CN208980540U - The complete processing equipment of coating wastewater zero-emission - Google Patents
The complete processing equipment of coating wastewater zero-emission Download PDFInfo
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- CN208980540U CN208980540U CN201821636842.6U CN201821636842U CN208980540U CN 208980540 U CN208980540 U CN 208980540U CN 201821636842 U CN201821636842 U CN 201821636842U CN 208980540 U CN208980540 U CN 208980540U
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Abstract
The complete processing equipment of coating wastewater zero-emission, main includes pretreatment collection system, materializing strategy system, biochemistry and film processing system, intermediate water reuse system and evaporation and crystallization system；This system scientific structure design categorised collection waste water and can be handled, good waste water treatment effect, evaporator operating load and small investment, and Sewage treatment rate is high, can be realized zero-emission.
Description
Technical field
The utility model relates to coating wastewater process field more particularly to the complete processing equipments of coating wastewater zero-emission.
Background technique
The waste water that coating wastewater refers mainly to generate in coating process production handles waste water, electrophoretic coating waste water before mainly dividing
And painting wastewater.
The processes such as degreasing, phosphatization surface of the pre-treatment waste water from paint front surface processing, contain oil emulsion, surface-active
Agent, phosphate, heavy metal ion filler, solvent etc..Electrophoretic coating waste water, which results from, applies the floating paint and tank liquor adhered on part
Cleaning process is generally comprised toward ion wash water and ultrafiltrate；Its ingredient is identical as tank liquor ingredient, contains water-soluble resin (such as ring
Oxygen resin, phenolic resin etc.), pigment (such as carbon black, iron oxide red, lead mercury), filler (such as titanium dioxide, talcum powder), hydrotropy
Agent (such as triethanolamine, butanol) and a small amount of heavy metal ion.
Paint spray booth operation area air is washed with water in wet type spray room, paints object in air and organic solvent is transferred to shape in water
At waste water；Containing a large amount of paint composition granule in waste water, water quality is by paint vehicle used (with nitrate paint, amino paint, alkyd paint and ring
Based on oxygen paint) and solvent (such as ethyl alcohol, acetone, lipid, benzene class), depending on cosolvent.
Therefore the characteristics of coating wastewater, is: first, coating wastewater type is more, water quality different, only degreasing due to the material used
Just there are many formula, coating type are then more for liquid；Second, discharge is irregular, in addition to the discharge of part washing water continuous overflow, coating
Line waste water or waste liquid are mostly that interval concentrates discharge；Third, water quality and quantity changes greatly, irregular to follow.
The characteristics of coating wastewater, determines that the treatment process of coating wastewater is complicated, some coating wastewaters currently on the market
Processing equipment only collects coating wastewater, then by discharge of wastewater after simple process, be easy to cause not qualified discharge or
Secondary pollution.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of scientific structure design,
It categorised collection waste water and can handle, good waste water treatment effect, evaporator operating load and small investment, Sewage treatment rate is high, energy
Enough realize the complete processing equipment of coating wastewater zero-emission of zero-emission.
To realize the utility model the following technical schemes are provided:
The complete processing equipment of coating wastewater zero-emission, it is main include pretreatment collection system, materializing strategy system, biochemistry and
Film processing system, intermediate water reuse system and evaporation and crystallization system；The pretreatment collection system mainly includes sequentially connected receipts
Collect slot, Production Wastewater By Combined Acidification And Demulsification slot, oil removal subsider, the first pH value adjustment slot and comprehensive adjustment pond；The materializing strategy system is mainly wrapped
Include sequentially connected coagulating slot, flocculation tank, the second pH value adjustment slot, tube settling slot and air flotation slot；The coagulating
Slot is connect with comprehensive adjustment pond；The biochemical and film processing system mainly includes sequentially connected hydrolysis acidification pool, anoxic pond, connects
Touch oxidation pond, MBR membrane cisterna and intermediate pool；The hydrolysis acidification pool is connected with the production water out of air flotation slot；The Treated sewage reusing
System mainly includes that sequentially connected more medium filter, nanofiltration device, nanofiltration pond, reverse osmosis cartridge filter, second level are anti-
Permeability apparatus and reuse pool；The more medium filter is connect with intermediate pool, and the concentrated water of the second level reverse osmosis apparatus goes out
Mouth is connect with concentrated water pond, and the concentrated water pond is sequentially connected core type filter, DTRO film device and nanofiltration pond；The DTRO film dress
The concentrated water outlet set is connect with concentrate collecting pit；The evaporation and crystallization system mainly includes MVR evaporator and crystallizer, described
MVR evaporator is connect with concentrate collecting pit.
Preferably, the Production Wastewater By Combined Acidification And Demulsification slot, oil removal subsider, the first pH value adjustment slot, coagulating slot, flocculation tank,
Second pH value adjustment slot, tube settling slot, hydrolysis acidification pool, anoxic pond, contact-oxidation pool, MBR membrane cisterna bottom are equipped with spoil disposal
Pipe, the sludge pipe are connect with sludge concentration tank, and the sludge concentration tank is connect with chamber-type press filter, the chamber-type press filter
Effluent recycling is to comprehensive adjustment pond.
Preferably, being additionally provided with the collecting pit of several parallel connections in the pretreatment collection system, it is equipped in the collecting pit
Grille well, the collecting pit are connect with comprehensive adjustment pond.
Preferably, being equipped with agitating device in the first pH value adjustment slot, coagulating slot and flocculation tank.
Preferably, being equipped with aerator, the hydrolysis acidification pool and anoxic in the contact-oxidation pool and MBR membrane cisterna
Diving mixing device is equipped in pond.
Preferably, being equipped with Slag Scraping Device in the air flotation slot, the dross outlet of the air flotation slot is connect with sludge concentration tank.
The usefulness of the utility model:
First: to waste water carry out categorised collection, the oily waste waters such as emulsion will be cut and be collected separately in collecting tank, then into
After the pretreatment such as row Production Wastewater By Combined Acidification And Demulsification, oil removal sedimentation, pH value adjustment, comprehensive adjustment pond is entered back into；The electrophoresis tank waste water of falling slot, coating cloud are useless
Water, ABS(ironware) Coating Pretreatment waste water then enters respective collecting pit, enter back into comprehensive adjustment pond；Other waste water are (as demoulded
With water, engine leak test waste water, cleaning water, electrophoresis ultrafiltration ejected wash water, pure water concentrated water processed), then it can be directly entered comprehensive adjustment
Pond, categorised collection waste water are simultaneously handled, with strong points, good waste water treatment effect；
Second: at pretreatment, materializing strategy, biochemistry and MBR processing, Treated sewage reusing processing and concentrate evaporative crystallization
Reason, clear in structure, modularized processing, convenient for equipment damage maintenance replacement；
Third: DTRO device (concentrated water is reverse osmosis) is used in intermediate water reuse system, the waste water that need to be handled is pumped into reverse osmosis
Device is handled, using the interception performance of the ion of permeable membrane, organic matter etc., by ion, organic matter, the inorganic matter in waste water
After being handled, the concentration and purification purpose of waste water are realized.The clear water of DTRO film process cannot be used directly due to TDS higher
Enter recycle-water, therefore is back to reverse osmosis unit and carries out processing heel row together with preceding road waste water to reuse pool progress reuse.Instead
To industrial water, reverse osmosis concentrated water enters DTRO advanced treating for reuse after infiltration water outlet reaches reuse water standard, improves waste water
The rate of recovery, and reduce subsequent evaporation device operating load and investment；
4th: complete equipment can be realized the zero-emission of coating wastewater.
Detailed description of the invention
Fig. 1 is the utility model process flow chart.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that it can directly exist when element is referred to as " being fixed on " or " being set to " another element
On another element or indirectly on another element.When an element is known as " being connected to " another element, it
It can be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed
Or implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or
Two or more, unless otherwise specifically defined.
The complete processing equipment of coating wastewater zero-emission, it is main include pretreatment collection system, materializing strategy system, biochemistry and
Film processing system, intermediate water reuse system and evaporation and crystallization system；The pretreatment collection system mainly includes sequentially connected receipts
Collect slot 1.1, Production Wastewater By Combined Acidification And Demulsification slot 1.2, oil removal subsider 1.3, the first pH value adjustment slot 1.4 and comprehensive adjustment pond 1.5；The materialization
Processing system mainly includes sequentially connected coagulating slot 2.1, flocculation tank 2.2, the second pH value adjustment slot 2.3, tube settling
Slot 2.4 and air flotation slot 2.5；The coagulating slot 2.1 is connect with comprehensive adjustment pond 1.5；The biochemical and film processing system master
It to include sequentially connected hydrolysis acidification pool 3.1, anoxic pond 3.2, contact-oxidation pool 3.3, MBR membrane cisterna 3.4 and intermediate pool
3.5；The hydrolysis acidification pool 3.1 is connected with the production water out of air flotation slot 2.5；The intermediate water reuse system mainly includes successively connecting
More medium filter 4.1, nanofiltration device 4.2, nanofiltration pond 4.3, reverse osmosis cartridge filter 4.4, the two-pass reverse osmosis dress connect
Set 4.5 and reuse pool 4.6；The more medium filter 4.1 is connect with intermediate pool 3.5, the second level reverse osmosis apparatus 4.5
Concentrated water outlet connect with concentrated water pond 4.7, the concentrated water pond 4.7 is sequentially connected core type filter 4.8,4.9 and of DTRO film device
Nanofiltration pond 4.3；The concentrated water outlet of the DTRO film device 4.9 is connect with concentrate collecting pit 4.10；The evaporative crystallization system
System includes mainly MVR evaporator 5.1 and crystallizer 5.2, and the MVR evaporator 5.1 is connect with concentrate collecting pit 4.10, described
Production Wastewater By Combined Acidification And Demulsification slot 1.2, oil removal subsider 1.3, the first pH value adjustment slot 1.4, coagulating slot 2.1, flocculation tank 2.2, the 2nd PH
It is worth regulating tank 2.3, tube settling slot 2.4, hydrolysis acidification pool 3.1, anoxic pond 3.2, contact-oxidation pool 3.3,3.4 bottom of MBR membrane cisterna
Portion is equipped with sludge pipe, and the sludge pipe is connect with sludge concentration tank 6, and the sludge concentration tank 6 is connect with chamber-type press filter 7,
The effluent recycling of the chamber-type press filter 7 does not mark into comprehensive adjustment pond 1.5(figure), it also sets in the pretreatment collection system
Have a collecting pit 1.6 of several parallel connections, be equipped with grille well in the collecting pit 1.6, the collecting pit 1.6 with comprehensive adjustment pond
1.5 connect, and are equipped with agitating device in the first pH value adjustment slot 1.4, coagulating slot 2.1 and flocculation tank 2.2, described to connect
It is equipped with aerator in touching oxidation pond 3.3 and MBR membrane cisterna 3.4, is equipped in the hydrolysis acidification pool 3.1 and anoxic pond 3.2
Diving mixing device, the air flotation slot 2.5 is interior to be equipped with Slag Scraping Device, and dross outlet and the sludge concentration tank 6 of the air flotation slot 2.5 connect
It connects.
The utility model is not limited to the complete processing of coating wastewater zero-emission involved in above-mentioned specific embodiment and sets
Standby, those skilled in the art can also make a variety of variations accordingly, but any be equal with the utility model or similar
Variation should all be covered in the range of the utility model claims.
Claims (6)
1. the complete processing equipment of coating wastewater zero-emission, main includes pretreatment collection system, materializing strategy system, biochemistry and film
Processing system, intermediate water reuse system and evaporation and crystallization system；It is characterized by:
The pretreatment collection system mainly includes sequentially connected collecting tank, Production Wastewater By Combined Acidification And Demulsification slot, oil removal subsider, the first pH value
Regulating tank and comprehensive adjustment pond；
The materializing strategy system mainly includes that sequentially connected coagulating slot, flocculation tank, the second pH value adjustment slot, inclined tube are heavy
Shallow lake slot and air flotation slot；The coagulating slot is connect with comprehensive adjustment pond；
The biochemical and film processing system mainly includes sequentially connected hydrolysis acidification pool, anoxic pond, contact-oxidation pool, MBR film
Pond and intermediate pool；The hydrolysis acidification pool is connected with the production water out of air flotation slot；
The intermediate water reuse system mainly includes sequentially connected more medium filter, nanofiltration device, nanofiltration pond, reverse osmosis guarantor
Pacify filter, second level reverse osmosis apparatus and reuse pool；The more medium filter is connect with intermediate pool, the second level reverse osmosis
The concentrated water outlet of saturating device is connect with concentrated water pond, and the concentrated water pond is sequentially connected core type filter, DTRO film device and nanofiltration water
Pond；The concentrated water outlet of the DTRO film device is connect with concentrate collecting pit；
The evaporation and crystallization system mainly includes MVR evaporator and crystallizer, and the MVR evaporator and concentrate collecting pit connect
It connects.
2. the complete processing equipment of coating wastewater zero-emission according to claim 1, it is characterised in that: the Production Wastewater By Combined Acidification And Demulsification
Slot, oil removal subsider, the first pH value adjustment slot, coagulating slot, flocculation tank, the second pH value adjustment slot, tube settling slot, hydrolysis
Acidification pool, anoxic pond, contact-oxidation pool, MBR membrane cisterna bottom are equipped with sludge pipe, and the sludge pipe is connect with sludge concentration tank,
The sludge concentration tank is connect with chamber-type press filter, the effluent recycling of the chamber-type press filter to comprehensive adjustment pond.
3. the complete processing equipment of coating wastewater zero-emission according to claim 1, it is characterised in that: the pretreatment is collected
Be additionally provided with the collecting pit of several parallel connections in system, be equipped with grille well in the collecting pit, the collecting pit with comprehensive adjustment pond
Connection.
4. the complete processing equipment of coating wastewater zero-emission according to claim 1, it is characterised in that: the first pH value tune
Agitating device is equipped in section slot, coagulating slot and flocculation tank.
5. the complete processing equipment of coating wastewater zero-emission according to claim 1, it is characterised in that: the contact-oxidation pool
With aerator is equipped in MBR membrane cisterna, be equipped with diving mixing device in the hydrolysis acidification pool and anoxic pond.
6. the complete processing equipment of coating wastewater zero-emission according to claim 1, it is characterised in that: set in the air flotation slot
There is Slag Scraping Device, the dross outlet of the air flotation slot is connect with sludge concentration tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821636842.6U CN208980540U (en) | 2018-10-10 | 2018-10-10 | The complete processing equipment of coating wastewater zero-emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821636842.6U CN208980540U (en) | 2018-10-10 | 2018-10-10 | The complete processing equipment of coating wastewater zero-emission |
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| CN208980540U true CN208980540U (en) | 2019-06-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573961A (en) * | 2019-11-01 | 2020-08-25 | 苏州柳溪机电工程有限公司 | Waste water treatment system of environment-friendly coating assembly line |
| CN113929262A (en) * | 2021-10-18 | 2022-01-14 | 包头钢铁（集团）有限责任公司 | Waste emulsion and phosphating wastewater co-treatment system and co-treatment process thereof |
| CN114506979A (en) * | 2022-02-24 | 2022-05-17 | 合肥凯华环保科技有限公司 | Zero-discharge integrated equipment for coating wastewater |
| CN115321759A (en) * | 2022-08-29 | 2022-11-11 | 上海环境保护有限公司 | Coating wastewater purification method and purification system |
-
2018
- 2018-10-10 CN CN201821636842.6U patent/CN208980540U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573961A (en) * | 2019-11-01 | 2020-08-25 | 苏州柳溪机电工程有限公司 | Waste water treatment system of environment-friendly coating assembly line |
| WO2021082136A1 (en) * | 2019-11-01 | 2021-05-06 | 苏州柳溪机电工程有限公司 | Wastewater treatment system for environment-friendly paint coating line |
| CN113929262A (en) * | 2021-10-18 | 2022-01-14 | 包头钢铁（集团）有限责任公司 | Waste emulsion and phosphating wastewater co-treatment system and co-treatment process thereof |
| CN114506979A (en) * | 2022-02-24 | 2022-05-17 | 合肥凯华环保科技有限公司 | Zero-discharge integrated equipment for coating wastewater |
| CN115321759A (en) * | 2022-08-29 | 2022-11-11 | 上海环境保护有限公司 | Coating wastewater purification method and purification system |
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