CN213357265U - Cutting fluid effluent disposal system - Google Patents
Cutting fluid effluent disposal system Download PDFInfo
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- CN213357265U CN213357265U CN202022216814.2U CN202022216814U CN213357265U CN 213357265 U CN213357265 U CN 213357265U CN 202022216814 U CN202022216814 U CN 202022216814U CN 213357265 U CN213357265 U CN 213357265U
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Abstract
The utility model provides a cutting fluid effluent disposal system, wherein, including consecutive first PH adjusting device, breakdown of emulsion reaction device, flocculation and precipitation device, air supporting device, second PH adjusting device, ABR device, contact oxidation device, two heavy devices, cutting fluid effluent disposal system still include with first PH adjusting device matched with charge device, with breakdown of emulsion reaction device matched with second charge device, with flocculation and precipitation device matched with third charge device, with second PH adjusting device matched with fourth charge device, with the first sludge concentration device that flocculation and precipitation device and air supporting device cooperation set up, with ABR device, contact oxidation device and two heavy second sludge concentration device that the device cooperation set up. The utility model discloses cutting fluid waste water treatment quality can effectively be improved.
Description
Technical Field
The utility model relates to a cutting fluid effluent disposal system especially relates to a low in treatment cost, no secondary pollution's cutting fluid effluent disposal system.
Background
The cutting fluid is a metal working fluid, and generally consists of oil, a surfactant, and various additives. The cutting fluid wastewater contains a large amount of emulsified oil, metal chips, organic matter, etc., and the COD, Total Organic Carbon (TOC), and oil concentration are high. If untreated cutting fluid wastewater is discharged into a natural water body, an oil film is formed on the water surface, so that the water body is anoxic, and the growth of aquatic organisms is threatened. In addition, the grease in the cutting fluid wastewater has strong permeability and can penetrate through soil to enter an underground water layer, so that an underground water source is polluted. After the additives and metal chips in the wastewater enter water circulation, the additives and the metal chips can enter human bodies through food chains, so that the risk of cancer is caused, and the health of human beings is harmed.
Due to the difference of processing technologies, the composition of the cutting fluid wastewater is complex, and the components of wastewater discharged by different manufacturers are greatly different, so that the treatment and recycling of the cutting fluid wastewater are difficult points in the industrial wastewater treatment. Aiming at the treatment of cutting fluid wastewater, because the components of the wastewater are complex, the stable discharge requirement cannot be met by adopting a single treatment method.
In view of the above, there is a need for an improved cutting fluid waste water treatment system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low treatment cost, no secondary pollution's cutting fluid effluent disposal system.
For realizing the utility model discloses the purpose, the utility model provides a cutting fluid effluent disposal system, wherein, including consecutive first PH adjusting device, breakdown of emulsion reaction unit, flocculation and precipitation device, air supporting device, second PH adjusting device, ABR device, contact oxidation device, two heavy devices, cutting fluid effluent disposal system still include with first PH adjusting device matched with charge device, with breakdown of emulsion reaction unit matched with second charge device, with flocculation and precipitation device matched with third charge device, with second PH adjusting device matched with fourth charge device, with the first sludge concentration device that flocculation and precipitation device and air supporting device cooperation set up, with ABR device, contact oxidation device and two heavy second sludge concentration device that the device cooperation set up.
As a further improvement of the present invention, the first PH adjusting device and the second PH adjusting device further have a first stirring device and a second stirring device, respectively.
As a further improvement of the utility model, the cutting fluid wastewater treatment system further comprises an fifth medicine device which is matched with the air flotation device to add a coagulant and/or a coagulant aid.
As a further improvement of the present invention, the ABR device has a plurality of compartments, and a baffle plate located between two adjacent compartments.
As a further improvement of the present invention, the number of compartments of the ABR device ranges from 4 to 8.
As a further improvement of the utility model, the contact oxidation device is provided with a plurality of compartments, a bracket respectively arranged in each compartment and a filler fixed on the bracket.
As a further improvement of the present invention, the number of compartments of the contact oxidation device ranges from 3 to 6.
As a further improvement of the utility model, the flocculation and precipitation device is a vertical flow type precipitation structure or an inclined plate precipitation structure.
As a further improvement of the utility model, the secondary sedimentation device is a vertical sedimentation structure or an inclined plate sedimentation structure.
The utility model has the advantages that: the utility model discloses a cutting fluid effluent disposal system is including consecutive first PH adjusting device, breakdown of emulsion reaction unit, flocculation and precipitation device, air supporting device, second PH adjusting device, ABR device, contact oxidation device, two heavy devices. The method not only combines three methods of physics, chemistry and biology, and can realize better wastewater treatment effect, but also adopts an anaerobic biological method and an aerobic biological method, so that more impurities can be removed by using the anaerobic microorganisms and the aerobic microorganisms, and the wastewater treatment effect is improved. And no other additives are added in the ABR device, the contact oxidation device and the secondary sedimentation device, and the ABR device and the contact oxidation device can degrade organic matters, so that the wastewater treatment quality is further improved.
Drawings
FIG. 1 is a schematic view of the cutting fluid wastewater treatment system of the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.
Referring to fig. 1, an embodiment of the cutting fluid wastewater treatment system of the present invention is shown, the cutting fluid wastewater treatment system includes a first PH adjusting device 1, a demulsification reaction device 2, a flocculation precipitation device 3, an air flotation device 4, a second PH adjusting device 5, an ABR device 6, a contact oxidation device 7, and a secondary precipitation device 8, the cutting fluid wastewater treatment system further comprises a first dosing device matched with the first PH adjusting device 1, a second dosing device matched with the demulsification reaction device 2, a third dosing device matched with the flocculation precipitation device 3, a fourth dosing device matched with the second PH adjusting device 5, a first sludge concentration device 9 matched with the flocculation precipitation device 3 and the air flotation device 4, and a second sludge concentration device 10 matched with the ABR device 6, the contact oxidation device 7 and the secondary precipitation device 8. (drug adding device not shown)
Specifically, in the present embodiment, the cutting fluid wastewater treatment system is mainly used for treating a metal working fluid containing a large amount of emulsified oil, metal chips, organic matter, etc., which has high COD, Total Organic Carbon (TOC), and oil concentration, and which is generally composed of oil, a surfactant, and various additives (i.e., a cutting fluid).
The first pH adjusting device 1 is mainly used for pretreating wastewater, generally adjusting the pH to be alkaline, then introducing the wastewater into the emulsion breaking reaction device 2 for oil-water separation and simultaneously generating a large amount of floccules. And (3) introducing the wastewater treated by the demulsification reaction device 2 into a flocculation precipitation device 3, so that upper and lower liquids of the wastewater are separated from solids. And then the wastewater is introduced into the air floatation device 4, so that oil substances and suspended matters in the wastewater are further removed, the safe operation of the subsequent process is ensured, and the biochemical load can be reduced.
In this embodiment, the air flotation device 4 is a cavitation air flotation machine which generates micro bubbles and rises back to the upper surface in a spiral manner, and a vertical upward buoyancy occurs due to an imbalance in pressure between the air-water mixture and the liquid, thereby bringing the suspended matter to the liquid surface. In the middle of the floating process, micro-bubbles can be attached to the suspended matters, the suspended matters are supported by the bubbles to be kept at the liquid level after reaching the liquid level, the suspended matters floating on the water level can be continuously eliminated by the slag scraping machine, the slag scraping machine moves along the whole liquid level, the suspended matters are pushed to the outlet end from the inlet end of the air floating device 4, and the suspended matters fall into the slag floating groove through the inclined metal plate in the process, so that oil and some small insoluble particles are removed.
Meanwhile, the sludge pump is utilized to transfer the sediments in the flocculation precipitation device 3 and the air flotation device 4 into the first sludge concentration device 9, so that the clarity of the wastewater is improved, and the content of insoluble substances in the liquid can be reduced.
At this point, the physical and chemical treatment processes are completed, and most of the easily degradable substances are treated.
In this embodiment, the first chemical adding device is used to add 30% of liquid alkali to the first pH adjusting device 1. The second dosing device is used for adding a demulsifier into the demulsification reaction device 2. The third dosing device is used for adding polyacrylamide to the flocculation precipitation device 3. The fourth medicine adding device is used for adding acid substances into the second pH adjusting device 5.
The cutting fluid wastewater treatment system also comprises an fifth medicine device which is matched with the air flotation device 4 to add a coagulant and/or a coagulant aid. The first PH adjusting device 1 and the second PH adjusting device 5 also have a first stirring device and a second stirring device, respectively. Thereby rapidly adjusting the pH value of the wastewater. Therefore, through the five dosing devices, automatic dosing can be realized, the cost is effectively reduced, and the wastewater treatment efficiency is improved.
The ABR device 6 is provided with a plurality of compartments, baffle plates positioned between two adjacent compartments and microorganism groups positioned in each compartment, and the baffle plates enable wastewater to flow in a W shape in the compartments, so that the wastewater flow path can be increased, the reaction time of the wastewater positioned in the ABR device 6 and the microorganism groups is prolonged, and the wastewater treatment capacity is improved.
The contact oxidation device 7 is provided with a plurality of compartments, brackets respectively arranged in each compartment, and fillers fixed on the brackets. The support includes that upper bracket and lower carriage are set up to the upper and lower interval. The filler is provided with a connecting rope extending along the vertical direction, and a plurality of float grass units are arranged on the connecting rope at intervals. The upper end and the lower end of the filler are respectively fixed on the upper support and the lower support, and the supports are provided with a plurality of fillers at intervals along the extending direction of the supports. Therefore, the bracket can be utilized to the maximum, enough filler is arranged, and the wastewater treatment capacity is enhanced.
Of course, the upper end of the packing is fixed on the bracket, and the lower end of the packing is provided with a counterweight. Thereby also preventing the phenomenon that the adjacent fillers are intertwined and knotted with each other.
In this embodiment, the number of compartments of the ABR apparatus 6 ranges from 4 to 8, and the number of compartments of the contact oxidation apparatus 7 ranges from 4 to 6. Thus, not only the number of microorganisms and fillers and the retention time of the wastewater in the ABR device 6 can be ensured, but also the cost can be ensured within a controllable range.
The secondary sedimentation device 8 can further remove insoluble substances in the wastewater to realize sludge-water separation. In this embodiment, the flocculation precipitation device 3 and the secondary precipitation device 8 adopt a vertical flow type precipitation structure or an inclined plate precipitation structure. Then, the wastewater after the upper layer treatment is transferred to a predetermined position, and the sludge in the ABR apparatus 6, the contact oxidation apparatus 7, and the secondary sedimentation apparatus 8 is transferred to the second sludge concentration apparatus 10.
To sum up, the utility model discloses a cutting fluid effluent disposal system is including consecutive first PH adjusting device 1, breakdown of emulsion reaction unit 2, flocculation and precipitation device 3, air supporting device 4, second PH adjusting device 5, ABR device 6, contact oxidation device 7, two heavy device 8. The method not only combines three methods of physics, chemistry and biology, and can realize better wastewater treatment effect, but also adopts an anaerobic biological method and an aerobic biological method, so that more impurities can be removed by using the anaerobic microorganisms and the aerobic microorganisms, and the wastewater treatment effect is improved. And no other additives are added in the ABR device 6, the contact oxidation device 7 and the secondary sedimentation device 8, and the ABR device 6 and the contact oxidation device 7 can degrade organic matters, so that the wastewater treatment quality is further improved.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a cutting fluid effluent disposal system which characterized in that: including consecutive first PH adjusting device, breakdown of emulsion reaction unit, flocculation and precipitation device, air supporting device, second PH adjusting device, ABR device, catalytic oxidation device, two heavy devices, cutting fluid effluent disposal system still include with first PH adjusting device matched with charge device, with breakdown of emulsion reaction unit matched with second charge device, with flocculation and precipitation device matched with third charge device, with second PH adjusting device matched with fourth charge device, with the first sludge concentration device that flocculation and precipitation device and air supporting device cooperation set up, with ABR device, catalytic oxidation device and two heavy device cooperation set up the second sludge concentration device.
2. The cutting fluid wastewater treatment system according to claim 1, wherein: the first PH adjusting device and the second PH adjusting device are respectively provided with a first stirring device and a second stirring device.
3. The cutting fluid wastewater treatment system according to claim 1, wherein: the cutting fluid wastewater treatment system also comprises an fifth medicine device which is matched with the air flotation device to add a coagulant and/or a coagulant aid.
4. The cutting fluid wastewater treatment system according to claim 1, wherein: the ABR device has a plurality of compartments, a baffle located between two adjacent compartments.
5. The cutting fluid wastewater treatment system according to claim 4, wherein: the ABR device has a number of compartments in the range of 4-8.
6. The cutting fluid wastewater treatment system according to claim 1, wherein: the contact oxidation device is provided with a plurality of compartments, brackets respectively arranged in each compartment, and fillers fixed on the brackets.
7. The cutting fluid wastewater treatment system according to claim 5, wherein: the number of compartments of the contact oxidation device ranges from 4 to 6.
8. The cutting fluid wastewater treatment system according to claim 1, wherein: the flocculation and precipitation device is of a vertical flow type precipitation structure or an inclined plate precipitation structure.
9. The cutting fluid wastewater treatment system according to claim 1, wherein: the secondary sedimentation device is of a vertical flow type sedimentation structure or an inclined plate sedimentation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022216814.2U CN213357265U (en) | 2020-09-30 | 2020-09-30 | Cutting fluid effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022216814.2U CN213357265U (en) | 2020-09-30 | 2020-09-30 | Cutting fluid effluent disposal system |
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| Publication Number | Publication Date |
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| CN213357265U true CN213357265U (en) | 2021-06-04 |
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| CN202022216814.2U Active CN213357265U (en) | 2020-09-30 | 2020-09-30 | Cutting fluid effluent disposal system |
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- 2020-09-30 CN CN202022216814.2U patent/CN213357265U/en active Active
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