CN206570129U - Nickel-containing waste water processing system - Google Patents

Nickel-containing waste water processing system Download PDF

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Publication number
CN206570129U
CN206570129U CN201720256774.XU CN201720256774U CN206570129U CN 206570129 U CN206570129 U CN 206570129U CN 201720256774 U CN201720256774 U CN 201720256774U CN 206570129 U CN206570129 U CN 206570129U
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China
Prior art keywords
reaction tank
waste water
nickel
processing system
chemicals dosing
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CN201720256774.XU
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Chinese (zh)
Inventor
余章军
马立军
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Fujian Xihai Environmental Protection Technology Co., Ltd.
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Fujian Sunyu Sanitary Ware Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The utility model discloses a kind of nickel-containing waste water processing system, including the first reaction tank, the second reaction tank, filter, the 3rd reaction tank, concentration film device, sedimentation basin, the collecting pit being sequentially communicated;The delivery port of the filter is connected with the 3rd reaction tank, and the sludge outlet of the filter is communicated with the first filter press;The sludge outlet of the sedimentation basin is communicated with the second filter press, and the delivery port of the sedimentation basin is connected with the collecting pit;The sludge outlet of second filter press is communicated with sludge calcining furnace, and the delivery port of second filter press is connected with the concentration film device.Nickel-containing waste water processing system high treating effect of the present utility model, realizes zero pollutant discharge, effectively reduces Treatment of Sludge cost and load, and the problem of solve the wasting of resources, and greatly reduce the production cost of enterprise.

Description

Nickel-containing waste water processing system
Technical field
The utility model is related to technical field of waste water processing, in particular to a kind of nickel-containing waste water processing system.
Background technology
At present, the processing method of nickel-containing waste water is a lot, such as membrane concentration method, ion-exchange, evaporation concentration method etc., electrolysis Deng.
But existing big multi-method has the following disadvantages:Service life of equipment is short, and operation maintenance cost is high, and recovery comes out Concentrate or product, its complicated and containing many impurity, (i.e. Cu2+、Cr6+、Cr3+Etc. heavy metal ion, Cu2+、Al3+ Deng cation, SO4 2-、Cl-、P2O7 2-Deng anion and large amount of organic impurities).In most cases, nickel regenerant can not reach Standard is recycled to its production line, it is difficult to directly recycled in production line, and cost is very high.
Utility model content
In view of this, a kind of nickel-containing waste water processing system that the utility model is provided, preferably overcomes above-mentioned existing skill The problem of art is present and defect, run it is safe and stable, it is simple to operate, management convenience, high treating effect, small investment the advantages of, drop The production cost of Di Liao enterprises.
A kind of nickel-containing waste water processing system, including be sequentially communicated the first reaction tank, the second reaction tank, filter, Three reaction tanks, concentration film device, sedimentation basin, collecting pit;The delivery port of the filter is connected with the 3rd reaction tank, institute The sludge outlet for stating filter is communicated with the first filter press;The sludge outlet of the sedimentation basin is communicated with the second filter press, institute The delivery port for stating sedimentation basin is connected with the collecting pit;The sludge outlet of second filter press is communicated with sludge calcining furnace, institute The delivery port for stating the second filter press is connected with the concentration film device.
Further, in addition to effluent storage pond, the effluent storage pond passes through suction pump and connected with first reaction tank It is logical.
Further, in addition to first reaction tank the first chemicals dosing plant and the second chemicals dosing plant connected, it is described First chemicals dosing plant is used to add acidic materials to first reaction tank, and second chemicals dosing plant is used for anti-to described first Ying Chi adds reducing agent.
Further, first reaction tank is provided with the first pH monitoring devices and control of Electric potentials instrument, the first pH monitorings Device is connected with first chemicals dosing plant, and the control of Electric potentials instrument is connected with second chemicals dosing plant.
Further, in addition to second reaction tank the 3rd chemicals dosing plant connected, the 3rd chemicals dosing plant is used In adding alkaline matter to second reaction tank.
Further, second reaction tank is provided with the 2nd pH monitoring devices, the 2nd pH monitoring devices and described the Three chemicals dosing plants are connected.
Further, in addition to the 3rd reaction tank the 4th chemicals dosing plant connected, the 4th chemicals dosing plant is used In adding alkaline matter to the 3rd reaction tank.
Further, the 3rd reaction tank is provided with the 3rd pH monitoring devices, the 3rd pH monitoring devices and described the Four chemicals dosing plants are connected.
Further, the sludge outlet of the filter is connected by the first sludge reservoir with first filter press.
Further, the sludge outlet of the sedimentation basin is connected by the second sludge reservoir with second filter press.
Compared with prior art, the beneficial effect of nickel-containing waste water processing system of the present utility model is:
(1), nickel-containing waste water processing system of the present utility model is first passed through Cr in the first reaction tank6+It is reduced to Cr3+ Afterwards, pH value is adjusted between 6~6.5 in the second reaction tank, adds alkaline matter and Mg2+、Cu2+、Al3+Etc. other micro sun Ionic reaction generation hydroxide precipitation, then filters by filter, removes the Cu in waste water2+、Al3+It is micro etc. other Impurity, then pH value is adjusted between 10~11.5 in the 3rd reaction tank, add alkaline matter and the Ni in waste water2+, reaction life Into Ni (OH)2Precipitation, then clear water is collected after concentrated precipitation, and the sediment produced in sedimentation basin progress press filtration, high temperature are forged Burning obtains purity higher nickel or nickel oxide, can be back in nickel plating production line, realize zero pollutant discharge, effectively reduce dirt Mud processing cost and load, and the problem of solve the wasting of resources, and greatly reduce the production cost of enterprise.
(2), further, nickel-containing waste water processing system of the present utility model passes through to the first reaction tank, the second reaction tank PH monitoring devices are respectively provided with the 3rd reaction tank and monitor pH value in reaction tank in real time, and dosing dress is controlled according to corresponding pH value Put Automatic Dosing, make that the system automation degree is high, the convenient and treatment effect that runs safe and stable, simple to operate, management more It is good.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in 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 structural representation of nickel-containing waste water processing system of the present utility model.
Drawing reference numeral explanation:
101 effluent storage ponds
102 suction pumps
103 first reaction tanks
1031 the oneth pH monitoring devices
1032 first chemicals dosing plants
1033 second chemicals dosing plants
1034 control of Electric potentials instrument
104 second reaction tanks
1041 the 2nd pH monitoring devices
1042 the 3rd chemicals dosing plants
105 filters
106 the 3rd reaction tanks
1061 the 3rd pH monitoring devices
1062 the 4th chemicals dosing plants
107 concentration film devices
108 sedimentation basins
109 collecting pits
110 first sludge reservoirs
111 first filter presses
112 second sludge reservoirs
113 second filter presses
114 calcining furnaces
Embodiment
For the ease of understanding the utility model, nickel-containing waste water processing system is carried out more comprehensively below with reference to relevant drawings Description.The preferred embodiment of nickel-containing waste water processing system is given in accompanying drawing.But, nickel-containing waste water processing system 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 Disclosure to nickel-containing waste water processing system is more thorough comprehensive.
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, are for only for ease of description the utility model and simplify description, rather than indicate or dark Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right Limitation of the present utility model.In addition, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for distinguishing description, and can not It is interpreted as indicating or implying 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 to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.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 connection or electrical connection or two element internals It is logical, can be joined directly together, can also be indirectly connected to by intermediary, for the ordinary skill in the art, can To understand the concrete meaning of above-mentioned term as the case may be.Unless otherwise defined, all terms (bag being otherwise used herein Include technical term and scientific terminology) have be generally understood that with various embodiment one skilled in the art of the present utility model Implication identical implication.The term (term such as limited in the dictionary typically used) be to be interpreted as have with Situational meaning identical implication in correlative technology field and it will be not construed as with Utopian implication or excessively formal Implication, unless be clearly defined in various embodiments of the present utility model.
Refering to Fig. 1, the utility model provides a kind of nickel-containing waste water processing system, including the first reaction tank being sequentially communicated 103rd, the second reaction tank 104, filter 105, the 3rd reaction tank 106, concentration film device 107, sedimentation basin 108, collecting pit 109;The delivery port of the filter 105 is connected with the 3rd reaction tank 106, the sludge outlet of the filter 105 It is communicated with the first filter press 111;The sludge outlet of the sedimentation basin 108 is communicated with the second filter press 113, the sedimentation basin 108 Delivery port connected with the collecting pit 109;The sludge outlet of second filter press 113 is communicated with sludge calcining furnace 114, institute The delivery port for stating the second filter press 113 is connected with the concentration film device 107.
Preferably, nickel-containing waste water processing system of the present utility model also includes effluent storage pond 101, the effluent storage pond 101 are connected by suction pump 102 with first reaction tank 103, i.e., the waste water in effluent storage pond 101 is taken out by suction pump 102 Reacted into the first reaction tank 103.
Utilized in above-mentioned first reaction tank 103 and add reducing agent by the trace Cr in nickel-containing waste water6+It is reduced to Cr3+, it is described Reducing agent can be enumerated as sodium sulfite, sodium pyrosulfite or sodium hydrogensulfite etc..Illustrated as one kind, when reducing agent is Asia During sodium sulphate, specific reduction reaction is:4Cr6++3S2O5 2-+9H2O=4Cr3++6SO4 2-+18H+, the reducing agent use of the present embodiment Amount is easy to occur sufficiently reaction slightly larger than the theoretical amount of reaction.
Preferably, in the utility model embodiment, first reaction tank 103 is communicated with the first chemicals dosing plant 1032 and Two chemicals dosing plants 1033, first chemicals dosing plant 1032 is used to add acidic materials to first reaction tank 103, and described the Two chemicals dosing plants 1033 are used to add reducing agent to first reaction tank 103.
Preferably, first reaction tank 103 is provided with the first pH monitoring devices 1031 and control of Electric potentials instrument 1034, described the One pH monitoring devices 1031 are connected with first chemicals dosing plant 1032, and the control of Electric potentials instrument 1034 is filled with second dosing Put 1033 connections.
It should be noted that to ensure that reduction reaction reaches optimum efficiency in the first reaction tank 103, i.e., thoroughly by waste water Cr6+It is reduced to Cr3+, the pH value in reaction tank need to reach 2.5~3.0.Therefore by setting the in the utility model embodiment One pH monitoring devices 1031 are used for the pH value for monitoring waste water in first reaction tank 103 in real time, when the pH value monitored is more than When 3.0, the first pH monitoring devices 1031 automatically control first chemicals dosing plant 1032 and added into the first reaction tank 103 Acidic materials;When the pH value monitored is less than 2.5, the first pH monitoring devices 1031 automatically control the first dosing dress Put 1032 and stop addition acidic materials into the first reaction tank 103.The acidic materials can be enumerated as sulfuric acid, hydrochloric acid etc..
It should be noted that to ensure that reduction reaction reaches optimum efficiency in the first reaction tank 103, i.e., thoroughly by waste water Cr6+It is reduced to Cr3+, the current potential in reaction tank need to be controlled in 220~270mV.Therefore by setting in the utility model embodiment The current potential that control of Electric potentials instrument 1034 (ORP meters) is used to monitor waste water in first reaction tank 103 in real time is put, when the electricity monitored When position is higher than 270mV, the control of Electric potentials instrument 1034 (ORP meters) automatically controls second chemicals dosing plant 1033 to the first reaction Reducing agent is added in pond 103;When the pH value monitored is less than 220mV, the control of Electric potentials instrument 1034 (ORP meters) automatically controls Second chemicals dosing plant 1033 stops adding reducing agent into the first reaction tank 103.
By by nickeliferous and Cr in above-mentioned second reaction tank 1043+、Cu2+、Al3+Etc. the pH of the waste water such as other trace cations Value is adjusted into optimum range, utilizes alkaline matter and Cr3+、Cu2+、Al3+Etc. other trace cations reaction generation hydroxide Precipitation, to remove the Cr in waste water3+、Cu2+、Al3+Etc. other trace impurities, the alkaline matter is preferably sodium hydroxide, certainly Alkaline matter can also be enumerated as mixture of lime or lime and sodium hydroxide etc..Specific reaction is as follows:
Cr3++3OH-=Cr (OH)3↓;
Cu2++2OH-=Cu (OH)2↓;
Al3++3OH-=Al (OH)3↓。
Preferably, in the utility model embodiment, second reaction tank 104 is also communicated with the 3rd chemicals dosing plant 1042, 3rd chemicals dosing plant 1042 is used to add alkaline matter to second reaction tank 104.
Preferably, second reaction tank 104 is provided with the 2nd pH monitoring devices 1041, the 2nd pH monitoring devices 1041 It is connected with the 3rd chemicals dosing plant 1042.
It should be noted that to ensure that reaction reaches optimum efficiency, i.e. alkaline matter and Cr in the second reaction tank 1043+、 Cu2+、Al3+Reacted completely etc. other trace cations, the pH value in reaction tank need to be controlled between 6~6.5.Therefore this practicality The pH for monitoring waste water in second reaction tank 104 in real time by setting the 2nd pH monitoring devices 1041 to be used in new embodiment Value, when the pH value monitored be less than 6 when, the 2nd pH monitoring devices 1041 automatically control the 3rd chemicals dosing plant 1042 to Alkaline matter is added in second reaction tank 104;When the pH value monitored is more than 6.5, the 2nd pH monitoring devices 1041 are certainly Dynamic control the 3rd chemicals dosing plant 1042 stops adding alkaline matter into the second reaction tank 104.
By by the pH value regulation of nickel-containing waste water to certain limit, utilizing alkaline matter in above-mentioned 3rd reaction tank 106 With Ni2+Reaction generation Ni (OH)2Precipitation, to remove the Ni in waste water2+.The alkaline matter is preferably sodium hydroxide, certain alkali Property material can also be enumerated as mixture of lime or lime and sodium hydroxide etc..Specific reaction is as follows:
Ni2++2OH-=Ni (OH)2↓。
Preferably, in the utility model embodiment, the 3rd reaction tank 106 is also communicated with the 4th chemicals dosing plant and put 1062, the 4th chemicals dosing plant 1062 is used to add alkaline matter to the 3rd reaction tank 106.
Preferably, the 3rd reaction tank 106 is provided with the 3rd pH monitoring devices 1061, the 3rd pH monitoring devices 1061 1062 are put with the 4th chemicals dosing plant to be connected.
It should be noted that to ensure that reaction reaches optimum efficiency, i.e. alkaline matter and Ni in the 3rd reaction tank 1062+It is complete PH value in full response, reaction tank need to be controlled between 10~11.5.Therefore by setting the 3rd in the utility model embodiment PH monitoring devices 1061 are used for the pH value for monitoring waste water in the 3rd reaction tank 106 in real time, when the pH value monitored is less than 10 When, the 3rd pH monitoring devices 1061 automatically control the 4th chemicals dosing plant and put 1062 additions into the 3rd reaction tank 106 Alkaline matter;When the pH value monitored is more than 11.5, the 3rd pH monitoring devices 1061 automatically control the 4th dosing Device puts 1062 and stops addition alkaline matter into the 3rd reaction tank 106.
Preferably, in the utility model embodiment, the sludge outlet of the filter 105 passes through the first sludge reservoir 110 connect with first filter press 111.
Above-mentioned first sludge reservoir 110 is used for the sludge for the sludge outlet discharge for storing filter 105, and is running up to The first filter press 111 is conveyed to after a certain amount of and carries out press filtration, it is to avoid filter 105 intermittently provides sludge to the first press filtration Machine 111, influences the service life of filter press.The filter 105 can be enumerated as sand filtration, multi-medium filtering or fiber filter and set It is standby etc..
Preferably, in the utility model embodiment, the sludge outlet of the sedimentation basin 108 passes through the second sludge reservoir 112 connect with second filter press 113.
The second sludge reservoir 112 is used for the sludge that the sludge outlet in settlement on storage pond 108 is discharged, and is running up to one The second filter press 113 is conveyed to after quantitative and carries out press filtration, it is to avoid sedimentation basin 108 intermittently provides sludge to the second filter press 113, influence the service life of filter press.
It is described concentration film device 107 can be enumerated as high pressure counter-infiltration rolled film or high pressure counter-infiltration disc type film or vibrating membrane or Forward osmosis membrane.The concentration film device 107 can also be enumerated as NF membrane, milipore filter, microfiltration membranes or general filtration core etc..Dense In contracting film device 107, by UF membrane, hydroxide is precipitated particle and further concentrate aggregation thickening increase.
As shown in figure 1, the technological process of above-mentioned nickel-containing waste water processing system is:
Nickel-containing waste water in effluent storage pond 101 is pumped into the first reaction tank 103 by suction pump 102, by adding When acidic materials such as sulfuric acid make the pH value in the first reaction tank 103 adjust to 2.5~3.0, addition reducing agent is by the Cr in waste water6+ It is reduced to Cr3+, then waste water is transported in the second reaction tank 104.By adding basic species Quality Control in the second reaction tank 104 PH value processed is adjusted between 6~6.5, while alkaline matter and the Cu in waste water2+、Al3+Etc. other trace cations reaction generation hydrogen Oxide precipitation, then carry out separation of solid and liquid, the sludge outlet that sediment passes through filter 105 by the filtering of filter 105 It is discharged in the first sludge reservoir 110, treats that the sludge quantity in the first sludge reservoir 110 reaches a certain amount of, (do not show in figure through sludge pump Go out) the first filter press 111 is extracted into, make fixed-end forces after press filtration;Filtered fluid is then directly discharged into by the delivery port of filter 105 In 3rd reaction tank 106.Adjusted in the 3rd reaction tank 106 by adding alkaline matter control ph between 10.5~11, together When alkaline matter and waste water in Ni2+Reaction generation Ni (OH)2Precipitation, then concentrated film device 107, make Ni (OH)2Precipitation is heavy Shallow lake particulate condensation aggregation thickening increase;Subsequently into separation of solid and liquid is carried out in sedimentation basin 108, obtained supernatant passes through sedimentation basin 108 delivery ports are discharged in collecting pit 109;Sediment is discharged in the second sludge reservoir 112 by the sludge outlet of sedimentation basin 108, Treat that the sludge quantity in the second sludge reservoir 112 reaches a certain amount of, being extracted into the second filter press 113 through sludge pump (not shown) enters Row press filtration, the filtered solution after press filtration, which is recovered in concentration film device 107, continues after-treatment, obtained solids Ni (OH)2Mud Cake automatic transport intermittently carries out calcination processing into calcining furnace 114 after direct high-temperature calcination or placement, obtains purity higher Nickel oxide.Hydrogen and nitrogen can be also further passed through in calcining furnace 114 to continue nickel oxide to be reduced into nickel, finally by nickel or Nickel oxide is reclaimed in nickel plating production line.
In summary, the beneficial effect of nickel-containing waste water processing system of the present utility model is:
(1), nickel-containing waste water processing system of the present utility model first passes through the first reaction tank, the second reaction tank and filtering dress Put, remove the Gr in waste water3+、Cu2+、Al3+Etc. other trace impurities, then pass through the reaction of the 3rd reaction tank and concentrating and precipitating again After collect clear water, and the sediment produced in sedimentation basin be subjected to press filtration, high-temperature calcination obtain the higher nickel or nickel oxide of purity, It can be back in nickel plating production line, realize zero pollutant discharge, effectively reduce Treatment of Sludge cost and load, and solve The problem of wasting of resources, and greatly reduce the production cost of enterprise.
(2), further, nickel-containing waste water processing system of the present utility model passes through to the first reaction tank, the second reaction tank PH monitoring devices are respectively provided with the 3rd reaction tank and monitor pH value in reaction tank in real time, and dosing dress is controlled according to corresponding pH value Put Automatic Dosing, make that the system automation degree is high, the convenient and treatment effect that runs safe and stable, simple to operate, management more It is good.
Although more above used the term for representing structure, such as " the first reaction tank ", " concentration film device ", " first Chemicals dosing plant " etc., but it is not precluded from the possibility using other terms.It is used for the purpose of more easily describing using these terms With explanation essence of the present utility model;Being construed as any additional limitation is disagreed with the utility model spirit The back of the body.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed Or replace, it should all cover within protection domain of the present utility model.

Claims (10)

1. a kind of nickel-containing waste water processing system, it is characterised in that:Including the first reaction tank, the second reaction tank, mistake being sequentially communicated Filter device, the 3rd reaction tank, concentration film device, sedimentation basin, collecting pit;The delivery port of the filter and the described 3rd reaction Pond is connected, and the sludge outlet of the filter is communicated with the first filter press;The sludge outlet of the sedimentation basin is communicated with second Filter press, the delivery port of the sedimentation basin is connected with the collecting pit;The sludge outlet of second filter press is communicated with sludge Calcining furnace, the delivery port of second filter press is connected with the concentration film device.
2. nickel-containing waste water processing system 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 first reaction tank.
3. nickel-containing waste water processing system according to claim 1, it is characterised in that:Also include connecting with first reaction tank Logical the first chemicals dosing plant and the second chemicals dosing plant, first chemicals dosing plant is used to add acid to first reaction tank Matter, second chemicals dosing plant is used to add reducing agent to first reaction tank.
4. nickel-containing waste water processing system according to claim 3, it is characterised in that:First reaction tank is provided with the first pH Monitoring device and control of Electric potentials instrument, the first pH monitoring devices are connected with first chemicals dosing plant, the control of Electric potentials instrument It is connected with second chemicals dosing plant.
5. nickel-containing waste water processing system according to claim 1, it is characterised in that:Also include connecting with second reaction tank The 3rd logical chemicals dosing plant, the 3rd chemicals dosing plant is used to add alkaline matter to second reaction tank.
6. nickel-containing waste water processing system according to claim 5, it is characterised in that:Second reaction tank is provided with the 2nd pH Monitoring device, the 2nd pH monitoring devices are connected with the 3rd chemicals dosing plant.
7. nickel-containing waste water processing system according to claim 1, it is characterised in that:Also include connecting with the 3rd reaction tank The 4th logical chemicals dosing plant, the 4th chemicals dosing plant is used to add alkaline matter to the 3rd reaction tank.
8. nickel-containing waste water processing system according to claim 7, it is characterised in that:3rd reaction tank is provided with the 3rd pH Monitoring device, the 3rd pH monitoring devices are connected with the 4th chemicals dosing plant.
9. nickel-containing waste water processing system according to claim 1, it is characterised in that:The sludge outlet of the filter leads to The first sludge reservoir is crossed to connect with first filter press.
10. nickel-containing waste water processing system according to claim 1, it is characterised in that:The sludge outlet of the sedimentation basin leads to The second sludge reservoir is crossed to connect with second filter press.
CN201720256774.XU 2017-03-14 2017-03-14 Nickel-containing waste water processing system Active CN206570129U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106673269A (en) * 2017-03-14 2017-05-17 福建欣宇卫浴科技股份有限公司 Nickel-containing wastewater treatment system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106673269A (en) * 2017-03-14 2017-05-17 福建欣宇卫浴科技股份有限公司 Nickel-containing wastewater treatment system
WO2018166480A1 (en) * 2017-03-14 2018-09-20 福建欣宇卫浴科技股份有限公司 Nickel-containing waste water processing system
CN106673269B (en) * 2017-03-14 2024-03-26 福建希海环保科技有限公司 Nickel-containing wastewater treatment system

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Effective date of registration: 20190422

Address after: 363000 Xingjing Road, Fulong Industrial Park, Jiaomei Town, Zhangzhou Taiwanese Investment Zone, Longhai City, Zhangzhou City, Fujian Province

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

Address before: 363000 Xingjing Road, Fulong Industrial Park, Zhangzhou Taiwanese Investment Zone, Fujian Province

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

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