CN207891194U - A kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments - Google Patents
A kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments Download PDFInfo
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- CN207891194U CN207891194U CN201721917510.0U CN201721917510U CN207891194U CN 207891194 U CN207891194 U CN 207891194U CN 201721917510 U CN201721917510 U CN 201721917510U CN 207891194 U CN207891194 U CN 207891194U
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- reverse osmosis
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Abstract
The utility model discloses a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments, belong to technical field of waste water processing.It includes by water pump and the sequentially connected wastewater collection pond of pipeline, wastewater equalization pond, coagulation reaction tank, inclined-plate clarifying basin, intermediate pool, more medium filter, ultrafiltration intake pool, cartridge filter, ultrafiltration unit, ultrafiltration water producing tank, and the ultrafiltration water producing tank is connected with cartridge filter, first-stage reverse osmosis equipment in turn by water pump and pipeline；The concentrated water end of the first-stage reverse osmosis equipment is sequentially connected level-one concentrated water case, cartridge filter, concentrated water reverse osmosis equipment.The concentrated water of first-stage reverse osmosis equipment enters concentrated water reverse osmosis equipment, and the reverse osmosis production water of concentrated water connects ultrafiltration water producing tank, intakes as first-stage reverse osmosis, has the function that dilution and cycle concentration；The concentrated water that a small amount of high concentration is generated after concentrated water reverse osmosis process enters MVR evaporators, reduces the workload of MVR evaporators, reduces operating cost.
Description
Technical field
The utility model is related to a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments, belong to wastewater treatment
Technical field.
Background technology
2009 to 2011, " blood lead event " was in succession in Shaanxi, Hunan, Guangdong, Jiangsu, Hubei, Anhui, zhejiang and other places
Outburst, the degree of social concern are high.2011, country started severely to renovate lead-acid accumulator industry, the portions such as Chinese Ministry of Environmental Protection and Ministry of Industry and Information
Committee carries out a series of environmental protection and purges action, will exceed eighty per cant lead-acid accumulator enterprise and bans or shut down, entire industry shows " life and death
It robs ".Many lead-acid accumulator enterprises have begun to have carried out zero discharge treatment design to production waste water.
In recent years, the advantages such as low energy consumption with it due to reverse osmosis, adaptable, and operating cost is low, in brine waste processing
Aspect occupies increasingly consequence.But the producing water ratio of reverse osmosis membrane technology generally only 75%, it still will produce about 25%
Reverse osmosis concentrated water.Since lead-acid storage battery production waste water total amount is larger, reverse osmosis concentrated water is directly entered evaporation equipment, and plumbic acid stores
Battery enterprise is still difficult to bear the high operating cost of evaporation equipment, causes reverse osmosis membrane technology can not be in lead-acid battery waste water
Process field is widely used to promote.
Therefore, a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments is designed, it is to lead-acid battery industry
Develop significant, can realize lead-acid battery cycling utilization of wastewater.The huge blowdown expense burden of enterprise is not only alleviated, also
It is recycled by the production water and distillate of multistage concentration, reduces the water consumption of production, reduce enterprise's production cost, enhance
Product competitiveness in the market.Simultaneously by the recycling to waste water, zero emission requirement is basically reached, is reduced to soil and water resources around
Influence.
Invention content
The technical problem to be solved by the utility model is to：A kind of multistage concentration lead-acid battery waste water zero-emission is provided
Complete set of equipments is put, it is solved handles waste water using reverse osmosis membrane technology at present, will produce a large amount of reverse osmosis concentrated water, concentrated water
Handle the problem that operating cost can be caused high.
Technical problem to be solved in the utility model takes following technical scheme to realize：
A kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments, it includes being connected successively by water pump and pipeline
The wastewater collection pond that connects, wastewater equalization pond, coagulation reaction tank, inclined-plate clarifying basin, intermediate pool, more medium filter, ultrafiltration into
Pond, cartridge filter, ultrafiltration unit, ultrafiltration water producing tank, the ultrafiltration water producing tank are connected with guarantor in turn by water pump and pipeline
Pacify filter, first-stage reverse osmosis equipment；
The concentrated water end of the first-stage reverse osmosis equipment is sequentially connected that level-one concentrated water case, cartridge filter, concentrated water is reverse osmosis sets
Standby, the production water end (W.E.) of first-stage reverse osmosis equipment connects reuse pool；
The concentrated water end of the concentrated water reverse osmosis equipment connects MVR evaporators, and the production water end (W.E.) connection of concentrated water reverse osmosis equipment is super
Filter water producing tank；
The distillate of the MVR evaporators is connected to reuse pool.
As preferred embodiment, float bowl-type oil-isolating device is provided in the wastewater collection pond.
As preferred embodiment, aeration stirrer is provided in the wastewater equalization pond.
As preferred embodiment, liquid caustic soda, PAC, PAM are added in the coagulation reaction tank, and be equipped with agitating device and online pH
Meter.
As preferred embodiment, the first-stage reverse osmosis equipment uses pollution-resistant reverse osmosis membrane.
As preferred embodiment, the concentrated water reverse osmosis equipment uses sea water desalination type reverse osmosis membrane.
The utility model has the beneficial effects that：The concentrated water of first-stage reverse osmosis equipment enters concentrated water reverse osmosis equipment and carries out concentrated water
Reverse osmosis concentration, the reverse osmosis production water of concentrated water connect ultrafiltration water producing tank, intake as first-stage reverse osmosis, reach dilution and cycle is dense
The effect of contracting；The concentrated water that a small amount of high concentration is generated after concentrated water reverse osmosis process enters MVR evaporators, reduces MVR evaporations
The workload of device reduces operating cost；The production water and distillate of multistage concentration reduce the use of production eventually for workshop reuse
Water reduces enterprise's production cost, enhances product competitiveness in the market；Simultaneously by the recycling to waste water, reach substantially
To zero emission requirement, the influence to soil and water resources around is reduced.
Description of the drawings
Attachment structure schematic diagrams of the Fig. 1 between each equipment of the utility model.
Specific implementation mode
In order to which the technical means, creative features, achievable purpose and effectiveness to the utility model are easy to understand, tie below
Conjunction is specifically illustrating, and the utility model is expanded on further.
As shown in Figure 1, a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments, it include by water pump and
The sequentially connected wastewater collection pond of pipeline, wastewater equalization pond, coagulation reaction tank, inclined-plate clarifying basin, intermediate pool, multi-medium filtering
Device, ultrafiltration intake pool, cartridge filter, ultrafiltration unit, ultrafiltration water producing tank, ultrafiltration water producing tank are sequentially connected by water pump and pipeline
There are cartridge filter, first-stage reverse osmosis equipment；The concentrated water end of first-stage reverse osmosis equipment is sequentially connected level-one concentrated water case, security personnel's filtering
The production water end (W.E.) of device, concentrated water reverse osmosis equipment, first-stage reverse osmosis equipment connects reuse pool；The concentrated water end of concentrated water reverse osmosis equipment connects
MVR evaporators are connect, the production water end (W.E.) of concentrated water reverse osmosis equipment connects ultrafiltration water producing tank；The distillate of MVR evaporators is connected to reuse
Pond.
Repeatedly use cartridge filter above, cartridge filter is also known as accurate filter, be generally located on pressure vessel it
Before, to remove the fine particles of 1 degree of turbidity or more, to meet requirement of the subsequent handling to water inlet.
Float bowl-type oil-isolating device is provided in wastewater collection pond.Aeration stirrer is provided in wastewater equalization pond.Coagulation
Liquid caustic soda, PAC, PAM are added in reaction tank, and is equipped with agitating device and online pH meter.First-stage reverse osmosis equipment uses pollution-resistant
Reverse osmosis membrane.Concentrated water reverse osmosis equipment uses sea water desalination type reverse osmosis membrane.
Operation principle：
(1) in-line coagulation：This process is also current common waste water treatment process, the comprehensive wastewater of lead-acid battery
It sequentially enters wastewater collection pond, wastewater equalization pond, coagulation reaction tank, inclined-plate clarifying basin, intermediate pool, more medium filter, surpass
Filter influent pond, cartridge filter, ultrafiltration unit, ultrafiltration water producing tank.Complete traditional wastewater treatment process；
Wherein, wastewater equalization pond is used to the waste water for the heterogeneity that priority enters being uniformly mixed；Into coagulation reaction tank
Input liquid caustic soda, PAC, PAM fully react, and precipitation are generated in inclined-plate clarifying basin, then will not precipitate by more medium filter
Full many kinds of solids impurity removal, subsequent liquid enter ultrafiltration unit, and ultrafiltration unit tentatively retains macromolecular substances, makes stoste
Middle macromolecular concentration is gradually increased, and generates concentrate.
PAC is common inorganic salt coagulant, is aluminium polychloride；PAM is domestic common nonionic macromolecule wadding
Solidifying agent, molecular weight 1,500,000-900 ten thousand, commodity concentration is generally 8%.The effect of PAC is by it or it hydrolysate
The effect completion of four aspects such as bridging is caught and is adsorbed in compression double electric layer, electrically neutralization, winding net, will be by oxidant oxygen
Change causes the particulate matter of COD to precipitate to filter out.And PAM is high score flocculant, organic polymer coargulator have
Intergranular forms the resulting huge adsorption effect of flco of bigger.
(2) reverse osmosis concentration twice：From the concentrate of ultrafiltration crew grouping, into first-stage reverse osmosis equipment, level-one reverse osmosis
The production water end (W.E.) of saturating equipment connects reuse pool, and the concentrated water of first-stage reverse osmosis equipment enters concentrated water reverse osmosis equipment and carries out concentrated water reverse osmosis
Concentration thoroughly, the reverse osmosis production water of concentrated water connect ultrafiltration water producing tank, intake as first-stage reverse osmosis, reach dilution and recycle concentration
Effect；The concentrated water that a small amount of high concentration is generated after concentrated water reverse osmosis process enters MVR evaporators, reduces MVR evaporators
Workload reduces operating cost；For the production water and distillate of multistage concentration eventually for workshop reuse, reduce production uses water
Amount, reduces enterprise's production cost, enhances product competitiveness in the market；Simultaneously by the recycling to waste water, basically reach
Zero emission requirement reduces the influence to soil and water resources around.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the present utility model is not limited to the above embodiments, do not depart from the spirit of the present invention and
Under the premise of range, the utility model also has various changes and improvements, these changes and improvements both fall within the utility model and want
In the range of asking protection.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments, it includes being sequentially connected by water pump and pipeline
Wastewater collection pond, wastewater equalization pond, coagulation reaction tank, inclined-plate clarifying basin, intermediate pool, more medium filter, ultrafiltration water inlet
Pond, cartridge filter, ultrafiltration unit, ultrafiltration water producing tank, it is characterised in that：
The ultrafiltration water producing tank is connected with cartridge filter, first-stage reverse osmosis equipment in turn by water pump and pipeline；
The concentrated water end of the first-stage reverse osmosis equipment is sequentially connected level-one concentrated water case, cartridge filter, concentrated water reverse osmosis equipment, and one
The production water end (W.E.) of grade reverse osmosis equipment connects reuse pool；
The concentrated water end of the concentrated water reverse osmosis equipment connects MVR evaporators, the production water end (W.E.) connection ultrafiltration production of concentrated water reverse osmosis equipment
Water tank；
The distillate of the MVR evaporators is connected to reuse pool.
2. a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments according to claim 1, it is characterised in that：
Float bowl-type oil-isolating device is provided in the wastewater collection pond.
3. a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments according to claim 1, it is characterised in that：
It is provided with aeration stirrer in the wastewater equalization pond.
4. a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments according to claim 1, it is characterised in that：
Liquid caustic soda, PAC, PAM are added in the coagulation reaction tank, and is equipped with agitating device and online pH meter.
5. a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments according to claim 1, it is characterised in that：
The first-stage reverse osmosis equipment uses pollution-resistant reverse osmosis membrane.
6. a kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments according to claim 1, it is characterised in that：
The concentrated water reverse osmosis equipment uses sea water desalination type reverse osmosis membrane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917510.0U CN207891194U (en) | 2017-12-29 | 2017-12-29 | A kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917510.0U CN207891194U (en) | 2017-12-29 | 2017-12-29 | A kind of multistage concentration lead-acid battery wastewater zero discharge complete set of equipments |
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| CN207891194U true CN207891194U (en) | 2018-09-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212935A (en) * | 2021-11-30 | 2022-03-22 | 武汉新奇华清膜分离技术工程有限公司 | Zero-emission device and method for recycling high-quality sodium sulfate from lead-containing wastewater |
| CN114873824A (en) * | 2022-06-22 | 2022-08-09 | 苏州苏净环保工程有限公司 | Treatment method of battery-grade iron phosphate production wastewater |
-
2017
- 2017-12-29 CN CN201721917510.0U patent/CN207891194U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212935A (en) * | 2021-11-30 | 2022-03-22 | 武汉新奇华清膜分离技术工程有限公司 | Zero-emission device and method for recycling high-quality sodium sulfate from lead-containing wastewater |
| CN114873824A (en) * | 2022-06-22 | 2022-08-09 | 苏州苏净环保工程有限公司 | Treatment method of battery-grade iron phosphate production wastewater |
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