CN203820565U - Oily sewage air floatation suspension layer filtering device - Google Patents
Oily sewage air floatation suspension layer filtering device Download PDFInfo
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- CN203820565U CN203820565U CN201420038454.3U CN201420038454U CN203820565U CN 203820565 U CN203820565 U CN 203820565U CN 201420038454 U CN201420038454 U CN 201420038454U CN 203820565 U CN203820565 U CN 203820565U
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Abstract
The utility model relates to an oily sewage air floatation suspension layer filtering device. The device sequentially comprises a gas-water mixing zone, an inverted cone-shaped flocculation zone, a suspension layer filtering zone, a floc interceptor and an agglomeration zone from bottom to top, wherein a plurality of overflow settlers are arranged in the suspension layer filtering zone. According to the oily sewage air floatation suspension layer filtering device disclosed by the utility model, flocculation, air floatation, oxidation, suspension layer filtration, agglomeration and filtration are integrated as a whole, and the floc interceptor, a filter and the plurality of overflow settlers are arranged, so that the oily sewage air floatation suspension layer filtering device is high in treatment efficiency, high in filtration layer formation speed, strong in adaptability and flexible and stable in operation, is suitable for treatment of various sewage containing suspended matters, and is particularly suitable for suspension filtration of oily sewage with high mineralization degree and high density.
Description
Technical field
The utility model relates to oily water treatment technical field, refers in particular to a kind of oily(waste)water and removes suspended substance and oily waste water purification device.
Background technology
Petroleum and natural gas is opened in Bian and refining process, produces a large amount of oily(waste)waters, mainly contains oil extraction-generated waste water, drilling well, well-flushing and oil refining sewerage etc., wherein maximum with oil extraction-generated waste water amount, except oil-containing, also contains a large amount of suspended substances.Process these oily(waste)waters, Separation and Recovery oil product, reduces COD, and making it to reach environmental emission standard or re-injection is an important job.At present each oil field and refinery process that the method for oily(waste)water adopts conventionally is some common process methods of sedimentation, air supporting, coalescent, biochemical and filtration, mainly contains regulating tank and vertical natural oil removing pot that floor space is larger.Settlement separate oil removing section mainly includes vertical coagulating setting tank, inclined tube slurry tank, coarse tank, pressure swash plate oil removing pot, oil removal by air bubbling and sewage degrease swirler etc.; Filtering under pressure includes the Double-filter material filter of the filtrates such as quartz sand, nut-shell etc., by the settlement separate section of particulate that can not hold back, impurity, throw out, floating carburetion filtering separation out, is the bad joint of key that can water quality up to standard.For oil reinjection water, process, generally adopt now " partial reflux pressurized vessel air supporting choosing+Depth Filtration " or " two-stage air supporting precipitation+filter ", its decontamination effect improving is undesirable, is difficult to adapt to the oil field produced water purification requirement of high oil in water emulsion, high suspended matter.Petrochemical Enterprises mainly adopts the techniques such as air supporting, oxidation, biochemistry, filtration, and floor space is large, energy consumption is high.The ubiquitous technical problem of existing oily(waste)water technology is: sewage disposal long flow path, system is huge, occupation area of equipment is large, and equipment manufacturing cost is high, effects of purification quality is poor, more cannot adapt to processing demands dispersion, that sewage quantity is little.Some new technology also have application in recent years, as suspended sludge filtering technique, triphase separator eddy flow, suspended sludge filter shallow air-floatation, whirlpool, can speed revolve separation system etc. also in some oil fields and refinery application.
The purification system that CN201132782Y discloses a kind of oil-containing sewage purifying device and contained this device, this oil-containing sewage purifying device includes a cylindrical vertical tank body, in tank body, be provided with vertically the solid-liquid separation assembly that can form suspended sludge layer, sewage inlet is connected with the bottom of solid-liquid separation assembly, sewage flows into solid-liquid separation assembly through water-in, and form suspended sludge layer in solid-liquid separation assembly, sewage causes water pot after filter, sewage bottom in and top out by water outlet by pipeline after the filtration treatment of suspended sludge layer.The densification suspension mud layer that this utility model utilizes sewage self to form carries out purification, the filtration of water quality, has broken traditional mechanical filter pattern, and a whole set of clarification system is simple in structure, and technical process is short, can realize petrol station water and directly enter purification system.But this apparatus sewage sludge layer formation time is long, from its principle and practical situation, for high salinity, high-density water system, can not form stable sludge blanket, simultaneously due to center overflow mud, can cause filtering layer inhomogeneous.
WO2011160271A1 discloses oil-contaminated water purifying device, comprises atmospheric vertical tank, and its inside comprises center coagulating cylinder, back taper cyclone-flocculation section, suspended sludge filtering layer, swash plate clear water rectification section successively from bottom to top; The bottom of described center coagulating cylinder is tangentially provided with sewage import; Described suspended sludge filtering layer periphery is provided with weir plate and forms mud-collecting slot, and is connected with mud enrichment region by mud discharger, and described mud enrichment region is connected to shore pipe; Swash plate clear water rectification section top is provided with the clear water output of water outlet weir plate formation and is connected with rising pipe along tank skin.From its principle and practical situation, for high salinity, high-density water system, can not form stable sludge blanket, simultaneously due to center overflow mud, can cause filtering layer inhomogeneous, part small-particle flco and oil droplet also can float and arrive top water outlet, cause water band suspended substance and oil after processing.
CN101113042A discloses a kind of novel integral sewage water purifier, by reaction chamber, suspending clarification chamber, tube settling chamber, shallow gas floating chamber and filtration chamber form, reaction chamber is inverted tubaeform, wherein feel at ease central mud feeding drum is housed, dredging tube, its top is suspending clarification chamber, tube settling chamber is installed on suspending clarification chamber, at equipment top, shallow gas floating chamber is installed, annular filter chamber is established in equipment bottom, by coagulating, suspending clarification, tube settling, shallow air-floatation, the technology sets such as filtration are in one, realized full-automatic operation, improved purification efficiency, reduced equipment volume, floor space and investment, simple to operate, working cost is low, but its gas-floating chamber is located at top, and be difficult to form stable suspended sludge filtering layer, be not suitable for oily water treatment.
The cleaning treatment system that CN101279778A discloses a kind of three-phase cyclone separator and contained this three-phase cyclone separator.What its three-phase cyclone separator included lower taper sludge collector, top has rotational flow settlement district, inclined tube negative area and a filtering layer district, wherein between inclined tube negative area and filtering layer, be provided with multiple tracks oils and catch the oils capture area that plate forms, oils catches plate and is provided with the equally distributed upwards oil-collecting cone of tapered protrusion, and its top oils collection hole of going up one oils seizure plate most passes into the cavity that is provided with oil export at tank body top through transition pipeline.The cleaning treatment system for oil-contaminated water that comprises above-mentioned three-phase cyclone separator includes chemicals treatment input section, three-phase cyclone separator and oxidation Filtration Adsorption section.The utility model technology has advantages of that technical process is short, the purifying treatment used time is few, floor space is little, water conditioning is stable, oily resource is recyclable, environment protection standard.But this device is caught oiled-plate method complex structure and sludge blanket height is uncontrollable, when processing high salinity, high-density oily(waste)water, because flco density is less than the density of water, be difficult to form suspended sludge layer, and cannot realize mud and sink to bottom.
CN102642884A discloses a kind for the treatment of process of oily(waste)water and separation system can speed be revolved in specific equipment whirlpool, oily(waste)water is by force (forcing) pump and pre-configured medicament, pressurized air enters the poor three-phase mixing tank of Multi-stage spiral speed together, multistage three-phase mixing tank makes medicament fully contact formation micro-floccule with pollutent, and after making pressurized air fully be dissolved in sewage, enter in release chamber, in discharging chamber, with pressure decreased, molten gas slow release in flco is grown up, moisture in flco is extruded, gas and solid flco form porous hollow morphology, it is more and more lighter that water ratio significantly reduces while self proportion, after final formation scum silica frost, enter separate tank, by the slag scraper above separate tank, strike off scum silica frost, the slag bucket that the scum silica frost striking off is connected is below discharged and is made follow-up processed, separated water is after water outlet weir plate overflows to effluent trough, by rising pipe, discharge.The advantages such as it is good that this utility model has treatment effect, saves medicament, and the mud of generation is few, reduces investment outlay, and controls simply, and maintenance cost is low.But its flco directly discharges, and does not play a role in filtering, be only equivalent to a dissolved air flotation device, processing oily(waste)water is difficult to once up to standard, and employing high-voltage energy consumption is high, floor space is large.
CN200949066Y discloses a kind of multifunctional water and has processed clarifying plant, relates to the improvement of the clarifying plant (pond) of sewage disposal, is applied in biologic process for treating sewage, and the mixed solution that biological reaction tank is gone out to stream carries out solid-liquid separation.This device is by clear water zone, and filler is held back district, aeration tube, and sludge flocculation district, mud flooded zonevvv, water inlet commutating zone, mud enrichment region, blow-off pipe, grid forms, and in water technology, can arrange separately, can combine with biological reaction tank again.This utility model, in activated sludge process or biomembrance process sewage treatment process, can either be carried out muddy water clarification and mud concentrated, and can carry out a biological disposal upon, and has that solid-liquid separation efficiency is high, outlet effect good, investment, takes up an area advantage less.But from its principle, be unsuitable for oily water treatment, be more not suitable for high-density wastewater treatment.
US Patent No. 7087175 is separated for the suspension of wastewater treatment, comprises containing suspension waste water lifting to containing fluidized-bed Sludge Bed, containing the suspension of flocculation agent, from liquid, separates, and comprises by the method for filtering.Although this device has been realized suspended layer filtration, it has considered the situation that density is low, suspension content is high, is not suitable for oily water treatment.
US Patent No. 6358407 discloses a kind of apparatus and method of fluid purification.Adopt chemical process that the pollutent of dissolved state is separated out from true solution state, form micelle or the small suspended particle with solid phase interface; Select efficient and economic sorbent material that organic pollutant, colourity etc. is separated from sewage; Then adopt microphysics absorption method that various micelles and suspended particle in sewage are condensed into the flco that bulk is closely knit; According to fluid mechanics principles such as eddy flow and filtered water mechanics, in sewage purification device, make flco and water sharp separation again; After the fine and close suspension mud layer that clear water forms through oneself in tank body filters, reach the standard of tertiary treatment, after mud Ze concentration compartments inner height is concentrated, discharge.This device is applicable to the processing of high concentration suspended matter sewage, for oily(waste)water especially high salinity oily(waste)water, cannot normally move.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, and a kind of oil-contaminated water air-float suspended layer filtration unit is provided.
For reaching this object, the utility model by the following technical solutions:
An oil-contaminated water air-float suspended layer filtration unit, described device comprises mixing wastewater with air district, back taper flocculation zone, suspended layer filtrating area, flco blocker and coalescent district from bottom to up successively; In described suspended layer filtrating area, be provided with a plurality of overflow settling vessels.
First the utility model utilizes the effect that the is uniformly mixed enhanced flocculation of gas, accelerates the floating of growing up of flco, and along with flocculation is constantly carried out, flco is increasing; When mixture flow is flowed through back taper flocculation zone, part flco density is increasing, and flow velocity is more and more less, finally reaches the balance that rises and decline, and forms suspended layer; Part flco can continue to rise, while arriving flco blocker, can be blocked, when, flco density high at sewage salinity is less than water, still can move, strengthen suspended layer filtration simultaneously, the uniform overflow settling vessel along cross section, when suspended layer is during higher than its upper limb, because suspended layer density is greater than the density of water, suspended layer can enter settling vessel, by settling vessel, enters mud concentration zones, bottom, can guarantee the uniform and stable of suspended layer like this, coalescent district is set and can make to assemble through the oil droplet of suspended layer filtrating area.
Described device also comprises the mud concentration zones that is positioned at bottom.The mud settling down in described overflow settling vessel enters mud concentration zones, regularly discharges.
Described device also comprises the filtrating area that is positioned at bottom.In filtrating area, reserve filter is set, can guarantees that stable water outlet is up to standard.Water after purification from water outlet flows out after, if below standard, can enter strainer, by residual suspended substance and oily Filtration Adsorption, absorption when water outlet is defective afterwards, is enabled back-washing valve, and Filter Back Washing is processed.
Between described flco blocker and coalescent district, it is settling section.Top, described coalescent district is also provided with clear water zone and oil slick district.The utility model can, by water leg being set in clear water zone, make stable water outlet; At oil slick, district arranges oil trap, makes fuel-displaced stable.
Described mixing wastewater with air is provided with gas-water mixer in district.Described gas-water mixer is comprised of filler or traverse baffle.In gas-water mixer, stirring and the changing flow direction because of gas, cause stronger turbulent fluctuation, medicament (flocculation agent, coagulant aids and sterilant etc.) is mixed with contaminant particle, water, gas three-phase, at this moment the suspended substance in sewage is in the flocculation stage in early stage, and turbulent fluctuation is little on the impact of flocculation.Due to the effect of ascending gas, can accelerate coalescence and the lift velocity of flco, thereby accelerate the formation of suspended layer.Gas-water mixer effect is that medicament is fully mixed with sewage, the floating thereby acceleration flco is grown up.
In described gas-water mixer, pass into pressurized air, nitrogen or ozone.If what gas was used is air or ozone, can also play oxygenizement, the organism in sewage is degraded, thereby COD is reduced.
Described suspended layer filtrating area is uniform overflow settling vessel centered by device medullary ray.Equally distributed overflow settling vessel is in order to keep the stable and balance of suspended layer.Form after suspended layer, part flco can continue to rise, while arriving flco blocker, can be blocked, further expand suspended layer, along with the continuous rising of flco, suspended layer constantly thickens, while arriving overflow settling vessel entrance, suspended layer can fall into suspended layer settling vessel, at the bottom of further sinking to tank, thereby reaches running balance.While arriving suspended layer containing suspended substance oily(waste)water flco after dosing, the impurity such as large suspensoid particle, flco can be tackled by suspended layer absorption, and water can see through suspended layer, thereby realize filteration.
Because suspended sludge layer is comprised of flco, density is high, filtration efficiency is filtered higher than conventional sand grains layer far away, the resistance of its filtration is very little, so energy consumption is well below conventional sand filtration, micro-filtration or reverse osmosis membrane filtration, suspended layer is from upgrading in constantly, can not carry out supplementing of backwashing procedures that general filtration must carry out and filtrate.
Described flco blocker is comprised of catch net or packing layer.Described catch net consists of metal or nonmetal net; Described packing layer consists of gac or plastics.Flco blocker is for tackling flco, the oil droplet of crossing suspended layer.Because gas density is little, the gas entering by gas-water mixer can see through flco blocker automatically, reduces the obstruction of flco blocker simultaneously.
Described flco blocker is packed up or is opened by the mechanism at device top, when flco density less, suspended layer filter effect is bad or in setting regions, do not form suspended layer, top has scum silica frost to occur, go out water suspension content when not up to standard, flco blocker can be opened, by the flco interception through suspended layer.
Between described flocculation blocker and overflow settling vessel, suspended layer waste pipe is set.When the salinity because of sewage is high, density is while causing greatly suspended layer not sink, can discharge by suspended layer waste pipe.The top of described flocculation blocker is provided with backwash tube.When flco intercept layer reaches certain thickness, while affecting the seeing through of water, can enable backwash tube, by suspended layer waste pipe, discharge simultaneously.
In described coalescent district, being provided with coalescer, is in order to collect the oil droplet through suspended layer.Described coalescer is oleophylic coalescent pack or coalescing-plate.While arriving coalescent pack layer through the oil droplet of suspended layer, because the lipophilicity oil droplet of filler is adsorbed the coalescence of growing up, the oil droplet of growing up while reaching balance can float and form oil reservoir and discharge through oil exit pipe.
Compare with prior art scheme, the utlity model has following beneficial effect:
The utility model by flocculation, air supporting, oxidation, suspended layer filter, coalescent, filter and be combined as a whole, be provided with flco intercept layer, reserve filter and a plurality of overflow settling vessel, processing efficiency is high, form that filtering layer is fast, strong adaptability, flexible operation are stable, be suitable for the various suspended substance sewage disposals that contain, be especially suitable for existing similar technology and be difficult to the high salinity adapting to, the suspension filter of high-density oily(waste)water; Energy consumption is low, and floor space and less investment, working cost are low.
Accompanying drawing explanation
Fig. 1 is the functional zone schematic diagram of device described in the utility model, wherein, (a) is front view, is (b) that A-A is to view;
Fig. 2 is flco blocker collapsed state schematic diagram;
Fig. 3 is oil-contaminated water air-float suspended layer filtration unit schematic diagram.
In figure: 1-mixing wastewater with air district; 2-mud concentration zones; 3-filtrating area; 4-suspended layer filtrating area; 5-back taper flocculation zone; 6-settling section; The coalescent district of 7-; 8-clear water zone; 9-oil slick district; 10-gas-water mixer; The import of 11-sewage; 12-gas inlet; 13-mud discharging mouth; 14-filter outlet; 15-filter inlet; 16-lower floor clear water output; 17-overflow settling vessel; 18-suspended layer discharge outlet; 19-suspended layer porthole; 20-reverse taper; 21-flco blocker; 22-back flushing mouth; 23-backwash tube; 24-clear water output; 25-oil trap; 26-water leg; 27-oil export; 28-venting port; 29-strainer; 30-coalescer.
Below the utility model is further described.But following example is only simple and easy example of the present utility model, do not represent or limit rights protection scope of the present utility model, protection domain of the present utility model is as the criterion with claims.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
For the utility model is described better, be convenient to understand the technical solution of the utility model, typical but non-limiting embodiment of the present utility model is as follows:
As shown in Figure 1-Figure 3, an oil-contaminated water air-float suspended layer filtration unit, described device comprises mixing wastewater with air district 1, back taper flocculation zone 5, suspended layer filtrating area 4, flco blocker 21, settling section 6, coalescent district 7, clear water zone 8 and oil slick district 9 from bottom to up successively; Described suspended layer filtrating area 4 is uniform a plurality of overflow settling vessels 17 centered by device medullary ray.
Described device also comprise be positioned at bottom mud concentration zones 2, be positioned at bottom filtrating area 3.
In described mixing wastewater with air district 1, be provided with gas-water mixer 10; Described gas-water mixer 10 is comprised of filler or traverse baffle; In described gas-water mixer 10, pass into air, nitrogen or ozone.
Described back taper flocculation zone 5 is formed by reverse taper 20.
Described flco blocker 21 is comprised of catch net or packing layer.Described catch net consists of metal or nonmetal net; Described packing layer consists of gac or plastics.
Described flco blocker 21 is packed up or is opened by the mechanism at device top.
Between described flocculation blocker 21 and overflow settling vessel 17, suspended layer waste pipe is set.
The top of described flocculation blocker 21 is provided with backwash tube 23.Accompanying drawing 2 show flco blocker 21 as required the mechanism at use device top pack up, backwash tube 23 is positioned at flco blocker 21 centers, does not affect its folding and unfolding.
In described coalescent district 7, be provided with coalescer 30; Described coalescer 30 is oleophylic coalescent pack or coalescing-plate.
The working process of oil-contaminated water air-float suspended layer filtration unit described in the utility model is specific as follows:
Add oil-containing after flocculation agent, coagulant aids and sterilant, containing suspended substance, and the sewage that has a certain pressure 12 enters together gas-water mixer 10 and mixes from sewage import 11, pressurized gas (air, nitrogen or ozone) from gas inlet, stirring and the changing flow direction because of gas, cause stronger turbulent fluctuation, medicament is mixed with contaminant particle, water, gas three-phase, at this moment the suspended substance in sewage is in the flocculation stage in early stage, and turbulent fluctuation is little on the impact of flocculation; Gas forms countless bubble nucleus by pollutent flco, and these nucleus are grown directly upon among flco, makes the rapid coalescence of tiny flco, and along with flocculation is constantly carried out, flco is increasing.
Mixture flow is when back taper flocculation zone 5, and because section constantly expands, flow velocity progressively reduces, and flow start to be tending towards Slow and, in the process that the flco being shaped in flocculation constantly rises, part flco density is increasing, flow velocity is more and more less, finally reaches the balance that rises and decline, and forms suspended layer.Part flco can continue to rise, and while arriving flco blocker 21, can be blocked, and further expands suspended layer.Along with the continuous rising of flco, suspended layer constantly thickens, and while arriving overflow settling vessel 17 entrance, suspended layer can fall into overflow settling vessel 17, and further sinkage equipment bottom, regularly discharges from mud discharging mouth 13, thereby reach running balance.While arriving suspended layer containing suspended substance oily(waste)water flco after dosing, the impurity such as large suspensoid particle, flco can be tackled by suspended layer absorption, and water can see through suspended layer, thereby realize filteration.When the salinity because of sewage is high, density is while causing greatly suspended layer not sink, can, by suspended layer waste pipe from 18 discharges of suspended layer discharge outlet, can observe by 19 pairs of suspended layers of suspended layer porthole.
The short grained flco of part and oil droplet can pass suspended layer, but flco blocker 21 can be tackled, and part oil droplet can rise through continuing.When intercept layer reaches certain thickness, while affecting the seeing through of water, can enable backwash tube 23, from back flushing mouth 22, carry out back flushing, simultaneously by suspended substance from 18 discharges of suspended layer discharge outlet.While passing the oil droplet arrival coalescer 30 of suspended layer, because the lipophilicity oil droplet of filler is adsorbed the coalescence of growing up, the oil droplet of growing up while the reaching balance formation oil reservoir that can float, concentrates in oil trap 25 and discharges through oil export 27, and the water after purification concentrates in water leg 26 and flows out from clear water output 24.If below standard, can, from the strainer 29 of filter inlet 15 access to plant bottoms, will after residual suspended substance and oily Filtration Adsorption, from filter outlet 14, discharge.When absorption water outlet is defective, enable back-washing valve, strainer 29 back flushinges are processed.
The top of device described in the utility model is also provided with venting port 28, discharges the gas that bottom passes into, and keeps normal pressure.
Lower floor's clear water output 16 is for discharging the upper strata clear water of mud concentration zones, bottom.
Applicant's statement, the utility model illustrates detailed structure feature of the present utility model and method by above-described embodiment, but the utility model is not limited to above-mentioned detailed structure feature and method, do not mean that the utility model must rely on above-mentioned detailed structure feature and method could be implemented.Person of ordinary skill in the field should understand; to any improvement of the present utility model; to the selection of the increase of the equivalence replacement of the selected parts of the utility model and accessory, concrete mode etc., within all dropping on protection domain of the present utility model and open scope.
More than describe preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present utility model, also can carry out arbitrary combination, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. an oil-contaminated water air-float suspended layer filtration unit, is characterized in that, described device comprises mixing wastewater with air district (1), back taper flocculation zone (5), suspended layer filtrating area (4), flco blocker (21) and coalescent district (7) from bottom to up successively; In described suspended layer filtrating area (4), be provided with a plurality of overflow settling vessels (17).
2. device as claimed in claim 1, is characterized in that, described device also comprises mud concentration zones (2) and filtrating area (3) that are positioned at bottom.
3. device as claimed in claim 2, is characterized in that, between described flco blocker (21) and coalescent district (7), is settling section (6); Top, described coalescent district (7) is also provided with clear water zone (8) and oil slick district (9).
4. device as claimed in claim 1 or 2, is characterized in that, is provided with gas-water mixer (10) in described mixing wastewater with air district (1); Described gas-water mixer (10) is comprised of filler or traverse baffle.
5. device as claimed in claim 1, is characterized in that, described flco blocker (21) is comprised of catch net or packing layer; Described catch net consists of metal or nonmetal net; Described packing layer consists of gac or plastics.
6. device as claimed in claim 5, is characterized in that, described flco blocker (21) is packed up or opened by the mechanism at device top.
7. device as claimed in claim 6, is characterized in that, between described flocculation blocker (21) and overflow settling vessel (17), suspended layer waste pipe is set.
8. device as claimed in claim 7, is characterized in that, the top of described flocculation blocker (21) is provided with backwash tube (23).
9. device as claimed in claim 1, is characterized in that, is provided with coalescer (30) in described coalescent district (7); Described coalescer (30) is oleophylic coalescent pack or coalescing-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038454.3U CN203820565U (en) | 2014-01-21 | 2014-01-21 | Oily sewage air floatation suspension layer filtering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038454.3U CN203820565U (en) | 2014-01-21 | 2014-01-21 | Oily sewage air floatation suspension layer filtering device |
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| CN203820565U true CN203820565U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420038454.3U Expired - Fee Related CN203820565U (en) | 2014-01-21 | 2014-01-21 | Oily sewage air floatation suspension layer filtering device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103787527A (en) * | 2014-01-21 | 2014-05-14 | 碧海舟（北京）石油化工设备有限公司 | Oily sewage air floatation suspension layer filtering device |
| CN106731205A (en) * | 2016-12-30 | 2017-05-31 | 吉林省宏君超滤设备有限公司 | Gravitational method processes oil extraction-generated waste water device and its technique |
| CN109879467A (en) * | 2016-06-12 | 2019-06-14 | 煤科集团杭州环保研究院有限公司 | Sludge condensation separator for treating mine drainage |
-
2014
- 2014-01-21 CN CN201420038454.3U patent/CN203820565U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103787527A (en) * | 2014-01-21 | 2014-05-14 | 碧海舟（北京）石油化工设备有限公司 | Oily sewage air floatation suspension layer filtering device |
| CN109879467A (en) * | 2016-06-12 | 2019-06-14 | 煤科集团杭州环保研究院有限公司 | Sludge condensation separator for treating mine drainage |
| CN109879467B (en) * | 2016-06-12 | 2021-12-24 | 中煤科工集团杭州研究院有限公司 | Sludge concentration and separation device for mine water treatment |
| CN106731205A (en) * | 2016-12-30 | 2017-05-31 | 吉林省宏君超滤设备有限公司 | Gravitational method processes oil extraction-generated waste water device and its technique |
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