Flue gas primary enrichment CO2 enrichment tower

Abstract

The utility model provides a flue gas primary enrichment CO2 enrichment tower which comprises a flue gas inlet electric butterfly valve, and the output end of the flue gas inlet electric butterfly valve is respectively connected with an enrichment tower inlet pressure sensor and a CO2 flue gas enrichment tower through pipelines. And the CO2 flue gas enrichment tower is respectively connected with an enrichment box body pressure sensor, an exhaust gas discharge electric butterfly valve and an enrichment gas pipeline pressure sensor through pipelines. According to the flue gas primary enrichment CO2 enrichment tower, the content of CO2 in flue gas is remarkably reduced, an important contribution is made to reduction of greenhouse gas emission, a large amount of CO2 can be concentrated for follow-up treatment through enrichment of CO2 in flue gas, the CO2 is prevented from being directly emitted into the atmosphere, and therefore the pressure of global climate change is effectively relieved; and the overall emission reduction efficiency is improved. Compared with a traditional flue gas treatment mode, the enrichment tower can treat CO2 in a more targeted mode, the burden of other treatment links is reduced, and the whole emission reduction process is more efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of flue gas treatment especially relates to a flue gas primary enrichment CO2 enrichment tower. BACKGROUND

[0002] Traditional flue gas treatment methods often focus on removing other pollutants, such as sulfur oxides, nitrogen oxides, etc., and the treatment of CO2 is relatively limited, and the traditional method usually needs a complex process and expensive equipment, and the processing cost is high, and it is also difficult to achieve efficient CO2 enrichment.

[0003] Therefore, it is necessary to provide a flue gas primary enrichment CO2 enrichment tower to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a flue gas primary enrichment CO2 enrichment tower, solve the traditional method usually needs a complex process and expensive equipment, and the processing cost is high, and it is also difficult to achieve efficient CO2 enrichment's problem.

[0005] To solve the above technical problems, the utility model provides a flue gas primary enrichment CO2 enrichment tower, which comprises:

[0006] The flue gas inlet electric butterfly valve is connected with the enrichment tower inlet pressure sensor and the CO2 flue gas enrichment tower through the pipeline, and the CO2 flue gas enrichment tower is connected with the enrichment tank pressure sensor, the exhaust gas discharge electric butterfly valve and the enrichment gas pipeline pressure sensor through the pipeline.

[0007] The enrichment gas carbon dioxide content analyzer is connected with the vacuum pump inlet electric butterfly valve, and the vacuum pump inlet electric butterfly valve is connected with the variable frequency speed regulation vacuum pump, and the variable frequency speed regulation vacuum pump is connected with the vacuum pump outlet pressure sensor, and the vacuum pump outlet pressure sensor is connected with the vacuum pump outlet electric butterfly valve.

[0008] Preferably, the flue gas primary enrichment CO2 enrichment tower is provided with several enrichment membranes made of high molecular materials, which can enrich the CO2 content in the imported flue gas from 5% to 20%.

[0009] Preferably, the enrichment tank pressure sensor is connected with the exhaust gas discharge electric butterfly valve 2 to ensure that the working pressure in the CO2 flue gas enrichment tower reaches more than 4kPa.

[0010] Preferably, the enrichment gas carbon dioxide content analyzer is connected with the variable frequency speed regulation vacuum pump, and the rotating speed of the variable frequency speed regulation vacuum pump is controlled according to the detection data of the enrichment gas carbon dioxide content analyzer.

[0011] Preferably, the surface of the enrichment gas pipeline pressure sensor is provided with a protection assembly, the protection assembly comprises a first protection plate, one side of the first protection plate is connected with a plurality of connecting rods, a second protection plate is arranged between the plurality of connecting rods, one end of the connecting rod and located at one side of the second protection plate is connected with a circular block, and the surface of the circular block is sleeved with a fixing sleeve.

[0012] Preferably, a plurality of annular protection plates are arranged between the plurality of connecting rods, and annular rubber pads are bonded to the inner walls of the annular protection plates.

[0013] Preferably, a circular through slot is formed in the surface of the first protection plate.

[0014] Compared with the related art, the flue gas primary enrichment CO2 enrichment tower provided by the utility model has the following beneficial effects:

[0015] The flue gas primary enrichment CO2 enrichment tower provided by the utility model significantly reduces the CO2 content in flue gas, makes an important contribution to reducing greenhouse gas emissions, and can concentrate a large amount of CO2 for subsequent treatment, thereby avoiding direct emission of the CO2 into the atmosphere and effectively relieving the pressure of global climate change.

[0016] The overall emission reduction efficiency is improved. Compared with the traditional flue gas treatment method, the enrichment tower can more specifically treat CO2, reduce the burden of other treatment links, and make the entire emission reduction process more efficient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the first embodiment of the flue gas primary enrichment CO2 enrichment tower provided by the utility model;

[0018] Figure 2 is a structural schematic view of the first embodiment of the flue gas primary enrichment CO2 enrichment tower provided by the utility model;

[0019] Figure 3 is Figure 2 is an enlarged schematic view of part A shown in the figure;

[0020] Figure 4 is Figure 2 is a schematic view of the overall three-dimensional structure of the device.

[0021] Labels in the diagram: 24b, Flue gas inlet electric butterfly valve; 25b, Enrichment tower inlet pressure sensor; 26b, CO2 flue gas enrichment tower; 27b, Enrichment box pressure sensor; 28b, Exhaust gas discharge electric butterfly valve; 29b, Enriched gas pipeline pressure sensor; 30b, Enriched gas carbon dioxide content analyzer; 31b, Vacuum pump inlet electric butterfly valve; 32b, Variable frequency speed control vacuum pump; 33b, Vacuum pump outlet pressure sensor; 34b, Vacuum pump outlet electric butterfly valve.

[0022] 35b, Protective component; 351b, First protective plate; 352b, Connecting rod; 353b, Second protective plate; 354b, Circular block; 355b, Fixing sleeve; 356b, Annular protective plate; 357b, Annular rubber pad; 36b, Circular through groove. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] First Embodiment

[0025] Please refer to the following: Figure 1 ,in, Figure 1 A schematic diagram of the structure of a first embodiment of a flue gas primary CO2 enrichment tower provided by this utility model. A flue gas primary CO2 enrichment tower includes:

[0026] The flue gas inlet electric butterfly valve 24b has its output end connected to the enrichment tower inlet pressure sensor 25b and the CO2 flue gas enrichment tower 26b via pipes. The CO2 flue gas enrichment tower 26b is connected to the enrichment box pressure sensor 27b, the exhaust gas discharge electric butterfly valve 28b, and the enrichment gas pipeline pressure sensor 29b via pipes.

[0027] The enriched gas carbon dioxide content analyzer 30b has a vacuum pump inlet electric butterfly valve 31b connected to its delivery end, a variable frequency speed control vacuum pump 32b connected to its delivery end, a vacuum pump outlet pressure sensor 33b connected to its delivery end, and a vacuum pump outlet electric butterfly valve 34b connected to its delivery end.

[0028] The CO2 enrichment tower 26b for primary flue gas enrichment has several enrichment membranes made of polymer materials built in, which can enrich the CO2 content in the imported flue gas from 5% to 20%.

[0029] The enrichment chamber pressure sensor 27b is interlocked with the exhaust gas discharge electric butterfly valve 28b to ensure that the working pressure inside the CO2 flue gas enrichment tower 26b reaches above 4 kPa.

[0030] The enriched gas carbon dioxide content analyzer 30b is interlocked with the variable frequency speed regulation vacuum pump 32b, and the rotating speed of the variable frequency speed regulation vacuum pump 32b is controlled according to the detection data of the enriched gas carbon dioxide content analyzer 30b.

[0031] The working principle of the CO2 enriched tower for primary enrichment of flue gas according to the utility model is as follows:

[0032] In use, the gas enters the inside of the CO2 flue gas enrichment tower 26b through the flue gas inlet electric butterfly valve 24b, and after the gas is transported to the inside of the CO2 flue gas enrichment tower 26b, the gas flows to the inside of the variable frequency speed regulation vacuum pump 32b through the enriched gas pipeline pressure sensor 29b, the enriched gas carbon dioxide content analyzer 30b and the vacuum pump inlet electric butterfly valve 31b, and then the gas is transported to another device through the variable frequency speed regulation vacuum pump 32b and the vacuum pump outlet electric butterfly valve 34b.

[0033] Compared with the related art, the CO2 enriched tower for primary enrichment of flue gas has the following beneficial effects:

[0034] The CO2 enriched tower for primary enrichment of flue gas according to the utility model significantly reduces the CO2 content in flue gas, makes an important contribution to reducing greenhouse gas emissions, and through the enrichment of CO2 in flue gas, a large amount of CO2 can be concentrated for subsequent treatment, thereby avoiding direct emission of the CO2 into the atmosphere, and effectively relieving the pressure of global climate change.

[0035] The overall emission reduction efficiency is improved. Compared with the traditional flue gas treatment method, the enriched tower can more specifically treat CO2, reduce the burden of other treatment links, and make the entire emission reduction process more efficient.

[0036] Second embodiment

[0037] Please refer to Figure 2 , Figure 3 and Figure 4 , based on the CO2 enriched tower for primary enrichment of flue gas provided in the first embodiment of the application, the second embodiment of the application proposes another CO2 enriched tower for primary enrichment of flue gas. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0038] Specifically, the second embodiment of the present application provides a flue gas primary enrichment CO2 enrichment tower, different from the prior art, wherein the surface of the enrichment gas pipeline pressure sensor 29b is provided with a protection assembly 35b, the protection assembly 35b comprises a first protection plate 351b, one side of the first protection plate 351b is connected with a plurality of connecting rods 352b, a second protection plate 353b is arranged between the plurality of connecting rods 352b, one end of the connecting rod 352b and located at one side of the second protection plate 353b is connected with a circular block 354b, and the surface of the circular block 354b is sleeved with a fixing sleeve 355b.

[0039] A plurality of annular protection plates 356b are arranged between the plurality of connecting rods 352b, and an annular rubber pad 357b is attached to the inner wall of the annular protection plate 356b.

[0040] A plurality of mounting holes matched with the plurality of connecting rods 352b are formed in the second protection plate 353b and the annular protection plate 356b, and the circular block 354b and the fixing sleeve 355b are used to fix the second protection plate 353b and the annular protection plate 356b between the plurality of connecting rods 352b.

[0041] A circular through groove 36b is formed in the surface of the first protection plate 351b.

[0042] The working principle of the flue gas primary enrichment CO2 enrichment tower provided by the present application is as follows:

[0043] When the enrichment gas pipeline pressure sensor 29b exposed to the outside is protected, first, the first protection plate 351b with the plurality of connecting rods 352b is placed on the surface of the enrichment gas pipeline pressure sensor 29b, then the plurality of annular protection plates 356b with the annular rubber pads 357b and the second protection plate 353b are sleeved between the plurality of connecting rods 352b, and finally the fixing sleeve 355b is connected with the circular block 354b at one end of the connecting rod 352b.

[0044] Compared with the related art, the flue gas primary enrichment CO2 enrichment tower provided by the present application has the following beneficial effects:

[0045] The flue gas primary enrichment CO2 enrichment tower provided by the present application has the following beneficial effects:

[0046] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A flue gas primary CO2 enrichment column, characterized in that, The utility model relates to a kind of CO2 flue gas enrichment system, including: Flue gas import electric butterfly valve, the output end of the flue gas import electric butterfly valve is connected with enrichment tower import pressure sensor and CO2 flue gas enrichment tower respectively by pipeline, the CO2 flue gas enrichment tower is connected with enrichment box pressure sensor, spent gas discharge electric butterfly valve and enrichment gas pipeline pressure sensor respectively by pipeline on it; Enriched gas carbon dioxide content analyzer, the conveying end of the enriched gas carbon dioxide content analyzer is connected with vacuum pump import electric butterfly valve, the conveying end of the vacuum pump import electric butterfly valve is connected with variable frequency speed regulation vacuum pump, the conveying end of the variable frequency speed regulation vacuum pump is connected with vacuum pump outlet pressure sensor, the conveying end of the vacuum pump outlet pressure sensor is connected with vacuum pump outlet electric butterfly valve.

2. The flue gas primary CO2 enrichment column according to claim 1, characterized in that, The CO2 flue gas enrichment tower in the flue gas primary enrichment CO2 is built-in several enrichment membranes made of high molecular material, and CO2 with content of 5% in import flue gas can be enriched to 20%.

3. The flue gas primary CO2 enrichment column according to claim 1, characterized in that, The enrichment box pressure sensor is interlocked with the spent gas discharge electric butterfly valve (2), to ensure that the working pressure in the CO2 flue gas enrichment tower reaches more than 4kPa.

4. The flue gas primary CO2 enrichment column according to claim 1, characterized in that, The enriched gas carbon dioxide content analyzer is interlocked with the variable frequency speed regulation vacuum pump, and the rotating speed of the variable frequency speed regulation vacuum pump is controlled according to the detection data of the enriched gas carbon dioxide content analyzer.

5. The flue gas primary CO2 enrichment column according to claim 1, characterized in that, The surface of the enrichment gas pipeline pressure sensor is provided with a protection assembly, the protection assembly includes a first protection plate, a plurality of connecting rods are connected to one side of the first protection plate, a second protection plate is arranged between the plurality of connecting rods, a circular block is connected to one end of the connecting rod and located on one side of the second protection plate, and a fixing sleeve is sleeved on the surface of the circular block.

6. The flue gas primary CO2 enrichment column according to claim 5, characterized in that, A plurality of annular protection plates are arranged between the plurality of connecting rods, and annular rubber pads are bonded to the inner walls of the annular protection plates.

7. The flue gas primary CO2 enrichment column according to claim 5, characterized in that, A circular through slot is formed in the surface of the first protection plate.

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