CN106430791A - Oily water vacuum separating device - Google Patents

Oily water vacuum separating device Download PDF

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Publication number
CN106430791A
CN106430791A CN201611036046.4A CN201611036046A CN106430791A CN 106430791 A CN106430791 A CN 106430791A CN 201611036046 A CN201611036046 A CN 201611036046A CN 106430791 A CN106430791 A CN 106430791A
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CN
China
Prior art keywords
sump oil
water
oil
oil water
filtration core
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Granted
Application number
CN201611036046.4A
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Chinese (zh)
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CN106430791B (en
Inventor
陈鸽
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SHANGHAI HONES ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.
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陈鸽
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Priority to CN201611036046.4A priority Critical patent/CN106430791B/en
Publication of CN106430791A publication Critical patent/CN106430791A/en
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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
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • 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
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/06—Pressure conditions
    • C02F2301/063—Underpressure, vacuum
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations

Abstract

The invention discloses an oily water vacuum separating device which comprises an oil-water preseparator, an oil-water separator, a vacuum evaporator, a vacuum pump and a guiding device. A water draining port of the oil-water preseparator is communicated with an input port of the oil-water separator, an oil discharging port of the oil-water preseparator and an oil draining port of the oil-water separator are communicated with an input port of the vacuum evaporator, and an air exhausting port of the oil-water preseparator, an air exhausting port of the oil-water separator and an air exhausting port of the vacuum pump are communicated with the vacuum pump. A cylindrical filter element is built in the oil-water separator, and the guiding device comprises a guiding portion arranged in the same angle direction and is assembled inside the top of the filter element. The oily water vacuum separating device performs oil-water separation under vacuum conditions, the guiding device conducts flow guiding on oily water flowing towards the filter element and meanwhile conducts oil-water preseparation on oily water again, oily water drops gathered on the filter element are removed in time, the filtering load of the filter element is reduced, and improvement of the separation effect and the separation efficiency of the separating device is promoted.

Description

A kind of sump oil water vacuum separation equipment
Technical field
The present invention relates to a kind of sump oil water separation equipment, more particularly, to a kind of pending sump oil water flow direction guided And carry out the sump oil water vacuum separation equipment of water-oil separating under vacuum, belong to sewage treatment area.
Background technology
With social fast development, being greatly improved of people's quality of life, people produce in daily life activity Substantial amounts of oil-polluted water, the sanitary sewage such as producing in life activity, the substantial amounts of food and drink that especially catering trade produces is dirty Water；The vessel sewage producing as the ship that people's trip is played taken, all containing substantial amounts of sump oil in these sewage.Containing greasy dirt The direct discharge of water necessarily causes the pollution to river course or sea, and impact river course is biological or halobiontic normal growth.Country and International Maritime Organization proposes higher standard and requires it is desirable to the oil content being discharged in sewage is low to the discharge of oil-polluted water In 15ppm.Therefore, ship, catering trade have been equipped with sump oil water separation device, but it still exposes many asking in use Topic：On the one hand, sump oil water separation device carries out water-oil separating process to pending sump oil water at ambient pressure, and separating effect is not Good；On the other hand, the flow direction when flowing into filtration core for the pending sump oil water is disorderly, on the oil-collecting being unfavorable on filtration core is timely Floating；So, lead to oil-water separation not good, often need multiple circular treatment, treatment effeciency is low.
Content of the invention
The purpose of the present invention is for problems of the prior art, provides a kind of sump oil water vacuum separation equipment, should Separation equipment first carries out pre-separation process to pending sump oil water, then the flow direction of the sump oil water flowing to filtration core is led Draw, make sump oil water olderly flowage, promote the oil-collecting on filtration core to float in time, sump oil water is carried out with profit pre-separation again simultaneously Process, reduction flows into the oil content of the sump oil water of filtration core, reduce the filtration load of filtration core, improve oil-water separation and divide From efficiency；Finally separated sump oil out is carried out being evaporated in vacuo reducing the water content discharged in sump oil, improve the profit of sump oil With being worth.
The technical scheme is that a kind of sump oil water vacuum separation equipment of offer, its designing points is, including
Profit preseparator 100, for carrying out profit pre-separation process to pending sump oil water, is arranged for thereon The 1st bleeding point 105, the 1st discharge outlet 103 for sump oil water discharge and the 1st oil drain out discharged for sump oil vacuumizing 104；
Oil water separator 200, carries out water-oil separating process for the sump oil water after pre-separation is processed, and use is set thereon In the 2nd bleeding point 212 vacuumizing, the 2nd input port 204 for sump oil water inflow and the 2nd oil drain out for sump oil discharge 205；Described 1st discharge outlet 103 connects with the 2nd input port 204；Oil water separator 200 is built-in with filtration core 202, this filtration core 202 are mainly made up of the 1st filtration core 2021 for sump oil water is carried out with coarse filtration, and the 1st filtration core 2021 is cylindrical, directly Vertical arrangement；
Guiding device 214, for guiding to the flow direction of the sump oil water flowing to the 1st filtration core 2021, is assemblied in the 1st The inside of filtration core 2021, positioned at the top side of the 1st filtration core 2021；Guiding device 214 includes defeated for sump oil water inflow The diversion division 2143 entering portion 2142 and flowing out direction for guiding sump oil water, the delivery outlet of described diversion division 2143 is along consistent Angular direction is distributed；Described input unit 2142 connects with the 2nd input port 204；
Cold boiler 300, for reduce separated go out sump oil in water content, be arranged for thereon vacuumizing 3rd bleeding point 303 and the 3rd input port 302 flowing into for sump oil；Described 1st oil drain out 104, the 2nd oil drain out 205 are respectively Connect with the 3rd input port 302；
The input port of vavuum pump 400 and the 1st bleeding point 102, the 2nd bleeding point 212, the 3rd bleeding point 303 are respectively connected with leading to.
The present invention in the application, also preferred technical scheme further below.
As preferentially, described guiding device 214 also includes chamber 2141 of flowing slowly, and described unhurried current chamber 2141 is main by side wall The hollow cavity annular in shape constituting, direction arrangement along the horizontal plane；The delivery outlet of described input unit 2142, diversion division 2143 defeated Entrance connects with unhurried current chamber 2141 respectively；Described diversion division 2143 is distributed around the axis in unhurried current chamber 2141, diversion division 2143 The angular direction of delivery outlet distribution is consistent.
As preferentially, the delivery outlet of described input unit 2142, the input port of diversion division 2143 respectively with unhurried current chamber 2141 The tangent connection of side wall, the delivery outlet of described input unit 2142, diversion division 2143 delivery outlet distribution angular direction consistent；Make For preferentially, described diversion division 2143 is tilted to lower arrangement, angle 1-10 degree between the delivery outlet of diversion division 2143 and horizontal plane.
As preferentially, described guiding device 214 also includes being made up of the guide shell 2145 in bell mouth shape side wall；Described The external diameter of guide shell 2145 is less than the internal diameter of the 1st filtration core 2021, and the upper end of guide shell 2145 is more than bottom；Described water conservancy diversion Cylinder 2145 is assemblied between unhurried current chamber 2141 and the 1st filtration core 2021, and the upper end of guide shell 2145 is higher than the 1st filtration core 2021 upper end.
As preferentially, the bottom of described guide shell 2145 is set the in-flanges 2146 extending internally.
As preferentially, described guiding device 214 also includes in circular stabilier 2147, and stabilier 2147 is assembled In guide shell 2145 upper end, positioned at top, the excircle avris of described stabilier 2147 and the guide shell in unhurried current chamber 2141 Fit in 2145 inwall laminating, lower surface and unhurried current chamber 2141.
As preferentially, described guiding device 214 also includes the annular in shape diversion heating being adapted with unhurried current chamber 2141 Device 2144, for heating to the sump oil water being inputted, described diversion heating device 2144 is assemblied in the inside in unhurried current chamber 2141.
As preferentially, built-in the 1st separation chamber A, the 2nd separation chamber B and the 3rd being sequentially communicated of described oil water separator 200 Separator C, the 2nd separation chamber B and the 3rd separator C are located at the lower section of the 1st separation chamber A；Described filtration core 202 is also included for essence The 2nd filtration core 2022 filtering and the 3rd filtration core 2023 for adsorption filtration；Described 1st filtration core 2021, the 2nd filtration core 2022 and the 3rd filtration core 2023 is assemblied in the 1st separation chamber A, the 2nd separation chamber B and the 3rd separator C successively.
As preferentially, described profit preseparator 100 be built-in with successively the 1st baffle plate GB1 of alternate upright arrangement, the 2nd Baffle plate GB2 and the 3rd baffle plate GB3, the 3rd baffle plate GB3 are located at the one end side of the 1st discharge outlet 103；Described 1st baffle plate GB1 and profit The diapire of preseparator 100 and front-rear side walls laminating；Be provided between the diapire of the 2nd baffle plate GB2 and profit preseparator 100 for The gap of sump oil water circulation, the front-rear side walls laminating of the 2nd baffle plate GB2 and profit preseparator 100, the bottom of the 2nd baffle plate GB2 Upper end higher than the 1st baffle plate GB1；The diapire of the 3rd baffle plate GB3 and profit preseparator 100 and front-rear side walls laminating, the 3rd gear The upper end of plate GB3 is less than the upper end of the 2nd baffle plate GB2.
As preferentially, described cold boiler 300 includes airtight evaporimeter cavity 301, the 3rd heater the 305, the 3rd Temperature measuring equipment 306 and the 3rd vacuum meter 307, the top of evaporimeter cavity 301 is arranged for the 3rd bleeding point 303 vacuumizing, Described 3rd heater 305 is arranged on the inside of evaporimeter cavity 301, described 3rd vacuum meter 307 and the 3rd temperature measuring equipment 306 It is assemblied in the top of evaporimeter cavity 301.
The sump oil water vacuum separation equipment of the present invention, including profit preseparator 100, oil water separator 200, is evaporated in vacuo Device 300, vavuum pump 400 and guiding device 214.The 1st discharge outlet 103 on profit preseparator 100 and oil water separator 200 On the 2nd input port 204 connect, the 1st oil drain out 104 on profit preseparator 100, the 2nd oil extraction on oil water separator 200 Mouth 205 connects with the 3rd input port 302 on cold boiler 300 respectively；The 1st bleeding point 105 on profit preseparator 100, The 3rd bleeding point 303 on the 2nd bleeding point 212 on oil water separator 200, cold boiler 300 respectively with vavuum pump 400 Input port is connected.Described vavuum pump 400 is used for profit preseparator 100, oil water separator 200,300 points of cold boiler Do not vacuumize, make sump oil water carry out separating treatment under vacuum.Described guiding device 214 includes the input unit being sequentially communicated 2142 and unhurried current chamber 2141 annular in shape, the input port of input unit 2142 connects with the input port 204 of oil water separator 200；Slow Stream chamber 2141 is horizontally disposed, is assemblied in the inside of the 1st filtration core 2021, positioned at the top side of the 1st filtration core 2021.Described oil Water preseparator 100 carries out pre-separation process to pending sump oil water, removes the part sump oil in sump oil water, to reduce conveying Oil content to the sump oil water of oil water separator 200.The built-in guiding device of oil water separator 200 214 is to the sump oil being conveyed The flow direction of water is guided, and the sump oil water flowing out from the diversion division 2143 of guiding device 214 flows along counterclockwise or clockwise direction Go out, flow to the 1st filtration core 2021, flowing to of sump oil water is consistent.Flow to consistent sump oil water to drive on the 1st filtration core 2021 The sump oil assembled drips along flowing counterclockwise or clockwise, and sump oil drips and becomes larger sump oil to drip by Collision coagulation, promotes dirty Oil droplet float, help remove in time on filtration core assemble sump oil drip, can improve the 1st filtration core 2021 separating effect and point From efficiency.The inwall of the 1st filtration core 2021 stops to the sump oil water flowing out from guiding device 214, and sump oil water produces centripetal Acceleration, the flow direction of sump oil water changes, and sump oil water is along counterclockwise or flowing clockwise.Because the density of oil, water is different, Then between oil, water, generation centripetal force is poor, and sump oil water flow velocity is higher, and centripetal force difference is bigger.Described centripetal force difference promotes in sump oil water Sump oil drips and gathers formation sump oil area to the axis side of the 1st filtration core 2021, and sewage is to the inwall side flowing shape of the 1st filtration core 2021 Become contraminated zone；Realize sump oil water to be filtered is carried out with the process of pre-separation again of oil, water.Further, guiding device 214 Guide shell 2145 stops to the sump oil water being flowed out, and changes the flow direction of sump oil water, and sump oil water is along counterclockwise or clockwise Flow in direction, because the internal diameter of guide shell is less and inwall is more smooth compared with the inwall of the 1st filtration core 2021, sump oil water is in guide shell In 2145, energy loss during flowing is less, and sump oil water has higher flow velocity, then the effect of the pre-separation of sump oil water more preferably, flows Lower to the oil content of the sump oil water of the 1st filtration core 2021.Density due to sewage is more than the density of sump oil, in the effect of gravity Under, the sump oil in described sump oil area moves upwards, imports the oil collecting zone on top；The sump oil water in contraminated zone moves downward, from guide shell Bottom flow out, flow to the 1st filtration core 2021.The in-flanges of guide shell bottom compels to flow through the part sump oil water in this region Flow at its axis, the sump oil in the sump oil area that promotion guide shell gathers at its axis floats, and forms guide shell axis side The liquid in sump oil area floats, the flow field of the liquid sinks in the contraminated zone of perimeter sides, is advantageously implemented to flowing to the 1st filtration core 2021 Sump oil water carry out oil, water pre-separation again process, further reduce sump oil water oil content, improve the 1st filtration core 2021 Filter effect.So, the built-in guiding device of oil water separator 200 214 contributes to the sump oil assembled on the 1st filtration core 2021 Drip and float in time, and the sump oil water flowing to the 1st filtration core 2021 is carried out with the process of pre-separation again of oil, water, drop further The oil content of the sump oil water of low process to be filtered, reduces the filtration load of the 1st filtration core 2021, improves oil water separator 200 Separating effect and separative efficiency.Vavuum pump 400 vacuumizes to oil water separator 200, under vacuum conditions sump oil water is carried out oil, Water separating treatment, improves oil, the separating effect of water in sump oil water, reduces the content of sump oil in discharge water further.It is evaporated in vacuo Device 300 is evaporated in vacuo under vacuum to separated sump oil out, removes the moisture content in sump oil, reduces and discharges sump oil Water content, improve sump oil value.
Beneficial effect
Carry out water-oil separating process under vacuum, the separative efficiency of separation equipment is high, and the oil content discharging water is low, row The water content going out sump oil is low.By arranging profit preseparator, oil water separator, cold boiler and vavuum pump.In vacuum bar Carry out water-oil separating process, profit preseparator carries out pre-separation process to pending sump oil water, and reduction is transported under part The oil content of the sump oil water of oil water separator.The built-in guiding device guiding sump oil water edge of oil water separator is counterclockwise or clockwise Direction flows to filtration core, and the orderly sump oil water that flows drives the sump oil assembled on filtration core to drip co-flow, and sump oil drips through collision Be gathered into bigger sump oil to drip, promote sump oil drip floating, help remove in time on filtration core assemble sump oil drip.Sump oil water is along inverse Hour hands or clockwise direction flow, oil, the density difference of water, and between oil, water, generation centripetal force is poor, promotes the profit in sump oil water to divide From realization carries out pre-separation again and processes to sump oil water, reduces the oil content of the sump oil water flowing into filtration core further, reduced The filtration load of filter core, improves separating effect and the separative efficiency of sump oil water separation equipment, reduces separation equipment and discharges containing of water Oil mass；Cold boiler to separated go out sump oil carry out vacuum evaporation process, remove the moisture content in sump oil, reduce and discharge sump oil In water content, reduce the shared space of sump oil storage, and improve the value of sump oil.
Brief description
The theory diagram of Fig. 1 sump oil water vacuum separation equipment.
The structural representation of Fig. 2 profit preseparator.
The structural representation of Fig. 3 oil water separator.
The structural representation of Fig. 4 cold boiler.
A kind of front cross sectional view of guiding device of Fig. 5.
The top view of guiding device in Fig. 6 Fig. 5.
The front cross sectional view of Fig. 7 another kind guiding device.
The A-A direction sectional view of guiding device in Fig. 8 Fig. 7.
The front cross sectional view of another guiding device of Fig. 9.
In figure, 100- profit preseparator, 101- preseparator housing, 102- the 1st input port, 103- the 1st discharge outlet, 104- the 1st oil drain out, 105- the 1st bleeding point, 106- the 1st heater, 107- the 1st temperature measuring equipment, 108- the 1st liquid level sensor, 109- the 1st vacuum meter, 110- the 1st oil level detection meter, 200- oil water separator, 201- housing, 202- filtration core, 2021- the 1st mistake Filter core, 2022- the 2nd filtration core, 2023- the 3rd filtration core, 203- dividing plate, 204- the 2nd input port, 205- the 2nd oil drain out, 205a- 2a oil drain out, 205b- 2b oil drain out, 205c- 2c oil drain out, 206- the 2nd discharge outlet, 207- the 2nd oil level detection meter, 207a- 2a oil level detection meter, 207b- 2b oil level detection meter, 207c- 2c oil level detection meter, 208- the 2nd heater, 2081- 2a heater, 2082- 2b heater, 209- the 2nd temperature measuring equipment, 210- the 2nd vacuum meter, 211- water pump, 212- 2 bleeding points, 213- the 2nd liquid level sensor, 214- guiding device, 2141- unhurried current chamber, 2142- input unit, 2143- diversion division, 2144- diversion heating device, 2145- guide shell, 2146- in-flanges, 300- cold boiler, 301- evaporimeter cavity, 302- the 3rd Input port, 303- the 3rd bleeding point, 304- the 3rd oil drain out, 305- the 3rd heater, 306- the 3rd temperature measuring equipment, 307- the 3rd vacuum Meter, 308- the 3rd liquid level sensor, 400- vavuum pump, 500- oil mist filter.
Specific embodiment
In order to illustrate technical scheme and technical purpose, below in conjunction with the accompanying drawings and specific embodiment is to the present invention It is described further.
A kind of sump oil water vacuum separation equipment of the present invention, as shown in figure 1, described separation equipment includes profit preseparator 100th, oil water separator 200, cold boiler 300, vavuum pump 400, guiding device 214, fuel reserve tank, sump oil water collection tank and control Device processed.Described controller is used for separation equipment is automatically controlled.Described profit preseparator 100 is used for pending dirt Profit carries out profit pre-separation process.The 1st bleeding point 105 that is arranged on profit preseparator 100 vacuumizing, for dirt The 1st discharge outlet 103 and the 1st oil drain out 104 and for pending sump oil water inflow the 1st discharged for sump oil that profit is discharged Input port 102.The delivery outlet of sump oil water collection tank and the 1st input port 102 are connected.Oil water separator 200 is used for pre-separation Sump oil water after process carries out water-oil separating process.The 2nd bleeding point 212 that is arranged on oil water separator 200 vacuumizing, The 2nd input port 204 flowing into for sump oil water and the 2nd oil drain out 205 discharged for sump oil.Described 1st discharge outlet 103 and 2 input ports 204 connect.Cold boiler 300 be used for reduce separated go out sump oil in water content.On cold boiler 300 It is arranged for the 3rd bleeding point 303 and the 3rd input port 302 for sump oil inflow vacuumizing.Described 1st oil drain out 104th, the 2nd oil drain out 205 connects with the 3rd input port 302 respectively.The input port of vavuum pump 400 and the 1st bleeding point the 105, the 2nd are taken out Gas port 212, the 3rd bleeding point 303 are respectively connected with leading to.Described oil water separator 200 is built-in with filtration core 202, and this filtration core 202 is main To be made up of the 1st filtration core 2021 for sump oil water is carried out with coarse filtration, the 1st filtration core 2021 is cylindrical, upright cloth Put.Guiding device 214 is used for the flow direction of the sump oil water flowing to the 1st filtration core 2021 is guided, and is assemblied in the 1st filtration core 2021 inside, positioned at the top side of the 1st filtration core 2021.Guiding device 214 includes the input unit flowing into for sump oil water 2142 and the diversion division 2143 that flows out direction for guiding sump oil water, the delivery outlet of described diversion division 2143 is along (or suitable counterclockwise Hour hands) directional spreding, that is, along consistent angular direction distribution.Described input unit 2142 connects with the 2nd input port 204, sump oil water Flow to the 1st filtration core 2021 through guiding device 214.The flow direction to the sump oil water flowing in oil water separator 200 for the guiding device 214 Guided, so that sump oil water is flowed out along (or clockwise) direction counterclockwise from the diversion division 2143 of guiding device 214, flowed to the 1 filtration core 2021, flowing to of sump oil water is consistent.Flow to consistent sump oil water and drive the gathering on the 1st filtration core 2021 Sump oil drips along (or clockwise) direction flowing counterclockwise, and sump oil drips and becomes larger sump oil to drip by Collision coagulation, increases sump oil and drips Buoyancy, promote sump oil drip floating, help remove in time on the 1st filtration core 2021 assemble sump oil drip, improve the 1st filtration core 2021 separating effect and separative efficiency.Described vavuum pump 400 is used for profit preseparator 100, oil water separator 200, true Empty evaporimeter 300 vacuumizes respectively.Sump oil water pre-separation, water-oil separating operation are carried out respectively under vacuum conditions, are conducive to carrying High oily, water separative efficiency, and oil, the separating effect of water, reduce the oil content that water discharged by separation equipment, and reduce sump oil water separation Energy consumption, reduce sump oil water separating treatment cost.The vacuum that cold boiler 300 is carried out to the sump oil separated again is steamed Send out and process, remove the moisture content in sump oil, reduce the space that sump oil storage takies, the recycle value of sump oil can be improved.In order to Reduce the impact to vavuum pump 400 for the mist of oil, described profit preseparator 100, oil water separator 200, cold boiler 300 with 1st oil mist filter (in figure is not drawn into), the 2nd oil mist filter 500 and are set gradually on the pipeline that vavuum pump 400 is connected 3 oil mist filters (in figure is not drawn into).
Wherein, described profit preseparator 100, as shown in Fig. 2 include preseparator housing 101, the 1st heater 106, 1st temperature measuring equipment 107, the 1st liquid level sensor 108, the 1st vacuum meter 109, the 1st oil level detection meter 110 and polylith are flat Baffle plate.Described preseparator housing 101 is in rectangular-shaped closed shell, horizontal positioned.Set respectively on preseparator housing 101 Put the 1st input port 102, the 1st discharge outlet 103, the 1st oil drain out 104, the 1st bleeding point 105.Wherein, described 1st input port 102, 1st oil drain out 104 is located at the left side sidepiece of preseparator housing 101；1st discharge outlet 103, the 1st bleeding point 105 are located at pre-separation The right sidepiece of device housing 101.1st input port 102 of described profit preseparator 100 is received through the 1st magnetic valve D1 and sump oil water The delivery outlet of header is connected, and the 3rd input port 302 through the 2nd magnetic valve D2 and cold boiler 300 for the 1st oil drain out 104 is even Logical；The input port through the 1st oil mist filter, the 1st extraction valve DP2 and vavuum pump 400 for 1st bleeding point 105 is sequentially communicated.Described gear Plate includes the 1st baffle plate GB1, the 2nd baffle plate GB2 and the 3rd baffle plate GB3.1st baffle plate GB1, the 2nd baffle plate GB2 and the 3rd baffle plate GB3 are even straight Vertical arrangement, is assemblied in the inside of preseparator housing 101 successively, distributes alternately；1st baffle plate GB1 is located at preseparator housing 101 left sides side, the 3rd baffle plate GB3 is located at the right side of preseparator housing 101, and that is, the 3rd baffle plate GB3 is located at the 1st discharge outlet 103 One end side.The diapire of described 1st baffle plate GB1 and preseparator housing 101 and forward and backward side wall fit respectively, the 1st baffle plate The height of GB1 is the 1/6-1/5 of preseparator housing 101 body height.2nd baffle plate GB2 and the diapire of preseparator housing 101 Between be provided with for sump oil water circulation gap, the 2nd baffle plate GB2 and preseparator housing 101 front-rear side walls laminating, the 2nd gear It is provided with the interval for sump oil circulation, under the 2nd baffle plate GB2 between the roof of the upper end of plate GB2 and preseparator housing 101 End is higher than the upper end of the 1st baffle plate GB1.The diapire of the 3rd baffle plate GB3 and preseparator housing 101 and forward and backward side wall paste respectively Close, the upper end of the 3rd baffle plate GB3 is less than the upper end of the 2nd baffle plate GB2, for sump oil water circulation.Described 2nd baffle plate GB2, the 3rd The inner space of preseparator housing 101 is separated into three regions by baffle plate GB3, be followed successively by from left to right the first pre-separation area, Second pre-separation area and the 3rd pre-separation area.Described 1st heater 106 is assemblied in the inside in the first pre-separation area.Described 1st survey Warm device 107, the 1st liquid level sensor 108, the 1st vacuum meter 109, the 1st oil level detection meter 110 are assemblied in preseparator respectively On the roof of housing 101.The operation principle of profit preseparator 100：Treating at pre-separation measured by when the 1st temperature measuring equipment 107 When the temperature of the sump oil water of reason is less than design temperature, enables the 1st heater 106 and sump oil water is heated, the temperature of sump oil water Within the temperature range of reaching setting, promote the oil of sump oil water, water initial gross separation, reduce and discharge water, be i.e. separating treatment to be filtered Sump oil water, oil content, to improve effect and the efficiency of filtration separation.Divide in advance when the sump oil water in the first pre-separation area flows into second From area when, the 1st baffle plate GB1 is used for stopping that the sump oil water that flowed of impurity of the first pre-separation area bottom precipitation is brought into the 3rd pre- Disengagement zone, does not contain solid impurity in the sump oil water making the discharge of the 3rd pre-separation area, in order to avoid in impurity blocking oil water separator 200 Filtration core 205, thus affecting oil water separator 200 normal work, is conducive to extending the service life of filtration core.
Wherein, described oil water separator 200, as shown in figure 3, include housing 201, filtration core 202, dividing plate the 203, the 2nd oil Position detection meter 207, the 2nd heater 208, the 2nd temperature measuring equipment 209, the 2nd vacuum meter 210, water pump 211, the 2nd liquid level sensor 213rd, the 1st three-way solenoid valve DT1, the 2nd three-way solenoid valve DT2, the 2nd oil mist filter 500 and guiding device 214.Described water pump 211 adopt plunger displacement pump, to reduce the emulsification to sump oil in sewage for the water pump, improve the separating effect of sump oil water.Described housing 201 by being constituted cylindrical airtight housing by diapire, cylindrical lateral wall and top end cover, upright arrangement, described top end cover It is in the arch raising up.Described housing 201 by polylith dividing plate 203 be separated into the 1st separation chamber A, the 2nd separation chamber B and the 3rd point From room C.Described 1st separation chamber A is located at the top of housing 201, and the 2nd separation chamber B and the 3rd separation chamber C is located at the 1st separation chamber A's Underface.The bottom of the 1st separation chamber A is connected with the top of the 2nd separation chamber B, the bottom of the 3rd separation chamber C and the 2nd separation chamber B Bottom be connected.Described filtration core 202 includes the 1st filtration core 2021, the 2nd filtration core 2022 and the 3rd filtration core 2023.1st Filtration core 2021 is cylindrical, and inside is provided with the cylindrical cavity for accommodating guiding device 214.1st filtration core 2021 quilt It is assemblied in the 1st separation chamber A, and and housing 201 coaxial line；2nd filtration core 2022 is assemblied in the 2nd separation chamber B, the 3rd mistake Filter core 2023 is assemblied in the 3rd separation chamber C.Described 1st filtration core 2021 is to be made up of the hydrophilic fine fibre of oleophobic, the 1st Filtration core 2021 is used for treating filtration treatment sump oil water and carries out coarse filtration, removes the larger sump oil of the volume in sump oil water and drips；2nd Filtration core 2022 is to be made up of superoleophobic hydrophilic fine fibre, and the 2nd filtration core 2022 is used for discharging to from the 1st filtration core 2021 Sump oil water carefully filtered, remove fine oil droplets therein；3rd filtration core 2023 is by the superfine fibre of super lipophilic-hydrophobic property Constitute, for adsorption filtration, the 3rd filtration core 2023 is used for carrying out fine filtering to the sump oil water discharged from the 2nd filtration core 2022, By the super fine oil droplets in Adsorption sump oil water.By three-stage filtration, the oil content that water discharged by described separation equipment is made to reach To discharge standard.The top of the 1st separation chamber A is equipped with oil collecting zone, positioned at the top of the upper surface of the 1st filtration core 2021, the 1st The upper end of separation chamber A is set 2a oil drain out 205a and the 2nd input port 204 flowing into for pending sump oil water, position It is equipped with the 2nd bleeding point 212, for vacuumizing to the 1st separation chamber A on top end cover above the 1st separation chamber A.2nd separates The top of room B is provided with oil collecting zone, is equipped with the 2b oil drain out 205b connecting with this oil collecting zone.The top quilt of the 3rd separation chamber C The gathering ground that being provided for temporarily sets a raft going discharges water and the 2nd discharge outlet 206 for discharging this discharge water, and be equipped with for temporary Deposit the gathering room of sump oil and the 2c oil drain out 205c for discharging this sump oil.Described 2a oil drain out 205a, 2b oil drain out 205b, 2c oil drain out 205c constitute the 2nd oil drain out 205 on housing 201.2nd bleeding point of described oil water separator 200 212 connect with the input port of the 2nd oil mist filter 500, and the delivery outlet of the 2nd oil mist filter 500 is through the 2nd extraction valve DP2 and true The input port connection of empty pump 400.2nd input port 204 of described oil water separator 200 is through the 3rd magnetic valve D3 and profit pre-separation 1st discharge outlet 103 of device 100 is connected, the 3rd input through the 4th magnetic valve D4 and cold boiler 300 for the 2a oil drain out 205a Mouth 302 connection, 2b oil drain out 205b connects with the 3rd input port 302 of cold boiler 300 through the 5th magnetic valve D5, and 2c arranges Hydraulic fluid port 205c connects with the 3rd input port 302 of cold boiler 300 through the 6th magnetic valve D6.Described 2nd oil level detection meter 207 wraps Include 2a oil level detection meter 207a, 2b oil level detection meter 207b and 2c oil level detection meter 207c.Described 1a oil level detection Meter 207a, 2b oil level detection meter 207b and 2c oil level detection meter 207c are assemblied in the 1st separation chamber A, the 2nd separation chamber successively B and the oil collecting zone of the 3rd separation chamber C, for detecting the oil level of each oil collecting zone.Oil level detection meter 207 is from double probe oil level inspections Survey meter.Described 2nd temperature measuring equipment 209, the 2nd liquid level sensor 213 and the 2nd vacuum meter 210 are assemblied in the top of housing 201 respectively On end cap.Described guiding device 214 is assemblied in the internal cavities of the 1st filter core 2021, positioned at the upper end of the 1st filter core 2021 Side, the top of guiding device 214 is higher than the top of the 1st filter core 2021, as shown in Figure 3.
Wherein, described cold boiler 300, as shown in figure 4, include evaporimeter cavity 301, the 3rd heater the 305, the 3rd is surveyed Warm device 306, the 3rd vacuum meter 307 and the 3rd liquid level sensor 308.Evaporimeter cavity 301 is by diapire, cylindrical side wall and top The cylindrical closed shell that lid is constituted, top end cover is in the arch raising up.Set on the top end cover of evaporimeter cavity 301 Put the 3rd bleeding point 303 for vacuumizing；It is arranged for the 3rd of dry sump oil discharge the respectively on the side wall of evaporimeter cavity 301 Oil drain out 304 and the 3rd input port 302 of the sump oil inflow for process to be evaporated.3rd bleeding point 303 is through the 3rd mist filtration Device, the 3rd extraction valve DP3 are connected with the input port of vavuum pump 400, and the 3rd oil drain out 304 connects through the 9th magnetic valve D9 and fuel reserve tank Logical.3rd input port 302 connects with the 2a oil drain out 205a of oil water separator through the 4th magnetic valve, through the 5th magnetic valve D5 and oil The 2b oil drain out 205b connection of separator, connects with the 2c oil drain out 205c of oil water separator through the 6th magnetic valve D6, warp 2nd magnetic valve D2 connects with the 1st oil drain out 104 of profit preseparator.Described 3rd heater 305 is assembled in evaporator chamber The inside of body 301.Described 3rd vacuum meter 307, the 3rd temperature measuring equipment 306 and the 3rd liquid level sensor 308 are assemblied in evaporation respectively On the top end cover of device cavity 301.The operation principle of cold boiler 300 is：Profit preseparator 100, oil water separator 200 institute The sump oil discharged is transported to cold boiler 300, and vavuum pump 400 vacuumizes so as to vacuum reaches to cold boiler 300 The high vacuum of hundred handkerchief magnitudes, that is, reach the pressure of hundreds of handkerchief, now the boiling point of the water about several years, promotes the moisture content rapid steaming in sump oil Send out, reduce the water content discharged in sump oil, the recycle value of sump oil can be improved, and reduce the required sky of sump oil storage Between.
Wherein, described guiding device 214, as shown in Fig. 5-Fig. 6, including unhurried current chamber 2141, input unit 2142, diversion division 2143rd, diversion heating device 2144, guide shell 2145, stabilier 2147 and temperature sensor.Unhurried current chamber 2141 is to be made up of side wall Hollow housing annular in shape, unhurried current chamber 2141 within middle cavity circulate in the counterclockwise direction for sump oil water.Described slow Stream chamber 2141 is arranged by direction along the horizontal plane, as shown in Fig. 3, Fig. 5, i.e. unhurried current chamber 2141 and plane-parallel.Described unhurried current chamber 2141 section is rounded, convenient processing and manufacturing；It can also be square, oval or other shapes.Described input unit 2142 It is the hollow tube of the both ends open being made up of side wall, for pending sump oil water being drained into the middle cavity in unhurried current chamber 2141 Interior.One output oral area gentle stream chamber 2141 of input unit 2142 is connected, and is fixed on the side wall in unhurried current chamber 2141, another End input oral area is used for connecting with the 2nd input port 204 being arranged on oil water separator 200.The delivery outlet of input unit 2142 around Unhurried current chamber 2141 axis in the counterclockwise direction (seen from above) arrangement, the delivery outlet of input unit 2142 with this and Tangent with the cylindrical face of unhurried current chamber 2141 coaxial line, i.e. the tangent line of equipped at outlet port axis of input unit 2142 and chamber 2141 of flowing slowly Large radius at this is perpendicular, as shown in Figure 5 that is to say, that the tangent line of described input unit 2142 equipped at outlet port axis and Paper is vertical, and direction is into paper.Diversion division 2143 is the hollow shell of the both ends open being made up of side wall, this diversion division 2143 defeated Inlet portion is more than output oral area, and the section of diversion division 2143 is circular it is also possible to select square or oval.As preferentially, The quantity of diversion division 2143 is 3, and the delivery outlet (i.e. the tangential direction of equipped at outlet port axis) of 3 diversion divisions 2143 is all along level Face direction is arranged, diversion division 2143, around the axis equidistantly distributed in unhurried current chamber 2141, is arranged on the lateral wall in unhurried current chamber 2141 On, as shown in Figure 5, Figure 6, diversion division 2143 is connected with unhurried current chamber 2141.The delivery outlet of 3 described diversion divisions 2143 is along the inverse time Pin direction arrangement (seen from above), the input port of diversion division 2143 is tangent with this outer side surface respectively to be connected so that diversion division The 2143 segment smoothing transition being connected with unhurried current chamber 2141, no wedge angle, to reduce sump oil water from unhurried current chamber 2141 to diversion division Resistance during 2143 circulation, reduces the kinetic energy loss of the sump oil water flowing out through diversion division 2143.The output of described diversion division 2143 Mouthful (i.e. the tangent line of equipped at outlet port axis) and be located at this and and unhurried current chamber 2141 coaxial line cylindrical face tangent.Therefore, institute State the delivery outlet of input unit 2142, the delivery outlet of diversion division 2143 is all distributed in the counterclockwise direction, be construed as all along phase Consistent angular direction distribution, so, flows in unhurried current chamber 2141 in the counterclockwise direction through the sump oil water that input unit 2142 flows into, Flow to the part sump oil water at diversion division 2143, flow out through diversion division 2143, the sump oil water being flowed out also flows in the counterclockwise direction Go out, flow process advantageously reduce the kinetic energy that sump oil water produces because flow direction is different and offsets loss so that sump oil water from Diversion division 2143 still has higher kinetic energy when flowing out.So, the above-mentioned arrangement of described input unit 2142 and diversion division 2143 It is construed as, the delivery outlet of input unit 2142, the delivery outlet of diversion division 2143 are around the angle of the axis distribution in unhurried current chamber 2141 Direction is consistent.Described diversion heating device 2144, from heating that is annular in shape and being adapted with unhurried current chamber 2141 internal cavities Pipe, to reduce the kinetic energy loss of the sump oil water caused by diversion heating device.Described diversion heating device 2144 is assemblied in unhurried current chamber 2141 inside, near outer avris, to improve heat-transfer effect, increases the efficiency of heating surface.The detection head of described temperature sensor passes through The side wall in unhurried current chamber 2141 extend into the inside in unhurried current chamber 2141, and is sealingly fastened on the side wall in unhurried current chamber 2141.Water conservancy diversion Heater 2144 heats to the sump oil water being transported in unhurried current chamber 2141, and the temperature of sump oil water rises, and reduces sump oil water Viscosity, reduce viscous loss during sump oil water flowing, and reduce sump oil water and unhurried current chamber 2141 inwall and diversion heating device Frictional dissipation between 2144, sump oil water can keep higher kinetic energy when flowing in the counterclockwise direction in chamber 2141 of flowing slowly, and makes Obtain the sump oil water flowing out from diversion division 2143 and there is higher kinetic energy, the favourable oil improving sump oil water, the separation effect of water pre-separation Really.After sump oil water in unhurried current chamber 2141 is heated, be conducive to emulsified oil droplet breakdown of emulsion, promote the little sump oil in sump oil water to drip It is agglomerated into larger sump oil to drip.Described guide shell 2145 is the hollow housing in bell mouth shape being made up of side wall, this housing two End opening, can be considered the side wall of Rotary-table, upright arrange, as shown in Figure 3 and Figure 5, that is, its axis is vertically.Guide shell The diameter with diameter greater than bottom of 2145 upper ends, the bottom of guide shell 2145 is set the in-flanges extending internally 2146, in-flanges 2146 circumferentially surrounds one week.The region circular arc that this in-flanges 2146 is connected with guide shell 2145 bottom Transition, to reduce the kinetic energy loss of sump oil water.The external diameter in described unhurried current chamber 2141 is less than the internal diameter of guide shell 2145 upper end；Lead The external diameter of flow cartridge 2145 is less than the internal diameter of the 1st filtration core 2021.Described unhurried current chamber 2141 is assemblied in the upper end of guide shell 2145 Portion, i.e. big end side, and fix with guide shell 2145；Unhurried current chamber 2141 is located at the inside of the medial surface of guide shell 2145, and slow Stream chamber 2141 and guide shell 2145 coaxial line, that is, the delivery outlet of diversion division 2143 is positioned at the inside of guide shell 2145.Described water conservancy diversion Device 214 is assemblied in the internal cavities of the 1st filtration core 2021, positioned at the upper side of the 1st filtration core 2021, guiding device 214 Upper surface be higher than the 1st filtration core 2021 upper surface.That is, described unhurried current chamber 2141 is assemblied in the 1st filtration core 2021 inside, positioned at the top side of the 1st filtration core 2021；Guide shell 2145 is assemblied in unhurried current chamber 2141 and the 1st filtration core Between 2021, the upper end of guide shell 2145 is higher than the upper end of the 1st filtration core 2021.Guide shell 2145 is used for from diversion division The sump oil water of 2143 outflows carries out current stabilization and strengthens oil, water pre-separation effect.From diversion division 2143 flow out sump oil water in water conservancy diversion Under the barrier effect of cylinder, produce centripetal acceleration, the flow direction of sump oil water changes, and flows along counter clockwise direction in guide shell； From the top down, the internal diameter of guide shell is gradually reduced, and so that the flow velocity of sump oil water is incrementally increased from the top down, has higher flow velocity, Produce bigger centripetal acceleration.Because the density of oil, water is different, between oil in guide shell, water, create centripetal force Difference, and sump oil water flow velocity is higher, centripetal force difference is bigger.Produced centripetal force difference be conducive in sump oil water assemble sump oil drip to Gather at the axis of guide shell, form sump oil area；And sewage flows at the interior sidewall surface of guide shell, form contraminated zone.? Under Action of Gravity Field, the sump oil water in this contraminated zone flows out from guide shell 2145 bottom, flows along counter clockwise direction, that is, flowed to The flow direction of the sump oil water of filter core is consistent, and is conducive to the sump oil water avoiding flow velocity higher to flow directly into filtration core, crushes and collects Poly- sump oil drips, and the sump oil water of flow direction disorder hinders the oil-collecting on filtration core to float, and reduces the strainability of filtration core.Institute Stating stabilier 2147 is in circular flat board.The external diameter of stabilier 2147 is less than the internal diameter of guide shell 2145 upper end, in it Footpath is less than external diameter and the internal diameter more than unhurried current chamber 2141 in unhurried current chamber 2141.Stabilier 2147 is assemblied on guide shell 2145 End, positioned at the top in unhurried current chamber 2141.The madial wall of the excircle avris of stabilier 2147 and guide shell 2145 fits, its The top in lower surface and unhurried current chamber 2141 fits.Stabilier 2147 by the sump oil water flowing out from guiding device 214 and is located at upper The sump oil of portion oil collecting zone separates, and so the part sump oil water flowing up from the sump oil water that diversion division 2143 flows out is steady Stream plate 2147 stops, the sump oil water flowing out from diversion division 2143 will not flow up along guide shell, flows into superposed oil-collecting Area, the sump oil that will not be pointed to top oil collecting zone produces disturbance, it is to avoid the sump oil that the sump oil of oil collecting zone is flowed out by diversion division 2143 Water is carried in sump oil water, thus affecting the gathering of sump oil and the separating effect of sump oil water.It is further to note that it is described The delivery outlet of input unit 2142, the delivery outlet of diversion division 2143 can also all be distributed along clockwise；In addition, described diversion division 2143 One, two or more than three can also be set, selected as needed.Also, it should be noted the unhurried current of described ring-type Portion is circular, and it can also adopt oval ring-type.
Described guiding device 214 is related to the quantity of diversion division 2143 to the pre-separation effect of the sump oil water flowing out through it. In the case of sump oil water detached other technological parameter identical, after pre-separation effect is made with normalization process, diversion division 2143 Quantity and the pre-separation effect of sump oil water between relation as shown in table 1 below.
Table 1：
As can be seen from the above table, when the quantity of the diversion division 2143 of guiding device 214 is 3,4 or 5, pre-separation is imitated Fruit is preferably.3 or 4 diversion divisions can be adopted in actual application, so, more convenient for processing and manufacturing, advantageously reduce The manufacturing cost of guiding device 214, has preferable pre-separation effect simultaneously again.
Wherein, described guiding device 214 also has another embodiment, and differring primarily in that of above-mentioned embodiment, As shown in Figs. 7-8, the plurality of, such as 3, diversion division 2143 is arranged on the diapire in unhurried current chamber 2141.The plurality of lead The delivery outlet (i.e. the tangent line of equipped at outlet port axis) in stream portion 2143 is tilted to lower arrangement, and that is, the delivery outlet of diversion division 2143 is less than Its input port, between the delivery outlet of diversion division 2143 and horizontal plane, angle is 1-10 degree, preferably 3 degree.Described diversion division 2143 defeated Outlet be tilted to lower arrangement, from diversion division 2143 delivery outlet flow out sump oil water have circumferentially shunting speed and along guide shell The downward shunting speed of 2145 axis directions, under the stop of guide shell 2145 constrains, sump oil water is in water conservancy diversion for the sump oil water being flowed out It is rotated down flowing along hand of helix in cylinder 2145, flow out from the bottom of guide shell 2145, flow to the 1st filtration core.This Plant the sump oil assembled at the axis of guiding device 214 to be easier to float so that flowing to pre- point of the sump oil water of filtration core 2021 From effect more preferably, the oil content flowing in the sump oil water of filtration core is lower, is conducive to improving sump oil water separation equipment further Separating effect and separative efficiency.
It should be noted that described diversion division 2143 can also be arranged on the madial wall in unhurried current chamber 2141.Stabilier 2147 internal diameter is less than the internal diameter in unhurried current chamber 2141.Stabilier 2147 is assemblied in guide shell 2145 upper end, positioned at unhurried current chamber 2141 top, and fit, as shown in Figure 9 with unhurried current chamber 2141.The sump oil water that diversion division 2143 delivery outlet flows out is flow slowly The madial wall in chamber 2141 stops, sump oil water flows in the counterclockwise direction or clockwise, and flows to filtration core, can avoid from leading The sump oil water that the flow velocity of stream portion 2143 outflow is higher flows directly into filtration core, and the broken sump oil having gathered drips, and flow direction is disorderly Sump oil water hinder filtration core on oil-collecting float, reduce filtration core strainability.
Described 2nd heater 208 includes 2a heater 2081 and 2b heater 2082.2a heater 2081 is used for 2a oil level detection meter 207a region is heated, the helix that 2a heater 2081 is in the form of a column, be assemblied in water-oil separating The top of device 200, positioned at the outside of 2a oil level detection meter 107a detection head, the 2a heater 2081 of zigzag shape is wrapped in The detection probe of 2a oil level detection meter 207a.The purpose arranging 2a heater 2081 is mainly used in reducing 2a oil level detection Collection sump oil is glued on the surface of meter 207a, the oil level detection of the oil collecting zone to the 1st separation chamber A for the 207a in terms of guaranteeing 2a oil level detection The degree of accuracy and sensitivity.Described 2b heater 2082 is assemblied in the 1st separation chamber A of housing 201, positioned at the 1st filtration core Inside 2021, for heating the sump oil water of separating treatment to be filtered, reduce the viscosity of sump oil water, improve sump oil water and be isolated by filtration Effect.It should be noted that can also be respectively provided with for 2b oil level detection meter 207b and 2c oil level detection meter 207c The heater (in figure is not drawn into) that its region is respectively heated.
The 2a oil drain out 205a of described oil water separator 200 is through the 4th magnetic valve D4, the 1st connector of four-way pipe and storage Fuel tank connects, and constitutes first via drain line, 2b oil drain out 205b is through the 5th magnetic valve D5, the 2nd connector of four-way pipe and storage Fuel tank connects, and constitutes the second road drain line, 2c oil drain out 205c is through the 6th magnetic valve D6, the 3rd connector of four-way pipe and storage Fuel tank connects, and constitutes three road drain line.2nd discharge outlet 206 of described oil water separator 200, the 1st three-way solenoid valve DT1 Two connectors, water pump 211, two connectors of the 2nd three-way solenoid valve DT2, the 8th magnetic valve D8 are sequentially communicated, in the 1st electromagnetic three-way When valve DT1, the 2nd three-way solenoid valve DT2 dead electricity, constitute discharge pipe line.Another connector of described 1st three-way solenoid valve DT1 and The storage bin of anti-rinse water is connected, and another connector of the 2nd three-way solenoid valve DT2 and the 2nd discharge outlet 206 connect, the 1st When three-way solenoid valve DT1, the 2nd three-way solenoid valve DT2 obtain electric, constitute counter-flushing pipeline, for conveying instead to oil water separator 200 Rinse water, backwashes to oil water separator 200, it is to avoid filter core blocks, and extends the service life of filter core.2nd electromagnetic three-way The connector for draining of valve DT2 connects through the 7th magnetic valve D7 and the 2nd input port 204, the pipeline of this connection is provided with and takes Sample valve V2, constitutes the separate lines again that discharge water is carried out with separating treatment again, for sampling is detected underproof discharge Water is input in oil water separator 200, carries out separating treatment again.Described sampling valve V2 is arranged at the 2nd three-way solenoid valve DT2's Between connector for draining and the 7th magnetic valve D7.Sampling valve V2 is used for the discharge water of oil water separator 200 is sampled Detection, when the oil content of the discharge water of oil water separator 200 is higher up to standard, is input to oil water separator 200 by discharging water Inside carry out water-oil separating again to process；When the oil content discharging water is up to standard, discharged by the 8th magnetic valve D8.2nd liquid level passes Sensor 213 detects height, the liquid level that detected the 2nd liquid level sensor 213 and the liquid level of liquid level in oil water separator 200 The preset value of height is compared, and when the liquid level being detected reaches the preset value of liquid level, the 3rd magnetic valve D3 loses Electricity, stops conveying pending sump oil water into oil water separator 200, to prevent sump oil water liquid level too high, sump oil water is by vacuum Pump 400 sucks, thus affecting the sump oil water separation equipment normal work of the present invention.Described 1st to the 8th magnetic valve is in dead electricity often Close, block connection., in dead electricity, discharge pipe line connects, outside draining for 1st three-way solenoid valve DT1, the 2nd three-way solenoid valve DT2； , when obtaining electric, anti-detergent line connects, and oil water separator 200 is carried out for 1st three-way solenoid valve DT1, the 2nd three-way solenoid valve DT2 Anti- cleaning operation.
The operation principle of the separation equipment of the present invention：Vavuum pump 400 vacuumizes to profit preseparator 100, the 1st magnetic valve D1 must be electrically connected, and the sump oil water in sump oil water collection tank is inhaled in profit preseparator 100, and profit preseparator 100 is right The sump oil water of process to be separated carries out pre-separation process, removes the part sump oil in pending sump oil water and solid impurity, reduces Discharge the oil content of sump oil water.The sump oil water discharged from profit preseparator 100 is imported into sump oil water and separates 200.It is transported to The input unit 2142 through the 2nd input port 204, guiding device 214 for the sump oil water of oil water separator 200 is flowed into guiding device 214 Unhurried current chamber 2141 in, sump oil water unhurried current chamber 2141 in flow in the counterclockwise direction.Sump oil water when temperature sensor detection Temperature be less than setting value when, enable diversion heating device 2144 to unhurried current chamber 2141 in sump oil water heat, sump oil water Temperature rises, and reduces the viscosity of sump oil water, reduces in viscous loss and the sump oil water and unhurried current chamber 2141 during sump oil water flowing Frictional dissipation between wall, sump oil water keeps higher kinetic energy when flowing in chamber 2141 of flowing slowly, and makes from diversion division 2143 outflow Sump oil water has higher kinetic energy.After sump oil water in unhurried current chamber 2141 is heated, can also promote emulsified in sump oil water Sump oil drips and gathers, and improves sump oil water pre-separation effect.The sump oil water flowing out from diversion division 2143 is made in the stop of guide shell 2145 With under, produce centripetal acceleration, sump oil water flows in guide shell 2145 in the counterclockwise direction.Because the density of oil, water is different, The oil of same position, water centripetal acceleration identical, then oil, create that centripetal force is poor between water, this centripetal force official post obtains sump oil water In sump oil drip at the axis of guide shell 2145 side and assemble and form sump oil area, sewage is to the internal face side flowing of guide shell 2145 Form contraminated zone.Under gravity, the larger sewage of this contraminated zone density flows out from the bottom of guide shell 2145, flow direction 1st filtration core 2021, this less sump oil of sump oil area density flows up floating, and imports the collection positioned at the 1st separation chamber A top Oily area.The flow velocity of the sump oil water flowing out from diversion division 2143 is bigger, and sump oil water flows in guide shell 2145 in the counterclockwise direction Speed bigger, the oil in sump oil water, the separating effect of the pre-separation of water are better, from guide shell 2145 lower end flow out sump oil Oil content in water is lower.The in-flanges 1146 of guide shell 2145 bottom promotes the sump oil flowing out from guide shell 2145 bottom Part sump oil water in water flows radially inward, and the sump oil water that this partly inwardly flows converges in the center of guide shell bottom Collection, a portion sump oil water flows downward out, and another sump oil water flows up, and the sump oil water flowing up promotes guide shell The sump oil gathering at axis in 2145 floats, and flows into superposed oil collecting zone, thus realizing reduction to flow to the 1st filtration core The oil content of 2021 sump oil water, improves the filter efficiency of the 1st filtration core.The sump oil water of the 1st filtration core 2021 input side is with leading Sump oil water in flow cartridge 2145 flows in the counterclockwise direction, drives the sump oil gathering on the 1st filtration core 2021 inner surface to drip motion, So that less sump oil is dripped to collide and gather into bigger sump oil and drip, promote the sump oil on the 1st filtration core to drip floating, remove the in time 1 filtration core 2021 inputs the oil-collecting on side, strengthens filter effect and the filter efficiency of the 1st filtration core 2021.From the 1st filtration core The sump oil water flowing out in 2021 is flowed into the 2nd separation chamber B, and carries out water-oil separating by the 2nd filtration core 2022；From the 2nd filtration core The sump oil water of 1022 outflows flows into the 3rd filter chamber C, carries out adsorption filtration by the 3rd filtration core 2023 to the sump oil water flowing into this room, The ultra-fine little sump oil filtering in sump oil water drips, and the discharge water flowing out from the 3rd filtration core 2023 is discharged through the 2nd discharge outlet 206.Pass through Sampling valve V2 obtains the water sample of the discharge water discharged from the 2nd discharge outlet 206, and water sample is carried out with the detection of oil content.When discharge water Oil content when reaching discharge standard, such as oil content is less than 15ppm, the 8th magnetic valve D8 obtain electric connected, the 7th magnetic valve D7 loses Electricity is blocked, and now discharge water separated for oil water separator 200 is pumped out by water pump 211, and outwards arranges through the 8th magnetic valve D8 Go out, because the discharge water in oil water separator 200 is discharged and vavuum pump vacuumizes, internal pressure is changed into negative pressure, when the 3rd electricity When magnet valve D3 must be electrically connected, the sump oil water in profit preseparator is inhaled in oil water separator 200 by pipeline；Work as discharge When the oil content of water is not reaching to discharge standard, separated discharge water out will be delivered to oil water separator 200 again and carry out oil Water separating treatment, now, the 8th magnetic valve D8 and the blocking-up of the 3rd magnetic valve D3 dead electricity, the 7th magnetic valve D7 must be electrically connected, water-oil separating The discharge water flowing out from the 2nd discharge outlet 206 in device 200 is transported to the 2nd input port 204, is flowed into by the 2nd input port 204 In oil water separator 200, flow in guiding device 214, carry out water-oil separating again, until discharge water reaches emission request.Oil Separator 200 carry out sump oil water separate when, the temperature of the sump oil water measured by when the 2nd temperature measuring equipment 209, temperature sensor During less than design temperature, it is respectively started the 2nd heater 208, diversion heating device 2144 heats to sump oil water, to reduce sump oil The viscosity of water, accelerates sump oil to gather, improves separating effect, reduce disengaging time.2a oil level detection meter 207a is located simultaneously Region is individually heated, by reduce on 207a in terms of 2a oil level detection viscous collection sump oil it is ensured that 2a oil level detection counts 207a The degree of accuracy to oil level detection and sensitivity.When the detection signal of the 1st oil level detection meter 110 is shown as oil extraction signal, operation 2nd magnetic valve D2 must be electrically connected, to cold boiler 300 oil extraction；When the detection signal of 2a oil level detection meter 207a is shown as During oil extraction signal, operation the 4th magnetic valve D4 must be electrically connected, to cold boiler 300 oil extraction；When 2b oil level detection meter 207b's When detection signal is shown as oil extraction signal, operation the 5th magnetic valve D5 must be electrically connected, to cold boiler 300 oil extraction；When 2c oil When the detection signal of position detection meter 207c is shown as oil extraction signal, operation the 6th magnetic valve D6 must be electrically connected, to cold boiler 300 oil extractions.The sump oil that profit preseparator 100, oil water separator 200 are discharged is transported to cold boiler 300, vavuum pump 400 pairs of cold boilers 300 vacuumize so as to vacuum reaches the high vacuum of hundred handkerchief magnitudes, that is, reach the pressure of hundreds of handkerchief, this In the boiling point of the Shi Shui about several years, promote the moisture content rapid evaporation in sump oil, reduce the water content discharged in oil, sump oil can be improved Recycle value, and reduce the required space of sump oil storage.When needing to carry out anti-cleaning treatment to oil water separator 200, behaviour Make the 1st three-way solenoid valve DT1 and the 2nd three-way solenoid valve DT2 and obtain electric, anti-detergent line connection, anti-rinse water is inhaled by water pump 211 Enter, and be pumped into the 2nd discharge outlet 206 of oil water separator 200, anti-rinse water is injected into water-oil separating through the 2nd discharge outlet 206 In device 200, successively anti-cleaning treatment is carried out to the 3rd separation chamber C, the 2nd separation chamber B and the 1st separation chamber A, it is to avoid filter core blocks, with Oily-water seperating equipment is made to keep more preferably separating effect and separative efficiency.
The separation equipment of the present invention, including profit preseparator 100, oil water separator 200, cold boiler 300, vacuum Pump 400 and guiding device 214.On profit preseparator 100 the in the 1st discharge outlet 103 and oil water separator 200 the 2nd is defeated Entrance 204 connects, and the 1st oil drain out 104 on profit preseparator 100, the 2nd oil drain out 205 on oil water separator 200 are respectively Connect with the 3rd input port 302 on cold boiler 300；The 1st bleeding point 105 on profit preseparator 100, water-oil separating The 3rd bleeding point 303 input port phase with vavuum pump 400 respectively on the 2nd bleeding point 212 on device 200, cold boiler 300 Connection.Described vavuum pump 400 is used for profit preseparator 100, oil water separator 200, cold boiler 300 are taken out very respectively Sky, makes sump oil water carry out separating treatment under vacuum.Described guiding device 214 includes input unit 2142 He being sequentially communicated The input port 204 of unhurried current chamber 2141 annular in shape, the input port of input unit 2142 and oil water separator 200 connects；Unhurried current chamber 2141 is horizontally disposed, is assemblied in the inside of the 1st filtration core 2021, positioned at the top side of the 1st filtration core 2021.Described profit is pre- Separator 100 carries out pre-separation process to pending sump oil water, removes the part sump oil in sump oil water and solid impurity, to drop The oil content of the low sump oil water being transported to oil water separator 200.The built-in guiding device of oil water separator 200 214 is to being conveyed The flow direction of sump oil water guided, the sump oil water flowing out from the diversion division 2143 of guiding device 214 is along counterclockwise or clockwise Direction is flowed out, and flows to the 1st filtration core 2021, flowing to of sump oil water is consistent.Flow to consistent sump oil water and drive the 1st filtration core The sump oil assembled on 2021 drips along flowing counterclockwise or clockwise, and sump oil drips and becomes larger sump oil to drip by Collision coagulation, Promote sump oil drip floating, help remove in time on filtration core assemble sump oil drip, can improve the 1st filtration core 2021 separation effect Fruit and separative efficiency.The inwall of the 1st filtration core 2021 stops to the sump oil water flowing out from guiding device 214, sump oil aquatic products Raw centripetal acceleration, the flow direction of sump oil water changes, and sump oil water is along counterclockwise or flowing clockwise.Due to oily, water close Degree is different, then between oil, water, generation centripetal force is poor, and sump oil water flow velocity is higher, and centripetal force difference is bigger.Described centripetal force difference promotes sump oil Sump oil in water drips and gathers formation sump oil area to the axis side of the 1st filtration core 2021, and sewage is to the inwall side flowing of the 1st filtration core Form contraminated zone；Realize sump oil water to be filtered is carried out with the process of pre-separation again of oil, water.The guide shell of guiding device 214 2145 pairs of sump oil waters being flowed out stop, change the flow direction of sump oil water, and sump oil water flows along counterclockwise or clockwise direction Dynamic, because the internal diameter of guide shell is less and inwall is more smooth compared with the inwall of the 1st filtration core 2021, then sump oil water is in guide shell 2145 Energy loss during interior flowing is less, and sump oil water has higher flow velocity, and profit pre-separation effect is more preferable.Density due to sewage More than the density of sump oil, under gravity, the sump oil in described sump oil area moves upwards, imports the oil collecting zone on top, sewage The sump oil water in area moves downward, and flows out from the bottom of guide shell, flows to the 1st filtration core 2021.The varus of guide shell bottom While compel to flow through the part sump oil water in this region flowing at its axis, promote the sump oil area that guide shell gathers at its axis Sump oil floats, and forms liquid floating, the flow field of the liquid sinks in the contraminated zone of perimeter sides in the sump oil area of guide shell axis side, real Now the sump oil water flowing to the 1st filtration core 2021 is carried out with oil, the pre-separation again of water is processed, and reduces the oil-containing of sump oil water further Amount, improves the filter effect of the 1st filtration core 2021.So, the built-in guiding device of oil water separator 200 214 contributes to the 1st mistake The sump oil assembled on filter core 2021 drips timely floating, and carries out oil, water again to the sump oil water flowing to the 1st filtration core 2021 Pre-separation is processed, and reduces the oil content of the sump oil water of process to be filtered further, reduces the filtration load of the 1st filtration core 2021, Improve separating effect and the separative efficiency of oil water separator 200.Vavuum pump 400 vacuumizes to oil water separator 200, in vacuum ring Under border, sump oil water is carried out with oil, water separating treatment, improves oil, the separating effect of water in sump oil water, reduce further in discharge water The content of sump oil.Cold boiler 300 is evaporated in vacuo under vacuum to separated sump oil out, removes in sump oil Moisture content, reduce discharge sump oil water content, reduce sump oil storage take space, and improve sump oil value
Compared to the prior art, the present invention has the following technical effect that：
Carry out water-oil separating under vacuum, the separative efficiency of separation equipment is high, and the oil content discharging water is low, discharges dirty The water content of oil is low.By arranging profit preseparator, oil water separator, cold boiler and vavuum pump.Under vacuum Carry out water-oil separating process, profit preseparator carries out pre-separation process to pending sump oil water, reduce and be transported to profit The oil content of the sump oil water of separator.The built-in guiding device guiding sump oil water of oil water separator is along counterclockwise or clockwise direction Flow to filtration core, the orderly sump oil water that flows drives the sump oil assembled on filtration core to drip co-flow, and sump oil drips through Collision coagulation The sump oil of Cheng Geng great drips, and promotes sump oil to drip floating, removes the sump oil assembled on filtration core in time and drips.Sump oil water is along counterclockwise or suitable Clockwise flows, oil, the density difference of water, and between oil, water, generation centripetal force is poor, promotes the water-oil separating in sump oil water, realizes Sump oil water is carried out with pre-separation again process, reduce the oil content of the sump oil water flowing to filtration core further, reduce filtration core Filter load, improve separating effect and the separative efficiency of sump oil water separation equipment, reduce the oil content that water discharged by separation equipment；Very Empty evaporimeter to separated go out sump oil carry out vacuum evaporation process, remove the moisture content in sump oil, reduce and discharge containing in sump oil The water yield, reduces the shared space of sump oil storage, and improves the value of sump oil.
General principle, principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry , it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally for personnel The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, the present invention Claimed scope is by appending claims, specification and its equivalent thereof.

Claims (10)

1. a kind of sump oil water vacuum separation equipment is it is characterised in that include：
Profit preseparator (100), for carrying out profit pre-separation process to pending sump oil water, is arranged for taking out thereon 1st bleeding point (105) of vacuum, the 1st discharge outlet (103) for sump oil water discharge and the 1st oil drain out discharged for sump oil (104)；
Oil water separator (200), carries out water-oil separating process for the sump oil water after pre-separation is processed, is arranged for thereon The 2nd bleeding point (212), the 2nd input port (204) for sump oil water inflow and the 2nd oil extraction discharged for sump oil vacuumizing Mouth (205)；Described 1st discharge outlet (103) connects with the 2nd input port (204)；Oil water separator (200) is built-in with filtration core (202), this filtration core (202) is main is made up of the 1st filtration core (2021) for sump oil water is carried out with coarse filtration, the 1st mistake Filter core (2021) is cylindrical, upright arrangement；
Guiding device (214), for guiding to the flow direction of the sump oil water flowing to the 1st filtration core (2021), is assemblied in the 1st The inside of filtration core (2021), positioned at the top side of the 1st filtration core (2021)；Guiding device (214) is included for sump oil current The input unit (2142) entering and the diversion division (2143) flowing out direction for guiding sump oil water, the output of described diversion division (2143) The consistent angular direction distribution of opening's edge；Described input unit (2142) connects with the 2nd input port (204)；
Cold boiler (300), for reduce separated go out sump oil in water content, be arranged for vacuumizing thereon 3 bleeding points (303) and the 3rd input port (302) flowing into for sump oil；Described 1st oil drain out (104), the 2nd oil drain out (205) connect with the 3rd input port (302) respectively；
The input port of vavuum pump (400) and the 1st bleeding point (102), the 2nd bleeding point (212), the 3rd bleeding point (303) are respectively connected with Logical.
2. sump oil water vacuum separation equipment according to claim 1 it is characterised in that：Described guiding device (214) is also wrapped Include unhurried current chamber (2141), described unhurried current chamber (2141) is the hollow cavity annular in shape being mainly made up of side wall, along the horizontal plane side To arrangement；The delivery outlet of described input unit (2142), the input port of diversion division (2143) connect with unhurried current chamber (2141) respectively；Institute State diversion division (2143) around the axis distribution of unhurried current chamber (2141), the angular direction phase one of the delivery outlet distribution of diversion division (2143) Cause.
3. sump oil water vacuum separation equipment according to claim 2 it is characterised in that：The output of described input unit (2142) Mouthful, the input port of diversion division (2143) is tangent with the side wall of unhurried current chamber (2141) respectively connects, described input unit (2142) defeated The angular direction that outlet, the delivery outlet of diversion division (2143) are distributed is consistent；As preferentially, described diversion division (2143) is inclined by Arrange downwards, angle 1-10 degree between the delivery outlet of diversion division (2143) and horizontal plane.
4. the sump oil water vacuum separation equipment according to Claims 2 or 3 it is characterised in that：Described guiding device (214) is also Including the guide shell (2145) being made up of side wall in bell mouth shape；The external diameter of described guide shell (2145) is less than the 1st filtration core (2021) internal diameter, the upper end of guide shell (2145) is more than bottom；Described guide shell (2145) is assemblied in unhurried current chamber (2141) and the 1st filtration core (2021) between, the upper end of guide shell (2145) is higher than the upper end of the 1st filtration core (2021).
5. sump oil water vacuum separation equipment according to claim 4 it is characterised in that：The lower end of described guide shell (2145) Portion is set the in-flanges (2146) extending internally.
6. the sump oil water vacuum separation equipment according to claim 2-5 any claim it is characterised in that：Described water conservancy diversion Device (214) also includes in circular stabilier (2147), and stabilier (2147) is assemblied in guide shell (2145) upper end, It is located at the top of unhurried current chamber (2141), the inwall of the excircle avris of described stabilier (2147) and guide shell (2145) is fitted, Lower surface and unhurried current chamber (2141) laminating.
7. sump oil water vacuum separation equipment according to claim 6 it is characterised in that：Described guiding device (214) is also wrapped Include the annular in shape diversion heating device (2144) being adapted with unhurried current chamber (2141), for carrying out to the sump oil water being inputted adding Heat, described diversion heating device (2144) is assemblied in the inside of unhurried current chamber (2141).
8. sump oil water vacuum separation equipment according to claim 1 it is characterised in that：In described oil water separator (200) Put the 1st separation chamber (A), the 2nd separation chamber (B) and the 3rd separator (C) being sequentially communicated, the 2nd separation chamber (B) and the 3rd separator (C) it is located at the lower section of the 1st separation chamber (A)；Described filtration core (202) also include for essence filter the 2nd filtration core (2022) and The 3rd filtration core (2023) for adsorption filtration；Described 1st filtration core (2021), the 2nd filtration core (2022) and the 3rd filtration core (2023) it is assemblied in successively in the 1st separation chamber (A), the 2nd separation chamber (B) and the 3rd separator (C).
9. the sump oil water vacuum separation equipment according to claim 1 or 8 it is characterised in that：Described profit preseparator (100) it is built-in with the 1st baffle plate (GB1), the 2nd baffle plate (GB2) and the 3rd baffle plate (GB3) of alternate upright arrangement successively, the 3rd baffle plate (GB3) it is located at the one end side of the 1st discharge outlet (103)；The diapire of described 1st baffle plate (GB1) and profit preseparator (100) and Front-rear side walls are fitted；Between being provided between the diapire of the 2nd baffle plate (GB2) and profit preseparator (100) for sump oil water circulation Gap, the front-rear side walls laminating of the 2nd baffle plate (GB2) and profit preseparator (100), the bottom of the 2nd baffle plate (GB2) is higher than the 1st The upper end of baffle plate (GB1)；The diapire of the 3rd baffle plate (GB3) and profit preseparator (100) and front-rear side walls laminating, the 3rd baffle plate (GB3) upper end is less than the upper end of the 2nd baffle plate (GB2).
10. sump oil water vacuum separation equipment according to claim 9 it is characterised in that：Described cold boiler (300) bag Include airtight evaporimeter cavity (301), the 3rd heater (305), the 3rd temperature measuring equipment (306) and the 3rd vacuum meter (307), evaporation The top of device cavity (301) is arranged for the 3rd bleeding point (303) vacuumizing, and described 3rd heater (305) is arranged on The inside of evaporimeter cavity (301), described 3rd vacuum meter (307) and the 3rd temperature measuring equipment (306) are assemblied in evaporimeter cavity (301) top.
CN201611036046.4A 2016-11-22 2016-11-22 Dirty profit vacuum separation equipment Active CN106430791B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108911348A (en) * 2018-09-26 2018-11-30 蔡小春 Oil-containing sewage treatment system

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CN85201092U (en) * 1985-04-01 1986-02-26 交通部上海船舶运输科学研究所 Oil-water separation device with suction pump
WO1988009698A1 (en) * 1987-06-10 1988-12-15 Conoco Specialty Products Inc. Liquid separator
CN2505474Y (en) * 2001-10-19 2002-08-14 刘林斌 Oil-water separator
CN101143267A (en) * 2006-07-27 2008-03-19 苏舍化学技术有限公司 An inlet device for a fluid fed tangentially into an apparatus

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Publication number Priority date Publication date Assignee Title
CN85201092U (en) * 1985-04-01 1986-02-26 交通部上海船舶运输科学研究所 Oil-water separation device with suction pump
WO1988009698A1 (en) * 1987-06-10 1988-12-15 Conoco Specialty Products Inc. Liquid separator
CN2505474Y (en) * 2001-10-19 2002-08-14 刘林斌 Oil-water separator
CN101143267A (en) * 2006-07-27 2008-03-19 苏舍化学技术有限公司 An inlet device for a fluid fed tangentially into an apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108911348A (en) * 2018-09-26 2018-11-30 蔡小春 Oil-containing sewage treatment system

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