CN206872593U - System for processing chrome-containing wastewater - Google Patents

System for processing chrome-containing wastewater Download PDF

Info

Publication number
CN206872593U
CN206872593U CN201720306486.0U CN201720306486U CN206872593U CN 206872593 U CN206872593 U CN 206872593U CN 201720306486 U CN201720306486 U CN 201720306486U CN 206872593 U CN206872593 U CN 206872593U
Authority
CN
China
Prior art keywords
containing wastewater
processing chrome
solid
wastewater according
sedimentation basin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201720306486.0U
Other languages
Chinese (zh)
Inventor
余章军
余爱霞
马立军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Xihai Environmental Protection Technology Co., Ltd.
Original Assignee
Fujian Sunyu Sanitary Ware Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Sunyu Sanitary Ware Technology Co Ltd filed Critical Fujian Sunyu Sanitary Ware Technology Co Ltd
Priority to CN201720306486.0U priority Critical patent/CN206872593U/en
Application granted granted Critical
Publication of CN206872593U publication Critical patent/CN206872593U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Physical Water Treatments (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

The utility model discloses a kind of system for processing chrome-containing wastewater, including pH regulating reservoirs, filter, resin anion (R.A.) exchange system, tank, the solid-liquid separation system being sequentially communicated；The delivery port of the resin anion (R.A.) exchange system connects with the tank, and the stripping liquid outlet of the resin anion (R.A.) exchange system has stripping liquid reservoir, and the stripping liquid reservoir is communicated with evaporation concentration device.System for processing chrome-containing wastewater of the present utility model can be effectively to Cr6+Separating treatment is carried out, by evaporation concentration device to containing Cr6+Waste water be evaporated concentration, obtain Na2CrO7Crystal is recycled, and has the advantages of simple in construction, treatment effeciency is high, treatment effect is good.

Description

System for processing chrome-containing wastewater
Technical field
Technical field of waste water processing is the utility model is related to, in particular to a kind of system for processing chrome-containing wastewater.
Background technology
The source of electroplating wastewater is generally：(1) plating piece rinse water；(2) spent plating bath；(3) other waste water, including wash away car Between ground, scrub pole plate wash water, ventilation equipment condensed water, and due to coating bath seepage or operational administrative it is improper caused by " run, Emit, drip, leak " various tank liquors and draining；(4) component cooling water, cooling water in use except temperature raise in addition to, not by To pollution.Process conditions, produce load, operational administrative and water use model that water quality, the water of electroplating wastewater produce with plating etc. Factor is relevant.The water quality of electroplating wastewater is complicated, and composition is difficult to control, wherein containing the heavy metals such as chromium, cadmium, nickel, copper, zinc, gold, silver Ion and cyanide etc., some belong to carcinogenic, teratogenesis, mutagenic extremely toxic substance.
Chromate waste water is most common one kind in electroplating wastewater, and chromate waste water main component is sulfuric acid and Cr6+, in addition to it is few Other metal ions such as Cu of amount2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Etc. one or more impurity.It is however, existing Some system for processing chrome-containing wastewater are complicated, and processing operating efficiency is low, poor processing effect, it is impossible to efficiently to Cr6+Divided From processing, and consumption is artificial, automaticity is low, and service life is short.Therefore, it is necessary to current system for processing chrome-containing wastewater It is improved.
Utility model content
In view of this, a kind of system for processing chrome-containing wastewater provided by the utility model, above-mentioned existing skill is preferably overcome The problem of art is present and defect, can be effectively to Cr6+Carry out separating treatment, have it is simple in construction, treatment effeciency is high, treatment effect The advantages of good.
A kind of system for processing chrome-containing wastewater, including the pH regulating reservoirs, filter, the resin anion (R.A.) that are sequentially communicated exchange system System, tank, solid-liquid separation system；
The delivery port of the resin anion (R.A.) exchange system connects with the tank, the resin anion (R.A.) exchange system Stripping liquid outlet have stripping liquid reservoir, the stripping liquid reservoir is communicated with evaporation concentration device.
Further, in addition to effluent storage pond, the effluent storage pond are connected by suction pump with the pH regulating reservoirs.
Further, the solid-liquid separation system include be sequentially communicated precipitation reaction pond, concentration film device, sedimentation basin, Collecting pit；The concentrated water spout of the concentration film device connects with the sedimentation basin, and the sludge outlet of the sedimentation basin is communicated with centrifugation Machine or filter press, the clean water outlet of the concentration film device and the delivery port of the sedimentation basin connect with the collecting pit, described The sludge outlet of centrifuge or filter press is communicated with calcining furnace.
Further, the solid-liquid separation system also includes the chemicals dosing plant connected with the precipitation reaction pond, described to add Medicine device is used to add alkaline matter to the precipitation reaction pond.
Further, the precipitation reaction pond is provided with pH monitoring devices, and the pH monitoring devices connect with the chemicals dosing plant Connect.
Further, the solid-liquid separation system also includes the nanofiltration-micro-filtration combination unit connected with the collecting pit, institute The delivery port for stating nanofiltration-micro-filtration combination unit is communicated with clear water reserviors, the sludge outlet of the nanofiltration-micro-filtration combination unit with it is described Sedimentation basin connects.
Further, the sedimentation basin is connected by sludge reservoir with the centrifuge or filter press；The centrifuge or The delivery port of filter press connects with the concentration film device.
Further, the resin anion (R.A.) exchange system includes some resin anion (R.A.) exchangers.
Further, it is provided with removing sodium post between the stripping liquid reservoir and the evaporation concentration device.
Further, it is provided with reservoir between the removing sodium post and the evaporation concentration device.
Compared with prior art, the beneficial effect of system for processing chrome-containing wastewater of the present utility model is：
(1), system for processing chrome-containing wastewater of the present utility model by using resin anion (R.A.) exchange system effectively by Cr6+With Other metal ions such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Separated etc. one or more impurity, Ran Houtong Solid-liquid separation system is crossed to containing other metal ions such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Deng a kind of or more The waste water of kind impurity carries out separation of solid and liquid processing, by evaporation concentration device to containing Cr6+Stripping liquid be evaporated concentration, obtain Na2CrO7Crystal is recycled, and treatment effeciency is high, and treatment effect is good.
(2), further, solid-liquid separation system of the present utility model by make in precipitation reaction pond the metal in waste water from Son precipitates with generation precipitation reaction generations such as alkaline matter such as sodium hydroxides, then is concentrated by concentration film device, makes precipitation particle Concentration aggregation thickening increase, accelerate precipitation, then separation of solid and liquid is carried out in sedimentation basin, the clear water collected in collecting pit passes through setting again After nanofiltration-micro-filtration combination unit carries out micro-filtration and nanofiltration double filtration, the micro tiny solid in clear water can be more thoroughly removed Suspension, the sediment being filtrated to get is drained into sedimentation basin in batches reprocesses, and the sediment in sedimentation basin is through centrifuge or pressure Filter is dehydrated, and obtained solid slag is without organic impurities such as PAC, PAM, and moisture content is relatively low, then by calcining furnace Calcination processing, obtained metal oxide and other compounds can not only recycle, and realize zero pollutant discharge, have Effect reduces Treatment of Sludge cost and load, and solves the problems, such as the wasting of resources, and greatly reduces being produced into for enterprise This, has very big social and economic benefit.
(3), further, solid-liquid separation system of the present utility model is by setting pH monitoring devices real in precipitation reaction pond When monitor reaction tank in pH value, and according to corresponding pH value control chemicals dosing plant Automatic Dosing, make the system automation degree It is high, safe for operation, stably, simple to operate, management is convenient and treatment effect is more preferable.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the first structural representation of system for processing chrome-containing wastewater of the present utility model；
Fig. 2 is second of structural representation of system for processing chrome-containing wastewater of the present utility model；
Fig. 3 is the third structural representation of solid-liquid separation system of the present utility model.
Drawing reference numeral explanation：
1- system for processing chrome-containing wastewater；100- effluent storages pond；200- suction pumps；300-pH regulating reservoirs；400- filtering dresses Put；500- resin anion (R.A.) exchangers；600- tanks；700- solid-liquid separation systems；701- precipitation reaction pond；7011- dosings Device；7012-pH monitoring devices；702- concentrates film device；703- sedimentation basins；704- collecting pits；705- nanofiltrations-micro-filtration combination dress Put；706- clear water reserviors；707- sludge reservoirs；708- centrifuges or filter press；709- calcining furnaces；800- stripping liquid reservoirs；900- Evaporation concentration device；900A- removing sodium posts；900B- reservoirs.
Embodiment
For the ease of understanding the utility model, system for processing chrome-containing wastewater is carried out more comprehensively below with reference to relevant drawings Description.The preferred embodiment of system for processing chrome-containing wastewater is given in accompanying drawing.But system for processing chrome-containing wastewater can be with perhaps More different form is realized, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is to make To the disclosure more thorough and comprehensive of system for processing chrome-containing wastewater.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ", The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on Orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction or dark Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right Limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that referring to Show or imply relative importance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.
In description of the present utility model, unless otherwise prescribed with restriction, it is necessary to explanation, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be the company of mechanical communication or electric connection or two element internals It is logical, can be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can To understand the concrete meaning of above-mentioned term as the case may be.
Refering to Fig. 1 and Fig. 2, the utility model provides a kind of system for processing chrome-containing wastewater 1, including the pH being sequentially communicated is adjusted Save pond 300, filter 400, resin anion (R.A.) exchange system, tank 600, solid-liquid separation system 700.
The delivery port of the resin anion (R.A.) exchange system connects with the tank 600, and the resin anion (R.A.) exchanges The stripping liquid outlet of system has stripping liquid reservoir 800, and the stripping liquid reservoir 800 is communicated with evaporation concentration device 900.
It is to be appreciated that the filter 400 is used to filter out the impurity such as the solid particulate matter in chromate waste water, keep away Exempt from the absorption property of anion exchange resin in influence postorder resin anion (R.A.) exchange system.The filter 400 can be enumerated For quartz filter, active carbon filter, ceramic filter, more medium filter or fabric filter etc..
It should be noted that resin anion (R.A.) exchange system includes regenerating unit (not shown).The moon of the present utility model By the way that resin anion (R.A.) is loaded in resin anion (R.A.) exchanger 500 in ion exchange resin exchange system, for adsorbing Cr6+, from And by Cr6+With other metal ions such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Separated etc. one or more impurity Open.Cr is adsorbed6+Anion exchange resin enters regenerating unit by desorption and regenerative process, makes resin regeneration, what is obtained contains Cr6+Stripping liquid by stripping liquid outlet be drained into stripping liquid reservoir 800；And such as Cu containing other metal ions2+、Ni2+、Co2 +、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Waste water etc. one or more impurity is discharged into tank 600 by delivery port.
It is understood that the solid-liquid separation system 700 is used to be discharged into tank 600 to contain other metal ions Such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Waste water etc. one or more impurity carries out separation of solid and liquid.
Preferably, system for processing chrome-containing wastewater 1 of the present utility model also includes effluent storage pond 100, the effluent storage Pond 100 is connected by suction pump 200 with the pH regulating reservoirs 300.
Preferably, as shown in figure 3, in the utility model embodiment, the solid-liquid separation system 700 includes what is be sequentially communicated Precipitation reaction pond 701, concentration film device 702, sedimentation basin 703, collecting pit 704；The concentrated water spout of the concentration film device 702 and institute State sedimentation basin 703 to connect, the sludge outlet of the sedimentation basin 703 is communicated with centrifuge or filter press 708, the concentration film device The delivery port of 702 clean water outlet and the sedimentation basin 703 connects with the collecting pit 704, the centrifuge or filter press 708 Sludge outlet be communicated with calcining furnace 709.
By the way that other metal ions such as Cu will be contained in above-mentioned precipitation reaction pond 7012+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、 Cr3+、Ca2+PH value etc. the waste water of one or more impurity is adjusted into certain limit, while utilizes alkaline matter and other gold Belong to ion such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Sunk Deng one or more reaction generation metal hydroxides Form sediment, to remove other metal ions such as Cu in waste water2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Etc. one or more Impurity.The alkaline matter is preferably sodium hydroxide, and certain alkaline matter can also be enumerated as lime or lime and sodium hydroxide Mixture etc..Specific reaction can be listed below：
Cu2++2OH-=Cu (OH)2↓；
Ni2++2OH-=Ni (OH)2↓。
Preferably, the solid-liquid separation system 700 also includes the chemicals dosing plant connected with the precipitation reaction pond 701 7011, the chemicals dosing plant 7011 is used to add alkaline matter to the precipitation reaction pond 701.
Preferably, the precipitation reaction pond 701 is provided with pH monitoring devices 7012, and the pH monitoring devices 7012 add with described Medicine device 7011 connects.
It should be noted that the pH monitoring devices 7012 are used to monitor the pH value in precipitation reaction pond 701 in real time, and root Start or stop to add alkaline matter according to corresponding pH value control chemicals dosing plant 7011.
Preferably, the solid-liquid separation system 700 of the utility model embodiment also includes receiving with what the collecting pit 704 connected Filter-micro-filtration combination unit 705, the delivery port of the nanofiltration-micro-filtration combination unit 705 are communicated with clear water reserviors 706, and the nanofiltration- The sludge outlet of micro-filtration combination unit 705 connects with the sedimentation basin 703.
It should be noted that the solid-liquid separation system 700 of the utility model embodiment is by setting nanofiltration-micro-filtration combination dress After 705 are put by micro-filtration and nanofiltration double filtration, can more thoroughly it remove micro tiny in the clear water collected in collecting pit 704 Solid suspension, the sediment being filtrated to get are drained into sedimentation basin 703 and reprocessed in batches, and filter water is discharged into clear water reserviors 706, It is recycled.
Preferably, the sedimentation basin 703 is connected by sludge reservoir 707 with the centrifuge or filter press 708；It is described from The delivery port of scheming or filter press 708 connects with the concentration film device 702.
It is to be appreciated that above-mentioned sludge reservoir 707 is used for the sludge that the sludge outlet in settlement on storage pond 703 is discharged, and Run up to it is a certain amount of after be conveyed to centrifuge or filter press 708 carries out being dehydrated separation and avoids sedimentation basin 703 from intermittently providing Sludge influences the service life of centrifuge or filter press 708 to centrifuge or filter press 708.
The solid-liquid separation system 700 of the utility model embodiment through centrifuge or filter press 708 by that will carry out dehydration point The Sewage treatment obtained from after is realized the secondary recovery processing of the waste water and utilized, it is dirty to reduce discharge to concentration film device 702 Dye.
Preferably, the resin anion (R.A.) exchange system includes some resin anion (R.A.) exchangers 500.Can be according to actual need The chromate waste water treating capacity of processing is arranged to 2 or 3 resin anion (R.A.) exchangers 500 in parallel or series etc., makes Cr6+With it Its metal ion such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Opened etc. one or more separated from impurities.It is preferred that Ground, in the utility model embodiment, the resin anion (R.A.) exchange system includes the resin anion (R.A.) exchangers 500 of 2 series connection.
Preferably, removing sodium post 900A is provided between the stripping liquid reservoir 800 and the evaporation concentration device 900.
Preferably, it is provided with reservoir 900B between the removing sodium post 900A and the evaporation concentration device 900.
Contain Cr it is to be appreciated that being discharged into stripping liquid reservoir 8006+The Main Ingredients and Appearance of stripping liquid be Na2CrO7, because By setting removing sodium post 900A to carry out removing sodium after stripping liquid reservoir 800 in this utility model embodiment, CrO is changed into3It is molten Liquid, production line reuse is returned to after being then concentrated to certified concentration by evaporation concentration device 900.
The technological process of system for processing chrome-containing wastewater 1 of the present utility model is：
As shown in figure 1, the chromate waste water in effluent storage pond 100 is pumped into pH regulating reservoirs 300 by suction pump 200, PH to less than 6.0 is adjusted, is filtered by filter 400, is removed impurity, the filtered fluids such as the solid particulate matter in chromate waste water and pass through again The resin anion (R.A.) exchanger 500 for crossing two series connection carries out ion exchange, by the Cr in waste water6+With other metal ions such as Cu2 +、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Separated etc. one or more impurity.Cr is adsorbed6+Anion exchange tree Fat passes through desorption and regeneration process, and what is obtained contains Cr6+Stripping liquid by stripping liquid outlet be drained into stripping liquid reservoir 800；And Containing other metal ions such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Waste water etc. one or more impurity passes through Delivery port is discharged into tank 600.It is drained into stripping liquid reservoir 800 and contains Cr6+Waste water directly pass through evaporation concentration device 900 In be evaporated concentration, produce Na2CrO7Crystal is recycled.As shown in Fig. 2 stripping liquid storage can also be discharged into Contain Cr in pond 8006+Waste water after removing sodium post 900A removing sodiums, change into CrO3Solution is discharged into reservoir 900B, finally by Evaporation concentration device 900 returns to production line reuse after being concentrated to certified concentration.
As shown in figure 3, such as Cu containing other metal ions being discharged into tank 6002+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、 Cr3+、Ca2+Waste water etc. one or more impurity carries out separation of solid and liquid by solid-liquid separation system 700, first passes through precipitation reaction The reaction of pond 701 generation precipitate metal hydroxides, then concentrated by concentration film device 702, make precipitate metal hydroxides particle Concentration aggregation thickening increase；Subsequently into separation of solid and liquid is carried out in sedimentation basin 703, obtained supernatant passes through sedimentation basin 703 Delivery port is discharged in collecting pit 704；Sediment is discharged in sludge reservoir 707 by the sludge outlet of sedimentation basin 703, treats that sludge is store Sludge quantity in pond 707 reaches a certain amount of, is extracted into centrifuge through sludge pump (not shown) or filter press 708 carries out dehydration point From obtained Sewage treatment continues after-treatment into concentration film device 702, obtained solid slag automatic transport to calcining furnace Calcination processing is intermittently carried out after direct high-temperature calcination or placement in 709, obtains metal oxide and the mixture of compound, most Metal oxide and the mixture of compound are recycled afterwards.And the supernatant collected in collecting pit 704 is again by nanofiltration-micro- Filter combination unit 705 further removes the micro tiny solid suspension in the supernatant collected in collecting pit 704, filters To sediment be drained into batches in sedimentation basin 703 and continue after-treatment, filter water is discharged into clear water reserviors 706 and recycled.
In summary, the beneficial effect of system for processing chrome-containing wastewater of the present utility model is：
(1), system for processing chrome-containing wastewater of the present utility model by using resin anion (R.A.) exchange system effectively by Cr6+With Other metal ions such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Separated etc. one or more impurity, Ran Houtong Solid-liquid separation system is crossed to containing other metal ions such as Cu2+、Ni2+、Co2+、Fe3+、Zn2+、Fe2+、Cr3+、Ca2+Deng a kind of or more The waste water of kind impurity carries out separation of solid and liquid processing, by evaporation concentration device to containing Cr6+Stripping liquid be evaporated concentration, obtain Na2CrO7Crystal is recycled, and treatment effeciency is high, and treatment effect is good.
(2), further, solid-liquid separation system of the present utility model by make in precipitation reaction pond the metal in waste water from Son precipitates with generation precipitation reaction generations such as alkaline matter such as sodium hydroxides, then is concentrated by concentration film device, makes precipitation particle Concentration aggregation thickening increase, accelerate precipitation, then separation of solid and liquid is carried out in sedimentation basin, the clear water collected in collecting pit passes through setting again After nanofiltration-micro-filtration combination unit carries out micro-filtration and nanofiltration double filtration, the micro tiny solid in clear water can be more thoroughly removed Suspension, the sediment being filtrated to get is drained into sedimentation basin in batches reprocesses, and the sediment in sedimentation basin is through centrifuge or pressure Filter is dehydrated, and obtained solid slag is without organic impurities such as PAC, PAM, and moisture content is relatively low, then by calcining furnace Calcination processing, obtained metal oxide and other compounds can not only recycle, and realize zero pollutant discharge, have Effect reduces Treatment of Sludge cost and load, and solves the problems, such as the wasting of resources, and greatly reduces being produced into for enterprise This, has very big social and economic benefit.
(3), further, solid-liquid separation system of the present utility model is by setting pH monitoring devices real in precipitation reaction pond When monitor reaction tank in pH value, and according to corresponding pH value control chemicals dosing plant Automatic Dosing, make the system automation degree It is high, safe for operation, stably, simple to operate, management is convenient and treatment effect is more preferable.
Although more above used the term for representing structure, such as " precipitation reaction pond ", " concentration film device ", " pH prisons Survey device " etc., but it is not precluded from the possibility using other terms.Using these terms just for the sake of more easily description and Explain essence of the present utility model；Being construed as any additional limitation is disagreed with the utility model spirit 's.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses Or replace, it should all cover within the scope of protection of the utility model.

Claims (10)

  1. A kind of 1. system for processing chrome-containing wastewater, it is characterised in that：Including pH regulating reservoirs, filter, the anion being sequentially communicated Resins exchange system, tank, solid-liquid separation system；
    The delivery port of the resin anion (R.A.) exchange system connects with the tank, the solution of the resin anion (R.A.) exchange system Imbibition outlet has stripping liquid reservoir, and the stripping liquid reservoir is communicated with evaporation concentration device.
  2. 2. system for processing chrome-containing wastewater according to claim 1, it is characterised in that：Also include effluent storage pond, it is described useless Water storage pool is connected by suction pump with the pH regulating reservoirs.
  3. 3. system for processing chrome-containing wastewater according to claim 1, it is characterised in that：The solid-liquid separation system is included successively The precipitation reaction pond of connection, concentration film device, sedimentation basin, collecting pit；The concentrated water spout and the sedimentation basin of the concentration film device Connection, the sludge outlet of the sedimentation basin are communicated with centrifuge or filter press, the clean water outlet of the concentration film device and described heavy The delivery port in shallow lake pond connects with the collecting pit, and the sludge outlet of the centrifuge or filter press is communicated with calcining furnace.
  4. 4. system for processing chrome-containing wastewater according to claim 3, it is characterised in that：The solid-liquid separation system also include with The chemicals dosing plant of the precipitation reaction pond connection, the chemicals dosing plant are used to add alkaline matter to the precipitation reaction pond.
  5. 5. system for processing chrome-containing wastewater according to claim 4, it is characterised in that：The precipitation reaction pond monitors provided with pH Device, the pH monitoring devices are connected with the chemicals dosing plant.
  6. 6. system for processing chrome-containing wastewater according to claim 3, it is characterised in that：The solid-liquid separation system also include with The nanofiltration of the collecting pit connection-micro-filtration combination unit, the delivery port of the nanofiltration-micro-filtration combination unit are communicated with clear water reserviors, The sludge outlet of the nanofiltration-micro-filtration combination unit connects with the sedimentation basin.
  7. 7. system for processing chrome-containing wastewater according to claim 3, it is characterised in that：The sedimentation basin by sludge reservoir with Centrifuge or the filter press connection；The delivery port of the centrifuge or filter press connects with the concentration film device.
  8. 8. system for processing chrome-containing wastewater according to claim 1, it is characterised in that：The resin anion (R.A.) exchange system bag Include some resin anion (R.A.) exchangers.
  9. 9. system for processing chrome-containing wastewater according to claim 1, it is characterised in that：The stripping liquid reservoir and the evaporation Removing sodium post is provided between enrichment facility.
  10. 10. system for processing chrome-containing wastewater according to claim 9, it is characterised in that：The removing sodium post and the evaporation are dense Reservoir is provided between compression apparatus.
CN201720306486.0U 2017-03-27 2017-03-27 System for processing chrome-containing wastewater Active CN206872593U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720306486.0U CN206872593U (en) 2017-03-27 2017-03-27 System for processing chrome-containing wastewater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720306486.0U CN206872593U (en) 2017-03-27 2017-03-27 System for processing chrome-containing wastewater

Publications (1)

Publication Number Publication Date
CN206872593U true CN206872593U (en) 2018-01-12

Family

ID=61327341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720306486.0U Active CN206872593U (en) 2017-03-27 2017-03-27 System for processing chrome-containing wastewater

Country Status (1)

Country Link
CN (1) CN206872593U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106800352A (en) * 2017-03-27 2017-06-06 福建欣宇卫浴科技股份有限公司 System for processing chrome-containing wastewater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106800352A (en) * 2017-03-27 2017-06-06 福建欣宇卫浴科技股份有限公司 System for processing chrome-containing wastewater
WO2018177221A1 (en) * 2017-03-27 2018-10-04 福建欣宇卫浴科技股份有限公司 Treatment system for wastewater containing chromium

Similar Documents

Publication Publication Date Title
CN106800352A (en) System for processing chrome-containing wastewater
CN106830489A (en) System for processing chrome-containing wastewater
CN102603097A (en) Advanced treatment and recycling process for wastewater containing heavy metal ions
CN103539283B (en) Comprehensive treatment method for removing Sb and Bi impurities in Cu electrolyte
CN103539294B (en) Reclaim the method for silver-plated waste water and silver
CN101269871A (en) Method for processing chrome wastewater
CN103151088A (en) Composite flocculating agent for processing radioactive elements iron, cobalt, manganese and silver in nuclear waste water and processing method
CN206512017U (en) A kind of heavy metal in electroplating wastewater stably reaching standard exhaust system
CN104229906B (en) The method and apparatus of the nickel-containing waste water preparation plating level single nickel salt utilizing surface treatment process to produce
CN102336481A (en) Process for reclaiming copper and nickel from electroplating rinse waste water and implementing zero discharge of waste water
CN106830441A (en) Solid-liquid separation system
CN201512599U (en) Equipment for recovering metallic copper or nickel from electroplating rinse water
CN204803171U (en) Electroplating wastewater treatment device
CN206872593U (en) System for processing chrome-containing wastewater
CN105712545B (en) A kind of copper-containing wastewater recovery and processing system
CN105692992B (en) A kind of nickel-containing waste water recovery and processing system
CN205500781U (en) Old and useless lead accumulator sulphuric acid recovery system
CN109301373A (en) A kind of device and method of lead-acid accumulator electrolyte cycling and reutilization
CN203602414U (en) System for recovering silvering wastewater and silver
CN206872559U (en) Solid-liquid separation system
CN208561983U (en) A kind of heavy metal waste water treatment system
CN206635167U (en) System for processing chrome-containing wastewater
CN205347023U (en) Contain useless pretreatment of water device of salt
CN207468386U (en) A kind of zero-discharge treatment system of mixed electroplating wastewater
CN206570129U (en) Nickel-containing waste water processing system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190505

Address after: 363107 No. 7 Xingjing Road, Fulong Industrial Park, Jiaomei Town, Zhangzhou Taiwanese Investment Zone, Fujian Province

Patentee after: Fujian Xihai Environmental Protection Technology Co., Ltd.

Address before: 363107 Xingjing Road, Fulong Industrial Park, Zhangzhou Taiwanese Investment Zone, Fujian Province

Patentee before: FUJIAN SUNYU SANITARY WARE TECHNOLOGY CO., LTD.

TR01 Transfer of patent right