CN209161723U - A kind of high-salt wastewater processing recycling integrated apparatus - Google Patents
A kind of high-salt wastewater processing recycling integrated apparatus Download PDFInfo
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- CN209161723U CN209161723U CN201821242113.2U CN201821242113U CN209161723U CN 209161723 U CN209161723 U CN 209161723U CN 201821242113 U CN201821242113 U CN 201821242113U CN 209161723 U CN209161723 U CN 209161723U
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- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 150000003839 salts Chemical class 0.000 claims abstract description 32
- 239000013078 crystal Substances 0.000 claims abstract description 20
- 238000001728 nano-filtration Methods 0.000 claims abstract description 20
- 238000001704 evaporation Methods 0.000 claims abstract description 12
- 230000008020 evaporation Effects 0.000 claims abstract description 12
- 238000002425 crystallisation Methods 0.000 claims abstract description 10
- 230000008025 crystallization Effects 0.000 claims abstract description 10
- 230000008014 freezing Effects 0.000 claims abstract description 9
- 238000007710 freezing Methods 0.000 claims abstract description 9
- 238000005057 refrigeration Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 239000012528 membrane Substances 0.000 claims description 19
- 230000003750 conditioning effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 15
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract description 5
- 235000019341 magnesium sulphate Nutrition 0.000 abstract description 5
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 abstract description 4
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 4
- 239000011780 sodium chloride Substances 0.000 abstract description 4
- 229910001415 sodium ion Inorganic materials 0.000 abstract description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000008235 industrial water Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000003513 alkali Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- -1 salt sodium chloride Chemical class 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- HDFXRQJQZBPDLF-UHFFFAOYSA-L disodium hydrogen carbonate Chemical compound [Na+].[Na+].OC([O-])=O.OC([O-])=O HDFXRQJQZBPDLF-UHFFFAOYSA-L 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 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
- 239000000463 material Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of high-salt wastewater processing recycling integrated apparatus, more particularly to a kind of high-salt wastewater processing recycling integrated apparatus, mainly divide salt system, mechanical refrigeration crystal system, MVR forced-circulation evaporation crystal system and PLC control cabinet including pretreatment system, film；High-salt wastewater obtained after being handled by pretreatment system it is high containing magnesium ion, sodium ion, chloride ion, sulfate radical waste water, obtain divalent salts and monovalent salt two parts concentrated water using second level nanofiltration system；Monovalent salt waste water enters MVR forced-circulation evaporation crystal system, and the moisture evaporated becomes condensed water discharge, output sodium chloride crystal salt；Divalent salts waste water enters mechanical refrigeration crystal system, generates degree of supersaturation by constantly cooling by continuous freezing and crystallizing device to obtain epsom salt crystallization；Nanofiltration and the water outlet of crystal system can be with reuses to industrial water；Occupied area is small, and process flow is short, and dosage reduces, high degree of automation.
Description
Technical field
The utility model belongs to wastewater zero discharge, resource more particularly to a kind of high-salt wastewater processing recycling integrated apparatus
Change process field.
Background technique
In recent years, China has put into effect " water prevention and cure of pollution action plan " (ten, abbreviation water), " control pollutant emission license
Embodiment processed ", a series of environmental protection policy regulation such as " thermal power plant's pollution prevention technique policy ", propose to implement most stringent of water
Resource management." People's Republic of China's environmental protection tax law " to go into effect for 2018, water pollutant, solid waste are returned
For " taxable pollutant ".Show that the CPC Central Committee and the State Council pays much attention to Eco-environmental Protection Works, thermal power plant as water consumption rich and influential family,
Pressure in terms of Water Resources Restriction with discharge limitation suddenly rises.
Waste water from power plant zero-discharge technology in China's will enter the high speed development stage at present, however, Zero discharging system
Design and operating experience are insufficient, face high calcium-containing magnesium strong brine, and system flexibility is poor, and in addition high processing cost is also weight
The restraining factors wanted.Leader and pioneer of the bright company of Longshine as zero-discharge technology in industry have stronger scientific research base
Plinth and engineering experience carry out high-salt wastewater to reduce operating cost, improve treatment effect, inexpensive resource utilization as target
High efficiency, low cost recovery technology has important practical significance and is worth.
Utility model content
The utility model aim is to provide a kind of high-salt wastewater processing recycling integrated apparatus, it is intended to solve above-mentioned background
Technical problem.The present invention overcomes existing technical problem, using the softening of single alkali, two fraction salt, freezing and evaporative crystallization technique,
Pretreatment dosage is reduced, the waste water concentrated water section of conventional process route is saved, solves current technique of zero discharge too long in flow, is taken up an area
Area is excessive, and dosing is costly, the high problem of investment cost, output technical grade salt sodium chloride and epsom salt, nanofiltration and
The water outlet of crystal system condenses water conductivity less than 100 μ s/cm, and direct reuse realizes the inexpensive recycling of high-salt wastewater
It recycles, provides guidance for engineering design and engineering practice.
The technical solution of the utility model is realized in the following way: a kind of high-salt wastewater processing recycling one makeup
It sets, which is characterized in that divide salt system, mechanical refrigeration crystal system, MVR forced-circulation evaporation crystallization including pretreatment system, film
System and PLC control cabinet；The pretreatment system includes intake pump, conditioning tank, two-stage reaction pond, liquid level sensor, online pH
Meter, online ORP meter, circulating pump, tubular membrane filter device, water outlet pump；The film point salt system includes buffer pool, level sensing
Device, online pH meter, online conductivity meter, second level nanofiltration device, pressure sensor；Freezing and crystallizing system includes refrigerating plant, height
Fast seperator, temperature sensor；The evaporation and crystallization system is equipped with heater, separator and forced circulation pump；The conditioning tank
With in buffer pool be equipped with metering pump, elevator pump, spiral agitator, online pH meter and liquid level sensor；It is equipped in the reaction tank
Metering pump, spiral agitator, online pH meter and liquid level sensor；The water inlet of the nanofiltration device and tubular membrane filter device and
Water outlet is equipped with pressure sensor；The tubular membrane filter device water inlet is counted equipped with online ORP；
Particularly, the pretreatment system water outlet is connected with the water inlet of film point salt system；
Particularly, the film divides salt system water outlet to be connected with mechanical refrigeration crystal system water inlet；
Particularly, the intake pump is connected with conditioning tank water inlet；
Particularly, the conditioning tank is connected with reaction tank top；
Particularly, the reaction tank water outlet is connected with tubular membrane filter device water inlet；
Particularly, the tubular membrane filter device water outlet is connected with buffer pool water inlet；
Particularly, the buffer pool water outlet is connected with nanofiltration device water inlet；
Particularly, the nanofiltration device water outlet is connected with freezing and crystallizing system and evaporation and crystallization system water inlet respectively；
Particularly, the intake pump, water outlet pump, liquid level sensor, online pH meter, online conductivity meter, pressure sensor,
Elevator pump, spiral agitator are connected with PLC control cabinet；
Particularly, 10.5~11.5, the pH of the buffer pool is controlled for the conditioning tank and the pH in two-stage reaction pond control
4~6.
By using preceding solution, the present invention has the advantage that and good effect:
(1) a kind of high-salt wastewater processing recycling integrated apparatus, which is characterized in that Dual alkali is replaced using single alkali sodium carbonate
Sodium carbonate+sodium hydroxide mode softens pretreatment high-salt wastewater, reduces the medicament addition of more than half, meanwhile, solve double alkali
The problem that the existing precipitating gypsum of method needs to reprocess, magnesium hydroxide is difficult to settle.
(2) the utility model reduces pretreatment dosing using single alkali softening, two fraction salt, freezing and evaporative crystallization technique
Amount, saves the waste water concentrated water section of conventional process route, solves current technique of zero discharge too long in flow, occupied area is excessive, dosing
Costly, the high problem of investment cost, output technical grade salt sodium chloride and epsom salt, nanofiltration and crystal system go out
Water, condensation water conductivity are less than 100 μ s/cm.
(3) the utility model uses tubular type membrane filtration system, improves solid-liquid separation effect, instead of three headers and sedimentation basin,
Occupied area is saved in filter tank, and operating cost is lower, high degree of automation, flexible operation.
Device of the present invention can be widely applied to the desulfurization wastewater of thermal power plant, RO concentrated water, regenerative wastewater and other are with high salt
The advanced treating of waste water, the recycling low-cost zero-discharge especially suitable for thermal power plant.
Detailed description of the invention
Fig. 1 is utility model schematic device；
In figure: 1- intake pump, 2- conditioning tank, 3- liquid level sensor, the online pH meter of 4-, 5- spiral agitator, the online ORP of 6-
Meter, 7- reaction tank, 8- buffer pool, 9- elevator pump, 10- circulating pump, 11- pressure sensor, 12- PLC control cabinet, 13- are online
Conductivity meter.
Specific embodiment
With reference to the accompanying drawing 1 and embodiment the invention will be further described:
As shown in Figure 1, a kind of high-salt wastewater processing recycling integrated apparatus and method, which is characterized in that including pretreatment
System, film divide salt system, mechanical refrigeration crystal system, MVR forced-circulation evaporation crystal system and PLC control cabinet 12；It is described pre-
Processing system includes intake pump 1, conditioning tank 2, two-stage reaction pond 7, liquid level sensor 3, online pH meter 4, online ORP meter 6, circulation
Pump 10, tubular membrane filter device, water outlet pump；The film point salt system include buffer pool 8, liquid level sensor 3, online pH meter 4,
Line conductivity meter 13, second level nanofiltration device, pressure sensor 11；It is equipped with metering pump 9 in the conditioning tank and buffer pool, is promoted
Pump, spiral agitator, online pH meter and liquid level sensor；Metering pump, spiral agitator 5, online pH are equipped in the reaction tank
Meter 4 and liquid level sensor 3；The inlet and outlet of the nanofiltration device and tubular membrane filter device are equipped with pressure sensor
11；The tubular membrane filter device water inlet is equipped with online ORP meter 6.
A kind of high-salt wastewater processing recycling integrated apparatus, carrying out practically step are as follows:
(1) activation system:
Desulfurization wastewater, RO concentrated water, the concentrated water with high salt of regenerative wastewater are inputted into conditioning tank, concentration of suspension by intake pump
(SS) control in 20000mg/L hereinafter, by sodium hydroxide adjusting pH value 10.5~11.5, waste water outflow into reaction tank,
Sodium carbonate is added, the control reaction time is 5~10min, after fully reacting, enters tubular membrane filter device by elevator pump, is led to
Circulating pump is crossed to recycle in tubular membrane；Tubular membrane filter device water outlet enters buffer pool, by sulphur acid for adjusting pH value 4~6, adjusts
Waste water after matter enters second level nanofiltration device, and water outlet is divided into divalent salts and monovalent salt two parts；Monovalent salt water outlet enters evaporation knot
Crystallographic system system, divalent salts water outlet enter mechanical refrigeration crystal system；Nanofiltration and the water outlet of crystal system can be with reuses to industrial water.
(2) operation control:
I: device continuous operation, the starting of PLC control cabinet control device, when starting, auger in buffer pool and reaction tank
Device starting and continuous operation；Conditioning tank promotes pump startup in pretreatment system, and intermittent suction is opened, is respectively set to 15 between the stopping time
~20min and 20s；PH value range is set, and conditioning tank and reaction tank are 10.5~11.5, and buffer pool is 4~6；Transmembrane pressure is set
Difference, tubular membrane filter device are 2.4~3bar, nanofiltration device 0.1bar；ORP value height is set and limits 200mv；
II: being equipped with liquid level sensor in buffer pool and conditioning tank, for measuring the liquid level in buffer pool and being transferred to PLC control
High liquid level and low liquid level is respectively set to liquid level in buffer pool in PLC control cabinet in cabinet processed, when liquid level is lower than low liquid in buffer pool
Position, pump startup of intaking, starts to intake；When liquid level reaches high liquid level in buffer pool, intake pump is out of service, stops water inlet；Buffering
Online pH meter is equipped in pond, conditioning tank and reaction tank, when pH is too low, sodium hydroxide measures pump startup, when pH is excessively high, sulfuric acid
Measure pump startup；When ORP is excessively high, sodium hydroxide measures pump startup；
III: when being operating abnormally, PLC control cabinet controls lower device and enters guard mode, at this time intake pump, metering pump, follow
Ring pump, spiral agitator, elevator pump, water outlet pump are out of service；When liquid level is lower than low liquid level in buffer pool and reaction tank, it is
System enters guard mode；Determination of pressure sensor transmembrane pressure, when transmembrane pressure be greater than PLC control cabinet in set numerical value when, be
System enters guard mode；When pH is too low or excessively high, elevator pump and circulating pump are out of service, metering pump continuous operation；ORP is excessively high
When, elevator pump and circulating pump are out of service, metering pump continuous operation.
(3) high-salt wastewater to be processed enters conditioning tank, reaction tank by intake pump, and reaction tank adds sodium carbonate, dosage
It is 1:1 with the calcium ion molar ratio in waste water, waste water is recycled in tubular membrane filter device by circulating pump, and it is next to produce water progress
Step processing, concentrated water are back to reaction tank, control in reaction tank concentration of suspension (SS) control in 20000mg/L hereinafter, exceeding this value,
A part of waste water is discharged, the main function of this process is the calcium ion and suspended matter removed in high-salt wastewater, is made main in waste water
Wanting ion is magnesium ion, sodium ion, chloride ion, sulfate radical；Tubular membrane filter device produces water and enters buffer pool, is adjusted by sulfuric acid
PH value is 4~6, it is therefore an objective to prevent nanofiltration membrane fouling, acid high-salt wastewater enters second level nanofiltration device, water outlet be divided into divalent salts and
Monovalent salt two parts, mainly contain magnesium ion and sulfate radical in divalent salts waste water, in monovalent salt waste water mainly containing sodium ion, chlorine from
Son；Monovalent salt waste water enters MVR forced-circulation evaporation crystal system, and the moisture evaporated becomes condensed water discharge, output chlorination
Sodium crystal salt；Divalent salts waste water enters mechanical refrigeration crystal system, is generated by continuous freezing and crystallizing device by constantly cooling
Saturation degree is to obtain epsom salt crystallization.
(4) nanofiltration and the water outlet of crystal system, condensation water conductivity are less than 100 μ s/cm.
Below with reference to embodiment, device technique scheme of the present invention is further described:
By taking certain coal-burning power plant, city high-salt wastewater as an example, waste water mainly includes circulating sewage and desulfurization wastewater: Mg2+=13000
~ 15000 mg/L, SO4 2+=50000 ~ 580000mg/L, pH=7~8, NH4 +=22 ~ 25 mg/L, Na+=1900 ~ 2100 mg/L, K+=300~320 mg/L.Experimental rig is as shown in Figure 1, be stainless steel material pilot-plant, high-salt wastewater treating capacity is 2.4m3/h。
Softened using traditional Dual alkali, strong brine directly carries out flue evaporation or evaporative crystallization processing, and dosing expense is 80~100
Yuan/ton water, finally generates carnallite, is solid waste；Using apparatus of the present invention, output sodium chloride and ten water magnesium sulfates, by essence
System processing, obtains technical grade salt, the fresh water conductance generated in the process less than 200 μ s/cm, can direct reuse it is cold to power plant cycle
But water moisturizing.
Claims (4)
1. a kind of high-salt wastewater processing recycling integrated apparatus, which is characterized in that divide salt system, machine including pretreatment system, film
Tool freezing and crystallizing system, MVR forced-circulation evaporation crystal system and PLC control cabinet；The pretreatment system includes intake pump, adjusts
Save pond, two-stage reaction pond, liquid level sensor, online pH meter, online ORP meter, circulating pump, tubular membrane filter device, water outlet pump；Institute
Stating film point salt system includes buffer pool, liquid level sensor, online pH meter, online conductivity meter, second level nanofiltration device, pressure sensing
Device；Freezing and crystallizing system includes refrigerating plant, high speed separator, temperature sensor；The evaporation and crystallization system be equipped with heater,
Separator and forced circulation pump；Metering pump, elevator pump, spiral agitator, online pH meter are equipped in the conditioning tank and buffer pool
And liquid level sensor；Metering pump, spiral agitator, online pH meter and liquid level sensor are equipped in the reaction tank；The nanofiltration
The inlet and outlet of device and tubular membrane filter device are equipped with pressure sensor；The tubular membrane filter device water inlet
Online ORP is equipped with to count.
2. a kind of high-salt wastewater processing recycling integrated apparatus according to claim 1, it is characterised in that: the pretreatment
System water outlet is connected with the water inlet of film point salt system；The film divides salt system water outlet and mechanical refrigeration crystal system water inlet phase
Even；The intake pump is connected with conditioning tank water inlet；The conditioning tank is connected with reaction tank top；The reaction tank water outlet
It is connected with tubular membrane filter device water inlet；The tubular membrane filter device water outlet is connected with buffer pool water inlet；Buffer pool
Water outlet is connected with nanofiltration device water inlet；Nanofiltration device water outlet is intake with freezing and crystallizing system and evaporation and crystallization system respectively
Mouth is connected.
3. a kind of high-salt wastewater processing recycling integrated apparatus according to claim 1, it is characterised in that: the water inlet
Pump, water outlet pump, liquid level sensor, online pH meter, online conductivity meter, pressure sensor, elevator pump, spiral agitator and PLC
Control cabinet is connected.
4. a kind of high-salt wastewater processing recycling integrated apparatus according to claim 1, it is characterised in that: the conditioning tank
10.5~11.5, the pH of the buffer pool is controlled 4~6 for pH control with two-stage reaction pond.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242113.2U CN209161723U (en) | 2018-08-03 | 2018-08-03 | A kind of high-salt wastewater processing recycling integrated apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242113.2U CN209161723U (en) | 2018-08-03 | 2018-08-03 | A kind of high-salt wastewater processing recycling integrated apparatus |
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| Publication Number | Publication Date |
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| CN209161723U true CN209161723U (en) | 2019-07-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564605A (en) * | 2019-09-17 | 2019-12-13 | 山东昱泰环保工程有限公司 | Semi-open type microbial fermentation equipment and method for high-salinity wastewater treatment |
| CN111101157A (en) * | 2019-12-27 | 2020-05-05 | 合肥恒力装备有限公司 | Zero-emission treatment process for PCB etching waste liquid |
| CN114229987A (en) * | 2021-12-20 | 2022-03-25 | 北京化工大学 | Flat ceramic membrane catalytic oxidation device and process for treating biologically-nondegradable wastewater |
| CN114538486A (en) * | 2022-02-22 | 2022-05-27 | 西安交通大学 | Magnesium recovery method and system based on chlor-alkali salt mud |
-
2018
- 2018-08-03 CN CN201821242113.2U patent/CN209161723U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564605A (en) * | 2019-09-17 | 2019-12-13 | 山东昱泰环保工程有限公司 | Semi-open type microbial fermentation equipment and method for high-salinity wastewater treatment |
| CN111101157A (en) * | 2019-12-27 | 2020-05-05 | 合肥恒力装备有限公司 | Zero-emission treatment process for PCB etching waste liquid |
| CN114229987A (en) * | 2021-12-20 | 2022-03-25 | 北京化工大学 | Flat ceramic membrane catalytic oxidation device and process for treating biologically-nondegradable wastewater |
| CN114538486A (en) * | 2022-02-22 | 2022-05-27 | 西安交通大学 | Magnesium recovery method and system based on chlor-alkali salt mud |
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