CN207404957U - A kind of oil-water separation system - Google Patents

A kind of oil-water separation system Download PDF

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Publication number
CN207404957U
CN207404957U CN201721162963.7U CN201721162963U CN207404957U CN 207404957 U CN207404957 U CN 207404957U CN 201721162963 U CN201721162963 U CN 201721162963U CN 207404957 U CN207404957 U CN 207404957U
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CN
China
Prior art keywords
water
oil
baffle
water tank
separation
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Expired - Fee Related
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CN201721162963.7U
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Chinese (zh)
Inventor
宫慧
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宫慧
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Priority to CN201721162963.7U priority Critical patent/CN207404957U/en
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Publication of CN207404957U publication Critical patent/CN207404957U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of oil-water separation system, including waste water supercharging pump, silt particle cyclone, quick poly- separator, intermediate water tank are connect, it is characterised in that:The intermediate water tank is equipped with 2 water outlets, respectively upper water-out mouth and lower outlet, baffle is equipped in the intermediate water tank, gap is equipped between the baffle and the bottom surface of intermediate water tank, the water inlet of upper water-out mouth and intermediate water tank is located at the same side of baffle, the lower outlet is located at the opposite side of baffle, and the first branch is connected successively with resin absorbing column, micro-filtration membrane separation device;The second branch is gathered successively with precision connects device and oil and water filters are connected, and intermediate water tank sets baffle, efficiently separates the different grease of emulsification degree, improves water-oil separating efficiency and reduces cost.

Description

A kind of oil-water separation system
Technical field
The utility model is related to field of sewage treatment equipment, in particular to a kind of oil-water separation system.
Background technology
Oily waste water mainly includes the waste water of oil field waste, oil plant and petrochemical plant, water ballast, the washing of tanks of oil tanker Water, engine room water, the ejected wash water of oil truck etc..To prevent oily waste water from polluting and endangering, China's regulation surface water petrochina (including kerosene, gasoline) maximum permissible concentration is 0.3 mg/litre.The qualified discharge standard of treated waste water is oil-containing in water < 15ppm.
According to the difference to disposing polluted water in oil degree and water quality requirement, usually sewage disposal technology is divided at level-one Reason, two stage treatment and tertiary treatment.In general coagulation belongs to pretreatment, and it is degradable that two stage treatment can remove 90% or so Organic matter and 90%~95% solid suspension.However it is difficult to the high carbon compound of degradation of organic substances for heavy metal poison and biology Object and occur nitrogen during biochemical treatment, phosphorus is difficult to remove completely, it is still necessary to carry out tertiary treatment.Existing water-oil separating dress It is larger to put volume first, takes up a large area, it is not easy to it is mobile, it installs and uses relatively difficult;Secondly existing oily-water seperating equipment New national standard is not achieved in production water oil content, and it is inconvenient to safeguard.
Utility model content
Problem present in for the above-mentioned prior art, the utility model provide it is a kind of be simple and efficient, low cost grease Piece-rate system.
To achieve the above object, the utility model provides following technical solution:
A kind of oil-water separation system, including the waste water supercharging pump being connected with external grease pond, the waste water supercharging pump and mud The lower end connection of sand cyclone, the upper end of silt particle cyclone are connected by pipeline with the quick poly- input terminal for connecing separator;Institute It states the quick poly- output terminal for connecing separator to connect by the water inlet of pipeline and intermediate water tank, the intermediate water tank goes out equipped with 2 The mouth of a river is respectively upper water-out mouth and lower outlet, and the oil-water separation system is additionally provided with 2 middle water pumps, upper water-out mouth and its In the connection of middle water pump, be the first branch, lower outlet is connected with another middle water pump, for the second branch, in described Between baffle is equipped in water tank, the gap of 1-2cm, upper water-out mouth and intermediate water are equipped between the baffle and the bottom surface of intermediate water tank The water inlet of case is located at the same side of baffle, and the lower outlet is located at the opposite side of baffle, the upper water-out mouth and baffle Upper end is concordant, and the lower outlet is located on the bottom surface of intermediate water tank, the first branch successively with resin absorbing column, microfiltration membranes Separator is connected;The second branch is gathered successively with precision connects device and oil and water filters are connected.
Preferably, baffle is obliquely installed.
Preferably, the angle of inclination of baffle is 15-40 °
Preferably, the top surface of the upper end of baffle and intermediate water tank is tightly connected.
Preferably, the water inlet of intermediate water tank is located at the middle position of intermediate water tank short transverse.
The beneficial effects of the utility model are as follows:Intermediate water tank sets baffle, efficiently separates the different grease of emulsification degree, The low or not emulsified oil of emulsification degree swims in water tank upper, the high oil level of emulsification degree is in water tank bottom since density is smaller Portion, two kinds of oil are discharged by different water outlets, and carrying out targetedly later separation into different branches is handled.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the intermediate waterbox structure schematic diagram of the utility model.
In figure:1-waste water supercharging pumps;2-silt particle cyclone;3-quick poly- connect separator;4-intermediate water tank;41-enter The mouth of a river;42-upper water-out mouth;43-lower outlet;44-baffle;6-resin absorbing column;7-micro-filtration membrane separation device;8-essence Degree is poly- to connect device;9-oil and water filters;10-automatically controlled instrument mechanism;11-stent.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the technical solution of the utility model, with reference to the utility model Attached drawing carries out the technical solution of the utility model clear, complete description, and based on the embodiment in the application, this field is general Other similar embodiments that logical technical staff is obtained on the premise of creative work is not made, should all belong to the application The scope of protection.
Embodiment one:
A kind of oil-water separation system, including the waste water supercharging pump 1 being connected with external grease pond, waste water supercharging pump 1 and silt particle The lower end connection of cyclone 2, the upper end of silt particle cyclone 2 are connected by pipeline with the quick poly- input terminal for connecing separator 3;Soon The poly- output terminal for connecing separator 3 of speed is connected by pipeline with the water inlet 41 of intermediate water tank 4, and intermediate water tank 4 is equipped with 2 water outlets Mouthful, it is respectively upper water-out mouth 42 and lower outlet 43, oil-water separation system is additionally provided with 2 middle water pump (not shown)s, on Water outlet 42 is connected with one of middle water pump, is the first branch, and lower outlet 43 is connected with another middle water pump, is the Two branches, the interior gap for being equipped with baffle 44,1-2cm being equipped between baffle 44 and the bottom surface of intermediate water tank 4 of intermediate water tank 4, preferably For 1.5cm, the water inlet 41 of upper water-out mouth 42 and intermediate water tank 4 is located at the same side of baffle 44, and lower outlet 43 is located at baffle 44 opposite side, baffle 44 are obliquely installed, and the inclination angle alpha of baffle 44 is 15-40 °, upper end and the intermediate water tank 4 of baffle 44 Top surface is tightly connected.The water inlet 41 of intermediate water tank 4 is located at the height side of the middle position, i.e. intermediate water tank 4 of intermediate water tank 4 To midpoint, upper water-out mouth 41 is concordant with the upper end of baffle 44, and lower outlet 43 is located on the bottom surface of intermediate water tank 4, first Road is connected successively with resin absorbing column 6, micro-filtration membrane separation device 7;The second branch is gathered successively with precision connects device 8 and grease Filter 9 is connected.Waste water supercharging pump 1, silt particle cyclone 2 quick poly- connect separator 3, intermediate water tank 4, middle water pump, resin Adsorption column 6, micro-filtration membrane separation device 7, precision, which are gathered, connects device 8 and oil and water filters 9 are respectively positioned in stent 11, mounted on stent 11 On lower frame body.
The utility model is for the processing procedure of oily waste water:It is taken out first by waste water supercharging pump 1 from external grease pond Waste suction water enters silt particle cyclone 2, and the silt particle in water is excluded from bottom, and due to centrifugal action, the fine oil droplets density in water is small Yu Shui, according to Stokes formula, oil droplet collects rapidly to centre, it is poly- connect, then poly- connect from top into quick together with water Separator 3.The quick poly- inner wall for connecing separator 3 is made of coarse material;Coarse material is specifically by oleophilic substance material It is formed with reprimand oil substances Material cladding.After oily wastewater enters coarse material by silt particle cyclone 2, in typical case, 10 Micron or smaller droplet diameter rise to 1000 microns of even biggers, this allows the oil droplet among water to stablize floating, Up to 50mm/s even faster, rapidly demulsification just occurs ascent rate in coarse medium level for grease drop and aggregation is made With oil droplet becomes larger rapidly, and comes off from coarse dielectric surface, realizes water-oil separating, this part is gone in oil water removal emphatically The oil emulsion part of suspended oil and larger particles, the part cause in waste water more than 95% oil floats to separate, the utility model The oil content of the production water of this part is in 20-50ppm.This part of production water enters intermediate water tank 4, the oil in this when water The dispersed oil that grain size is 1-20 microns is dripped, in intermediate water tank 4, non-emulsified oil and most of oil emulsion in dispersed oil float on The top of intermediate water tank 4, and pass through upper water-out mouth 42 and discharge, a small amount of oil emulsion is sunken to the bottom of intermediate water tank 4, and by baffle The gap of lower section flows to lower outlet 43.
The production water discharged by upper water-out mouth 42 enters the first branch, by resin absorbing column 6 and micro-filtration membrane separation device 7, It thoroughly allows and discharging standards is reached by the production water of the first branch.By the water emulsifying oil content that lower outlet 43 is discharged compared with Few, production water enters the second branch, can be gathered by precision and connect device 8 and oil and water filters 9 to complete fine oil removing so that production water reaches Discharging standards.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (5)

1. a kind of oil-water separation system, including the waste water supercharging pump being connected with external grease pond, the waste water supercharging pump and silt particle The lower end connection of cyclone, the upper end of silt particle cyclone are connected by pipeline with the quick poly- input terminal for connecing separator;It is described The quick poly- output terminal for connecing separator is connected by the water inlet of pipeline and intermediate water tank, it is characterised in that:The intermediate water tank It is respectively upper water-out mouth and lower outlet equipped with 2 water outlets, the oil-water separation system is additionally provided with 2 middle water pumps, above goes out The mouth of a river is connected with one of middle water pump, is the first branch, and lower outlet is connected with another middle water pump, is second Road, the interior gap for being equipped with baffle, 1-2cm being equipped between the baffle and the bottom surface of intermediate water tank of the intermediate water tank, upper water-out The water inlet of mouth and intermediate water tank is located at the same side of baffle, and the lower outlet is located at the opposite side of baffle, the upper water-out Mouth is concordant with the upper end of baffle, and the lower outlet is located on the bottom surface of intermediate water tank, and the first branch is inhaled successively with resin Attached column, micro-filtration membrane separation device are connected;The second branch is gathered successively with precision connects device and oil and water filters are connected.
2. oil-water separation system according to claim 1, which is characterized in that the baffle is obliquely installed.
3. oil-water separation system according to claim 2, which is characterized in that the angle of inclination of the baffle is 15-40 °.
4. oil-water separation system according to claim 1, which is characterized in that the upper end of the baffle and the top of intermediate water tank Face is tightly connected.
5. oil-water separation system according to claim 1, which is characterized in that the water inlet of the intermediate water tank is located at centre The middle position in tank height direction.
CN201721162963.7U 2017-09-06 2017-09-06 A kind of oil-water separation system Expired - Fee Related CN207404957U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721162963.7U CN207404957U (en) 2017-09-06 2017-09-06 A kind of oil-water separation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721162963.7U CN207404957U (en) 2017-09-06 2017-09-06 A kind of oil-water separation system

Publications (1)

Publication Number Publication Date
CN207404957U true CN207404957U (en) 2018-05-25

Family

ID=62405452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721162963.7U Expired - Fee Related CN207404957U (en) 2017-09-06 2017-09-06 A kind of oil-water separation system

Country Status (1)

Country Link
CN (1) CN207404957U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180525

Termination date: 20200906

CF01 Termination of patent right due to non-payment of annual fee