CN111921276A - Oil-gas separator - Google Patents
Oil-gas separator Download PDFInfo
- Publication number
- CN111921276A CN111921276A CN202010722714.9A CN202010722714A CN111921276A CN 111921276 A CN111921276 A CN 111921276A CN 202010722714 A CN202010722714 A CN 202010722714A CN 111921276 A CN111921276 A CN 111921276A
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- China
- Prior art keywords
- oil
- separation
- tank body
- plate
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000926 separation method Methods 0.000 claims abstract description 106
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 33
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G7/00—Distillation of hydrocarbon oils
- C10G7/04—Dewatering
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses an oil-gas separator, which comprises a tank body and a supporting leg, wherein the tank body is internally provided with a cavity, the supporting leg is used for supporting the tank body, one end of the tank body, which is far away from the supporting leg, is provided with an air outlet and a safety valve, the tank body is positioned at one end of the supporting leg and is provided with a motor, one side of the tank body is provided with an oil level display device, one side of the tank body, which is far away from the oil level display device, is provided with an oil inlet pipe and an oil outlet pipe, the inside of the tank body is composed of an oil storage area, a second separation area and a first separation area, the areas are separated by a first separation plate and a second separation plate, the first separation area is. Compared with the prior art, the invention has the advantages that: first separation zone and second separation zone are equipped with multiple separation equipment, make oil-gas separation more thorough, and a small amount of liquid passes through the defroster separation, improves the life of defroster, still is equipped with the oil level display device who shows the fluid height in real time.
Description
Technical Field
The invention relates to the technical field of petrochemical processing equipment, in particular to an oil-gas separator.
Background
Among the current petroleum processing, it need filter the gas in the fluid, and current filtering tank generally only sets up single defroster, filters oil gas, filters inadequately, and what set up on the defroster is the multilayer filter screen for use after the short time, just need dismantle the defroster and change, its replacement cost is high, and is inefficient, does not have liquid level controller mechanism, can't see the oil mass of separation.
Disclosure of Invention
The invention aims to overcome the technical defects and provide the oil-gas separator which can observe the separated oil quantity, can be separated for multiple times, can separate a small amount of oil-gas mixed liquid through the demister, prolongs the service life of the demister and can separate the oil-gas mixed liquid thoroughly.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: including establishing the jar body of cavity and the supporting leg of the supporting jar body in, the jar one end of keeping away from the supporting leg of body be equipped with gas outlet and relief valve, the jar body be located supporting leg one end and be equipped with the motor, jar body one side be equipped with oil level display device, the jar body one side of keeping away from oil level display device be equipped with into oil pipe and go out oil pipe, the internal portion of jar constitute by the oil storage area that is located the bottom, the second separation zone that is located the upper end and the first separation zone that is located between oil storage area and the second separation zone, the region between distinguish through separation plate one and separation plate two, first separation zone be equipped with the swinging boom and be connected with the motor, swinging boom and separation plate one between be equipped with the separation cap, the second separation zone in be equipped with the defroster, defroster and separation plate two between be equipped with the separation folded plate.
Compared with the prior art, the invention has the advantages that: first separation zone and second separation zone are equipped with multiple separation equipment, make oil-gas separation more thorough, and a small amount of liquid passes through the defroster separation, improves the life of defroster, still is equipped with the oil level display device who shows the fluid height in real time.
As an improvement, the oil level display device is of a U-shaped glass tube structure, one end of the oil level display device is connected with the oil storage area and the other end of the oil level display device is connected with the first separation area, a conical buoy is arranged inside the oil level display device, oil scale marks are arranged on the surface of the oil level display device, the real-time height of the oil level can be observed through the suspended conical buoy, and the oil quantity of an oil tank in the tank body is known.
As an improvement, advance oil pipe insert first separation area to one side in, advance oil pipe on be equipped with the flowmeter, the export of advancing oil pipe be located the swinging boom directly over, what of statistics oil mass that the flowmeter can be better, the export of advancing oil pipe be located the swinging boom directly over can be better let the swinging boom hit the oil gas liquid that falls for oil-gas separation.
As an improvement, the surfaces of the separating cap, the separating folded plate, the first separating plate and the second separating plate are all provided with oil leakage through holes, the separating cap, the separating folded plate, the first separating plate and the second separating plate are fixedly connected to the inner wall of the tank body, and oil drops can fall to an oil storage area by means of gravity through the oil leakage through holes.
As an improvement, the separation folded plate is in a zigzag up-down staggered structure, gas in oil gas rises due to low density, the flow direction of the gas can be changed by the zigzag up-down staggered structure of the separation folded plate, and oil drops in the gas are adhered to the separation folded plate, so that oil gas liquid is separated again.
As the improvement, the bottom in oil storage area be equipped with the heating piece, separation plate one and separation cap inside all be equipped with the bearing, the rotation axis one end of motor be equipped with the driving shaft, the driving shaft pass jar body and the bearing connection swinging boom of heating piece, separation plate one, separation cap, the heating piece can be the vapor in the oil heating evaporation oil body, the bearing supports the driving shaft rotation, reduces the coefficient of friction in its motion process.
As an improvement, the oil outlet pipe is provided with a switch valve which can control the oil outlet quantity.
Drawings
Fig. 1 is a front view of an oil separator of the present invention.
Fig. 2 is a sectional view of an oil separator of the present invention.
Fig. 3 is a bottom view of a first oil separator separation plate according to the present invention.
As shown in the figure: 1. the oil level display device comprises a tank body, 1.1, an air outlet, 1.2, a safety valve, 1.3, a motor, 1.31, a driving shaft, 1.4, an oil level display device, 1.41, a conical buoy, 1.42, oil scale marks, 1.5, an oil inlet pipe, 1.51, a flowmeter, 1.6, an oil outlet pipe, 1.61, a switch valve, 2, a supporting leg, 3, an oil storage area, 3.1, a heating block, 4, a second separation area, 4.1, a demister, 4.2, a separation folded plate, 5, a first separation area, 5.1, a rotating arm, 5.2, a separation cap, 6, a first separation plate, 7, a second separation plate, 8, an oil leakage through hole, 9 and a bearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached figures 1-3, the oil-gas separator comprises a tank body 1 with a cavity arranged therein and a supporting leg 2 for supporting the tank body 1, wherein one end of the tank body 1, which is far away from the supporting leg 2, is provided with a gas outlet 1.1 and a safety valve 1.2, one end of the tank body 1, which is located at the supporting leg 2, is provided with a motor 1.3, one side of the tank body 1 is provided with an oil level display device 1.4, one side of the tank body 1, which is far away from the oil level display device 1.4, is provided with an oil inlet pipe 1.5 and an oil outlet pipe 1.6, the tank body 1 is internally provided with an oil storage area 3 at the bottom end, a second separation area 4 at the upper end and a first separation area 5 between the oil storage area 3 and the second separation area 4, the areas are separated by a first separation plate 6 and a second separation plate 7, the first separation area 5 is provided with a rotating arm 5.1 which is connected with the motor 1.3, and, a demister 4.1 is arranged in the second separation zone 4, and a separation folded plate 4.2 is arranged between the demister 4.1 and the second separation plate 7.
Oil level display device 1.4 be U-shaped glass tube structure, oil level display device 1.4 one end connect oil storage area 3 and one end and connect first separation area 5, oil level display device 1.4 inside be equipped with tapered buoy 1.41, oil level display device 1.4 surface be equipped with oil scale mark 1.42, oil through the separation falls into in the oil storage area 3, oil storage area 3 and the first separation area 5 of other end connection are connected to oil level display device 1.4's one end, because of the oil pressure of oil storage area 3 is greater than external pressure, oil can get into the intraductal height that makes tapered buoy 1.41 float to oil storage area 3 unanimity of shape glass of oil level display device 1.4.
Advance oil pipe 1.5 insert first subregion 5 to one side in, advance oil pipe 1.5 on be equipped with the flowmeter, the export of advancing oil pipe 1.5 be located swinging boom 5.1 directly over, swinging boom 5.1 is rotatory through the drive of motor 1.3, advances to get into oil gas liquid in the oil pipe 1.5, swinging boom 5.1 hits the oil gas liquid, when liquid changes the flow direction, the liquid that density is big has great inertia, makes liquid separate out from oil gas.
The oil-gas separation device is characterized in that oil leakage through holes 8 are formed in the surfaces of the separation cap 5.2, the separation folded plate 4.2, the first separation plate 6 and the second separation plate 7, the separation cap 5.2, the separation folded plate 4.2, the first separation plate 6 and the second separation plate 7 are fixedly connected to the inner wall of the tank body 1, oil-gas liquid beaten by the rotating arm 5.1 flows into the separation cap 5.2, gas-liquid separation is achieved by means of difference of relative gas-liquid densities, and the oil-gas liquid is separated again through the separation cap 5.2 and the first separation plate 6.
The separation folded plate 4.2 is of a zigzag up-down staggered structure, gas in oil-gas liquid after being hit by the rotating arm 5.1 rises to the separation folded plate 4.2, the gas meets the obstacle of the separation folded plate 4.2 to change the flow direction and speed, so that liquid drops in the gas are continuously coalesced in the separation folded plate 4.2 circles, an oil film is formed under the action of the surface tension of the liquid drops, the gas is continuously contacted, fine liquid drops in the gas are coalesced into large liquid drops and are settled down by gravity, the secondary separation effect is achieved, and the separated gas is separated again through the demister 4.1 until being discharged out of the tank body.
The bottom of oil storage area 3 be equipped with heating block 3.1, separation plate 6 and separation cap 5.2 inside all be equipped with bearing 9, motor 1.3's rotation axis one end be equipped with driving shaft 1.31, driving shaft 1.31 pass jar body 1 and heating block 3.1, separation plate 6, separation cap 5.2's bearing 9 and connect swinging boom 5.1, motor 1.3 rotates and drives driving shaft 1.31 and rotate to swinging boom 5.1 also follows the rotation, heating block 3.1 heats the oil in the oil storage area 3, the internal moisture evaporation of messenger's oil.
The oil outlet pipe 1.6 is provided with a switch valve 1.61, the switch valve 1.61 is opened to discharge oil, and simultaneously, the conical buoy 1.41 in the oil level display device 1.4 is reduced along with the reduction of the oil quantity in the oil storage area 3.
The working principle of the invention is as follows: firstly, a motor is turned on to drive a rotating arm to rotate, oil gas liquid enters a first separation area through an oil inlet pipe, the rotating arm blows oil gas liquid, the liquid changes the flow direction, the liquid with high density has larger inertia, the liquid is separated from oil gas, the oil gas liquid flows to a separation cap, the gas-liquid separation is realized depending on the difference of the relative densities of the gas and the liquid, the oil gas liquid is separated again through the separation cap and a separation plate, the separated oil falls into an oil storage area, a heating block in the oil storage area is heated, so that water vapor in the oil is evaporated and separated again, meanwhile, an oil surface display device on the outer side can display the oil quantity, the gas separated through the first separation area and the oil storage area rises to a second separation area, the gas changes the flow direction and the speed through the obstruction of a separation plate II and a separation plate II, so that liquid drops in the gas are continuously coalesced, and an oil film is formed due to the surface tension, in the contact of gas constantly, the fine liquid drop in with gas gathers into big liquid drop, subsides by gravity to reach the re-separation effect, the gas of separation separates once more through the defroster at last, through the exhaust outside of the jar body of exhaust hole discharge, the internal atmospheric pressure of relief valve real-time supervision jar, the internal splitter of the protective tank body and jar.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides an oil and gas separator establishes jar body (1) of cavity and supporting leg (2) of the supporting jar body (1) in including, its characterized in that: the oil-water separation tank is characterized in that one end, far away from the supporting legs (2), of the tank body (1) is provided with an air outlet (1.1) and a safety valve (1.2), the tank body (1) is located at one end of the supporting legs (2) and is provided with a motor (1.3), one side of the tank body (1) is provided with an oil surface display device (1.4), one side, far away from the oil surface display device (1.4), of the tank body (1) is provided with an oil inlet pipe (1.5) and an oil outlet pipe (1.6), the tank body (1) is internally provided with an oil storage area (3) at the bottom end, a second separation area (4) at the upper end and a first separation area (5) between the oil storage area (3) and the second separation area (4), the areas are separated by a first separation plate (6) and a second separation plate (7), the first separation area (5) is provided with a rotating arm (5.1) and is connected with the motor (1.3), and a separation cap (5.2) is arranged between the rotating arm (5.1, a demister (4.1) is arranged in the second separation zone (4), and a separation folded plate (4.2) is arranged between the demister (4.1) and the second separation plate (7).
2. An oil separator as in claim 1 wherein: oil level display device (1.4) be U-shaped glass tube structure, oil level display device (1.4) one end connect oil storage area (3) and one end connect first subregion (5), oil level display device (1.4) inside be equipped with tapered buoy (1.41), oil level display device (1.4) surface be equipped with oil mark scale mark (1.42).
3. An oil separator as in claim 1 wherein: the oil inlet pipe (1.5) is obliquely inserted into the first separation area (5), a flowmeter (1.51) is arranged on the oil inlet pipe (1.5), and an outlet of the oil inlet pipe (1.5) is positioned right above the rotating arm (5.1).
4. An oil separator as in claim 1 wherein: the oil leakage separating device is characterized in that oil leakage through holes (8) are formed in the surfaces of the separating cap (5.2), the separating folded plate (4.2), the separating plate I (6) and the separating plate II (7), and the separating cap (5.2), the separating folded plate (4.2), the separating plate I (6) and the separating plate II (7) are fixedly connected to the inner wall of the tank body (1).
5. An oil separator as in claim 4 wherein: the separation folded plate (4.2) is in a zigzag up-down staggered structure.
6. An oil separator as in claim 1 wherein: the bottom of oil storage district (3) be equipped with heating block (3.1), separation plate (6) and separation cap (5.2) inside all be equipped with bearing (9), the rotation axis one end of motor (1.3) be equipped with driving shaft (1.31), driving shaft (1.31) bearing (9) that pass jar body (1) and heating block (3.1), separation plate (6), separation cap (5.2) connect swinging boom (5.1).
7. An oil separator as in claim 1 wherein: the oil outlet pipe (1.6) is provided with a switch valve (1.61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010722714.9A CN111921276A (en) | 2020-07-24 | 2020-07-24 | Oil-gas separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010722714.9A CN111921276A (en) | 2020-07-24 | 2020-07-24 | Oil-gas separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111921276A true CN111921276A (en) | 2020-11-13 |
Family
ID=73315474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010722714.9A Pending CN111921276A (en) | 2020-07-24 | 2020-07-24 | Oil-gas separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111921276A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177660A (en) * | 2021-11-25 | 2022-03-15 | 江西艾威尔压缩机有限公司 | Multifunctional buckling-pressing type oil-gas separator |
| CN114669086A (en) * | 2022-03-31 | 2022-06-28 | 珠海格力电器股份有限公司 | Oil storage device with purification function and compressor system comprising same |
| CN115646364A (en) * | 2022-11-01 | 2023-01-31 | 中国石油化工股份有限公司 | Reaction device for olefin hydroformylation reinforced by micro-bubble flow and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208229447U (en) * | 2018-03-12 | 2018-12-14 | 庄跃东 | A kind of device improving separated from petroleum precision |
| CN109432884A (en) * | 2018-11-15 | 2019-03-08 | 无锡索贝克精密机械有限公司 | A kind of water spray screw air compressor aqueous vapor oil separating device |
| CN209386644U (en) * | 2018-12-17 | 2019-09-13 | 江苏世林博尔制冷设备有限公司 | A kind of oil eliminator and air-conditioner set |
| CN110860158A (en) * | 2018-08-27 | 2020-03-06 | 江苏中远环保科技有限公司 | Oil-gas separation method for tank body |
| CN210948631U (en) * | 2019-11-13 | 2020-07-07 | 湖北楚宇石化设备有限公司 | Knockout drum with autogyration oil dispersing cap structure |
-
2020
- 2020-07-24 CN CN202010722714.9A patent/CN111921276A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208229447U (en) * | 2018-03-12 | 2018-12-14 | 庄跃东 | A kind of device improving separated from petroleum precision |
| CN110860158A (en) * | 2018-08-27 | 2020-03-06 | 江苏中远环保科技有限公司 | Oil-gas separation method for tank body |
| CN109432884A (en) * | 2018-11-15 | 2019-03-08 | 无锡索贝克精密机械有限公司 | A kind of water spray screw air compressor aqueous vapor oil separating device |
| CN209386644U (en) * | 2018-12-17 | 2019-09-13 | 江苏世林博尔制冷设备有限公司 | A kind of oil eliminator and air-conditioner set |
| CN210948631U (en) * | 2019-11-13 | 2020-07-07 | 湖北楚宇石化设备有限公司 | Knockout drum with autogyration oil dispersing cap structure |
Non-Patent Citations (2)
| Title |
|---|
| H.B.布雷德利等: "《石油工程手册 上册 采油工程》", 31 August 1992, 石油工业出版社 * |
| 苏联H.M.穆拉维也夫等: "《油田开採 上册》", 30 September 1956, 石油工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177660A (en) * | 2021-11-25 | 2022-03-15 | 江西艾威尔压缩机有限公司 | Multifunctional buckling-pressing type oil-gas separator |
| CN114669086A (en) * | 2022-03-31 | 2022-06-28 | 珠海格力电器股份有限公司 | Oil storage device with purification function and compressor system comprising same |
| CN114669086B (en) * | 2022-03-31 | 2023-02-24 | 珠海格力电器股份有限公司 | Oil storage device with purification function and compressor system comprising same |
| CN115646364A (en) * | 2022-11-01 | 2023-01-31 | 中国石油化工股份有限公司 | Reaction device for olefin hydroformylation reinforced by micro-bubble flow and application |
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Application publication date: 20201113 |