Novel cylindrical carbon dioxide enrichment tower

Abstract

The utility model provides a novel cylindrical carbon dioxide enrichment tower which comprises a first-layer enrichment tower, a second-layer enrichment tower, a second-stage enrichment tower and a second gas inlet box body, the first-layer enrichment tower further comprises a bottom bracket, a first gas inlet box body, a first enrichment box body, an enrichment membrane, a first CO2-rich outlet pipe, a CO2-rich outlet pipe connecting pipe seat, an exhaust gas outlet connecting pipe seat, an exhaust gas outlet electric adjusting butterfly valve, a gas inlet box body in-situ pressure gauge, a gas inlet box body pressure sensor, an enrichment box body in-situ pressure gauge and an enrichment box body pressure sensor. The novel cylindrical carbon dioxide enrichment tower provided by the utility model has the advantages that the cylindrical structure is reasonable in design, has a larger internal space and can accommodate more treatment media, so that the treatment capacity of carbon dioxide is improved, and compared with traditional equipment, more carbon dioxide gas can be treated within the same time, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of carbon dioxide treatment, in particular to a novel cylindrical carbon dioxide enrichment tower. Background Art

[0002] The treatment and recycling of carbon dioxide are receiving more and more attention. Traditional carbon dioxide enrichment equipment has some limitations in structure and performance and cannot meet the increasingly high treatment requirements.

[0003] On the one hand, with the continuous increase in carbon dioxide emissions, more efficient enrichment equipment is needed to improve processing capacity. Traditional enrichment towers often have problems of low efficiency and large footprint when processing large flows of carbon dioxide gas.

[0004] On the other hand, the requirements for the separation purity of carbon dioxide are also constantly increasing. Traditional equipment may be affected by various factors during the separation process, resulting in unsatisfactory separation effects and inability to meet the needs of some high-purity applications.

[0005] Therefore, it is necessary to provide a new cylindrical carbon dioxide enrichment tower to solve the above technical problems. Utility Model Content

[0006] The utility model provides a new cylindrical carbon dioxide enrichment tower, which solves the problem that as the carbon dioxide emissions continue to increase, more efficient enrichment equipment is needed to improve the processing capacity. Traditional enrichment towers often have low efficiency and large floor space when processing large flows of carbon dioxide gas.

[0007] In order to solve the above technical problems, the utility model provides a novel cylindrical carbon dioxide enrichment tower, comprising:

[0008] The first-layer enrichment tower, the second-layer enrichment tower, the secondary enrichment tower and the second air intake box. The first-layer enrichment tower also includes a bottom bracket, a first air intake box, a first enrichment box, an enrichment membrane, a first rich CO2 outlet pipe, a rich CO2 outlet pipe connecting pipe socket, a exhaust gas outlet connecting pipe socket, an exhaust gas outlet electric regulating butterfly valve, an air intake box on-site pressure gauge, an air intake box pressure sensor, an enrichment box on-site pressure gauge, and an enrichment box pressure sensor. The bottom bracket is installed at the bottom of the first air intake box, the top of the first air intake box is connected to the bottom of the first enrichment box, the enrichment membrane and the first rich CO2 outlet pipe are both arranged inside the first enrichment box, the rich CO2 outlet pipe connecting pipe socket is installed on one side of the surface of the first enrichment box, the exhaust gas outlet connecting pipe socket, the exhaust gas outlet electric regulating butterfly valve, the air intake box on-site pressure gauge, the air intake box pressure sensor, the enrichment box on-site pressure gauge and the enrichment box pressure sensor are all installed on the surface of the first enrichment box.

[0009] Preferably, the air intake box and the first enrichment box are connected via a bolt connection pair.

[0010] Preferably, the air intake box includes a first bottom plate, a first side plate, a first upper connecting flange, a first air intake pipe seat and a first inspection manhole, the side plate is arranged on the surface of the bottom plate, the upper connecting flange is arranged on the top of the side plate, the air intake pipe seat is arranged on the surface of the side plate, and the first inspection manhole is opened on the surface of the side plate.

[0011] Preferably, the enrichment box includes a first flange orchid, a wire hole column, a wall panel, a top plate, a first top plate reinforced steel structure, a special air outlet pipe socket, a exhaust gas outlet socket and a second inspection manhole. The wire hole column is arranged on the surface of the first flange orchid, the wall panel is arranged on the surface of the first flange orchid and is located on the side of the wire hole column, the first top plate reinforced steel structure is arranged on the top of the wire hole column, the top plate is arranged on the surface of the top plate plus steel structure, and the special air outlet pipe socket, the exhaust gas outlet socket and the second inspection manhole are respectively arranged on the surface of the wall panel.

[0012] Preferably, a base flange is provided between the enrichment membrane and the first flange orchid plate, a sealing rubber ring is provided inside the base flange, a stainless steel metal winding gasket is provided on the top of the base flange, a flange pressure plate is provided on the surface of the stainless steel metal winding gasket, a spring washer is provided inside the flange pressure plate, fastening bolts are provided between the base flange, the stainless steel metal winding gasket and the flange pressure plate, the base flange is welded to the first flange orchid plate, a transparent rubber hose is provided at the air outlet of the enrichment membrane, the transparent rubber hose is connected to the CO2-rich outlet pipe, and a throat clamp is provided between the transparent rubber hose and the CO2-rich outlet pipe.

[0013] Preferably, the CO2-rich outlet pipe includes an outlet main pipe, a first outlet outer ring pipe, a first outlet inner ring pipe, a first inner and outer ring pipe connecting pipe and a first enrichment membrane interface pipe. One end of the outlet main pipe is connected to one end of the first inner and outer ring pipe connecting pipe, one end of the first inner and outer ring pipe connecting pipe is connected to one end of the first enrichment membrane interface pipe, the surface of the first inner and outer ring pipe connecting pipe is respectively provided with a first outlet outer ring pipe and a first outlet inner ring pipe, and the bottom of the second air inlet box is provided with a reinforcement support.

[0014] Preferably, the secondary enrichment tower includes a third air inlet box, a second enrichment box, a second CO2-rich outlet pipe, a CO2-rich outlet pipe connection seat and a lean gas return port connection seat; the second enrichment box, the CO2-rich outlet pipe and the CO2-rich outlet pipe connection seat are all arranged on the surface of the third air inlet box; the lean gas return port connection seat is arranged on the side of the wall panel; the air inlet box includes a second bottom plate, a second side plate, a second upper connecting flange and a second air inlet connection seat; the second side plate is arranged on the surface of the second bottom plate; the second upper connecting flange and the second air inlet connection seat are respectively connected to the surface and top of the second side plate.

[0015] Preferably, the bottom and surface of the second enrichment box are respectively provided with a second flange and a second top plate reinforcement steel structure.

[0016] Preferably, the CO2-rich outlet pipe includes an outlet main pipe, a second outlet outer ring pipe, a second outlet inner ring pipe and a second inner and outer ring pipe connecting pipe, and the outlet main pipe, the second outlet outer ring pipe, the second outlet inner ring pipe and the second inner and outer ring pipe connecting pipe are respectively arranged on the CO2-rich outlet pipe.

[0017] Preferably, a disassembly assembly is provided on the surface of the exhaust gas outlet electric regulating butterfly valve, and the disassembly assembly includes a disassembly ring, a positioning ring is connected to one side of the disassembly ring, and a positioning ring adapted to the positioning ring is opened on the side of the exhaust gas outlet electric regulating butterfly valve, and a sealing assembly is provided between the exhaust gas outlet electric regulating butterfly valve and the disassembly ring, and the sealing assembly includes a fixing hoop, a rubber sealing ring is provided inside the fixing hoop, and a bolt is provided on one side of the fixing hoop.

[0018] Compared with related technologies, the novel cylindrical carbon dioxide enrichment tower provided by the present invention has the following beneficial effects:

[0019] This utility model provides a new cylindrical carbon dioxide enrichment tower. Its rational cylindrical structure provides a large internal space, accommodating more processing medium and thus increasing the carbon dioxide processing capacity. Compared to traditional equipment, it can process more carbon dioxide gas in the same amount of time, significantly improving work efficiency.

[0020] The unique internal structure and airflow channel design optimizes the gas flow path, reduces airflow resistance, and enables carbon dioxide gas to pass through the enrichment tower more smoothly, further improving the processing speed.

[0021] The use of advanced separation technologies and materials can more effectively separate carbon dioxide from other impurities, improving the enrichment purity of carbon dioxide. This is of great significance for applications requiring high carbon dioxide purity, such as food processing and the electronics industry.

[0022] Precise temperature and pressure control ensures the stability and reliability of the separation process, which is beneficial to improving separation purity.

[0023] The cylindrical structure has excellent mechanical properties and can withstand high pressure and external forces, ensuring the stability of the equipment during operation. Even in complex working environments, it can maintain a stable operating state and reduce downtime caused by equipment failure.

[0024] Reasonable material selection and manufacturing process improve the corrosion resistance and service life of the equipment and reduce maintenance costs.

[0025] The cylindrical design is compact and occupies a small area, making it suitable for installation and use in places with limited space. For some companies with limited space, this can save a lot of space and improve site utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of a first embodiment of a novel cylindrical carbon dioxide enrichment tower provided by the utility model;

[0027] Figure 2 This is the elevation layout of the first floor of the first-level enrichment tower;

[0028] Figure 3 This is a schematic diagram of the bottom bracket of the first-stage enrichment tower;

[0029] Figure 4 This is a schematic diagram of the connection between the first-stage enrichment tower air inlet box and the enrichment box;

[0030] Figure 5 This is a schematic diagram of the air inlet box of the first-stage enrichment tower;

[0031] Figure 6 It is a schematic diagram of the enrichment box of the first-stage enrichment tower;

[0032] Figure 7 This is a schematic diagram of the flange of the enrichment box of the first-stage enrichment tower;

[0033] Figure 8 This is the plan layout of the enrichment box of the first-stage enrichment tower;

[0034] Figure 9 This is the plan layout of the reinforced steel structure for the top plate of the first-level enrichment tower;

[0035] Figure 10 This is a schematic diagram of the support positions of the enrichment box columns and the enriched gas outlet pipe of the first-stage enrichment tower;

[0036] Figure 11 This is a schematic diagram of drilling and tapping of the enrichment box columns of the enrichment tower;

[0037] Figure 12 It is a schematic diagram of the wall panel of the enrichment box of the enrichment tower;

[0038] Figure 13 is a schematic diagram of the connection structure between the enrichment membrane and the base flange;

[0039] Figure 14 This is a schematic diagram of the connection between the enrichment membrane and the flower plate of the enrichment tower;

[0040] Figure 15 This is a schematic diagram of the connection between the enrichment membrane of the enrichment tower and the rich CO2 outlet pipe;

[0041] Figure 16 This is the plan layout of the enriched gas outlet pipe of the first-stage enrichment tower;

[0042] Figure 17 This is the elevation layout of the enriched gas outlet pipe of the first-stage enrichment tower;

[0043] Figure 18 This is the plan layout of the reinforced steel structure for the top plate of the first-level enrichment tower;

[0044] Figure 19 This is the elevation layout drawing of the second-level enrichment tower of the first-level enrichment tower;

[0045] Figure 20 This is a schematic diagram of the exhaust gas discharge and enriched gas recovery pipeline of the second-layer enrichment tower of the first-level enrichment tower;

[0046] Figure 21 This is a schematic diagram of the air inlet box of the second-layer enrichment tower of the first-stage enrichment tower;

[0047] Figure 22 This is a schematic diagram of the bottom reinforcement support of the second-layer enrichment tower air inlet box;

[0048] Figure 23 This is a schematic diagram of the exhaust gas discharge pipeline of the first-stage enrichment tower;

[0049] Figure 24 This is the elevation layout of the secondary enrichment tower;

[0050] Figure 25 This is the air inlet orientation diagram of the secondary enrichment tower;

[0051] Figure 26 This is a schematic diagram of the air inlet box of the secondary enrichment tower;

[0052] Figure 27 It is a schematic diagram of the enrichment box of the secondary enrichment tower;

[0053] Figure 28 This is a schematic diagram of the secondary enrichment tower plate;

[0054] Figure 29 is a schematic diagram of the installation position of the second top plate reinforcement steel structure;

[0055] Figure 30 This is a structural schematic diagram of a second embodiment of a novel cylindrical carbon dioxide enrichment tower provided by the utility model;

[0056] Figure 31 for Figure 30 Enlarged schematic diagram of part A in the middle.

[0057] Numbers in the figure: 34, first enrichment tower; 35, second enrichment tower; 36, bottom bracket; 37, first air inlet box; 38, first enrichment box; 39, enrichment membrane; 40, first CO2-rich outlet pipe; 41, CO2-rich outlet shut-off valve; 42, exhaust gas outlet pipe seat; 43, exhaust gas outlet electric regulating butterfly valve; 44, air inlet box on-site pressure gauge; 45, air inlet box pressure sensor; 46, enrichment box on-site pressure gauge; 47, enrichment box pressure sensor; 48, bolt connection pair; 49, stainless steel graphite wound gasket; 50, first bottom plate; 51, first side plate; 52, first upper connecting flange; 53, first air inlet pipe seat; 54, first inspection manhole; 55, first method Orchid plate; 56, thread hole column; 57, wall plate; 58, top plate; 59, first top plate reinforced steel structure; 60, special outlet pipe socket; 61, exhaust gas outlet socket; 62, second inspection manhole; 63, base flange; 64, sealing rubber ring; 65, stainless steel metal spiral wound gasket; 66, flange pressure plate; 67, fastening bolts; 68, spring washer; 69, transparent hose; 70, throat clamp; 71, outlet main pipe; 72, first outlet outer ring pipe; 73, first outlet inner ring pipe; 74, first inner and outer ring pipe connecting pipe; 75, first enrichment membrane interface pipe; 76, second air inlet box; 77, bottom reinforcement support; 78, first layer enrichment tower discharge branch pipe; 79, discharge main pipe; 80, second layer enrichment tower 81. First-layer enrichment tower enriched CO2 outlet branch pipe; 82. Second-layer enrichment tower enriched CO2 outlet branch pipe; 83. Outlet main pipe; 84. Welding flange; 85. Seamless steel pipe; 86. Special manhole flange; 87. Sealing rubber ring; 88. Special pressure plate flange; 89. Fastening bolt; 90. Spring washer; 91. Threaded connection flange; 92. Outlet shut-off valve; 93. Inlet main pipe; 94. Inlet branch pipe; 95. Inlet electric butterfly valve; 96. Inlet expansion joint; 97. Inlet local pressure gauge; 98. Inlet pressure sensor; 99. Vacuum pump; 100. Inlet local pressure gauge; 101. Inlet pressure sensor; 102. Outlet expansion joint; 103. Outlet electric butterfly valve; 104. Outlet Gas branch pipe; 105, outlet main pipe; 106, air inlet pipe; 107, electric butterfly valve; 108, bellows compensator; 109, centrifugal fan; 110, outlet pipe; 111, air inlet pipe; 112, electric butterfly valve; 113, bellows compensator; 114, third air inlet box; 115, second enrichment box; 116, second CO2-rich outlet pipe; 117, second bottom plate; 118, second side plate; 119, second upper connecting flange; 120, second air inlet pipe socket; 121, second flange; 122, second top plate reinforced steel structure; 123, exhaust gas return port pipe socket; 124, second outlet outer ring pipe; 125, second outlet inner ring pipe; 126, second inner and outer ring pipe connecting pipe;

[0058] 154. Disassembly assembly; 1541. Disassembly ring; 1542. Positioning ring; 1543. Positioning groove;

[0059] 155. Sealing assembly; 1551. Fixing hoop; 1552. Rubber sealing ring; 1553. Bolt. DETAILED DESCRIPTION

[0060] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0061] First embodiment

[0062] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 、 Figure 10 、 Figure 11 、 Figure 12 、 Figure 13 、 Figure 14 、 Figure 15 、 Figure 16 、 Figure 17 、 Figure 18 、 Figure 19 、 Figure 20 、 Figure 21 、 Figure 22 、 Figure 23 、 Figure 24 、 Figure 24 、 Figure 26 、 Figure 27 、 Figure 28 and Figure 29 ,in, Figure 1 This is a structural schematic diagram of a first embodiment of a novel cylindrical carbon dioxide enrichment tower provided by the utility model; Figure 2 This is the elevation layout of the first floor of the first-level enrichment tower; Figure 3 This is a schematic diagram of the bottom bracket of the first-stage enrichment tower; Figure 4 This is a schematic diagram of the connection between the first-stage enrichment tower air inlet box and the enrichment box; Figure 5 This is a schematic diagram of the air inlet box of the first-stage enrichment tower; Figure 6 It is a schematic diagram of the enrichment box of the first-stage enrichment tower; Figure 7 This is a schematic diagram of the flange of the enrichment box of the first-stage enrichment tower; Figure 8 This is the plan layout of the enrichment box of the first-stage enrichment tower; Figure 9 This is the plan layout of the reinforced steel structure for the top plate of the first-level enrichment tower; Figure 10 This is a schematic diagram of the support positions of the enrichment box columns and the enriched gas outlet pipe of the first-stage enrichment tower; Figure 11 This is a schematic diagram of drilling and tapping of the enrichment box columns of the enrichment tower; Figure 12 Figure 13 is a schematic diagram of the connection structure between the enrichment membrane and the base flange; Figure 14 This is a schematic diagram of the connection between the enrichment membrane and the flower plate of the enrichment tower; Figure 15 This is a schematic diagram of the connection between the enrichment membrane of the enrichment tower and the rich CO2 outlet pipe; Figure 16 This is the plan layout of the enriched gas outlet pipe of the first-stage enrichment tower; Figure 17 This is the elevation layout of the enriched gas outlet pipe of the first-stage enrichment tower; Figure 18 This is the plan layout of the reinforced steel structure for the top plate of the first-level enrichment tower; Figure 19 This is the elevation layout drawing of the second-level enrichment tower of the first-level enrichment tower; Figure 20 This is a schematic diagram of the exhaust gas discharge and enriched gas recovery pipeline of the second-layer enrichment tower of the first-level enrichment tower; Figure 21 This is a schematic diagram of the air inlet box of the second-layer enrichment tower of the first-stage enrichment tower; Figure 22 This is a schematic diagram of the bottom reinforcement support of the second-layer enrichment tower air inlet box; Figure 23 This is a schematic diagram of the exhaust gas discharge pipeline of the first-stage enrichment tower; Figure 24 This is the elevation layout of the secondary enrichment tower; Figure 25 This is the air inlet orientation diagram of the secondary enrichment tower; Figure 26 This is a schematic diagram of the air inlet box of the secondary enrichment tower; Figure 27 It is a schematic diagram of the enrichment box of the secondary enrichment tower; Figure 28 Figure 29 is a schematic diagram of the secondary enrichment tower flower plate; Figure 29 is a schematic diagram of the installation position of the second top plate reinforcement steel structure. A new cylindrical carbon dioxide enrichment tower includes:

[0063] The first enrichment tower 34, the second enrichment tower 35, the secondary enrichment tower 9 and the second air inlet box 76, the first enrichment tower 34 also includes a bottom bracket 36, a first air inlet box 37, a first enrichment box 38, an enrichment membrane 39, a first CO2-rich outlet pipe 40, a CO2-rich outlet pipe connection seat 41, a waste gas outlet connection seat 42, a waste gas outlet electric regulating butterfly valve 43, an air inlet box on-site pressure gauge 44, an air inlet box pressure sensor 45, an enrichment box on-site pressure gauge 46, and an enrichment box pressure sensor 47. The bottom bracket 36 is installed at the bottom of the first air inlet box 37. The top of the first air intake box 37 is connected to the bottom of the first enrichment box 38, the enrichment membrane 39 and the first CO2-rich outlet pipe 40 are both arranged inside the first enrichment box 38, the CO2-rich outlet pipe socket 41 is installed on one side of the surface of the first enrichment box 38, the exhaust gas outlet socket 42, the exhaust gas outlet electric regulating butterfly valve 43, the air intake box on-site pressure gauge 44, the air intake box pressure sensor 45, the enrichment box on-site pressure gauge 46 and the enrichment box pressure sensor 47 are all installed on the surface of the first enrichment box 38.

[0064] The air intake box 37 and the first enrichment box 38 are connected via a bolt connection pair 48 .

[0065] The air intake box body 37 includes a first bottom plate 50, a first side plate 51, a first upper connecting flange 52, a first air intake pipe seat 53 and a first inspection manhole 54. The side plate 51 is arranged on the surface of the bottom plate 50, the upper connecting flange 52 is arranged on the top of the side plate 51, the air intake pipe seat 53 is arranged on the surface of the side plate 51, and the first inspection manhole 54 is opened on the surface of the side plate 51.

[0066] The enrichment box 38 includes a first flange orifice 55, a thread hole column 56, a wall panel 57, a top plate 58, a first top plate reinforced steel structure 59, a special air outlet pipe socket 60, a waste gas outlet socket 61 and a second inspection manhole 62. The thread hole column 56 is arranged on the surface of the first flange orifice 55, the wall panel 57 is arranged on the surface of the first flange orifice 55 and is located on the side of the thread hole column 56, the first top plate reinforced steel structure 59 is arranged on the top of the thread hole column 56, the top plate 58 is arranged on the surface of the top plate plus steel structure 59, the special air outlet pipe socket 60, the waste gas outlet socket 61 and the second inspection manhole 62 are respectively arranged on the surface of the wall panel 57.

[0067] A base flange 63 is provided between the enrichment membrane 39 and the first flange orchid 55, a sealing rubber ring 64 is provided inside the base flange 63, a stainless steel metal wound gasket 65 is provided on the top of the base flange 63, a flange pressure plate 66 is provided on the surface of the stainless steel metal wound gasket 65, a spring washer 68 is provided inside the flange pressure plate, fastening bolts 67 are provided between the base flange 63, the stainless steel metal wound gasket 65 and the flange pressure plate 66, the base flange 63 is welded to the first flange orchid 55, a transparent rubber hose 69 is provided at the air outlet of the enrichment membrane 39, the transparent rubber hose 69 is connected to the CO2-rich outlet pipe 40, and a throat clamp 70 is provided between the transparent rubber hose 69 and the CO2-rich outlet pipe 40.

[0068] The CO2-rich outlet pipe 40 includes an outlet main pipe 71, a first outlet outer ring pipe 72, a first outlet inner ring pipe 73, a first inner and outer ring pipe connecting pipe 74 and a first enrichment membrane interface pipe 75. One end of the outlet main pipe 71 is connected to one end of the first inner and outer ring pipe connecting pipe 74, one end of the first inner and outer ring pipe connecting pipe 74 is connected to one end of the first enrichment membrane interface pipe 75, and the surface of the first inner and outer ring pipe connecting pipe 74 is respectively provided with a first outlet outer ring pipe 72 and a first outlet inner ring pipe 73, and the bottom of the second air inlet box 76 is provided with a reinforcement support 77.

[0069] The secondary enrichment tower 9 includes a third air intake box 114, a second enrichment box 115, a second CO2-rich outlet pipe 116, a CO2-rich outlet pipe connection seat 41 and a lean gas return port connection seat 123. The second enrichment box 115, the CO2-rich outlet pipe 116 and the CO2-rich outlet pipe connection seat 41 are all arranged on the surface of the third air intake box 114. The lean gas return port connection seat 123 is arranged on the side of the wall panel 57. The air intake box 114 includes a second bottom plate 117, a second side plate 118, a second upper connecting flange 119 and a second air intake connection seat 120. The second side plate 118 is arranged on the surface of the second bottom plate 117. The second upper connecting flange 119 and the second air intake connection seat 120 are respectively connected to the surface and top of the second side plate 118.

[0070] A second flange 121 and a second top plate reinforcement steel structure 122 are respectively provided on the bottom and the surface of the second enrichment box 115 .

[0071] The CO2-rich outlet pipe 116 includes an outlet main pipe 71, a second outlet outer ring pipe 124, a second outlet inner ring pipe 125 and a second inner and outer ring pipe connecting pipe 126. The outlet main pipe 71, the second outlet outer ring pipe 124, the second outlet inner ring pipe 125 and the second inner and outer ring pipe connecting pipe 126 are respectively arranged on the CO2-rich outlet pipe 116.

[0072] Enrichment membrane 39 inspection channels are provided in the first-layer enrichment tower 34 and the second-layer enrichment tower 35 according to the orientation of the manhole; the electric regulating butterfly valve 43 at the exhaust gas outlet is interlocked with the enrichment box pressure sensor 47 to ensure the working pressure in the enrichment box 38 of the first-layer enrichment tower 34.

[0073] The first air intake box 37 and the first enrichment box 38 are connected by a bolt connection pair 48, and a stainless steel graphite wound gasket 49 is arranged in the middle to facilitate the anti-corrosion maintenance of the interior of the air intake box.

[0074] The inside of the box is painted with acid-resistant paint.

[0075] The first flange 52 is provided with a number of air inlets for the enrichment membrane 39; the number of threaded hole columns 56 is set according to the diameter of the enrichment box, and threaded holes for bolts connected to the wall panels 57 are drilled in the flange plate; the wall panels 57 of the first enrichment box 38 are arranged as several detachable pieces to facilitate the installation of the enrichment membrane 39 and the tightness test inspection.

[0076] The enrichment membrane 39 has an air permeability of 14.6 to 18.3 × 10-4 (stp) cm3 / s.cm2.cm, which meets the requirements for CO2 enrichment. Flue gas enters the bottom of the enrichment membrane, exhaust gas is discharged from the top of the membrane, and enriched gas is discharged from the negative pressure exhaust port in the center of the top of the membrane.

[0077] Enrichment membrane 39 inspection channels are provided in the first and second enrichment towers 34 and 35 according to the manhole positions; the electric regulating butterfly valve 43 at the exhaust gas outlet is interlocked with the enrichment box pressure sensor 47 to ensure the working pressure in the first enrichment box 38 of the second enrichment tower 34.

[0078] The inside of the box is painted with acid-resistant paint; in order to ensure convenient transportation and prevent the enrichment tower from being deformed, the air inlet box is provided with a bottom reinforcement support 77.

[0079] The number of threaded hole columns 56 is set according to the diameter of the enrichment box, and bolt threads connected to the wall plate 57 are drilled on the flange plate; the wall plate 57 of the enrichment box 115 is set to several detachable pieces to facilitate the installation of the enrichment membrane 39 and the tightness test inspection.

[0080] Compared with related technologies, the novel cylindrical carbon dioxide enrichment tower provided by the present invention has the following beneficial effects:

[0081] This utility model provides a new cylindrical carbon dioxide enrichment tower. Its rational cylindrical structure provides a large internal space, accommodating more processing medium and thus increasing the carbon dioxide processing capacity. Compared to traditional equipment, it can process more carbon dioxide gas in the same amount of time, significantly improving work efficiency.

[0082] The unique internal structure and airflow channel design optimizes the gas flow path, reduces airflow resistance, and enables carbon dioxide gas to pass through the enrichment tower more smoothly, further improving the processing speed.

[0083] The use of advanced separation technologies and materials can more effectively separate carbon dioxide from other impurities, improving the enrichment purity of carbon dioxide. This is of great significance for applications requiring high carbon dioxide purity, such as food processing and the electronics industry.

[0084] Precise temperature and pressure control ensures the stability and reliability of the separation process, which is beneficial to improving separation purity.

[0085] The cylindrical structure has excellent mechanical properties and can withstand high pressure and external forces, ensuring the stability of the equipment during operation. Even in complex working environments, it can maintain a stable operating state and reduce downtime caused by equipment failure.

[0086] Reasonable material selection and manufacturing process improve the corrosion resistance and service life of the equipment and reduce maintenance costs.

[0087] The cylindrical design is compact and occupies a small area, making it suitable for installation and use in places with limited space. For some companies with limited space, this can save a lot of space and improve site utilization.

[0088] Second embodiment

[0089] Please refer to Figure 30 and Figure 31 Based on the novel cylindrical carbon dioxide enrichment tower provided in the first embodiment of this application, the second embodiment of this application proposes another novel cylindrical carbon dioxide enrichment tower. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0090] Specifically, the difference of the new cylindrical carbon dioxide enrichment tower provided in the second embodiment of the present application is that, in a new cylindrical carbon dioxide enrichment tower, a disassembly component 154 is provided on the surface of the exhaust gas outlet electric regulating butterfly valve 43, and the disassembly component 154 includes a disassembly ring 1541, and a positioning ring 1542 is connected to one side of the disassembly ring 1541. A positioning groove 1543 that is compatible with the positioning ring 1542 is provided on the side of the exhaust gas outlet electric regulating butterfly valve 43, and a sealing component 155 is provided between the exhaust gas outlet electric regulating butterfly valve 43 and the disassembly ring 1541. The sealing component 155 includes a fixing hoop 1551, a rubber sealing ring 1552 is provided inside the fixing hoop 1551, and a bolt 1553 is provided on one side of the fixing hoop 1551.

[0091] The use of the positioning ring 1542 and the positioning groove 1543 facilitates positioning when the disassembly ring 1541 is connected to the exhaust gas outlet electric regulating butterfly valve 43.

[0092] The working principle of a novel cylindrical carbon dioxide enrichment tower provided by the utility model is as follows:

[0093] During use, when cleaning the inside of the exhaust gas outlet electric regulating butterfly valve 43, first remove the bolt 1553 on the fixing hoop 1551. After the bolt 1553 is removed, remove the fixing hoop 1551 between the disassembly ring 1541 and the exhaust gas outlet electric regulating butterfly valve 43. After the fixing hoop 1551 is removed, pull the disassembly ring 1541 to drive the positioning ring 1542 to separate from the positioning groove 1543 opened at the end of the exhaust gas outlet electric regulating butterfly valve 43.

[0094] Compared with related technologies, the novel cylindrical carbon dioxide enrichment tower provided by the present invention has the following beneficial effects:

[0095] The utility model provides a novel cylindrical carbon dioxide enrichment tower, wherein a disassembly component 154 and a sealing component 155 are arranged on the surface of the exhaust gas outlet electric regulating butterfly valve 43 to facilitate regular disassembly of the exhaust gas outlet electric regulating butterfly valve 43 and cleaning of the interior.

[0096] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A new cylindrical carbon dioxide enrichment tower, characterized in that: include: The first-layer enrichment tower, the second-layer enrichment tower, the secondary enrichment tower and the second air intake box. The first-layer enrichment tower also includes a bottom bracket, a first air intake box, a first enrichment box, an enrichment membrane, a first rich CO2 outlet pipe, a rich CO2 outlet pipe connecting pipe socket, a exhaust gas outlet connecting pipe socket, an exhaust gas outlet electric regulating butterfly valve, an air intake box on-site pressure gauge, an air intake box pressure sensor, an enrichment box on-site pressure gauge, and an enrichment box pressure sensor. The bottom bracket is installed at the bottom of the first air intake box, the top of the first air intake box is connected to the bottom of the first enrichment box, the enrichment membrane and the first rich CO2 outlet pipe are both arranged inside the first enrichment box, the rich CO2 outlet pipe connecting pipe socket is installed on one side of the surface of the first enrichment box, the exhaust gas outlet connecting pipe socket, the exhaust gas outlet electric regulating butterfly valve, the air intake box on-site pressure gauge, the air intake box pressure sensor, the enrichment box on-site pressure gauge and the enrichment box pressure sensor are all installed on the surface of the first enrichment box.

2. The novel cylindrical carbon dioxide enrichment tower according to claim 1, characterized in that: The air intake box and the first enrichment box are connected via a bolt connection pair.

3. The novel cylindrical carbon dioxide enrichment tower according to claim 1, characterized in that: The air intake box includes a first bottom plate, a first side plate, a first upper connecting flange, a first air intake pipe seat and a first inspection manhole. The side plate is arranged on the surface of the bottom plate, the upper connecting flange is arranged on the top of the side plate, the air intake pipe seat is arranged on the surface of the side plate, and the first inspection manhole is opened on the surface of the side plate.

4. The novel cylindrical carbon dioxide enrichment tower according to claim 1, characterized in that: The enrichment box includes a first flange orchid, a thread hole column, a wall panel, a top plate, a first top plate reinforced steel structure, a special air outlet pipe socket, a exhaust gas outlet socket and a second inspection manhole. The thread hole column is arranged on the surface of the first flange orchid, the wall panel is arranged on the surface of the first flange orchid and is located on the side of the thread hole column, the first top plate reinforced steel structure is arranged on the top of the thread hole column, the top plate is arranged on the surface of the top plate plus steel structure, the special air outlet pipe socket, the exhaust gas outlet socket and the second inspection manhole are respectively arranged on the surface of the wall panel.

5. The novel cylindrical carbon dioxide enrichment tower according to claim 4, characterized in that: A base flange is provided between the enrichment membrane and the first flange orchid plate, a sealing rubber ring is provided inside the base flange, a stainless steel metal winding gasket is provided on the top of the base flange, a flange pressure plate is provided on the surface of the stainless steel metal winding gasket, a spring washer is provided inside the flange pressure plate, fastening bolts are provided between the base flange, the stainless steel metal winding gasket and the flange pressure plate, the base flange is welded to the first flange orchid plate, a transparent rubber hose is provided at the air outlet of the enrichment membrane, the transparent rubber hose is connected to the CO2-rich outlet pipe, and a throat clamp is provided between the transparent rubber hose and the CO2-rich outlet pipe.

6. The novel cylindrical carbon dioxide enrichment tower according to claim 1, characterized in that: The CO2-rich outlet pipe includes an outlet main pipe, a first outlet outer ring pipe, a first outlet inner ring pipe, a first inner and outer ring pipe connecting pipe and a first enrichment membrane interface pipe. One end of the outlet main pipe is connected to one end of the first inner and outer ring pipe connecting pipe, one end of the first inner and outer ring pipe connecting pipe is connected to one end of the first enrichment membrane interface pipe, the surface of the first inner and outer ring pipe connecting pipe is respectively provided with a first outlet outer ring pipe and a first outlet inner ring pipe, and the bottom of the second air intake box is provided with a reinforcement support.

7. The novel cylindrical carbon dioxide enrichment tower according to claim 4, characterized in that: The secondary enrichment tower includes a third air intake box, a second enrichment box, a second CO2-rich outlet pipe, a CO2-rich outlet pipe connection seat and a lean gas return port connection seat. The second enrichment box, the CO2-rich outlet pipe and the CO2-rich outlet pipe connection seat are all arranged on the surface of the third air intake box, and the lean gas return port connection seat is arranged on the side of the wall panel. The air intake box includes a second bottom plate, a second side plate, a second upper connecting flange and a second air intake connection seat. The second side plate is arranged on the surface of the second bottom plate, and the second upper connecting flange and the second air intake connection seat are respectively connected to the surface and top of the second side plate.

8. The novel cylindrical carbon dioxide enrichment tower according to claim 7, characterized in that: The bottom and surface of the second enrichment box are respectively provided with a second flange and a second top plate reinforcement steel structure.

9. The novel cylindrical carbon dioxide enrichment tower according to claim 4, characterized in that: The CO2-rich outlet pipe includes an outlet main pipe, a second outlet outer ring pipe, a second outlet inner ring pipe and a second inner and outer ring pipe connecting pipe. The outlet main pipe, the second outlet outer ring pipe, the second outlet inner ring pipe and the second inner and outer ring pipe connecting pipe are respectively arranged on the CO2-rich outlet pipe.

10. The novel cylindrical carbon dioxide enrichment tower according to claim 4, characterized in that: A disassembly assembly is provided on the surface of the exhaust gas outlet electric regulating butterfly valve, and the disassembly assembly includes a disassembly ring, one side of the disassembly ring is connected to a positioning ring, and a positioning ring adapted to the positioning ring is opened on the side of the exhaust gas outlet electric regulating butterfly valve, and a sealing assembly is provided between the exhaust gas outlet electric regulating butterfly valve and the disassembly ring, and the sealing assembly includes a fixing hoop, a rubber sealing ring is provided inside the fixing hoop, and a bolt is provided on one side of the fixing hoop.

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