CN202400923U - Ultrasonic coalescence air floating oil removal device - Google Patents
Ultrasonic coalescence air floating oil removal device Download PDFInfo
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- CN202400923U CN202400923U CN2011204421853U CN201120442185U CN202400923U CN 202400923 U CN202400923 U CN 202400923U CN 2011204421853 U CN2011204421853 U CN 2011204421853U CN 201120442185 U CN201120442185 U CN 201120442185U CN 202400923 U CN202400923 U CN 202400923U
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- 238000004581 coalescence Methods 0.000 title abstract description 35
- 238000007667 floating Methods 0.000 title abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000005188 flotation Methods 0.000 claims abstract description 30
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000000839 emulsion Substances 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims description 14
- 238000005345 coagulation Methods 0.000 claims description 12
- 230000015271 coagulation Effects 0.000 claims description 12
- 230000005587 bubbling Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 230000009514 concussion Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 239000010865 sewage Substances 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 70
- 238000000034 method Methods 0.000 description 14
- 239000002699 waste material Substances 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000007787 solid Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000004523 agglutinating effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000009300 dissolved air flotation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The utility model discloses an ultrasonic coalescence air floating oil removal device which mainly consists of an ultrasonic pulse emulsion breaking area, a coalescence packing area and an air floating area and is characterized in that a coalescence principle and an air floating principle are combined, and an ultrasonic technology is introduced into a separator. After a finned tube connected with an ultrasonic transducer is arranged on a water distribution board, and a pulse signal transmitted by an ultrasonic pulse generator is converted by the ultrasonic transducer, ultrasonic pulse oscillation is generated and is transmitted to the finned tube through a connecting pipe, and uniformly-distributed ultrasonic release fields are formed among fins. The ultrasonic coalescence air floating oil removal device has the beneficial effects that by utilizing the ultrasonic emulsion breaking coalescence effect and in combination with the coalescence capability of a coalescent pack, the coalescence capability of oil drops is increased, and the oil-water separation efficiency is improved; and the oil drops with finer grain sizes are subjected to further flotation separation by utilizing dissolved gas water containing tiny bubbles generated by a gas-liquid multi-phase dissolved gas pump. The ultrasonic coalescence air floating oil removal device has the advantages of reasonable structure and remarkable oily sewage treatment effect.
Description
Technical field
The utility model discloses a kind of ultrasonic coagulation oil removal by air bubbling device, be applicable to the oily water separation field of various oily(waste)waters such as oil refining sewerage.
Background technology
The source of oily(waste)water is very wide, in the production process of oil recovery, oil refining, store oil, transportation and the petrochemical industry of petroleum industry, all can produce a large amount of oily(waste)waters.And it is bigger in the oil recovery process of oil field, to produce the oily waste water water yield, and this is the basic water flooding recovery mode that adopts owing to recover the oil in present most of oil field, and along with the oil field gets into late high water content period, the extraction water yield also increases substantially, and also certainly will cause the increase of the oily waste water water yield.
The treatment process of oily(waste)water can be divided into four big types by principle: physics method (gravity separation, spinning, coarse, filtration, membrane sepn etc.); Physico-chemical processes (flotation, absorption, electrolysis etc.); Chemical method (condense, saltout, chemical oxidation etc.); Biochemical process (active sludge, biological filter etc.).In recent years,, attach most importance to, developed a series of efficient polymer-containing wastewater treatment process with treatment technologies such as sedimentation, coalescence and flotation to the polymer-containing wastewater characteristics.In order to adapt to the sewage drainage standard of increasingly stringent, small-sized efficient multifunctional all sewage disposal device will become research emphasis.
UW is a kind of high frequency mechanical wave, and its frequency is generally 2 * 10
4~ 5 * 10
8Between the Hz, have characteristics such as concentration of energy, penetration power be strong.Agglomeration effect, hole or cavitation effect can take place in UW in water.When UW passes through oily(waste)water, cause tiny oil droplets to vibrate with water.But since the particle that varies in size have different relative vibration velocities, oil droplet will collide each other, bonding, the volume of oil droplet is increased.Subsequently, because particle has become greatly, can not can only do random motion with acoustic vibration.Medium and small oil droplet cohesion of last water and come-up, oil-water separation is good.Coalescent pack utilizes its coalescence performance, makes tiny elaioleucite be agglomerated into big elaioleucite on its surface, and under buoyancy and water impact, the elaioleucite that particle diameter increases breaks away from the coarse material surface and floats.Flotation process is bubbling air or other gas generation micro bubble in water; Make some tiny suspension oil droplets and solid particulate in the water attached on the bubble; Make the buoyancy increase and form scum silica frost, use suitable waste-oil scavenger that oil is removed then with floating to the water surface on the bubble.Mainly be used for handling the dispersed oil, oil in water emulsion and the tiny suspended solids that are difficult to remove by gravity separation in the oily(waste)water.
CN2672039Y discloses a kind of agglomerated air floatation oil eliminator; This oil eliminator collection filler degreasing technique, air supporting blanking oil tech are combined in the pressure horizontal container; Replaced traditional natural subsidence storage tank, coagulant precipitation to remove oil tank, coagulation swash plate and removed oil tank, transverse flow oily(waste)water oil eliminator, air supporting and select oil eliminator, realized equipment assemblingization, integrated, simplified technical process, reduced equipment volume and total floor space.But because the dissolved air flotation oil droplet size is similar with coalescing element even littler, so the coalescing element deoiling effect after this oil eliminator air supporting choosing is not obvious.
CN101829439A has proposed a kind of ultrasonic coagulation type three-phase separator, utilizes ultrasonic technology to adopt crude oil to three and strengthens crude oil demulsification coalescence effect.It is simple in structure, and is easy to operate, effectively improves the breakdown of emulsion efficient of emulsion splitter, reduces the emulsion splitter consumption, reduces running cost.But two groups of swash plate groups in this separator are identical, and its coalescence oil droplet ability is in full accord, and therefore, the second swash plate group DeGrain can not be regarded the secondary coalescence as, and deoiling effect is relatively poor relatively.
Cui Yueling (decision-making management, 2007 the 23rd volumes, 52) has reported for work " the coagulation type dissolved air flotation process is used for the analysis of polymer-containing sewage in oil field deoiling effect "; When oily(waste)water gets into the agglomerated air floatation device, carry out the profit pre-separation earlier, feed quantitative gas-liquid mixture simultaneously; After getting into flotation cell; Gas expansion in the gas-liquid mixture forms a large amount of small bubbles, carries on part oil droplet and the suspended substance and floats to the water surface, and remaining oil and suspended substance advance people's coalescent pack bed downwards with sewage; Little oil droplet coalescence come-up, and then be collected and deliver in the oil sump.Need not add chemical agent in the treating processes, equipment takes up an area of little, and treatment effect is good.But this device only just gets into air flotation zone after the one-level coalescence, coalescence district deoiling effect is relatively poor relatively, brings bigger burden to oil removal by air bubbling.
Summary of the invention
To the deficiency of prior art, the utility model provides a kind of ultrasonic coagulation oil removal by air bubbling device.Compared with prior art, the utility model combines coalescence and air supporting principle, and ultrasonic technology is introduced in the separator.Utilize the ultrasonic dehydration coalescence effect, and combine the coalescence function of coalescent pack, increase the agglutinating power of oil droplet, improve oily water separation speed.The dissolved air water that contains micro-bubble that utilizes the heterogeneous air dissolved pump of gas-liquid to produce again carries out further flotation separation to tiny oil droplets.
A kind of ultrasonic coagulation oil removal by air bubbling device; Comprise the pond body; One end of pond body is provided with water-in, and the other end relative with water-in sets out the mouth of a river, it is characterized in that: in the body of pond, set gradually ultrasonic pulse system, coalescent pack district and air-flotation system along water (flow) direction.
In the utility model, the water inlet is provided with uniform board.
In the utility model, air-flotation system comprises the flotation separation zone, and the bottom, flotation separation zone is provided with a plurality of equally distributed water outlets.
In the utility model, the ultrasonic pulse system comprises ultrasonic transducer and ultrasonic pulse generator, and the finned tube that is connected on the ultrasonic transducer is arranged on after the uniform board; The pulse signal that ultrasonic pulse generator sends produces the ultrasonic pulse concussion after transverter is changed, pass to finned tube through pipe connecting, between fin, forms the UW that is evenly distributed and discharges the field.
In the utility model, ultrasonic pulse system bottom is provided with taper sludge hopper and mud discharging mouth.
In the utility model, the coalescent pack district is installed with pipe prescription formula arranged vertical by a plurality of oleophilicity PP composite material perforated pipes, and pipe group bottom is provided with the taper sludge hopper.
In the utility model, the coalescent pack district adopts sealed space bar in the upper and lower.
In the utility model, the ultrasonic frequency that the ultrasonic pulse system sends is 20 ~ 30 kHz; The ultrasonic power density that the ultrasonic pulse system sends is 40 ~ 80W/m
3The ultrasonic emulsion breaking treatment time that the ultrasonic pulse system carries out is 20 ~ 40 min.
In the utility model, the PP composite material in coalescent pack district perforation vertical tube diameter is 30 ~ 80 mm, and penetration hole diameter is 10 ~ 15 mm on the pipe.
In the utility model, air-flotation system adopts the heterogeneous air dissolved pump of gas-liquid as reflux pump.
In the utility model; Air-flotation system adopts the heterogeneous air dissolved pump of gas-liquid as reflux pump, and gas directly sucks at the pump inlet pipeline, utilizes the special blade wheel structure of the heterogeneous air dissolved pump of gas-liquid; In pump, producing the gas-liquid two-phase in the process of build-up pressure mixes fully and reaches capacity; The multi-stage impeller of high speed rotating repeatedly cuts into small bubbles with inhaled air, and in the hyperbaric environment of the small bubbles after will cutting in pump moment be dissolved in the backflow sewage, tiny suspension oil droplet of some in the water and solid particulate are attached on the bubble; Form scum silica frost with floating to the water surface on the bubble, thereby accomplish oily water separation.In coalescent pack district and air flotation zone space bar is set, the space bar upper end is higher than liquid level, and space bar lower end and pond body bottom have certain interval, and water can be flow through.Space bar right side (right side is promptly along the downstream of water (flow) direction) is provided with traverse baffle, and the no gap of traverse baffle and pond body bottom is lower than space bar on the traverse baffle.The dissolved air water import is preferably disposed between space bar and the traverse baffle.
The beneficial effect that the utlity model has is that this oil removal plant collection UW degreasing technique, filler degreasing technique and air supporting blanking oil tech are combined; Replace traditional natural subsidence to remove oil tank, coalescence degreaser, air supporting and selected oil eliminator, realized the assemblingization, integrated, simple in structure of equipment; Easy to operate; Improve oil removal efficiency, simplified technical process, reduced floor space.Compared with prior art, the utility model combines coalescence and air supporting principle, and ultrasonic technology is introduced in the separator.Utilize the ultrasonic dehydration coalescence effect, and combine the coalescence function of coalescent pack, increase the agglutinating power of oil droplet, improve oily water separation speed.The dissolved air water that contains micro-bubble that utilizes the heterogeneous air dissolved pump of gas-liquid to produce again carries out further flotation separation to tiny oil droplets.
Description of drawings
Fig. 1 is a kind of ultrasonic coagulation oil removal by air bubbling apparatus structure synoptic diagram;
Fig. 2 is a kind of plan structure synoptic diagram of ultrasonic coagulation oil removal by air bubbling device;
Fig. 3 is a coalescent pack plot structure synoptic diagram.
Wherein: 1-pond body, 2-hyperacoustic zone, 3-coalescence district, 4-air flotation zone, 5-water-in, 6-water port; The 7-sludge hopper, 8-mud discharging mouth, the import of 9-dissolved air water, 10-finned tube, 11-pipe connecting, 12-ultrasonic transducer; The 13-ultrasonic pulse generator, 14-uniform board, 15-coalescent pack group, 16-slag receiving trough, 17-oil discharge outlet, 18-baffle plate; The 19-water outlet, 20-slag-drip opening, 21-space bar, 22-coalescence district mud discharging mouth, 23-baffle, 24-coalescence district sludge hopper.
Embodiment
The utility model ultrasonic coagulation air-floating apparatus comprises the pond body, and an end of pond body is provided with water-in, and the other end relative with water-in sets out the mouth of a river, in the body of pond, sets gradually ultrasonic pulse system, coalescent pack district and air-flotation system along water (flow) direction.
In the utility model, the water inlet is provided with uniform board, and Liquid Distribution is even, and effluent adopting is provided with a plurality of equally distributed water outlet drainings in the bottom, flotation separation zone.
In the utility model; Being connected finned tube on the ultrasonic transducer is arranged on into after the water uniform board; The pulse signal that ultrasonic pulse generator sends produces the ultrasonic pulse concussion after the transverter conversion; Pass to finned tube through pipe connecting, between fin, form the UW that is evenly distributed and discharge the field.Ultrasonic pulse system bottom is provided with taper sludge hopper and mud discharging mouth.
In the utility model, the coalescence district is installed with pipe prescription formula arranged vertical by a plurality of oleophilicity PP composite material perforated pipes, and pipe group bottom is provided with the taper sludge hopper.The coalescent pack district has 3 D stereo vertical fixing duct, and water (flow) direction is all vertical with oil droplet buoyance lift direction and sludge settling direction.The oleophilicity of tube surfaces and the interfacial effect of circular pipe have all been accelerated the oil droplet ascent rate greatly, and simultaneously mud and solid particulate move to the bottom of coalescent pack, finally fall into the taper sludge hopper and are discharged by mud discharging mouth.Sealed space bar is adopted in coalescent pack group upper and lower.Also has certain separated space behind the coalescent pack district.
In the utility model, ultrasonic frequency is 20 ~ 30 kHz; Ultrasonic power density is 40 ~ 80W/m
3The ultrasonic emulsion breaking treatment time is 20 ~ 40 min.
In the utility model, coalescence district Vestolen PP 7052 perforation vertical tube diameter is 30 ~ 80 mm, best 50 mm, and penetration hole diameter is 10 ~ 15 mm on the pipe, the best is 12 mm.
UW oil removing mechanism is when UW passes through oily(waste)water, causes tiny oil droplets to vibrate with water.But since the particle that varies in size have different relative vibration velocities, oil droplet will collide each other, bonding, the volume of oil droplet is increased.Subsequently, because particle has become greatly, can not can only do random motion with acoustic vibration.Medium and small oil droplet cohesion of last water and come-up.Coalescent deoiling mechanism is when being dispersed in oil droplet in the external phase water through coalescent pack, forms oil film through effects such as coalescent pack surface adsorption, wetting, collision and coalescences, from water, separates.Air flotation zone discharges dissolved air water through the heterogeneous air dissolved pump of gas-liquid in water, make some tiny suspension oil droplets and solid particulate in the water attached on the bubble, forms scum silica frost with floating to the water surface on the bubble, thereby accomplishes oily water separation.
As shown in Figure 1, comprise hyperacoustic zone 2, coalescence district 3, air flotation zone 4 in the pond body 1 of ultrasonic coagulation oil removal by air bubbling device; The pond body is provided with water-in 5, water port 6, oil discharge outlet 17, slag-drip opening 20.Oily(waste)water is by in the water-in 5 entering ponds, and sewage viscosity is 2 mPas, and initial oleaginousness is 1864 mg/L.Oily(waste)water is through uniform board 14 entering hyperacoustic zones; In the hyperacoustic zone, ultrasonic pulse generator 13 sends pulse signal, after ultrasonic transducer 12 conversions, produces the ultrasonic pulse Sasser; Reach in the finned tube 10 through pipe connecting 11, between fin, form the UW that is evenly distributed and discharge the field.Using ultrasonic frequency is 25 kHz, power 800 W, and the ultrasonic emulsion breaking treatment time is 30 min.Under the UW effect, oil droplet collides each other, bonding, be agglomerated into larger oil droplet, quickened oily water separation.Solid particulate falls into the taper sludge hopper 7 that the bottom, hyperacoustic zone is provided with, and is discharged by mud discharging mouth 8.Sewage flows to coalescence district 3, and upper and lower, coalescence district is provided with closed space bar 21, to prevent the water flow short-circuit.Coalescent pack group 15 is installed in the water-and-oil separator with pipe prescription formula arranged vertical by a plurality of oleophilicity PP composite material perforated pipes, has 3 D stereo vertical fixing duct, and water (flow) direction is all vertical with oil droplet buoyance lift direction and sludge settling direction.The oleophilicity of tube surfaces and the interfacial effect of circular pipe have all been accelerated the oil droplet ascent rate greatly; Oil droplet moves to top; Discharge by oil discharge outlet 17; Simultaneously mud and solid particulate move to the bottom of coalescent pack, finally fall into coalescence district taper sludge hopper 24 and are discharged by coalescence district mud discharging mouth 22.After this sewage flows into air flotation zone 4 through baffle plate 18 and baffle 23.Air-flotation system adopts the heterogeneous air dissolved pump of gas-liquid as reflux pump; Gas directly sucks at the pump inlet pipeline; Utilize the special blade wheel structure of the heterogeneous air dissolved pump of gas-liquid, in pump, produce the gas-liquid two-phase in the process of build-up pressure and mix fully and reach capacity, the multi-stage impeller of high speed rotating repeatedly cuts into small bubbles with inhaled air; And in the hyperbaric environment of the small bubbles after will cutting in pump moment be dissolved in the backflow sewage, enter in the air flotation zone by dissolved air water import 9.Tiny suspension oil droplet of in the water some and solid particulate form scum silica frost attached on the bubble with floating to the water surface on the bubble, separate thereby accomplish solid, liquid.Scum silica frost flows into slag receiving trough 16 and is discharged by scum pipe 20.Rising pipe 6 is arranged on the bottom of air flotation zone 4, and the part that is positioned at air flotation zone 4 bottoms of rising pipe 6 comprises a plurality of equally distributed water outlets 19.
Claims (10)
1. ultrasonic coagulation oil removal by air bubbling device; Comprise the pond body; One end of pond body is provided with water-in, and the other end relative with water-in sets out the mouth of a river, it is characterized in that: in the body of pond, set gradually ultrasonic pulse system, coalescent pack district and air-flotation system along water (flow) direction.
2. device according to claim 1, it is characterized in that: the water inlet is provided with uniform board.
3. device according to claim 1, it is characterized in that: air-flotation system comprises the flotation separation zone, the bottom, flotation separation zone is provided with a plurality of equally distributed water outlets.
4. device according to claim 2 is characterized in that: the ultrasonic pulse system comprises ultrasonic transducer and ultrasonic pulse generator, and the finned tube that is connected on the ultrasonic transducer is arranged on after the uniform board; The pulse signal that ultrasonic pulse generator sends produces the ultrasonic pulse concussion after transverter is changed, pass to finned tube through pipe connecting, between fin, forms the UW that is evenly distributed and discharges the field.
5. according to claim 1 or 4 described devices, it is characterized in that: ultrasonic pulse system bottom is provided with taper sludge hopper and mud discharging mouth.
6. device according to claim 1 is characterized in that: the coalescent pack district is installed with pipe prescription formula arranged vertical by a plurality of oleophilicity PP composite material perforated pipes, and pipe group bottom is provided with the taper sludge hopper.
7. according to claim 1 or 6 described devices, it is characterized in that: the coalescent pack district adopts sealed space bar in the upper and lower.
8. device according to claim 1 is characterized in that: the ultrasonic frequency that the ultrasonic pulse system sends is 20 ~ 30 kHz; The ultrasonic power density that the ultrasonic pulse system sends is 40 ~ 80W/m
3The ultrasonic emulsion breaking treatment time that the ultrasonic pulse system carries out is 20 ~ 40 min.
9. device according to claim 6 is characterized in that: the PP composite material perforation vertical tube diameter in coalescent pack district is 30 ~ 80 mm, and penetration hole diameter is 10 ~ 15 mm on the pipe.
10. device according to claim 1 is characterized in that: air-flotation system adopts the heterogeneous air dissolved pump of gas-liquid as reflux pump.
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| CN2011204421853U CN202400923U (en) | 2011-11-10 | 2011-11-10 | Ultrasonic coalescence air floating oil removal device |
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Cited By (20)
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| CN102874964A (en) * | 2012-09-24 | 2013-01-16 | 森松(江苏)海油工程装备有限公司 | Novel rotational-flow air-floatation sewage treatment device |
| CN103332820A (en) * | 2013-07-09 | 2013-10-02 | 陈立功 | Oil-water separation method |
| CN104628012A (en) * | 2015-01-12 | 2015-05-20 | 天津大学 | Production method for preparing ammonium sulfate by alkylating waste acid |
| CN106395982A (en) * | 2016-11-30 | 2017-02-15 | 南京右转信息科技有限公司 | Oil-water separator |
| CN106593404A (en) * | 2016-12-26 | 2017-04-26 | 广汉市思科信达科技有限公司 | Ultrasonic crude oil separating treatment system |
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- 2011-11-10 CN CN2011204421853U patent/CN202400923U/en not_active Expired - Lifetime
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|---|---|---|---|---|
| CN102874964A (en) * | 2012-09-24 | 2013-01-16 | 森松(江苏)海油工程装备有限公司 | Novel rotational-flow air-floatation sewage treatment device |
| CN102874964B (en) * | 2012-09-24 | 2013-12-11 | 森松(江苏)海油工程装备有限公司 | Novel rotational-flow air-floatation sewage treatment device |
| CN103332820A (en) * | 2013-07-09 | 2013-10-02 | 陈立功 | Oil-water separation method |
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