CN113717751B - Flexible dewatering device for tertiary oil recovery produced liquid - Google Patents
Flexible dewatering device for tertiary oil recovery produced liquid Download PDFInfo
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- CN113717751B CN113717751B CN202111087161.5A CN202111087161A CN113717751B CN 113717751 B CN113717751 B CN 113717751B CN 202111087161 A CN202111087161 A CN 202111087161A CN 113717751 B CN113717751 B CN 113717751B
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- 239000007788 liquid Substances 0.000 title claims abstract description 102
- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000007667 floating Methods 0.000 claims description 39
- 238000003825 pressing Methods 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 description 10
- 238000000429 assembly Methods 0.000 description 10
- 239000004744 fabric Substances 0.000 description 9
- 238000009826 distribution Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 238000004581 coalescence Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/06—Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
-
- 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
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/08—Controlling or regulating
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Removal Of Floating Material (AREA)
- Centrifugal Separators (AREA)
Abstract
The application discloses a flexible dewatering device for tertiary oil recovery produced liquid, which comprises a separation tank body, wherein a weir plate is arranged in the separation tank body, a separation chamber, a drainage chamber and a drainage chamber are respectively formed in the separation tank body through a baffle plate and the weir plate, a rotary baffle plate is movably arranged at a liquid inlet of the drainage chamber, and the rotary baffle plate is driven by an adjusting mechanism to be opened or closed; the device also comprises a separation assembly movably arranged at the two ends of the rotary baffle, when the rotary baffle is used for dewatering, the rotary baffle is opened to drive the separation assembly to be opened so as to be distributed at the liquid inlet, and the separation assembly is cleaned by the cleaning piece in the process of opening the separation assembly. The flexible dewatering device for the tertiary oil recovery produced liquid can further separate water of the produced liquid, rectify and separate oil which is not thoroughly separated in the water again, so that the oil is thoroughly dewatered, and the separation assembly can be cleaned through the cleaning rod arranged on the separation assembly in the process of opening the rotary baffle.
Description
Technical Field
The application relates to the technical field of petroleum exploitation, in particular to a flexible dewatering device for tertiary oil recovery produced liquid.
Background
In the prior art, the three-phase separator for oil-gas-water separation is used for realizing the separation of the produced liquid, so that when the three-phase separator is used, the produced liquid is subjected to oil-water separation through the separation effect of the coalescence rectifying plate, then the separated produced liquid flows into the tank body to realize the separation of oil and water, then when the liquid level rises to a certain height, the oil layer with small density flows into the oil chamber after the weir plate arranged in the tank, and then the water layer enters the water chamber, but actual research finds that after the produced liquid is separated through the coalescence rectifying plate and then enters the oil chamber, in the prior art, part of the liquid just started directly flows into the inlet of the water chamber after entering the tank body, so that part of the produced liquid is not separated for a certain time, and part of the liquid directly flows into the inlet of the water chamber, and in order to further improve the separation effect of the produced liquid, the valve is opened at the inlet of the water chamber, and then the oil rectifying plate is arranged, and when the initially separated oil liquid passes through the inlet of the water chamber, the rectifying plate is separated again;
the prior art has the following defects: the valve in the prior art needs to be provided with an independent triggering device, is inconvenient to use, and because the service cycle of the separator is longer, the separating plate is arranged inside the tank body, so that the separating plate arranged on the valve is difficult to clean, the separating effect is reduced, and the circulation of water is influenced.
Disclosure of Invention
The application aims to provide a flexible dewatering device for tertiary oil recovery produced liquid, which aims to solve the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions:
the flexible dewatering device for the tertiary oil recovery produced liquid comprises a separation tank body, wherein a weir plate is arranged in the separation tank body, and a separation chamber, an oil drainage chamber and a drainage chamber are respectively formed in the separation tank body through a baffle plate and the weir plate;
a rotary baffle plate is movably arranged at the liquid inlet of the water discharge chamber, and the rotary baffle plate is driven by an adjusting mechanism to be opened or closed; the separating assembly is movably arranged at two ends of the rotary baffle plate;
during dehydration, the rotary baffle is opened to drive the separation assembly to open so as to be distributed at the liquid inlet, and the separation assembly is cleaned by the cleaning piece in the process of opening the separation assembly.
Preferably, a fixed shell is arranged at the water inlet of the water draining chamber, the rotary baffle is rotatably arranged in the fixed shell, a torque spring is arranged at the position of the rotating shaft, and under the elastic action of the torque spring, the rotary baffle is closed in the fixed shell, so that the liquid inlet is closed.
Preferably, the separating assembly comprises a first separating plate and a second separating plate which is connected with the first separating plate in a sliding way, and one end of the first separating plate is rotatably arranged at the end part of the rotating baffle;
the fixed shell is internally provided with a second stop block, the end part of the second separation plate is provided with a first stop block, and the second separation plate is gradually pulled in the unscrewing process of the rotary baffle plate, so that the first stop block is propped against the second stop block to limit the displacement of the second separation plate.
Preferably, the first separating plate is provided with a second cleaning rod, the second separating plate is provided with a first cleaning rod, and the second separating plate is rotated away from the rotating baffle in the process, and under the limitation of the second stop block, the first separating plate and the second separating plate are subjected to relative sliding displacement, so that the first cleaning rod and the second cleaning rod can respectively clean the first separating plate and the second separating plate.
Preferably, the adjusting mechanism comprises a floating rod vertically arranged on the partition plate and a buoyancy block slidably arranged on the partition plate, a pull rope is fixedly arranged at the lower end of the floating rod, and one end of the pull rope is connected to the rotating baffle plate.
Preferably, the floating rod is provided with an adjusting component, the adjusting component comprises an adjusting rod sleeved on the outer wall of the floating rod in a sliding manner and a pressing block arranged at the top of the adjusting rod in a sliding manner, the lower end of the adjusting rod is provided with a conical block, and the conical block is connected with the pressing block through a connecting rod.
Preferably, the conical block is arranged in an extrusion groove formed in the bottom of the adjusting rod, and is in friction contact with the outer wall of the floating rod under the extrusion of the extrusion groove, so that the conical block is kept relatively fixed with the floating rod;
the buoyancy is supported below the conical block under the buoyancy of the liquid level, and the adjusting rod and the floating rod are driven to ascend.
Preferably, when the pressing block is pressed in the direction of the adjusting rod, the conical block is separated from the pressing groove by the action of the connecting rod, so that the adjusting rod and the floating rod can slide relatively.
Preferably, the upper end of the fixed shell is provided with a circulation round angle, and two side walls in the fixed shell are fixedly provided with limiting stop rods.
Preferably, an adjusting plate is rotatably arranged at the top end of the weir plate, and the adjusting plate and a rotating shaft of the weir plate are connected to the separation tank in a sealing and rotating manner.
In the technical scheme, the flexible dewatering device for the tertiary oil recovery produced liquid has the beneficial effects that:
according to the application, the rotary baffle plate for separating the water body is arranged at the liquid inlet of the drainage chamber, then the separation assemblies are respectively arranged at the two ends of the rotary baffle plate, when the rotary baffle plate is opened, the separation plates arranged at the two ends are driven to be opened adaptively, namely, the water of the produced liquid can be further separated, the oil which is not thoroughly separated in the water is rectified and separated again, so that the oil is dehydrated more thoroughly, the separation assemblies can be cleaned through the cleaning rods arranged on the separation assemblies in the opening process of the rotary baffle plate, the cleaning of the separation assemblies can be more conveniently and rapidly carried out, the cleanliness of the separation assemblies is improved, namely, the separation assemblies can be cleaned through the formation of the opening of the rotary baffle plate when the produced liquid is further separated, the circulation of the water body is ensured, and the water body after the produced liquid is separated is further separated.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of a structure provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of an internal structure according to an embodiment of the present application;
FIG. 3 is a schematic view of a part of a separation tank according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of a part of a separation tank according to an embodiment of the present application;
FIG. 5 is a schematic view of an enlarged structure at A according to an embodiment of the present application;
FIG. 6 is an enlarged schematic view of the structure at B according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a separating assembly and a rotating shutter when the rotating shutter is opened according to an embodiment of the present application;
FIG. 8 is a schematic diagram of an adjusting mechanism according to an embodiment of the present application;
FIG. 9 is a schematic view of a structure of a fixing case according to an embodiment of the present application;
FIG. 10 is a schematic view of a structure of a separating assembly and a rotating baffle according to an embodiment of the present application;
FIG. 11 is a schematic view showing a structure of a second separating plate according to an embodiment of the present application;
FIG. 12 is a schematic structural diagram of a flow conduit according to an embodiment of the present application;
FIG. 13 is a schematic cross-sectional view of a flow conduit according to an embodiment of the present application;
FIG. 14 is a schematic diagram of an explosion structure of a flow conduit and a conditioning conduit according to an embodiment of the present application;
fig. 15 is a schematic structural view of a weir plate and an adjusting plate according to an embodiment of the present application.
Reference numerals illustrate:
1. separating the tank body; 11. a drain chamber; 12. an oil discharge chamber; 13. a partition plate; 2. a first mist catcher; 21. a second mist catcher; 3. a feed cylinder; 31. a spiral cone; 4. a first liquid distribution plate; 41. a second liquid distribution plate; 5. coalescing the rectifying plate; 6. a flow conduit; 61. adjusting the pipeline; 601. a first flow port; 6101. a second flow port; 611. a limit column; 612. a threaded column; 613. an adjusting nut; 7. a weir plate; 71. an adjusting plate; 8. a buoyancy block; 81. a floating rod; 82. an adjusting rod; 811. a pull rope; 821. pressing the blocks; 822. an elastic member; 823. a connecting rod; 824. a conical block; 9. rotating the baffle; 10. a fixed case; 91. a first separation plate; 911. a first cleaning lever; 92. a second separation plate; 921. a second cleaning lever; 922. a first stopper; 101. a limit stop lever; 102. a second stopper; 103. and (5) circulating the round corners.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Referring to fig. 1-15, a flexible dewatering device for tertiary oil recovery produced liquid includes a separation tank 1, a weir plate 7 is arranged in the separation tank 1, and a separation chamber, a drainage chamber 12 and a drainage chamber 11 are respectively formed in the separation tank 1 through a partition plate 13 and the weir plate 7, and is characterized in that: a rotary baffle plate 9 is movably arranged at the liquid inlet of the water discharge chamber 11, and the rotary baffle plate 9 is driven by an adjusting mechanism to be opened or closed; and a separating component movably arranged at two ends of the rotating baffle plate 9.
During dehydration, the rotary baffle plate 9 is opened to drive the separation assembly to be opened so as to be distributed at the liquid inlet, and the separation assembly is cleaned by the cleaning piece in the process of opening the separation assembly. Specifically, when oil is discharged, the stroke of the rotary baffle plate 9 for opening drives the separation assembly to be opened at the liquid inlet of the drainage chamber 11 in the opening process of the separation assembly, namely, in the rear oil discharge process, the oil can pass through the liquid inlet in advance to be distributed at the liquid inlet, and in the opening process of the separation assembly, the water source is cleaned by the cleaning piece, so that the water source which is not thoroughly separated is separated again, and the oil in the water body can be separated again; in this embodiment, in the process of opening the separation assembly, the separation assembly can be cleaned by the cleaning member, the relative displacement occurs between the cleaning member and the separation assembly in the process of opening the separation assembly, that is, the cleaning member can clean the separation assembly, that is, in the application, the rotating baffle plate 9 for separating the water body is arranged at the position of the liquid inlet of the drainage chamber 11, then the separation assemblies are respectively arranged at the two ends of the rotating baffle plate 9, when the rotating baffle plate 9 is opened, the separating plates arranged at the two ends are driven to be adaptively opened, that is, the water of the produced liquid can be further separated, the oil liquid which is not thoroughly separated in the water is rectified and separated again, so that the oil liquid is dehydrated more thoroughly, and the separation assembly can be cleaned by the cleaning rod arranged on the separation assembly in the process of opening the rotating baffle plate 9, that is more convenient and quick, that is, the separation assembly can be cleaned more conveniently and quickly, that is, the separation assembly can be cleaned by the formation of the rotating baffle plate 9 is opened, the water body is further separated, the produced liquid is ensured, and the water body is further separated.
Specifically, the water inlet department of drain room 11 is provided with fixed casing 10, and rotatory baffle 9 rotates to set up in fixed casing 10, and the position department of axis of rotation is provided with torque spring, under the elasticity effect of torque spring, rotatory baffle 9 is closed in fixed casing 10 for the inlet is closed. In the initial state, when the initial state of the rotating barrier 9 is the inclined state, the application can facilitate the rotation of the rotating barrier 9 when the pull rope 811 is pulled upwards, namely, the opening of the rotating barrier 9 is further facilitated.
In this embodiment, the separating assembly includes a first separating plate 9191 and a second separating plate 92 slidably connected to the first separating plate 9191, where one end of the first separating plate 9191 is rotatably disposed at an end of the rotating baffle 9; a second stop block 102 is arranged in the fixed shell 10, a first stop block 922 is arranged at the end part of the second separation plate 92, and the second separation plate 92 is gradually pulled in the process of unscrewing the rotary baffle plate 9, so that the first stop block 922 abuts against the second stop block 102 to limit the displacement of the second separation plate 92.
Further, a second cleaning rod is disposed on the first separating plate 9191, a first cleaning rod 911 is disposed on the second separating plate 92, and during the rotation of the second separating plate 92 to the baffle 9, the first separating plate 9191 and the second separating plate 92 are relatively slidably displaced under the limitation of the second stop block 102, so that the first cleaning rod 911 and the second cleaning rod can clean the first separating plate 9191 and the second separating plate 92 respectively. Specifically, a torque spring is disposed at a rotating shaft between the first separating plate 9191 and the rotating baffle 9, and the first separating plate 9191 slides along the inner wall of the fixed housing 10 by elastic force of the torque spring, and the second stop block 102 and the first stop block 922 are disposed opposite to each other, that is, when the separating assembly moves, the second stop block 102 can abut against the first stop block 922, so that when the separating assembly moves, the first separating plate 92 and the second separating plate 92 can be pulled apart relatively to be disposed at the liquid inlet of the drainage chamber 11.
Further, the adjusting mechanism comprises a floating rod 81 vertically arranged on the partition plate 13 and a buoyancy block 8 slidably arranged on the partition plate 13, a pull rope 811 is arranged at the lower end of the floating rod 81, and one end of the pull rope 811 is connected to the rotating baffle plate 9. When the liquid level rises, the buoyancy block 8 can rise according to the rise of the liquid level, namely, the elasticity of the torque spring between the rotary baffle plate 9 and the fixed shell 10 can be overcome.
Further, an adjusting component is arranged on the floating rod 81, the adjusting component comprises an adjusting rod 82 sleeved on the outer wall of the floating rod 81 in a sliding mode and a pressing block 821 arranged at the top of the adjusting rod 82 in a sliding mode, a conical block 824 is arranged at the lower end of the adjusting rod 82, and the conical block 824 is connected with the pressing block 821 through a connecting rod 823.
Further, the conical block 824 is disposed in an extrusion groove formed at the bottom of the adjusting rod 82, and under the extrusion of the extrusion groove, the conical block 824 is in friction contact with the outer wall of the floating rod 81, and is kept relatively fixed with the floating rod 81; the extrusion groove formed by the adjusting rod 82 is separated, then the conical block 824 is not limited by the extrusion groove and expands outwards, so that the conical block 824 is not contacted with the floating rod 81 any more, the adjusting rod 82 can be moved at the moment, the adjusting rod 82 slides relative to the floating rod 81, then after the distance between the adjusting rod 82 and the floating rod 81 is determined, the pressing block 821 is loosened, under the elasticity of the elastic piece 822, the pressing block 821 moves upwards, then the conical block 824 is driven by the inner connecting rod 823 to enter the extrusion groove, the conical block 824 contracts inwards, friction is generated between the conical block 824 and the floating rod 81, namely, the adjusting rod 82 and the floating rod 81 are fixed, namely, the buoyancy block 8 can be adjusted to rise at the designated liquid level, and the rotating baffle 9 is convenient to open.
The buoyancy is supported under the conical block 824 by the buoyancy lower block of the liquid surface, and drives the adjusting rod 82 and the floating rod 81 to rise.
Further, when the pressing block 821 is pressed in the direction of the adjusting lever 82, the tapered block 824 is disengaged from the pressing groove by the action of the connecting rod 823, so that the adjusting lever 82 and the floating lever 81 can slide relatively.
Further: the upper end of the fixed shell 10 is provided with a circulation round angle 103, and two side walls in the fixed shell 10 are fixedly provided with limiting stop rods 101. In the present application, by arranging the limit stop lever 101 in the fixed housing 10, the second separation plate 92 can be blocked on the second separation plate 92 when the rotating baffle 9 is closed, so as to improve the stability of the second separation plate 92, and the second separation plate 92 can be abutted against the limit stop lever 101 and then the first separation plate 9191 and the second separation plate 92 can be contracted when the rotating baffle 9 is closed.
The application further provides a scheme; the top end of the weir plate 7 is rotatably provided with an adjusting plate 71, and the adjusting plate 71 and a rotating shaft of the weir plate 7 are hermetically and rotatably connected to the separation tank 1; as shown in fig. 15, the adjusting plate 71 is rotatably connected to the top of the weir plate 7, and the rotating shaft at one end passes through the separation tank 1 in a sealing manner, the highest height of the adjustment is the limit of the oil flowing into the oil discharging chamber 12, when the oil level exceeds the highest height of the adjustment, the oil discharging is performed, when the adjusting plate 71 is parallel to the weir plate 7, the oil discharging is highest, when the adjusting plate 71 is perpendicular to the weir plate 7, the oil discharging is lowest, and the oil discharging is determined by adjusting the inclination angle of the adjusting plate 71.
In the application, a flow pipe 6 communicated with a fixed shell 10 is arranged in a drainage chamber 11, the flow pipe 6 is vertically arranged in the drainage chamber 11, an adjusting pipe 61 is arranged in the flow pipe 6 in a sliding manner, the adjusting pipe 61 is arranged in the adjusting pipe 61 in a limiting manner through a limiting post 611, the top end of the limiting post 611 is inserted into the flow pipe 6, the bottom end of the limiting post 611 is connected in the adjusting pipe 61 in a sliding manner, a threaded post 612 is fixedly arranged at the top of the adjusting pipe 61, an adjusting nut 613 which is connected with the threaded post 612 in a threaded manner is rotatably arranged on the flow pipe 6, namely, when the adjusting nut 613 rotates, the adjusting nut 613 can rotate, and as the adjusting pipe 61 cannot rotate in the flow pipe 6, the threaded post 612 which is connected with the threads can be driven to move upwards through the rotation of the adjusting nut, namely, the adjusting pipe 61 can be driven to rise, namely, the height of a second flow opening 6101 can be adjusted, then the separated water is overlapped with a first flow opening 601, and the separated water can be discharged through the overlapped position of the first flow opening 601, namely, the produced height can be reasonably adjusted.
Still be provided with first cloth liquid board 4 and second cloth liquid board 41 in the jar body respectively, be provided with feed cylinder 3 and spiral toper section of thick bamboo 31 between first cloth liquid board 4 and the second cloth liquid board 41, spiral toper section of thick bamboo 31 is linked together with feed cylinder 3, feed cylinder 3 arranges in the below of first cloth liquid board 4, spiral toper section of thick bamboo 31 arranges in the top of second cloth liquid board 41, then, make the produced liquid at first through first cloth liquid board 4 rectification, make originally flow disorder's produced liquid distribution more even, then get into spiral toper section of thick bamboo 31 through the feeding, under the effect of spiral helicla flute in spiral toper section of thick bamboo 31, make liquid increase its velocity of flow, increase the mobile performance of liquid, can be that its mobility increases, make the liquid under the mixed state vibrate, make preliminary pre-separation state between oil body and the water, then carry out the rectification once more through second cloth liquid board 41, make the effect of fluid through second cloth liquid board 41 after, the effect of redistribution more evenly, namely more be convenient for produce liquid subsequent separation efficiency.
According to the application, the rotary baffle plate 9 for isolating the water body is arranged at the liquid inlet of the drainage chamber 11, and then the opening and closing of the rotary baffle plate 9 are controlled through the regulating mechanism, namely, the opening and closing of the rotary baffle plate is determined by utilizing the liquid level of the separated produced liquid in the tank body, so that the stability of the liquid level can be kept, for example, when the liquid level suddenly drops, the upper-layer oil liquid cannot not overflow the weir plate 7 and cannot flow out, at the moment, buoyancy is insufficient to move downwards, so that the rotary baffle plate 9 is closed, the liquid at the bottom cannot circulate, namely, the liquid level cannot be continuously reduced, the pressure stability in the tank body is improved to a certain extent, the oil-gas separation efficiency is improved, and the production energy consumption and the potential safety hazard are increased.
In the application, the buoyancy block 8 is arranged, then the liquid level of the produced liquid is utilized to automatically control the rotary baffle 9 to be opened, when the liquid level reaches a designated position, the rotary baffle 9 of the drainage chamber 11 is controlled to be opened, at the moment, the water layer at the bottom is separated for a certain time, then the water layer at the bottom can flow into the flow pipeline 6 through the opening of the rotary baffle 9, flows out through the second flow port 6101 formed on the adjusting pipeline 61 and is discharged into the drainage chamber 11; during specific separation, firstly, the produced liquid mixture is introduced into a first mist catcher 2, gas-liquid pre-separation is carried out under the dual actions of centrifugal force and gravity, most of gas is firstly separated by the first mist catcher 2, separated associated gas enters a second mist catcher 21 through a conduit, then is discharged from a gas outlet and enters a gas treatment system, and then respectively passes through a first liquid distribution plate 4, the produced liquid is firstly rectified through the first liquid distribution plate 4, so that the produced liquid which originally flows in disorder is distributed more uniformly, then enters a spiral cone 31 through feeding, the flow velocity of the liquid is increased under the action of a spiral groove in the spiral cone 31, the flow property of the liquid is increased, the liquid in a mixed state can vibrate under the increased flow property, the preliminary pre-separation state is carried out between an oil body and a water body, and then the liquid is continuously input, the produced liquid is rectified again through the second liquid distribution plate 41, so that the fluid is redistributed more uniformly after passing through the second liquid distribution plate 41, then flows into the separation chamber after being further separated through the coalescence rectification plate 5, when the liquid level of the separation chamber reaches the set height, the buoyancy block 8 is driven to rise, the buoyancy block 8 gradually abuts against the bottom of the adjusting rod 82 while rising, then the conical shape arranged inside the adjusting rod 82 and the floating rod 81 have larger friction force while continuously rising, namely, the floating rod 81 can be driven to synchronously move upwards while continuously rising, namely, the floating rod 81 pulls the connected pull rope 811, namely, the rotating baffle 9 is driven to rotate along the shaft connected with the fixed shell 10 in a rotating way, as shown in the state when the rotating baffle 9 is closed, after the rotating baffle 9 rotates along the shaft connected with the fixed shell 10 in a rotating way, the rotary baffle plate 9 is enabled to rotate to the state shown in fig. 7, the drainage chamber 11 is communicated with the separation chamber of the tank body, water at the bottom of the separation chamber is circulated into the flow pipeline 6 through the fixed shell 10, and in the opening process of the rotary baffle plate 9, the separation assemblies connected at the two ends of the separation chamber are respectively driven to move, and the separation assemblies are specifically: first, the second separating plate 92 is connected to the side wall of the fixed housing 10, and when moving, the second separating plate 92 assembly slides along the side wall of the fixed housing 10, as shown in fig. 6 (in the initial position, the second separating plate 92 is respectively abutted against the limiting baffle, and the shaft on which the first separating plate 9191 rotates with the rotating baffle 9 is provided with a torque elastic force, which can make the first separating plate 9191 abut against the side wall of the fixed housing 10 that is abutted against it), the separating assemblies are disposed at two ends of the rotating baffle 9, the second separating plate 92 assembly moves along the side wall of the fixed housing 10 from the position of the limiting baffle 101 to the position of the second stop 102, at this time, the first stop 922 provided on the second separating plate 92 abuts against the second stop 102 provided on the fixed housing 10, that is, to limit the movement of the second separating plate 92, and then with the continuous opening of the rotating baffle 9, the first separating plate 9191 is gradually pulled to move, namely, the first separating plate 9191 and the second separating plate 92 which are connected in a sliding manner are relatively pulled apart, when the rotating baffle 9 is completely opened, the first separating plate 9191 and the second separating plate 92 are completely pulled apart, in the process of relatively pulling apart the first separating plate 911 and the second separating plate, sliding occurs between the second cleaning rod 911 and the first separating plate 9191, namely, the first cleaning rod 911 and the second cleaning rod clean the second separating plate 92 and the first separating plate 9191 respectively, and then the cleaned impurities and oil sand flow out through the circulation fillets 103 formed on the fixed shell 10, namely, the first separating plate 9191 and the second separating plate 92 can be cleaned simultaneously while separating water is further rectified;
when the liquid level of the rotating baffle 9 needs to be adjusted to be opened by a designated height, as shown in fig. 8, a worker holds the top end of the adjusting rod 82 by hand, then presses the pressing block 821 downwards, the pressing block 821 drives the connected connecting rod 823 to move downwards, namely drives the connected conical block 824 to move downwards, the connecting rod is separated from the extrusion groove formed by the adjusting rod 82, then the conical block 824 is not limited by the extrusion groove and expands outwards, so that the conical block 824 is not contacted with the floating rod 81 any more, at the moment, the adjusting rod 82 can be moved to slide relative to the floating rod 81, then the pressing block 821 is released after the distance between the adjusting rod 82 and the floating rod 81 is determined, the pressing block 821 is moved upwards under the elasticity of the elastic piece 822, then the conical block 824 is driven to enter the extrusion groove by the inner connecting rod 823, friction is generated between the conical block 824 and the floating rod 81, namely the floating rod 81 is driven to move upwards by being pushed against the bottom of the adjusting rod 82 when the floating rod 8 is lifted, and then the rotating baffle 9 can be opened on the liquid level with the designated height;
when the produced liquid with larger water content is pumped (the water content of the produced liquid is measured by a technician, namely the height of a water discharge chamber and a water discharge chamber of the produced liquid is determined according to the water content, and detailed description is omitted), the water discharge chamber 11 with an adjustable flow port and the weir plate 7 with the highest height are arranged, namely the water discharge and oil discharge heights of the water discharge chamber 11 and the water discharge chamber 12 can be adjusted according to different water content, for example, when the water content of the produced liquid is relatively higher or lower, the produced liquid can be separated by a separator, and at the moment, the height of the weir plate 7 and the height of the second flow port 6101 can be adjusted to be lower, namely the produced liquid can be relatively quickly injected to the height of the discharged water when the produced liquid is injected into a tank body, namely, after separation, the time for injecting the produced liquid is reduced, and the discharged water discharge efficiency is improved;
specifically, when the height of the second flow opening 6101 is adjusted, the adjusting nut 613 is turned, so that the adjusting pipe 61 cannot rotate in the flow pipe 6, and the threaded column 612 in threaded connection can be driven to move upwards even through the rotation of the adjusting nut, that is, the adjusting pipe 61 can be driven to rise, that is, the height of the second flow opening 6101 can be adjusted, and then the adjusting nut 613 is turned, the separated water is discharged from the overlapping position of the first stage second flow opening 6101 of the first flow opening 601, that is, the height of the second flow opening 6101 is adjusted by turning the adjusting nut 613, and the water is discharged from the overlapping position of the second flow opening 6101 and the first flow opening 601 to be the drainage chamber 11.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (4)
1. The utility model provides a flexible dewatering device for tertiary oil recovery produced liquid, includes the knockout drum body (1), the inside of knockout drum body (1) is provided with weir plate (7), form separation chamber, oil extraction room (12) and drainage room (11) respectively through baffle (13), weir plate (7) in the knockout drum body (1), its characterized in that:
a rotary baffle (9) is movably arranged at the liquid inlet of the drainage chamber (11), and the rotary baffle (9) is driven by an adjusting mechanism to be opened or closed; the device also comprises a separation assembly which is movably arranged at two ends of the rotary baffle plate (9);
during dehydration, the rotary baffle (9) is opened to drive the separation assembly to be opened so as to be distributed at the liquid inlet, and in the process of opening the separation assembly, the separation assembly is cleaned by the cleaning piece;
the adjusting mechanism comprises a floating rod (81) vertically arranged on the partition plate (13) and a buoyancy block (8) slidably arranged on the partition plate (13), a pull rope (811) is fixedly arranged at the lower end of the floating rod (81), and one end of the pull rope (811) is connected to the rotating baffle plate (9);
the floating rod (81) is provided with an adjusting assembly, the adjusting assembly comprises an adjusting rod (82) sleeved on the outer wall of the floating rod (81) in a sliding mode and a pressing block (821) arranged at the top of the adjusting rod (82) in a sliding mode, the lower end of the adjusting rod (82) is provided with a conical block (824), and the conical block (824) is connected with the pressing block (821) through a connecting rod (823);
the conical block (824) is arranged in an extrusion groove formed in the bottom of the adjusting rod (82), and the conical block (824) is in friction contact with the outer wall of the floating rod (81) under the extrusion of the extrusion groove, so that the conical block is kept relatively fixed with the floating rod (81);
the buoyancy is supported under the conical block (824) under the buoyancy of the liquid level, and drives the adjusting rod (82) and the floating rod (81) to rise;
a fixed shell (10) is arranged at the water inlet of the water discharge chamber (11), the rotary baffle (9) is rotatably arranged in the fixed shell (10), a torque spring is arranged at the position of the rotary shaft, and under the elastic force of the torque spring, the rotary baffle (9) is closed in the fixed shell (10) so that the liquid inlet is closed;
the separating assembly comprises a first separating plate (91) and a second separating plate (92) which is connected with the first separating plate in a sliding way, and one end of the first separating plate (91) is rotatably arranged at the end part of the rotating baffle plate (9);
a second stop block (102) is arranged in the fixed shell (10), a first stop block is arranged at the end part of the second separation plate (92), and the second separation plate (92) is gradually pulled in the process of unscrewing the rotary baffle plate (9) so that the first stop block is propped against the second stop block (102) to limit the displacement of the second separation plate (92);
be provided with second clearance pole on first separation board (91), be provided with first clearance pole (911) on second separation board (92), second separation board (92) under the restriction of second dog (102) in-process that rotatory baffle (9) unscrewed, relative sliding displacement between first separation board (91) and second separation board (92) to make first clearance pole (911) and second clearance pole clear up first separation board (91) and second separation board (92) respectively.
2. A flexible dewatering device for tertiary oil recovery production fluid according to claim 1, characterized in that when the pressing block (821) is pressed in the direction of the adjusting rod (82), the conical block (824) is disengaged from the pressing groove by the action of the connecting rod (823) so that the adjusting rod (82) and the floating rod (81) can slide relatively.
3. A flexible dewatering device for tertiary oil recovery produced fluids as claimed in claim 2, wherein: the upper end of the fixed shell (10) is provided with a circulation round angle (103), and limiting stop rods (101) are fixedly arranged on two inner side walls of the fixed shell (10).
4. A flexible dewatering device for tertiary oil recovery produced fluids as claimed in claim 1, wherein; the top end of the weir plate (7) is rotatably provided with an adjusting plate (71), and the adjusting plate (71) and a rotating shaft of the weir plate (7) are connected to the separation tank body (1) in a sealing and rotating mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111087161.5A CN113717751B (en) | 2021-09-16 | 2021-09-16 | Flexible dewatering device for tertiary oil recovery produced liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087161.5A CN113717751B (en) | 2021-09-16 | 2021-09-16 | Flexible dewatering device for tertiary oil recovery produced liquid |
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| CN113717751A CN113717751A (en) | 2021-11-30 |
| CN113717751B true CN113717751B (en) | 2023-11-28 |
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| CN116808633B (en) * | 2023-08-31 | 2023-10-31 | 山东兴达环保科技有限责任公司 | Device for dewatering and anti-corrosion pretreatment of produced liquid |
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| CN206642883U (en) * | 2017-03-31 | 2017-11-17 | 江苏建筑职业技术学院 | Filtration system for gear box lubricating oil |
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| CN111747485A (en) * | 2020-07-28 | 2020-10-09 | 国家电网有限公司 | High-efficient oil-water separation transformer substation accident oil bath |
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| CN102667272A (en) * | 2009-11-03 | 2012-09-12 | Mks仪器公司 | Butterfly valve |
| CN104136088A (en) * | 2011-12-19 | 2014-11-05 | 康明斯过滤Ip公司 | Fuel water separator filter with water drain |
| EP2669441A1 (en) * | 2012-05-28 | 2013-12-04 | Urs Gassmann | Siphon with integrated cleaning function |
| CN206642883U (en) * | 2017-03-31 | 2017-11-17 | 江苏建筑职业技术学院 | Filtration system for gear box lubricating oil |
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| CN113717751A (en) | 2021-11-30 |
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