CN211056864U - Recycling equipment for treating nickel-containing wastewater - Google Patents
Recycling equipment for treating nickel-containing wastewater Download PDFInfo
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- CN211056864U CN211056864U CN201922029660.3U CN201922029660U CN211056864U CN 211056864 U CN211056864 U CN 211056864U CN 201922029660 U CN201922029660 U CN 201922029660U CN 211056864 U CN211056864 U CN 211056864U
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 50
- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- 238000004064 recycling Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims description 19
- 238000005345 coagulation Methods 0.000 claims description 14
- 230000015271 coagulation Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 239000010865 sewage Substances 0.000 claims description 10
- 230000008929 regeneration Effects 0.000 claims description 7
- 238000011069 regeneration method Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 238000011085 pressure filtration Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 19
- 238000001914 filtration Methods 0.000 description 8
- 238000009713 electroplating Methods 0.000 description 7
- 239000003463 adsorbent Substances 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 4
- 229910001453 nickel ion Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 210000003462 vein Anatomy 0.000 description 4
- 238000009388 chemical precipitation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Water Treatment By Sorption (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model provides a handle nickel-containing waste water recycling equipment, including the equalizing basin, the end connection of intaking of equalizing basin elevator pump, the play water end and the broken reaction tank of collateral flow of elevator pump are connected, broken reaction tank and the reaction tank that thoughtlessly congeals are connected, the reaction tank that thoughtlessly congeals is connected with the inclined plate sedimentation tank, the delivery port and the catch basin of inclined plate sedimentation tank are connected, the catch basin is connected with the end of intaking of working pump, the play water end and the DF filter of working pump are connected, the DF filter is connected with the UF filter, the UF filter is connected with the end of intaking of booster pump, the play water end and the active carbon filter of booster pump are connected, the active carbon filter is connected with the end of intaking of high-pressure pump, the play water end and the RO filter of high-pressure pump are connected, the RO filter is. The utility model discloses nickel treatment effect is good, has effectively reduced the pollution and the jam of membrane, has prolonged exchange resin's life.
Description
Technical Field
The utility model relates to a waste water treatment field, in particular to handle nickel-containing waste water recycling equipment.
Background
The nickel-containing waste water is one of the most common industrial waste water in the electroplating industry, the water for plating nickel and rinsing plated parts in the production process is two main blocks of nickel-containing electroplating waste water, when nickel is electroplated or chemically plated, parts can be washed by tap water, and the rinsing water of plated parts produced in the washing process is mainly caused by more than 80% of discharge amount of electroplating sewage in a workshop. Different nickel electroplating modes and different appearance states in the waste water containing nickel: the nickel plating produces waste water or liquid, the nickel form is mainly expressed by nickel ion (Ni)2+) The nickel can be accumulated in the plant body, and when the plants with the content exceeding the normal content enter a food chain, the health of animals and even human beings can be influenced.
The prior method for treating nickel-containing wastewater mainly comprises a chemical treatment method, an ion exchange method, an adsorption method, a membrane separation technology, a biological method and the like. The chemical treatment method comprises a neutralization precipitation method, a sulfide precipitation method, a ferrite method and the like, is simple in process flow, convenient to operate and mature in technology and is one of the most common methods, but has large floor area and is difficult to stably reach the standard; the ion exchange method has good effects on recycling valuable nickel in the wastewater and improving the recycling rate of water, but the operation process is complex, and the ion exchange resin is often influenced by other organic pollutants so that the service life is shortened and the treatment effect of the whole system is influenced; the adsorption method is a method for removing heavy metal ions by utilizing a unique structure of an adsorbent, zeolite, activated carbon, humic acid and the like are commonly used as the adsorbent for treating electroplating nickel-containing wastewater, but the currently used adsorbent in the industry is generally expensive, and the regeneration and secondary pollution of the adsorbent are also problems which need to be considered seriously; the membrane separation technology applied to the nickel-containing electroplating wastewater has the advantages of effectively removing nickel ions in the wastewater, simple equipment, no need of adding chemical reagents and the like, but the membrane component is expensive, membrane pollution and membrane blockage can be caused in the using process, and the operation cost is higher; the biological treatment method has wide prospect, but the understanding of the reaction kinetics between the biological adsorbent and the heavy metal is not sufficient at present, the biological adsorbent with large adsorption capacity is to be developed, and a certain distance is left for the wide application in the industry. Therefore, the development of a more efficient treatment method for comprehensively treating the electroplating nickel-containing wastewater is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a handle nickel-containing waste water retrieval and utilization equipment, including chemical precipitation, chemistry thoughtlessly congeal, equipment such as RO, ion exchange, solved current nickel-containing waste water retrieval and utilization equipment nickel treatment effect poor, membrane pollution and the problem that the jam is serious, exchange resin life is short.
The utility model provides a recycling device for nickel-containing wastewater, which comprises an adjusting tank, wherein the adjusting tank is connected with the water inlet end of a pipeline lift pump through a pipeline, the water outlet end of the lift pump is connected with a vein breaking reaction tank through a pipeline, the vein breaking reaction tank is connected with a coagulation reaction tank through a pipeline, the coagulation reaction tank is connected with an inclined plate sedimentation tank through a pipeline, the water outlet end of the inclined plate sedimentation tank is connected with a water collecting tank through a pipeline, the water collecting tank is connected with the water inlet end of a water supply pump through a pipeline, the water outlet end of the water supply pump is connected with a DF filter through a pipeline, the DF filter is connected with a UF filter through a pipeline, the UF filter is connected with the water inlet end of a booster pump through a pipeline, the water outlet end of the booster pump is connected with an active carbon filter through a pipeline, the water outlet end of the high pressure pump is connected with an RO filter through a, the nickel resin tower is connected with the water return tank through a pipeline.
Preferably, the sludge outlet of the inclined plate sedimentation tank is connected with the water inlet end of the sewage pump through a pipeline, the water outlet end of the sewage pump is connected with the sludge concentration tank through a pipeline, the sewage outlet of the sludge concentration tank is externally connected with a sludge treatment system, the sludge concentration tank is connected with the water inlet end of the filter press pump through a pipeline, the water outlet end of the filter press pump is connected with the filter press through a pipeline, and the filter press is connected with the regulating reservoir through a pipeline.
Preferably, the top of the adjusting tank is fixedly provided with a cross beam, a hollow shaft is arranged in the adjusting tank, the upper end of the hollow shaft is rotatably connected with the cross beam, the lower end of the hollow shaft is fixedly provided with a stirring rod, the top end of the hollow shaft is fixedly provided with a rotary joint, the rotary joint is connected with an output shaft of a motor through a bearing, the motor is fixedly arranged on the cross beam, the rotary joint is externally connected with an air pump, and the surface of the lower end of.
Preferably, the complex breaking reaction tank is a vertical flow sedimentation tank, and the coagulation reaction tank is a spiral-flow coagulation tank.
Preferably, the UF filter and the RO filter are both connected with the concentrated water tank through pipelines, and the RO filter is externally connected with pure water.
Preferably, the nickel-based resin tower is externally connected with a regeneration liquid, and the regeneration waste liquid generated by the nickel-based resin tower is introduced into the regulating tank.
Compared with the prior art, the utility model has the advantages that:
the utility model ensures the homogenization of the water quantity and the water quality of the subsequent wastewater through the regulated water quantity and the water quality of the regulating tank, and the aeration body and the stirring system are arranged in the regulating tank, thereby increasing the contact degree and integrally improving the treatment efficiency of the system; the utility model treats nickel-containing wastewater by chemical precipitation method, which has better treatment effect, less one-time investment, low operation cost, simple operation and maintenance, easy operation and grasp and easy maintenance of equipment, and can obtain purer nickel mud by chemical precipitation method, thereby being convenient for recycling; the utility model effectively prevents RO membrane pollution, ensures the stable operation of the reverse osmosis device and prolongs the service life of the membrane component through the pretreatment of DF filtration, UF filtration and active carbon filtration; the utility model discloses a broken nickel ion and complex nickel in the waste water are detached to the reaction tank that complexes, colloid and tiny suspended particle in the waste water are detached through the reaction tank that thoughtlessly congeals, loop through DF filtration again, UF filters, suspended particle in the waste water is fully detached in active carbon filtration and RO filtration, microorganism such as bacterium, micro molecule organic matter and chlorine residue, obtain the reuse water after passing through nickel ion exchange resin advanced treatment at last, nickel treatment is effectual, effectively reduced the pollution and the jam of membrane, the life of exchange resin has been prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the structure schematic diagram of the adjusting tank of the utility model.
In the figure:
1-regulating tank, 2-lift pump, 3-decomplexation reaction tank, 4-coagulation reaction tank, 5-inclined plate sedimentation tank, 6-water collecting tank, 7-water supply pump, 8-DF filter, 9-UF filter, 10-booster pump, 11-activated carbon filter, 12-high pressure pump, 13-RO filter, 14-nickel resin tower, 15-reuse water tank, 16-sludge pump, 17-sludge concentration tank, 18-pressure filtration pump, 19-pressure filter, 20-concentrated water tank, 101-cross beam, 102-hollow shaft, 103-stirring rod, 104-rotary joint and 105-motor.
Detailed Description
In order to better enable those skilled in the art to understand the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, a recycling device for nickel-containing wastewater, comprising an adjusting tank 1, wherein the adjusting tank 1 is connected with a water inlet end of a pipeline lift pump 2, a water outlet end of the lift pump 2 is connected with a vein breaking reaction tank 3 through a pipeline, the vein breaking reaction tank 3 is connected with a coagulation reaction tank 4 through a pipeline, the coagulation reaction tank 4 is connected with an inclined plate sedimentation tank 5 through a pipeline, a water outlet of the inclined plate sedimentation tank 5 is connected with a water collecting tank 6 through a pipeline, the water collecting tank 6 is connected with a water inlet end of a water supply pump 7 through a pipeline, a water outlet end of the water supply pump 7 is connected with a DF filter 8 through a pipeline, the DF filter 8 is connected with a UF filter 9 through a pipeline, the UF filter 9 is connected with a water inlet end of a booster pump 10 through a pipeline, a water outlet end of the booster pump 10 is connected with an activated carbon filter 11 through a pipeline, the water outlet end of the high-pressure pump 12 is connected with an RO filter 13 through a pipeline, the RO filter 13 is connected with a nickel-series resin tower 14 through a pipeline, and the nickel-series resin tower 14 is connected with a water return pool 15 through a pipeline.
The sludge outlet of the inclined plate sedimentation tank 5 is connected with the water inlet end of a sewage pump 16 through a pipeline, the water outlet end of the sewage pump 16 is connected with a sludge concentration tank 17 through a pipeline, the sewage outlet of the sludge concentration tank 17 is externally connected with a sludge treatment system, the sludge concentration tank 17 is connected with the water inlet end of a filter pressing pump 18 through a pipeline, the water outlet end of the filter pressing pump 18 is connected with a filter press 19 through a pipeline, and the filter press 19 is connected with the regulating tank 1 through a pipeline.
A crossbeam 101 is fixedly installed at the top of an adjusting tank 1, a hollow shaft 102 is arranged in the adjusting tank 1, the upper end of the hollow shaft 102 is rotatably connected with the crossbeam 101, a stirring rod 103 is fixedly installed at the lower end of the hollow shaft 102, a rotary joint 104 is fixedly installed at the top end of the hollow shaft 102, the rotary joint 104 is connected with an output shaft of a motor 105 through a bearing, the motor 105 is fixedly installed on the crossbeam 101, the rotary joint 104 is externally connected with an air pump, and an aeration hole is formed in the surface of the lower.
The complex breaking reaction tank 3 is a vertical flow type sedimentation tank, and the coagulation reaction tank 4 is a spiral flow type coagulation tank.
The UF filter 9 and the RO filter 13 are both connected with a concentrated water tank 20 through pipelines, and the RO filter 13 is externally connected with pure water.
The nickel resin tower 14 is externally connected with a regeneration liquid, and the regeneration waste liquid generated by the nickel resin tower 14 is introduced into the regulating tank 1.
The working principle is as follows:
introducing nickel-containing wastewater into a regulating reservoir 1, regulating the water quantity and the water quality through the regulating reservoir 1, introducing the nickel-containing wastewater into a complex breaking reaction tank 3 through a lifting pump 2, removing nickel in an ionic form through generating nickel hydroxide precipitate by using an alkaline precipitator in the complex breaking reaction tank 3, adding Na2S and FeSO4 to enable complex nickel to obtain reaction conditions, removing the complex nickel from the wastewater in a nickel sulfide precipitate form, then entering a coagulation reaction tank 4, adding a HaSO4 solution to regulate the pH value of the wastewater, adding a PAC (polyaluminium chloride) solution and a PAM (polyacrylamide) solution, coagulating the complex nickel and colloidal substances in the wastewater through a coagulant, finally entering an inclined plate sedimentation tank 5 to carry out solid-liquid separation, introducing supernatant into a water return tank 6, introducing sludge into a sludge concentration tank 17 and a filter press through a sludge pump to remove moisture, and returning the removed moisture to the regulating reservoir 1.
Nickeliferous waste water in the water collecting tank 6 sequentially enters a DF filter 8 and a UF filter 9 through a water supply pump for microfiltration and ultrafiltration, the nickeliferous waste water enters an active carbon filter through a microfiltration pump 10 and ultrafiltration, impurities, microorganisms, residual chlorine and other oxidizing substances in the water are filtered out, the nickeliferous waste water enters an RO filter 13 through a high-pressure pump 12 for reverse osmosis filtration, more tiny organic impurities are further removed, the reverse osmosis filtration is deeply treated by exchange resin in a nickel-based resin tower 14, the resin runs in a full saturation mode, regenerated liquid is introduced after a pH adjusting column fails, nickeliferous regenerated waste liquid is introduced into an adjusting tank 1, reuse water obtained after ion exchange is introduced into a reuse water tank 15, and concentrated liquid of the RO filter 13 and the UF filter 9 is collected and treated through a concentrated water tank 20.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the specific implementations of the invention. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a handle nickel-containing waste water recycling equipment which characterized in that: comprises an adjusting tank (1), the adjusting tank (1) is connected with a water inlet end of a pipeline lift pump (2) through a pipeline, a water outlet end of the lift pump (2) is connected with a collateral breaking reaction tank (3) through a pipeline, the collateral breaking reaction tank (3) is connected with a coagulation reaction tank (4) through a pipeline, the coagulation reaction tank (4) is connected with an inclined plate sedimentation tank (5) through a pipeline, a water outlet of the inclined plate sedimentation tank (5) is connected with a water collecting tank (6) through a pipeline, the water collecting tank (6) is connected with a water inlet end of a water supply pump (7) through a pipeline, a water outlet end of the water supply pump (7) is connected with a DF filter (8) through a pipeline, the DF filter (8) is connected with a UF filter (9) through a pipeline, the UF filter (9) is connected with a water inlet end of a booster pump (10) through a pipeline, and a water outlet end of the booster pump (10) is connected with an active carbon filter, activated carbon filter (11) are connected through the end of intaking of pipeline with high-pressure pump (12), the play water end of high-pressure pump (12) is connected with RO filter (13) through the pipeline, RO filter (13) are connected with nickel system resin tower (14) through the pipeline, nickel system resin tower (14) are connected with return water pond (15) through the pipeline.
2. The recycling equipment for nickel-containing wastewater treated according to claim 1, characterized in that: the inclined plate sedimentation tank (5) mud outlet is connected with the water inlet end of a sewage pump (16) through a pipeline, the water outlet end of the sewage pump (16) is connected with a sludge concentration tank (17) through a pipeline, the sludge concentration tank (17) is externally connected with a sludge treatment system through the sewage outlet, the sludge concentration tank (17) is connected with the water inlet end of a pressure filtration pump (18) through a pipeline, the water outlet end of the pressure filtration pump (18) is connected with a pressure filter (19) through a pipeline, and the pressure filter (19) is connected with an adjusting tank (1) through a pipeline.
3. The recycling equipment for nickel-containing wastewater treated according to claim 1, characterized in that: the aeration device is characterized in that a cross beam (101) is fixedly mounted at the top of the adjusting tank (1), a hollow shaft (102) is arranged inside the adjusting tank (1), the upper end of the hollow shaft (102) is rotatably connected with the cross beam (101), a stirring rod (103) is fixedly mounted at the lower end of the hollow shaft (102), a rotary joint (104) is fixedly mounted at the top end of the hollow shaft (102), the rotary joint (104) is connected with an output shaft of a motor (105) through a bearing, the motor (105) is fixedly mounted on the cross beam (101), the rotary joint (104) is externally connected with an air pump, and an aeration hole is formed.
4. The recycling equipment for nickel-containing wastewater treated according to claim 1, characterized in that: the complex breaking reaction tank (3) is a vertical flow type sedimentation tank, a dosing system is arranged on the reaction tank (3), and the coagulation reaction tank (4) is a spiral-flow type coagulation tank.
5. The recycling equipment for nickel-containing wastewater treated according to claim 1, characterized in that: the UF filter (9) and the RO filter (13) are both connected with a concentrated water tank (20) through pipelines, and the RO filter (13) is externally connected with pure water.
6. The recycling equipment for nickel-containing wastewater treated according to claim 1, characterized in that: the nickel-based resin tower (14) is externally connected with a regeneration liquid, and the regeneration waste liquid generated by the nickel-based resin tower (14) is introduced into the regulating tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029660.3U CN211056864U (en) | 2019-11-22 | 2019-11-22 | Recycling equipment for treating nickel-containing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029660.3U CN211056864U (en) | 2019-11-22 | 2019-11-22 | Recycling equipment for treating nickel-containing wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN211056864U true CN211056864U (en) | 2020-07-21 |
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|---|---|---|---|
| CN201922029660.3U Active CN211056864U (en) | 2019-11-22 | 2019-11-22 | Recycling equipment for treating nickel-containing wastewater |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321388A (en) * | 2021-07-13 | 2021-08-31 | 珠海市建泰环保工业园有限公司 | Automatic PCB wastewater treatment equipment and method |
| CN113371934A (en) * | 2021-06-08 | 2021-09-10 | 珠海市建泰环保工业园有限公司 | Sewage treatment method |
| CN115626739A (en) * | 2022-11-03 | 2023-01-20 | 苏州市吴中区固体废弃物处理有限公司 | Nickel-containing electroplating wastewater treatment and recycling integrated device |
| CN115626740A (en) * | 2022-11-03 | 2023-01-20 | 苏州市吴中区固体废弃物处理有限公司 | Nickel-containing electroplating wastewater treatment and recycling method |
| CN115745236A (en) * | 2022-11-03 | 2023-03-07 | 苏州市吴中区固体废弃物处理有限公司 | Method for treating and recycling copper-containing electroplating wastewater |
-
2019
- 2019-11-22 CN CN201922029660.3U patent/CN211056864U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371934A (en) * | 2021-06-08 | 2021-09-10 | 珠海市建泰环保工业园有限公司 | Sewage treatment method |
| CN113321388A (en) * | 2021-07-13 | 2021-08-31 | 珠海市建泰环保工业园有限公司 | Automatic PCB wastewater treatment equipment and method |
| CN115626739A (en) * | 2022-11-03 | 2023-01-20 | 苏州市吴中区固体废弃物处理有限公司 | Nickel-containing electroplating wastewater treatment and recycling integrated device |
| CN115626740A (en) * | 2022-11-03 | 2023-01-20 | 苏州市吴中区固体废弃物处理有限公司 | Nickel-containing electroplating wastewater treatment and recycling method |
| CN115745236A (en) * | 2022-11-03 | 2023-03-07 | 苏州市吴中区固体废弃物处理有限公司 | Method for treating and recycling copper-containing electroplating wastewater |
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