A carbon collection device in a waste gas of a thermal power plant

Abstract

The present application relates to the technical field of environmental protection, disclose a kind of carbon collection device in waste gas of thermal power plant, including main component, including reaction pool, the reaction pool side is fixedly connected with air pipe, the reaction pool side is equipped with collection pool, the first sliding slot is opened on the opposite two side walls of the reaction pool, collection component, including the scraper in the reaction pool interior, the both sides of the scraper are fixedly connected with sliding block, the sliding block in the first sliding slot on the both side walls of the reaction pool slide, the scraper one end is fixedly connected with dumping piece, by the waste gas containing a large amount of carbon dioxide gas is passed into to reaction pool, carbon dioxide and liquid metal react, produce carbon and float on the surface of liquid metal, affect the activity of liquid metal, scraper collects carbon to collection pool, while collecting, the liquid metal collected together is poured into reaction pool again, while carbon is poured into collection pool, after the collection of carbon dioxide treatment is realized.

Description

Technical Field

[0001] This invention relates to the field of environmental protection technology, and in particular to a carbon collection device for exhaust gas from thermal power plants. Background Technology

[0002] A coal-fired power plant is an energy facility that generates electricity by burning fossil fuels such as coal. However, this combustion process produces large amounts of harmful substances, including carbon dioxide and nitrogen oxides. These harmful substances are released into the atmosphere, leading to environmental pollution and climate change. To address the challenges of environmental protection and climate change, researchers have begun to study how to capture and utilize carbon dioxide emissions from coal-fired power plants. Carbon dioxide is one of the main harmful substances emitted by coal-fired power plants, typically accounting for about 70% to 90% of total emissions. When fossil fuels such as coal are burned, the carbon combines with oxygen to form carbon dioxide, while also producing other harmful substances such as nitrogen oxides and sulfides. These harmful substances not only impact the environment but also negatively affect human health.

[0003] Therefore, researchers and engineers are dedicated to developing technologies and equipment to store and utilize carbon dioxide emitted from coal-fired power plants. This would reduce carbon dioxide emissions, improve environmental quality, and provide a cleaner energy solution for sustainable development. Summary of the Invention

[0004] In view of the problems existing in the carbon collection devices for exhaust gas from thermal power plants, the present invention is proposed.

[0005] Therefore, the purpose of this invention is to provide a carbon collection device for exhaust gas from thermal power plants, which aims to solve the problem of storing and utilizing carbon dioxide emitted by thermal power plants and to prevent the large amount of greenhouse gases emitted by thermal power plants from being released into the air and causing greenhouse gas problems.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a carbon collection device for exhaust gas from thermal power plants, comprising a main body, including a reaction tank, a vent pipe fixedly connected to one side of the reaction tank, a collection tank installed on one side of the reaction tank, first grooves formed on opposite side walls of the reaction tank, a collection component located on one side of the main body, including a scraper located inside the reaction tank, sliders fixedly connected to both sides of the scraper, the sliders sliding within the first grooves on the side walls of the reaction tank, the side walls of the scraper connecting the sliders contacting the side walls of the reaction tank where the first grooves are formed, and a tilting component fixedly connected to one end of the scraper.

[0007] As a preferred embodiment of the carbon collection device in the exhaust gas of thermal power plants according to the present invention, wherein: one end of the first chute is a partially circular groove.

[0008] As a preferred embodiment of the carbon collection device in the exhaust gas of thermal power plants according to the present invention, a connecting plate is fixedly connected to the two opposite side walls of the collection pool, and a second sliding groove is provided on the connecting plate. The second sliding groove is a partially circular groove, and the side wall where the second sliding groove is located is on the same horizontal line as the side wall where the first sliding groove is located. The second sliding groove and the first sliding groove form a partially circular groove.

[0009] In a preferred embodiment of the carbon collection device for thermal power plant exhaust gas described in this invention, the scraper is hook-shaped, a telescopic rod is fixedly connected to one side of the scraper, and a first rotating shaft is fixedly connected to the other side of the scraper via a fixing rod, wherein the telescopic rod side of the scraper is higher than the first rotating shaft side.

[0010] As a preferred embodiment of the carbon collection device in the exhaust gas of thermal power plants according to the present invention, wherein: an opening is provided on one side of the telescopic rod on the scraper, an opening and closing plate is installed at the opening on the scraper, the opening on the scraper is smaller than the size of the opening and closing plate, and a lightweight torsion spring is installed at the pivot of the opening and closing plate.

[0011] As a preferred embodiment of the carbon collection device in the exhaust gas of thermal power plants according to the present invention, wherein: one end of the telescopic rod is fixedly connected to a second rotating shaft, and both ends of the second rotating shaft are rotatably connected to guide blocks, one of the guide blocks is sleeved on the threaded rod, and the other guide block is sleeved on the smooth rod, and one end of the threaded rod is fixedly connected to a motor.

[0012] As a preferred embodiment of the carbon collection device in the exhaust gas of thermal power plants according to the present invention, wherein: a first gear is fixedly connected to both ends of the first rotating shaft, a second rotating shaft is sleeved on the first rotating shaft, the second rotating shaft is sleeved on the first rotating shaft, the first rotating shaft is divided into three sections, a telescopic plate is fixedly connected to the non-middle section of the first rotating shaft, the telescopic plate connects the middle section of the first rotating shaft and the two non-middle sections of the first rotating shaft, and a float is fixedly connected to the bottom of the telescopic plate.

[0013] As a preferred embodiment of the carbon collection device in the exhaust gas of thermal power plants according to the present invention, wherein: a first gear is fixedly connected to one end of the first rotating shaft.

[0014] As a preferred embodiment of the carbon collection device in the exhaust gas of thermal power plants according to the present invention, the second rotating shaft is divided into three sections, the three sections of the second rotating shaft correspond to the three sections of the first rotating shaft, a rotating plate is fixedly connected to the middle section of the second rotating shaft, and a second gear is fixedly connected to one end of the second rotating shaft, the first gear and the second gear are arranged in a staggered manner.

[0015] As a preferred embodiment of the carbon collection device in the exhaust gas of thermal power plants according to the present invention, wherein: a rack is slidably connected to the upper end of the sidewall in contact with the reaction tank and the collection tank, the rack is composed of a first tooth segment, a second tooth segment and a third tooth segment, the bottom of the first tooth segment is fixedly connected to the third tooth segment through a connecting plate, a rotating telescopic rod is hinged to one end of the first tooth segment, the second tooth segment is hinged to one end of the rotating telescopic rod, and the middle part of the rotating telescopic rod is rotatably connected to the connecting plate at the bottom of the first tooth segment through a fixed column.

[0016] The beneficial effects of this invention are as follows: By introducing waste gas containing a large amount of carbon dioxide into a reaction tank, it reacts with liquid metal. During this process, carbon dioxide reacts chemically with the liquid metal to generate solid carbon, which floats on the surface of the liquid metal. The presence of this solid carbon affects the activity of the liquid metal. To collect this solid carbon, a scraper is used to collect it into a collection tank. Simultaneously, the collected liquid metal is poured back into the reaction tank for recycling. At the same time, the solid carbon in the collection tank is poured into the collection tank to collect the products after carbon dioxide treatment. This method effectively treats carbon dioxide waste gas and achieves the collection and recycling of the products after carbon dioxide treatment. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0018] Figure 1 This is a schematic diagram of the overall structure of a carbon collection device for waste gas from a thermal power plant.

[0019] Figure 2 This is a schematic diagram of the collection component structure of a carbon collection device for waste gas from a thermal power plant.

[0020] Figure 3 This is a schematic diagram of the tilting component of a carbon collection device for waste gas from a thermal power plant.

[0021] Figure 4 This is an enlarged schematic diagram of section A of the carbon collection device in the exhaust gas of a thermal power plant.

[0022] Figure 5 This is a schematic diagram of the second overall structure of a carbon collection device for waste gas from a thermal power plant.

[0023] Figure 6 This is an enlarged schematic diagram of section B of the carbon collection device in the exhaust gas of a thermal power plant. Detailed Implementation

[0024] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0028] Example 1

[0029] Reference Figures 1-4 The first embodiment of the present invention provides a carbon collection device in the exhaust gas of a thermal power plant. The device includes a main component 100, including a reaction tank 101. A vent pipe 101a is fixedly connected to one side of the reaction tank 101. A collection tank 102 is installed on one side of the reaction tank 101. A first chute 101b is provided on the opposite side walls of the reaction tank 101. One end of the first chute 101b is a partially circular groove.

[0030] The vent pipe 101a introduces carbon dioxide gas generated by the power plant into the reaction tank 101, where it reacts with the liquid metal in the reaction tank 101, producing carbon that floats on the surface of the liquid metal. The reaction tank 101 has two sets of opposing sidewalls. A slider 201b slides in a first groove 101b on one set of sidewalls of the reaction tank 101. The first groove 101b acts as a limit, so that the slider 201b can only slide within the track of the first groove 101b. Therefore, the scraper 201, which is fixedly connected to the slider 201b, can only move along the track of the first groove 101b.

[0031] Meanwhile, when the scraper 201 is flipped, the scraper 201 needs to cross the side wall of the reaction tank 101 where the first chute 101b is not opened, while the sliders 201b on both sides of the scraper 201 continue to slide within the first chute 101b.

[0032] Furthermore, a second groove 102a is provided on the connecting plate on the opposite side walls of the collection pool 102. The second groove 102a is a partially circular groove. The side wall where the second groove 102a is located is on the same horizontal line as the side wall where the first groove 101b is located. The second groove 102a and the first groove 101b form a half-circle.

[0033] Furthermore, the collection pool 102 and the reaction pool 101 are arranged side by side and in contact with each other. The two side walls where the second slide 102a is located are arranged side by side with the two side walls where the first slide 101b is located. The end of the first slide 101b is connected to the second slide 102a. The first slide 101b and the second slide 102a can be regarded as the same plane. The end of the first slide 101b is a partially circular groove, and the second slide 102a is a partially circular groove. The first slide 101b and the second slide 102a together form a smooth partially circular groove slide rail. The slider 201b also slides in the second slide 102a.

[0034] Preferably, the scraper 201 is hook-shaped, with a telescopic rod 201a fixedly connected to one side of the scraper 201, and a first rotating shaft 202a fixedly connected to the other side of the scraper 201 via a fixing rod. The telescopic rod 201a side of the scraper 201 is higher than the first rotating shaft 202a side.

[0035] In this design, one side of the telescopic rod 201a of the scraper 201 is the rear end of the scraper 201 when collecting, and one side of the first rotating shaft 202a of the scraper 201 is the front end of the scraper 201 when collecting. Therefore, one side of the first rotating shaft 202a of the scraper 201 is lower than the liquid surface of the liquid metal, which facilitates the collection of floating carbon. One side of the telescopic rod 201a is higher than the liquid surface of the liquid metal by a certain distance, so that the carbon collected by the scraper 201 can be discharged from the side of the telescopic rod 201a.

[0036] Similarly, the telescopic rod 201a and the two side walls of the first rotating shaft 202a are in close contact with the reaction tank 101, making carbon collection more efficient, and the slider 201b is set on the side wall of the scraper 201 in close contact with the reaction tank 101.

[0037] It should be noted that an opening is provided on one side of the telescopic rod 201a on the scraper 201, and an opening and closing plate 201g is installed at the opening on the scraper 201. The opening on the scraper 201 is smaller than the size of the opening and closing plate 201g, and a light torsion spring is installed at the pivot of the opening and closing plate 201g.

[0038] When in use, the opening on one side of the telescopic rod 201a of the scraper 201 is used to allow the carbon generated on the surface of the liquid metal on one side of the scraper 201 to flow into the interior of the scraper 201 along with the liquid metal during the reset process after the scraper 201 has completed one collection. In other words, the carbon generated during one collection by the scraper 201 is collected, making the collection more efficient.

[0039] It should be noted that one end of the telescopic rod 201a is fixedly connected to a second rotating shaft 201c, and both ends of the second rotating shaft 201c are rotatably connected to guide blocks 201d. One guide block 201d is sleeved on the threaded rod 201e, and the other guide block 201d is sleeved on the smooth rod 201k. One end of the threaded rod 201e is fixedly connected to a motor 201f.

[0040] In use, the telescopic rod 201a is fixedly connected to the second rotating shaft 201c. When the scraper 201 rotates, neither the telescopic rod 201a nor the second rotating shaft 201c moves relative to the scraper 201. The guide block 201d, which is sleeved on the threaded rod 201e, has a thread inside that mates with the threaded rod 201e. The two guide blocks 201d mate with the second rotating shaft 201c, so that the scraper 201 remains stable during movement and does not deviate.

[0041] Example 2

[0042] Reference Figures 1-6 This is the second embodiment of the present invention.

[0043] Furthermore, a first gear 202b is fixedly connected to both ends of the first rotating shaft 202a, a second rotating shaft 202e is sleeved on the first rotating shaft 202a, a first rotating shaft 202c is sleeved on the second rotating shaft 202e, the first rotating shaft 202c is divided into three sections, and a telescopic plate 202j is fixedly connected to the non-middle section of the first rotating shaft 202c.

[0044] The first rotating shaft 202a is fitted with a second rotating shaft 202e, and the second rotating shaft 202e is fitted with a first rotating shaft 202c. The first rotating shaft 202c is divided into three sections: the front and rear sections are hollow cylinders, and the middle section is a blank section, that is, the middle section separates the two ends. The two ends of the first rotating shaft 202c are fixedly connected to telescopic plates 202j, and the two ends of the first rotating shaft 202c are connected by the telescopic plates 202j.

[0045] Furthermore, the telescopic plate 202j connects the middle section of the first rotating shaft 202c and the two non-middle sections of the first rotating shaft 202c, and a float 202k is fixedly connected to the bottom of the telescopic plate 202j.

[0046] Among them, the float 202k can drive the telescopic plate 202j to extend and retract. When the scraper 201 rotates, the liquid metal in the scraper 201 will flow along the wall of the scraper 201 and flow out of the scraper 201 into the reaction tank 101. The float 202k can prevent the carbon collected in the scraper 201 from flowing into the reaction tank 101 along with the liquid metal.

[0047] Furthermore, a first gear 202g is fixedly connected to one end of the first rotating shaft 202c, and the second rotating shaft 202e is divided into three sections, which correspond to the three sections of the first rotating shaft 202c. A rotating plate 202f is fixedly connected to the middle section of the second rotating shaft 202e.

[0048] The second rotating shaft 202e is also divided into three sections. The length positions of the first rotating shaft 202c and the second rotating shaft 202e correspond one-to-one. The middle section of the second rotating shaft 202e is fixed with a rotating plate 202f, and the two ends of the rotating plate 202f are separated from the front and rear sections of the second rotating shaft 202e.

[0049] Secondly, a second gear 202h is fixedly connected to one end of the second rotating shaft 202e, and the first gear 202g and the second gear 202h are arranged in a staggered manner.

[0050] The second gear 202h on one side of the second rotating shaft 202e is located on the side of the first gear 202g, with the reaction tank 101 as a reference, and is located on the opposite side of the first gear 202g.

[0051] It should be noted that a rack 202i is slidably connected to the upper end of the sidewall in contact with the reaction tank 101 and the collection tank 102. The rack 202i is composed of a first tooth segment 202i-1, a second tooth segment 202i-2 and a third tooth segment 202i-3. The bottom of the first tooth segment 202i-1 is fixedly connected to the third tooth segment 202i-3 through a connecting plate.

[0052] In use, the first tooth segment 202i-1 is located at the outermost part of the rack 202i relative to the reaction tank 101. The first tooth segment 202i-1 meshes with the first gear 202b, the second tooth segment 202i-2 meshes with the first part gear 202g, and the third tooth segment 202i-3 meshes with the second part gear 202h.

[0053] The first toothed segment 202i-1 is hinged to one end with a rotating telescopic rod 202i-4, and the rotating telescopic rod 202i-4 is hinged to one end with a second toothed segment 202i-2. The middle part of the rotating telescopic rod 202i-4 is rotatably connected to the connecting plate at the bottom of the first toothed segment 202i-1 through a fixed column.

[0054] In use, the first tooth segment 202i-1 and the second tooth segment 202i-2 are connected to each other by a rotating telescopic rod 202i-4. The middle part of the rotating telescopic rod 202i-4 is connected to the connecting plate at the bottom of the first tooth segment 202i-1 by a fixed column. When the first tooth segment 202i-1 moves, it extends and retracts by rotating the telescopic rod 202i-4, while pushing the second tooth segment 202i-2 to move in the opposite direction.

[0055] Example 3

[0056] Reference Figures 1-6 This is the third embodiment of the present invention.

[0057] Furthermore, the main component 100 includes a reaction tank 101, a vent pipe 101a is fixedly connected to one side of the reaction tank 101, a collection tank 102 is installed on one side of the reaction tank 101, and first grooves 101b are provided on the opposite side walls of the reaction tank 101.

[0058] Furthermore, the collecting component 200, located on one side of the main component 100, includes a scraper 201 located inside the reaction tank 101. Slider 201b is fixedly connected to both sides of the scraper 201. The slider 201b slides in the first groove 101b on both sides of the reaction tank 101. The two sides of the scraper 201 connected to the slider 201b are in contact with the two sides of the reaction tank 101 where the first groove 101b is opened. A tilting component 202 is fixedly connected to one end of the scraper 201.

[0059] In summary, motor 201f drives threaded rod 201e to rotate, which in turn moves guide block 201d on threaded rod 201e. Guide block 201d drives second rotating shaft 201c to move, and simultaneously drives scraper 201 to move. Sliding blocks 201b on both sides of scraper 201 slide within first grooves 101b on both sides of reaction tank 101, scraper 201 moves to one side while restricting vertical movement. Carbon and liquid metal in reaction tank 101 flow into scraper 201. When the first rotating shaft 201c on one side of scraper 201... 02a, When the slider 201b moves to the position of the rack 202i, it slides within the circular groove of the first slide groove 101b, causing the scraper 201 to rotate around the first rotating shaft 202a. The first gear 202b at the front end of the first rotating shaft 202a meshes with the first tooth segment 202i-1, causing the rack 202i to move in the opposite direction to the scraper 201. Simultaneously, the first tooth segment 202i-1 causes the second tooth segment 202i-2 to move in the opposite direction to the rack 202i. -2 meshes with the second gear 202h, causing the second gear 202h to rotate, and simultaneously causing the telescopic plate 202j to rotate approximately 90 degrees. At this time, the scraper 201 has already poured out the material inside the scraper 201 during the rotation. The float 202k floats as the liquid metal in the scraper 201 is poured out, preventing carbon from being poured back into the reaction tank 101. Then the scraper 201 continues to rotate until the slider 201b on the side wall of the scraper 201 slides in the second slide groove 102a, and the third tooth section 202... i-3 remains fixedly connected to the first tooth segment 202i-1 until the third tooth segment 202i-3 engages with the second gear 202h. The second gear 202h then begins to rotate, causing the rotating plate 202f to rotate in the opposite direction to the rotation direction of the telescopic plate 202j. After rotating approximately 90 degrees, the carbon inside the scraper 201 falls into the collection pool 102. The rotating plate 202f prevents the scraper 201 from starting to tip over when the rotation angle is greater than 90 degrees, thus avoiding problems such as incomplete tipping, where carbon is poured outside the collection pool 102.

[0060] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0061] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the currently considered best mode for carrying out the invention, or those features that are not relevant to implementing the invention) may be omitted.

[0062] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A carbon collection device for waste gas from thermal power plants, characterized in that: include, The main component (100) includes a reaction tank (101), a vent pipe (101a) is fixedly connected to one side of the reaction tank (101), a collection tank (102) is installed on one side of the reaction tank (101), and first grooves (101b) are provided on the opposite side walls of the reaction tank (101). A collecting component (200) is located on one side of the main component (100) and includes a scraper (201) located inside the reaction tank (101). Slider blocks (201b) are fixedly connected to both sides of the scraper (201). The sliders (201b) slide in the first grooves (101b) on both sides of the reaction tank (101). The scraper (201) is connected to the two sides of the slider (201b) and contacts the two sides of the reaction tank (101) where the first grooves (101b) are opened. A tilting component (202) is fixedly connected to one end of the scraper (201). The scraper (201) is hook-shaped. A telescopic rod (201a) is fixedly connected to one side of the scraper (201), and a first rotating shaft (202a) is fixedly connected to the other side of the scraper (201) through a fixing rod. The telescopic rod (201a) of the scraper (201) is higher than the first rotating shaft (202a). One end of the telescopic rod (201a) is fixedly connected to a second rotating shaft (201c), and both ends of the second rotating shaft (201c) are rotatably connected to guide blocks (201d). One of the guide blocks (201d) is sleeved on the threaded rod (201e), and the other guide block (201d) is sleeved on the smooth rod (201k). One end of the threaded rod (201e) is fixedly connected to a motor (201f). The first rotating shaft (202a) is fixedly connected to two ends of a first gear (202b). A second rotating shaft (202e) is sleeved on the first rotating shaft (202a). A first rotating shaft (202c) is sleeved on the second rotating shaft (202e). The first rotating shaft (202c) is divided into three sections. A telescopic plate (202j) is fixedly connected to the non-middle section of the first rotating shaft (202c). The telescopic plate (202j) connects the middle section of the first rotating shaft (202c) and the two non-middle sections of the first rotating shaft (202c). A float (202k) is fixedly connected to the bottom of the telescopic plate (202j). One end of the first rotating shaft (202c) is fixedly connected to a first gear (202g); The second rotating shaft (202e) is divided into three sections, which correspond to the three sections of the first rotating shaft (202c). A rotating plate (202f) is fixedly connected to the middle section of the second rotating shaft (202e), and a second gear (202h) is fixedly connected to one end of the second rotating shaft (202e). The first gear (202g) and the second gear (202h) are arranged in a staggered manner. A rack (202i) is slidably connected to the upper end of the sidewall of the reaction tank (101) that contacts the collection tank (102). The rack (202i) is composed of a first tooth segment (202i-1), a second tooth segment (202i-2), and a third tooth segment (202i-3). The bottom of the first tooth segment (202i-1) is fixedly connected to the third tooth segment (202i-3) through a connecting plate. A rotating telescopic rod (202i-4) is hinged to one end of the first tooth segment (202i-1). The second tooth segment (202i-2) is hinged to one end of the rotating telescopic rod (202i-4). The middle part of the rotating telescopic rod (202i-4) is rotatably connected to the connecting plate at the bottom of the first tooth segment (202i-1) through a fixed column.

2. The carbon collection device for waste gas from thermal power plants according to claim 1, characterized in that: The collection pool (102) is fixedly connected to the two side walls with connecting plates. The connecting plates are provided with a second sliding groove (102a). The second sliding groove (102a) is a partially circular groove. The side wall where the second sliding groove (102a) is located is a horizontal line with the side wall where the first sliding groove (101b) is located. The second sliding groove (102a) and the first sliding groove (101b) form a half-circle.

3. The carbon collection device for waste gas from thermal power plants according to claim 2, characterized in that: An opening is provided on one side of the telescopic rod (201a) on the scraper (201), and an opening plate (201g) is installed at the opening on the scraper (201). The opening on the scraper (201) is smaller than the size of the opening plate (201g), and a lightweight torsion spring is installed at the pivot of the opening plate (201g).

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