Gas-liquid and mud-sand separation device for combustible ice exploitation

By designing a gas-liquid and mud-sand separation device for combustible ice mining including a reactor, a conveying pipeline, an outlet pipeline, a rotating mechanism and a sink, the problem of difficulty in removing mud and sand in the prior art is solved, and a more efficient gas-liquid separation and impurity removal effect is achieved.

CN222949845UActive Publication Date: 2025-06-06TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Patent Information

Application Number
CN202422336429.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-06-06
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

The existing combustible ice gas-liquid separation device is difficult to effectively remove mud, sand and other debris during the gas-liquid separation process, resulting in the problem of difficulty in removing debris.

Method used

A combustible ice mining gas-liquid and mud-sand separation device including a reactor, a conveying pipeline, an outlet pipeline, a rotating mechanism and a sink is designed. Gas condensed by providing a condensation tube in the air outlet pipeline, rotating and separation of the gas-liquid mixture is performed using a rotating mechanism, and a filter plate is provided in the water tank to filter water and remove impurities.

Benefits of technology

It effectively removes mud, sand and other debris generated during the separation of combustible ice gas and liquid, improving the cleanliness and convenience of use of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of combustible ice gasification, in particular to a combustible ice mining gas-liquid and mud-sand separation device which comprises a reaction furnace, a conveying pipeline is arranged on one side of the upper end of the reaction furnace, a gas outlet pipeline is fixedly installed on the other side of the reaction furnace, a condensation pipe is arranged in the gas outlet pipeline, and a gas outlet pipeline is fixedly installed on the other side of the reaction furnace. A gas pump is arranged at the upper end of the gas outlet pipeline, a bearing plate is fixedly mounted at the bottom end in the reaction furnace, and a condensation pipe is arranged in the gas outlet pipeline, so that gas generated by gasified combustible ice can be further condensed, water vapor in the gas is removed, and meanwhile, a rotating mechanism is arranged in the reaction furnace, so that the gas generated by the combustible ice can be further condensed. Under the action of the rotating mechanism, a combustible ice gas-liquid mixture conveyed into the device can be effectively separated in a rotating mode, the water tank is movably arranged under the reaction furnace, meanwhile, the filter plate is arranged in the water tank, and therefore water can be collected and filtered at the same time.
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Description

Technical Field

[0001] The utility model relates to the technical field of combustible ice gasification, in particular to a gas-liquid and mud-sand separation device for combustible ice mining. Background Art

[0002] Methane hydrate, also known as methane hydrate in academic terms, is a solid natural gas hydrate whose main component is methane (CH 4 ) and water (H 2 O). It is formed under specific temperature and pressure conditions, usually in a low-temperature and high-pressure environment deep in the ocean or in underground sediments in permafrost areas. Its formation requires low temperature (about 0°C to 10°C) and high pressure (tens to hundreds of atmospheres). As a potential new clean resource, combustible ice has important strategic value, so the equipment for mining combustible ice and separating gas and liquid from combustible ice came into being.

[0003] At present, when the combustible ice gas-liquid separation device is used to separate the gas-liquid mixture after the combustible ice is mined, there will usually be residual impurities, such as mud and sand, in the gas-liquid mixture produced after the combustible ice is mined. The existing gas-liquid separation device usually has a filter screen inside to filter the gas-liquid mixture of the combustible ice, but the remaining impurities after filtering are difficult to remove. Utility Model Content

[0004] The utility model aims at the deficiencies in the prior art and provides the following technical solutions: a gas-liquid and mud-sand separation device for combustible ice mining, comprising a reactor, a conveying pipeline is arranged on one side of the upper end of the reactor, the conveying pipeline is in an "L" shape, and a seabed drilling device is fixedly installed at the bottom of the conveying pipeline, an air outlet pipeline is fixedly installed on the other side of the reactor, a condenser is arranged inside the air outlet pipeline, an air pump is arranged at the upper end of the air outlet pipeline, a receiving plate is fixedly installed at the bottom end of the reactor, a rotating mechanism is arranged inside the reactor and at the upper end of the receiving plate, a water tank is installed directly below the reactor, an annular sealing groove is opened inside the lower end of the reactor, the upper end of the water tank is movably plugged into the inside of the annular sealing groove, a filter plate is fixedly installed inside the water tank, a driving mechanism for moving the water tank is arranged on the outside of the reactor, supporting legs are welded and fixed on both sides of the lower end of the reactor, a water outlet is fixedly installed on the outside of the water tank, and the water tank is located directly below the receiving plate.

[0005] As an improvement of the above technical solution, a plurality of through holes distributed at equal intervals are provided inside the receiving plate.

[0006] As an improvement of the above technical solution, a water pump is installed inside the delivery pipeline, and a valve is installed inside the water outlet.

[0007] As an improvement of the above technical solution, the rotating mechanism includes a rotating barrel fixedly mounted on the upper surface of a receiving plate, a motor is arranged directly below the rotating barrel, the output shaft of the motor is fixedly connected to a rotating rod, the rotating rod passes through the water tank and the receiving plate in sequence and is fixedly connected to the bottom of the rotating barrel, a plurality of nozzles distributed at equal intervals are fixedly mounted on the outer surface of the rotating barrel, and the nozzles are connected to the interior of the rotating barrel, a connecting pipe 1 and a connecting pipe 2 are respectively arranged at the upper end of the rotating barrel, the upper end of the connecting pipe 1 is connected to the air outlet pipeline, the connecting pipe 2 is connected to the conveying pipeline, and bearings are arranged at the connection between the connecting pipe 1 and the connecting pipe 2 and the rotating barrel.

[0008] As an improvement of the above technical solution, a sealing gasket is provided at the connection between the rotating rod connected to the motor output shaft and the water tank. The sealing gasket is fixedly installed on the lower surface of the water tank, and the rotating rod connected to the motor output shaft and the water tank are rotatably connected.

[0009] As an improvement of the above technical solution, the driving mechanism includes a mounting plate fixedly mounted on the lower side of the outer surface of the reactor, a rotating part is rotatably mounted on the lower end of the mounting plate through a rotating shaft, a screw rod is screwed inside the lower end of the rotating part, a fixing plate is fixedly connected to the lower end of the screw rod, the fixing plate is fixedly mounted on the outer surface of the water tank, and a threaded groove matching the screw rod is opened inside the rotating part.

[0010] As an improvement of the above technical solution, a pressure sensor display is fixedly installed on the outer surface of the reactor, and a pressure sensor is installed inside the reactor. The gas outlet pipeline extends from the seabed to the sea surface and is connected to a drilling platform.

[0011] Beneficial effects of the utility model:

[0012] By arranging an air outlet pipeline at the upper end of the reactor and arranging a condenser inside the air outlet pipeline, the gas separated from the combustible ice gas-liquid mixture can be condensed to remove water vapor in the gas. At the same time, a rotating mechanism is arranged inside the reactor. Under the action of the rotating mechanism, the combustible ice gas-liquid mixture transported to the inside of the device can be effectively rotated and separated. A water tank is movably arranged directly below the reactor, and a filter plate is arranged inside the water tank, so that water can be filtered while being collected. Since a driving mechanism for moving the water tank is arranged on the outside of the reactor, the water tank can be easily removed to remove impurities inside the water tank, thereby increasing the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1It is a three-dimensional structural diagram of the utility model;

[0014] Figure 2 It is a structural diagram of the interior of the reactor in the utility model;

[0015] Figure 3 It is a cross-sectional view of the water tank in the utility model;

[0016] Figure 4 For this utility model Figure 1 Enlarged structural diagram of point A in the middle.

[0017] Figure numerals: 1. Reactor; 11. Delivery pipeline; 111. Water pump; 112. Seabed drilling and production device; 12. Air outlet pipeline; 121. Condenser; 122. Air pump; 13. Annular sealing groove; 14. Pressure sensor display; 2. Support leg; 3. Water tank; 31. Filter plate; 32. Sealing gasket; 4. Water outlet; 41. Valve; 5. Rotating barrel; 51. Motor; 52. Nozzle; 53. Receiver plate; 6. Mounting plate; 61. Rotating part; 62. Screw rod; 63. Fixed plate; 7. Bearing; 8. Connecting pipe one; 9. Connecting pipe two. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0019] See also Figure 1-4 The utility model provides a technical solution: a combustible ice gas-liquid separation device, including a reactor 1, a conveying pipeline 11 is arranged on one side of the upper end of the reactor 1, the conveying pipeline 11 is in an "L" shape, and a seabed drilling device 112 is fixedly installed at the bottom of the conveying pipeline 11, an outlet pipeline 12 is fixedly installed on the other side of the reactor 1, a condenser 121 is arranged inside the outlet pipeline 12, an air pump 122 is arranged at the upper end of the outlet pipeline 12, a receiving plate 53 is fixedly installed at the bottom end of the reactor 1, and the reactor 1 is provided with a gas pump 122. A rotating mechanism is provided inside the furnace 1 and at the upper end of the receiving plate 53, a water tank 3 is installed directly below the reaction furnace 1, an annular sealing groove 13 is opened inside the lower end of the reaction furnace 1, the upper end of the water tank 3 is movably inserted into the annular sealing groove 13, a filter plate 31 is fixedly installed inside the water tank 3, a driving mechanism for moving the water tank 3 is provided on the outside of the reaction furnace 1, support legs 2 are welded and fixed on both sides of the lower end of the reaction furnace 1, a water outlet 4 is fixedly installed on the outside of the water tank 3, and the water tank 3 is located directly below the receiving plate 53.

[0020] In this embodiment, an outlet pipe 12 is provided at the upper end of the reactor 1, and a condenser 121 is provided inside the outlet pipe 12, so that the gas separated from the combustible ice gas-liquid mixture can be condensed, thereby removing water vapor in the gas. At the same time, a rotating mechanism is provided inside the reactor 1. Under the action of the rotating mechanism, the combustible ice gas-liquid mixture transported to the inside of the device can be effectively rotated and separated. A water tank 3 is movably provided just below the reactor 1, and a filter plate 31 is provided inside the water tank 3, so that water can be filtered while being collected. A driving mechanism for moving the water tank 3 is arranged on the outside, so that the water tank 3 can be easily removed and impurities inside the water tank 3 can be removed, which increases the convenience of using the device. At the same time, a seabed drilling device 112 is arranged at the bottom of the conveying pipeline 11, and critical CO2 is injected into the seabed drilling device 112 and the reactor 1 through the gas outlet pipeline 12, so that it can enter the combustible ice hydrate reservoir. On the one hand, CO2 is sealed, and on the other hand, a heat source is provided for the entire device. On the other hand, sealing CO2 (forming CO2 hydrate) also releases heat, thereby promoting the decomposition of combustible ice.

[0021] Specifically, a plurality of through holes distributed at equal intervals are formed inside the receiving plate 53 .

[0022] In this embodiment, after the gas-liquid mixture of combustible ice enters the reactor 1 , it passes over the receiving plate 53 , and under the action of the receiving plate 53 , enters the water tank 3 through the through holes opened on the receiving plate 53 .

[0023] Specifically, a water pump 111 is installed inside the delivery pipeline 11 , and a valve 41 is installed inside the water outlet 4 .

[0024] Specifically, the rotating mechanism includes a rotating barrel 5 fixedly mounted on the upper surface of a receiving plate 53, a motor 51 is arranged directly below the rotating barrel 5, the output shaft of the motor 51 is fixedly connected to a rotating rod, the rotating rod passes through the water tank 3 and the receiving plate 53 in sequence and is fixedly connected to the bottom of the rotating barrel 5, a plurality of nozzles 52 distributed at equal intervals are fixedly mounted on the outer surface of the rotating barrel 5, and the nozzles 52 are connected to the inside of the rotating barrel 5, a connecting pipe 1 8 and a connecting pipe 2 9 are respectively arranged on the upper end of the rotating barrel 5, the upper end of the connecting pipe 1 8 is connected to the air outlet pipeline 12, the connecting pipe 2 9 is connected to the conveying pipeline 11, and bearings 7 are arranged at the connection between the connecting pipe 1 8 and the connecting pipe 2 9 and the rotating barrel 5, a sealing gasket 32 ​​is arranged at the connection between the rotating rod connected to the output shaft of the motor 51 and the water tank 3, the sealing gasket 32 ​​is fixedly mounted on the lower surface of the water tank 3, and the rotating rod connected to the output shaft of the motor 51 is rotatably connected to the water tank 3.

[0025] In this embodiment, a rotating mechanism is provided inside the reactor 1. With the cooperation of the rotating barrel 5, the motor 51 and the nozzle 52 in the rotating mechanism, the motor 51 is started, and then the rotating barrel 5 is rotated. The combustible ice gas-liquid mixture enters the rotating barrel 5 through the connecting pipe 2 9. Under the action of high-speed rotation, water is sprayed out through the nozzle 52. Under high-temperature heating, a part of the gas is separated and discharged through the connecting pipe 1 8. The water ejected by the nozzle 52 is heated by the receiving plate 53 and undergoes secondary separation. The separated gas is discharged through the gas outlet pipe 12 at the top of the reactor 1.

[0026] Specifically, the driving mechanism includes a mounting plate 6 fixedly mounted on the lower side of the outer surface of the reactor 1, a rotating member 61 is rotatably mounted on the lower end of the mounting plate 6 via a rotating shaft, a screw rod 62 is screwed inside the lower end of the rotating member 61, a fixing plate 63 is fixedly connected to the lower end of the screw rod 62, the fixing plate 63 is fixedly mounted on the outer surface of the water tank 3, and a threaded groove matching the screw rod 62 is provided inside the rotating member 61.

[0027] In this embodiment, a driving mechanism for moving the water tank 3 is provided on the outer side of the reactor 1. With the cooperation of the mounting plate 6, the rotating member 61, the screw rod 62 and the fixed plate 63 in the driving mechanism, the screw rod 62 can be driven to move up and down by rotating the rotating member 61, thereby driving the water tank 3 to move up and down, and prompting the water tank 3 to be away from or installed at the bottom of the reactor 1. When the water tank 3 is away from the bottom of the reactor 1, it is convenient to clean the debris remaining after the filter plate 31 in the water tank 3 filters the water, thereby increasing the convenience during cleaning.

[0028] Specifically, a pressure sensor display screen 14 is fixedly installed on the outer surface of the reactor 1, and a pressure sensor is installed inside the reactor 1. The gas outlet pipeline 12 extends from the seabed to the sea surface and is connected to the drilling platform.

[0029] In this embodiment, a pressure sensor is arranged inside the reactor 1, so that the pressure inside the reactor 1 can be easily observed on the pressure sensor display screen 14. At the same time, supercritical CO2 can be injected into the well through the gas outlet pipe 12, and then enter the combustible ice hydrate reservoir after passing through the overall device. On the one hand, the CO2 is sealed, and on the other hand, a heat source is provided for the overall device. On another hand, the sealing of CO2 (forming CO2 hydrate) also releases heat, thereby promoting the decomposition of combustible ice.

[0030] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A gas-liquid and mud-sand separation device for combustible ice mining, comprising a reaction furnace (1), characterized in that: A delivery pipeline (11) is arranged on one side of the upper end of the reaction furnace (1), the delivery pipeline (11) is in an "L" shape, and a seabed drilling device (112) is fixedly installed at the bottom of the delivery pipeline (11), an air outlet pipeline (12) is fixedly installed on the other side of the reaction furnace (1), a condenser (121) is arranged inside the air outlet pipeline (12), an air pump (122) is arranged at the upper end of the air outlet pipeline (12), a receiving plate (53) is fixedly installed at the bottom end of the interior of the reaction furnace (1), and a gas outlet (122) is arranged inside the reaction furnace (1) and at the upper end of the receiving plate (53). A rotating mechanism is provided, a water tank (3) is installed directly below the reaction furnace (1), an annular sealing groove (13) is provided inside the lower end of the reaction furnace (1), the upper end of the water tank (3) is movably plugged into the inside of the annular sealing groove (13), a filter plate (31) is fixedly installed inside the water tank (3), a driving mechanism for moving the water tank (3) is provided on the outside of the reaction furnace (1), supporting legs (2) are welded and fixed on both sides of the lower end of the reaction furnace (1), a water outlet (4) is fixedly installed on the outside of the water tank (3), and the water tank (3) is located directly below the receiving plate (53).

2. The gas-liquid and mud-sand separation device for combustible ice mining according to claim 1 is characterized by: The receiving plate (53) is provided with a plurality of through holes distributed at equal intervals inside.

3. The gas-liquid and mud-sand separation device for combustible ice mining according to claim 1 is characterized by: A water pump (111) is installed inside the delivery pipeline (11), and a valve (41) is installed inside the water outlet (4).

4. The gas-liquid and mud-sand separation device for combustible ice mining according to claim 1 is characterized by: The rotating mechanism comprises a rotating barrel (5) fixedly mounted on the upper surface of a receiving plate (53); a motor (51) is arranged directly below the rotating barrel (5); an output shaft of the motor (51) is fixedly connected to a rotating rod; the rotating rod sequentially penetrates the water tank (3) and the receiving plate (53) and is fixedly connected to the bottom of the rotating barrel (5); a plurality of nozzles (52) distributed at equal intervals are fixedly mounted on the outer surface of the rotating barrel (5); the nozzles (52) are connected to the inside of the rotating barrel (5); a connecting pipe 1 (8) and a connecting pipe 2 (9) are respectively arranged at the upper end of the rotating barrel (5); the upper end of the connecting pipe 1 (8) is connected to an air outlet pipeline (12); the connecting pipe 2 (9) is connected to a delivery pipeline (11); and bearings (7) are arranged at the connection between the connecting pipe 1 (8) and the connecting pipe 2 (9) and the rotating barrel (5).

5. The gas-liquid and mud-sand separation device for combustible ice mining according to claim 4 is characterized by: A sealing gasket (32) is provided at the connection between the rotating rod connected to the output shaft of the motor (51) and the water tank (3); the sealing gasket (32) is fixedly mounted on the lower surface of the water tank (3); and the rotating rod connected to the output shaft of the motor (51) and the water tank (3) are rotatably connected.

6. The gas-liquid and mud-sand separation device for combustible ice mining according to claim 1 is characterized by: The driving mechanism comprises a mounting plate (6) fixedly mounted on the lower side of the outer surface of the reaction furnace (1); a rotating member (61) is rotatably mounted on the lower end of the mounting plate (6) via a rotating shaft; a screw rod (62) is screwedly mounted inside the lower end of the rotating member (61); a fixing plate (63) is fixedly connected to the lower end of the screw rod (62); the fixing plate (63) is fixedly mounted on the outer surface of the water tank (3); and a threaded groove matching the screw rod (62) is provided inside the rotating member (61).

7. The gas-liquid and mud-sand separation device for combustible ice mining according to claim 1 is characterized by: A pressure sensor display screen (14) is fixedly mounted on the outer surface of the reactor (1), and a pressure sensor is installed inside the reactor (1); the gas outlet pipeline (12) extends from the seabed to the sea surface and is connected to a drilling platform.