A separation device used in gas reservoir development

Abstract

This invention provides a separation device for gas reservoir development, belonging to the field of gas reservoir development technology. It includes a tank, with an inlet pipe and an outlet pipe fixedly connected to the top of the tank, and a drain pipe and an oil drain pipe fixedly connected to the bottom of the tank. A co-drive mechanism is also included, used to process emulsions within the fluid. The co-drive mechanism is connected to both the tank and the inlet pipe. By incorporating the co-drive mechanism, this invention allows the fluid to automatically stratify upon entering the tank, reducing the time required for the gas, oil, and water phases to settle and separate, thus improving the efficiency of fluid separation. Furthermore, the emulsion is demulsified before the fluid enters between the first and second baffles, resulting in more efficient settling and higher-quality fluid processing.

Description

Technical Field

[0001] This invention relates to the field of gas reservoir development technology, and in particular to a separation device for gas reservoir development. Background Technology

[0002] Gas reservoir development refers to the entire process of establishing a connection between the surface and underground natural gas reservoirs through drilling wells, and using the energy of the formation itself or artificially supplemented energy to lift the natural gas buried deep in the formation to the surface. During the gas reservoir development process, the fluid produced from the wellhead is a mixture of gas, liquid and solid phases. In order to improve the purity of natural gas production, separation devices are generally used to separate the gas, liquid and solid phases in the fluid.

[0003] Three-phase separators are currently the most commonly used fluid separators. The separation process of a three-phase separator is as follows: First, the fluid enters the separator for preliminary gas-liquid separation. Then, the liquid enters the oil-water settling zone and is separated into layers by the density difference between oil and water. The upper layer of oil overflows through the weir plate into the oil chamber and is discharged from the outlet, while the lower layer of water is discharged from the water chamber outlet. However, the fluid extracted from the wellhead undergoes intense shearing and agitation when passing through the nozzle, valves, and pipelines, causing the oil and water to mix highly and form an emulsion. The emulsion cannot be effectively separated by gravity settling alone, resulting in insufficient purity of water and oil produced by some three-phase separators.

[0004] Therefore, the present invention provides a separation device for gas reservoir development to meet the requirements. Summary of the Invention

[0005] The technical problem to be solved by this invention is to provide a separation device for gas reservoir development. By setting up a cooperative drive mechanism, the fluid can automatically stratify after entering the tank, reducing the time for the gas phase, oil phase and water phase to settle and separate, and improving the efficiency of fluid separation of this device. Moreover, before the fluid enters between the first and second baffles, the emulsion has been processed to break the emulsion, making the fluid settling process more efficient and the quality of the processed fluid higher. Through the above settings, the problems of low water and oil purity and low processing efficiency in the current three-phase separation device can be solved.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0007] A separation device for gas reservoir development includes a tank body. An inlet pipe and an outlet pipe are fixedly connected to the top of the tank body, and a drain pipe and an oil drain pipe are fixedly connected to the bottom of the tank body. A maintenance door is installed on one outer wall of the tank body. A first baffle, a second baffle, and a mist eliminator are fixedly connected to the inner wall of the tank body. The second baffle is installed on the bottom inner wall of the tank body and located between the drain pipe and the oil drain pipe. The mist eliminator is installed on the top inner wall of the tank body and corresponds to the position of the outlet pipe. A co-drive mechanism is also included. This co-drive mechanism is used to process emulsions within the fluid and is connected to both the tank body and the inlet pipe.

[0008] Optionally, the cooperative drive mechanism includes a hydrocyclone fixedly connected to the end of the feed pipe, an input pipe fixedly connected to the top outer wall of the hydrocyclone, the feed pipe and the hydrocyclone being fixed together by the input pipe, a water output pipe installed at the bottom of the hydrocyclone, a centrifuge cylinder fixedly connected to the end of the water output pipe away from the hydrocyclone, an oil output pipe installed at the top of the hydrocyclone, a flow divider fixedly connected to the end of the oil output pipe away from the hydrocyclone, a centrifuge disc rotatably connected inside the centrifuge cylinder, and a flow divider disc rotatably connected inside the flow divider.

[0009] Optionally, a first connecting pipe and a second connecting pipe are fixedly connected to the outer wall of the centrifuge cylinder. The centrifuge cylinder and the water output pipe are fixedly connected through the first connecting pipe. A water outlet pipe is fixedly connected to the end of the second connecting pipe away from the centrifuge cylinder. An oil outlet nozzle is fixedly connected to the outer wall of the diverter cylinder. Both the water outlet pipe and the oil outlet nozzle are inserted through the first partition plate.

[0010] Optionally, the bottom of the centrifuge cylinder is fixedly connected to a chassis by screws, a limit rod is rotatably connected inside the chassis, the centrifuge disc is rotatably connected to the top of the chassis, and the centrifuge disc and the chassis are limited by the limit rod.

[0011] Optionally, centrifugal discs are fixedly connected to the centrifugal disc, and the centrifugal disc and the centrifugal discs are integrally bent sheet metal structures.

[0012] Optionally, a top plate is fixedly connected to the top of the centrifuge tube by screws, a drive rod is rotatably connected inside the top plate, a drive plate is fixedly connected to the bottom end of the drive rod, the drive plate and the centrifuge tube are fixed together by a first connecting frame, and a connector is fixedly connected to the top end of the drive rod.

[0013] Optionally, a second connecting frame is fixedly connected to the top of the top plate by screws, and the top plate and the flow divider are fixedly connected by the second connecting frame. A top plate is fixedly connected to the top of the flow divider, and a third connecting pipe is fixedly connected to the middle position of the top plate. The flow divider and the oil output pipe are fixedly connected by the third connecting pipe.

[0014] Optionally, the top plate has an arc-shaped profile that protrudes towards the top of the diverter at the middle position, the bottom of the diverter plate is fixedly connected to an adapter head that matches the shape of the connector, and the top of the diverter plate is fixedly connected to a diverter plate with a gradient plate profile.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] In the above scheme, by setting up a hydrocyclone in the collaborative drive mechanism, the fluid can be initially separated under the action of centrifugal force. Moreover, during the separation process, the fluid will generate a shear effect under the action of centrifugal force of the hydrocyclone. The shear force can destroy some weak and stable emulsions and promote the coalescence of water droplets. Thus, on the basis of achieving separation of water phase and oil phase, the emulsion is initially treated, which improves the efficiency of the separation device in processing fluid.

[0017] By setting a centrifuge tube in the collaborative drive mechanism, the emulsion in the aqueous phase can be treated in a secondary manner, which improves the thoroughness of the emulsion treatment. At the same time, during the high-speed rotation of the centrifuge disc, the centrifuge blades will generate centrifugal force on the aqueous phase inside the centrifuge tube. Under the action of centrifugal force, it is easier to separate the gas phase in the aqueous phase, thereby improving the purity of the aqueous phase after fluid treatment.

[0018] By setting a flow divider in the collaborative drive mechanism, the gas phase, oil phase, and emulsion entering the flow divider are first dispersed into several small streams under the action of the flow divider plate. Then, as the flow divider plate rotates, the oil phase is divided into small streams and converges towards the edge of the flow divider under the action of centrifugal force. Due to the different densities of the gas phase, oil phase, and emulsion, the three are easier to separate. Moreover, the emulsion in the oil phase will also collide with the flow divider plate and demulsify under the action of centrifugal force. This not only improves the efficiency of gas phase and oil phase separation, but also achieves the demulsification effect of emulsion.

[0019] By setting up a collaborative drive mechanism, the fluid can automatically stratify after entering the tank, reducing the time for the gas phase, oil phase and water phase to settle and separate into layers, thus improving the efficiency of fluid separation in this device. Moreover, before the fluid enters between the first and second partitions, the emulsion has already been processed to break the emulsion, making the fluid settling process more efficient and the quality of the processed fluid higher. Attached Figure Description

[0020] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the invention and, together with the specification, further serve to explain the principles of the invention and enable those skilled in the art to practice and use the invention.

[0021] Figure 1 A three-dimensional structural diagram of the separation device used for gas reservoir development;

[0022] Figure 2 A cross-sectional three-dimensional structural diagram of the separation device used for gas reservoir development;

[0023] Figure 3 Diagram of the separation unit system used for gas reservoir development;

[0024] Figure 4 A magnified three-dimensional structural diagram of the hydrocyclone and its cooperating drive mechanism;

[0025] Figure 5 A magnified three-dimensional schematic diagram of a hydrocyclone;

[0026] Figure 6 A cross-sectional three-dimensional structural diagram of a hydrocyclone;

[0027] Figure 7 A magnified three-dimensional structural diagram illustrating the coordination of the drive mechanism;

[0028] Figure 8 A magnified three-dimensional schematic diagram of the centrifuge tube and drive rod in conjunction;

[0029] Figure 9 A cross-sectional three-dimensional structural diagram of the centrifuge cylinder and drive rod in conjunction;

[0030] Figure 10 A cross-sectional three-dimensional structural diagram showing the chassis, centrifugal disc, and drive rod in tandem.

[0031] Figure 11 A magnified three-dimensional schematic diagram of the centrifuge disc and centrifuge plates in combination;

[0032] Figure 12 An enlarged three-dimensional structural diagram of the centrifuge disc, the first connecting frame, and the drive rod in combination;

[0033] Figure 13 This is an enlarged three-dimensional structural diagram of the first connecting frame;

[0034] Figure 14 An enlarged three-dimensional structural diagram of the top plate, second connecting frame, drive rod, and flow divider.

[0035] Figure 15 This is an enlarged three-dimensional structural diagram of the second connecting frame;

[0036] Figure 16A cross-sectional three-dimensional structural diagram showing the assembly of the distributor tube, oil outlet, top plate, and distributor plate;

[0037] Figure 17 An enlarged three-dimensional structural diagram of the distribution plate, distribution plate, and adapter head.

[0038] Figure label:

[0039] 1. Tank body; 2. Maintenance door; 3. Feed pipe; 4. Drain pipe; 5. Oil drain pipe; 6. Exhaust pipe; 7. First baffle; 8. Second baffle; 9. Mist eliminator; 10. Hydrocyclone; 11. Input pipe; 12. Water output pipe; 13. Oil output pipe; 14. Centrifuge cylinder; 15. First connecting pipe; 16. Second connecting pipe; 17. Top plate; 18. Base plate; 19. Limiting rod; 20. Centrifuge disc; 21. Centrifuge blade; 22. First connecting frame; 23. Drive plate; 24. Drive rod; 25. Connector; 26. Second connecting frame; 27. Diverter cylinder; 28. Oil outlet; 29. ​​Top plate; 30. Third connecting pipe; 31. Diverter disc; 32. Diverter blade; 33. Adapter; 34. Water outlet pipe.

[0040] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of the present invention. However, this is only for illustrative purposes and is not intended to limit the present invention to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0041] The separation device for gas reservoir development provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0042] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0043] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0044] It is understood that the meanings of “on”, “above”, and “above” in this invention should be interpreted in the broadest manner, such that “on” means not only “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” means not only “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0045] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0046] like Figures 1 to 3As shown, an embodiment of the present invention provides a separation device for gas reservoir development, including a tank 1. An inlet pipe 3 and an exhaust pipe 6 are fixedly connected to the top of the tank 1, and a drain pipe 4 and an oil drain pipe 5 are fixedly connected to the bottom of the tank 1. A maintenance door 2 is installed on one outer wall of the tank 1. A first partition 7, a second partition 8, and a mist eliminator 9 are fixedly connected to the inner wall of the tank 1. The second partition 8 is installed on the bottom inner wall of the tank 1 and located between the drain pipe 4 and the oil drain pipe 5. The mist eliminator 9 is installed on the top inner wall of the tank 1 and corresponds to the position of the exhaust pipe 6. The internal space of the tank 1 is divided by the first partition 7 and the second partition 8. The tank is divided into three parts: a portion located at the feed pipe 3, a portion located at the drain pipe 4, and a portion located at the oil drain pipe 5 and the exhaust pipe 6. The fluid to be separated is transported into the tank 1 through the feed pipe 3. The separated water phase is discharged through the drain pipe 4, the oil phase is discharged through the oil drain pipe 5, and the gas phase is discharged through the exhaust pipe 6. The mist eliminator 9 is used to capture oil droplets mixed in the gas phase to improve the purity of the gas phase treatment. In addition, a maintenance door 2 is installed on the side wall of the tank 1 to facilitate maintenance personnel to open the tank 1 to inspect its internal structure, thereby improving the practicality of the tank 1.

[0047] As one implementation method in this embodiment, such as Figures 1 to 6 As shown, the cooperative drive mechanism is used to process emulsions in the fluid. The cooperative drive mechanism is connected to the tank 1 and the feed pipe 3, respectively. The cooperative drive mechanism includes a hydrocyclone 10 fixedly connected to the end of the feed pipe 3. An input pipe 11 is fixedly connected to the top outer wall of the hydrocyclone 10. The feed pipe 3 and the hydrocyclone 10 are fixed together via the input pipe 11. A water output pipe 12 is installed at the bottom of the hydrocyclone 10, and an oil output pipe 13 is installed at the top of the hydrocyclone 10. The fluid to be separated sequentially enters the hydrocyclone 10 at high speed along the feed pipe 3 and the input pipe 11. Under the action of centrifugal force, the denser water phase is thrown towards the hydrocyclone 10. The fluids are separated by centrifugal force. The fluids are separated by centrifugal force. The oil phase, gas phase, and emulsion with lower density move upward at the vertical axis of the hydrocyclone 10 and are eventually drawn into the oil output pipe 13. By setting the hydrocyclone 10, the fluids can be initially separated by centrifugal force. During the separation process, the fluids will generate a shearing effect under the centrifugal force of the hydrocyclone 10. The shearing force can destroy some weak and stable emulsions and promote the coalescence of water droplets. Thus, on the basis of separating the water phase and the oil phase, the emulsion is initially treated, which improves the efficiency of the separation device in processing fluids.

[0048] In this embodiment, as Figure 4 and Figures 7 to 13As shown, a centrifuge cylinder 14 is fixedly connected to the end of the water output pipe 12 away from the hydrocyclone 10. A centrifuge disc 20 is rotatably connected inside the centrifuge cylinder 14. A first connecting pipe 15 and a second connecting pipe 16 are fixedly connected to the outer wall of the centrifuge cylinder 14. The centrifuge cylinder 14 and the water output pipe 12 are fixedly connected by the first connecting pipe 15. A water outlet pipe 34 is fixedly connected to the end of the second connecting pipe 16 away from the centrifuge cylinder 14. A base plate 18 is fixedly connected to the bottom of the centrifuge cylinder 14 by screws. A limit rod 19 is rotatably connected inside the base plate 18. The centrifuge disc 20... The centrifugal disc 20 is rotatably connected to the top of the chassis 18, and the centrifugal disc 20 and the chassis 18 are limited by the limiting rod 19. Centrifugal plates 21 are fixedly connected to the centrifugal disc 20. The centrifugal disc 20 and the centrifugal plates 21 are integrally bent sheet metal structures. The top of the centrifugal cylinder 14 is fixedly connected to the top plate 17 by screws. The drive rod 24 is rotatably connected inside the top plate 17. The bottom end of the drive rod 24 is fixedly connected to the drive plate 23. The drive plate 23 and the centrifugal disc 20 are fixedly connected by the first connecting bracket 22. The top end of the drive rod 24 is fixedly connected to the connector 25.

[0049] As described above, after the fluid undergoes preliminary treatment by the hydrocyclone 10, the aqueous phase sequentially enters the centrifuge cylinder 14 along the water output pipe 12 and the first connecting pipe 15. Simultaneously, the aqueous phase contains a small amount of emulsion. The aqueous phase and the small amount of emulsion entering the centrifuge cylinder 14 collide with the centrifugal discs 21 on the surface of the centrifuge disc 20, causing the centrifuge disc 20 to rotate. During the continuous rotation of the centrifugal discs 21, the aqueous phase inside the centrifuge cylinder 14 is agitated, thereby achieving mixing and preventing the emulsion in the aqueous phase from agglomerating. This design allows the centrifuge cylinder 14 to perform secondary treatment on the emulsion in the aqueous phase, improving the thoroughness of the emulsion treatment. Furthermore, during the high-speed rotation of the centrifuge disc 20, the centrifugal discs 21 generate centrifugal force on the aqueous phase inside the centrifuge cylinder 14. Under the action of centrifugal force, it is easier to separate the gas phase within the aqueous phase, improving the purity of the aqueous phase after fluid treatment.

[0050] In this embodiment, as Figure 4 and Figures 14 to 17As shown, a diverter cylinder 27 is fixedly connected to the end of the oil output pipe 13 away from the hydrocyclone 10. A diverter plate 31 is rotatably connected inside the diverter cylinder 27. An oil outlet nozzle 28 is fixedly connected to the outer wall of the diverter cylinder 27. Both the water outlet pipe 34 and the oil outlet nozzle 28 are inserted through and inserted into the first partition plate 7. A second connecting bracket 26 is fixedly connected to the top of the top plate 17 by screws. The top plate 17 and the diverter cylinder 27 are fixed together by the second connecting bracket 26. The top of the diverter cylinder 27 is fixedly connected to the second connecting bracket 26. A top plate 29 is fixedly connected, and a third connecting pipe 30 is fixedly connected at the middle position of the top plate 29. The flow divider 27 and the oil output pipe 13 are fixed together by the third connecting pipe 30. The middle position of the top plate 29 is an arc-shaped profile that protrudes towards the top of the flow divider 27. An adapter head 33 that matches the shape of the connector head 25 is fixedly connected to the bottom of the flow divider plate 31. A flow divider plate 32 with a gradient plate profile is fixedly connected to the top of the flow divider plate 31.

[0051] As described above, the centrifuge disc 20 rotates synchronously with the drive rod 24. The drive rod 24 and the distribution disc 31 are fixed together by the connector 25 and the adapter 33. Therefore, when the aqueous phase drives the centrifuge disc 20 to rotate, the distribution disc 31 in the distribution cylinder 27 will also rotate synchronously. The gas phase, oil phase, and emulsion separated by the hydrocyclone 10 will sequentially enter the distribution cylinder 27 from top to bottom along the oil output pipe 13 and the third connecting pipe 30. The gas phase, oil phase, and emulsion entering the distribution cylinder 27 will contact the distribution plate 32 on the surface of the distribution disc 31. Since the distribution plate 32 has a gradually changing plate contour and the top of the distribution disc 31 is designed with... Several flow dividers 32 are installed, so the gas phase and oil phase entering the flow divider cylinder 27 from the third connecting pipe 30 will be divided into several small streams under the action of the flow dividers 32. During the rotation of the flow dividers 32, the several small streams of gas phase, oil phase and emulsion will rotate in the flow divider cylinder 27 and generate centrifugal force. Since the density of the oil phase is greater than that of the gas phase and emulsion, the oil phase will first converge towards the edge of the flow divider cylinder 27 under the action of centrifugal force. Since the flow dividers 32 are larger at the edge of the flow divider plate 31, they can wrap the oil phase and transport the oil phase to the oil outlet 28 during the continuous rotation of the flow divider plate 31.

[0052] With the above-described structure, the gas phase, oil phase, and emulsion entering the distribution cylinder 27 are first dispersed into several small streams under the action of the distribution plate 32. Then, as the distribution plate 31 rotates, the oil phase, which is divided into small streams, converges towards the edge of the distribution cylinder 27 under the action of centrifugal force. Due to the different densities of the gas phase, oil phase, and emulsion, the three are easier to separate. Moreover, the emulsion in the oil phase will also collide with the distribution plate 32 and demulsify under the action of centrifugal force, which not only improves the efficiency of gas phase and oil phase separation but also achieves the demulsification effect of the emulsion.

[0053] Furthermore, since the top plate 29 has a convex arc shape protruding towards the top of the distribution cylinder 27 at the middle position, the space inside the distribution cylinder 27 at the protruding position of the top plate 29 is larger. This setting ensures that there is enough space for the gas phase and emulsion to collide with the distribution plate 32 during the process of the oil phase converging towards the edge of the distribution cylinder 27 under the action of centrifugal force, thereby improving the separation effect of the gas phase and oil phase and improving the demulsification effect of the emulsion.

[0054] Optionally, the aqueous phase processed by the centrifuge 14 is finally discharged from the water outlet pipe 34, and the oil and gas phases processed by the separator 27 are finally discharged from the oil outlet 28. Since both the oil outlet 28 and the water outlet pipe 34 pass through the first partition 7, and the water outlet pipe 34 is located at the bottom of the oil outlet 28, the aqueous phase is located at the bottom of the tank 1 after entering between the first partition 7 and the second partition 8, the oil phase is located at the middle layer of the tank 1 after entering between the first partition 7 and the second partition 8, and the gas phase is located at the top layer of the tank 1. Compared with the prior art, this setting allows the fluid to automatically separate into layers after entering the tank 1, reducing the time for the gas, oil and aqueous phases to settle and separate into layers, improving the efficiency of fluid separation in this device. Moreover, before the fluid enters between the first partition 7 and the second partition 8, the emulsion has already been demulsified, making the fluid settling process more efficient and the quality of the processed fluid higher.

[0055] The working principle of the technical solution provided by this invention is as follows:

[0056] In use, the fluid to be treated is sequentially fed into the hydrocyclone 10 at high speed through the feed pipe 3 and the input pipe 11. Under the action of centrifugal force, the denser aqueous phase is thrown towards the inner wall of the hydrocyclone 10 and settles downward along the inner wall until it reaches the bottom of the hydrocyclone 10. The less dense oil phase, gas phase, and emulsion will move upward at the vertical axis of the hydrocyclone 10 and eventually be drawn into the oil output pipe 13. Under the action of centrifugal force, the fluid can be initially separated. Moreover, during the separation process, the fluid will generate a shearing effect under the action of centrifugal force in the hydrocyclone 10. The shearing force can destroy some weakly stable emulsions and promote the coalescence of water droplets. Thus, based on the separation of the aqueous and oil phases, the emulsion is initially treated.

[0057] After the fluid undergoes preliminary treatment by the hydrocyclone 10, the aqueous phase sequentially enters the centrifuge cylinder 14 via the water output pipe 12 and the first connecting pipe 15. Simultaneously, the aqueous phase contains a small amount of emulsion. The aqueous phase and the small amount of emulsion entering the centrifuge cylinder 14 impact the centrifugal discs 21 on the surface of the centrifuge disc 20, causing the disc 20 to rotate. During the continuous rotation of the centrifugal discs 21, the aqueous phase inside the centrifuge cylinder 14 is agitated, thereby achieving mixing and preventing the emulsion in the aqueous phase from agglomerating. This design allows the centrifuge cylinder 14 to effectively mix the emulsion in the aqueous phase. The liquid undergoes secondary treatment, which improves the thoroughness of emulsion treatment. At the same time, during the high-speed rotation of the centrifuge disc 20, the centrifuge blades 21 generate centrifugal force on the aqueous phase inside the centrifuge cylinder 14. Under the action of centrifugal force, it is easier to separate the gas phase in the aqueous phase, thereby improving the purity of the aqueous phase after fluid treatment. During the rotation of the centrifuge disc 20, the drive rod 24 will be driven to rotate synchronously. The drive rod 24 and the distribution disc 31 are fixed together by the connector 25 and the adapter 33. Therefore, when the aqueous phase drives the centrifuge disc 20 to rotate, the distribution disc 31 in the distribution cylinder 27 will also rotate synchronously.

[0058] The gas phase, oil phase, and emulsion separated by the hydrocyclone 10 will sequentially enter the distribution cylinder 27 from top to bottom along the oil output pipe 13 and the third connecting pipe 30. The gas phase, oil phase, and emulsion entering the distribution cylinder 27 will come into contact with the distribution plate 32 on the surface of the distribution plate 31. The gas phase and oil phase will be split into several small streams under the action of the distribution plate 32. During the rotation of the distribution plate 32, the several small streams of gas phase, oil phase, and emulsion will rotate in the distribution cylinder 27, and centrifugal force will be generated during the rotation. Since the density of the oil phase is greater than that of the gas phase and emulsion, the oil phase will first converge towards the edge of the distribution cylinder 27 under the action of centrifugal force. Since the distribution plate 32 is larger at the edge of the distribution plate 31, it can wrap the oil phase and deliver the oil phase to the oil outlet 28 during the continuous rotation of the distribution plate 31.

[0059] The aqueous phase processed by the centrifuge tube 14 is finally discharged from the water outlet pipe 34, and the oil and gas phases processed by the diverter tube 27 are finally discharged from the oil outlet 28. Since both the oil outlet 28 and the water outlet pipe 34 pass through the first partition 7 and the water outlet pipe 34 is located at the bottom of the oil outlet 28, when the aqueous phase enters between the first partition 7 and the second partition 8, it is located at the bottom of the tank 1 and is finally discharged from the drain pipe 4. When the oil phase enters between the first partition 7 and the second partition 8, it is located in the middle layer of the tank 1. After the oil phase liquid level rises, it will pass over the second partition 8 and finally be discharged from the oil outlet pipe 5. The gas phase is located at the top layer of the tank 1 and finally passes through the mist eliminator 9 and is discharged from the exhaust pipe 6.

[0060] This invention encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this invention. To provide the public with a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand the invention even without these details. Furthermore, to avoid unnecessary misunderstanding of the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0061] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A separation device for use in the production of a gas reservoir, comprising a tank, characterized in that, The top of the tank body is fixedly connected with an inlet pipe and an exhaust pipe, the bottom of the tank body is fixedly connected with a drain pipe and an oil discharge pipe, a maintenance door is installed on the outer wall of one side of the tank body, a first baffle, a second baffle and a mist catcher are fixedly connected to the inner wall of the tank body, the second baffle is installed on the inner wall of the bottom of the tank body and is located between the drain pipe and the oil discharge pipe, the mist catcher is installed on the inner wall of the top of the tank body and corresponds to the position of the exhaust pipe; A cooperative driving mechanism is used for processing emulsion in fluid, and the cooperative driving mechanism is connected with the tank body and the inlet pipe respectively; The cooperative driving mechanism comprises a hydrocyclone fixedly connected to the end of the inlet pipe, an input pipe is fixedly connected to the top outer wall of the hydrocyclone, the inlet pipe and the hydrocyclone are fixed through the input pipe, a water output pipe is installed at the bottom of the hydrocyclone, a centrifugal cylinder is fixedly connected to the end of the water output pipe away from the hydrocyclone, an oil output pipe is installed at the top of the hydrocyclone, a shunt cylinder is fixedly connected to the end of the oil output pipe away from the hydrocyclone, a centrifugal disc is rotatably connected in the centrifugal cylinder, and a shunt disc is rotatably connected in the shunt cylinder; A bottom disc is fixedly connected to the bottom of the centrifugal cylinder through screws, a limiting rod is rotatably connected in the bottom disc, and the centrifugal disc is rotatably connected to the top of the bottom disc and is limited by the limiting rod between the centrifugal disc and the bottom disc. A top disc is fixedly connected to the top of the centrifugal cylinder through screws, a driving rod is rotatably connected in the top disc, a driving plate is fixedly connected to the bottom end of the driving rod, the driving plate and the centrifugal disc are fixed through a first connecting frame, and a connecting head is fixedly connected to the top end of the driving rod. A second connecting frame is fixedly connected to the top of the top disc through screws, the top disc and the shunt cylinder are fixed through the second connecting frame, a top plate is fixedly connected to the top of the shunt cylinder, a third connecting pipe is fixedly connected to the middle position of the top plate, and the shunt cylinder and the oil output pipe are fixed through the third connecting pipe. The middle position of the top plate is an arc-shaped profile protruding towards the top of the shunt cylinder, a matching head matched with the shape of the connecting head is fixedly connected to the bottom of the shunt disc, a shunt piece is fixedly connected to the top of the shunt disc, and the shunt piece is a gradually changing piece profile.

2. The separation apparatus for gas reservoir exploitation according to claim 1, characterized in that, A first connecting pipe and a second connecting pipe are fixedly connected to the outer wall of the centrifugal cylinder, the centrifugal cylinder and the water output pipe are fixed through the first connecting pipe, an outlet pipe is fixedly connected to the end of the second connecting pipe away from the centrifugal cylinder, an oil outlet nozzle is fixedly connected to the outer wall of the shunt cylinder, and the outlet pipe and the oil outlet nozzle both penetrate and are inserted in the first baffle.

3. The apparatus of claim 1, wherein, A bottom disc is fixedly connected to the bottom of the centrifugal cylinder through screws, a limiting rod is rotatably connected in the bottom disc, and the centrifugal disc is rotatably connected to the top of the bottom disc and is limited by the limiting rod between the centrifugal disc and the bottom disc.

4. The apparatus of claim 1, wherein, The centrifugal disc is fixedly connected with a centrifugal sheet, and the centrifugal disc and the centrifugal sheet are an integral type of bent and formed metal plate structure.

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