CN2442735Y - Purifying separator for high-turbidity waste water containing oil - Google Patents
Purifying separator for high-turbidity waste water containing oil Download PDFInfo
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- CN2442735Y CN2442735Y CN 00250659 CN00250659U CN2442735Y CN 2442735 Y CN2442735 Y CN 2442735Y CN 00250659 CN00250659 CN 00250659 CN 00250659 U CN00250659 U CN 00250659U CN 2442735 Y CN2442735 Y CN 2442735Y
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Abstract
The utility model relates to a purifying and separating device for high turbidity sewerage with oil. The utility model has an integral structure which is composed of a top cover, a tank body, a filter, and a mud chamber. In the utility model which has seven specifications, the processing capacity of the sewerage is six cubic meters per hour to three hundred cubic meters per hour, oil contained in the sewerage to be processed is less than ten thousand milligrams per liter, and turbidity is no more than ten thousand milligrams per liter; water which is processed contains the oil with the capacity of being less than ten milligrams per liter, and the turbidity is less than five milligrams per liter. The separating device of the utility model has a manual operation type and an automatic operation type, and the two types can be used when a plurality of purifying and separating devices for high turbidity sewerage with oil are connected in parallel. The automatic operation type is composed of a programmable controller, an input element, and an output element, and the input element and the output element are matched with the programmable controller.
Description
The utility model relates to a kind of purification separation device of oil-containing high-turbidity sewage, it is to be used for purifying the sewage that contains liquid oils (comprising oil emulsion) and a large amount of solid suspensions, the device that oil, mud, water three in the sewage are separated, this device can be handled the production waste of oil and petroleum chemical industry, the biloge water of boats and ships; The wash water of automobile, locomotive and vehicle; The cooling fluid and the part wash water of machine components processing; Rolling mill cooling water and mill sewage; The sanitary sewage in hotel, restaurant and city or the like.
Existing oil conte, sewage treatment device has two big classes: (one) oily water separating equipment; (2) oil emulsion treatment facility.
(1) oily water separating equipment according to the application target difference, is divided into again: 1. for handling CYF type, CYF-B type oil water separator, the YSCZ type oil and water treatment equipment that the boats and ships oil-polluted water designs; 2. clean for the processing machine part processing and FG type, XZ type, FT type oil catcher, DYSF type and DYF type oil water separator etc. that other industries design.
The structure of oily water separating equipment and operation principle:
1. handle CYF, CYF-B type and the YSCZ type of boats and ships oily water, its structure is vertical four tank bodies, and wherein two is the coarse separator tank body, and two is the fine seperator tank body in addition, and (also can in parallelly using) used in their series connection.CYF, and the coarse separator of CYF-B type be gravity separator; both uses of connecting; first order gravity separator tank body and second level gravity separator and two fine seperator threes are arranged side by side; and two fine seperators are contained in the top of second level coarse separator; the diffusion nozzle is housed in the first order coarse separator; what adorn in the cell of being made up of some corrugated plating groups in the coarse separator of the second level, two fine seperators is the coarse element.YSCZ type oil and water treatment equipment is four circular tanks, is divided into two groups, every group of each tank body up and down, and top be smart separation, and the bottom is crude separation, and internal structure and CYF type are similar.
The operation principle of this class oil water separator is: after oil-polluted water enters the coarse separator tank body; because enlarged areas; flow velocity descends and profit proportion difference; big elaioleucite floats automatically; enter the gathering room on top; less elaioleucite enters in the corrugated plating group cell with water; because wetted perimeter is big; flow velocity is low; laminar condition elaioleucite in narrow and small runner in oil-polluted water place runs foul of each other polymerization formation than big elaioleucite, and after the outflow corrugated plating group, elaioleucite floats to gathering room promptly; the sewage that contains trickle little elaioleucite then enters first order fine seperator tank body; under the effect of coarse unit, the trickle elaioleucite in the sewage is assembled to be become than floating to gathering room on the big elaioleucite, and the sewage of outflow then enters second level fine seperator and carries out a coarse separation again; the water oil content that flows out reaches discharge standard, is discharged by discharge outlet.
2. be the oil-polluted water equipment of processing machine and other industries design, because unit is different with purposes, structure is also different.Be mechanical industry processing, FG, XZ, the FT type oil catcher of cleaning usefulness is middle-size and small-size, and vertical structure FG type is the round can body, and the XZ type is the rectangular V-type tank body, and the FT type is used for oil interceptor.Their operation principle is the one-level Gravity Separation; big elaioleucite floats because of proportion is little after oil-polluted water enters tank body; little elaioleucite enters filter material layer (coarse layer) with water and carries out the essence separation; since filtrate stop lipophile with filtrate; little elaioleucite adsorbs on filtrate; be gathered into big elaioleucite and float; reach the purpose (operation principle of XZ type is that water enters tank body after sloping plate deposition separates big elaioleucite is separated with most of solid suspension, enters filter course then and carries out coarse profit is further separated) of water-oil separating.The DYSF type is fixing respectively vertical three tank bodies, and first tank body is a Gravity Separation, and wherein the first half is an anemostat, and its Lower Half is the corrugated plating group, and the DYF type is the horizontal tank body structure, and its operation principle and CYF, CYF-B type are identical.
In addition, the oil removal filter of Machinery Ministry the 4th designing institute design also is a kind of equipment of handling oil-polluted water, but can not use separately, and its front will be established and be given heavy pond, precipitation oil removal regulating reservoir, and operation principle also is that first Gravity Separation is further separated through the coarse layer again.
(2) oil emulsion treatment facility
Existing oil emulsion treatment facility has RFC type emulsifying waste water processor, SCS type missible oil liquid/gas separator and electric fleeting carburetion sewage disposal device etc.
1.RFC emulsifying waste water processor: it is the pollution of grinding waste liquid and emulsion cutting oil class waste liquid in the mechanical processing process for solving at first, is designed by the tenth designing institute of Ministry of Machine-Building Industry.Its operation principle is to add demulsifier in emulsified waste liquid, makes emulsion be separated into You Heshui, will float to the surface of water on elaioleucite and the mud with the air supporting method then, with oil-scraping device oil is scraped off and delivers to the waste oil tube; Following clear water is discharged after filtration with after the charcoal absorption, its primary structure is made up of drug dissolving tank tank diameter, mixer, oil water separator, dissolving, air compressor machine, filter adsorption tower (jar) and sewage pump, gear pump, valve etc., its advantage is to handle back water quality to be lower than discharging standards, and water stabilization waste oil is recyclable to be utilized again, and shortcoming is a complex structure, the equipment that needs is many, therefore, the investment that needs is many, operation power consumption height, complicated operation, and model is less.
2.SCS type missible oil liquid/gas separator: this is a kind of missible oil liquid/gas separator of succeeding in developing in the later stage seventies.Its operation principle is to utilize macromolecular material to make medium, when missible oil liquid is flowed through medium, the oil or fat particles of decentralized photo is promptly attached on the medium, the medium because missible oil liquid is continuously flowed through, then being attached to oil or fat particles on the medium constantly runs foul of each other and is combined into bigger oil droplet, oil droplet breaks away from medium and floats under buoyancy function, reaches the purpose of water-oil separating.The advantage of this equipment is that simple structure, energy savings, operating cost are low; Shortcoming is: missible oil liquid will be in advance with solid impurity remove totally could use and also existing treating capacity all less.
3. electric fleeting carburetion treatment facility, a research of this equipment petroleum industry oil plant of doing is handled oil-containing (the comprising oil emulsion) sewage that produces in its production process and is designed, its operation principle is to utilize iron to make electrode, utilize the effect of electrolysis, produce iron ion formation iron hydroxide oil-polluted water is carried out breakdown of emulsion, the cohesion of elaioleucite, the flocculation of solid suspension, making oil in the water be condensed into big oil droplet bubbles through the water column, solid suspension forms mud alumen ustum (flco) and sinks, and oil, water, mud three are separated.Though this equipment has the wider advantage of adaptive surface, its power consumption height, and oil-containing is still high in the water after handling, and does not reach discharge standard.
There is following shortcoming respectively in above-mentioned various existing oily water treatment facility:
1. various device all can not be handled the high oil-polluted water of turbidity.CYF, CYF-B, DYSF, FG, FT type all clearly propose only to be applicable to the oily waste water treatment of cleaning; though other model is not carried; but what have needs preliminary sedimentation tank, have dispose of sewage the time turbidity is high slightly will shut down backwash continually, and backwashing time is long maybe needs to cooperate with steam.
2. oil water separator, oil catcher can not be handled the sewage that contains oil emulsion, can handle jar that the equipment contain emulsifying greasy dirt water such as FRC type then need a cover compression air and molten gas etc., this causes capital expenditure many, complicated operation, operation power consumption height, and existing device processes capacity is all very little; Handle the equipment power consumption height that contains emulsifying greasy dirt water with electrocoagulation, the sewage with oil rate after the processing is higher, and the sediment moisture content height of discharge needs further to handle.
3.CYF, types such as CFY-B, DYSF, YSCZ all need special-purpose water pump (reciprocating pump or screw pump), and filter element (coarse element) to shut down change and price higher, the operating cost height.
The purpose of this utility model is the shortcoming that overcomes the said equipment, a kind of oil-containing high-turbidity sewage decontaminating separator is provided, and its advantage is the oil-polluted water that (1) can handle high turbidity, also can handle low turbidity waste sewage, can handle again and contain emulsifying greasy dirt water, to enlarge accommodation; (2) accomplish and do not shut down backwash or change filtrate, to prolong the cycle of operation; (3) energy savings; (4) reduce capital expenditure and operating cost; (5) simplify the operation.
The utility model has been compared following different with the said equipment: (1) establishes cyclone separator in lower tank, utilizes centrifugal force that oil, water, mud three are separated; (2) establish a plurality of filters in the tank body outside,, can carry out backwash in turn and change filtrate, needn't shut down as the interface channel of last lower tank; (3) adopt adsorption capacity and flammable filtrate are arranged, with the harmful substance of dissolving in the adsorbed water, the filtrate that changes can be used as boiler oil and recycles together with contained greasy filth, not only energy savings but also do not produce secondary pollution; (4) hopper dredger is designed to taper, and mud discharging mouth is in hopper dredger bottom, make mud be subjected to the pressure of top mud alumen ustum and water in hopper dredger, and thickening voluntarily reduces the moisture content of discharging mud; (5) establish homogenizing plate and make water flow velocity in tank body even,, prolong the cycle of backwash and replacing filtrate to improve the utilization rate of filtrate and coarse material; (6) establish the taper catchment covers in the tank body, water is increased at the exit upflow velocity, utilize the different specific weight of inertia and profit, and the variation of the outlet flow direction, oil, water are separated once more, reduce the oil content of water and the moisture content of oil slick.
Fig. 1 is the structural representation of separator of the present utility model.
The high-turbidity sewage decontaminating separator of this oil-containing or oil emulsion, as shown in Figure 1, the top cover 1 that comprises top, the tank body that is divided into upper tank body 2 and lower tank 3 by dividing plate 2/3, the filter 4 in the tank body outside and the cone mud bin 5 of bottom, it is characterized in that: sewage water inlet pipe 6 is arranged on lower tank 3 tops, oil level controllers 7 is arranged in the lower tank from top to bottom, homogenizing plate 8, filter inleting pipe 9, cone-shaped hood 10, cyclone separator 11, tube core 12, grid 13, the oil exit pipe 14 of lower tank outside, following draining valve 15, lower tank 3 bottoms are cone mud bins 5, be annular base 16 on every side, the hopper dredger bottom is a discharge pipeline 17, mud valve 18; The top of lower tank 3 is upper tank bodies 2, and two tank bodies have filtrate 19 by filter 4 UNICOMs in the filter 4 up and down, is filter outlet pipe 20, homogenizing plate 21, coarse material 22, taper catchment covers 23, current-sharing collecting ring 24 from bottom to top in the upper tank body 2; There are clear water discharge pipe 25 and draining valve 26 in upper tank body 2 outsides, and the top of upper tank body 2 is top covers 1, in oil extraction control device 29 is arranged, there is oil exit pipe 27 on its top, goes up draining valve 28.This parts form and order of placement and mode are that this decontaminating separator is peculiar.
Use oil-containing high-turbidity sewage decontaminating separator of the present utility model the technical process such as thickening of the flocculation of the cohesion of stirring, the breakdown of emulsion of oil emulsion, trickle elaioleucite after the dosing in the high-turbidity sewage treatment process of general oil-containing, solid suspension, precipitate and separate, filtration, mud-water separation, water-oil separating, mud all can be finished, oil, water, mud are discharged respectively in tank body, water is recycled or discharging, and waste oil is recycled.
The technological process that the oil-containing high-turbidity sewage purifies is: medicine and sewage are sucked at diverse location simultaneously by the water inlet pipe of sewage pump; enter the water inlet pipe 6 of oil-containing high-turbidity sewage decontaminating separator of the present utility model by sewage pump warp let-off mixing reactor; tangentially enter again in the rotational flow separation tube 10,11 in the lower tank 3; because the stirring action of eddy flow; medicine and sewage are further mixed equably; medicine and solid suspension form the mud alumen ustum, medicine makes the oil emulsion breakdown of emulsion form oil or fat particles, and progressively are condensed into big elaioleucite or oil droplet.The mud alumen ustum, water, elaioleucite (or oil droplet) is under the eddy flow action of centrifugal force, elaioleucite (pearl) concentrates on the cyclone separator centre, around the tube core 12, the mud alumen ustum is then near the outer wall of cyclone separator, under the effect of the promotion of eddy flow water inlet and gravity, water and mud alumen ustum are downward rapidly, enter in the tank body by the cyclone separator lower part outlet, because sectional area increases rapidly and the resistance of the interior water of tank body, descending flow velocity reduces rapidly, and the mud alumen ustum is heavier than water, under the effect of inertia force, the mud alumen ustum continues to descend, and deposits in the hopper dredger 5, the mud alumen ustum of hopper dredger bottom is under the weight of top mud alumen ustum, thickening voluntarily, water are extruded to the top of hopper dredger, finish the thickening process of mud alumen ustum, and the cyclone separator centre, elaioleucite (pearl) around the tube core 12 is because proportion is little, under the extruding of eddy flow water and mud alumen ustum, along the tube core upwards, rise gradually, flow out, enter lower tank 3 from the outlet of tube core 12 tops, and rise in the oil collecting zone (chamber) at its top, long-pending behind certain thickness, under the effect of oil level controllers, following draining valve 15 is opened, oil is discharged by oil exit pipe 14, finishes oil, moisture from the first step; This is at present in the water in jars 3, also have atomic little elaioleucite and mud alumen ustum to exist, under the promotion of constantly water inlet, water in the lower tank 3 enters the gathering ground by homogenizing plate 8, enter in the filter 4 by filter inleting pipe 9, tiny mud alumen ustum residual in the water is filtered, because 19 pairs of some poisonous and harmful substances soluble in water of filtrate and trickle elaioleucite have suction-operated, make water be able to further purification, enter the gathering ground of top tank body 2 bottoms then by filter outlet pipe 20, enter coarse district 22 by homogenizing plate 21, because the lipophile of coarse material, imperceptible elaioleucite is attracted on the material, be gathered into big elaioleucite (pearl) gradually with liter waterborne, enter taper catchment covers 23 bottoms, in cover, continue to rise to the top that outlet enters upper tank body 2, because catchment covers 23 is taper, the bottom is big, top is little, the exit water flow velocity is accelerated, to the exit, because sectional area increases suddenly, the drag effect of upper water and outlet back water (flow) direction are wanted flip-flop, by the influence that upwards becomes to inferior factor, the flow velocity of water reduces rapidly after leaving catchment covers, and the elaioleucite in the water (pearl) is littler than water because of proportion, and is influenced less, so continue up, swim to the oil collecting zone on top cover 1 top, behind certain thickness, discharge by last oil exit pipe 27 draining valves 28 long-pending; Clear water is then via the collecting ring 24 in taper catchment covers 23 outsides, outside clear water discharge pipe 25 and the draining valve drain tank, finished the overall process that oil, water, the mud three of oil-containing high-turbidity sewage separate.
In sum, the process of oil-containing high-turbidity sewage purification separation is: after dosing stirs, because the effect of medicine, make the solid suspension in the water flocculate into the centrifugal force of mud alumen ustum at eddy flow, most mud alumen ustum are deposited in the hopper dredger under the effect of inertia force and gravity, finish for the first time and separate.And in the water superfine little mud alumen ustum still in water, by filtering the detention of remaining mud alumen ustum in filtrate, make mud alumen ustum and moisture from, finished mud and moisture from overall process; Elaioleucite in the sewage or oil emulsion are by the effect of medicine; the oil emulsion breakdown of emulsion becomes trickle elaioleucite; elaioleucite in the water is in collision; the effect of medicine cohesion forms bigger elaioleucite (pearl) down; under the eddy flow action of centrifugal force; the overwhelming majority is to separate for the first time with moisture from floating on waterborne this; it also is crude separation; still stay the superfine little elaioleucite in the water,, also play the coarse effect by the absorption of filter leaching material; again through the coarse material layer; because the material lipophile, superfine little elaioleucite is attached on the material, builds up bigger elaioleucite (pearl) to break away from the coarse material gradually and with liter waterborne; flow velocity through the outer water of taper catchment covers outlet; flow to the different of variation and profit proportion; at inertia force, under the buoyancy function, oil continues upwards to bubble through the water column; water is then downward; finish oil and separate for the second time with water, promptly smart separation, finished oil and moisture from overall process.Discharge when oil amasss to certain thickness, water is then discharged by the clear water discharge pipe at decontaminating separator middle part, and oil, water, mud three all separate.
Oil-containing high-turbidity sewage decontaminating separator of the present utility model has 7 kinds of specifications now, sewage load be 6～300 cubic metres/time, the turbidity of can disposing of sewage is≤10000 mg/litre, sewage with oil rate≤10000 mg/litre, handle turbidity (5 mg/litre of back discharge water, oil-containing≤10 mg/litre, moisture content≤1% of recovery waste oil is discharged moisture percentage in sewage sludge≤80%.
With separator of the present utility model is core, is equipped with sewage pump, and auxiliary equipment such as dosing tank, mixing reactor are formed oil-containing high-turbidity sewage purification separation device (complete set of equipments), and it has manual operation and operates two kinds of models automatically.Automatically manipulation type adopts advanced " programmable controller " as the control core, is equipped with the input and output element and forms, and control program can be according to handling the establishment of different quality process sewage, change, and need not increase components and parts and distribution again.
Oil-containing high-turbidity sewage decontaminating separator of the present utility model is compared with existing various oil conte, sewage treatment devices, and following characteristics are arranged: (1) has solved the problem that existing various device all can not be handled high turbidity oil-polluted water separately; (2) its wide accommodation both can have been handled high turbidity oil-polluted water, can handle low turbidity oil-polluted water again; Both can handle and contained suspended oil sewage, and can handle again and contain emulsifying greasy dirt water; (3) can not shut down the filtrate that carries out backwash and change filter, improve usage ratio of equipment; (4) the operation power consumption is low, and useless filtrate can be done the fuel recovery utilization, and is simple to operate, and then overall running cost is low, and does not cause secondary pollution; (5) do not need dedicated pump, airfloat equipment, electrolysis installation, preliminary sedimentation tank, oil interceptor etc., Gu Jijiantouzisheng.
Claims (1)
- A kind of oil-containing high-turbidity sewage decontaminating separator, form by top top cover, middle part tank body and outer filter thereof and bottom hopper dredger, it is characterized in that: there is dividing plate the centre of middle part tank body, tank body is divided into two parts up and down, be provided with cyclone separator in the lower tank, there are cone-shaped hood, homogenizing plate, filter inleting pipe in its outside, it has grid down, has oil extraction control dress to make between cyclone separator and the dividing plate; It above the dividing plate water catchment area, filter outlet pipe is arranged in the water catchment area, homogenizing plate is arranged on the water catchment area, being the coarse material on the plate, up is that a bottom is taper again, and top is straight-cylindrical catchment covers, collecting ring is arranged outside the cover, homogenizing plate and clear water discharge pipe have filter in the tank body outside, with the UNICOM of two parts up and down of tank body; Below the tank body cone mud bin, and discharge pipeline, mud valve; Be top cover on tank body, the oil extraction control device is arranged in the top cover, oil exit pipe and draining valve are arranged on the top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00250659 CN2442735Y (en) | 2000-08-24 | 2000-08-24 | Purifying separator for high-turbidity waste water containing oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00250659 CN2442735Y (en) | 2000-08-24 | 2000-08-24 | Purifying separator for high-turbidity waste water containing oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2442735Y true CN2442735Y (en) | 2001-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00250659 Expired - Fee Related CN2442735Y (en) | 2000-08-24 | 2000-08-24 | Purifying separator for high-turbidity waste water containing oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2442735Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811762A (en) * | 2010-03-23 | 2010-08-25 | 新疆科力新技术发展有限公司 | Coagulation and sedimentation testing device for oil field sewage |
| CN102910755A (en) * | 2011-07-31 | 2013-02-06 | 浦江儒意水晶环保设备开发有限公司 | Treatment process for crystal wastewater |
| CN102910756A (en) * | 2011-07-31 | 2013-02-06 | 浦江儒意水晶环保设备开发有限公司 | Treatment device for glass wastewater |
| CN108585141A (en) * | 2018-04-02 | 2018-09-28 | 宁波帝杨电子科技有限公司 | A kind of device that sewage disposal is carried out using quantitative alum of upper lower tank separation |
| CN108658187A (en) * | 2018-04-02 | 2018-10-16 | 宁波帝杨电子科技有限公司 | A kind of device that sewage disposal is carried out using alum of upper lower tank separation |
| CN108675414A (en) * | 2018-04-02 | 2018-10-19 | 宁波帝杨电子科技有限公司 | It is a kind of to carry out the device of sewage disposal by detaching upper tank body and lower tank |
| CN110713216A (en) * | 2019-10-24 | 2020-01-21 | 北京石油化工学院 | A multi-stage filtration system for high concentration oily sewage treatment |
| CN114804294A (en) * | 2022-03-18 | 2022-07-29 | 奥朗博佳羽节能科技有限公司 | Can realize automated control's greasy dirt piece-rate system |
| CN114835295A (en) * | 2022-05-07 | 2022-08-02 | 青岛瑞铵特环保有限公司 | High-efficient oily waste water separator |
| CN114956364A (en) * | 2021-02-25 | 2022-08-30 | 河南省力华全环保科技有限公司 | High-load suspended matter cyclone water treatment device |
-
2000
- 2000-08-24 CN CN 00250659 patent/CN2442735Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811762A (en) * | 2010-03-23 | 2010-08-25 | 新疆科力新技术发展有限公司 | Coagulation and sedimentation testing device for oil field sewage |
| CN102910755A (en) * | 2011-07-31 | 2013-02-06 | 浦江儒意水晶环保设备开发有限公司 | Treatment process for crystal wastewater |
| CN102910756A (en) * | 2011-07-31 | 2013-02-06 | 浦江儒意水晶环保设备开发有限公司 | Treatment device for glass wastewater |
| CN102910756B (en) * | 2011-07-31 | 2014-09-03 | 浦江儒意水晶环保设备开发有限公司 | Treatment device for glass wastewater |
| CN108675414A (en) * | 2018-04-02 | 2018-10-19 | 宁波帝杨电子科技有限公司 | It is a kind of to carry out the device of sewage disposal by detaching upper tank body and lower tank |
| CN108658187A (en) * | 2018-04-02 | 2018-10-16 | 宁波帝杨电子科技有限公司 | A kind of device that sewage disposal is carried out using alum of upper lower tank separation |
| CN108585141A (en) * | 2018-04-02 | 2018-09-28 | 宁波帝杨电子科技有限公司 | A kind of device that sewage disposal is carried out using quantitative alum of upper lower tank separation |
| CN108585141B (en) * | 2018-04-02 | 2021-03-09 | 张倩瑜 | Device for sewage treatment by quantitative alum by upper tank body and lower tank body |
| CN108658187B (en) * | 2018-04-02 | 2021-03-12 | 王玉涛 | Device for sewage treatment by alum by upper tank body and lower tank body |
| CN108675414B (en) * | 2018-04-02 | 2021-09-21 | 宁波帝杨电子科技有限公司 | Device for treating sewage through separating upper tank body and lower tank body |
| CN110713216A (en) * | 2019-10-24 | 2020-01-21 | 北京石油化工学院 | A multi-stage filtration system for high concentration oily sewage treatment |
| CN114956364A (en) * | 2021-02-25 | 2022-08-30 | 河南省力华全环保科技有限公司 | High-load suspended matter cyclone water treatment device |
| CN114804294A (en) * | 2022-03-18 | 2022-07-29 | 奥朗博佳羽节能科技有限公司 | Can realize automated control's greasy dirt piece-rate system |
| CN114835295A (en) * | 2022-05-07 | 2022-08-02 | 青岛瑞铵特环保有限公司 | High-efficient oily waste water separator |
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