CN106630299A - Recycling utilization system and method for regenerated brine waste liquid - Google Patents
Recycling utilization system and method for regenerated brine waste liquid Download PDFInfo
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- CN106630299A CN106630299A CN201710047369.1A CN201710047369A CN106630299A CN 106630299 A CN106630299 A CN 106630299A CN 201710047369 A CN201710047369 A CN 201710047369A CN 106630299 A CN106630299 A CN 106630299A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention belongs to the field of concentration and separation of waste water and provides a recycling utilization system and method for regenerated brine waste liquid. The method comprises the steps of arranging a brine waste liquid tank and storing the brine waste liquid; the brine waste liquid is introduced into a multi-media filtering device via a pipeline and a coagulant is added into the pipeline; the crudely filtered waste liquid is introduced into a precisely filtered device; the precisely filtered waste liquid is introduced into an ultrafiltration device via a pipeline and an anti-sludging agent is added into the pipeline; a part of the filtered waste liquid via the ultrafiltration device is introduced into the brine waste liquid tank or directly discharged, and the other part introduced into an ultrafiltration storage tank; and the waste liquid in the ultrafiltration storage tank is introduced into a nanofiltration device to conduct a material liquid purification, and the purified liquid can be directly used for a regeneration use of an ion exchange system. The recycling utilization system is relatively high in purification effects, conducts the recycling utilization of the regenerated brine waste liquid, reduces the secondary pollution of the brine waste liquid to the environment, improves the utilization value of the brine, can recycle the brine to conduct the regeneration use of the ion exchange system, is free of secondary water source and saves energy.
Description
Technical field
The invention belongs to concentrating and separating field of wastewater, and in particular to one kind regeneration bittern devil liquor recovery is using system and side
Method.
Background technology
With the development of socialization, various factories are more and more, and factory can produce in process of production various industrial wastewaters,
Contain various pollutants, such as solid suspension, oil pollutant, toxic pollutant, aerobic pollution, soda acid pollutant in waste water
Deng.These pollutants can cause various pollutions, such as suspension to make water turbidity to environment, make pipe-line equipment obstruction, abrasion,
Soda acid pollutant makes the pH value of water body change, and suppresses growth of microorganism, and hinders the self-purification of water, makes water quality deterioration, makes soil
Acidifying or salinization of soil.
Traditional bittern waste liquid is just directly discharged after dilution, with the development of science and technology, occurs in that various bittern waste liquids
Purification treatment technology, is broadly divided into two classes：Partition method and transformation approach, partition method is acted on nuisance from waste water by various external force
In separate, transformation approach makes it be converted into innocuous substance or separable material by chemistry or the effect of biochemistry.
Generally adopt at present and again discharged waste liquid after bittern effluent purifying technical finesse, but the bittern waste liquid of regeneration
Secondary pollution still can be produced to environment, and the bittern waste liquid for regenerating also contains benefit materials sodium chloride, by its direct discharge
Also result in certain wasting of resources.
The content of the invention
For the deficiency of problem above, the invention provides a kind of regeneration bittern devil liquor recovery utilizes system and method, this
Invention has higher clean-up effect, and the bittern waste liquid to regenerating is recycled, and reduces two of bittern waste liquid to environment
Secondary pollution, improves the value of bittern, and the bittern of recovery directly can regenerate for ion exchange system, without the need for secondary water
Source, has saved the energy.
For achieving the above object, a kind of regeneration bittern devil liquor recovery of the present invention utilizes system, including bittern waste liquid tank, many Jie
Matter filter, precise filtering device, ultrafiltration apparatus, ultrafiltration storage tank and nanofiltration device, the bittern waste liquid tank is connected by pipeline
Multi-medium filtering device liquid inlet is connect, the multi-medium filtering device liquid outlet connects precise filtering device and enters liquid by pipeline
Mouthful, the precise filtering device liquid outlet connects ultrafiltration apparatus liquid inlet by pipeline, and the ultrafiltration apparatus are provided with two and go out liquid
Mouthful, the drain pipe road of a liquid outlet is divided into two branch roads by threeway, and a branch road connects bittern waste liquid by reclaiming arm
The liquid inlet of tank, another branch road carries out discharging of waste liquid by bleeder, and another liquid outlet connects ultrafiltration storage by pipeline
The liquid inlet of tank, the liquid inlet that the ultrafiltration storage tank liquid outlet passes through pipeline connection nanofiltration device, two of the nanofiltration device
Liquid outlet connects ion exchange system and exhaust system by pipeline respectively；
Pipeline between the bittern waste liquid tank and multi-medium filtering device is provided with PAC chemicals dosing plants, for waste liquid
Addition aluminium polychloride or bodied ferric sulfate, the pipeline between the precise filtering device and ultrafiltration apparatus is provided with antisludging agent and adds
Medicine device, for adding antisludging agent to waste liquid；
Be provided with waste drains pump in pipeline between the bittern waste liquid tank and medium filter device, the precise filtering device and
Ultrafiltration booster pump is provided with pipeline between ultrafiltration apparatus, in the pipeline between the ultrafiltration storage tank and nanofiltration device nanofiltration is provided with
High-pressure pump, each pump is used for as the supercharging of respective follow-up system, there is provided power.
Further, the recovery arm is provided with return valve, and the bleeder is provided with drain valve.
Further, the waste liquid of the bleeder discharge is to discharge of wastewater trench.
Further, also including multiple measuring instruments and PLC, the measuring instrument is used to detect that each filters dress
Put the indicator liquid after filtering, the PLC is used to controlling PAC chemicals dosing plants, antisludging agent chemicals dosing plant, waste drains pump, super
Filter booster pump, nanofiltration high-pressure pump, return valve and drain valve.
One kind regeneration bittern devil liquor recovery Application way, including：
Step 1：Bittern waste liquid tank is set, bittern waste liquid is stored；
Step 2：Bittern waste liquid in waste liquid tank is imported into multi-medium filtering device by pipeline, and is added in pipeline
Aluminium polychloride, makes the suspension in waste liquid grow up polymerization, and the multi-medium filtering device is used to go the flco of polymerization of growing up
Remove；
Step 3：Waste liquid after multi-medium filtering device is filtered is imported into precise filtering device by pipeline, is prevented
Multi-medium filtering device material leakage, is filtered again；
Step 4：Waste liquid after precise filtering device is filtered is imported into ultrafiltration apparatus by pipeline, and in pipeline
Antisludging agent is added, prevents the chemical substance fouling in waste liquid, the ultrafiltration apparatus from carrying out precision processing to waste liquid so as to go out liquid index
Meet the feed liquor index of nanofiltration device；
Step 5：Waste liquid Jing after ultrafiltration apparatus are filtered a, part is directed back to the bittern waste liquid tank in step 1 by pipeline,
Sodium chloride in bittern waste liquid is reclaimed, a part is emitted by discharge pipe discontinuity, another part is by pipe
Road imports to ultrafiltration storage tank, and the ultrafiltration storage tank plays cushioning effect, is that follow-up system stable operation is prepared；
Step 6：Waste liquid in ultrafiltration storage tank is imported into nanofiltration device by pipeline, nanofiltration device is purified to waste liquid
Afterwards so as to go out liquid index and meet regenerated liquid standards for recycling, the water purification at water purification end directly can regenerate for ion exchange system, concentrated water
A small amount of concentrated water at end is discharged.
Further, the liquid index that goes out in the step 4 is：Water turbidity is less than 2.5 up to below 0.1NTU, SDI values；
The liquid index that goes out in the step 6 is：Water turbidity is up to below 0.01NTU.
From such scheme, a kind of regeneration bittern devil liquor recovery of the present invention utilizes system and method, using unique work
Skill is designed, and with higher clean-up effect, high degree improves the value of bittern, reduces bittern waste liquid to environment
Pollution；Bittern waste liquid is recirculated and is recycled, improve the rate of recovery of sodium chloride in bittern；Through bittern waste liquid recovery apparatus
Purification, the scavenging solution after purification can directly for ion exchange system regenerate, without the need for secondary water source, not produce secondary dirt yet
Dye, saves operating cost, has saved the energy.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described.In all of the figs, similar element
Or part is typically identified by similar reference.In accompanying drawing, each element or part might not draw according to actual ratio.
Fig. 1 is the structured flowchart that the present embodiment regenerates bittern devil liquor recovery reutilization system.
Reference：
1- bittern waste liquid tanks, 2- waste drains pumps, 3-PAC chemicals dosing plants, 4- multi-medium filtering devices, 5- precise filtering devices,
6- antisludging agent chemicals dosing plants, 7- ultrafiltration booster pumps, 8- ultrafiltration apparatus, 9- ultrafiltration storage tanks, 10- nanofiltration high-pressure pumps, 11- nanofiltrations dress
Put, 12- return valves, 13- drain valves.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing.Following examples are only used for clearer
The product of the ground explanation present invention, therefore example is intended only as, and can not be limited the scope of the invention with this.
Embodiment：
Present embodiments provide a kind of regeneration bittern devil liquor recovery and utilize system, including bittern waste liquid tank 1, multi-medium filtering
Device 4, precise filtering device 5, ultrafiltration apparatus 8, ultrafiltration storage tank 9 and nanofiltration device 11, the bittern waste liquid tank 1 is connected by pipeline
The liquid inlet of multi-medium filtering device 4 is connect, the liquid outlet of multi-medium filtering device 4 connects precise filtering device 5 and enters by pipeline
Liquid mouth, the liquid outlet of the precise filtering device 5 connects the liquid inlet of ultrafiltration apparatus 8 by pipeline, and the ultrafiltration apparatus 8 are provided with two
Liquid outlet, the drain pipe road of a liquid outlet is divided into two branch roads by threeway, and a branch road connects bittern by reclaiming arm
The liquid inlet of waste liquid tank 1, the recovery arm is provided with return valve 12, and another branch road carries out waste liquid row by bleeder
Put, the bleeder is provided with drain valve 13, and to discharge of wastewater trench, another goes out liquid to the waste liquid of the bleeder discharge
Mouth connects the liquid inlet of ultrafiltration storage tank 9 by pipeline, and the liquid outlet of ultrafiltration storage tank 9 connects entering for nanofiltration device 11 by pipeline
Liquid mouth, two liquid outlets of the nanofiltration device 11 connect ion exchange system and exhaust system by pipeline respectively；
Pipeline between the bittern waste liquid tank 1 and multi-medium filtering device 4 is provided with PAC chemicals dosing plants 3, for useless
Liquid adds aluminium polychloride or bodied ferric sulfate, and the pipeline between the precise filtering device 5 and ultrafiltration apparatus 8 is provided with scale inhibition
Agent chemicals dosing plant 6, for adding antisludging agent to waste liquid；
Waste drains pump 2, the precise filtering device are provided with pipeline between the bittern waste liquid tank 1 and medium filter device
Ultrafiltration booster pump 7 is provided with pipeline between 5 and ultrafiltration apparatus 8, in the pipeline between the ultrafiltration storage tank 9 and nanofiltration device 11
Nanofiltration high-pressure pump 10 is provided with, each pump is used for as the supercharging of respective follow-up system, there is provided power.
After also including that multiple measuring instruments and PLC, the measuring instrument are used to detect that each filter is filtered
Indicator liquid, the PLC be used for control PAC chemicals dosing plants 3, antisludging agent chemicals dosing plant 6, waste drains pump 2, ultrafiltration supercharging
Pump 7, nanofiltration high-pressure pump 10, return valve 12 and drain valve 13.
PAC chemicals dosing plants 3 in the present embodiment：Belong to the device that a dosing tank and a dosing pump are combined, lead to
Passing waste liquid the inside adds aluminium polychloride or bodied ferric sulfate, and the product has stronger bridge formation attraction performance, in hydrolytic process
In, with condensing, the physical and chemical process such as adsorb and precipitate, make the suspension in water that big is formed in the presence of medicament
Grain flco, and effectively remove in multi-medium filtering device 4, mitigate the load of ultrafiltration apparatus 8；
Multi-medium filtering device 4：Belong to an inside equipped with quartz sand and the baroque tank body of ANTHRACITE FILTER MEDIA, utilize
One or more filter mediums, under pressure the higher water of turbidity by certain thickness granular or non-grain material,
The process of clarification of water is made so as to effectively remove suspended impurity, is mainly used in the prime pretreatment of water process turbidity removal, delivery turbidity
Up to below 3NTU, SDI values are less than 3；
Precise filtering device 5：It is cartridge type tank body of the inside equipped with precision Filter element, mainly as the pre- of ultrafiltration apparatus 8
Process, intercept the suspension that multimedium is not intercepted in waste liquid；
Antisludging agent chemicals dosing plant 6：Belong to the device that a dosing tank and a dosing pump are combined, due to hardness in water
Larger, RO concentrated waters side LSI (bright Greer index) is that, more than 0, concentrated water side will occur scale formation, through composite scale inhibitor, Jing
Add concentrated water side LSI after antisludging agent and scale formation does not occur under conditions of 2.8；
Ultrafiltration apparatus 8：Belong to a kind of organic membrane filter, the main colourity and molecule removed in waste liquid, effluent quality
Turbidity is less than 2.5 up to below 0.1NTU, SDI values；
Nanofiltration device 11：Belong to a kind of organic film essence to filter, it is main to remove colourity remaining Jing after ultra-filtration water in waste liquid
And molecule, effluent quality turbidity fully meets regenerated liquid standards for recycling up to below 0.01NTU.
One kind regeneration bittern devil liquor recovery Application way, including：
Step 1：Bittern waste liquid tank 1 is set, bittern waste liquid is stored；
Step 2：Bittern waste liquid in waste liquid tank is imported into multi-medium filtering device 4 by pipeline, and is added in pipeline
Enter aluminium polychloride, make the suspension in waste liquid grow up polymerization, the multi-medium filtering device 4 is used for the flco of polymerization of growing up
Remove；
Step 3：Waste liquid after multi-medium filtering device 4 is filtered is imported into precise filtering device 5 by pipeline, is prevented
Only the material leakage of multi-medium filtering device 4, is filtered again；
Step 4：Waste liquid after precise filtering device 5 is filtered is imported into ultrafiltration apparatus 8 by pipeline, and in pipeline
Middle addition antisludging agent, prevents the chemical substance fouling in waste liquid, the ultrafiltration apparatus 8 from carrying out precision processing to waste liquid so as to go out liquid
Index meets the feed liquor index of nanofiltration device 11, and water turbidity is less than 2.5 up to below 0.1NTU, SDI values；
Step 5：Waste liquid Jing after ultrafiltration apparatus 8 are filtered a, part is directed back to the bittern waste liquid tank in step 1 by pipeline
1, the sodium chloride in bittern waste liquid is reclaimed, a part is emitted by discharge pipe discontinuity, and another part passes through
Pipeline imports to ultrafiltration storage tank 9, and 9 cushioning effects of the ultrafiltration storage tank are that follow-up system stable operation is prepared；
Step 6：Waste liquid in ultrafiltration storage tank 9 is imported into nanofiltration device 11 by pipeline, nanofiltration device 11 is entered to waste liquid
After row purification so as to go out liquid index and meet regenerated liquid standards for recycling, water turbidity is up to below 0.01NTU, the water purification at water purification end
Directly can regenerate for ion exchange system, a small amount of concentrated water at concentrated water end is discharged.
The present embodiment ultrafiltration apparatus 8 are arranged on the front end of nanofiltration device 11, mainly protect nanofiltration device 11, prevent nanofiltration from filling
Put 11 and cause dirty stifled, so that water shortage, affects production and the stability of a system；At the concentrated water end of ultrafiltration apparatus 8, drain valve is set
13 and return valve 12, diversion design is carried out, indicator liquid is detected by measuring instrument, when the concentrated water end water quality of ultrafiltration apparatus 8 is not inconsistent
When closing recycle water standard, drain valve 13 and closing volume valve 12 need to be opened, when the concentrated water end water quality of ultrafiltration apparatus 8 meets reuse water gauge
On time, open return valve 12 and close drain valve 13, with the rate of recovery of sodium chloride in raising system；Another portion of ultrafiltration apparatus 8
Divide and import ultrafiltration storage tank 9, in case being subsequently used.
The indicator liquid that the present embodiment PLC is detected by measuring instrument, judges whether indicator liquid reaches often
One step goes out liquid standard, so as to controlling the T/A of PAC chemicals dosing plants 3, the dosing of antisludging agent chemicals dosing plant 6.
The present embodiment regenerates bittern devil liquor recovery reuse means compared with the technologies such as traditional direct dilute filtration discharge
There is the advantage of uniqueness to bittern waste liquid, with higher clean-up effect, high degree improves the value of bittern, reduce
Pollution of the bittern waste liquid to environment；Through the purification of bittern waste liquid recovery apparatus, the scavenging solution after purification can directly supply ion
Exchange system regeneration is used, and without the need for secondary water source, does not also produce secondary pollution, has saved the energy.The system of the present embodiment has anti-
Contaminative is strong, good acid and alkali-resistance, chemical stability, high mechanical strength, convenient clean and maintenance, long service life the features such as.And can adopt
Use PLC controls, high degree of automation, convenient operating maintenance.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
The present invention has been described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments is modified, and is either carried out equivalent to which part or all technical characteristic and is replaced
Change；And these modifications or replacement, do not make the model of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution
Enclose, it all should cover in the middle of the claim of the present invention and the scope of specification.
Claims (6)
1. a kind of regeneration bittern devil liquor recovery utilizes system, it is characterised in that including bittern waste liquid tank, multi-medium filtering device,
Precise filtering device, ultrafiltration apparatus, ultrafiltration storage tank and nanofiltration device, the bittern waste liquid tank connects multi-medium filtering by pipeline
Device liquid inlet, the multi-medium filtering device liquid outlet connects precise filtering device liquid inlet, the accurate mistake by pipeline
Filter device liquid outlet connects ultrafiltration apparatus liquid inlet by pipeline, and the ultrafiltration apparatus are provided with two liquid outlets, a liquid outlet
Drain pipe road two branch roads are divided into by threeway, a branch road connects the liquid inlet of bittern waste liquid tank by reclaiming arm, separately
One branch road carries out discharging of waste liquid by bleeder, and another liquid outlet connects the liquid inlet of ultrafiltration storage tank, institute by pipeline
The liquid inlet that ultrafiltration storage tank liquid outlet connects nanofiltration device by pipeline is stated, two liquid outlets of the nanofiltration device pass through respectively
Pipeline connects ion exchange system and exhaust system；
Pipeline between the bittern waste liquid tank and multi-medium filtering device is provided with PAC chemicals dosing plants, for adding to waste liquid
Aluminium polychloride or bodied ferric sulfate, the pipeline between the precise filtering device and ultrafiltration apparatus is provided with antisludging agent dosing dress
Put, for adding antisludging agent to waste liquid；
Waste drains pump, the precise filtering device and ultrafiltration are provided with pipeline between the bittern waste liquid tank and medium filter device
Ultrafiltration booster pump is provided with pipeline between device, in the pipeline between the ultrafiltration storage tank and nanofiltration device nanofiltration high pressure is provided with
Pump, each pump is used for as the supercharging of respective follow-up system, there is provided power.
2. a kind of regeneration bittern devil liquor recovery according to claim 1 utilizes system, it is characterised in that the recovery arm
Return valve is provided with, the bleeder is provided with drain valve.
3. a kind of regeneration bittern devil liquor recovery according to claim 1 utilizes system, it is characterised in that the bleeder
The waste liquid of discharge is to discharge of wastewater trench.
4. a kind of regeneration bittern devil liquor recovery according to claim 1 utilizes system, it is characterised in that also including multiple prisons
Instrument and PLC are surveyed, the measuring instrument is used to detect the indicator liquid after each filter filtration, the PLC controls
Device processed be used for control PAC chemicals dosing plants, antisludging agent chemicals dosing plant, waste drains pump, ultrafiltration booster pump, nanofiltration high-pressure pump, return valve and
Drain valve.
5. it is a kind of to regenerate bittern devil liquor recovery Application way, it is characterised in that to include：
Step 1：Bittern waste liquid tank is set, bittern waste liquid is stored；
Step 2：Bittern waste liquid in waste liquid tank is imported into multi-medium filtering device by pipeline, and polymerization is added in pipeline
Aluminium chloride, makes the suspension in waste liquid grow up polymerization, and the multi-medium filtering device is used to remove the flco of polymerization of growing up；
Step 3：Waste liquid after multi-medium filtering device is filtered is imported into precise filtering device by pipeline, many Jie are prevented
Matter filter material leakage, is filtered again；
Step 4：Waste liquid after precise filtering device is filtered is imported into ultrafiltration apparatus by pipeline, and is added in pipeline
Antisludging agent, prevents the chemical substance fouling in waste liquid, the ultrafiltration apparatus from carrying out precision processing to waste liquid so as to go out liquid index satisfaction
The feed liquor index of nanofiltration device；
Step 5：Waste liquid Jing after ultrafiltration apparatus are filtered, a part is directed back to the bittern waste liquid tank in step 1 by pipeline, to halogen
Sodium chloride in aqueous waste solution is reclaimed, and a part is emitted by discharge pipe discontinuity, and another part is led by pipeline
Enter to ultrafiltration storage tank, the ultrafiltration storage tank plays cushioning effect, is that follow-up system stable operation is prepared；
Step 6：Waste liquid in ultrafiltration storage tank is imported into nanofiltration device by pipeline, after nanofiltration device is purified to waste liquid,
Make it go out liquid index and meet regenerated liquid standards for recycling, the water purification at water purification end directly can regenerate for ion exchange system, concentrated water end
A small amount of concentrated water discharged.
6. one kind according to claim 5 regenerates bittern devil liquor recovery Application way, it is characterised in that
The liquid index that goes out in the step 4 is：Water turbidity is less than 2.5 up to below 0.1NTU, SDI values；
The liquid index that goes out in the step 6 is：Water turbidity is up to below 0.01NTU.
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| CN201710047369.1A CN106630299A (en) | 2017-01-22 | 2017-01-22 | Recycling utilization system and method for regenerated brine waste liquid |
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| CN201710047369.1A CN106630299A (en) | 2017-01-22 | 2017-01-22 | Recycling utilization system and method for regenerated brine waste liquid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362471A (en) * | 2020-04-17 | 2020-07-03 | 莱特莱德（北京）环境技术股份有限公司 | Device for removing sodium sulfate in coal chemical industry byproduct sodium chloride saturated solution |
| CN111635034A (en) * | 2020-06-04 | 2020-09-08 | 双福源（天津）环境科技发展有限公司 | Organic waste liquid filtering device and organic waste liquid treatment and recovery system |
| CN114275955A (en) * | 2021-12-23 | 2022-04-05 | 莱特莱德(上海)技术有限公司 | Method and device for recovering ion exchange regenerated acidic wastewater |
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| CN203668153U (en) * | 2013-12-31 | 2014-06-25 | 浙江东洋环境工程有限公司 | Recycling system device for printing and dyeing production wastewater |
| CN104211203A (en) * | 2014-09-28 | 2014-12-17 | 天津膜天膜科技股份有限公司 | Bittern or seawater ultrafiltration pre-treatment process and system |
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| CN111362471A (en) * | 2020-04-17 | 2020-07-03 | 莱特莱德（北京）环境技术股份有限公司 | Device for removing sodium sulfate in coal chemical industry byproduct sodium chloride saturated solution |
| CN111635034A (en) * | 2020-06-04 | 2020-09-08 | 双福源（天津）环境科技发展有限公司 | Organic waste liquid filtering device and organic waste liquid treatment and recovery system |
| CN114275955A (en) * | 2021-12-23 | 2022-04-05 | 莱特莱德(上海)技术有限公司 | Method and device for recovering ion exchange regenerated acidic wastewater |
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