Multistage cycle carbon dioxide trapping system based on phase change absorbent

Abstract

The utility model discloses a multi-stage cycle carbon dioxide trapping system based on a phase change absorbent, which is characterized in that the inner surface of a shell is fixedly connected with an air pump, the output end of the air pump is communicated with an air pipe, and the other end of the air pipe is communicated with a phase change absorbent multi-stage cycle device; a gas collecting assembly is arranged at an exhaust port of the phase change absorbent multi-stage circulating device, the front surface of the shell communicates with a flow collecting cover, the inner wall of the flow collecting cover is fixedly connected with an air filter screen, the inner surface of the flow collecting cover is fixedly connected with a telescopic assembly, a frame is arranged at the other end of the telescopic assembly, and a scrubbing assembly is arranged on the frame. The scrubbing assembly is movably connected with the air filter screen, four mounting holes are formed in the flow collecting cover, heating plates are fixedly connected to the inner walls of the mounting holes, and by means of the components, pollutants such as smoke dust accumulated on the air filter screen can be automatically cleaned, and the air entering efficiency is prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon dioxide capture systems, and in particular to a multi-stage circulating carbon dioxide capture system based on a phase change absorbent. Background Art

[0002] The existing multi-stage circulating carbon dioxide capture system based on phase change absorbent absorbs waste gas generated in industrial areas through an air pump and processes it inside the equipment to extract carbon dioxide. However, when it is used, its air inlet does not have a self-cleaning effect. When the device is set up in an industrial area, pollutants such as smoke and dust will accumulate at the air inlet of the device, which will affect the efficiency of gas entry. For example, a Chinese patent discloses a "multi-stage circulating carbon dioxide capture system based on phase change absorbent", and its application number is "202321731863.7". The main structure of this device includes a pre-washing tower, a multi-stage circulating absorption tower, an absorbent heat exchange filtration system and an absorption The pre-washing tower is provided with a spray layer; the pre-washing tower is provided with a pre-washing tower demister; the pre-washing tower is connected with the multi-stage circulating absorption tower; the multi-stage circulating absorption tower is provided with an absorption section; the multi-stage circulating absorption tower is connected with the chimney; the spray layer is connected with the absorbent heat exchange and filtration system; the absorbent heat exchange and filtration system is connected with the absorbent regeneration system. The pre-washing tower is used to purify impurities in the flue gas to reduce the possibility of absorbent degradation during the absorption process. However, when it is used, the air inlet of the pre-washing tower does not have a self-cleaning effect. When the device is set up in an industrial area, pollutants such as smoke will accumulate at the air inlet of the device, which will affect the efficiency of gas entry. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a multi-stage circulating carbon dioxide capture system based on phase change absorbent. When the device is set up in an industrial area, the air filter on the device will accumulate pollutants such as smoke and dust, which will affect the efficiency of gas entry. The pollutants on the air filter can be brushed off by a brush roller and blown away with a fan to maintain the normal operation of the system and maintain its high efficiency. In winter, the air filter may face the problem of icing. The fan and the heating plate can blow hot air to the air filter to melt the ice, thereby improving the stability and reliability of the system. The sealing cover is driven by a motor to enable the protective shell to be flexibly opened and closed to prevent dust pollutants in the air from entering the interior of the equipment from the fan and accumulating when the equipment is in use, causing malfunctions and shutdowns caused by clogging of pollutants.

[0004] The utility model also provides a multi-stage circulating carbon dioxide capture system based on a phase-change absorbent, comprising: a shell, an inner surface of the shell is fixedly connected to an air pump, an output end of the air pump is connected to an air pipe, the other end of the air pipe is connected to a phase-change absorbent multi-stage circulating device, an air collecting component is arranged at the exhaust port of the phase-change absorbent multi-stage circulating device, a front surface of the shell is connected to a collecting cover, an inner wall of the collecting cover is fixedly connected to an air filter, an inner surface of the collecting cover is fixedly connected to a telescopic component, and the other end of the telescopic component is arranged A frame, a brushing assembly is provided on the frame, the brushing assembly is movably connected to the air filter, four mounting holes are provided on the collecting cover, the inner walls of the four mounting holes are fixedly connected to heating plates, the inner walls of the four mounting holes are fixedly connected to brackets, fans are provided on the four brackets, four protective shells are fixedly connected to the side surface of the collecting cover, the four fans are respectively located inside the four protective shells, a sealing cover is rotatably connected to the upper surface of the protective shell, a motor is fixedly connected to the side surface of the protective shell, and the sealing cover is driven by the motor.

[0005] According to a multi-stage circulation carbon dioxide capture system based on phase change absorbent described in the utility model, the gas collection component includes: an air compressor and a gas tank. The air compressor is connected to the exhaust port of the phase change absorbent multi-stage circulation device, and the gas tank is movably connected to the output end of the air compressor.

[0006] According to a multi-stage circulating carbon dioxide capture system based on phase change absorbent described in the utility model, the telescopic assembly includes: a hydraulic cylinder and a telescopic rod, the hydraulic cylinder is fixedly connected to the inner surface of the collecting cover, the telescopic rod is fixedly connected to the output end of the hydraulic cylinder, and the frame is fixedly connected to the other end of the telescopic rod.

[0007] According to a multi-stage circulating carbon dioxide capture system based on phase change absorbent described in the utility model, the brushing component includes: a brush roller and a third motor. The brush roller is rotatably connected to the inner surface of the frame, the third motor is fixedly connected to the side surface of the frame, the brush roller is driven by the third motor, and the brush roller is movably connected to the air filter.

[0008] According to a multi-stage circulating carbon dioxide capture system based on phase change absorbent described in the utility model, the fan includes: motor 2 and fan blades, the motor 2 is fixedly connected to the inner surface of the bracket, and the fan blades are fixedly connected to the output end of the motor 2.

[0009] According to the multi-stage circulating carbon dioxide capture system based on phase change absorbent described in the utility model, the lower surface of the shell is fixedly connected with a supporting leg, and the side surface of the supporting leg is fixedly connected with a connecting rod.

[0010] According to the multi-stage circulating carbon dioxide capture system based on phase change absorbent described in the utility model, a mounting plate is fixedly connected to the lower surface of the supporting leg.

[0011] According to the multi-stage circulating carbon dioxide capture system based on phase change absorbent described in the utility model, fixing holes are arranged on the mounting plate.

[0012] Beneficial Effects

[0013] 1. Compared with the existing technology, when the multi-stage circulating carbon dioxide capture system based on phase change absorbent is installed in an industrial area, the air filter on the device will accumulate pollutants such as smoke and dust, which will affect the efficiency of gas entry. The pollutants on the air filter can be brushed off by the brush roller and blown away with the fan to maintain the normal operation of the system and maintain its high efficiency. In winter, the air filter may face the problem of icing. The fan and the heating plate can blow hot air to the air filter to melt the ice, thereby improving the stability and reliability of the system.

[0014] 2. Compared with the existing technology, the multi-stage circulating carbon dioxide capture system based on phase change absorbent can flexibly open and close the protective shell by driving the sealing cover with a motor, thereby preventing dust pollutants in the air from entering the equipment from the fan and accumulating inside the equipment when the equipment is in use, causing malfunctions and shutdowns caused by blockage of pollutants. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a main structural diagram of a multi-stage circulating carbon dioxide capture system based on a phase-change absorbent of the utility model;

[0017] Figure 2 It is a left-side cross-sectional structural diagram of a multi-stage circulating carbon dioxide capture system based on a phase-change absorbent of the utility model;

[0018] Figure 3 It is a front cross-sectional structural diagram of a multi-stage circulating carbon dioxide capture system based on a phase change absorbent of the utility model;

[0019] Figure 4 This is a rear structural diagram of the multi-stage circulating carbon dioxide capture system based on phase change absorbent of the utility model.

[0020] Legend:

[0021] 1. Sealing cover; 2. Collecting cover; 3. Protective shell; 4. Air filter; 5. Phase change absorbent multi-stage circulation device; 6. Air compressor; 7. Gas tank; 8. Outer shell; 9. Support legs; 10. Connecting rod; 11. Fixing hole; 12. Mounting plate; 13. Air pump; 14. Air pipe; 15. Brush roller; 16. Motor 1; 17. Frame; 18. Bracket; 19. Motor 2; 20. Fan blades; 21. Heating plate; 22. Motor 3; 23. Telescopic rod; 24. Hydraulic cylinder. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a multi-stage circulation carbon dioxide capture system based on phase change absorbent, which includes: a shell 8, which is used to carry components, the lower surface of the shell 8 is fixedly connected to a support leg 9, the side surface of the support leg 9 is fixedly connected to a connecting rod 10, the lower surface of the support leg 9 is fixedly connected to a mounting plate 12, and the mounting plate 12 is provided with a fixing hole 11, the inner surface of the shell 8 is fixedly connected to an air pump 13, the output end of the air pump 13 is connected to an air pipe 14, and the other end of the air pipe 14 is connected to a phase change absorbent multi-stage circulation device 5, which repeatedly absorbs and releases carbon dioxide by utilizing a phase change absorbent, thereby realizing continuous capture and regeneration of carbon dioxide, so that the device can operate continuously and efficiently process a large amount of carbon dioxide, and a gas collecting component is provided at the exhaust port of the phase change absorbent multi-stage circulation device 5.

[0024] The gas collecting component includes: an air compressor 6 and an air tank 7. The air compressor 6 is connected to the exhaust port of the phase change absorbent multi-stage circulation device 5. The air tank 7 is movably connected to the output end of the air compressor 6 for collecting carbon dioxide. The front surface of the shell 8 is connected to the collecting cover 2. The inner wall of the collecting cover 2 is fixedly connected to the air filter 4 for filtering smoke and pollutants in the air. The inner surface of the collecting cover 2 is fixedly connected to the telescopic component. The telescopic component includes: a hydraulic cylinder 24 and a telescopic rod 23. The hydraulic cylinder 24 is fixedly connected to the inner surface of the collecting cover 2. The telescopic rod 23 is fixedly connected to the output end of the hydraulic cylinder 24, and the frame 17 is fixedly connected to the other end of the telescopic rod 23, which is used to drive the brush roller 25 to move. The other end of the telescopic assembly is provided with a frame 17, and the frame 17 is provided with a brushing assembly, which includes: a brush roller 15 and a motor three 22. The brush roller 15 is rotatably connected to the inner surface of the frame 17, and the motor three 22 is fixedly connected to the side surface of the frame 17. The brush roller 15 is driven by the motor three 22, and the brush roller 15 is movably connected to the air filter 4, so as to brush off the pollutants on the air filter 4.

[0025] The brushing assembly is movably connected to the air filter 4, and four mounting holes are provided on the collecting cover 2. The inner walls of the four mounting holes are fixedly connected with heating plates 21 for heating air, and the inner walls of the four mounting holes are fixedly connected with brackets 18. Fans are provided on the four brackets 18, and the fans include: motor 2 19 and fan blades 20. Motor 2 19 is fixedly connected to the inner surface of the bracket 18, and the fan blades 20 are fixedly connected to the output end of motor 2 19 for blowing away pollutants brushed off the air filter 4. Four protective shells 3 are fixedly connected to the side surface of the collecting cover 2, and the four fans are respectively located inside the four protective shells 3. The upper surface of the protective shell 3 is rotatably connected with a sealing cover 1 for sealing the air inlet end of the fan. The side surface of the protective shell 3 is fixedly connected with motor 16, and the sealing cover 1 is driven by motor 16.

[0026] Working principle: When in use, the equipment is placed in an industrial area, and the exhaust gas generated inside the industrial area is absorbed by the air pump 13. The pollutants in the exhaust gas will be isolated by the air filter 4. The gas passes through the air filter 4 and enters the air pump 13, and is then transported to the interior of the phase change absorbent multi-stage circulation device 5 for processing to extract the carbon dioxide in the exhaust gas. The extracted carbon dioxide is sent to the interior of the gas tank 7 through the air compressor 6 for storage. After the equipment has been used for a long time, the pollutants on the air filter 4 can be brushed off by the brush roller 25 and blown away by the fan to achieve self-cleaning of the filter.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A multi-stage cycle carbon dioxide capture system based on phase change absorbent, characterized in that: include: A shell (8), the inner surface of the shell (8) is fixedly connected to an air pump (13), the output end of the air pump (13) is connected to an air pipe (14), the other end of the air pipe (14) is connected to a phase-change absorbent multi-stage circulation device (5), an air collecting component is arranged at the exhaust port of the phase-change absorbent multi-stage circulation device (5), the front surface of the shell (8) is connected to a flow collecting cover (2), the inner wall of the flow collecting cover (2) is fixedly connected to an air filter (4), the inner surface of the flow collecting cover (2) is fixedly connected to a telescopic component, and the other end of the telescopic component is provided with a frame (17); The frame (17) is provided with a brushing assembly, and the brushing assembly is movably connected to the air filter (4). The collecting cover (2) is provided with four mounting holes, and the inner walls of the four mounting holes are fixedly connected to a heating plate (21). The inner walls of the four mounting holes are fixedly connected to a bracket (18), and the four brackets (18) are provided with fans. The side surface of the collecting cover (2) is fixedly connected to four protective shells (3), and the four fans are respectively located inside the four protective shells (3). The upper surface of the protective shell (3) is rotatably connected to a sealing cover (1), and the side surface of the protective shell (3) is fixedly connected to a motor 1 (16), and the sealing cover (1) is driven by the motor 1 (16).

2. A multi-stage cycle carbon dioxide capture system based on phase change absorbent according to claim 1, characterized in that: The gas collection component comprises: an air compressor (6) and an air tank (7); the air compressor (6) is connected to the exhaust port of the phase-change absorbent multi-stage circulation device (5); and the air tank (7) is movably connected to the output end of the air compressor (6).

3. A multi-stage cycle carbon dioxide capture system based on phase change absorbent according to claim 1, characterized in that: The telescopic assembly comprises: a hydraulic cylinder (24) and a telescopic rod (23); the hydraulic cylinder (24) is fixedly connected to the inner surface of the collecting cover (2); the telescopic rod (23) is fixedly connected to the output end of the hydraulic cylinder (24); and the frame (17) is fixedly connected to the other end of the telescopic rod (23).

4. A multi-stage cycle carbon dioxide capture system based on phase change absorbent according to claim 1, characterized in that: The brushing assembly comprises: a brush roller (15) and a motor three (22). The brush roller (15) is rotatably connected to the inner surface of a frame (17). The motor three (22) is fixedly connected to the side surface of the frame (17). The brush roller (15) is driven by the motor three (22). The brush roller (15) is movably connected to the air filter (4).

5. The multi-stage cycle carbon dioxide capture system based on phase change absorbent according to claim 1, characterized in that: The fan comprises: a second motor (19) and a fan blade (20); the second motor (19) is fixedly connected to the inner surface of a bracket (18); and the fan blade (20) is fixedly connected to the output end of the second motor (19).

6. A multi-stage cycle carbon dioxide capture system based on phase change absorbent according to claim 1, characterized in that: The lower surface of the housing (8) is fixedly connected to a support leg (9), and the side surface of the support leg (9) is fixedly connected to a connecting rod (10).

7. A multi-stage cycle carbon dioxide capture system based on phase change absorbent according to claim 6, characterized in that: A mounting plate (12) is fixedly connected to the lower surface of the supporting leg (9).

8. A multi-stage cycle carbon dioxide capture system based on phase change absorbent according to claim 7, characterized in that: The mounting plate (12) is provided with a fixing hole (11).

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