CN209759078U - A treatment facility for oiliness emulsion waste water - Google Patents
A treatment facility for oiliness emulsion waste water Download PDFInfo
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- CN209759078U CN209759078U CN201821496058.XU CN201821496058U CN209759078U CN 209759078 U CN209759078 U CN 209759078U CN 201821496058 U CN201821496058 U CN 201821496058U CN 209759078 U CN209759078 U CN 209759078U
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Abstract
The utility model discloses a treatment facility for oiliness emulsion waste water, including prefilter, ultrafiltration circulating bath, ultrafiltration washing tank, ultrafiltration circulating pump, inorganic milipore filter subassembly, receive and strain the circulating bath, receive and strain the washing tank, receive and strain circulating pump, inorganic milipore filter subassembly. The volume of the oily concentrated water generated by the treatment of the utility model is reduced by 90-95 percent compared with that before the treatment, the oily concentrated water has high heat value and can be directly burned or used for recovering waste oil, and the treatment method is simple and reliable.
Description
Technical Field
The utility model relates to a treatment facility for oiliness emulsion waste water is applicable to the environmental protection of the oiliness emulsion waste water that trades such as machining, car, steel produced and handles.
Background
The prior common oil-containing emulsion wastewater treatment process comprises the following steps: adding a demulsifier into the oil-containing emulsion wastewater, separating oil and water in the emulsified oil-water mixed liquid by using the chemical action of the demulsifier to form an oil phase and a water phase, and removing the oil from the wastewater by using a chemical agent and the air flotation action. The waste water after oil removal is treated by a biochemical method, the COD value is reduced, and the produced water reaches the environmental-friendly discharge index. However, this treatment process has many drawbacks, such as:
1. The process flow is long, the required equipment is more, and the occupied area is large.
2. Depending on manual operation, automation cannot be realized.
3. the biochemical method has long treatment period, usually needs 7 to 30 days, and has low efficiency.
4. The chemical agent is required to be used for a plurality of times, a large amount of solid waste is generated, and the solid waste is difficult to treat.
5. Low adaptability to the fluctuation of the water quality of the waste water, poor impact resistance and unstable water quality of produced water
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly be in order to solve above-mentioned technical problem, adopt inorganic milipore filter, inorganic receive filter membrane two-stage membrane separation technology as the core, provide a treatment facility for oiliness emulsion waste water.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A treatment device for oil-containing emulsion wastewater comprises a pre-filter, an ultrafiltration circulation tank, an ultrafiltration cleaning tank, an ultrafiltration circulation pump, an inorganic ultrafiltration membrane component, a nanofiltration circulation tank, a nanofiltration cleaning tank, a nanofiltration circulation pump and an inorganic nanofiltration membrane component. The prefilter sets up ultrafiltration circulation tank front end, the exit linkage of prefilter the entry of ultrafiltration circulation tank, the side of ultrafiltration circulation tank is equipped with the ultrafiltration washing tank, the export of ultrafiltration circulation tank pass through the ultrafiltration circulating pump connect in inorganic ultrafiltration membrane module's entry, the clear solution exit linkage of inorganic ultrafiltration membrane module in the entry of nanofiltration circulation tank, the other nanofiltration washing tank that is equipped with in side of nanofiltration circulation tank, the export of nanofiltration circulation tank passes through the nanofiltration circulating pump is connected in the entry of inorganic nanofiltration membrane module, inorganic nanofiltration membrane module clear solution export is for producing the water discharge port.
Furthermore, an ultrafiltration circulating tank heater is arranged in the ultrafiltration circulating tank.
Further, an ultrafiltration cleaning tank heater is arranged in the ultrafiltration cleaning tank.
Further, a nanofiltration circulation tank heater is arranged in the nanofiltration circulation tank.
Further, a nanofiltration cleaning tank heater is arranged in the nanofiltration cleaning tank.
furthermore, the ultrafiltration membrane used in the inorganic ultrafiltration membrane component is made of inorganic materials, such as silicates, metal oxides, silicon carbide, graphene or metals, the separation precision of the ultrafiltration membrane is 10nm-500nm, the corresponding cutting molecular weight is 20000-1000000 daltons, the ultrafiltration membrane is tubular or plate-type, and the operating pressure of the ultrafiltration membrane is 0.01-1.0 MPa.
Furthermore, the nanofiltration membrane used in the inorganic nanofiltration membrane component is made of inorganic materials, the materials are silicates, metal oxides, silicon carbide, graphene or metals, the separation precision of the nanofiltration membrane is 0.5-10nm, the corresponding cutting molecular weight is 200-20000 daltons, the nanofiltration membrane is tubular or plate-type, and the operating pressure of the nanofiltration membrane is 0.1-1.5 MPa.
The utility model discloses following beneficial effect has:
1. the process is simple, and the COD value of the produced water can reach the environmental-friendly discharge standard by two-stage membrane separation.
2. The operation is simple, the full-automatic control can be realized, and the labor cost is saved.
3. The floor area is small, the integrated design is integrated, and the site only needs 15-20% of the biochemical treatment.
4. The produced water has stable quality, strong impact resistance and strong bearing capacity of the raw water quality of the wastewater.
5. short processing time, high efficiency and flexible adjustment of processing capacity.
6. The volume of the oil-containing concentrated water generated by the treatment is reduced by 90-95% compared with that before the treatment, the oil-containing concentrated water has high heat value and can be directly burnt or used for recycling waste oil, and the treatment method is simple and reliable.
7. Pure physical filtration and separation, no chemical agent and no solid waste sludge.
8. The membrane material is inorganic material, can repeatedly wash and regenerate, and the service life can reach 8-10 years at most.
Drawings
FIG. 1 is a schematic diagram of the process of the treatment equipment for oil-containing emulsion wastewater of the present invention.
FIG. 2 is a schematic structural diagram of a treatment facility for oil-containing emulsion wastewater.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, a treatment apparatus for oil-containing emulsion wastewater adopts an oil-containing emulsion wastewater treatment process that:
Oil-containing emulsion wastewater → pre-filtration → inorganic ultrafiltration membrane filtration → inorganic nanofiltration membrane filtration → water production.
In order to realize the process, the oil-containing emulsion wastewater treatment equipment comprises a pretreatment unit, an inorganic ultrafiltration membrane treatment unit and an inorganic nanofiltration membrane treatment unit.
For the pretreatment unit, the main function is to pre-filter the oil-containing emulsion wastewater and remove part of insoluble impurities such as solid particles and suspension oil, thereby improving the treatment efficiency and protecting the inorganic ultrafiltration membrane.
For the inorganic ultrafiltration membrane treatment unit, the main function is to utilize the fine pore diameter of 10-500nm of the ultrafiltration membrane to intercept emulsified oil and allow water molecules and soluble organic matters to permeate to form ultrafiltration water production, so that the effect of removing oil in wastewater is achieved, and the oil removal rate is more than 99%.
For the inorganic nanofiltration membrane treatment unit, the main function is to utilize the micro-aperture of the nanofiltration membrane of 0.5-10nm to intercept the macromolecular organic matters in the ultrafiltration produced water and let the water molecules and the micromolecular organic matters penetrate, thereby playing the role of removing COD.
After the combined process of the two-stage membrane filtration, oil and macromolecular organic matters in the oil-containing emulsion wastewater are removed, the oil and COD values in the produced water are reduced to be within the environmental-friendly discharge standard, the volume of the treated oil-containing concentrated water is reduced by 90-95% compared with that before treatment, the oil-containing concentrated water has high heat value, and can be directly incinerated or used for recovering the waste oil, and the treatment method is simple and reliable.
The utility model relates to a mutual relation explanation that is used for each subassembly or device of treatment facility of oiliness emulsion waste water: the outlet of the pre-filtering machine 1 connected with the wastewater inlet is connected with the inlet of an ultrafiltration circulating tank 3, the outlet of the ultrafiltration circulating tank 3 is connected with the inlet of an inorganic ultrafiltration membrane component 7 through an ultrafiltration circulating pump 6, the clear liquid outlet of the inorganic ultrafiltration membrane component 7 is connected with the inlet of a nanofiltration circulating tank 9, the outlet of the nanofiltration circulating tank 9 is connected with the inlet of an inorganic nanofiltration membrane component 13 through a nanofiltration circulating pump 12, and the clear liquid outlet of the inorganic nanofiltration membrane component 13 is a water discharge outlet.
The ultrafiltration membrane used in the inorganic ultrafiltration membrane component 7 is made of inorganic materials, such as silicates, metal oxides, silicon carbide, graphene or metals, the separation precision of the ultrafiltration membrane is 10nm-500nm, the corresponding cutting molecular weight is 20000-1000000 daltons, the ultrafiltration membrane is tubular or plate-type, and the operating pressure of the ultrafiltration membrane is 0.01-1.0 MPa.
The nanofiltration membrane used in the inorganic nanofiltration membrane component 13 is made of inorganic materials, such as silicates, metal oxides, silicon carbide, graphene or metals, the separation precision of the nanofiltration membrane is 0.5-10nm, the corresponding cutting molecular weight is 200-20000 daltons, the nanofiltration membrane is tubular or plate-type, and the operating pressure of the nanofiltration membrane is 0.1-1.5 MPa.
The ultrafiltration circulating tank 3 is connected with a waste liquid discharge port through a control valve and discharges oil-containing concentrated liquid out of the equipment.
The nanofiltration circulating tank 9 is connected with a waste liquid discharge port through a control valve, and concentrated waste liquid is discharged out of equipment or into the ultrafiltration circulating tank 3 for continuous secondary treatment.
For accomplishing the washing regeneration operation to inorganic milipore filter and inorganic receiving filter membrane, ultrafiltration circulating bath 3's side is equipped with ultrafiltration washing tank 5, receive and strain the other washing tank 11 that is equipped with in side of straining circulating bath 9 to in order to guarantee the cleaning performance, be provided with ultrafiltration circulating bath heater 2 in the ultrafiltration circulating bath 3, be provided with ultrafiltration washing tank heater 4 in the ultrafiltration washing tank 5, it is provided with in the circulation tank 9 and strains circulating bath heater 8 to receive, it is provided with in the washing tank 11 and strains washing bath heater 10 to receive.
specifically, during cleaning regeneration operation, the cleaning agents in the ultrafiltration cleaning tank 5 and the nanofiltration cleaning tank 11 enter the inorganic ultrafiltration membrane component 7 and the inorganic nanofiltration membrane component 13 through the ultrafiltration circulating pump 6 and the nanofiltration circulating pump 12 respectively through the control valve, so as to clean and regenerate the inorganic ultrafiltration membrane and the inorganic nanofiltration membrane. The inorganic ultrafiltration membrane and the inorganic nanofiltration membrane can be cleaned simultaneously or respectively.
The following brief introduction the utility model relates to a wastewater treatment process for a treatment facility of oiliness emulsion waste water:
The wastewater is pre-filtered by a pre-filter 1, enters an ultrafiltration circulating tank 3, is heated by an ultrafiltration circulating tank heater 2 in the ultrafiltration circulating tank 3, and then enters an inorganic ultrafiltration membrane component 7 under the action of an ultrafiltration circulating pump 6. And the wastewater is subjected to oil-water separation in the inorganic ultrafiltration membrane component 7, the retention liquid of the inorganic ultrafiltration membrane flows back to the ultrafiltration circulating tank 3, and the permeate enters the nanofiltration circulating tank 9. The wastewater is subjected to heat compensation in a nanofiltration circulating tank 9 by a nanofiltration circulating tank heater 8, and then enters an inorganic nanofiltration membrane component 13 under the action of a nanofiltration circulating pump 12. And (3) separating organic matters in the wastewater in the inorganic nanofiltration membrane component 13, returning the trapped liquid of the inorganic nanofiltration membrane to the nanofiltration circulating tank 3, and discharging the permeated liquid, namely the qualified produced water, out of the equipment.
The utility model discloses a control system adopts prior art can realize, does not give unnecessary details here.
Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.
Claims (10)
1. A treatment facility for oiliness emulsion waste water which characterized in that: comprises a prefilter (1), an ultrafiltration circulating tank (3), an ultrafiltration cleaning tank (5), an ultrafiltration circulating pump (6), an inorganic ultrafiltration membrane component (7), a nanofiltration circulating tank (9), a nanofiltration cleaning tank (11), a nanofiltration circulating pump (12) and an inorganic nanofiltration membrane component (13); pre-filter (1) sets up ultrafiltration circulating bath (3) front end, the exit linkage of pre-filter (1) the entry of ultrafiltration circulating bath (3), the side of ultrafiltration circulating bath (3) is equipped with ultrafiltration washing tank (5), the export of ultrafiltration circulating bath (3) pass through ultrafiltration circulating pump (6) connect in the entry of inorganic ultrafiltration membrane subassembly (7), the clear solution exit linkage of inorganic ultrafiltration membrane subassembly (7) in the entry of nanofiltration circulating bath (9), the other nanofiltration washing tank (11) that is equipped with of side of nanofiltration circulating bath (9), the export of nanofiltration circulating bath (9) is passed through nanofiltration circulating pump (12) connect in the entry of inorganic nanofiltration membrane subassembly (13), inorganic nanofiltration membrane subassembly (13) clear solution export is for producing the water discharge port.
2. The apparatus for treatment of oil-containing emulsion wastewater according to claim 1, characterized in that: an ultrafiltration circulating tank heater (2) is arranged in the ultrafiltration circulating tank (3).
3. The apparatus for treatment of oil-containing emulsion wastewater according to claim 1, characterized in that: and an ultrafiltration cleaning tank heater (4) is arranged in the ultrafiltration cleaning tank (5).
4. The apparatus for treatment of oil-containing emulsion wastewater according to claim 1, characterized in that: a nanofiltration circulating groove heater (8) is arranged in the nanofiltration circulating groove (9).
5. The apparatus for treatment of oil-containing emulsion wastewater according to claim 1, characterized in that: a nanofiltration cleaning tank heater (10) is arranged in the nanofiltration cleaning tank (11).
6. The apparatus for treatment of oil-containing emulsion wastewater according to claim 1, characterized in that: the ultrafiltration membrane used in the inorganic ultrafiltration membrane component (7) is made of inorganic materials, silicate, metal oxide, silicon carbide, graphene or metal, the separation precision of the ultrafiltration membrane is 10nm-500nm, the corresponding cutting molecular weight is 20000-1000000 daltons, and the ultrafiltration membrane is tubular or plate-type.
7. The apparatus for treatment of oil-containing emulsion wastewater according to claim 6, characterized in that: the operating pressure of the ultrafiltration membrane is 0.01-1.0 MPa.
8. The apparatus for treatment of oil-containing emulsion wastewater according to claim 1, characterized in that: the nanofiltration membrane used in the inorganic nanofiltration membrane component (13) is made of inorganic materials, the materials are silicates, metal oxides, silicon carbide, graphene or metal, the separation precision of the nanofiltration membrane is 0.5-10nm, and the corresponding cutting molecular weight is 200-20000 daltons.
9. The apparatus for treatment of oil-containing emulsion wastewater according to claim 8, characterized in that: the nanofiltration membrane is tubular or plate-type.
10. The apparatus for treatment of oil-containing emulsion wastewater according to claim 8, characterized in that: the operating pressure of the nanofiltration membrane is 0.1-1.5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821496058.XU CN209759078U (en) | 2018-09-13 | 2018-09-13 | A treatment facility for oiliness emulsion waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821496058.XU CN209759078U (en) | 2018-09-13 | 2018-09-13 | A treatment facility for oiliness emulsion waste water |
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| Publication Number | Publication Date |
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| CN209759078U true CN209759078U (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052571A (en) * | 2018-09-13 | 2018-12-21 | 上海科琅膜科技有限公司 | A kind of processing equipment for emulsifying wastewater |
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2018
- 2018-09-13 CN CN201821496058.XU patent/CN209759078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052571A (en) * | 2018-09-13 | 2018-12-21 | 上海科琅膜科技有限公司 | A kind of processing equipment for emulsifying wastewater |
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