CN203715430U - Electroplating nickel-containing wastewater up-to-standard treatment system for workshops of metallurgical plants - Google Patents
Electroplating nickel-containing wastewater up-to-standard treatment system for workshops of metallurgical plants Download PDFInfo
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- CN203715430U CN203715430U CN201420097418.4U CN201420097418U CN203715430U CN 203715430 U CN203715430 U CN 203715430U CN 201420097418 U CN201420097418 U CN 201420097418U CN 203715430 U CN203715430 U CN 203715430U
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Abstract
The utility model discloses an electroplating nickel-containing wastewater up-to-standard treatment system for workshops of metallurgical plants. The electroplating nickel-containing wastewater up-to-standard treatment system comprises a pretreatment system, an air floatation cleaning filtration system, an RO (Reverse Osmosis) desalting system and an aftertreatment system, wherein the pretreatment system, the air floatation cleaning filtration system, the RO desalting system and the aftertreatment system are communicated with one another respectively through pipelines, the air floatation cleaning filtration system comprises a pressure water tank, an air floatation tank, a dross tank, a multi-media filter, a backwashing water tank and a filtration tank, the pressure water tank is respectively communicated with the air floatation tank and the filtration tank through pipelines, the air floatation tank is respectively communicated with the dross tank and the multi-media filter through pipelines, and the multi-media filter is respectively communicated with the backwashing water tank and the filtration tank through pipelines. The electroplating nickel-containing wastewater up-to-standard treatment system for the workshops of the metallurgical plants is used for treating electroplating nickel-containing wastewater by adopting the air floatation tank through reverse osmosis; and freshwater obtained after treatment reaches the discharge standard, and the concentrated water is concentrated and recycled.
Description
Technical field
The utility model relates to waste water filtering system, particularly a kind of smeltery workshop Ni-containing Plating Wastewater treatment system up to standard.
Background technology
At present, the cleaning water that smelting shop is used is quite a large amount of often, needs a large amount of tap water and pure water to clean, and the waste water after these uses is just discharged outside factory after treatment, cannot reuse, and causes a large amount of contaminated wastewaters, waste water resource.
Utility model content
The purpose of this utility model is the above-mentioned defect for prior art, and the fresh water qualified discharge after a kind of processing is provided, and dense water carries out workshop, the smeltery Ni-containing Plating Wastewater treatment system up to standard of concentration and recovery.
For solving the above-mentioned defect of prior art, technical scheme to be solved in the utility model is: a kind of smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, comprise pretreatment system, air supporting cleaning and filtering system, RO desalting system and after-treatment system, described pretreatment system, air supporting cleaning and filtering system, RO desalting system and after-treatment system are interconnected by pipeline respectively, described air supporting cleaning and filtering system comprises PT, air flotation pool, scum silica frost groove, more medium filter, backwash tank and filter vat, described PT is communicated with described air flotation pool and filter vat respectively by pipeline, described air flotation pool is communicated with described scum silica frost groove and more medium filter respectively by pipeline, described multi-medium filtering groove is communicated with described backwash tank and filter vat respectively by pipeline.
A kind of improvement as the utility model smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, described pretreatment system comprises sheet frame interchanger, quantitative dosing device, distribution trough and short mix chamber, and described sheet frame interchanger, quantitative dosing device, distribution trough and short mix chamber are communicated with successively by pipeline.
A kind of improvement as the utility model smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, described RO desalting system comprises the second quantitative dosing device, cartridge filter, high-pressure pump and reverse osmosis unit, water in described cartridge filter is evacuated in described reverse osmosis unit by high-pressure pump, described the second quantitative dosing device is arranged on the water inlet pipe of described cartridge filter, described reverse osmosis unit is communicated with described backwash tank by pipeline, and the water inlet pipe of described cartridge filter is communicated with described filter vat.
A kind of improvement as the utility model smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, described after-treatment system comprises removing carbon dioxide device, desalination tank and activated charcoal filter, described removing carbon dioxide device, desalination tank and activated charcoal filter are communicated with successively by pipeline respectively, and described removing carbon dioxide device is communicated with the outlet conduit of described reverse osmosis unit by pipeline.
As a kind of improvement of the utility model smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, described scum silica frost groove is provided with mud discharge line.
As a kind of improvement of the utility model smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, described more medium filter is provided with wastewater discharge pipe road.
As a kind of improvement of the utility model smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, described activated charcoal filter is provided with a water pipeline.
Compared with prior art, the utility model has the advantages that: the utility model is workshop, smeltery Ni-containing Plating Wastewater treatment system up to standard, system design adopts air flotation pool to add reverse osmosis and deals with, the fresh water qualified discharge after processing, and dense water carries out concentration and recovery.Realizing water process automation is to improve enterprise management, and alleviates labor intensity of operating staff, and handled easily management guarantees water treatment quality and safety in production, energy efficient, the important measures that reduce production costs.The automation control system of water treatment mainly according to signals such as liquid level, flow, pressure by PLC and
touch-screencarry out the running status of control pump and valve, and can be according to the variation of processing requirement and equipment operating parameter automatically or the operation of alert operating device; Reverse osmosis units is the pre-desalination system in water technology, at its water inlet pipe, DI, dense water pipe, control valve, pressure warning unit, under meter is installed, and the operation of this unit of monitoring and controlling, cleaning, guarantee that reverse osmosis units is in meeting the scope of processing requirement.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
Below just with reference to the accompanying drawings the utility model is further described.
As shown in Figure 1, a kind of smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, comprise pretreatment system 1, air supporting cleaning and filtering system 2, RO desalting system 3 and after-treatment system 4, described pretreatment system 1, air supporting cleaning and filtering system 2, RO desalting system 3 and after-treatment system 4 are interconnected by pipeline respectively, air supporting cleaning and filtering system 2 comprises PT 21, air flotation pool 22, scum silica frost groove 23, more medium filter 24, backwash tank 25 and filter vat 26, PT 21 is communicated with air flotation pool 22 and filter vat 26 respectively by pipeline, air flotation pool 22 is communicated with scum silica frost groove 23 and more medium filter 24 respectively by pipeline, multi-medium filtering groove 24 is communicated with backwash tank 25 and filter vat 26 respectively by pipeline.
Preferably, pretreatment system 1 comprises sheet frame interchanger 11, quantitative dosing device 12, distribution trough 13 and short mix chamber 14, and sheet frame interchanger 11, quantitative dosing device 12, distribution trough 13 and short mix chamber 14 are communicated with successively by pipeline.Pretreatment system 1 comprises with clorox (NaClO) sterilization, polymerize aluminum chloride (PAC) flocculation, and two medium filters and fine filter, use H2SO4 adjust pH, finally by cartridge filter, filters, and makes its water inlet reach the requirement of RO.For the instantaneous water quality deterioration of mode, be also provided with Powdered Activated Carbon injection device, be added to if desired in coagulating sedimentation groove, to reduce COD value, former water FI < 2(requires FI < 4 after pretreatment).
Sheet frame interchanger 11, this interchanger is after column, upper and lower cover plates, gusset plate, gusset, lower margin welding, to form interchanger framework, between two plates, by the relative both sides of welding straight flange, form plate pair, and by four fixing one that form in closure plate location, between plate pair, adjacent plate welds together, plate and the upper and lower cover plates of pressing close to upper and lower cover plates weld together, column in closure plate and framework and upper and lower cover plates welding, and with plate to welding together, the plate bundle parts of interchanger have been formed, plate bundle parts and retaining plate, gasket seal passes through studs, nut, flat gasket connects and composes board frame type heat-exchanger complete machine, there is heat transfer coefficient high, high temperature high voltage resistant, path combination is flexible, adaptable to process system, maintenance clean is convenient, the advantages such as compact construction.
Quantitative dosing device 12, Xiang Yuanshui adds appropriate flocculation agent, prevent that indissoluble salt is deposited on film surface and forms scale formation, guarantee that membrane module long-play still can keep good water permeable ability, and effectively extend the work-ing life of film and improve the stability that reverse osmosis system produces water quality.
More medium filter 24, adopting quartz filter is to adopt the quartz sand filtering layer on filtering net to carry out contact oxidation filtration process to former water.Micro-pore between quartz sand filtering layer is just in time retained in suspended substance in filtering layer, thereby effectively removes the solid matter that forms SDI index composition, makes SDI value meet the water inlet requirement of reverse osmosis.
Preferably, RO desalting system 3 comprises the second quantitative dosing device 31, cartridge filter 32, high-pressure pump 33 and reverse osmosis unit 34, water in cartridge filter 32 is evacuated in described reverse osmosis unit 34 by high-pressure pump 33, the second quantitative dosing device 31 is arranged on the water inlet pipe of cartridge filter 32, reverse osmosis unit 34 is communicated with backwash tank 25 by pipeline, and the water inlet pipe of described cartridge filter 32 is communicated with filter vat 26.
RO desalting system 3, contains various inorganic salt in water, with common filtration, cannot remove.Reverse osmosis technology is nearly twenties years emerging new and high technologies, it utilizes reverse osmosis principle, employing has the reverse osmosis membrane of high selectivity, can make the inorganic salt clearance in water reach more than 99%, the aperture of film be less than 1nm can effective elimination the objectionable impurities such as various organism in water, particulate, bacterium, greatly improve the water quality of product water, and pollution-free, thereby be able to widespread use aspect pure water preparation.
Reverse osmosis unit 34 can be except anhydrating that middle most of soluble salt is divided, colloid, organism and microorganism.Former water qualified after pre-treatment enters the membrane module being placed in pressurized vessel, and the small molecules amount organism of water molecules and minute quantity is by rete, after conduit is concentrated, leads to the water producing pipe reverse osmosis water tank that reinjects.Otherwise intransitable just via the concentrated rear concentrated water discharge pipe that leads to of another group conduit, outside discharge system.On the water inlet of system, product water and dense waterpipe, a series of by-pass valve control is all housed, monitoring instrument and program control operation system, they are by the systematize operation of the equipment of assurance energy long term guarantee quality, guarantor's amount.
The material seeing through is had to optionally film and be called semi-permeable membranes, the film that generally can only can not see through through solvent solute be referred to as desirable semi-permeable membranes.For example, for example, when the dilute solution of same volume (fresh water) and strong solution (salt solution) are placed in respectively to the both sides of semi-permeable membranes, the solvent in dilute solution will be naturally through semi-permeable membranes and spontaneously to strong solution one side flow, this phenomenon is called infiltration.When infiltration reaches balance, the liquid level of strong solution side can exceed certain height than the liquid level of dilute solution, forms a pressure reduction, and this pressure reduction is osmotic pressure.The size of osmotic pressure depends on the inherent nature of solution, relevant and irrelevant with the character of semi-permeable membranes with kind, concentration and the temperature of solution.If when strong solution one side applies a pressure that is greater than osmotic pressure, the flow direction of solvent, by the infiltration opposite direction with original, starts from strong solution to dilute solution one side flow, and this process is called reverse osmosis.
Reverse osmosis is a kind of reverse locomotory movement of infiltration, a kind of under pressure-driven, separation method solute in solution and solvent being separated by means of the selective retention effect of semi-permeable membranes, it has been widely used in the purification of various liquid with concentrated, wherein the most general application example is in water technology, with reverse osmosis technology, by Impurity removals such as the mineral ion in former water, bacterium, virus, organism and colloids, its pore size filter reaches 0.005-0.08 μ m, can obtain high-quality pure water.
Cartridge filter 32, every cover reverse osmosis system all should configure a cartridge filter, and the minimum requirements in its filter bag aperture is for being less than 5 μ m, and it shields to film, prevents the destruction of the suspended particle that may exist.
Preferably, after-treatment system 4 comprises removing carbon dioxide device 41, desalination tank 42 and activated charcoal filter 43, removing carbon dioxide device 41, desalination tank 42 and activated charcoal filter 43 are communicated with successively by pipeline respectively, and removing carbon dioxide device 41 is communicated with the outlet conduit of reverse osmosis unit 34 by pipeline.
Activated charcoal filter 43, the materials such as colloid and organism, chlorine residue, colourity are difficult to utilize the mode of filtering to process.And process the simplest method of this material, be to adopt carbon leaching material to carry out adsorption treatment, because activated carbon surface is abound with the micropore of mean diameter 20-30 dust, so there is very high adsorptive power.In addition, activated carbon surface has a large amount of hydroxy functional groups, can carry out chemisorption and electrostatic attraction effect to the organism of various character.Therefore activated charcoal filter is used as the advanced treatment device in pretreatment system, and organism is down to minimum to the influence degree of reverse osmosis system.
Preferably, scum silica frost groove 23 is provided with mud discharge line 5.Be convenient to clear up the throw out in scum silica frost groove 23 and be convenient to clean scum silica frost groove 23.
Preferably, more medium filter 24 is provided with wastewater discharge pipe road 6.Be convenient to discharge be situated between more
Waste water in mass filter 24.
Preferably, activated charcoal filter 43 is provided with a water pipeline 7.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the utility model is not limited to embodiment disclosed and described above, to modifications and changes more of the present utility model, also should fall in the protection domain of claim of the present utility model.In addition,, although used some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (7)
1.Yi Zhong smeltery workshop Ni-containing Plating Wastewater treatment system up to standard, it is characterized in that: comprise pretreatment system (1), air supporting cleaning and filtering system (2), RO desalting system (3) and after-treatment system (4), described pretreatment system (1), air supporting cleaning and filtering system (2), RO desalting system (3) and after-treatment system (4) are interconnected by pipeline respectively, described air supporting cleaning and filtering system (2) comprises PT (21), air flotation pool (22), scum silica frost groove (23), more medium filter (24), backwash tank (25) and filter vat (26), described PT (21) is communicated with described air flotation pool (22) and filter vat (26) respectively by pipeline, described air flotation pool (22) is communicated with described scum silica frost groove (23) and more medium filter (24) respectively by pipeline, described multi-medium filtering groove (24) is communicated with described backwash tank (25) and filter vat (26) respectively by pipeline.
2. smeltery according to claim 1 workshop Ni-containing Plating Wastewater treatment system up to standard, it is characterized in that: described pretreatment system (1) comprises sheet frame interchanger (11), quantitative dosing device (12), distribution trough (13) and short mix chamber (14), described sheet frame interchanger (11), quantitative dosing device (12), distribution trough (13) and short mix chamber (14) are communicated with successively by pipeline.
3. smeltery according to claim 2 workshop Ni-containing Plating Wastewater treatment system up to standard, it is characterized in that: described RO desalting system (3) comprises the second quantitative dosing device (31), cartridge filter (32), high-pressure pump (33) and reverse osmosis unit (34), water in described cartridge filter (32) is evacuated in described reverse osmosis unit (34) by high-pressure pump (33), described the second quantitative dosing device (31) is arranged on the water inlet pipe of described cartridge filter (32), described reverse osmosis unit (34) is communicated with described backwash tank (25) by pipeline, the water inlet pipe of described cartridge filter (32) is communicated with described filter vat (26).
4. smeltery according to claim 3 workshop Ni-containing Plating Wastewater treatment system up to standard, it is characterized in that, described after-treatment system (4) comprises removing carbon dioxide device (41), desalination tank (42) and activated charcoal filter (43), described removing carbon dioxide device (41), desalination tank (42) and activated charcoal filter (43) are communicated with successively by pipeline respectively, and described removing carbon dioxide device (41) is communicated with the outlet conduit of described reverse osmosis unit (34) by pipeline.
5. smeltery according to claim 4 workshop Ni-containing Plating Wastewater treatment system up to standard, is characterized in that, described scum silica frost groove (23) is provided with mud discharge line (5).
6. smeltery according to claim 5 workshop Ni-containing Plating Wastewater treatment system up to standard, is characterized in that, described more medium filter (24) is provided with wastewater discharge pipe road (6).
7. according to workshop, the smeltery Ni-containing Plating Wastewater treatment system up to standard described in claim 1-6 any one, it is characterized in that, described activated charcoal filter (43) is provided with a water pipeline (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097418.4U CN203715430U (en) | 2014-03-05 | 2014-03-05 | Electroplating nickel-containing wastewater up-to-standard treatment system for workshops of metallurgical plants |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420097418.4U CN203715430U (en) | 2014-03-05 | 2014-03-05 | Electroplating nickel-containing wastewater up-to-standard treatment system for workshops of metallurgical plants |
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| CN203715430U true CN203715430U (en) | 2014-07-16 |
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| CN201420097418.4U Expired - Fee Related CN203715430U (en) | 2014-03-05 | 2014-03-05 | Electroplating nickel-containing wastewater up-to-standard treatment system for workshops of metallurgical plants |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276946A (en) * | 2018-11-12 | 2019-01-29 | 山东华建铝业科技有限公司 | A kind of aluminum profile production multi-functional environment-protection filtering cleaning device |
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2014
- 2014-03-05 CN CN201420097418.4U patent/CN203715430U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276946A (en) * | 2018-11-12 | 2019-01-29 | 山东华建铝业科技有限公司 | A kind of aluminum profile production multi-functional environment-protection filtering cleaning device |
| CN109276946B (en) * | 2018-11-12 | 2023-12-15 | 山东华建铝业科技有限公司 | Multifunctional environment-friendly filtering and cleaning device for aluminum profile production |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190305 |
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| CF01 | Termination of patent right due to non-payment of annual fee |