CN203922912U - Industry strong brine zero discharge treatment device - Google Patents
Industry strong brine zero discharge treatment device Download PDFInfo
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- CN203922912U CN203922912U CN201420007273.4U CN201420007273U CN203922912U CN 203922912 U CN203922912 U CN 203922912U CN 201420007273 U CN201420007273 U CN 201420007273U CN 203922912 U CN203922912 U CN 203922912U
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- Prior art keywords
- water
- film device
- pipeline
- film
- softening
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- Expired - Lifetime
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- 239000012267 brine Substances 0.000 title claims abstract description 31
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title claims abstract description 31
- 208000028659 discharge Diseases 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 28
- 238000002425 crystallisation Methods 0.000 claims abstract description 27
- 230000008025 crystallization Effects 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000000126 substance Substances 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 238000011010 flushing procedure Methods 0.000 claims abstract description 3
- 238000001704 evaporation Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001471 micro-filtration Methods 0.000 claims description 7
- 239000006200 vaporizer Substances 0.000 claims description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 5
- 239000010802 sludge Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 1
- 238000005457 optimization Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 12
- 239000012528 membrane Substances 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 235000019600 saltiness Nutrition 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- PALNZFJYSCMLBK-UHFFFAOYSA-K magnesium;potassium;trichloride;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].[Cl-].[K+] PALNZFJYSCMLBK-UHFFFAOYSA-K 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004094 preconcentration Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
A kind of industrial strong brine zero discharge treatment device, comprise: water inlet equalizing tank, reuse pool, mud collecting tank, softening film device, reverse osmosis unit, high pressure reconcentration film device, evaporated crystallization device, separating centrifuge, plate-and-frame filter press, it is characterized in that described water inlet equalizing tank, softening film device, reverse osmosis unit, high pressure reconcentration film device, evaporated crystallization device, reuse pool, between mud collecting tank, through pipeline, connect, in softening film device, be provided with chemicals dosing plant, softening film device is provided with a pressure valve, in connecting to form the self-stripping system mud collecting tank of softening film device, pipeline and flushing pump be provided with plate-and-frame filter press, separating centrifuge outlet crystallisate and plate-and-frame filter press mud extraction merge.The utility model has the advantages that by the process optimizations such as chemical method, embrane method, hot method are integrated into device, reach the lowest coursing cost, operate the easiest.Can, fundamentally by dense water decrement or curing, realize the reuse of water resources maximum.
Description
Technical field
The present invention relates to a kind of environmental protection equipment and technique, particularly a kind of industrial strong brine zero discharge treatment device.
Background technology
Along with the attention of people to environmental protection, for the large enterprise of water consumption and mechanism, the dense water of the final high COD of high salt (chemical oxygen demand (COD)) content producing of degree of depth reuse, at present conventional have methods such as surface water discharge, deep-well injection, sprinkling irrigation, evaporation tank, quenching, but can not fundamentally reduce the discharge of concentrated solution, not only caused the waste of water resources, and soil, surface water, ocean environment etc. have been had a negative impact.If process rear reuse, supersalinity adopts conventional embrane method to be difficult to realize, if it is high to exist again power consumption with Re Fa, and the problems such as working cost height, general enterprises is difficult to bear.
Summary of the invention
Goal of the invention of the present utility model is for the defect existing in prior art, and a kind of industrial strong brine zero discharge treatment device is provided.By process optimizations such as chemical method, embrane method, hot methods, integrate, reach the lowest coursing cost, operate the easiest.Can realize the reuse of water resources maximum fundamentally by dense water decrement or curing, help enterprise to realize the transition from " qualified discharge " to " zero release ".
The utility model comprises: water inlet equalizing tank, reuse pool, mud collecting tank, softening film device, reverse osmosis unit, high pressure reconcentration film device, evaporated crystallization device, separating centrifuge, plate-and-frame filter press, it is characterized in that described water inlet equalizing tank water outlet is connected with softening film device water-in through pipeline and lift pump, in softening film device, be provided with chemicals dosing plant, softening film device water outlet is connected through pipeline with reverse osmosis unit water-in, softening film device is provided with sludge outlet, sludge outlet is connected through pipeline with mud collecting tank, after mud collecting tank, be provided with plate-and-frame filter press, the dense water water outlet of reverse osmosis unit is connected through pipeline with high pressure reconcentration film device water-in, the pure water inlet of reverse osmosis unit is connected through pipeline with reuse pool, the dense water water outlet of high pressure reconcentration film device is connected through pipeline with evaporated crystallization device water-in, the pure water inlet of high pressure reconcentration film device is connected through pipeline with reuse pool, evaporated crystallization device is processed rear condensate outlet and is connected through pipeline with reuse pool, the outlet of evaporated crystallization device underflow is connected through pipeline with separating centrifuge import, separating centrifuge outlet crystallisate and plate-and-frame filter press mud extraction merge.
Described softening film device is provided with a pressure valve, through pipeline and flushing pump, connects to form the self-stripping system that softens film device.
The micro-filtration immersion type tubular film of described softening film device for being made by polytetrafluoroethylmaterial material.
Described reverse osmosis unit is comprised of three layers of pollution-resistant polyamide composite film, upper layer is aromatic polyamide material, and supported by one deck micropore polysulfones layer, can bear high pressure, to mechanical tension and the better resistivity of chemical erosion tool, this element has relatively large permeant flux, to NaCl, CaCl
2, MgCl
2there is more than 99% decreasing ratio.
Described high pressure reconcentration film device is wide runner design structural membrane, diaphragm level in film bag is stacking, by O type circle and gasket, separated, process through tolerating high COD value antipollution on film surface, in device, be provided with mechanical high-frequency vibration device, vibrating device lower eccentric piece is in the raw twisting vibration of changing the line of production of driven by motor backspin, driver plate is delivered to this twisting vibration to filter in membranous disc, periodically reverse and can on film, produce the strong shearing force that is in time sinusoidal variation, alleviate concentration polarization and film and pollute, reduce film and stop up possibility.Device proof pressure can be up to 689500Pa.
Described evaporated crystallization device is multiple-effect pump circulation form, and the secondary steam producing while evaporating in front end vaporizer is as the heating steam of rear end vaporizer, multiple-effect utilization.
Strong brine saltiness maximum value after high pressure reconcentration film device is processed is 100,000ppm.
The utility model has the advantages that by the process optimizations such as chemical method, embrane method, hot method are integrated into device, reach the lowest coursing cost, operate the easiest.Can, fundamentally by dense water decrement or curing, realize the reuse of water resources maximum.
Accompanying drawing explanation
Fig. 1 structured flowchart of the present utility model.
In figure: 1 softening film device, 2 reverse osmosis units, 3 high pressure reconcentration film devices, 4 evaporated crystallization devices, 5 separating centrifuges, 6 plate-and-frame filter press.
Embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model:
The present embodiment is comprised of the equalizing tank of intaking, reuse pool, mud collecting tank, softening film device 1, reverse osmosis unit 2, high pressure reconcentration film device 3, evaporated crystallization device 4, separating centrifuge 5, plate-and-frame filter press 6.
Water inlet equalizing tank water outlet is connected with softening film device 1 water-in through pipeline and lift pump, in softening film device 1, is provided with chemicals dosing plant, and softening film device 1 comprises retort, immersed microfiltration film district, self-stripping system.The material of the micro-filtration submerged membrane of softening film device 1 is tetrafluoroethylene.After dosing, water is squeezed into retort from the bottom to top by pump, arrives film district, by external-compression type water, sees through from outside to inside film surface, and clear water is taken away from top, leaves the impurity such as suspended solid on film surface.Softening film device is provided with a pressure valve, when film surface contaminant gathers to a certain degree, pressure rise, wash pressure valve open, automatically close inlet valve, pressure reduction makes clear water toward external application impulse force, will be attached to de-the peeling off of pollution substance punching on film surface from interior, after pressure recovery, pressure valve is closed, and inlet valve is opened, and filters.Mud gravity sinks to retort bucket and drains.Softening film device 1 water outlet is connected through pipeline with reverse osmosis unit 2 water-ins, and the sludge outlet of softening film device 2 is connected through pipeline with mud collecting tank.
Reverse osmosis unit 2 is comprised of three layers of pollution-resistant polyamide composite film, and upper layer is aromatic polyamide material, and is supported by one deck micropore polysulfones layer, can bear high pressure, to mechanical tension and the better resistivity of chemical erosion tool, this element has relatively large permeant flux, to NaCl, CaCl
2, MgCl
2there is more than 99% decreasing ratio.Reverse osmosis unit 2 water outlets are connected through pipeline with high pressure reconcentration film device 3 water-ins, and the reuse water outlet of reverse osmosis unit 2 is connected through pipeline with reuse pool.
High pressure reconcentration film device 3 is wide runner design structural membrane, diaphragm level in film bag is stacking, by O type circle and gasket, separated, process through tolerating high COD value antipollution on film surface, in device, be provided with mechanical high-frequency vibration device, vibrating device lower eccentric piece is in the raw twisting vibration of changing the line of production of driven by motor backspin, driver plate is delivered to this twisting vibration to filter in membranous disc, periodically reverse and can on film, produce the strong shearing force that is in time sinusoidal variation, alleviate concentration polarization and film and pollute, reduce film and stop up possibility.Device proof pressure can be up to 689500Pa.High pressure reconcentration film device 3 water outlets are connected through pipeline with evaporated crystallization device 4 water-ins, and the reuse water outlet of high pressure reconcentration film device 3 is connected through pipeline with reuse pool.
Evaporated crystallization device 4 is multiple-effect pump circulation form, and the secondary steam producing while evaporating in front end vaporizer is as the heating steam of rear end vaporizer.Evaporated crystallization device 4 outlets are connected through pipeline with separating centrifuge 5 imports, and separating centrifuge 5 outlet crystallisates and plate-and-frame filter press 6 mud extractions merge.
Referring to Fig. 1.Industry strong brine Zero-discharge treating process follows these steps to carry out industrial strong brine and system reuse water enters equalizing tank, carries out homogeneous, stabilizing water quantity in equalizing tank.Equalizing tank water outlet is delivered to 1. softening film devices through lift pump.By adding after the softening reaction treatment of caustic soda-soda ash, the membrane filter appts that employing is adapted to tetrafluoroethylene (PTFE) material of high strong brine filters, can make in water superfluous OH-content within the scope of 0.1~0.2mmol/L, in water, carbonate hardness major part is removed, residual carbonate hardness can be down to 0.5~1.0mmol/L, residual alkalinity is at 0.8~1.2mmol/L, insoluble organic matter removal 25% left and right, silicide removes 30%~35%, and water outlet meets reverse osmosis unit 2 water inlet requirements.After softening film, water outlet enters reverse osmosis unit 2, and the clear water after reverse osmosis unit 2 is processed enters reuse pool, and dense water enters high pressure reconcentration film device 3, and the discharge reduction 70% after concentrating, if amount of inlet water 1000m
3/ h, needs the dense water discharge reduction of processing to 300m herein
3/ h.Saltiness is in 20000mg/L left and right.Strong brine is squeezed into high pressure reconcentration film device 3 by high-pressure pump.The rate of recovery of high pressure reconcentration film device 3 can reach more than 80%, and strong brine enters high pressure reconcentration film device 3 to carry out after secondary concentration, more than the saltiness of strong brine is promoted to 100,000ppm (10%wt).The water that high pressure reconcentration film device 3 produces enters reuse pool, and strong brine enters subsequent evaporation crystallization apparatus 4.High pressure reconcentration film device 3 can be reduced to 60m again by the need water yield to be processed
3/ h, is relatively directly used evaporative crystallization technique, discharge reduction 94%, scale and working cost also relative minimizing.Final strong brine is driven into evaporated crystallization device 4, at this, pass through pump circulation, liquid is heated in heating chamber, separate vapour and remaining liq in separate chamber, final vapor condensation becomes clear liquid and sends reuse pool back to, and dope first changes slurries in vaporizer, then by crystallization, the separated solid-liquid of whizzer, finally obtain xln, accomplish liquid zero emission.Together with the waste residue of the waste residue of evaporative crystallization and film softening installation, deliver to special disposal center processing.
Industry strong brine Zero-discharge treating process:
Steps A industry strong brine is first by softening film device pre-treatment and removing the ion of easy fouling: wherein soften film device, comprise retort, immersed microfiltration film district, self-stripping system.By chemicals dosing plant, throw in chemical softener and the medicament stir coagulation of flocculating, then hold back hardness flocculate precipitate by micro-filtration submerged membrane.After dosing, water is squeezed into retort from the bottom to top by pump, arrives film district, by external-compression type water, sees through from outside to inside film surface, and clear water is taken away from top, leaves the impurity such as suspended solid on film surface.Softening film device is provided with a pressure valve, when film surface contaminant gathers to a certain degree, pressure rise, wash pressure valve open, automatically close inlet valve, pressure reduction makes clear water toward external application impulse force, will be attached to de-the peeling off of pollution substance punching on film surface from interior, after pressure recovery, pressure valve is closed, and inlet valve is opened, and filters.Mud gravity sinks to retort bucket and drains.Reuse water in steps A in strong brine and reuse pool is delivered to softening film device by the equalizing tank of intaking through lift pump, add softening medicament and flocculation medicament, carry out coagulating, remove calcium magnesium hardness and COD partly in former water, COD clearance approximately 15% left and right, and by the insoluble COD material in the former water of microfiltration membrane filtering, clearance approximately 20% left and right, make to enter COD in the water inlet of pre-concentration reverse osmosis unit and be reduced to below 100mg/l, guarantee the steady running of reverse osmosis unit.
Step B reverse osmosis unit carries out decrement to the strong brine of processing through previous step and concentrates: the wherein water reuse after most of processing, strong brine after remaining a small amount of concentrating enters subsequent step: it is concentrated that the strong brine that wherein reverse osmosis unit is processed previous step carries out decrement, the saltiness of water inlet is concentrated into 20000ppm left and right, COD content in dense water is concentrated into 300mg/l left and right, strong brine enters high pressure reconcentration film device and is for further processing, and the reuse water that reverse osmosis produces enters reuse pool.
Strong brine decrement after step C further processes reverse osmosis unit by high pressure reconcentration film device is concentrated: the strong brine that wherein enters high pressure reconcentration film device has supersalinity, the water quality characteristics of high COD, if adopt common pollution-resistant reverse osmosis membrane and the multistage concentration technology of sea water desaltination film, cannot meet tolerance supersalinity simultaneously, high COD and simultaneously guarantee the service requirements of high-recovery, the structure that the present invention adopts film surface to process through tolerating high COD value antipollution, make high pressure reverse osmosis membrane applicable to supersalinity water quality, can tolerate the strong brine of high COD value completely, can guarantee the above rate of recovery of system design 80% simultaneously.Strong brine enters the special reconcentration film device of high pressure to carry out after secondary concentration, more than the saltiness of strong brine is promoted to 100,000ppm (10%wt).The water that high pressure reconcentration film device produces enters reuse pool.
Step D finally turns to solid by evaporated crystallization device by final liquid rotating, and the reuse water after processing reaches reuse standard: wherein multiple-effect evaporation crystallization apparatus adopts multiple-effect pump circulation form.The secondary steam producing while evaporating in front 1st effective evaporator, as the heating steam of rear 1st effective evaporator, can be saved steam usage quantity.Equipment comprises heating chamber, separate chamber, fresh feed pump, discharging pump, recycle pump, liquid distributor, forced circulation pump, condensate pump, cooling-water pump, shell-and tube condenser, vacuum system, middle still, stiff still etc.Feed liquid after heating enters separator from well heater top, the steam being evaporated in well heater rises simultaneously in separator, from the top of separator, discharges, and enters the well heater of next effect by secondary steam pipe, and become the thermal source of next effect, be finally condensed into water.Feed liquid after concentrated is mixed with the feed liquid that newly enters separate chamber, from the pipeline of separator bottom, enters well heater, forms evaporation working cycle.The steam that final stage produces, by entering in the condenser of, is water by steam reforming.After crystallization discharging, through middle still, by pump, be promoted to stiff still subsequently, in stiff still, stop and cool, from flowing to separating centrifuge, realizing solid-liquid separation subsequently, crystal after separation is that water ratio is the carnallite crystallization of 7-15%, mother liquor is collected mother liquor storage tank, and pump, to crystallizer opening for feed, mixes with concentrated solution and continues evaporative crystallization subsequently.Feed liquid forms magma, and TDS content is concentrated into 70%wt left and right, is collected into mother liquor collecting tank, and the water that evaporation produces is collected into reuse pool by condenser; Magma in mother liquor pond is delivered to whizzer by product pump and carries out solid-liquid separation, forms waste residue.
Above-mentioned steps A, step B, step C form technique minimizing workshop section, and described step D forms technique evaporation section.In steps A, in softening installation, spoil disposal enters after mud collecting tank again with plate-and-frame filter press compression, focuses on together with the salt slurry of discharging with step D whizzer, forms technique waste residue and processes workshop section.
Claims (5)
1. an industrial strong brine zero discharge treatment device, comprise: water inlet equalizing tank, reuse pool, mud collecting tank, softening film device, reverse osmosis unit, high pressure reconcentration film device, evaporated crystallization device, separating centrifuge, plate-and-frame filter press, it is characterized in that described water inlet equalizing tank water outlet is connected with softening film device water-in through pipeline and lift pump, in softening film device, be provided with chemicals dosing plant, softening film device water outlet is connected through pipeline with reverse osmosis unit water-in, softening film device is provided with sludge outlet, sludge outlet is connected through pipeline with mud collecting tank, after mud collecting tank, be provided with plate-and-frame filter press, the dense water water outlet of reverse osmosis unit is connected through pipeline with high pressure reconcentration film device water-in, the water purification reuse water water outlet of reverse osmosis unit is connected through pipeline with reuse pool, the dense water water outlet of high pressure reconcentration film device is connected through pipeline with evaporated crystallization device water-in, the reuse water pure water inlet of high pressure reconcentration film device is connected through pipeline with reuse pool, condensate outlet after evaporated crystallization device is processed is connected through pipeline with reuse pool, the outlet of evaporated crystallization device underflow is connected through pipeline with separating centrifuge import, separating centrifuge outlet crystallisate and plate-and-frame filter press mud extraction merge.
2. industrial strong brine zero discharge treatment device according to claim 1, is characterized in that described softening film device is provided with a pressure valve, through pipeline and flushing pump, connects to form the self-stripping system that softens film device.
3. industrial strong brine zero discharge treatment device according to claim 1, is characterized in that the micro-filtration immersion type tubular film that described softening film device is tetrafluoroethylene.
4. industrial strong brine zero discharge treatment device according to claim 1, it is characterized in that described high pressure reconcentration film device is wide flow passage structure film, diaphragm level in film bag is stacking, by O type circle and gasket, separated, process through tolerating high COD value antipollution on film surface, in device, be provided with mechanical high-frequency vibration device, device proof pressure can be up to 689500Pa.
5. industrial strong brine zero discharge treatment device according to claim 1, it is characterized in that described evaporated crystallization device is the pump circulation form that steam multiple-effect is utilized, the secondary steam producing while evaporating in front end vaporizer is as the heating steam of rear end vaporizer.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104445788A (en) * | 2014-12-24 | 2015-03-25 | 新疆德蓝股份有限公司 | Zero-emission integrated process for treatment and reuse of high-salinity wastewater |
CN104761091A (en) * | 2014-01-07 | 2015-07-08 | 麦王环境技术股份有限公司 | Industrial concentrated brine zero-discharge treatment process and device |
CN106565045A (en) * | 2015-10-10 | 2017-04-19 | 麦王环境技术股份有限公司 | Complete equipment for stainless steel pickling wastewater treatment and resource recycling and treatment process |
CN110156230A (en) * | 2018-03-27 | 2019-08-23 | 德蓝水技术股份有限公司 | A kind of Thermal Power Generation Industry high efficient utilization of water resources integrated approach |
CN112524377A (en) * | 2020-11-07 | 2021-03-19 | 胜利油田金岛工程安装有限责任公司 | Polytetrafluoroethylene valve group |
-
2014
- 2014-01-07 CN CN201420007273.4U patent/CN203922912U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104761091A (en) * | 2014-01-07 | 2015-07-08 | 麦王环境技术股份有限公司 | Industrial concentrated brine zero-discharge treatment process and device |
CN104445788A (en) * | 2014-12-24 | 2015-03-25 | 新疆德蓝股份有限公司 | Zero-emission integrated process for treatment and reuse of high-salinity wastewater |
CN104445788B (en) * | 2014-12-24 | 2016-06-08 | 新疆德蓝股份有限公司 | High slat-containing wastewater treatment for reuse zero-emission integrated technique |
CN106565045A (en) * | 2015-10-10 | 2017-04-19 | 麦王环境技术股份有限公司 | Complete equipment for stainless steel pickling wastewater treatment and resource recycling and treatment process |
CN110156230A (en) * | 2018-03-27 | 2019-08-23 | 德蓝水技术股份有限公司 | A kind of Thermal Power Generation Industry high efficient utilization of water resources integrated approach |
CN112524377A (en) * | 2020-11-07 | 2021-03-19 | 胜利油田金岛工程安装有限责任公司 | Polytetrafluoroethylene valve group |
CN112524377B (en) * | 2020-11-07 | 2021-08-24 | 胜利油田金岛工程安装有限责任公司 | Polytetrafluoroethylene valve group |
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