CN104843905B - The pre-processing device of high concentration cutting fluid sewage - Google Patents
The pre-processing device of high concentration cutting fluid sewage Download PDFInfo
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- CN104843905B CN104843905B CN201510269213.9A CN201510269213A CN104843905B CN 104843905 B CN104843905 B CN 104843905B CN 201510269213 A CN201510269213 A CN 201510269213A CN 104843905 B CN104843905 B CN 104843905B
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- high concentration
- cutting fluid
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- 239000010865 sewage Substances 0.000 title claims abstract description 55
- 239000002173 cutting fluid Substances 0.000 title claims abstract description 25
- 238000007781 pre-processing Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 70
- 230000003647 oxidation Effects 0.000 claims abstract description 69
- 239000000839 emulsion Substances 0.000 claims abstract description 63
- 230000015556 catabolic process Effects 0.000 claims abstract description 62
- 239000000126 substance Substances 0.000 claims abstract description 44
- 238000005189 flocculation Methods 0.000 claims abstract description 32
- 230000016615 flocculation Effects 0.000 claims abstract description 32
- 238000005188 flotation Methods 0.000 claims abstract description 29
- 230000015271 coagulation Effects 0.000 claims description 22
- 238000005345 coagulation Methods 0.000 claims description 22
- 239000002893 slag Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229940079593 drug Drugs 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 abstract description 11
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- -1 light electrolysis Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses the pre-processing device of a kind of high concentration cutting fluid sewage, it includes breakdown of emulsion pond, the side in described breakdown of emulsion pond is provided with water inlet, opposite side sets gradually chemical oxidation pond, flocculation basin, flotation tank and clear water reserviors, and body refuse collecting pit is arranged on the underface of breakdown of emulsion pond, chemical oxidation pond and flocculation basin.The present invention has rational in infrastructure, the feature of compact in design, high treating effect; few, the feature of concentration superelevation for machining of metals liquid sewage quantity; have employed the unit equipment integrating the treatment technologies such as breakdown of emulsion, chemical oxidation, flocculation, air supporting, deslagging; both operation continuously can have been used; may be used without interval to run in batches; can efficiently process intermetallic composite coating high concentration cutting fluid sewage; so on the one hand, enterprise's production cost can be reduced; on the other hand at utmost protect environment, thus alleviate environmental pollution.
Description
Technical field
The present invention relates to a kind of polluted water pretreatment apparatus, the pretreatment being specifically related to a kind of high concentration cutting fluid sewage sets
Standby.
Background technology
Waste water during metal machining is essentially from coolant, organic cleaning fluid, painting wastewater, electric spark work
Liquid etc..Less but organic concentration is the highest, wherein coolant COD for amountCrUp to several ten thousand even hundreds of thousands.Domestic to high concentration mechanical
There is bottleneck in the process of processing waste water, many combined treatment process can be successfully by its CODCrIt is down to thousands of, but wants to reach normal
The subsequent treatment condition of rule sewage, the thing being but very difficult to.Recently as the progress of metal machining production technology, made
Emulsion stability more and more higher, be increasingly difficult to breakdown of emulsion；Meanwhile, this kind of waste component is complicated, biodegradability is poor and has
Certain toxicity.At present, processing intermetallic composite coating high concentration cutting fluid sewage both at home and abroad mainly uses breakdown of emulsion, light electrolysis, activated carbon to inhale
The treatment technologies such as attached or ultrafiltration (or reverse osmosis).But these methods are all difficult to, and long period is stable, effectively process, exist as
Lower shortcoming: 1, conventional de-steady deoiling effect is the best；2, light electrolysis fouling silting；3, activated carbon adsorption cannot desorption and regeneration；
4, ultra filtering reverse osmosis membrane technology operating cost and investment cost are the highest.
Summary of the invention
It is an object of the invention to provide one and have breakdown of emulsion, chemical oxidation, flocculation, air supporting efficient high concentration cutting fluid concurrently
The pre-processing device of sewage.
For reaching above-mentioned purpose, the pre-processing device of high concentration cutting fluid sewage of the present invention, it includes breakdown of emulsion pond, described
The side in breakdown of emulsion pond is provided with water inlet, and opposite side sets gradually chemical oxidation pond, flocculation basin, flotation tank and clear water reserviors, body refuse
Collecting pit is arranged on the underface of breakdown of emulsion pond, chemical oxidation pond and flocculation basin；The central authorities in described breakdown of emulsion pond are fixedly installed
One vertical mixer, breakdown of emulsion pond sidewall is provided with the first long handle dosing funnel, and the bottom in breakdown of emulsion pond is provided with breakdown of emulsion blowoff valve
With breakdown of emulsion outlet valve, breakdown of emulsion blowoff valve is connected with body refuse collecting pit through pipeline, and breakdown of emulsion outlet valve promotes water through pipeline with breakdown of emulsion
Pump is connected, and breakdown of emulsion promotes water delivery side of pump and is connected with the water inlet of chemical oxidation pond；In described chemical oxidation pond successively
Being provided with the second vertical mixer, the second long handle dosing funnel and the first water inlet pipe, the end of the first water inlet pipe is respectively through pipeline
Promoting water delivery side of pump be connected with water inlet, the breakdown of emulsion of chemical oxidation pond, the bottom of chemical oxidation pond is provided with oxidation blowdown
Valve and oxidation outlet valve, oxidation blowoff valve pipeline is connected with body refuse collecting pit, and oxidation outlet valve promotes water through pipeline with oxidation
Pump is connected, and oxidation promotes water delivery side of pump and is connected through pipeline and the first water inlet pipe；It is disposed with on described flocculation basin
3rd vertical mixer, the 3rd long handle dosing funnel and the second water inlet pipe, the second water inlet pipe promotes water pump through pipeline with oxidation
Outlet is connected, and the bottom of flocculation basin is provided with coagulation blowoff valve and coagulation outlet valve, and coagulation blowoff valve is received with body refuse through pipeline
Ji Chi is connected, and coagulation outlet valve promotes water pump through pipeline with coagulation and is connected；The top of described flotation tank is provided with receipts slag
Groove, is internally provided with inner core, the bell mouth shape annulus being set to 45 ° of inclination angle suitable for reading of inner core, the bottom of inner core and flotation tank
Lower seal connects, and the bottom of inner core is provided with inlet channel, and one end of inlet channel promotes water delivery side of pump phase with coagulation
Connecting, the other end is provided with cyclone water distributor, the unsettled dissolved air release that is provided with in the top of cyclone water distributor, dissolved air release warp
Pipeline is connected with the outlet of self-priming air dissolved pump, in the hood-shaped waterpower rectification being provided above back-off of dissolved air release
Device, the bottom on the flotation tank left side is provided with blow-off pipe, and the downside on the right is provided with clear water pipe, slag receiving trough and blow-off pipe and all collects with body refuse
Pond is connected；The bottom of described clear water reserviors is provided with clear water output, clear water output through pipeline respectively with discharge pipe, self-priming molten gas
The water inlet of pump is connected；The bottom of described body refuse collecting pit is provided with slag-drip opening.
The top in described breakdown of emulsion pond is set to square or circular, and bottom is set to bore bucket-shaped.
The top of described chemical oxidation pond is set to square or circular, and bottom is set to bore bucket-shaped.
The top of described flocculation basin is set to square or circular, and bottom is set to bore bucket-shaped.
The top of described flotation tank is square or circular, and bottom is set to bore bucket-shaped.
The top of described clear water reserviors is square or circular, and bottom is set to bore bucket-shaped.
Described body refuse collecting pit is set to square box like structure.
The height of described inner core is the half of flotation tank height.
After using technique scheme, received by breakdown of emulsion pond, chemical oxidation pond, flocculation basin, flotation tank, clear water reserviors and body refuse
Collection pond appropriate design combines, by intermetallic composite coating high concentration cutting fluid sewage by breakdown of emulsion pond, chemical oxidation pond, flocculation basin, air supporting
After pond carries out the reaction treatment such as breakdown of emulsion, chemical oxidation, flocculation, air supporting respectively, each scum silica frost processing pond discharge and base sludge are equal
Use and be pooled to body refuse collecting pit from stream mode nearby, discharged by the slag-drip opening of body refuse collecting pit is unified, it is simple to operational management, have
Effect protection environment；Flotation tank uses eddy flow water distribution and air-dissolving air-float technology to combine, and has both simplified equipment, has improved again conventional air supporting
Treatment effect；Intermetallic composite coating high concentration cutting fluid sewage is after the present invention processes, and water outlet COD can be down to below 800mg/L, full
The flow condition that foot sewage second-level processes.Therefore, the present invention have equipment simplify, technology rationally, the feature of high treating effect, non-
It is adapted to the Chemical Pretreatment of intermetallic composite coating high concentration cutting fluid sewage.
Further, the top in described breakdown of emulsion pond is set to square or circular, and bottom is set to bore bucket-shaped, has breakdown of emulsion concurrently anti-
The breakdown of emulsion that with the standing gravitational settling effect of perfect condition, should improve sewage takes off steady effect.
Further, the top of described chemical oxidation pond is set to square or circular, and bottom is set to bore bucket-shaped, it is provided that machine
Tool stirring mixing, circulating reflux waterpower two kinds of chemical reaction conditions of mixing, ensure chemical oxidation effect.
Further, the top of described flocculation basin is set to square or circular, and bottom is set to bore bucket-shaped, has coagulation concurrently anti-
The flocculating effect of sewage should be improved with preferable gravitational settling effect.
Further, the top of described flotation tank is square or circular, and bottom is set to bore bucket-shaped, have concurrently air supporting reaction and
Preferable gravitational settling effect, improves the air-flotation process effect of sewage.
Further, the top of described clear water reserviors is square or circular, and bottom is set to bore bucket-shaped, improves blowdown and clear water
Discharge effect.
Further, described body refuse collecting pit is set to square box like structure, it is simple to receive scum silica frost and the mud in each process pond.
Further, the height of described inner core is the half of flotation tank height, improves air-flotation process effect.
The invention have the characteristics that and advantage:
1, the present invention is suitable to process high concentration or the cutting fluid sewage of ultrahigh concentration, can be by the dirt of several ten thousand more than mg/L COD
It is below 800mg/L that water processes to fall COD, meets the condition of water quality that sewage succeeding level-two processes；
2, the demulsification technology that the present invention is the most with strong points, chemical high-level oxidation technology, flocculation technique, efficient air-floating technology
With preferable waterpower mixing condition in one, having rational in infrastructure, the feature of compact in design, high treating effect, operational management is simple,
In conjunction with automation control system, programme-control can be realized, be greatly improved sewage treating efficiency.
Accompanying drawing explanation
Fig. 1 is the pre-processing device structural representation of high concentration cutting fluid sewage of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the pre-processing device of high concentration cutting fluid sewage of the present invention is described further；
As shown in Figure 1, the pre-processing device of the high concentration cutting fluid sewage of the present invention, it includes breakdown of emulsion pond 1, and described is broken
The side in breast pond 1 is provided with water inlet 11, and opposite side sets gradually chemical oxidation pond 2, flocculation basin 3, flotation tank 4 and clear water reserviors 5,
Body refuse collecting pit 6 is arranged on breakdown of emulsion pond 1, chemical oxidation pond 2 and the underface of flocculation basin 3；The central authorities in described breakdown of emulsion pond 1 are fixed
Being provided with the first vertical mixer 7, breakdown of emulsion pond 1 sidewall is provided with the first long handle dosing funnel 8, the bottom in breakdown of emulsion pond 1 is arranged
Having breakdown of emulsion blowoff valve 12 and breakdown of emulsion outlet valve 13, breakdown of emulsion blowoff valve 12 is connected with body refuse collecting pit 6 through pipeline, breakdown of emulsion outlet valve
13 promote water pump 14 through pipeline with breakdown of emulsion is connected, and breakdown of emulsion promotes the outlet of water pump 14 and is connected with the water inlet of chemical oxidation pond 2
Connect；The second vertical mixer 7 ', the second long handle dosing funnel 8 ' and the first water inlet it is disposed with in described chemical oxidation pond 2
Pipe 9, the end of the first water inlet pipe 9 is connected with water inlet, the outlet of breakdown of emulsion lifting water pump 14 of chemical oxidation pond 2 through pipeline respectively
Connecing, the bottom of chemical oxidation pond 2 is provided with oxidation blowoff valve 21 and oxidation outlet valve 22, and oxidation blowoff valve 21 pipeline is received with body refuse
Collection pond 6 is connected, and oxidation outlet valve 22 promotes water pump 23 through pipeline with oxidation and is connected, and oxidation promotes the outlet of water pump 23 through pipe
Road and the first water inlet pipe 9 are connected；Be disposed with the 3rd vertical mixer 7 on described flocculation basin 3 ", the 3rd long handle dosing
Funnel 8 " and the second water inlet pipe 9 ', the outlet that the second water inlet pipe 9 ' promotes water pump 23 through pipeline with oxidation is connected, flocculation basin 3
Bottom is provided with coagulation blowoff valve 31 and coagulation outlet valve 32, and coagulation blowoff valve 31 is connected with body refuse collecting pit 6 through pipeline, mixed
Solidifying outlet valve 32 promotes water pump 33 through pipeline with coagulation and is connected；The top of described flotation tank 4 is provided with slag receiving trough 41, internal
It is provided with inner core 42, the bell mouth shape annulus being set to 45 ° of inclination angle suitable for reading of inner core 42, the bottom of inner core 42 and flotation tank 4
Lower seal connects, and is provided with inlet channel 420 in the bottom of inner core 42, and one end of inlet channel 420 promotes water pump with coagulation
The outlet of 33 is connected, and the other end is provided with cyclone water distributor 421, and the top of cyclone water distributor 421 is unsettled to be provided with molten gas and release
Putting device 422, dissolved air release 422 is connected through the outlet of pipeline with self-priming air dissolved pump 423, at dissolved air release 422
Being provided above the hood-shaped waterpower commutator 424 of back-off, the bottom on flotation tank 4 left side is provided with blow-off pipe 43, and the downside on the right sets
Clear water pipe 44, slag receiving trough 41 is had all to be connected with body refuse collecting pit 6 with blow-off pipe 43；The bottom of described clear water reserviors 5 is provided with clearly
Water out 51, clear water output 51 through pipeline respectively water inlet with discharge pipe 52, self-priming air dissolved pump 423 be connected；Described
The bottom of body refuse collecting pit 6 is provided with slag-drip opening 61.
High concentration cutting fluid sewage, when assembling uses, is injected in breakdown of emulsion pond 1 by water inlet 11, reaches normal by the present invention
After liquid level, starting the first vertical mixer 7, making sewage is turbulent condition, is then added by the first long handle dosing funnel 8
Medicine: be initially charged dilute sulfuric acid, the pH=5 of regulation sewage, react 20min；Copperas solution is added again, reaction by the proportioning of 2g/L
30min；Finally add NaOH solution, the pH to 78 of regulation sewage, react 10min；Terminate breakdown of emulsion reaction, and stop transport first stand
Formula blender 7, makes breakdown of emulsion pond 1 be in static condition, and sewage is by, after gravitational settling 30min, opening breakdown of emulsion blowoff valve 12, drain
Mud bottom breakdown of emulsion pond 1；Close breakdown of emulsion blowoff valve 12, open breakdown of emulsion outlet valve 13, start breakdown of emulsion and promote water pump 14, by breakdown of emulsion
Rear sewage lifting is in chemical oxidation pond 2；
After sewage injects chemical oxidation pond 2 to normal level, start the second vertical mixer 7 ', make sewage in turbulent flow shape
State, then carries out dosing by the second long handle dosing funnel 8 ': be initially charged dilute sulfuric acid, the pH=3 of regulation sewage, react 20min；
Copperas solution is added again by the proportioning of 1.5g/L, after reaction 10min, the second vertical mixer 7 ' of stopping transport；The most secondary
Add the H of 30%2O2Solution, starts oxidation simultaneously and promotes water pump 23, open return valve 24, make the sewage in chemical oxidation pond 2
Being in circulating reflux state, by waterpower hybrid mode, it is achieved the process effect of sewage chemical oxidation, reaction continues 1 hour, stops
Fortune oxidation promotes water pump 23, terminates chemical oxidation reaction.Allow sewage standing sedimentation, open oxidation blowoff valve 21, drain chemical oxygen
Change the mud bottom pond 2, restart the second vertical mixer 7 ', and add NaOH solution, make the pH to 78 of sewage, stop transport the
Two vertical mixers 7 ', again make chemical oxidation pond 2 standing sedimentation, and open oxidation blowoff valve 21, drain chemical oxidation pond 2 end
After the mud in portion, close oxidation blowoff valve 21, open oxidation outlet valve 22, start oxidation and promote water pump 23, after chemical oxidation
Sewage lifting to flocculation basin 3；
Sewage after chemical oxidation injects flocculation basin 3, to normal level, starts the 3rd vertical mixer 7 ", make sewage
In turbulent condition, by the 3rd long handle dosing funnel 8 " carry out dosing: first adding polymeric aluminum solution, add ratio for 5 ‰, coagulation is anti-
Answer about 10min；Add polyacrylamide solution again, add ratio for 0.08 ‰, coagulating 3min, the 3rd vertical mixing of stopping transport
Machine 7 ", terminate flocculation reaction, flocculation basin 3 static condition, sewage gravitational settling 30min, open coagulation blowoff valve 31 and drain flocculation
Mud bottom pond 3；Close coagulation blowoff valve 31, open coagulation outlet valve 32, start flocculation and promote water pump 33, by sewage by entering
Waterpipe 420 is promoted to flotation tank 4；
While sewage in flotation tank 4 is entered in inner core 42 by cyclone water distributor 421, start self-priming air dissolved pump
423, clear water reserviors 5 containment portion is flowed back into the pressurization of row gas and water, after forming dissolved air water, by clear water pipe 44 through dissolved air release
422 inject in inner cores 42, and sewage fully carries out waterpower and mixes with dissolved air water, the scum silica frost flocs float of formation, upper at flotation tank 4
Portion carries out scum silica frost and separates with clear water: scum silica frost is bubbled through the water column in a large number, enters body refuse collecting pit 6 through slag receiving trough 41；Clear water is made at gravity
Under with, being back to the clear water zone of flotation tank 4 through the outside surrounding of inner core 42, clear water is stored by clear water pipe 44 injected clear water pond 5, reaches
During to output, clear water output 51 discharged by discharge pipe 52 through pipeline, enter after-treatment operation；Dirt in flotation tank 4
Mud is then entered body refuse collecting pit 6 by blow-off pipe 43, is finally discharged by the body refuse outlet 61 of body refuse collecting pit 6.
Above-mentioned each processes all body refuses discharged in pond and is both collected in body refuse collecting pit 6, discharges through body refuse outlet 61,
Outer committee can be carried out as solid waste to dispose.
In the present embodiment, described breakdown of emulsion pond 1, chemical oxidation pond 2, flocculation basin 3, the top of flotation tank 4 are disposed as
Square, it is bucket-shaped that bottom is set to the cone that inclination angle is 45 °, it is simple to discharges each and processes the body refuse in pond, improves pretreating effect.Root
According to daily actually used needs, each top processing pond may be alternatively provided as circle；Described oxidation promotes the outlet warp of water pump 23
Pipeline is divided into two-way: wherein a road is connected with the first water inlet pipe 9, plays backflow immixture；Another road and the second water inlet pipe 9 '
It is connected, facilitates the sewage after chemical oxidation to be injected in flocculation basin 3, carry out coagulating treatment process.
The present invention is directed to that machining of metals liquid sewage quantity is few, the feature of organic contamination substrate concentration superelevation, have employed collection broken
The sewage disposal technologies such as breast, chemical oxidation, flocculation, air supporting, deslagging, in the unit equipment of one, both can use and run continuously, also
The interval method of operation in batches can be used, can efficiently process the high concentration cutting fluid sewage of metal-working industry, so on the one hand
Enterprise's production cost can be reduced, on the other hand at utmost protect environment, thus alleviate environmental pollution.
Claims (8)
1. the pre-processing device of a high concentration cutting fluid sewage, it is characterised in that: it includes breakdown of emulsion pond (1), described breakdown of emulsion
The side in pond (1) is provided with water inlet (11), opposite side set gradually chemical oxidation pond (2), flocculation basin (3), flotation tank (4) and
Clear water reserviors (5), body refuse collecting pit (6) is arranged on breakdown of emulsion pond (1), chemical oxidation pond (2) and the underface of flocculation basin (3)；Described
The central authorities in breakdown of emulsion pond (1) be fixedly installed the first vertical mixer (7), breakdown of emulsion pond (1) sidewall is provided with the first long handle and adds
Medicine funnel (8), the bottom of breakdown of emulsion pond (1) is provided with breakdown of emulsion blowoff valve (12) and breakdown of emulsion outlet valve (13), breakdown of emulsion blowoff valve (12)
Being connected with body refuse collecting pit (6) through pipeline, breakdown of emulsion outlet valve (13) promotes water pump (14) through pipeline with breakdown of emulsion and is connected, breakdown of emulsion
The outlet promoting water pump (14) is connected with the water inlet of chemical oxidation pond (2)；Set gradually in described chemical oxidation pond (2)
There are the second vertical mixer (7 '), the second long handle dosing funnel (8 ') and the first water inlet pipe (9), the end of the first water inlet pipe (9)
Promote water pump (23) outlet through pipeline be connected with water inlet, the oxidation of chemical oxidation pond (2) respectively, chemical oxidation pond (2)
Bottom is provided with oxidation blowoff valve (21) and oxidation outlet valve (22), and oxidation blowoff valve (21) is through pipeline and body refuse collecting pit (6)
Being connected, oxidation outlet valve (22) promotes water pump (23) through pipeline with oxidation and is connected；Set gradually on described flocculation basin (3)
Having the 3rd vertical mixer (7 "), the 3rd long handle dosing funnel (8 ") and the second water inlet pipe (9 '), the second water inlet pipe (9 ') is through pipe
The outlet that road promotes water pump (23) with oxidation is connected, and the bottom of flocculation basin (3) is provided with coagulation blowoff valve (31) and coagulation goes out
Water valve (32), coagulation blowoff valve (31) is connected with body refuse collecting pit (6) through pipeline, and coagulation outlet valve (32) is through pipeline and coagulation
Promote water pump (33) to be connected；The top of described flotation tank (4) is provided with slag receiving trough (41), is internally provided with inner core (42),
The lower seal of the bell mouth shape annulus being set to 45 ° of inclination angle suitable for reading of inner core (42), the bottom of inner core (42) and flotation tank (4)
Connecting, be provided with inlet channel (420) in the bottom of inner core (42), one end of inlet channel (420) promotes water pump with coagulation
(33) outlet is connected, and the other end is provided with cyclone water distributor (421), and the top of cyclone water distributor (421) is unsettled to be provided with
Dissolved air release (422), dissolved air release (422) is connected through the outlet of pipeline with self-priming air dissolved pump (423), at molten gas
The hood-shaped waterpower commutator (424) being provided above back-off of release (422), the bottom on flotation tank (4) left side is provided with blowdown
Pipe (43), the downside on the right is provided with clear water pipe (44), and slag receiving trough (41) is all connected with body refuse collecting pit (6) with blow-off pipe (43)
Connect；The bottom of described clear water reserviors (5) is provided with clear water output (51), clear water output (51) through pipeline respectively with discharge pipe (52),
The water inlet of self-priming air dissolved pump (423) is connected；The bottom of described body refuse collecting pit (6) is provided with slag-drip opening (61).
The pre-processing device of high concentration cutting fluid sewage the most according to claim 1, it is characterised in that: described breakdown of emulsion pond
(1) top is set to square or circular, and bottom is set to bore bucket-shaped.
The pre-processing device of high concentration cutting fluid sewage the most according to claim 1, it is characterised in that: described chemical oxygen
The top changing pond (2) is set to square or circular, and bottom is set to bore bucket-shaped.
The pre-processing device of high concentration cutting fluid sewage the most according to claim 1, it is characterised in that: described flocculation basin
(3) top is set to square or circular, and bottom is set to bore bucket-shaped.
The pre-processing device of high concentration cutting fluid sewage the most according to claim 1, it is characterised in that: described flotation tank
(4) top is square or circular, and bottom is set to bore bucket-shaped.
The pre-processing device of high concentration cutting fluid sewage the most according to claim 1, it is characterised in that: described clear water reserviors
(5) top is square or circular, and bottom is set to bore bucket-shaped.
The pre-processing device of high concentration cutting fluid sewage the most according to claim 1, it is characterised in that: described body refuse is received
Ji Chi (6) is set to square box like structure.
8. according to the pre-processing device of the arbitrary described high concentration cutting fluid sewage of claim 1-7, it is characterised in that: described
The height of inner core (42) is the half of flotation tank (4) height.
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| CN201510269213.9A CN104843905B (en) | 2015-05-25 | 2015-05-25 | The pre-processing device of high concentration cutting fluid sewage |
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| CN201510269213.9A CN104843905B (en) | 2015-05-25 | 2015-05-25 | The pre-processing device of high concentration cutting fluid sewage |
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| CN104843905B true CN104843905B (en) | 2016-12-07 |
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| CN107720868A (en) * | 2017-11-24 | 2018-02-23 | 广州益方田园环保股份有限公司 | One kind spraying waste water air-floating processing apparatus |
| CN108558079B (en) * | 2018-06-22 | 2024-06-25 | 河南康百万环保科技有限公司 | Integrated oily emulsified wastewater treatment machine |
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