Carbon dioxide capture tubular ultrafiltration membrane

Abstract

The utility model discloses a tubular ultrafiltration membrane for carbon dioxide capture, which relates to the technical field of carbon dioxide capture and comprises an adjusting tube, a threaded sleeve is fixed on the outer surface of the adjusting tube, a fixing cover is in threaded connection between the inner walls of the threaded sleeve, a plurality of side openings are formed in the outer surface of the fixing cover at equal intervals in the circumferential direction, and the side openings are communicated with the adjusting tube. A fixed cover is arranged in the threaded sleeve, a gas outlet pipe is fixed at the top of the fixed cover, the gas outlet pipe is communicated to the interior of the fixed cover, a filter membrane body is arranged on the outer surface of the fixed cover, and one side of the filter membrane body extends to the interior of the threaded sleeve. The filter membrane body can be supported through the air inlet pipe, meanwhile, when air is filtered, carbon dioxide is reserved in the filter membrane body, other gas is diffused out, and finally the carbon dioxide gas in the filter membrane body can be discharged and collected by opening the air outlet pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon dioxide capture, in particular to a carbon dioxide capture tubular ultrafiltration membrane. Background Art

[0002] Carbon dioxide, a carbon oxide, has the chemical formula CO2. It is a colorless and tasteless or colorless and odorless gas at room temperature and pressure, and its aqueous solution has a slightly sour taste. It is also a common greenhouse gas and a component of air (accounting for 0.03%-0.04% of the total volume of the atmosphere).

[0003] At present, when collecting carbon dioxide from the air, a filter membrane is usually used to filter the carbon dioxide so that other gases in the air can be filtered out. However, it is inconvenient to control the on and off of the air during filtration, and when the air supply rate is large, it will impact the filter membrane, causing the filter membrane to be damaged, affecting the filtration purity of the carbon dioxide. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The utility model provides a carbon dioxide capture tube type ultrafiltration membrane, which solves the technical problems that it is inconvenient to control the on and off of air during filtration, and when the air supply rate is large, it will impact the filter membrane, causing damage to the filter membrane and affecting the filtration purity of carbon dioxide.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A carbon dioxide capture tube-type ultrafiltration membrane comprises an adjusting tube, a threaded sleeve is fixed to the outer surface of the adjusting tube, a fixed cover is threadedly connected between the inner walls of the threaded sleeve, a plurality of side openings are equidistantly provided on the outer surface of the fixed cover along the circumferential direction, an air outlet pipe is fixed to the top of the fixed cover, the air outlet pipe is connected to the interior of the fixed cover, a filter membrane body is arranged on the outer surface of the fixed cover, and one side of the filter membrane body extends to the interior of the threaded sleeve.

[0009] Preferably, the other side of the filter membrane body extends to the outer surface of the air outlet pipe, and the outer surface of the air outlet pipe is threadedly connected with a locking sleeve.

[0010] Preferably, the other side of the filter membrane body is arranged between the inner wall of the locking sleeve and the outer surface of the air outlet pipe, and the top of the regulating tube is closed.

[0011] Preferably, a plurality of air outlets are provided on the outer surface of the regulating tube near the top edge at equal intervals in the circumferential direction, and a movable block is slidably connected to the inside of the regulating tube.

[0012] Preferably, the outer surface of the movable block is sealed to the inner wall of the regulating tube.

[0013] Preferably, a plurality of side flow channels are provided on the outer surface of the movable block at equal intervals along the circumferential direction, and the bottoms of the plurality of side flow channels all penetrate to the bottom of the movable block.

[0014] Preferably, a guide rod is fixed at the middle part of the bottom of the movable block, a fixing ring is fixed between the inner walls of the adjusting tube, and the inner wall of the fixing ring fits with the outer surface of the guide rod.

[0015] Preferably, a spring is fixed to the bottom of the movable block, the bottom of the spring is fixed to the top of the fixing ring, an air intake pipe is fixed to one side of the guide rod, one end of the air intake pipe extends to the outer surface of the guide rod and is located above the fixing ring.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. In the utility model, when using the device, firstly, the fixed cover is installed inside the threaded sleeve, and then the filter membrane body is arranged on the outer surface of the fixed cover so that the filter membrane body can be supported. At the same time, when filtering the air, the carbon dioxide is retained inside the filter membrane body and other gases are diffused out, and finally the air outlet pipe is opened so that the carbon dioxide gas inside the filter membrane body can be discharged and collected.

[0019] 2. In the utility model, a movable block is slidably connected between the inner walls of the regulating tube, and a plurality of side flow channels are opened on the outer surface of the movable block, so that the plurality of side flow channels penetrate to the bottom, so as to guide the gas. When the guide rod is pressed to push the movable block to the inner top surface of the regulating tube, the side flow channels correspond to the gas outlet, so that the gas supplied by the intake pipe can flow into the interior of the fixed cover. When not in use, the movable block is reset by the elastic force of the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model provides a main perspective structural diagram of a carbon dioxide capture tube-type ultrafiltration membrane;

[0021] Figure 2 The utility model provides a schematic diagram of a three-dimensional structure of a carbon dioxide capture tube ultrafiltration membrane when viewed from above;

[0022] Figure 3 The utility model provides a cross-sectional three-dimensional structural schematic diagram of a carbon dioxide capture tube-type ultrafiltration membrane;

[0023] Figure 4 For this utility model Figure 3 Magnified view at A in the middle.

[0024] Figure numerals: 1. adjusting tube; 2. threaded sleeve; 3. filter membrane body; 4. air outlet pipe; 5. locking sleeve; 6. guide rod; 7. air inlet pipe; 8. fixed cover; 9. side port; 10. fixing ring; 11. spring; 12. air outlet; 13. movable block; 14. side flow channel. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0026] Embodiment 1, as Figure 1-4 As shown, the utility model provides a technical solution for a carbon dioxide capture tubular ultrafiltration membrane: it includes an adjusting tube 1, a threaded sleeve 2 is fixed on the outer surface of the adjusting tube 1, a fixed cover 8 is threadedly connected between the inner walls of the threaded sleeve 2, a plurality of side openings 9 are equidistantly provided on the outer surface of the fixed cover 8 along the circumferential direction, an air outlet pipe 4 is fixed on the top of the fixed cover 8, the air outlet pipe 4 is connected to the interior of the fixed cover 8, a filter membrane body 3 is provided on the outer surface of the fixed cover 8, and one side of the filter membrane body 3 extends to the interior of the threaded sleeve 2.

[0027] The effect achieved by the entire embodiment 1 is that when using the device, the fixed cover 8 is first installed inside the threaded sleeve 2, and then the filter membrane body 3 is arranged on the outer surface of the fixed cover 8, so that the filter membrane body 3 can be supported, and when filtering the air, carbon dioxide is retained inside the filter membrane body 3, and other gases are diffused out, and finally the outlet pipe 4 is opened so that the carbon dioxide gas inside the filter membrane body 3 can be discharged and collected;

[0028] The invention solves the technical problems that it is inconvenient to control the on and off of air during filtration, and when the air supply rate is high, it will impact the filter membrane, causing damage to the filter membrane and affecting the filtration purity of carbon dioxide.

[0029] Embodiment 2, as Figure 1-4As shown, the other side of the filter membrane body 3 extends to the outer surface of the outlet pipe 4, the outer surface of the outlet pipe 4 is threadedly connected with a locking sleeve 5, the other side of the filter membrane body 3 is arranged between the inner wall of the locking sleeve 5 and the outer surface of the outlet pipe 4, the top of the regulating pipe 1 is closed, and the outer surface of the regulating pipe 1 is close to the top edge and is provided with a plurality of outlets 12 equidistantly along the circumferential direction, the inside of the regulating pipe 1 is slidably connected with a movable block 13, the outer surface of the movable block 13 is sealed with the inner wall of the regulating pipe 1, and the outer surface of the movable block 13 is equidistantly along the circumferential direction A plurality of side channels 14 are provided, and the bottoms of the plurality of side channels 14 all penetrate to the bottom of the movable block 13. A guide rod 6 is fixed to the middle part of the bottom of the movable block 13. A fixing ring 10 is fixed between the inner walls of the adjusting tube 1. The inner wall of the fixing ring 10 and the outer surface of the guide rod 6 fit each other. A spring 11 is fixed to the bottom of the movable block 13. The bottom of the spring 11 is fixed to the top of the fixing ring 10. An air intake pipe 7 is fixed to one side of the guide rod 6. One end of the air intake pipe 7 extends to the outer surface of the guide rod 6 and is located above the fixing ring 10.

[0030] The effect achieved by the entire embodiment 2 is that the movable block 13 is slidably connected between the inner walls of the regulating tube 1, and a plurality of side flow channels 14 are opened on the outer surface of the movable block 13, so that the plurality of side flow channels 14 penetrate to the bottom, which is convenient for guiding the gas. When the guide rod 6 is pressed to push the movable block 13 to the inner top surface of the regulating tube 1, the side flow channel 14 and the air outlet 12 correspond to each other, so that the gas supplied by the intake pipe 7 can flow into the interior of the fixed cover 8, and the movable block 13 is reset by the elastic force of the spring 11 when not in use.

[0031] Working principle: When using the device, first install the fixed cover 8 inside the threaded sleeve 2, and then set the filter membrane body 3 on the outer surface of the fixed cover 8, so that the filter membrane body 3 can be supported. At the same time, when filtering the air, the carbon dioxide is retained inside the filter membrane body 3, and other gases are diffused out, and finally the outlet pipe 4 is opened so that the carbon dioxide gas inside the filter membrane body 3 can be discharged and collected, and the movable block 13 is slidably connected between the inner walls of the regulating tube 1, and a plurality of side flow channels 14 are opened on the outer surface of the movable block 13, so that the plurality of side flow channels 14 penetrate to the bottom, which is convenient for guiding the gas. When the guide rod 6 is pressed to push the movable block 13 to the inner top surface of the regulating tube 1, the side flow channel 14 corresponds to the outlet 12, so that the gas supplied by the intake pipe 7 can flow into the interior of the fixed cover 8, and the movable block 13 is reset by the elastic force of the spring 11 when not in use.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood 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 the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carbon dioxide capture tubular ultrafiltration membrane, comprising a regulating tube (1), characterized in that: A threaded sleeve (2) is fixed on the outer surface of the regulating tube (1), a fixed cover (8) is threadedly connected between the inner walls of the threaded sleeve (2), a plurality of side openings (9) are equidistantly provided on the outer surface of the fixed cover (8) along the circumferential direction, an air outlet pipe (4) is fixed on the top of the fixed cover (8), the air outlet pipe (4) is connected to the interior of the fixed cover (8), a filter membrane body (3) is provided on the outer surface of the fixed cover (8), and one side of the filter membrane body (3) extends to the interior of the threaded sleeve (2).

2. The carbon dioxide capture tubular ultrafiltration membrane according to claim 1, characterized in that: The other side of the filter membrane body (3) extends to the outer surface of the air outlet pipe (4), and the outer surface of the air outlet pipe (4) is threadedly connected with a locking sleeve (5).

3. A carbon dioxide capture tubular ultrafiltration membrane according to claim 2, characterized in that: The other side of the filter membrane body (3) is arranged between the inner wall of the locking sleeve (5) and the outer surface of the air outlet pipe (4), and the top of the regulating pipe (1) is in a closed shape.

4. A carbon dioxide capture tubular ultrafiltration membrane according to claim 3, characterized in that: The outer surface of the regulating tube (1) is provided with a plurality of air outlets (12) at equal intervals in the circumferential direction near the top edge, and a movable block (13) is slidably connected inside the regulating tube (1).

5. A carbon dioxide capture tubular ultrafiltration membrane according to claim 4, characterized in that: The outer surface of the movable block (13) is sealedly connected to the inner wall of the regulating tube (1).

6. A carbon dioxide capture tubular ultrafiltration membrane according to claim 5, characterized in that: The outer surface of the movable block (13) is provided with a plurality of side flow channels (14) at equal intervals along the circumferential direction, and the bottoms of the plurality of side flow channels (14) all penetrate to the bottom of the movable block (13).

7. A carbon dioxide capture tubular ultrafiltration membrane according to claim 6, characterized in that: A guide rod (6) is fixed at the middle part of the bottom of the movable block (13), a fixing ring (10) is fixed between the inner walls of the adjusting tube (1), and the inner wall of the fixing ring (10) is in contact with the outer surface of the guide rod (6).

8. A carbon dioxide capture tubular ultrafiltration membrane according to claim 7, characterized in that: A spring (11) is fixed at the bottom of the movable block (13), and the bottom of the spring (11) is fixed to the top of the fixing ring (10). An air intake pipe (7) is fixed to one side of the guide rod (6), and one end of the air intake pipe (7) extends to the outer surface of the guide rod (6) and is located above the fixing ring (10).

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