Composite carbon dioxide desorption tower

Abstract

The utility model discloses a composite carbon dioxide desorption tower which comprises a desorption tower main body, the desorption tower main body is fixed at the top of a tower kettle, an air purification device is arranged at a flue gas inlet of the desorption tower main body, one side of the air purification device is connected with a gas inlet pipe, and the other side of the air purification device is connected with a gas outlet pipe. The air purification device is composed of a left purification device cover body, a movable sealing cover, a right purification device cover body and an air purification net plate. The air purification device is mounted at the flue gas inlet of the desorption tower main body, air entering the desorption tower main body can be filtered through the air purification device, and when the air purification device needs to be cleaned, the movable sealing cover is moved towards one side of the left purification device cover body; when the air purification device is used, the gap between the movable sealing cover and the right purification device cover body is enlarged, then the air purification screen plate with the filtering function is drawn out from the interior of the air purification device, and finally the air purification screen plate is cleaned or replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon dioxide capture technical field, concretely is a compound type carbon dioxide desorption tower. BACKGROUND

[0002] At present, the most mature technology for capturing low-concentration carbon dioxide in industrialization is the alcohol amine solution chemical absorption method, which uses a plate column as a desorption device and steam as a desorption gas stream to heat the alcohol amine solution rich liquid, achieving the effect of desorbing carbon dioxide. The technical features of the alcohol amine solution chemical absorption method are that the rich amine liquid that has absorbed carbon dioxide enters from the upper part of the carbon dioxide desorption tower, fully contacts the steam and carbon dioxide mixed gas from the reboiler at the bottom of the tower on the tower plate to perform heat and mass transfer, and finally the carbon dioxide escapes from the tower gas outlet, and the lean amine liquid after desorption flows out from the tower liquid outlet.

[0003] Currently, the air entering the carbon dioxide desorption tower is generally filtered first to reduce impurities in the air and thus improve production quality, but the air filtration device needs to be disassembled and cleaned after being used for a period of time, which affects the operation of the carbon dioxide desorption tower. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a compound type carbon dioxide desorption tower to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a compound type carbon dioxide desorption tower, comprising a desorption tower main body, the desorption tower main body is fixed to the top of the tower kettle, an air purification device is installed at the flue gas inlet of the desorption tower main body, one side of the air purification device is connected with an air inlet pipe, the air purification device is composed of a left purification device cover body, a movable sealing cover, a right purification device cover body and an air purification net plate, the left purification device cover body is fixedly connected with the right purification device cover body through bolts, the movable sealing cover is installed on the inner side of the left purification device cover body and close to one side of the right purification device cover body, and the movable sealing cover can slide left and right, a filling gap for installing the air purification net plate is left between the movable sealing cover and the right purification device cover body, and the air purification net plate is inserted into the filling gap.

[0006] Preferably, the left purification device cover body is composed of a left connecting plate and a left cover body, one side of the inner part of the left cover body is provided with a positioning sleeve; the movable sealing cover is composed of a sliding ring, a positioning rod and an air purification net plate ring, the sliding ring is gap-fitted with the inner wall of the left cover body, and the positioning rod is gap-fitted with the positioning sleeve; the right purification device cover body is composed of a right connecting plate and a right cover body, and the right cover body is provided with an air purification net plate preloading ring on the side away from the right connecting plate.

[0007] Preferably, a plurality of movable sealing cover buckles are fixed on the outer surface of the right purification device cover body at equal intervals.

[0008] Preferably, the air purification net plate is composed of a handle, a metal filter net fixing ring and a metal filter net, and a dust collecting box is fixed on each side of the lower part of the metal filter net fixing ring.

[0009] Preferably, a water pump is arranged on one side of the tower kettle, and the water outlet port of the water pump is communicated with the spraying device in the interior of the desorption tower body through a conveying pipe.

[0010] Compared with the prior art, the beneficial effects of the utility model are that: the air purification device is installed at the flue gas inlet of the desorption tower body, the entering air can be filtered through the air purification device, when the air purification device needs to be cleaned, the movable sealing cover is moved to the left purification device cover body side, the gap between the movable sealing cover and the right purification device cover body is enlarged, then the air purification net plate with the filtering function is drawn out from the interior of the air purification device, finally the air purification net plate is cleaned or replaced, the air purification device is simpler and more convenient to clean, the time length of the whole cleaning process can be reduced, and the influence on the operation of the desorption tower body is reduced.

[0011] A plurality of movable sealing cover buckles are fixed on the outer surface of the right purification device cover body at equal intervals, the movable sealing cover can be fixed through the movable sealing cover buckles, so that the phenomenon of air leakage due to loosening of the movable sealing cover is avoided.

[0012] The air purification net plate is composed of a handle, a metal filter net fixing ring and a metal filter net, and a dust collecting box is fixed on each side of the lower part of the metal filter net fixing ring, the falling dust can be collected through the dust collecting box, and subsequent cleaning is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute limitations to the utility model. In the drawings:

[0014] Figure 1 It is the overall structure schematic view of the utility model;

[0015] Figure 2 It is the structure schematic view of the air purification device of the utility model;

[0016] Figure 3 It is the explosion structure schematic view of the air purification device of the utility model;

[0017] Figure 4is the structure schematic view of the left purification device cover body of the utility model;

[0018] Figure 5 is the structure schematic view of the movable sealing cover of the utility model;

[0019] Figure 6 is the structure schematic view of the right purification device cover body of the utility model.

[0020] In the drawing: 1, desorption tower main body;2, flue gas inlet;3, air inlet pipe;4, air purification device;5, tower kettle;6, water pump;7, conveying pipe;8, left purification device cover body;9, movable sealing cover;10, right purification device cover body;11, air purification net plate;12, handle;13, metal filter screen fixed ring;14, dust collection box;15, metal filter screen;16, left connecting plate;17, left cover body;18, positioning sleeve;19, slip ring;20, positioning rod;21, air purification net plate clasp;22, right connecting plate;23, right cover body;24, movable sealing cover buckle;25, air purification net plate preloading clasp. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the following will combine the drawings in the utility model embodiment, and the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the utility model embodiment, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model.

[0022] Please refer to Figures 1-6The utility model discloses a kind of composite carbon dioxide desorption towers, including desorption tower main body 1, desorption tower main body 1 is fixed in the top of tower kettle 5, air purification device 4 is installed at the flue gas inlet 2 of desorption tower main body 1, one side of air purification device 4 is connected with inlet pipe 3, air purification device 4 is composed of left purification device cover body 8, movable seal cover 9, right purification device cover body 10 and air purification screen plate 11, left purification device cover body 8 is fixedly connected by bolt with right purification device cover body 10, movable seal cover 9 is installed on the inboard of left purification device cover body 8 and close to the side of right purification device cover body 10, and movable seal cover 9 can slide left and right, and the packing gap for installing air purification screen plate 11 is left between movable seal cover 9 and right purification device cover body 10, air purification screen plate 11 is inserted in packing gap;A plurality of movable seal cover buckles 24 are fixed on the outer surface of right purification device cover body 10 at equal intervals.

[0023] Left purification device cover body 8 is composed of left connecting plate 16 and left cover body 17, and one side of the inside of left cover body 17 is provided with a positioning sleeve 18.

[0024] Air purification screen plate 11 is composed of handle 12, metal filter screen fixing ring 13 and metal filter screen 15, and each of the lower parts of metal filter screen fixing ring 13 is fixed with a dust collection box 14.

[0025] One side of tower kettle 5 is provided with a water pump 6, and the water outlet port of the water pump 6 is communicated with the spraying device in the inside of desorption tower main body 1 through a conveying pipe 7.

[0026] The working principle of the utility model is that: the flue gas inlet 2 of the desorption tower main body 1 of the utility model is provided with an air purification device 4, the entering air can be filtered through the air purification device 4, when the air purification device 4 needs to be cleaned, the movable seal cover 9 is moved to the side of left purification device cover body 8, the gap between the movable seal cover 9 and the right purification device cover body 10 is enlarged, the air purification screen plate 11 for filtering function is pulled out from the inside of the air purification device 4, and finally the air purification screen plate 11 can be cleaned or replaced, the air purification device 4 of the utility model is more simple and convenient when cleaning, the time length of the whole cleaning process can be reduced, and the influence on the operation of the desorption tower main body 1 is reduced.

[0027] A plurality of movable sealing cover buckles 24 are fixed on the outer surface of the right purification device cover body 10 at equal intervals, and the movable sealing cover 9 can be fixed through the movable sealing cover buckles 24, so as to avoid the phenomenon of air leakage caused by loosening of the movable sealing cover 9;

[0028] The air purification net plate 11 is composed of a handle 12, a metal filter net fixing ring 13 and a metal filter net 15, and a dust collecting box 14 is fixed on each side of the lower part of the metal filter net fixing ring 13, so that the falling dust can be collected through the dust collecting box 14, and subsequent cleaning is facilitated.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A composite carbon dioxide desorption tower comprising a desorption tower main body (1), characterized in that: The desorption tower body (1) is fixed on the top of the tower kettle (5), an air purification device (4) is installed at the flue gas inlet (2) of the desorption tower body (1), one side of the air purification device (4) is connected with an air inlet pipe (3), the air purification device (4) is composed of a left purification device cover body (8), a movable sealing cover (9), a right purification device cover body (10) and an air purification net plate (11), the left purification device cover body (8) is fixedly connected with the right purification device cover body (10) through bolts, the movable sealing cover (9) is installed on the inner side of the left purification device cover body (8) and close to one side of the right purification device cover body (10), and the movable sealing cover (9) can slide left and right, a filling gap for installing the air purification net plate (11) is left between the movable sealing cover (9) and the right purification device cover body (10), and the air purification net plate (11) is inserted into the filling gap.

2. The composite carbon dioxide desorption tower according to claim 1, characterized in that: The left purification device cover body (8) is composed of a left connecting plate (16) and a left cover body (17), and a positioning sleeve (18) is arranged on one side of the inner portion of the left cover body (17); The movable sealing cover (9) is composed of a sliding ring (19), a positioning rod (20) and an air purification net plate clamping ring (21), the sliding ring (19) is in gap cooperation with the inner wall of the left cover body (17), and the positioning rod (20) is in gap cooperation with the positioning sleeve (18); The right purification device cover body (10) is composed of a right connecting plate (22) and a right cover body (23), and an air purification net plate pre-clamping ring (25) is arranged on one side of the right cover body (23) away from the right connecting plate (22).

3. The composite carbon dioxide desorption tower according to claim 1, characterized in that: A plurality of movable sealing cover buckles (24) are fixed on the outer surface of the right purification device cover body (10) at equal intervals.

4. The composite carbon dioxide desorption tower according to claim 1, characterized in that: The air purification net plate (11) is composed of a handle (12), a metal filter screen fixing ring (13) and a metal filter screen (15), one dust collecting box (14) is fixed on each side of the lower portion of the metal filter screen fixing ring (13), and a clamping groove matched with the handle (12) is formed in the movable sealing cover (9).

5. The composite carbon dioxide desorption tower according to claim 1, characterized in that: A water pump (6) is arranged on one side of the tower kettle (5), and the water outlet of the water pump (6) is communicated with a spraying device in the desorption tower body (1) through a conveying pipe (7).

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