Water-soluble gas separation device

Abstract

The utility model provides a water-soluble gas separation device, which relates to the technical field of fluid separation and comprises a barrel, a liquid separation mechanism is arranged at the top in the barrel, a gap is formed between the liquid separation mechanism and the inner side wall of the barrel, a water inlet pipe is further arranged on the outer wall of the barrel, and one end of the water inlet pipe sequentially penetrates through the side wall of the barrel to be connected with the liquid separation mechanism. Water entering the water inlet pipe flows to the bottom of the barrel through the liquid separation mechanism; the liquid distribution disc is arranged under the liquid distribution mechanism and connected with the inner side wall of the cylinder body, and a plurality of through holes are evenly formed in the liquid distribution disc. And the liquid discharge pipe and the exhaust pipe are respectively used for discharging the separated liquid and gas in the cylinder body. According to the gas-liquid separation device, water is distributed in a distribution manner and then is subjected to gas-liquid separation, so that the separation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid separation technical field, concretely relates to a water soluble gas separation device. BACKGROUND

[0002] In the development and utilization process of geothermal energy, CO2, H2S and other gases dissolved in geothermal water have important economic value and environmental protection significance; traditional gas-water separation devices generally have problems such as low separation efficiency, serious gas dissipation and poor system stability; the conventional decompression degassing method is easy to produce secondary aerosol in the gas-liquid separation process, which leads to gas carrying a large amount of water, affecting the subsequent gas treatment process; Chinese patent (publication number CN209507651U) discloses a middle-deep geothermal water water-soluble gas separation device, water-soluble gas type geothermal water extracted by a water pump enters the water chamber tower to separate the gas from the water, then the water vapor and the combustible gas pass through the separation liquid pipe and the re-separator in turn, the separated combustible gas is discharged through the separation gas pipe, at this time the dry combustible natural gas enters the high altitude point through the pipeline and is ignited, and the water vapor is discharged to the water storage device through the liquid containing pipe, but the simple separation tank structure is difficult to realize high-efficiency phase separation, and there is a risk of gas leakage or air backflow due to liquid seal failure. Therefore, the utility model provides a water-soluble gas separation device to improve the above problems. SUMMARY

[0003] Therefore, the utility model wants to overcome the defect that the water-soluble gas separation device in the prior art has low separation efficiency, so as to provide a water-soluble gas separation device.

[0004] In order to solve the above problems, the utility model provides a water-soluble gas separation device, which comprises:

[0005] The cylinder body is provided with a liquid separation mechanism at the top, and the liquid separation mechanism and the inner side wall of the cylinder body are provided with a gap, and the outer wall of the cylinder body is further provided with a water inlet pipe, one end of the water inlet pipe penetrates the side wall of the cylinder body and is connected to the liquid separation mechanism in sequence, and the water entering the water inlet pipe is discharged to the bottom of the cylinder body through the liquid separation mechanism;

[0006] The liquid separation disc is arranged below the liquid separation mechanism and connected to the inner side wall of the cylinder body, and a plurality of through holes are uniformly arranged on the liquid separation disc;

[0007] The liquid discharge pipe and the gas discharge pipe are used to discharge the separated liquid and gas in the cylinder body respectively.

[0008] Preferably, the liquid separation mechanism comprises a liquid separation cylinder, which is arranged between the inner side wall gap of the cylinder top and connected with a connecting block; the bottom of the liquid separation cylinder is uniformly provided with a plurality of liquid separation pipes, which are communicated with the liquid separation cylinder and extend downward; the water inlet pipe extends into the liquid separation cylinder and is connected with a branch pipe, which extends along the horizontal direction in the liquid separation cylinder and is uniformly provided with a plurality of liquid separation holes.

[0009] Preferably, the device further comprises a spoiler, which is intermittently arranged between the liquid separation disc and the liquid separation mechanism, and the two sides of the spoiler are connected with the inner side wall of the cylinder, and the plurality of spoilers form a flow channel along the height direction of the cylinder.

[0010] Preferably, the horizontal cross section of the spoiler is wavy.

[0011] Preferably, the liquid separation disc is provided with a frame at the edge of the through hole, the frame is arranged between the inner side wall of the cylinder, and the top of the frame is provided with a wavy notch.

[0012] Preferably, one end of the liquid discharge pipe penetrates into the cylinder from the outer side wall of the cylinder bottom, and the other end of the liquid discharge pipe is further connected with a U-shaped pipe.

[0013] Preferably, one end of the exhaust pipe penetrates into the cylinder from the center of the cylinder top, the other end of the exhaust pipe is connected with an inclined pipe, the end of the inclined pipe away from the exhaust pipe is inclined upward, and the end of the inclined pipe close to the exhaust pipe is further provided with a condensate water outlet.

[0014] Preferably, the inclined pipe is provided with a cooling pipe, the cooling pipe is arranged in the inclined pipe, and the two ends of the cooling pipe penetrate the inclined pipe and extend upward.

[0015] The water-gas separation device has the following beneficial effects:

[0016] 1. The liquid separation mechanism at the top of the cylinder can distribute the water entering the cylinder through the water inlet pipe, so that the water can uniformly act on the space in the cylinder for water-gas separation. The water distributed by the liquid separation mechanism further separates gas and liquid after acting on the liquid separation disc, so that the liquid finally flows downward to the bottom of the cylinder through the through hole and finally acts on the outside of the cylinder through the liquid discharge pipe, and the gas further upwardly discharges to the outside of the cylinder through the exhaust pipe. In this process, the water is distributed in the form of distribution and then gas-liquid separation is carried out again, so that the separation efficiency is improved.

[0017] 2. The utility model discloses still through the water of atomization further contact with the spoiler in the process of falling, make gas and water collide many times in the process of rising and falling, improve the separation efficiency;

[0018] 3. The utility model discloses still through the liquid separation disc is located the axial center position of cylinder, adopts the disc structure with 30 ° taper angle, and the diameter ratio is 0.7-0.8 of the inner diameter of cylinder, and the disc face evenly arranged aperture 4-6mm's through -hole, and the opening rate is 15-20%, and the edge sets 4cm high zigzag wavy frame, and the wave crest wave trough difference is 1.5cm, and this structure makes the atomized water fall and produce turbulence disturbance, prolongs gas-liquid contact time, promotes microbubble coalescence. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the assembly three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0021] Figure 3 It is the spoiler structure installation schematic diagram of the utility model;

[0022] Figure 4 It is the liquid separation cylinder structure installation schematic diagram of the utility model;

[0023] Figure 5 It is the frame structure installation schematic diagram of the utility model.

[0024] The figure mark shows as follows:

[0025] 1, cylinder body;2, water inlet pipe;3, liquid separation disc;4, through -hole;5, liquid outlet pipe;6, exhaust pipe;7, liquid separation cylinder;8, connecting block;9, liquid separation pipe;10, branch pipe;11, liquid separation hole;12, spoiler;13, frame;14, U-shaped pipe;15, inclined pipe;16, condensate water outlet;17, cooling pipe. DETAILED DESCRIPTION

[0026] As Figures 1-5 shown, the utility model provides a water solution gas separation device, it includes:

[0027] The cylinder body 1 is provided with a liquid distribution mechanism at the top inside, and a gap is provided between the liquid distribution mechanism and the inner side wall of the cylinder body 1. The outer wall of the cylinder body 1 is further provided with a water inlet pipe 2, one end of the water inlet pipe 2 penetrates the side wall of the cylinder body 1 and is connected to the liquid distribution mechanism in sequence, and the water entering the water inlet pipe 2 is distributed to the bottom of the cylinder body 1 through the liquid distribution mechanism. A liquid distribution disc 3 is arranged below the liquid distribution mechanism and connected to the inner side wall of the cylinder body 1. A plurality of through holes 4 are uniformly arranged on the liquid distribution disc 3. A liquid discharge pipe 5 and an exhaust pipe 6 are used to discharge the separated liquid and gas in the cylinder body 1 respectively. As shown in Figures 1-5 A water-soluble gas separation device is applied to separate water-soluble gas in water to separate water-soluble gas in geothermal water and reduce water vapor in water-soluble gas. The bottom of the cylinder body 1 is provided with a support for supporting and fixing the cylinder body 1. The liquid distribution mechanism at the top inside of the cylinder body 1 can distribute the water entering the cylinder body 1 through the water inlet pipe 2, so that the water can uniformly act on the space inside the cylinder body 1 for water-gas separation. The water distributed by the liquid distribution mechanism further separates gas-liquid after acting on the liquid distribution disc 3, so that the liquid finally flows downward to the bottom of the cylinder body 1 through the through holes 4 and is finally discharged to the outside of the cylinder body 1 through the liquid discharge pipe 5, while the gas further upwardly discharges to the outside of the cylinder body 1 through the exhaust pipe 6. In this process, the water is distributed in a distributed form and then gas-liquid separation is performed again, which improves the separation efficiency.

[0028] In some embodiments, the liquid distribution mechanism comprises a liquid distribution cylinder 7 which is arranged in a gap between the top inside of the cylinder body 1 and the inner side wall and is connected to a connecting block 8. The bottom of the liquid distribution cylinder 7 is uniformly provided with a plurality of liquid distribution pipes 9 which communicate with the liquid distribution cylinder 7 and extend downwardly. The water inlet pipe 2 extends into the liquid distribution cylinder 7 and is connected to a branch pipe 10 which extends in a horizontal direction inside the liquid distribution cylinder 7. A plurality of liquid distribution holes 11 are uniformly arranged on the branch pipe 10. As shown in Figures 1-5 The liquid distribution cylinder 7 of the liquid distribution mechanism is a hollow structure. The water entering the liquid distribution cylinder 7 through the water inlet pipe 2 is first distributed by the branch pipe 10 connected to the water inlet pipe 2, and then is redistributed by the plurality of liquid distribution holes 11 on the side of the branch pipe 10 and acts on the entire liquid distribution cylinder 7. In this process, partial gas-liquid separation is achieved. Then, the water is sprayed to the bottom of the cylinder body 1 through the liquid distribution pipes 9 at the bottom of the liquid distribution cylinder 7. The diameter of the spray holes of the liquid distribution pipes 9 is 2-3 mm, the hole spacing is 5-8 times the hole diameter, a fan-shaped atomized spray flow is formed, the spray angle is 30-45°, the droplet size distribution is ensured to be in the range of 50-200 μm, and the gas-liquid separation of water-soluble gas in water is achieved.

[0029] In some embodiments, further comprising: baffles 12, which are intermittently arranged between the distributor tray 3 and the distribution mechanism, and the two sides of the baffle 12 are connected to the inner wall of the cylinder 1, and the flow channels along the height direction of the cylinder 1 are formed between the baffles 12. Figures 1-5 As shown, the connection between the baffle 12 and the inner wall of the cylinder 1 can be bonding, clamping or bolt connection. The atomized water further contacts the baffle 12 in the downward process, so that the gas and water collide multiple times in the upward and downward processes, thereby improving the separation efficiency.

[0030] In some embodiments, the cross section of the baffle 12 in the horizontal direction is wavy. Figures 1-5 As shown, the baffle 12 is arranged in a wavy shape, which further increases the contact area of the baffle 12 and effectively improves the separation efficiency.

[0031] In some embodiments, the edge of the through hole 4 on the distributor tray 3 is provided with a frame 13, and the frame 13 is arranged in the gap between the inner wall of the cylinder 1 and the top of the frame 13 is provided with a wavy notch. Figures 1-5 As shown, the distributor tray 3 is located at the axial center of the cylinder 1, which adopts a disc-shaped structure with a 30° taper angle, and the diameter ratio is 0.7-0.8 of the inner diameter of the cylinder 1. The disc surface is uniformly arranged with through holes 4 with a hole diameter of 4-6 mm, and the opening rate is 15-20%. The edge is provided with a sawtooth wavy frame 13 with a height of 4 cm, and the difference between the wave crest and the wave trough is 1.5 cm. This structure causes the atomized water to produce turbulent disturbance in the falling process, prolongs the gas-liquid contact time, and promotes the coalescence of micro-bubbles.

[0032] In some embodiments, the outer wall of the cylinder is further provided with a liquid level meter to observe the liquid level in the cylinder in real time, and the liquid level in the cylinder is controlled below the distributor tray.

[0033] In some embodiments, one end of the drain pipe 5 penetrates into the cylinder 1 at the bottom outer wall of the cylinder 1, and the other end of the drain pipe 5 is further connected with a U-shaped pipe 14. Figures 1-5 As shown, the U-shaped pipe 14 connected with the drain pipe 5 forms a liquid seal, which can prevent the escape of internal gas when not discharged. The drain pipe 5 is provided with a stop valve to control the flow of the drain pipe 5.

[0034] In some embodiments, one end of the exhaust pipe 6 penetrates into the cylinder 1 at the top center of the cylinder 1, and the other end of the exhaust pipe 6 is connected with an inclined pipe 15, which is inclined upward away from the one end of the exhaust pipe 6. The one end of the inclined pipe 15 close to the exhaust pipe 6 is further provided with a condensate water outlet 16. Figures 1-5As shown, the gas of the exhaust pipe 6 is cooled to liquefy the water vapor, and is gathered to the condensate water outlet 16 through the inclined pipe 15, and the drain valve of the condensate water outlet 16 is opened to drain the condensate water.

[0035] In some embodiments, the inclined pipe 15 is provided with a cooling pipe 17, the cooling pipe 17 is arranged in the inclined pipe 15, and the two ends of the cooling pipe 17 extend upward through the inclined pipe 15. Figures 1-5 As shown, the cooling pipe 17 is filled with cooling medium, and the flow direction of the cooling medium is opposite to the direction of the exhaust gas, so as to further promote the separation of water in the exhaust gas.

[0036] The above only is the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application. The above only is the preferred embodiment of the present application, it should be pointed out that, for the ordinary skilled in the art, without departing from the technical principle of the present application, a number of improvements and modifications can be made, these improvements and modifications should also be regarded as the protection scope of the present application.

Claims

1. A water gas separation apparatus, characterized by, It includes: cylinder, the top of the cylinder is provided with a liquid distribution mechanism, the gap between the liquid distribution mechanism and the inner wall of the cylinder is provided, the outer wall of the cylinder is also provided with a water inlet pipe, one end of the water inlet pipe is connected in turn through the side wall of the cylinder and the liquid distribution mechanism, the water entering the water inlet pipe is discharged to the bottom of the cylinder through the liquid distribution mechanism; The liquid distribution disc is arranged below the liquid distribution mechanism and connected to the inner wall of the cylinder, and a plurality of through holes are uniformly arranged on the liquid distribution disc; The liquid discharge pipe and the gas discharge pipe are used to discharge the separated liquid and gas in the cylinder respectively.

2. The water-soluble gas separation device according to claim 1, wherein: The liquid distribution mechanism includes: a liquid distribution cylinder, which is arranged in the gap between the top of the cylinder and the inner wall, and is connected with a connecting block; the bottom of the liquid distribution cylinder is uniformly provided with a plurality of liquid distribution pipes, which communicate with the liquid distribution cylinder and extend downward; the water inlet pipe extends into the liquid distribution cylinder and is connected with a branch pipe, which extends horizontally in the liquid distribution cylinder; a plurality of liquid distribution holes are uniformly arranged on the branch pipe.

3. The water-soluble gas separation device according to claim 1, further comprising: A spoiler is intermittently arranged between the liquid distribution disc and the liquid distribution mechanism, and the two sides of the spoiler are connected with the inner wall of the cylinder, and the flow channels along the height direction of the cylinder are formed between a plurality of spoilers.

4. The water-soluble gas separation device according to claim 3, wherein: The cross section of the spoiler in the horizontal direction is wave-shaped.

5. The water-soluble gas separation device according to claim 1, wherein: A frame is arranged on the edge of the through hole on the liquid distribution disc, the frame is arranged in the gap between the inner wall of the cylinder, and a wave-shaped notch is arranged on the top of the frame.

6. The water-soluble gas separation device according to claim 1, wherein: One end of the liquid discharge pipe penetrates into the cylinder from the outer wall of the bottom of the cylinder, and the other end of the liquid discharge pipe is also connected with a U-shaped pipe.

7. The water-soluble gas separation device according to claim 1, wherein: One end of the gas discharge pipe penetrates into the cylinder from the center of the top of the cylinder, the other end of the gas discharge pipe is connected with an inclined pipe, the end of the inclined pipe away from the gas discharge pipe is inclined upward, and the end of the inclined pipe close to the gas discharge pipe is also provided with a condensate outlet.

8. The water-soluble gas separation device according to claim 7, wherein: A cooling pipe is arranged in the inclined pipe, the cooling pipe is arranged in the inclined pipe, and the two ends of the cooling pipe penetrate the inclined pipe and extend upward. ​

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