresponding processing route according to the type of handled waste water to targetedly right
Heavy metal wastewater thereby is handled, and flexibility is high, and the processing that both can be used for the heavy metal wastewater thereby of different single types can also be used
It is applied widely in the processing of mixture-metal waste water.
2. the evaporative crystallization unit that the present invention is matched by setting restores 412/ Fenton oxidation unit of disposal unit through chromium
422/ broken cyanide disposal unit 432 treated waste water leaves crystal salt residue, dirt may be implemented by steam heating evaporation moisture
Dye object and water are completely separated, and greatly improve the treatment effect to heavy metal wastewater thereby.
3. the steaming of evaporation reaction kettle can be improved by the structure of evaporation reaction kettle in design evaporative crystallization unit in the present invention
Send out efficiency, wherein by the feeding manner of improvement waste water, enter waste water in autoclave body with multipoint system, it being capable of effective control office
Waste liquid evaporation in portion's is too fast, prevents bumping phenomenon from occurring, and the shape by improving evaporation plate can increase the heat of sewage and hot steam
Exchange area improves heat exchanger effectiveness to improve evaporation efficiency, and stirring effect can be improved in the structure by improving agitating device
Fruit makes waste water equably rapid evaporation, further increases evaporation efficiency.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments.Those skilled in the art should understand that still can be carried out to the present invention
Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of heavy-metal waste water treatment device, which is characterized in that including by conveying be responsible for sequentially connected transhipment storage barrel,
Evaporative crystallization unit and biological carbon and phosphorous removal unit, the conveying supervisor transported between storage barrel and evaporative crystallization unit are equipped with simultaneously
Join the first delivery branch pipe, the second delivery branch pipe and the third delivery branch pipe of setting, the first delivery branch pipe, the second delivery branch pipe and the
The first valve, the second valve and third valve are respectively equipped in three delivery branch pipes, the first delivery branch pipe is equipped with to chromate waste water
The chromium for carrying out reduction treatment restores disposal unit, and the second delivery branch pipe is equipped with the sweet smell that contact break processing is carried out to cupric nickel-containing waste water
Pause oxidation unit, and third delivery branch pipe is equipped with the broken cyanide disposal unit that broken cyanide processing is carried out to cyanide wastewater, the chromium reduction
Disposal unit, Fenton oxidation unit are connected by connecting tube between broken cyanide disposal unit, are equipped with valve in connecting tube；Institute
Evaporative crystallization unit is stated for being separated by solid-liquid separation to waste water evaporation heating；The biological carbon and phosphorous removal unit is used for evaporating
Waste water condensed water carry out biological carbon and phosphorous removal processing.
2. a kind of heavy-metal waste water treatment device as described in claim 1, which is characterized in that first valve, the second valve
Door and third valve and valve are connected with controller.
3. a kind of heavy-metal waste water treatment device as described in claim 1, which is characterized in that the evaporative crystallization unit includes
Evaporate reaction kettle, condenser, hot steam condensation water collection pond and bottoms collecting pit, the evaporation reaction kettle include autoclave body,
Agitating device and evaporation board group；The autoclave body is the double Shell that outer shell and inner shell are constituted, outer shell and internal layer
An autoclave body cavity is formed between shell, offers steam inlet and steam (vapor) outlet in outer shell, steam (vapor) outlet passes through pipeline
It is connected with hot steam condensation water collection pond；Evaporation mouth is equipped at the top of the autoclave body, evaporation mouth passes through evaporation tube and condenser phase
It is connected to, ring pipe is installed on autoclave body top internal layer shell, is communicated at the top of ring pipe with conveying supervisor, annular bottom of the tube offers
Towards the inlet opening of kettle body bottom, the autoclave body bottom is equipped with sewage draining exit, is equipped with blowdown valve at sewage draining exit, sewage draining exit passes through row
Dirty pipeline is connected with bottoms collecting pit；The agitating device is for being stirred the intracorporal liquid of kettle；The evaporation plate
Group includes several first evaporation plates and several second evaporation plates, and the first evaporation plate and the second evaporation plate are respectively arranged on autoclave body axis
On the inner wall of line two sides, each first evaporation plate and each second evaporation plate are vertically spaced apart, the first evaporation plate and second
Evaporation plate structure is identical, and the fan-shaped body of the first evaporation plate, segment surface portion outwardly protrudes to form arc convex, the first evaporation
Evaporation cavity is equipped in plate, evaporation cavity is connected to autoclave body cavity.
4. a kind of heavy-metal waste water treatment device as claimed in claim 3, which is characterized in that each first evaporation plate and each
Second evaporation plate is arranged diagonally downward, is in herringbone between each first evaporation plate and corresponding each second evaporation plate.
5. a kind of heavy-metal waste water treatment device as claimed in claim 3, which is characterized in that the agitating device includes stirring
Axis and paddle, the agitating shaft are vertically arranged, and one end of the mixing shaft is connected with the driving motor being arranged in outside autoclave body, agitating shaft
The other end protrudes into inside autoclave body and close to autoclave body bottom, and the paddle is arranged on agitating shaft, if paddle include cross bar and
Dry stirring rod, wherein cross bar is connected with agitating shaft bottom end, and the shape and autoclave body bottom shape of cross bar are adapted, stirring rod edge
The distribution of agitating shaft axially spaced-apart, each stirring rod are separately positioned on the top of neighbouring each first evaporation plate and the second evaporation plate.
6. a kind of heavy-metal waste water treatment device as claimed in claim 1 to 5, which is characterized in that the chromium also original place
Setting unit includes restoring raw water slot, pH adjustment tank I, chromium reduction reaction slot, coagulation by the sequentially connected chromium of the first delivery branch pipe
Slot, flocculation tank and precipitation tank.
7. a kind of heavy-metal waste water treatment device as claimed in claim 1 to 5, which is characterized in that the Fenton oxidation
Unit include by the sequentially connected coagulation raw water slot of the second delivery branch pipe, pH adjustment tank I, Fenton dosing tank, Fenton's reaction slot,
Coagulation tank, pH adjustment tank II, flocculation tank, precipitation tank and pH adjustment tank III.
8. a kind of heavy-metal waste water treatment device as claimed in claim 1 to 5, which is characterized in that the broken cyanide disposition
Unit includes passing through the sequentially connected broken cyanide raw water slot of third delivery branch pipe, level-one broken cyanide slot, second level broken cyanide slot, coagulation tank, wadding
Solidifying slot and precipitation tank.
9. a kind of heavy-metal waste water treatment device as claimed in claim 1 to 5, which is characterized in that the biological denitrificaion
Dephosphorization unit successively includes total conditioning tank, anaerobic pond and aerobic tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135399.7A CN109734249A (en) | 2019-02-22 | 2019-02-22 | A kind of heavy-metal waste water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910135399.7A CN109734249A (en) | 2019-02-22 | 2019-02-22 | A kind of heavy-metal waste water treatment device |
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|---|---|
| CN109734249A true CN109734249A (en) | 2019-05-10 |
Family
ID=66368150
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| CN201910135399.7A Pending CN109734249A (en) | 2019-02-22 | 2019-02-22 | A kind of heavy-metal waste water treatment device |
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| CN1142810A (en) * | 1993-11-23 | 1997-02-12 | 辛根 | Vaporizing and concentration drying apparatus and method |
| CN203043572U (en) * | 2012-08-06 | 2013-07-10 | 天津聚贤达科技有限公司 | Evaporator for evaporating easily-foamed material |
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| KR101628281B1 (en) * | 2015-07-10 | 2016-06-22 | (주)우광하이텍 | System for waste water trust management |
| CN106495403A (en) * | 2016-11-25 | 2017-03-15 | 惠州金茂源环保科技有限公司 | A kind of zero-emission treatment method for electroplating wastewater |
| CN107117676A (en) * | 2017-06-08 | 2017-09-01 | 江苏新奇环保有限公司 | A kind of low temperature and high concentration sewage disposal vaporization chamber |
| CN107840509A (en) * | 2017-09-26 | 2018-03-27 | 上海晶宇环境工程股份有限公司 | Electroplating waste processing process and its special purpose device |
| CN108358387A (en) * | 2018-03-07 | 2018-08-03 | 武汉东川自来水科技开发有限公司 | A kind of electroplating waste water treatment system and method |
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2019
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1142810A (en) * | 1993-11-23 | 1997-02-12 | 辛根 | Vaporizing and concentration drying apparatus and method |
| CN203043572U (en) * | 2012-08-06 | 2013-07-10 | 天津聚贤达科技有限公司 | Evaporator for evaporating easily-foamed material |
| KR101628281B1 (en) * | 2015-07-10 | 2016-06-22 | (주)우광하이텍 | System for waste water trust management |
| CN105439386A (en) * | 2015-12-30 | 2016-03-30 | 北京清大国华环境股份有限公司 | Advanced treatment method and device of hazardous waste physical and chemical treatment unit |
| CN106495403A (en) * | 2016-11-25 | 2017-03-15 | 惠州金茂源环保科技有限公司 | A kind of zero-emission treatment method for electroplating wastewater |
| CN107117676A (en) * | 2017-06-08 | 2017-09-01 | 江苏新奇环保有限公司 | A kind of low temperature and high concentration sewage disposal vaporization chamber |
| CN107840509A (en) * | 2017-09-26 | 2018-03-27 | 上海晶宇环境工程股份有限公司 | Electroplating waste processing process and its special purpose device |
| CN108358387A (en) * | 2018-03-07 | 2018-08-03 | 武汉东川自来水科技开发有限公司 | A kind of electroplating waste water treatment system and method |
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Application publication date: 20190510 |