CN101972559A - Oil-water separating device and method - Google Patents
Oil-water separating device and method Download PDFInfo
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- CN101972559A CN101972559A CN 201010513554 CN201010513554A CN101972559A CN 101972559 A CN101972559 A CN 101972559A CN 201010513554 CN201010513554 CN 201010513554 CN 201010513554 A CN201010513554 A CN 201010513554A CN 101972559 A CN101972559 A CN 101972559A
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Abstract
The invention discloses oil-water separating device and method. The oil-water separating device comprises a swirler and a horizontal type agglutinating oil-water separator, wherein a bottom flow pipe of the swirler is in a U shape; the horizontal type agglutinating oil-water separator has the liquid uniform distributing function; an inlet liquid distributor, a rectifying sieve plate, a stainless steel plate ripple filler, a polypropylene gauze ripple filler, an outlet liquid collector, and the like are sequentially arranged in the horizontal type agglutinating oil-water separator, and the stainless steel plate ripple filler and the polypropylene gauze ripple filler are fixed by a limit grid plate; the U-shaped bottom flow pipe of the swirler and a filter screen arranged in the swirler can filter a small number of solid impurities contained in liquid so as to prevent the blockage of agglutinated fillers; the inlet liquid distributor and the outlet liquid collector ensure that the liquid is uniformly distributed; the rectifying sieve plate reduces the flow rate of the liquid to form lamellar flow; the stainless steel plate ripple filler provides a place for agglutinating and separating oil drops; and the polypropylene gauze ripple filler with an air floating device can further agglutinate and separate residual fine oil drops. The combination simultaneously has the effects of whirl, agglutination and air floatation and can realize the deep separation of oil and water.
Description
Technical field
The present invention relates to the liquid separation technology field, oily-water seperating equipment and oil-water separation method are provided, particularly a kind of oil water separator that is used to handle oil field mining liquid.
Background technology
Existing oily water separation technique mainly contains sedimentation, centrifugal separation, coalescent method, air supporting method, flocculence etc., and oily water separating equipment commonly used has swash plate oil expeller, degreaser cyclone, oil and water separation bygranulation device, oil removal by air bubbling device etc. in the industry of designing under this instructs.These devices respectively have pluses and minuses, and all things considered deoiling effect is undesirable, have overstand, can not the degree of depth remove small particle diameter oil droplet (as oil emulsion, dissolved oil), filler easily stops up, produces mud and causes secondary pollution problems.The equipment research staff is many to start with from the water-oil separating link, as develop new filler new medicament or design new separating member and multiple separation equipment applied in any combination etc., and often ignored the equally distributed link of fluid, be that separated liquid need be evenly distributed in separation equipment import and export and device interior, reduce the generation of short circuit phenomenon as far as possible, the less laminar condition that reaches of flow velocity, thus guarantee that the device interior space makes full use of, and improves separative efficiency.
Summary of the invention
The objective of the invention is to overcome the above-mentioned shortcoming of existing oily water separating equipment, provide that a kind of liquid distribution is even, filler is difficult for obstruction, deep removal small particle diameter oil droplet, oily water separating equipment and method that the fast separative efficiency of separating rate is high, has eddy flow, coalescent, pneumatically supported separating effect simultaneously.
The present invention is achieved by the following technical solutions:
A kind of oily-water seperating equipment of the present invention comprises a U-shaped cyclone and a horizontal coalescent oil-water separator, and the liquid outlet of cyclone U-shaped underflow pipe is communicated with the inlet of horizontal coalescent oil-water separator; Horizontal coalescent oil-water separator inside is docile and obedient preface and is provided with inlet liquid distributor, rectification sieve plate, the coalescent district of corrosion resistant plate ripple packing, the coalescent district of polyacrylic fibres corrugated wire gauze packing and outlet liquid trap, and wherein coalescent district of corrosion resistant plate ripple packing and both sides, the coalescent district of polyacrylic fibres corrugated wire gauze packing are fixed with spacing screen respectively; The oil exit pipe that the medium position at horizontal coalescent oil-water separator top and terminal position are respectively arranged with gathering room I and gathering room II and are communicated with two gathering rooms, two gathering room tops are respectively arranged with two evacuated tube; Bottom, the coalescent district of polyacrylic fibres corrugated wire gauze packing is provided with gas generator; Horizontal coalescent oil-water separator end is provided with and exports the drainpipe that liquid trap is communicated with; Distance between distance, rectification sieve plate and the coalescent district of corrosion resistant plate ripple packing between inlet liquid distributor and the rectification sieve plate is all in right amount little, is about the sixtieth to a thirtieth of horizontal cylinder length; Promptly below gathering room I, be provided with buffering area in the middle of two coalescent districts of filler; Right side, the coalescent district of polyacrylic fibres corrugated wire gauze packing promptly is provided with the water-oil separating district below gathering room II, the outlet liquid trap promptly is installed in the water-oil separating district.
The cyclone underflow pipe is arranged to U-shaped; The interior upwards knee of U-shaped underflow pipe is provided with filter screen, and the bottom is provided with sludge hopper and mud discharging mouth over against the below of filter screen.
The inlet liquid distributor is provided with the main of two vertical connections and takes over, wherein main communicating pipe of taking over I as cyclone underflow pipe liquid outlet and horizontal coalescent oil-water separator inlet, main I of adapter and the main top vertical connection of taking over II; The main adapter on the II evenly is provided with some side joint pipes, and side joint Guan Junyu master takes over the II vertical connection; Side joint pipe and the main II right flank of taking over promptly are provided with some apertures towards the one side of coalescent pack, and the aperture reduces to arrange from the top down gradually.
The rectification sieve plate is provided with a large amount of apertures, and the aperture reduces to arrange from top to bottom gradually.
The outlet liquid trap is identical with inlet liquid distributor structure, just the first half is removed, and makes its setting height(from bottom) be lower than cylinder top, reserves one section space above it and is used for assembling isolated oil.The height that removes the part height and be the liquid trap superjacent air space should be definite according to the volume content of oil and water in the pending mixed liquor, and the volume ratio of profit is about the height of liquid trap superjacent air space and the ratio of the height of liquid trap in the mixed liquor.The outlet liquid trap is provided with the main adapter of two vertical connections, and wherein the master takes over I directly as the drainpipe of horizontal coalescent oil-water separator, and main I of adapter and master take over the top vertical connection of II; The main II that takes over is provided with some side joint pipes, and side joint Guan Junyu master takes over the II vertical connection; Side joint pipe and the main II left surface of taking over promptly are provided with some apertures towards the one side of coalescent pack, and the aperture reduces to arrange from the top down gradually.
The separation method of oily-water seperating equipment of the present invention, it is characterized in that: pending oil-water mixture enters cyclone from the tangential inlet 3 at cyclone 1 top, liquid is done the high-speed rotational motion in cyclone, oil slick moves upward with the most of light material mutually of wet goods eddy flow that disperses, and discharges from overfall 4; Oil-polluted water and solid impurity move downward U-shaped underflow pipe to cyclone along wall, and liquid enters horizontal coalescent oil-water separator after filtering through filter screen 5, and solid silt then is deposited in the sludge hopper 6, and the mud discharging mouth 7 of regularly opening the sludge hopper bottom is with its discharging; Liquid enters inlet liquid distributor 8 in the horizontal coalescent oil-water separator by entry conductor 23, and the rectification sieve plate 9 of flowing through enters the coalescent district 10 of corrosion resistant plate ripple packing then, and oil droplet is big in the corrugated plating coalescent change in surface, and dispersed oil is well separated with oil emulsion; In buffering area 12, isolated oil is discharged from the gathering room I 13 and the oil exit pipe 21 at horizontal cylinder top; Aqueous phase liquid then continues to flow into the coalescent district 16 of polyacrylic fibres corrugated wire gauze packing, residual tiny oil droplet is big through the full of twists and turns further coalescent change of wire packing, combine floating upward quickly to the coalescent effect of cylindrical shell top formation air supporting with the micro-bubble of generation in the gas generator 15 of cylindrical shell bottom simultaneously, the oil slick in the mixed liquor, dispersed oil, emulsification wet goods overwhelming majority oil just are separated like this; Liquid enters the water-oil separating district 17 of horizontal coalescent oil-water separator end, and oil is discharged from the gathering room II18 and the oil exit pipe 21 at cylindrical shell top, and water then stably flows to discharge outlet 22 discharges by the collection of outlet liquid trap 20.
Adopt oily-water seperating equipment of the present invention to carry out water-oil separating, effect and advantage are: the U-shaped underflow pipe of cyclone and in the filter screen established small amount of solid silt contained in the liquid can be filtered out, thereby avoid stopping up coalescent pack in the horizontal coalescent oil-water separator; Filter screen is arranged on the knee that makes progress in the U-shaped pipe, can effectively avoid the obstruction of solid silt to filter screen; Simultaneously, cyclone carries out initial gross separation to oil-water mixture, and the oil slick in the liquid and most of wet goods that disperses are separated in advance, can alleviate the processing load of horizontal coalescent oil-water separator; Inlet liquid distributor and being provided with of liquid trap of outlet can guarantee that liquid is full of whole horizontal cylinder in the horizontal coalescent oil-water separator, reduce it owing to the gravity effect is deposited on the short circuit phenomenon that the horizontal cylinder below is caused, and reach the effect of even cloth liquid; The incoming flow liquid distribution of further guaranteeing the rectification sieve plate that the aperture reduces to arrange from top to bottom evenly reduces short circuit and makes the flow rate of liquid reduction reach laminar condition; Spacing screen had played not only fixedly filler simultaneously but also the effect that liquid stabilising is flowed; The corrosion resistant plate ripple packing provides the place of oil droplet coarse separation, and oil droplet is big in the corrugated plating coalescent change in surface, and dispersed oil is well separated with oil emulsion; The polyacrylic fibres corrugated wire gauze packing that has air-floating apparatus can be with the residual further coarse separation of tiny oil droplet; More than combination has eddy flow, coalescent, pneumatically supported effect simultaneously, can realize that the degree of depth of profit is separated.
Description of drawings
Fig. 1 is the overall structure schematic diagram of oily-water seperating equipment;
Fig. 2 a is the structural representation of inlet liquid distributor;
Fig. 2 b is the A-A structural representation of inlet liquid distributor;
Fig. 3 a is the structural representation of outlet liquid trap;
Fig. 3 b is the B-B structural representation of outlet liquid trap;
Fig. 4 is the structural representation of rectification sieve plate;
Fig. 5 is the structural representation of current limliting screen;
Among the figure, 1-U shape cyclone, the horizontal coalescent oil-water separator of 2-, 3-U shape cyclone inlet, 4-U shape cyclone overfall, 5-filter screen, 6-sludge hopper, 7-mud discharging mouth, the 8-liquid distributor that enters the mouth,, 9-rectification sieve plate, the coalescent district of 10-corrosion resistant plate ripple packing, the spacing screen of 11-, 12-buffering area, 13-gathering room I, 14-evacuated tube I, 15-gas generator, the coalescent district of 16-polypropylene silk screen filler, 17-water-oil separating district, 18-gathering room II, 19-evacuated tube II, 20-exports liquid trap, 21-oil exit pipe and oil drain out, 22-drainpipe and discharge outlet, 23-inlet liquid distributor master takes over I, and 24-inlet liquid distributor master takes over II, 25-inlet liquid distributor side joint pipe, 26-inlet liquid distributor aperture, 27-outlet liquid trap master takes over I, and 28-outlet liquid trap master takes over II, 29-outlet liquid trap side joint pipe, 30-outlet liquid trap aperture, 31-rectification sieve plate aperture.
The specific embodiment
The present invention is described in further detail with reference to the accompanying drawings below:
Oily-water seperating equipment comprises that a underflow pipe is arranged to cyclone 1 and the horizontal coalescent oil-water separator 2 with the even distributed function of liquid of U-shaped, sees accompanying drawing 1.Wherein, cyclone 1 is as presorting the abscission zone, and horizontal coalescent oil-water separator 2 is as main separation zone, and the liquid outlet of cyclone U-shaped underflow pipe is communicated with the inlet of horizontal coalescent oil-water separator.Horizontal coalescent oil-water separator inside is docile and obedient preface and is provided with inlet liquid distributor 8, rectification sieve plate 9, the coalescent district 10 of corrosion resistant plate ripple packing, the coalescent district 16 of polyacrylic fibres corrugated wire gauze packing and outlet liquid trap 20, and wherein coalescent district 10 of corrosion resistant plate ripple packing and 16 both sides, the coalescent district of polyacrylic fibres corrugated wire gauze packing are fixed with spacing screen 11 respectively; The medium position at horizontal coalescent oil-water separator top and terminal position are respectively arranged with gathering room I 13 and gathering room II18 and 21, two gathering room tops of oil exit pipe of being communicated with two gathering rooms are respectively arranged with evacuated tube I 14 and evacuated tube II 19; Bottom, the coalescent district of polyacrylic fibres corrugated wire gauze packing is provided with gas generator 15; Horizontal coalescent oil-water separator end is provided with and exports the drainpipe 22 that liquid trap 20 is communicated with; Distance between the coalescent district 10 of distance, rectification sieve plate 9 and corrosion resistant plate ripple packing between inlet liquid distributor 8 and the rectification sieve plate 9 is all in right amount little, is about the sixtieth to a thirtieth of horizontal cylinder length; Promptly below gathering room I 13, be provided with buffering area 12 in the middle of two coalescent districts 10,16 of filler; 16 right sides, the coalescent district of polyacrylic fibres corrugated wire gauze packing promptly are provided with water-oil separating district 17 below gathering room II18, outlet liquid trap 20 promptly is installed in the water-oil separating district 17.
The underflow pipe of cyclone 1 is arranged to U-shaped, is communicated with the feed tube as horizontal coalescent oil-water separator with the main adapter I 23 of inlet liquid distributor 8 in the horizontal coalescent oil-water separator 2, sees accompanying drawing 1.The interior upwards knee of U-shaped pipe is provided with filter screen 5, liquid through the cyclone initial gross separation flows in the horizontal coalescent oil-water separator by filter screen, the small amount of solid impurity that is contained in the liquid is filtered like this, thereby avoids stopping up the coalescent pack in the horizontal coalescent oil-water separator.The bottom is provided with sludge hopper 6 and mud discharging mouth 7 over against the below of filter screen in the U-shaped pipe, is used to get rid of solids such as silt.Mud discharging mouth does not carry out continued operation, only needs regularly the silt discharging to be got final product.Being provided with of U-shaped pipe can guarantee that filter screen is difficult for being stopped up by silt.The pre-separation effect of cyclone can reduce the processing load of horizontal coalescing separator.
The structural design of inlet liquid distributor 8 is seen accompanying drawing 2.Liquid distributor is provided with the main of two vertical connections and takes over, and wherein the master takes over the I 23 direct feed tubes that are communicated with cyclone underflow pipe liquid outlet as horizontal coalescent oil-water separator, the main top vertical connection of taking over I and main adapter II 24; The main adapter on the II 24 evenly is provided with some side joint pipes 25, side joint Guan Junyu master takes over the II vertical connection, side joint pipe 25 and the main II of adapter 24 right flanks that are communicated with the side joint pipe promptly evenly are provided with some apertures 26 towards the one side of coalescent pack, and the aperture reduces to arrange from top to bottom gradually.The main I 23 of adapter is contained in the top of the main II 24 of adapter, and there is certain distribution in the aperture of institute's perforate, reduce gradually from top to bottom, can guarantee liquid to be full of whole liquid distributor like this and reduce it to be deposited on the short circuit phenomenon that the horizontal cylinder bottom is caused, reach the effect of even cloth liquid owing to the gravity effect.
The structural design of rectification sieve plate 9 is seen accompanying drawing 4.Have a large amount of apertures 31 on it, the aperture reduces to arrange from top to bottom gradually, guarantees that further the incoming flow liquid distribution evenly reduces short circuit and makes the flow rate of liquid reduction reach laminar condition.Distance between the coalescent district 10 of distance, rectification sieve plate 9 and corrosion resistant plate ripple packing between inlet liquid distributor 8 and the rectification sieve plate 9 is all in right amount little, the sixtieth to a thirtieth that is about horizontal cylinder length, with reduce liquid below horizontal cylinder deposition and cause the generation of short circuit phenomenon, guarantee that liquid is full of the space in the whole horizontal coalescent oil-water separator, effectively separates.
Spacing screen 11 had played not only fixedly filler simultaneously but also the effect that liquid stabilising is flowed, and its structure is seen accompanying drawing 5.
The coalescent district of filler comprises coalescent district 10 of corrosion resistant plate ripple packing and the coalescent district 16 of polyacrylic fibres corrugated wire gauze packing.Enter buffering area 12 after the coalescent district of oil-water mixture process corrosion resistant plate ripple packing 10 coarse separation, isolated oil is discharged from the gathering room I 13 and the oil exit pipe 21 at buffering area top, aqueous phase liquid then continues to enter the coalescent district 16 of polyacrylic fibres corrugated wire gauze packing, and residual tiny oil droplet can utilize the further coalescent change of the full of twists and turns structure of silk screen big.Simultaneously, gas generator 15 is housed, produces a large amount of micro-bubbles, play pneumatically supported effect, accelerated separating rate and strengthened separating effect in this bottom, coalescent district.
Outlet liquid trap 20 is housed in the water-oil separating district 17 of horizontal coalescent oil-water separator end, and its structural design is seen accompanying drawing 3.Outlet liquid trap 20 is identical with inlet liquid distributor 8 structures, just the first half is removed, and makes its setting height(from bottom) be lower than cylinder top, reserves one section space above it and is used for assembling isolated oil.The height that removes part is that the height of liquid trap superjacent air space should determine that the volume ratio of profit is about the height of liquid trap superjacent air space and the ratio of the height of liquid trap in the mixed liquor according to the volume content of oil and water in the pending mixed liquor.The outlet liquid trap is provided with the main of two vertical connections and takes over, and wherein the master takes over I 27 directly as the drainpipe of horizontal coalescent oil-water separator, main I of adapter 27 and the main top vertical connection of taking over II 28; The main adapter on the II 28 evenly is provided with some side joint pipes 29, and side joint Guan Junyu master takes over the II vertical connection; Side joint pipe 29 and main II 28 left surfaces of taking over promptly are provided with some apertures 30 towards the one side of coalescent pack, and the aperture reduces to arrange from top to bottom gradually.The installation of outlet liquid trap evenly distributes to the liquid in the whole horizontal coalescent oil-water separator and has played very important effect, can effectively reduce the liquid short circuit phenomenon, guarantees that liquid distribution is uniform and stable.
Pending oil-water mixture enters cyclone from the tangential inlet 3 at U-shaped cyclone 1 top, and liquid is done the high-speed rotational motion in cyclone.Because density contrast, the oil slick in the liquid moves upward with the most of light material mutually of wet goods eddy flow that disperses, and discharges from overfall 4.Oil-polluted water and solid impurity move downward U-shaped underflow pipe to cyclone at the effect lower edge of centrifugal inertial force wall, are entered horizontal coalescent oil-water separator after being filtered through filter screen 5 by the liquid of initial gross separation; Solid silt then is deposited in the sludge hopper 6, and the mud discharging mouth 7 of regularly opening sludge hopper bottom is its discharging, so just can guarantee that a small amount of silt that contains in the liquid is separated in advance and can not stop up coalescent pack in the horizontal coalescent oil-water separator.Liquid enters inlet liquid distributor 8 in the horizontal coalescent oil-water separator by entry conductor 23, under the effect of inlet liquid distributor, evenly distribute, flow through behind the rectification sieve plate 9, flow velocity reduces uniform and stable, enter the coalescent district 10 of corrosion resistant plate ripple packing then, oil droplet is big in the corrugated plating coalescent change in surface, and dispersed oil is well separated with oil emulsion.In buffering area 12, isolated oil is discharged from the gathering room I 13 and the oil exit pipe 21 at horizontal cylinder top.Aqueous phase liquid then continues to flow into the coalescent district 16 of polyacrylic fibres corrugated wire gauze packing, residual tiny oil droplet is big through the full of twists and turns further coalescent change of wire packing, combine floating upward quickly to the coalescent effect of cylindrical shell top formation air supporting with the micro-bubble of generation in the gas generator 15 of cylindrical shell bottom simultaneously, the oil slick in the mixed liquor, dispersed oil, emulsification wet goods overwhelming majority oil just are separated like this.Liquid enters the water-oil separating district 17 of horizontal coalescent oil-water separator end, and oil is discharged from the gathering room II18 and the oil exit pipe 21 at top, Disengagement zone, and water then stably flows to discharge outlet 22 discharges by the collection of outlet liquid trap 20.
Claims (6)
1. an oily-water seperating equipment comprises a U-shaped cyclone and a horizontal coalescent oil-water separator, it is characterized in that the liquid outlet of cyclone U-shaped underflow pipe is communicated with the inlet of horizontal coalescent oil-water separator; Horizontal coalescent oil-water separator inside is docile and obedient preface and is provided with inlet liquid distributor, rectification sieve plate, the coalescent district of corrosion resistant plate ripple packing, the coalescent district of polyacrylic fibres corrugated wire gauze packing and outlet liquid trap, and wherein coalescent district of corrosion resistant plate ripple packing and both sides, the coalescent district of polyacrylic fibres corrugated wire gauze packing are fixed with spacing screen respectively; The oil exit pipe that horizontal coalescent oil-water separator top is provided with gathering room and is communicated with gathering room, the gathering room top is provided with evacuated tube; Bottom, the coalescent district of polyacrylic fibres corrugated wire gauze packing is provided with gas generator; Horizontal coalescent oil-water separator end is provided with and exports the drainpipe that liquid trap is communicated with; Distance between distance, rectification sieve plate and the coalescent district of corrosion resistant plate ripple packing between inlet liquid distributor and the rectification sieve plate is the sixtieth to a thirtieth of horizontal cylinder length.
2. oily-water seperating equipment according to claim 1 is characterized in that the underflow pipe of cyclone is arranged to U-shaped; The interior upwards knee of U-shaped underflow pipe is provided with filter screen, and the bottom is provided with sludge hopper and mud discharging mouth over against the below of filter screen.
3. oily-water seperating equipment according to claim 1, the liquid distributor that it is characterized in that entering the mouth is provided with the main of two vertical connections and takes over; Wherein main communicating pipe of taking over I as cyclone underflow pipe liquid outlet and horizontal coalescent oil-water separator inlet, main I of adapter and the main top vertical connection of taking over II; The main adapter on the II evenly is provided with some side joint pipes, and side joint Guan Junyu master takes over the II vertical connection; Side joint pipe and the main right flank of taking over II promptly are provided with some apertures towards the one side of coalescent pack, and the aperture reduces to arrange from the top down gradually.
4. oily-water seperating equipment according to claim 1 is characterized in that the rectification sieve plate is provided with a large amount of apertures, and the aperture reduces to arrange from the top down gradually.
5. oily-water seperating equipment according to claim 1 is characterized in that end is provided with the outlet liquid trap in the horizontal coalescent oil-water separator; The outlet liquid trap is identical with inlet liquid distributor structure, just the first half is removed, and makes its setting height(from bottom) be lower than the horizontal cylinder top, reserves one section space above it and is used for assembling isolated oil; The height that removes part is that the height of liquid trap superjacent air space should determine that the volume ratio of profit is about the height of liquid trap superjacent air space and the ratio of the height of liquid trap in the mixed liquor according to the volume content of oil and water in the pending mixed liquor; The outlet liquid trap is provided with the main adapter of two vertical connections, and wherein the master takes over I directly as the drainpipe of horizontal coalescent oil-water separator, and main I of adapter and master take over the top vertical connection of II; The main II that takes over is provided with some side joint pipes, and side joint Guan Junyu master takes over the II vertical connection; Side joint pipe and the main left surface of taking over II promptly evenly are provided with some apertures towards the one side of coalescent pack, and the aperture reduces to arrange from the top down gradually.
6. the separation method of oily-water seperating equipment, it is characterized in that pending oil-water mixture enters cyclone from the tangential inlet 3 at cyclone 1 top, liquid is done the high-speed rotational motion in cyclone, oil slick moves upward with the most of light material mutually of wet goods eddy flow that disperses, and discharges from overfall 4; Oil-polluted water and solid impurity move downward U-shaped underflow pipe to cyclone along wall, and liquid enters horizontal coalescent oil-water separator after filtering through filter screen 5, and solid silt then is deposited in the sludge hopper 6, and the mud discharging mouth 7 of regularly opening sludge hopper 6 bottoms is with its discharging; Liquid enters inlet liquid distributor 8 in the horizontal coalescent oil-water separator by entry conductor 23, and the rectification sieve plate 9 of flowing through enters the coalescent district 10 of corrosion resistant plate ripple packing then, and oil droplet is big in the corrugated plating coalescent change in surface; In buffering area 12, isolated oil is discharged from the gathering room 13 and the oil exit pipe 21 at horizontal cylinder top; Aqueous phase liquid then continues to flow into the coalescent district 16 of polyacrylic fibres corrugated wire gauze packing, residual tiny oil droplet is big through the full of twists and turns further coalescent change of wire packing, combines floating upward quickly with the cylindrical shell bottom gas generator 15 interior micro-bubbles that produce simultaneously and forms the coalescent effect of air supporting to cylindrical shell top; Liquid enters the water-oil separating district 17 of horizontal coalescent oil-water separator end, and oil is discharged from the gathering room 18 and the oil exit pipe 21 at top, Disengagement zone, and water then stably flows to discharge outlet 22 discharges by the collection of outlet liquid trap 20.
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| CN2010105135543A CN101972559B (en) | 2010-10-21 | 2010-10-21 | Oil-water separating device and method |
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| CN2010105135543A CN101972559B (en) | 2010-10-21 | 2010-10-21 | Oil-water separating device and method |
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