CN112520874A - Intelligent oil-water separation device - Google Patents
Intelligent oil-water separation device Download PDFInfo
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- CN112520874A CN112520874A CN202011393651.3A CN202011393651A CN112520874A CN 112520874 A CN112520874 A CN 112520874A CN 202011393651 A CN202011393651 A CN 202011393651A CN 112520874 A CN112520874 A CN 112520874A
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- 238000000926 separation method Methods 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000010865 sewage Substances 0.000 claims abstract description 46
- 239000000945 filler Substances 0.000 claims abstract description 30
- 238000004062 sedimentation Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000006228 supernatant Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000004581 coalescence Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000013049 sediment Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 4
- 238000005188 flotation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010951 particle size reduction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses an intelligent oil-water separation device, which comprises a separation tower for separating oil and water, and an input pipeline for inputting sewage into the separation tower; the inner cavity of the separation tower sequentially comprises from top to bottom: the oil collecting cavity is provided with an oil collecting and deslagging pipe orifice for discharging separated bubble oil drops by a bypass; the oil removing cavity is filled with a filter filler layer; a lower settling chamber; and the bottom water bin is used for receiving the supernatant separated from the lower sedimentation cavity. A central input cylinder and a central separation cylinder are fixed in the inner cavity of the separation tower, the central input cylinder is downwards inserted into the central separation cylinder, the bottom opening of the central input cylinder is close to the bottom of the inner wall of the central separation cylinder, and the upper end of the central separation cylinder is positioned in the oil receiving cavity; the input pipeline is communicated with a liquid inlet pipe which is communicated with the central input cylinder along the tangential direction and is higher than the liquid inlet pipe. The scheme of the invention has the advantages of low cost, high efficiency, low energy consumption, convenient use and the like.
Description
Technical Field
The invention relates to the technical field of petroleum treatment, in particular to an oil-water separation device.
Background
At present, the water treatment methods widely applied to oilfield exploitation sites mainly comprise methods such as physical separation, chemical agent assistance and the like, and comprise conventional gravity settling, coalescence deoiling, cyclone/centrifuge accelerated settling, air flotation deoiling, filtering and the like. However, as the processing difficulty increases, the processing effect of these conventional processing units has been greatly reduced, and the problems in operation are increasing; in the offshore oil exploitation, because of site limitation, coalescence deoiling, cyclone separation and air flotation are the existing mainstream processes, and along with the deep exploitation, the problems of the viscosity increase of the produced water, the particle size reduction of oil drops, high emulsification degree and the like are also faced, and the mainstream process is not ideal in operation.
Disclosure of Invention
The invention aims to provide an intelligent oil-water separation device which has the advantages of low cost, high efficiency, low energy consumption, convenience in use and the like.
The purpose of the invention is realized as follows: an intelligent oil-water separation device comprises a separation tower for separating oil and water, and an input pipeline for inputting sewage into the separation tower;
the inner cavity of the separation tower sequentially comprises from top to bottom:
the oil collecting cavity is provided with an oil collecting and deslagging pipe orifice for discharging separated bubble oil drops by a bypass;
the oil removing cavity is filled with a filter filler layer;
a lower settling chamber;
the bottom water bin is used for receiving the supernatant separated from the lower sedimentation cavity;
a vertical central input cylinder with a cylindrical structure is fixedly arranged in the inner cavity of the separation tower, and the bottom end of the central input cylinder is provided with an opening; a central separation cylinder which is of a cylindrical structure and vertically penetrates through the filter filler layer is also fixedly arranged in the inner cavity of the separation tower, the upper end of the central separation cylinder is of an open structure, and the lower end of the central separation cylinder is of a closed structure; the central input cylinder is downwards inserted into the central separation cylinder, the bottom end opening of the central input cylinder is close to the bottom of the inner wall of the central separation cylinder, and the upper end of the central separation cylinder is positioned in the oil receiving cavity; the input pipeline is communicated with a liquid inlet pipe communicated with the central input cylinder along the tangential direction and is higher than the liquid inlet pipe.
Furthermore, the separation tower is provided with a gas circulation loop, a dissolved gas tank connecting pipe, a dissolved gas tank and a gas circulation pump are arranged in the gas circulation loop, the liquid inlet side of the dissolved gas tank is communicated with the bottom end of the central separation cylinder and the lower sedimentation cavity through the dissolved gas tank connecting pipe, the suction end of the gas circulation pump is communicated with the upper side of the dissolved gas tank through a pipeline, and the pump outlet end of the gas circulation pump is communicated with the bottom water sump through a pipeline.
Further, it includes that first dissolved gas jar takes over and second dissolved gas jar takes over to dissolve the gas jar takeover, the input that first dissolved gas jar was taken over, the input that the gas jar was taken over is dissolved to the second is put through central separation bobbin base portion, sedimentation chamber respectively, the output that first dissolved gas jar was taken over and the output that the gas jar was taken over is dissolved to the second is put through jointly and dissolves the gas jar.
Furthermore, the separation tower is provided with a sewage circulation loop, a sewage circulation pump is arranged in the sewage circulation loop, the suction end of the sewage circulation pump is communicated with the bottom of the lower sedimentation cavity, and the pump-out end of the sewage circulation pump is communicated with the input pipeline; and a sediment discharge pipe is communicated with the bottom of the central separation cylinder and penetrates through the side wall of the separation tower.
Further, the filter filler layer comprises a coalescence inclined plate filler and an egg tray filler, the coalescence inclined plate filler is arranged above the egg tray filler, and the coalescence inclined plate filler is arranged into a polypropylene double-sine plate.
Furthermore, a conical cavity part and a bottom cavity part are sequentially arranged at the bottom of the lower precipitation cavity from top to bottom, the conical cavity part is of an inverted conical cavity structure, the bottom cavity part is coaxially communicated with the lower end of the conical cavity part and is of a cylindrical cavity structure, and the diameter of the bottom cavity part is not larger than that of the lower end of the conical cavity part; the sewage circulating loop is also provided with a bottom extraction pipe, and the suction end of the sewage circulating pump is communicated with the bottom cavity part through the bottom extraction pipe.
Further, the bottom sump includes the inside section of thick bamboo that sets up between two parties to and encircle and surround the peripheral chamber of the inside section of thick bamboo, the outer wall of toper chamber portion is supported and fixed to an inside section of thick bamboo upper end, the other intercommunication of bottom chamber portion has a plurality of oblique pipes that encircle self central axis equipartition, the pipe upper end is drawn to one side and is worn out the inside section of thick bamboo and be in peripheral chamber upper portion, the position that the pipe upper end is drawn to one side is higher than the position of bottom chamber portion.
Furthermore, a plurality of inclined inner guide pipes are uniformly distributed on the inner side wall of the inner side cylinder around the central axis of the inner side cylinder in the circumferential direction, the highest end of each inner guide pipe is positioned on the upper portion of the inner cavity of the inner side cylinder and communicated with the inner cavity of the inner side cylinder, and the lowest end of each inner guide pipe is communicated with the peripheral cavity.
Further, a gas flowmeter is arranged in the gas circulation loop, and the gas flowmeter is arranged on a pump outlet pipeline of the gas circulation pump.
The invention has the beneficial effects that:
1. the sewage can be subjected to oil-water separation for many times, and precipitates can be removed in time, so that the system configuration is simple (an air compressor, a pressure tank, a releaser, a water pump, a control system and fewer valves are not needed), and the investment and operating cost are lower;
2. the control and the debugging are simple and effective, and the working condition is stable;
3. the gas-liquid mixing effect is good (the dissolution rate can reach 100%);
4. the bubbles are fine (the diameter can be less than 30 microns), the dispersion is uniform, and the air floatation treatment effect is good;
5. the coalescence sloping plate filler is set as a polypropylene double-sine plate, has good plasticity and low price, and is more suitable for large-scale use in oil fields;
6. the coalescence swash plate packs to set up to two sinusoidal boards of polypropylene, and the deoiling rate is higher than traditional buckled plate, can promote the deoiling rate.
Drawings
Fig. 1 is a system layout diagram of the present invention.
FIG. 2 is a schematic view of a sewage circulation loop and a gas circulation loop.
In the figure, 1-an input pipeline, 1 a-a liquid inlet pipe, 2-a separation tower, 201-an oil receiving cavity, 202-an oil removing cavity, 203-a lower sedimentation cavity, 203 a-a conical cavity part, 203 b-a bottom cavity part, 204-a bottom water bin, 204 a-a peripheral cavity, 204 b-an inner guide pipe, 204 c-an inner side cylinder, 205-an oil receiving and deslagging pipe opening, 206-a coalescence inclined plate filler, 207-an egg holder filler, 208-a bottom extraction pipe, 209-a sewage draining opening, 210-a water outlet pipe, 211-a center input cylinder, 212-a center separation cylinder, 213-an inclined guide pipe, 3-a first dissolved air tank connecting pipe, 4-a second dissolved air tank, 5-a dissolved air tank, 6-a gas circulating pump, 7-a bottom gas interface, 8-a sewage circulating pump and 9-a sediment discharging pipe, 10-gas flow meter.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1-2, an intelligent oil-water separator includes a separation tower 2 for separating oil from water, and an input pipeline 1 for inputting sewage into the separation tower 2.
The inner cavity of the separation tower 2 sequentially comprises from top to bottom:
an oil collecting cavity 201, which is provided with an oil collecting and deslagging pipe orifice 205 for discharging separated bubble oil drops by a bypass;
the oil removing cavity 202 is filled with a filter filler layer, the filter filler layer comprises a coalescence inclined plate filler 206 and an egg tray filler 207, the coalescence inclined plate filler 206 is positioned above the egg tray filler 207, and the coalescence inclined plate filler 206 is a polypropylene double-sine plate, so that the oil-water separation quality is effectively guaranteed, the coalescence effect is further improved, and the retention time is shortened, in the embodiment, the retention time is 30 minutes, and the gas-dissolved water reflux ratio is 200%;
a lower settling chamber 203;
and the bottom water bin 204 is used for receiving the supernatant separated from the lower settling chamber 203.
Wherein, a vertical central input cylinder 211 with a cylinder structure is fixedly arranged in the inner cavity of the separation tower 2, and the bottom end of the central input cylinder 211 is provided with an opening; a central separation cylinder 212 which is of a cylindrical structure and vertically penetrates through the filtering filler layer is fixedly arranged in the inner cavity of the separation tower 2, the upper end of the central separation cylinder 212 is of an open structure, and the lower end of the central separation cylinder is of a closed structure; the central input cylinder 211 is inserted downwards into the central separation cylinder 212, the bottom end opening of the central input cylinder 211 is close to the bottom of the inner wall of the central separation cylinder 212, and the upper end of the central separation cylinder 212 is positioned in the oil receiving cavity 201; the input pipeline 1 is communicated with a liquid inlet pipe 1a communicated with the central input cylinder 211 along the tangential direction and is higher than the liquid inlet pipe 1 a.
The separation tower 2 is provided with a gas circulation loop, a dissolved gas tank connecting pipe, a dissolved gas tank 5 and a gas circulation pump 6 are arranged in the gas circulation loop, the liquid inlet side of the dissolved gas tank 5 is communicated with the bottom end of the central separation cylinder 212 and the lower sedimentation cavity 203 through the dissolved gas tank connecting pipe, the suction end of the gas circulation pump 6 is communicated with the upper side of the dissolved gas tank 5 through a pipeline, and the pump-out end of the gas circulation pump 6 is communicated with the bottom water sump 204 through a pipeline; the dissolved air tank connecting pipe comprises a first dissolved air tank connecting pipe 3 and a second dissolved air tank connecting pipe 4, the input end of the first dissolved air tank connecting pipe 3 and the input end of the second dissolved air tank connecting pipe 4 are respectively communicated with the bottom of the central separation cylinder 212 and the lower sedimentation cavity 203, and the output end of the first dissolved air tank connecting pipe 3 and the output end of the second dissolved air tank connecting pipe 4 are jointly communicated with the dissolved air tank 5; the gas circulation loop is provided with a gas flowmeter 10, and the gas flowmeter 10 is arranged on a pump outlet pipeline of the gas circulation pump 6 and can monitor the gas flow in the gas circulation loop at any time.
In order to more thoroughly separate oil and water in the sewage, the separation tower 2 is provided with a sewage circulating loop, so that the sewage can be separated and purified in the continuous circulating process, a sewage circulating pump 8 is arranged in the sewage circulating loop, the suction end of the sewage circulating pump 8 is communicated with the bottom of the sedimentation cavity 203, and the pump-out end of the sewage circulating pump 8 is communicated with the input pipeline 1; the bottom of the central separation cylinder 212 is communicated with a sediment discharge pipe 9, and the sediment discharge pipe 9 penetrates through the side wall of the separation tower 2.
In order to better form a sedimentation effect, the bottom of the lower sedimentation cavity 203 is sequentially provided with a conical cavity part 203a and a bottom cavity part 203b from top to bottom, the conical cavity part 203a is in an inverted conical cavity structure, the bottom cavity part 203b is coaxially communicated with the lower end of the conical cavity part 203a and is in a cylindrical cavity structure, and the diameter of the bottom cavity part 203b is not more than that of the lower end of the conical cavity part 203a, so that particles in the sewage are convenient to precipitate in the bottom cavity part 203 b; the sewage circulation loop is also provided with a bottom extraction pipe 208, and the suction end of the sewage circulation pump 8 is communicated with the bottom cavity part 203b through the bottom extraction pipe 208.
The bottom water sump 204 comprises a centrally arranged inner cylinder 204c and a peripheral cavity 204a surrounding and surrounding the inner cylinder 204c, the upper end of the inner cylinder 204c supports and fixes the outer wall of the conical cavity part 203a, the bottom cavity part 203b is bypassed by a plurality of inclined guide pipes 213 uniformly distributed around the central axis of the bottom cavity part, the upper ends of the inclined guide pipes 213 penetrate through the inner cylinder 204c and are positioned at the upper part of the peripheral cavity 204a, and the upper ends of the inclined guide pipes 213 are higher than the bottom cavity part 203 b; a plurality of inclined inner guide pipes 204b are uniformly distributed on the inner side wall of the inner cylinder 204c in the circumferential direction around the central axis of the inner side wall, the highest ends of the inner guide pipes 204b are positioned at the upper part of the inner cavity of the inner cylinder 204c and communicated with the inner cavity of the inner cylinder 204c, and the lowest ends of the inner guide pipes 204b are communicated with the peripheral cavity 204 a. The bottom water sump 204 further comprises a water outlet pipe 210, the water outlet pipe 210 penetrates through the bottom water sump 204 and the inner side cylinder 204c at the same time, the water outlet pipe 210 is of a bent pipe structure, the water inlet end of the water outlet pipe 210 is the highest end and is located inside the inner side cylinder 204c, the water outlet end of the water outlet pipe 210 is located outside the bottom water sump 204, and the water outlet pipe 210 can discharge purified water from the inner side cylinder 204 c. The bottom of the inner tube 204c is provided with a bottom gas port 7 communicated with the pumping end of the gas circulation pump 6 so as to form bubbles.
In order to further remove the sediment, a drain 209 is arranged in the inner cylinder 204c, and the drain 209 can be connected with a drain pipeline which can be opened and closed so as to drain the sediment in the inner cylinder 204 c.
The working principle of the embodiment is as follows: sewage tangentially enters a central input cylinder 211 and a central separation cylinder 212 through a liquid inlet pipe 1a, under the action of gravity, centrifugal force and air flotation, oil drops and fine suspended matters float to the upper end opening of the central separation cylinder 212 by taking air bubbles as carriers, so that the air bubbles float to an oil receiving cavity 201 and are discharged through an oil receiving and deslagging pipe opening 205, meanwhile, large-particle suspended matters sink to the bottom of the central separation cylinder 212 under the action of self gravity to form precipitates, the first separation of oil, water and suspended matters is realized, then the separated oil, water and suspended matters are discharged out of the whole separation tower 2 through a precipitate discharge pipe 9, as the sewage is continuously input, a part of sewage overflows the upper end opening of the central separation cylinder 212, then the sewage flows to a coalescence inclined plate filler 206 for second separation, the third separation is carried out on an egg tray filler 207, the sewage is collected in a lower precipitation cavity 203 after separation, and finally precipitates are generated in a bottom cavity, along with the continuous input of sewage, the supernatant generated by the bottom cavity part 203b is extruded upwards to the peripheral cavity 204a of the bottom water sump 204, a primary sedimentation effect is formed in the peripheral cavity 204a, the supernatant in the peripheral cavity 204a flows into the inner side cylinder 204 through the inner guide pipe 204b to perform the final sedimentation effect, the generated supernatant flows out of the separation tower 2 through the water outlet pipe 210, and waste residues are discharged through the sewage outlet 209.
In the oil-water separation process, when sludge deposited in the bottom cavity part 203b passes through the sewage circulating pump 8, the sewage circulating pump 8 breaks the sludge and conveys the sewage to the input pipeline 1 to form a circulation, so that the sewage can be separated again, and the sludge purification and zero sewage discharge of the equipment are realized.
In the above-mentioned oil-water separation process, the gas circulation pump 6 is constantly with dissolving in the gas pitcher 5 pump into the knockout tower 2 to form the bubble that constantly floats upwards in sewage, accelerate oil-water separation's efficiency, simultaneously, because dissolve the gas pitcher 5 and constantly produce the negative pressure, can inhale the sewage that contains the bubble in lower sedimentation chamber 203, the central separating cylinder 212, constantly have the bubble input in dissolving the gas pitcher 5, break, make dissolve the gas pitcher 5 and have certain gas volume all the time.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an intelligence water oil separating device, is including being used for separating knockout tower (2) of profit to and input pipeline (1) of input sewage in knockout tower (2), its characterized in that:
the inner cavity of the separation tower (2) sequentially comprises from top to bottom:
an oil collecting cavity (201) is provided with an oil collecting and deslagging pipe orifice (205) for discharging separated bubble oil drops by a bypass;
an oil removing cavity (202) filled with a filter filler layer;
a lower settling chamber (203);
the bottom water bin (204) is used for receiving the supernatant separated from the lower settling chamber (203);
a vertical central input cylinder (211) with a cylindrical structure is fixedly arranged in the inner cavity of the separation tower (2), and the bottom end of the central input cylinder (211) is provided with an opening; a central separation cylinder (212) which is of a cylindrical structure and vertically penetrates through the filtering filler layer is fixedly arranged in the inner cavity of the separation tower (2), the upper end of the central separation cylinder (212) is of an open structure, and the lower end of the central separation cylinder is of a closed structure; the central input cylinder (211) is downwards inserted into the central separation cylinder (212), the bottom end opening of the central input cylinder (211) is close to the bottom of the inner wall of the central separation cylinder (212), and the upper end of the central separation cylinder (212) is positioned in the oil receiving cavity (201); the input pipeline (1) is communicated with a liquid inlet pipe (1a) communicated with the central input cylinder (211) along the tangential direction and is higher than the liquid inlet pipe (1 a).
2. The intelligent oil-water separation device of claim 1, wherein: the separation tower (2) is provided with a gas circulation loop, a dissolved gas tank connecting pipe, a dissolved gas tank (5) and a gas circulation pump (6) are arranged in the gas circulation loop, the liquid inlet side of the dissolved gas tank (5) is communicated with the bottom end of the central separation cylinder (212) and the lower sedimentation cavity (203) through the dissolved gas tank connecting pipe, the suction end of the gas circulation pump (6) is communicated with the upper side of the dissolved gas tank (5) through a pipeline, and the pump-out end of the gas circulation pump (6) is communicated with the bottom water sump (204) through a pipeline.
3. The intelligent oil-water separation device of claim 2, wherein: the dissolved air tank connecting pipe comprises a first dissolved air tank connecting pipe (3) and a second dissolved air tank connecting pipe (4), the input end of the first dissolved air tank connecting pipe (3) and the input end of the second dissolved air tank connecting pipe (4) are respectively communicated with the bottom of the central separating cylinder (212) and the lower sedimentation chamber (203), and the output end of the first dissolved air tank connecting pipe (3) and the output end of the second dissolved air tank connecting pipe (4) are jointly communicated with the dissolved air tank (5).
4. The intelligent oil-water separation device of claim 1, wherein: the separation tower (2) is provided with a sewage circulating loop, a sewage circulating pump (8) is arranged in the sewage circulating loop, the suction end of the sewage circulating pump (8) is communicated with the bottom of the lower sedimentation cavity (203), and the pump outlet end of the sewage circulating pump (8) is communicated with the input pipeline (1); the bottom of the central separation cylinder (212) is communicated with a sediment discharge pipe (9), and the sediment discharge pipe (9) penetrates through the side wall of the separation tower (2) to be arranged.
5. The intelligent oil-water separation device of claim 1, wherein: the filter filler layer comprises coalescence inclined plate fillers (206) and egg tray fillers (207), the coalescence inclined plate fillers (206) are arranged above the egg tray fillers (207), and the coalescence inclined plate fillers (206) are arranged into polypropylene double sine plates.
6. The intelligent oil-water separation device of claim 4, wherein: the bottom of the lower sedimentation cavity (203) is sequentially provided with a conical cavity part (203a) and a bottom cavity part (203b) from top to bottom, the conical cavity part (203a) is of an inverted conical cavity structure, the bottom cavity part (203b) is coaxially communicated with the lower end of the conical cavity part (203a) and is of a cylindrical cavity structure, and the diameter of the bottom cavity part (203b) is not more than that of the lower end of the conical cavity part (203 a); the sewage circulating loop is also provided with a bottom extraction pipe (208), and the suction end of the sewage circulating pump (8) is communicated with the bottom cavity part (203b) through the bottom extraction pipe (208).
7. The intelligent oil-water separation device of claim 6, wherein: bottom sump (204) are including the inside section of thick bamboo (204c) of setting between two parties to and encircle and surround peripheral chamber (204a) of inside section of thick bamboo (204c), the outer wall of the toper chamber portion (203a) is supported and fixed to inside section of thick bamboo (204c) upper end, bottom chamber portion (203b) bypass has a plurality of oblique pipes (213) of leading of surrounding self central axis equipartition, interior section of thick bamboo (204c) and be in peripheral chamber (204a) upper portion are worn out to oblique pipe (213) upper end, the position that leads pipe (213) upper end to one side is higher than the position of bottom chamber portion (203 b).
8. The intelligent oil-water separation device of claim 7, wherein: the inner side wall of the inner side tube (204c) is circumferentially and uniformly provided with a plurality of inclined inner guide tubes (204b) around the central axis thereof, the highest ends of the inner guide tubes (204b) are positioned at the upper part of the inner cavity of the inner side tube (204c) and communicated with the inner cavity of the inner side tube (204c), and the lowest ends of the inner guide tubes (204b) are communicated with the peripheral cavity (204 a).
9. The intelligent oil-water separation device of claim 2, wherein: and a gas flowmeter (10) is arranged in the gas circulation loop, and the gas flowmeter (10) is arranged on a pump-out pipeline of the gas circulation pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011393651.3A CN112520874A (en) | 2020-12-02 | 2020-12-02 | Intelligent oil-water separation device |
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| CN202011393651.3A CN112520874A (en) | 2020-12-02 | 2020-12-02 | Intelligent oil-water separation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119774800A (en) * | 2024-12-30 | 2025-04-08 | 南京环保产业创新中心有限公司 | Treatment system and treatment method for tar-containing wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776420A (en) * | 2014-12-20 | 2016-07-20 | 江苏江澄环保设备工程有限公司 | Pressure type cyclone floating separation apparatus used for oil-containing wastewater treatment |
| CN107162239A (en) * | 2017-06-01 | 2017-09-15 | 浙江金龙自控设备有限公司 | Eddy flow agglomerated air floatation removes oil column |
| CN207259250U (en) * | 2017-06-01 | 2018-04-20 | 浙江金龙自控设备有限公司 | Eddy flow agglomerated air floatation removes oil column |
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2020
- 2020-12-02 CN CN202011393651.3A patent/CN112520874A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776420A (en) * | 2014-12-20 | 2016-07-20 | 江苏江澄环保设备工程有限公司 | Pressure type cyclone floating separation apparatus used for oil-containing wastewater treatment |
| CN107162239A (en) * | 2017-06-01 | 2017-09-15 | 浙江金龙自控设备有限公司 | Eddy flow agglomerated air floatation removes oil column |
| CN207259250U (en) * | 2017-06-01 | 2018-04-20 | 浙江金龙自控设备有限公司 | Eddy flow agglomerated air floatation removes oil column |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119774800A (en) * | 2024-12-30 | 2025-04-08 | 南京环保产业创新中心有限公司 | Treatment system and treatment method for tar-containing wastewater |
| CN119774800B (en) * | 2024-12-30 | 2025-10-31 | 南京环保产业创新中心有限公司 | Treatment system and treatment method for tar-containing wastewater |
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Application publication date: 20210319 |