CN105399253B - One kind machining painting wastewater and cleaning waste water coupled processing method and system - Google Patents
One kind machining painting wastewater and cleaning waste water coupled processing method and system Download PDFInfo
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- CN105399253B CN105399253B CN201510904188.7A CN201510904188A CN105399253B CN 105399253 B CN105399253 B CN 105399253B CN 201510904188 A CN201510904188 A CN 201510904188A CN 105399253 B CN105399253 B CN 105399253B
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
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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
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
Abstract
Comprise the following steps the invention discloses one kind machining painting wastewater with cleaning waste water coupled processing method and system, method：1) painting wastewater is pre-processed；2) cleaning draining and pretreated painting wastewater are passed through into raw water groove to mix；3) sewage blended in raw water groove is passed through mixing channel, and appropriate aggegation agent solution, dilute acid, dilution alkali and agglutinant adjuvant solution is passed through in mixing channel；4) the coagulation sedimentation sewage in coagulation sedimentation groove；5) sewage transport on coagulation sedimentation groove top is neutralized into sewage into neutralization chamber；6) by the sewage transport of neutralized processing to handling in tank, the part of contaminated water handled in tank is discharged into sewer pipes, part of contaminated water is recycled to paint spray booth tank.The present invention can not only realize that operation is simple, floor space is small, easy to operate, financial cost is relatively low, and non-secondary pollution, stable water outlet qualified discharge.
Description
Technical field
The present invention relates to a kind of processing method and system of waste water.
Background technology
Spraying waste water mostlys come from the vehicle body pretreatment procedures such as pre- degreasing, degreasing, table tune, phosphatization, passivation；Ability cathode electrophoresis
Process and painting process, containing pollutants such as resin, surfactant, metal ion, pigment in vehicle coating wastewater, particularly
Wherein Chinese herbaceous peony surface treatment waste water, painting wastewater complicated component, concentration is high, and biodegradability is poor, and intractability is big, and lack has at present
Imitate processing method.
Machining spraying waste water include two kinds, one kind for spray painting before surface treatment produce waste water, it is another then be paint
House property gives birth to waste water.Wet type paint spray booth waste water, refer to and paint spray booth operation area air is washed with water, coating cloud and organic solvent are turned in air
Move on to and painting wastewater is formd in water.Contain a large amount of coating cloud particles in waste water, its water quality is by curing agent used (TDI, TMP etc.)：
TDI nail phenylisocyanates, TMP nail base benzyl Aminometradine class materials, powder or liquid, call in the insatiable hunger of solid-phase resin in paint
Interlinked with key or linear structure high molecular weight reactive.Promote to paint desiccation formation paint film.It is surface-treated before lacquer spraying technique
Technique produces waste water and is higher by as many as 2000 times of national requirements emission limit containing heavy metal, total phosphorus.Painting wastewater involves a wide range of knowledge, and dirty
Metachromia is big, has toxicity, is one of industrial wastewater of priority control.These wastewater flow rates are although less but organic concentration very
Height, wherein painting wastewater COD are up to 40000~20000mg/L, if can be caused without processing directly discharge to environment serious
Pollution.
At present, there is bottleneck in the domestic processing to high concentration mechanical processing waste water, many combined treatment process can succeed
Its COD is down to thousands of mg/L, but be intended to further to improve treatment effeciency it is very difficult.The many units of recent year are numerous and confused
Treatment with Ultrafiltration technique is introduced, though preferable result can be obtained, because film cost is high, managerial skills are limited, have concentration
Liquid produces so that processing cost remains high；The reasons such as film quality is unqualified in addition and live variation water quality is big, often result in and set
It is standby to block, production can not be ensured normal operation.
Therefore those skilled in the art be directed to developing a kind of low processing cost, method of wastewater treatment of high treating effect and
System.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of processing cost
Low, high treating effect method of wastewater treatment and system.
To achieve the above object, the invention provides one kind machining painting wastewater and cleaning waste water coupling processing side
Method, comprise the following steps：
1) painting wastewater is pre-processed：Light electrolysis is carried out under painting wastewater pH value is adjusted to acid condition；Light electrolysis goes out
Water add in acid condition oxidant by reel chain, difficult degradation oxidation operation into small molecule, degradable organic matter, so
Oxidized water outlet regulation pH value is adjusted to alkalescence, flocculation sediment afterwards and removes part organic pollutant and inorganic pollution,
So that COD clearance reaches 30%；
2) cleaning draining and pretreated painting wastewater are passed through into raw water groove to mix；
3) sewage blended in raw water groove is passed through mixing channel, and be passed through in mixing channel appropriate aggegation agent solution,
Dilute acid, dilution alkali and agglutinant adjuvant solution；
4) the coagulation sedimentation sewage in coagulation sedimentation groove；
5) sewage transport on coagulation sedimentation groove top is neutralized into sewage into neutralization chamber；
6) by the sewage transport of neutralized processing to handling in tank, the part of contaminated water handled in tank is discharged into sewer
Pipeline, part of contaminated water are recycled to paint spray booth tank.
Preferably, in step 2), the volume ratio for cleaning waste water and painting wastewater is not higher than 10:1.
Preferably, in step 5), then the sewage transport of coagulation sedimentation groove bottom to thickener is discharged through sludge pump；
The sewage transport of thickener middle and upper part circular treatment into raw water groove.
Present invention also offers one kind machining painting wastewater and cleaning waste water coupled processing system, including it is connected to each other
Sewage-treatment plant, painting wastewater pretreatment unit and medicine system；
The sewage-treatment plant includes the raw water groove connected with cleaning drainpipe；The raw water groove passes through the first delivery pump
It is connected with pipeline with the first mixing channel；First mixing channel connects with the second mixing channel and the first coagulating bath；Described first is solidifying
Collection groove connects with the first coagulation sedimentation groove；The first coagulation sedimentation groove passes through pipeline connection with neutralization chamber；The neutralization chamber with
Processing tank passes through pipeline connection；The processing tank is connected by emptying pump and pipeline with paint spray booth tank and sewer pipes
Connect；
The spray painting sewage pre-treatment device includes the painting wastewater groove connected with coating project drainpipe；The spray painting is useless
Tank is connected by the second delivery pump and pipeline with light electrolysis groove；There is filler in the light electrolysis groove；The light electrolysis groove leads to
Pipeline is crossed to be connected with the 3rd mixing channel；3rd mixing channel connects with the 4th mixing channel and the second coagulating bath；Described second is solidifying
Collection groove connects with the second coagulation sedimentation groove；The second coagulation sedimentation groove passes through pipeline connection with spray painting processing tank；The spray
Paint processing tank is connected by the 3rd delivery pump and pipeline with the raw water groove；
It is molten that medicine system includes agglutinant dissolving tank, dilution acid tank, dilution alkali groove, aggegation adjuvant dissolving tank and oxidant
Solve groove；
The agglutinant dissolving tank is connected with the first dilution water lines and the first dissolving cylinder；The agglutinant dissolving tank passes through
First dosing pump and pipeline are connected with first mixing channel；
The dilution acid tank is connected with the second dilution water lines and sour stoste pipeline；The dilution acid tank passes through the second dosing
Pump and pipeline are connected with first mixing channel, are connected by the 3rd dosing pump and pipeline with the neutralization chamber, are added by the 4th
Teat pipette and pipeline are connected with the 3rd mixing channel, are connected by the 5th dosing pump and pipeline with the light electrolysis groove；
The dilution alkali groove is connected with the 3rd dilution water lines and alkali stoste pipeline；The dilution alkali groove passes through the 7th dosing
Pump and pipeline are connected with the 4th mixing channel, are connected by the 8th dosing pump and pipeline with second mixing channel；
The aggegation adjuvant dissolving tank is connected with the 4th dilution water lines and the second dissolving cylinder；The aggegation adjuvant is molten
Solution groove is connected by the 9th dosing pump and pipeline with second coagulating bath, solidifying by the tenth dosing pump and pipeline and described first
Collect groove connection；
The oxidant dissolving tank is connected with the 5th dilution water lines and the 3rd dissolving cylinder；The oxidant dissolving tank passes through
6th dosing pump and pipeline are connected with the 3rd mixing channel.
Preferably, the bottom of the light electrolysis groove is provided with air pipeline；The air pipeline is connected with air pump.
Preferably, the first coagulation sedimentation groove is connected by the first retrogradation pump and pipeline with thickener；
The second coagulation sedimentation groove is connected by the second retrogradation pump and pipeline with the thickener；
The top of the raw water groove is accessed on the top of the thickener by pipeline.
Preferably, the downstream of the thickener is connected with thickened sludge pump, sewage sludge storage groove, sludge pump in turn.
Preferably, the raw water groove is provided with the first liquid level sensor with first delivery pump linkage；The processing
Tank is provided with the second liquid level sensor with emptying pump linkage；The sewage sludge storage groove is provided with the 3rd level sensing
Device；The agglutinant dissolving tank is provided with the 4th liquid level sensor；The dilution acid tank is provided with the 5th liquid level sensor；It is described
Dilution alkali groove is provided with the 6th liquid level sensor；Aggegation adjuvant dissolving tank is provided with the 7th liquid level sensor；The oxidant
Dissolving tank is provided with the 8th liquid level sensor；The painting wastewater groove is provided with the 9th liquid level with second delivery pump linkage
Sensor.
Preferably, first mixing channel is provided with the first motor and the first aqueous agitation device；Second mixing channel
It is provided with the second motor and second liquid agitating device；The coagulating bath is provided with the 3rd motor and the 3rd aqueous agitation device；
The neutralization chamber is provided with the 4th motor and the 4th aqueous agitation device；
The agglutinant dissolving tank is provided with the 5th motor and the 5th aqueous agitation device；The dilution acid tank is provided with the
Six motors and the 6th aqueous agitation device；The dilution alkali groove is provided with the 7th motor and the 7th aqueous agitation device；It is described solidifying
Collection adjuvant dissolving tank is provided with the 8th motor and the 8th aqueous agitation device；The oxidant dissolving tank is provided with the 9th motor
With the 9th aqueous agitation device；
3rd mixing channel is provided with the 11st motor and the 11st aqueous agitation device；4th mixing channel is set
There are twelve-motor and the 12nd aqueous agitation device；Second coagulating bath is provided with the 13rd motor and the 13rd liquid stirs
Dynamic device.
The beneficial effects of the invention are as follows：The present invention can not only realize that operation is simple, floor space is small, easy to operate, economical
Cost is relatively low, and non-secondary pollution, stable water outlet qualified discharge.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the structural representation of sewage-treatment plant in Fig. 1.
Fig. 3 is the structural representation of painting wastewater pretreatment unit in Fig. 1.
Fig. 4 is the structural representation of medicine system in Fig. 1.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
One kind machining painting wastewater and cleaning waste water coupled processing method, comprise the following steps：
1) painting wastewater is pre-processed：Light electrolysis is carried out under painting wastewater pH value is adjusted to acid condition；Light electrolysis goes out
Water add in acid condition oxidant by reel chain, difficult degradation oxidation operation into small molecule, degradable organic matter, so
Oxidized water outlet regulation pH value is adjusted to alkalescence, flocculation sediment afterwards and removes part organic pollutant and inorganic pollution,
So that COD clearance reaches 30%；
2) will cleaning draining and pretreated painting wastewater be passed through raw water groove mix, with realize homogeneous, measure, dilute,
It is coprecipitated, and get rid of partial contamination thing；
3) sewage blended in raw water groove is passed through mixing channel, and be passed through in mixing channel appropriate aggegation agent solution,
Dilute acid, dilution alkali and agglutinant adjuvant solution, to remove useless Organic substance in water and phosphate；
4) the coagulation sedimentation sewage in coagulation sedimentation groove；Sludge will be produced by gravitational settling, be precipitated to precipitation trench bottom,
After sludge pump is delivered to thickener concentration, the processed in units for having processing sludge qualification is transferred；
5) sewage transport on coagulation sedimentation groove top is neutralized into sewage into neutralization chamber, the pH value of sewage is adjusted to neutrality；
6) by the sewage transport of neutralized processing to handling in tank, the part of contaminated water handled in tank is discharged into sewer
Pipeline, part of contaminated water are recycled to paint spray booth tank.
In step 2), the volume ratio for cleaning waste water and painting wastewater is not higher than 10:1.In the present embodiment, surface clean waste water
Producing load daily is：90mg/l×8t×10-3=0.72kgCOD/ days；Painting wastewater produces load daily：
23000mg/l×V×10-3；V represents the volume (t) with the coating project waste water of surface clean waste water proportioning processing；Through match with
And need to reach national comprehensive discharge standard primary standard after processing：100mg/l, then match volume V=0.028t.
In step 5), then the sewage transport of coagulation sedimentation groove bottom to thickener is discharged through sludge pump；In thickener
The sewage transport on top circular treatment into raw water groove.
Shown as shown in Figures 1 to 4, the above method is by being machined painting wastewater and cleaning waste water coupled processing system
Realize, the system includes sewage-treatment plant A, painting wastewater pretreatment unit B and the medicine system C being connected to each other.
Sewage-treatment plant A includes the raw water groove 3 connected with cleaning drainpipe 2, and raw water groove 3 passes through the He of the first delivery pump 4
Pipeline is connected with the first mixing channel 5, and the first mixing channel 5 connects with the second mixing channel 6 and the first coagulating bath 7, the first coagulating bath 7 with
First coagulation sedimentation groove 8 connects, and the first coagulation sedimentation groove 8 passes through pipeline connection, neutralization chamber 11 and processing tank with neutralization chamber 11
12 are connected by pipeline connection, processing tank 12 by emptying pump 13 and pipeline with paint spray booth tank 14 and sewer pipes.
The sewage pre-treatment device B that paints includes the painting wastewater groove 57 connected with coating project drainpipe 1, painting wastewater groove
57 are connected by the second delivery pump 58 and pipeline with light electrolysis groove 59, and there is iron charcoal to add metal alloy mixing in light electrolysis groove 59
The filler 60 of thing.Light electrolysis groove 59 is connected by pipeline with the 3rd mixing channel 61, the 3rd mixing channel 61 and the 4th mixing channel 62 and
Second coagulating bath 63 connects, and the second coagulating bath 63 connects with the second coagulation sedimentation groove 64, at the second coagulation sedimentation groove 64 and spray painting
Tank 65 is managed to be connected with raw water groove 3 by the 3rd delivery pump 66 and pipeline by pipeline connection, spray painting processing tank 65.
Medicine system C includes agglutinant dissolving tank 17, dilution acid tank 21, dilution alkali groove 25, aggegation adjuvant dissolving tank 29
With oxidant dissolving tank 75.
Agglutinant dissolving tank 17 dissolves cylinder 16 with the first dilution water lines 15 and first and is connected, and agglutinant dissolving tank 17 passes through
First dosing pump 18 and pipeline are connected with the first mixing channel 5.
Dilution acid tank 21 is connected with the second dilution water lines 19 and sour stoste pipeline 20.Dilution acid tank 21 passes through the second dosing
Pump 22 and pipeline are connected with the first mixing channel 5, are connected by the 3rd dosing pump 67 and pipeline with neutralization chamber 11, are passed through the 4th dosing
Pump 68 and pipeline are connected with the 3rd mixing channel 61, are connected by the 5th dosing pump 69 and pipeline with light electrolysis groove 59.
Dilution alkali groove 25 is connected with the 3rd dilution water lines 23 and alkali stoste pipeline 24, and dilution alkali groove 25 passes through the 7th dosing
Pump 71 and pipeline are connected with the 4th mixing channel 62, are connected by the 8th dosing pump 72 and pipeline with the second mixing channel 6.
Aggegation adjuvant dissolving tank 29 dissolves cylinder 28 with the 4th dilution water lines 27 and second and is connected, the dissolving of aggegation adjuvant
Groove 29 is connected by the 9th dosing pump 73 and pipeline 30 with the second coagulating bath 63, solidifying by the tenth dosing pump 74 and pipeline and first
Collection groove 7 connects.
Oxidant dissolving tank 75 dissolves cylinder 77 with the 5th dilution water lines 76 and the 3rd and is connected, and oxidant dissolving tank 75 passes through
6th dosing pump 70 and pipeline are connected with the 3rd mixing channel 61.
The bottom of light electrolysis groove 59 is provided with air pipeline 80, and air pipeline 80 is connected with air pump 81.
First coagulation sedimentation groove 8 is connected by the first retrogradation pump 9 and pipeline with thickener 10, and the second coagulation sedimentation groove 64 is logical
Cross the second retrogradation pump 77 and pipeline is connected with thickener 10.
The top of raw water groove 3 is accessed on the top of thickener 10 by pipeline.The downstream of thickener 10 is connected with concentration in turn
Sludge pump 31, sewage sludge storage groove 32, sludge pump 33.
Raw water groove 3 is provided with the first liquid level sensor 34 with the linkage of the first delivery pump 4, and processing tank 12 is provided with and arranged
The second liquid level sensor 35 of the linkage of pump 13 is put, sewage sludge storage groove 32 is provided with the 3rd liquid level sensor 36, agglutinant dissolving tank
17 are provided with the 4th liquid level sensor 37, and dilution acid tank 21 is provided with the 5th liquid level sensor 38, and dilution alkali groove 25 is provided with the
Six liquid level sensors 39, aggegation adjuvant dissolving tank 29 are provided with the 7th liquid level sensor 40, and oxidant dissolving tank 75 is provided with
8th liquid level sensor 78, painting wastewater groove 57 are provided with the 9th liquid level sensor 79 with the linkage of the second delivery pump 58.
First mixing channel 5 is provided with the first motor 41 and the first aqueous agitation device 42, and the second mixing channel 6 is provided with second
Motor 43 and second liquid agitating device 44, coagulating bath 7 are provided with the 3rd motor 45 and the 3rd aqueous agitation device 46, neutralization chamber
11 are provided with the 4th motor 47 and the 4th aqueous agitation device 48.
Agglutinant dissolving tank 17 is provided with the 5th motor 49 and the 5th aqueous agitation device 50, and dilution acid tank 21 is provided with the
Six motors 51 and the 6th aqueous agitation device 52, dilution alkali groove 25 are provided with the 7th motor 53 and the 7th aqueous agitation device 54,
Aggegation adjuvant dissolving tank 29 is provided with the 8th motor 55 and the 8th aqueous agitation device 56, and oxidant dissolving tank 75 is provided with
Nine motors 82 and the 9th aqueous agitation device 83.
3rd mixing channel 62 is provided with the tenth motor 84 and the tenth aqueous agitation device 85, and the 4th mixing channel 63 is provided with
Six motors 86 and the 12nd aqueous agitation device 87, the second coagulating bath 64 are provided with the aqueous agitation of twelve-motor 88 and the 12nd
Device 89.
When said system works, all liq flow direction is as shown in Figure 1 to Figure 4 shown in arrow.Spray painting in coating project draining is dirty
Water COD contents are high, BOD contents are smaller, and biodegradability is poor.Wherein, main organic pollution is acrylic acid, is also added in lacquer spraying technique
Add partially cured dose, intractability is larger.But spray painting sewage water is smaller and reusable.Surface clean sewage is main
Pollutant is phosphate, total zinc, and water is larger.But surface clean sewage requirement qualified discharge, difficulty are larger.Therefore, this hair
The bright surface treatment waste water that COD concentration is relatively low and the higher paint spray booth waste water mixed processing of a certain amount of COD concentration, are handled out
Water, water quantity holding balance needed for spray painting aqueous humor pond supply lacquer spraying technique is partly refluxed to, it is comprehensive that remainder can reach national sewage
Close discharge standard directly to discharge, so as to reach at lower cost, realize qualified discharge.
For painting wastewater with cleaning waste water after above-mentioned technique and device processing, water outlet is reachable《Integrated wastewater discharge discharge mark
It is accurate》The requirement of GB8978-1996 first grade dischargings.
Paint spray booth tank sewage 1 year or half a year row once, can specifically set the discharge cycle according to project demand.Will processing
Part of contaminated water afterwards is recycled to paint spray booth and is continuing with, and to ensure the amount of tank water, and is available for lacquer spraying technique to recycle, simultaneously
Also paint spray booth working environment is improved.
According to the inflow concentration of zinc, liquid chelating agent feeding device can be increased in said system, to handle the dirt that zinc is brought
Dye.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (6)
1. one kind machining painting wastewater and cleaning waste water coupled processing system, it is characterized in that：Including the sewage being connected to each other
Processing unit (A), painting wastewater pretreatment unit (B) and medicine system (C)；
The sewage-treatment plant (A) includes the raw water groove (3) connected with cleaning drainpipe (2)；The raw water groove (3) passes through
One delivery pump (4) and pipeline are connected with the first mixing channel (5)；First mixing channel (5) and the second mixing channel (6) and first are solidifying
Collect groove (7) connection；First coagulating bath (7) connects with the first coagulation sedimentation groove (8)；The first coagulation sedimentation groove (8) with
Neutralization chamber (11) passes through pipeline connection；The neutralization chamber (11) passes through pipeline connection with processing tank (12)；The processing tank
(12) it is connected by emptying pump (13) and pipeline with paint spray booth tank (14) and sewer pipes；
The spray painting sewage pre-treatment device (B) includes the painting wastewater groove (57) connected with coating project drainpipe (1)；It is described
Painting wastewater groove (57) is connected by the second delivery pump (58) and pipeline with light electrolysis groove (59)；Have in the light electrolysis groove (59)
There is filler (60)；The light electrolysis groove (59) is connected by pipeline with the 3rd mixing channel (61)；3rd mixing channel (61) with
4th mixing channel (62) connects with the second coagulating bath (63)；Second coagulating bath (63) connects with the second coagulation sedimentation groove (64)
It is logical；The second coagulation sedimentation groove (64) passes through pipeline connection with spray painting processing tank (65)；The spray painting processing tank (65)
It is connected by the 3rd delivery pump (66) and pipeline with the raw water groove (2)；
Medicine system (C) includes agglutinant dissolving tank (17), dilution acid tank (21), dilution alkali groove (25), the dissolving of aggegation adjuvant
Groove (29) and oxidant dissolving tank (75)；
The agglutinant dissolving tank (17) is connected with the first dilution water lines (15) and the first dissolving cylinder (16)；The agglutinant is molten
Solution groove (17) is connected by the first dosing pump (18) and pipeline with first mixing channel (5)；
The dilution acid tank (21) is connected with the second dilution water lines (19) and sour stoste pipeline (20)；The dilution acid tank (21)
It is connected by the second dosing pump (22) and pipeline with first mixing channel (5), passes through the 3rd dosing pump (67) and pipeline and institute
Neutralization chamber (11) connection is stated, is connected by the 4th dosing pump (68) and pipeline with the 3rd mixing channel (61), passes through slender acanthopanax
Teat pipette (69) and pipeline are connected with the light electrolysis groove (59)；
The dilution alkali groove (25) is connected with the 3rd dilution water lines (23) and alkali stoste pipeline (24)；The dilution alkali groove (25)
It is connected by the 7th dosing pump (71) and pipeline with the 4th mixing channel (62), passes through the 8th dosing pump (72) and pipeline and institute
State the second mixing channel (6) connection；
The aggegation adjuvant dissolving tank (29) is connected with the 4th dilution water lines (27) and the second dissolving cylinder (28)；The aggegation
Adjuvant dissolving tank (29) is connected by the 9th dosing pump (73) and pipeline (30) with second coagulating bath (63), passes through the tenth
Dosing pump (74) and pipeline are connected with first coagulating bath (7)；
The oxidant dissolving tank (75) is connected with the 5th dilution water lines (76) and the 3rd dissolving cylinder (77)；The oxidant is molten
Solution groove (75) is connected by the 6th dosing pump (76) and pipeline with the 3rd mixing channel (61).
2. machining painting wastewater and cleaning waste water coupled processing system as claimed in claim 1, it is characterized in that：It is described micro-
The bottom of electrolytic cell (59) is provided with air pipeline (80)；The air pipeline (80) is connected with air pump (81).
3. machining painting wastewater and cleaning waste water coupled processing system as claimed in claim 1, it is characterized in that：Described
One coagulation sedimentation groove (8) is connected by the first retrogradation pump (9) and pipeline with thickener (10)；
The second coagulation sedimentation groove (64) is connected by the second retrogradation pump (77) and pipeline with the thickener (10)；
The top of the raw water groove (3) is accessed on the top of the thickener (10) by pipeline.
4. machining painting wastewater and cleaning waste water coupled processing system as claimed in claim 3, it is characterized in that：It is described dense
The downstream of contracting groove (10) is connected with thickened sludge pump (31), sewage sludge storage groove (32), sludge pump (33) in turn.
5. machining painting wastewater and cleaning waste water coupled processing system as claimed in claim 4, it is characterized in that：The original
Tank (3) is provided with the first liquid level sensor (34) with first delivery pump (4) linkage；The processing tank (12) is set
There is the second liquid level sensor (35) with the emptying pump (13) linkage；The sewage sludge storage groove (32) is provided with the 3rd liquid level biography
Sensor (36)；The agglutinant dissolving tank (17) is provided with the 4th liquid level sensor (37)；The dilution acid tank (21) is provided with
5th liquid level sensor (38)；The dilution alkali groove (25) is provided with the 6th liquid level sensor (39)；Aggegation adjuvant dissolving tank
(29) it is provided with the 7th liquid level sensor (40)；The oxidant dissolving tank (75) is provided with the 8th liquid level sensor (78)；Institute
State painting wastewater groove (57) and be provided with the 9th liquid level sensor (79) to be linked with second delivery pump (58).
6. machining painting wastewater and cleaning waste water coupled processing system as claimed in claim 3, it is characterized in that：Described
One mixing channel (5) is provided with the first motor (41) and the first aqueous agitation device (42)；Second mixing channel (6) is provided with
Two motors (43) and second liquid agitating device (44)；The coagulating bath (7) is provided with the 3rd motor (45) and the 3rd liquid stirs
Dynamic device (46)；The neutralization chamber (11) is provided with the 4th motor (47) and the 4th aqueous agitation device (48)；
The agglutinant dissolving tank (17) is provided with the 5th motor (49) and the 5th aqueous agitation device (50)；The dilution acid tank
(21) the 6th motor (51) and the 6th aqueous agitation device (52) are provided with；The dilution alkali groove (25) is provided with the 7th motor
And the 7th aqueous agitation device (54) (53)；The aggegation adjuvant dissolving tank (29) is provided with the 8th motor (55) and the 8th liquid
Body agitating device (56)；The oxidant dissolving tank (75) is provided with the 9th motor (82) and the 9th aqueous agitation device (83)；
3rd mixing channel (62) is provided with the tenth motor (84) and the tenth aqueous agitation device (85)；4th mixing channel
(63) the 11st motor (86) and the 11st aqueous agitation device (87) are provided with；Second coagulating bath (64) is provided with the tenth
Two motors (88) and the 12nd aqueous agitation device (89).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904188.7A CN105399253B (en) | 2015-12-07 | 2015-12-07 | One kind machining painting wastewater and cleaning waste water coupled processing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904188.7A CN105399253B (en) | 2015-12-07 | 2015-12-07 | One kind machining painting wastewater and cleaning waste water coupled processing method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105399253A CN105399253A (en) | 2016-03-16 |
| CN105399253B true CN105399253B (en) | 2017-12-08 |
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| CN104961304A (en) * | 2015-07-15 | 2015-10-07 | 大连世达特环保科技有限公司 | High-concentration fluorine chemical wastewater treatment technology |
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| KR20140047334A (en) * | 2012-10-12 | 2014-04-22 | 김규홍 | Device for treating sewage and waste water or source water |
| CN103570169A (en) * | 2013-11-17 | 2014-02-12 | 遵义市倍缘化工有限责任公司 | Sewage decoloring treatment process |
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