Underground carbon dioxide sealing and storing equipment

Abstract

The invention provides underground carbon dioxide sealing equipment, and relates to the field of underground carbon dioxide sealing equipment. The carbon dioxide underground sealing equipment comprises a storage tank and an air inlet box, a discharging pipe is connected to the middle of the lower surface of the storage tank in a penetrating mode, a discharging valve is arranged in the discharging pipe, an exhaust pipe is connected to one side of the upper surface of the storage tank in a penetrating mode, and an electromagnetic control valve is arranged in the exhaust pipe. A servo motor is arranged at the front end of the upper surface of the storage tank, an output shaft of the servo motor is fixedly connected with a driving rotating wheel, and a sleeve is connected to the middle of the upper surface of the storage tank in a penetrating mode. According to the underground carbon dioxide sealing equipment, harmful gases such as nitric oxide and sulfur dioxide in an emission source can be absorbed by arranging the detachable high-molecular polypropylene filter plate in the gas inlet box, and carbon dioxide gas in the emission source can be conveniently removed by arranging the sodium hydroxide solution in the storage tank.

Description

Technical Field

[0001] The present invention relates to the field of underground carbon dioxide storage equipment, and in particular to underground carbon dioxide storage equipment. Background Art

[0002] Underground carbon dioxide storage equipment is a technology that captures and compresses carbon dioxide produced by large emission sources and transports it to a selected location for long-term storage instead of releasing it into the atmosphere. This technology can mimic the mechanism of storing fossil fuels in nature and store carbon dioxide in formations.

[0003] However, existing underground carbon dioxide storage equipment is expensive, requires specific geological conditions, has poor flexibility, and can only remove carbon dioxide gas from emission sources. It cannot achieve good removal effects on harmful gases such as nitrogen oxides and sulfur dioxide from emission sources. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the present invention provides an underground carbon dioxide storage device, which solves the problems of high cost, requirement of specific geological conditions and poor flexibility of the existing underground carbon dioxide storage equipment. It also solves the problem that the existing underground carbon dioxide storage can only remove carbon dioxide gas from the emission source but cannot remove harmful gases such as nitrogen oxides and sulfur dioxide from the emission source.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a carbon dioxide underground storage device, including a storage tank and an air inlet box, a discharge pipe is connected through the middle of the lower surface of the storage tank, a discharge valve is arranged inside the discharge pipe, an exhaust pipe is connected through one side of the upper surface of the storage tank, an electromagnetic control valve is arranged inside the exhaust pipe, a servo motor is arranged at the front end of the upper surface of the storage tank, an active runner is fixedly connected to the output shaft of the servo motor, a casing is connected through the middle of the upper surface of the storage tank, a No. 1 bearing is fixedly connected to the upper part of the outer wall of the casing body, and two No. 1 sealing gaskets are fixedly connected to the upper part of the outer wall of the casing body;

[0008] A plurality of scrapers are fixedly connected to the lower part of the outer wall of the casing body, a plurality of porous cylinders are fixedly connected to the lower part of the outer wall of the casing body, an air intake pipe is fixedly connected to the upper end of the inner wall of the casing, a No. 2 bearing is fixedly connected to the lower end of the outer wall of the air intake pipe body, and two No. 2 sealing rings are fixedly connected to the lower end of the outer wall of the air intake pipe body;

[0009] The middle part of the front end outer wall of the air intake box is fixedly connected with a connecting plate by a plurality of bolts, the upper end of the air intake pipe is connected with the connecting plate, the front end and the rear end of the outer walls on both sides of the air intake box are fixedly connected with mounting blocks, a limiting groove is provided at the rear end of the upper surface of the air intake box, a polymer polypropylene filter plate is connected with the inner part of the limiting groove by snap-connection, a handle is fixedly connected with the middle part of the upper surface of the polymer polypropylene filter plate, a positioning hole is provided at the upper part of the rear end outer wall of the polymer polypropylene filter plate, a sliding groove is provided at the middle part of the rear end inner wall of the limiting groove, a threaded rod is threadedly connected to the middle part of the rear end inner wall of the sliding groove, a fixing block is rotatably connected to the front end of the threaded rod, and the fixing block is snap-connected with the positioning hole;

[0010] Through the above technical scheme, by using a servo motor with a driving wheel, a casing with a driven wheel, and a porous cylinder and a scraper arranged inside the casing, the sodium hydroxide solution is fully in contact with the carbon dioxide, and the absorption of the carbon dioxide is accelerated, thereby reducing the cost of carbon dioxide storage and improving the flexibility of the carbon dioxide underground storage equipment.

[0011] Preferably, the rear end of the threaded rod passes through the limiting groove to the outside of the air intake box and is fixedly connected to a rotating handle, and the fixed block slides inside the sliding groove;

[0012] Through the above technical solution, the staff can conveniently rotate the threaded rod through the turning handle to make the fixed block slide inside the slide groove, so that the fixed block is clamped inside the positioning hole, so that the high molecular weight polypropylene filter plate can be fixed inside the limiting groove.

[0013] Preferably, a plurality of windshield plates are fixedly connected to the middle portion of the rear end outer wall of the air intake box, and an air intake fan is arranged inside the air intake box;

[0014] Through the above technical solution, the gas in the emission source is conveniently injected into the casing through the intake pipe by the intake fan, and discharged from the porous cylinder, contacting with the sodium hydroxide solution injected into the storage tank through the injection pipe, and absorbing carbon dioxide gas.

[0015] Preferably, the No. 2 sealing ring gasket is located at the upper end and the lower end of the No. 2 bearing respectively, and the No. 2 bearing and the No. 2 sealing ring gasket are both fixed inside the sleeve;

[0016] Through the above technical solution, the No. 2 sealing ring is used to prevent gas from leaking between the intake pipe and the sleeve, and the No. 2 bearing does not affect the rotation of the intake pipe.

[0017] Preferably, the upper end of the outer wall of the sleeve body is fixedly connected with a driven rotating wheel, and the outer walls of the driven rotating wheel and the driving rotating wheel are both sleeved with a transmission belt;

[0018] Through the above technical solution, the servo motor is started through an external controller to rotate the driving wheel, and then the sleeve provided with the driven wheel is rotated in cooperation with the transmission belt.

[0019] Preferably, the No. 1 sealing ring gasket is respectively located at the upper end and the lower end of the No. 1 bearing, and the No. 1 bearing and the No. 1 sealing ring gasket are both fixed inside the storage tank;

[0020] Through the above technical solution, the No. 1 sealing ring gasket is used to prevent the gas inside the storage tank from leaking between the sleeves, and the No. 1 bearing can facilitate the rotation of the sleeve provided with the scraper, thereby allowing the sodium hydroxide solution to fully contact with the carbon dioxide and accelerate the absorption of the carbon dioxide.

[0021] Preferably, a material injection pipe is connected through the other side of the upper surface of the storage tank, and the upper end of the material injection pipe is fixedly connected to a sealing cover by a plurality of bolts;

[0022] Through the above technical solution, the sealing performance of the injection pipe can be ensured by the sealing cover.

[0023] Preferably, a protective frame is fixedly connected to the lower end of the outer wall of the storage tank, and an observation window is provided in the middle of the front outer wall of the storage tank;

[0024] Through the above technical solution, the staff can conveniently know the volume of the sodium hydroxide solution injected into the storage tank through the observation window, thereby preventing the sodium hydroxide solution from contacting the lower end of the exhaust pipe.

[0025] (III) Beneficial effects

[0026] The present invention provides a carbon dioxide underground storage device, which has the following beneficial effects:

[0027] 1. The present invention provides an underground carbon dioxide storage device, which can absorb harmful gases such as nitrogen oxides and sulfur dioxide in the emission source by arranging a detachable high-molecular polypropylene filter plate inside the air intake box, and conveniently remove the carbon dioxide gas in the emission source by arranging a sodium hydroxide solution inside the storage tank.

[0028] 2. The present invention provides an underground carbon dioxide storage device. By using a servo motor with a driving wheel, a casing with a driven wheel, and a porous cylinder and a scraper arranged inside the casing, a sodium hydroxide solution is fully in contact with carbon dioxide, and the absorption of carbon dioxide is accelerated, thereby reducing the cost of carbon dioxide storage and improving the flexibility of the underground carbon dioxide storage device. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the main structure of the present invention from a first viewing angle;

[0030] Figure 2is a schematic diagram of the main structure of the present invention from a second viewing angle;

[0031] Figure 3 It is a schematic diagram of the axial section structure of the present invention;

[0032] Figure 4 An exploded view of a local structure of the present invention;

[0033] Figure 5 It is a schematic diagram of the axial section structure of the air intake box of the present invention;

[0034] Figure 6 for Figure 3 The enlarged view of point A in the middle;

[0035] Figure 7 for Figure 4 The enlarged view of point B in the middle;

[0036] Figure 8 for Figure 5 Enlarged view of point C in the middle.

[0037] Among them, 1. Storage tank; 2. Protective frame; 3. Observation window; 4. Discharge pipe; 5. Discharge valve; 6. Injection pipe; 7. Sealing cover; 8. Exhaust pipe; 9. Solenoid control valve; 10. Servo motor; 11. Active rotor; 12. Sleeve; 13. Driven rotor; 14. Transmission belt; 15. No. 1 bearing; 16. No. 1 sealing ring gasket; 17. No. 2 bearing; 18. No. 2 sealing ring gasket; 19. Intake pipe; 20. Connecting plate; 21. Scraper; 22. Porous cylinder; 23. Intake box; 24. Mounting block; 25. Wind shield; 26. Intake fan; 27. Limiting groove; 28. Polypropylene filter plate; 29. ​​Handle; 30. Positioning hole; 31. Slide groove; 32. Threaded rod; 33. Turn handle; 34. Fixing block. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] like Figure 1-8As shown, an embodiment of the present invention provides a carbon dioxide underground storage device, including a storage tank 1 and an air inlet box 23, a discharge pipe 4 is connected through the middle of the lower surface of the storage tank 1, a discharge valve 5 is arranged inside the discharge pipe 4, an exhaust pipe 8 is connected through one side of the upper surface of the storage tank 1, an electromagnetic control valve 9 is arranged inside the exhaust pipe 8, a servo motor 10 is arranged at the front end of the upper surface of the storage tank 1, an output shaft of the servo motor 10 is fixedly connected to a driving wheel 11, a sleeve 12 is connected through the middle of the upper surface of the storage tank 1, a No. 1 bearing 15 is fixedly connected to the upper part of the outer wall of the sleeve 12, and two No. 1 sealing gaskets 16 are fixedly connected to the upper part of the outer wall of the sleeve 12;

[0040] A plurality of scrapers 21 are fixedly connected to the lower part of the outer wall of the casing 12, a plurality of porous cylinders 22 are fixedly connected to the lower part of the outer wall of the casing 12, an air inlet pipe 19 is fixedly connected to the upper end of the inner wall of the casing 12, a No. 2 bearing 17 is fixedly connected to the lower end of the outer wall of the air inlet pipe 19, and two No. 2 sealing rings 18 are fixedly connected to the lower end of the outer wall of the air inlet pipe 19;

[0041] A connecting plate 20 is fixedly connected to the middle of the front end outer wall of the air intake box 23 by a plurality of bolts, the upper end of the air intake pipe 19 is connected to the connecting plate 20, the front end and the rear end of the outer walls on both sides of the air intake box 23 are fixedly connected to the mounting blocks 24, a limiting groove 27 is provided at the rear end of the upper surface of the air intake box 23, a polymer polypropylene filter plate 28 is connected to the inner part of the limiting groove 27 by snap-connection, a handle 29 is fixedly connected to the middle part of the upper surface of the polymer polypropylene filter plate 28, a positioning hole 30 is provided at the upper part of the rear end outer wall of the polymer polypropylene filter plate 28, a slide groove 31 is provided at the middle part of the rear end inner wall of the limiting groove 27, a threaded rod 32 is threadedly connected to the middle part of the rear end inner wall of the slide groove 31, a fixing block 34 is rotatably connected to the front end of the threaded rod 32, and the fixing block 34 is snap-connected to the positioning hole 30;

[0042] By arranging a detachable high-molecular polypropylene filter plate 28 inside the air intake box 23, harmful gases such as nitrogen oxides and sulfur dioxide in the emission source can be absorbed, and by arranging a sodium hydroxide solution inside the storage tank 1, carbon dioxide gas in the emission source can be easily removed.

[0043] The rear end of the threaded rod 32 passes through the limiting groove 27 to the outside of the air intake box 23 and is fixedly connected to the rotating handle 33 and the fixing block 34 slides inside the sliding groove 31;

[0044] The turning handle 33 allows the worker to turn the threaded rod 32 to slide the fixing block 34 inside the slide groove 31 , so that the fixing block 34 is engaged with the inside of the positioning hole 30 , so that the high molecular weight polypropylene filter plate 28 can be fixed inside the limiting groove 27 .

[0045] A plurality of windshield plates 25 are fixedly connected to the middle of the rear end outer wall of the air intake box 23, and an air intake fan 26 is arranged inside the air intake box 23;

[0046] The gas in the emission source is conveniently injected into the sleeve 12 through the intake pipe 19 by the intake fan 26, and discharged from the porous cylinder 22, contacting with the sodium hydroxide solution injected into the storage tank 1 through the injection pipe 6, and absorbing the carbon dioxide gas.

[0047] The second sealing ring gasket 18 is respectively located at the upper end and the lower end of the second bearing 17, and the second bearing 17 and the second sealing ring gasket 18 are both fixed inside the sleeve 12;

[0048] The second sealing ring gasket 18 prevents gas from leaking between the intake pipe 19 and the sleeve 12, and the second bearing 17 does not affect the rotation of the intake pipe 19.

[0049] The upper end of the outer wall of the sleeve 12 is fixedly connected with a driven rotating wheel 13, and the outer walls of the driven rotating wheel 13 and the driving rotating wheel 11 are both sleeved with a transmission belt 14;

[0050] The servo motor 10 is started by an external controller to rotate the driving wheel 11, which in turn cooperates with the transmission belt 14 to rotate the sleeve 12 provided with the driven wheel 13.

[0051] The No. 1 sealing ring gasket 16 is respectively located at the upper end and the lower end of the No. 1 bearing 15 , and the No. 1 bearing 15 and the No. 1 sealing ring gasket 16 are both fixed inside the storage tank 1 ;

[0052] The No. 1 sealing ring gasket 16 prevents the gas inside the storage tank 1 from leaking from between the sleeves 12, and the No. 1 bearing 15 can facilitate the rotation of the sleeve 12 provided with the scraper 21, thereby allowing the sodium hydroxide solution to fully contact with the carbon dioxide and accelerate the absorption of the carbon dioxide.

[0053] A material injection pipe 6 is connected through the other side of the upper surface of the storage tank 1, and a sealing cover 7 is fixedly connected to the upper end of the material injection pipe 6 by a plurality of bolts;

[0054] The sealing of the injection pipe 6 can be ensured by the sealing cover 7 .

[0055] A protective frame 2 is fixedly connected to the lower end of the outer wall of the storage tank 1, and an observation window 3 is provided in the middle of the outer wall at the front end of the storage tank 1;

[0056] The observation window 3 allows the staff to know the volume of the sodium hydroxide solution injected into the storage tank 1 and prevents the sodium hydroxide solution from contacting the lower end of the exhaust pipe 8 .

[0057] Working principle: When using the underground carbon dioxide storage equipment, first, the sodium hydroxide solution in the storage tank 1 is injected through the injection pipe 6. Secondly, the air intake fan 26 is started through the external controller, so that the high molecular polypropylene filter plate 28 can absorb harmful gases such as nitrogen oxides and sulfur dioxide in the emission source, and the gas in the emission source is injected into the casing 12 through the air intake pipe 19, and discharged from the porous cylinder 22, and contacts with the sodium hydroxide solution injected into the storage tank 1 through the injection pipe 6, and absorbs carbon dioxide gas. Thirdly, the servo motor 10 is started through the external controller to rotate the driving wheel 11, and then cooperate with the transmission belt 14 to rotate the casing 12 provided with the driven wheel 13, and stir the sodium hydroxide solution through the scraper 21 provided on the outside of the casing 12, so that the sodium hydroxide solution is fully in contact with the carbon dioxide, and the absorption of carbon dioxide is accelerated, and the used sodium hydroxide solution is conveniently discharged from the storage tank 1 through the discharge pipe 4, and the storage tank 1 provided with the protective frame 2 is convenient for the staff to change the site, thereby improving the flexibility of the underground carbon dioxide storage equipment.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carbon dioxide underground storage device, comprising a storage tank (1) and an air intake box (23), characterized in that: A discharge pipe (4) is connected through the middle of the lower surface of the storage tank (1), and a discharge valve (5) is arranged inside the discharge pipe (4); an exhaust pipe (8) is connected through one side of the upper surface of the storage tank (1), and an electromagnetic control valve (9) is arranged inside the exhaust pipe (8); a servo motor (10) is arranged at the front end of the upper surface of the storage tank (1), and the output shaft of the servo motor (10) is fixedly connected to a driving wheel (11); a sleeve (12) is connected through the middle of the upper surface of the storage tank (1), and a No. 1 bearing (15) is fixedly connected to the upper part of the outer wall of the sleeve (12); and two No. 1 sealing gaskets (16) are fixedly connected to the upper part of the outer wall of the sleeve (12); A plurality of scrapers (21) are fixedly connected to the lower portion of the outer wall of the sleeve (12), a plurality of porous cylinders (22) are fixedly connected to the lower portion of the outer wall of the sleeve (12), an air intake pipe (19) is fixedly connected to the upper end of the inner wall of the sleeve (12), a No. 2 bearing (17) is fixedly connected to the lower end of the outer wall of the sleeve (19), and two No. 2 sealing rings (18) are fixedly connected to the lower end of the outer wall of the sleeve (19); A connecting plate (20) is fixedly connected to the middle of the front end outer wall of the air intake box (23) by a plurality of bolts, the upper end of the air intake pipe (19) is connected to the connecting plate (20), the front end and the rear end of the outer walls on both sides of the air intake box (23) are fixedly connected to mounting blocks (24), a limiting groove (27) is provided at the rear end of the upper surface of the air intake box (23), a high molecular weight polypropylene filter plate (28) is connected to the inside of the limiting groove (27), and the high molecular weight polypropylene filter plate (28) is connected to the upper surface of the air intake box (23). A handle (29) is fixedly connected to the middle of the upper surface of the filter plate (28); a positioning hole (30) is opened on the upper part of the rear end outer wall of the high molecular polypropylene filter plate (28); a slide groove (31) is opened in the middle of the rear end inner wall of the limiting groove (27); a threaded rod (32) is threadedly connected to the middle of the rear end inner wall of the slide groove (31); a fixing block (34) is rotatably connected to the front end of the threaded rod (32); and the fixing block (34) is snap-connected to the positioning hole (30).

2. The underground carbon dioxide storage device according to claim 1, characterized in that: The rear end of the threaded rod (32) passes through the limiting groove (27) to the outside of the air intake box (23) and is fixedly connected to a rotating handle (33). The fixed block (34) slides inside the sliding groove (31).

3. The underground carbon dioxide storage device according to claim 1, characterized in that: A plurality of wind shielding plates (25) are fixedly connected to the middle portion of the rear end outer wall of the air intake box (23), and an air intake fan (26) is arranged inside the air intake box (23).

4. The underground carbon dioxide storage device according to claim 1, characterized in that: The No. 2 sealing ring gasket (18) is respectively located at the upper end and the lower end of the No. 2 bearing (17), and the No. 2 bearing (17) and the No. 2 sealing ring gasket (18) are both fixed inside the sleeve (12).

5. The underground carbon dioxide storage device according to claim 1, characterized in that: The upper end of the outer wall of the sleeve (12) is fixedly connected to a driven rotating wheel (13), and the outer walls of the driven rotating wheel (13) and the driving rotating wheel (11) are both sleeved with a transmission belt (14).

6. The underground carbon dioxide storage device according to claim 1, characterized in that: The No. 1 sealing ring gasket (16) is respectively located at the upper end and the lower end of the No. 1 bearing (15), and the No. 1 bearing (15) and the No. 1 sealing ring gasket (16) are both fixed inside the storage tank (1).

7. The underground carbon dioxide storage device according to claim 1, characterized in that: A material injection pipe (6) is connected through the other side of the upper surface of the storage tank (1), and a sealing cover (7) is fixedly connected to the upper end of the material injection pipe (6) via a plurality of bolts.

8. The underground carbon dioxide storage device according to claim 1, characterized in that: A protective frame (2) is fixedly connected to the lower end of the outer wall of the storage tank (1), and an observation window (3) is provided in the middle of the front end outer wall of the storage tank (1).

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