CN204745758U - Separation and recovery unit of crude oil grit - Google Patents
Separation and recovery unit of crude oil grit Download PDFInfo
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- CN204745758U CN204745758U CN201520450155.5U CN201520450155U CN204745758U CN 204745758 U CN204745758 U CN 204745758U CN 201520450155 U CN201520450155 U CN 201520450155U CN 204745758 U CN204745758 U CN 204745758U
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Abstract
The utility model relates to a separation and recovery unit of crude oil grit, include degritting jar, grit collection device and grit conveyor, degritting jar includes horizontal tank, and the horizontal tank bottom is equipped with the base, and the top is equipped with oil gas import and gas vent, and the upper portion of the inside cavity of horizontal tank slopes to having the deflector along the axial, and in bank oil pocket and sediment outflow chamber are separated through vertical baffle in the lower part, and the bottom in oil extraction chamber is equipped with row oil pipe, and the sediment outflow intracavity is equipped with the sand washing device, and sediment outflow chamber bottom is equipped with drain pipe and sand discharge pipe, grit collection device one end and the corresponding setting of sand discharge pipe, the other end links to each other with grit conveyor. The utility model discloses simple structure, the degritting be efficient, can recycle materiel recovered.
Description
Technical field
The utility model belongs to the technical field of crude oil desanding, particularly a kind of separation of crude oil sandstone and gathering-device.
Background technology
Along with the exploitation of the aging of existing oil field and marginal oil field, waterflooding extraction sandstone oil reservoir seems more necessary, and oil well is experiencing higher cuts the water yield.In addition, because the density of water is greater than oil, the large sand solid of quarrying apparatus energy transfer ratio oil gas is to ground, and sand production problem is also tending towards serious.
Oil-gas Layer reason of shaking out is a lot, mainly contains three aspects: (1) geologic(al) factor, the such as character of rock stratum granular cementation, fluid situation, turns borehole wall plastic deformation that well causes and formation damage etc.; (2) mining factor, as producing pressure differential, flow velocity, washing away of cyclic steam stimulation, the rising of water flooding recovery later stage moisture content, the improper use etc. of surfactant; (3) completion factor, comprises the dip angle parameter and tunnel-fill etc. of oil well loophole.Sand production causes very large harm to oil well and surface gathering and transferring equipment.
But desanding technology mainly contains mechanical desanding and artificial sand removal at present, and existing desanding device, not only cost is high, and installs complicated, and floor space is large; Not only consume manpower in use procedure, and desanding effect is difficult to ensure.In addition; raw material oil gas is after easy desanding process; discharge sandstone and without collection and reprocessing; not only waste material but also pollute environment; the theories such as this " economize energy resource, develop a circular economy, preserve the ecological environment " of advocating with country are seriously disagreed, and destroy the Macroscopic Strategy of sustainable development.
Summary of the invention
The purpose of this utility model is the separation and the gathering-device that provide a kind of crude oil sandstone for above-mentioned technical need, can play the object of Oil-gas Separation, desanding and recovery sand, and reasonable in design, simple and practical, cheap.
To achieve these goals, the utility model adopts following technical scheme: a kind of separation of crude oil sandstone and retracting device, it is characterized in that, comprise sand removing tank, sandstone gathering-device and sandstone conveying device, described sand removing tank comprises horizontal tank body, described horizontal tank base is provided with base, top is provided with oil and gas import and exhaust outlet, the top of horizontal tank body internal cavities is tilted to vertically and has guide plate, the bottom of tank interior cavity is separated into oil-discharging cavity and sediment outflow chamber by vertical clapboard, the bottom of described oil-discharging cavity is provided with oil exit pipe, sand flushing device is provided with in described sediment outflow chamber, drainpipe and sediment outflow pipe is provided with bottom sediment outflow chamber, described sandstone gathering-device one end and the corresponding setting of described sediment outflow pipe, the other end is connected with described sandstone conveying device.
By such scheme, described guide plate comprises tilt flat plate and side shield, described tilt flat plate is front wide and rear narrow platy structure, front wide portion side and the described inner tank wall of tilt flat plate are fixedly linked, the rear narrow portion side of tilt flat plate is provided with described side shield, the upper uniform plane of tilt flat plate is interval with crosspiece, and the angle of inclination of tilt flat plate is more than or equal to 1.1 °.
By such scheme, described sand flushing device comprises sand washing supervisor and sand washing bend pipe, described sand washing supervisor is fixedly linked by " U " type bolt and the bearing be located at bottom described sediment outflow chamber, described sand washing bend pipe between two symmetrically and evenly interval be located at sand washing supervisor both sides, the bottom centre of sand washing house steward is connected with main water inlet tube, and described sediment outflow Guan Yuci water inlet pipe is connected.
By such scheme, described sandstone gathering-device comprises funnel, intermediate conduit and buffering cavity, the open top of described funnel and the corresponding setting of the mouth of pipe of described sediment outflow pipe, the bottom of funnel is connected with the top of described intermediate conduit, the bottom of intermediate conduit is connected with one end of described buffering cavity, and the other end of buffering cavity is connected with the import of described sandstone conveying device.
By such scheme, described sandstone conveying device is conveying worm.
By such scheme, described tank body two ends are equipped with manhole, and tank body top is provided with mist eliminator, and described exhaust outlet is located at the top center of described mist eliminator, and tank body top is provided with interfacial meter and safety valve, is provided with liquid level gauge in the middle part of tank body.
By such scheme, the sidewall that described vertical clapboard top is positioned at oil-discharging cavity is provided with semicanal, and described semicanal two ends are connected with described inner tank wall.
The beneficial effects of the utility model are: the separation and the gathering-device that provide a kind of crude oil sandstone.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Wherein: 1, horizontal tank body, 2, base, 3, oil and gas import, 4, exhaust outlet, 5, mist eliminator, 6, interfacial meter, 7, safety valve, 8, vertical clapboard, 9, semicanal, 10, tilt flat plate, 11, side shield, 12, crosspiece, 13, oil exit pipe, 14, drainpipe, 15, sediment outflow pipe, 16, sand washing supervisor, 17, sand washing bend pipe, 18, bearing, 19, main water inlet tube, 20, secondary water inlet pipe, 21, manhole, 22, liquid level gauge, 23, funnel, 24, intermediate conduit, 25, buffering cavity, 26, conveying worm.
Detailed description of the invention
Now be described the utility model embodiment by reference to the accompanying drawings, the utility model is not limited to following embodiment.
As shown in Figure 1, a kind of desander, comprise sand removing tank, sandstone gathering-device and sandstone conveying device, sand removing tank comprises horizontal tank body 1, base 2 is provided with bottom it, top is provided with oil and gas import 3 and mist eliminator 5, the top center of mist eliminator is provided with exhaust outlet 4, the top of horizontal tank body internal cavities is tilted to vertically and has guide plate, bottom is separated into oil-discharging cavity and sediment outflow chamber by vertical clapboard 8, the sidewall that vertical clapboard top is positioned at oil-discharging cavity is provided with semicanal 9, semicanal two ends are connected with inner tank wall, the bottom of oil-discharging cavity is provided with oil exit pipe 13, sediment outflow is provided with sand flushing device in chamber, drainpipe 14 and sediment outflow pipe 15 is provided with bottom sediment outflow chamber.
Guide plate comprises tilt flat plate 10 and side shield 11, tilt flat plate is front wide and rear narrow platy structure, before it, wide portion side is connected by being welded and fixed with horizontal inner tank wall, rear narrow portion side is provided with side shield, the upper uniform plane of tilt flat plate is interval with crosspiece 12, the angle of inclination of tilt flat plate is more than or equal to 1.1 °, the guide plate be obliquely installed more can effectively be strengthened mixing the sedimentation effect of sandstone in flow process in stoste, gravel content in stoste is significantly reduced, also desanding operation can be made more easy simultaneously, crosspiece and side shield make the flow velocity of sandstone and direction be controlled, due to the obstruction of crosspiece, greatly can reduce the speed of silt flowing, improve separating effect.
Sand flushing device comprises sand washing supervisor 16 and sand washing bend pipe 17, sand washing supervisor be fixedly linked by " U " type bolt and the bearing 18 be located at bottom sediment outflow chamber, sand washing bend pipe between two symmetrically and evenly interval be located at sand washing supervisor both sides, the bottom centre of sand washing house steward is connected with main water inlet tube 19, and sediment outflow Guan Yuci water inlet pipe 20 is connected.
Horizontal tank body two ends are equipped with manhole 21, top is provided with interfacial meter 6 and safety valve 7, middle part is provided with liquid level gauge 22, by interfacial meter, the oil level in tank body, water level, emulsion layer are measured, Real Time Observation goes out the released state of tank interior, by the liquid level of liquid level gauge monitoring tank interior, in order to avoid interior media is very few or cross multipair separating effect produce bad impact.
Sandstone gathering-device comprises funnel 23, intermediate conduit 24 and buffering cavity 25, the open top setting corresponding with the mouth of pipe of sediment outflow pipe of funnel, the bottom of funnel is connected with the top of intermediate conduit, the bottom of intermediate conduit is connected with one end of buffering cavity, the other end of buffering cavity is connected with the import of sandstone conveying device, and sandstone conveying device is conveying worm 26.
Air-fuel mixture raw material containing impurity such as sandstones enters through oil and gas import, and the sand in feed liquid flows down along guide plate together with oil gas liquid, and due to the difference of density, the oil in stoste, gas, sandstone can be separated in tank.The minimum gas of density is discharged by exhaust outlet at first after the liquid in the mist eliminator removing gas above tank body, first fluid containing impurity such as sandstones be collected with sediment outflow chamber, the fluid that density is less is separated to oil-discharging cavity by vertical clapboard, and discharged by oil exit pipe, fluid is subject to semicanal stop when entering oil-discharging cavity forms fluctuation, the gas separaion that is mingled with in fluid can be made and discharge from exhaust outlet, impurity is precipitable is separated further bottom semicanal for the quality be mingled with in fluid less sandstone etc., improve separating effect, make separation more thorough, the impurity such as the sandstone that density is maximum are separated to bottom sediment outflow chamber through gravitational settling effect, main water inlet tube is to sand washing supervisor water inlet, discharged by sand washing bend pipe again, through high pressure souring, the impurity such as sandstone are converged by sandstone gathering-device after sediment outflow pipe is discharged, and the charging aperture of conveying worm is sunk down into through the effect of gravity, slowly be fed forward under the progradation of shell internal helical blades, finally discharge along discharge port, thus sandstone is collected, may block in sediment outflow pipe because the impurity levels such as sandstone are many, now intake in sediment outflow pipe by this water inlet pipe, dredging sediment outflow pipe makes sediment outflow clear and coherent, improve sediment outflow efficiency, ponding in sediment outflow chamber is discharged by drainpipe, the inlet side of drainpipe is provided with filter screen, can block the impurity such as sandstone makes ponding discharge, and other purposes can be done.
Claims (7)
1. the separation of a crude oil sandstone and retracting device, it is characterized in that, comprise sand removing tank, sandstone gathering-device and sandstone conveying device, described sand removing tank comprises horizontal tank body, described horizontal tank base is provided with base, top is provided with oil and gas import and exhaust outlet, the top of horizontal tank body internal cavities is tilted to vertically and has guide plate, the bottom of tank interior cavity is separated into oil-discharging cavity and sediment outflow chamber by vertical clapboard, the bottom of described oil-discharging cavity is provided with oil exit pipe, be provided with sand flushing device in described sediment outflow chamber, bottom sediment outflow chamber, be provided with drainpipe and sediment outflow pipe; Described sandstone gathering-device one end and the corresponding setting of described sediment outflow pipe, the other end is connected with described sandstone conveying device.
2. the separation of a kind of crude oil sandstone according to claim 1 and retracting device, it is characterized in that described guide plate comprises tilt flat plate and side shield, described tilt flat plate is front wide and rear narrow platy structure, front wide portion side and the described inner tank wall of tilt flat plate are fixedly linked, the rear narrow portion side of tilt flat plate is provided with described side shield, the upper uniform plane of tilt flat plate is interval with crosspiece, and the angle of inclination of tilt flat plate is more than or equal to 1.1 °.
3. the separation of a kind of crude oil sandstone according to claim 1 and 2 and retracting device, it is characterized in that described sand flushing device comprises sand washing supervisor and sand washing bend pipe, described sand washing supervisor is fixedly linked by " U " type bolt and the bearing be located at bottom described sediment outflow chamber, described sand washing bend pipe between two symmetrically and evenly interval be located at sand washing supervisor both sides, the bottom centre of sand washing house steward is connected with main water inlet tube, and described sediment outflow Guan Yuci water inlet pipe is connected.
4. the separation of a kind of crude oil sandstone according to claim 1 and retracting device, it is characterized in that described sandstone gathering-device comprises funnel, intermediate conduit and buffering cavity, the open top of described funnel and the corresponding setting of the mouth of pipe of described sediment outflow pipe, the bottom of funnel is connected with the top of described intermediate conduit, the bottom of intermediate conduit is connected with one end of described buffering cavity, and the other end of buffering cavity is connected with the import of described sandstone conveying device.
5. the separation of a kind of crude oil sandstone according to claim 1 or 4 and retracting device, is characterized in that described sandstone conveying device is conveying worm.
6. the separation of a kind of crude oil sandstone according to claim 1 and retracting device, it is characterized in that described tank body two ends are equipped with manhole, tank body top is provided with mist eliminator, described exhaust outlet is located at the top center of described mist eliminator, tank body top is provided with interfacial meter and safety valve, is provided with liquid level gauge in the middle part of tank body.
7. the separation of a kind of crude oil sandstone according to claim 1 and retracting device, it is characterized in that the sidewall that described vertical clapboard top is positioned at oil-discharging cavity is provided with semicanal, described semicanal two ends are connected with described inner tank wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520450155.5U CN204745758U (en) | 2015-06-26 | 2015-06-26 | Separation and recovery unit of crude oil grit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520450155.5U CN204745758U (en) | 2015-06-26 | 2015-06-26 | Separation and recovery unit of crude oil grit |
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| CN204745758U true CN204745758U (en) | 2015-11-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735625A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | online desanding device for oil and gas pipeline without stopping transmission |
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2015
- 2015-06-26 CN CN201520450155.5U patent/CN204745758U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735625A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | online desanding device for oil and gas pipeline without stopping transmission |
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