Carbon dioxide trapping pretreatment system for power plant

Abstract

The utility model relates to a carbon dioxide trapping pretreatment system for a power plant, which comprises a reaction tank body, one side of the lower part of the reaction tank body is communicated with an air inlet pipe, and one side of the upper part of the reaction tank body is communicated with an air outlet pipe. Therefore, the cost of replacing the filler block is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of pretreatment systems, more exactly a kind of power plant carbon dioxide capture pretreatment system. BACKGROUND

[0002] The existing power plant carbon dioxide capture pretreatment system, due to the gas impurities generated by power plant are more, easy to cause packing to accumulate more impurities, and the existing technology needs to disassemble tank body when replacing packing, which is more troublesome. For example, the patent publication No. CN209735313U, the name is: a kind of circulating pretreatment system for coal-fired power plant carbon dioxide capture of China utility model patent document, as shown in Figure Figure 5 The packing block of the technical solution disclosed in the patent document often accumulates impurities during use, which reduces the efficiency of absorbing carbon dioxide, so the packing block needs to be replaced frequently, and the existing technology needs to disassemble the entire tank body to realize, which is more troublesome SUMMARY

[0003] The utility model aims at providing a kind of power plant carbon dioxide capture pretreatment system, can utilize packing module and positioner combination, can facilitate the disassembly and installation of packing module, to reduce the cost of replacing packing block.

[0004] The utility model realizes the above-mentioned purpose by the following technical scheme to realize the above-mentioned purpose.

[0005] The power plant carbon dioxide capture pretreatment system includes a reaction tank, a gas inlet pipe is connected to one side of the lower part of the reaction tank, a gas outlet pipe is connected to one side of the upper part of the reaction tank, a spray head and a convenient disassembly packing device are installed in the middle part of the reaction tank, the convenient disassembly packing device includes a positioner and a packing module, the positioner includes a first limiting square ring, the outer side of the first limiting square ring is connected to the inner wall of the reaction tank, a second limiting square ring is installed on the inner side of the first limiting square ring, the outer side of the second limiting square ring is connected to the inner wall of the first limiting square ring, a settling tank is formed by the cooperation of the first limiting square ring and the second limiting square ring, a first square sealing ring is connected to the upper part of the first limiting square ring, a second square sealing ring is connected to the upper part of the second limiting square ring, the packing module includes a positioning square ring, a packing block is connected to the upper part of the positioning square ring, a square tube is connected to the lower part of the positioning square ring, the bottom of the positioning square ring can cooperate with the first square sealing ring, the bottom of the square tube can cooperate with the second square sealing ring, and the square tube can be inserted and cooperated with the settling tank.

[0006] In order to further realize the purpose of the utility model, the following technical scheme can also be used: a filter and a demister are arranged on the upper part of the reaction tank.

[0007] The positioning block is connected with the baffle on one side, a through slot is arranged on one side of the reaction tank body, the baffle can block the through slot, the sealing bearing is arranged in the middle of the baffle, the sealing bearing passes through the baffle, the outer ring of the sealing bearing is connected with the baffle, the inner ring of the sealing bearing is welded after being inserted with the screw rod, one end of the screw rod is connected with the rotating handle, the nut is connected with the inner wall of the reaction tank body on one side, the screw rod end of the screw rod can be threadedly connected with the nut, and the positioning block can be matched with the through slot.

[0008] The utility model discloses a convenient dismounting filler device is increased, and the convenient dismounting filler device utilizes the combination of filler module and positioner, can conveniently dismount and install the filler module, thereby reducing the cost of replacing the filler block. BRIEF DESCRIPTION OF DRAWINGS

[0009] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0010] Figure 1 It is the structural schematic diagram of the utility model;

[0011] Figure 2 It is Figure 1 It is the enlarged structural schematic diagram along the section of A-A line;

[0012] Figure 3 It is the structural schematic diagram of the utility model that adds circulating water cooler (22), salinity adjusting device (23), automatic alkali adding device (24);

[0013] Figure 4 It is Figure 1 It is the enlarged structural schematic diagram of I of

[0014] Figure 5 It is the structural schematic diagram of prior art patent publication number: CN217201653U.

[0015] Components marked: 1. Reaction tank body 2. Filter 3. Demister 4. Nozzle 5. Baffle 6. Through groove 7. Sealed bearing 8. Screw 9. Rotating handle 10. Nut 11. Positioning block 12. Packing block 13. Positioning square ring 14. Square tube 15. First square sealing ring 16. First limiting square ring 17. Settling tank 18. Second square sealing ring 19. Second limiting ring 20. Gas outlet pipe 21. Gas inlet pipe 22. Circulating water cooler 23. Salinity adjustment device 24. Automatic alkali addition device 25. Circulating pump. Detailed Implementation

[0016] The preferred embodiments of this utility model will be described below with reference to the accompanying drawings. Embodiment 1:

[0017] Power plant carbon dioxide capture and pretreatment systems, such as Figures 1-4 As shown, the reaction vessel includes a reaction tank 1. An air inlet pipe 21 is connected to one side of the lower part of the reaction tank 1, and an air outlet pipe 20 is connected to one side of the upper part of the reaction tank 1. A nozzle 4 and a removable packing device are installed in the middle of the reaction tank 1. The removable packing device includes a positioner and a packing module. The positioner includes a first limiting square ring 16, the outer periphery of which is connected to the inner wall periphery of the reaction tank 1. A second limiting square ring 19 is installed on the lower inner side of the first limiting square ring 16, the outer periphery of which is connected to the inner wall periphery of the first limiting square ring 16. The central hole of a limiting square ring 16 mates with a second limiting square ring 19 to form a settling groove 17. The upper part of the first limiting square ring 16 is connected to a first square sealing ring 15, and the upper part of the second limiting square ring 19 is connected to a second square sealing ring 18. The packing module includes a positioning square ring 13, the upper part of which is connected to a packing block 12, and the lower part of which is connected to a square tube 14. The bottom of the positioning square ring 13 can mate with the first square sealing ring 15, and the bottom of the square tube 14 can mate with the second square sealing ring 18. The square tube 14 can be inserted into the settling groove 17.

[0018] This invention adds a convenient packing disassembly device. This device combines the packing module with a positioner, facilitating the disassembly and installation of the packing module and reducing the cost of replacing the packing block 12. During packing module installation, after the packing module is placed inside the reaction tank 1, the square tube 14 can embed itself into the settling tank 17 by its own weight. The weight of the packing module then drives the positioning square ring 13 to engage with the first square sealing ring 15 under certain pressure, and drives the square tube 14 to engage with the second square sealing ring 18 under certain pressure. This improves the sealing between the packing module and the first limiting square ring 16, allowing carbon dioxide gas to pass more fully through the packing block 12.

[0019] Specific implementation of the material and feasibility analysis: the sample we actually made is based on the drawings in the specification as a drawing, according to the proportion and cooperation mode of each component in the specification drawings, the connection is strong adhesive connection, welding, riveting, flange connection, integrated connection and other common connection methods, actual production can be selected according to the actual connection strength without the need of creativity The corresponding connection mode, the thickness and strength of the connection point. Circulating water cooler 22 can adopt circulating water cooler disclosed in patent publication number: CN209735313U, name: a circulating pretreatment system for carbon dioxide capture of coal-fired power plant. Salinity adjusting device 23 can adopt salinity adjusting device disclosed in patent publication number: CN209735313U, name: a circulating pretreatment system for carbon dioxide capture of coal-fired power plant. Automatic alkali adding device 24 can adopt automatic alkali adding device disclosed in patent publication number: CN209735313U, name: a circulating pretreatment system for carbon dioxide capture of coal-fired power plant. Filler block 12 can adopt the upper filler layer body disclosed in patent publication number: CN209735313U, name: a circulating pretreatment system for carbon dioxide capture of coal-fired power plant. Demister 3 can adopt demister disclosed in patent publication number: CN209735313U, name: a circulating pretreatment system for carbon dioxide capture of coal-fired power plant. Filter 2 can adopt candle type fiber filter disclosed in patent publication number: CN209735313U, name: a circulating pretreatment system for carbon dioxide capture of coal-fired power plant. The inlet of the nozzle 4 is connected with one end of the tube side of the circulating water cooler 22, the other end of the tube side of the circulating water cooler 22 is connected with the outlet of the water pump 25, the inlet of the water pump 25 is connected with the inside bottom of the reaction tank body 1, the salinity adjusting device 23 and the automatic alkali adding device 24 are installed at the inlet end of the tube side of the circulating water cooler 22. The air inlet pipe 21 is connected with the carbon dioxide output pipe. The water pump 25 pumps the liquid added by the salinity adjusting device 23 and the automatic alkali adding device 24 to absorb carbon dioxide into the nozzle 4, sprays through the nozzle 4 to the filler block 12, the filler block 12 is a sponge-like material, which can absorb liquid while allowing air to pass through, so that the liquid can fully contact with the carbon dioxide when the carbon dioxide passes through, thereby facilitating the absorption of carbon dioxide gas. After the gas is absorbed, it can pass through the demister 3 to remove mist and pass through the filter 2 to filter. The liquid after absorbing carbon dioxide can be discharged by the water pump 25. The upper side of the reaction tank body 1 is connected with the nozzle 4. The sealing bearing 7 can adopt the sealing bearing disclosed in CN202220241137.6 sealing bearing and bearing installation equipment.

[0020] Example 2:

[0021] The power plant carbon dioxide capture pretreatment system, such as Figures 1-4As shown, including the reaction tank body 1, the lower side of the reaction tank body 1 is communicated with the air inlet pipe 21, the upper side of the reaction tank body 1 is communicated with the air outlet pipe 20, the middle part of the reaction tank body 1 is installed with the nozzle 4 and the convenient dismounting filler device, the convenient dismounting filler device includes the positioner and the filler module, the positioner includes the first limiting square ring 16, the outer side of the first limiting square ring 16 is connected with the inner wall of the reaction tank body 1, the inner side of the first limiting square ring 16 is installed with the second limiting square ring 19, the outer side of the second limiting square ring 19 is connected with the inner wall of the first limiting square ring 16, the middle hole of the first limiting square ring 16 is matched with the second limiting square ring 19 to form the settling tank 17, the upper part of the first limiting square ring 16 is connected with the first square sealing ring 15, the upper part of the second limiting square ring 19 is connected with the second square sealing ring 18, the filler module includes the positioning square ring 13, the upper part of the positioning square ring 13 is connected with the filler block 12, the lower part of the positioning square ring 13 is connected with the square tube 14, the bottom of the positioning square ring 13 can be matched with the first square sealing ring 15, the bottom of the square tube 14 can be matched with the second square sealing ring 18, and the square tube 14 can be matched with the settling tank 17.

[0022] The inlet of the filter 2 is communicated with the space in the reaction tank body 1 where the nozzle 4 is located, the outlet of the filter 2 is communicated with the inlet of the filter 2, and the outlet of the filter 2 is communicated with the air outlet pipe 20.

[0023] Example 3:

[0024] The power plant carbon dioxide capture pretreatment system, such as Figures 1-4As shown, including reaction tank body 1, the lower side of reaction tank body 1 is communicated with inlet pipe 21, the upper side of reaction tank body 1 is communicated with outlet pipe 20, the middle part of reaction tank body 1 is installed with nozzle 4 and convenient dismounting packing device, the convenient dismounting packing device includes positioner and packing module, the positioner includes first limiting square ring 16, the outer side of first limiting square ring 16 is connected with the inner wall of reaction tank body 1, the inner side of first limiting square ring 16 is installed with second limiting square ring 19, the outer side of second limiting square ring 19 is connected with the inner wall of first limiting square ring 16, the middle hole of first limiting square ring 16 is matched with second limiting square ring 19 to form settling tank 17, the upper part of first limiting square ring 16 is connected with first square sealing ring 15, the upper part of second limiting square ring 19 is connected with second square sealing ring 18, the packing module includes positioning square ring 13, the upper part of positioning square ring 13 is connected with packing block 12, the lower part of positioning square ring 13 is connected with square tube 14, the bottom of positioning square ring 13 can be matched with first square sealing ring 15, the bottom of square tube 14 can be matched with second square sealing ring 18, square tube 14 can be matched with settling tank 17. One side of the positioning square ring 13 is connected with positioning block 11, one side of positioning block 11 is connected with baffle 5, one side of reaction tank body 1 is provided with through slot 6, baffle 5 can block through slot 6, sealing bearing 7 is installed in the middle part of baffle 5, sealing bearing 7 passes through baffle 5, the outer ring of sealing bearing 7 is connected with baffle 5, the inner ring of sealing bearing 7 is welded after being matched with screw rod 8, one end of screw rod 8 is connected with rotating handle 9, the inner wall of reaction tank body 1 is connected with nut 10, the screw rod end of screw rod 8 can be threadedly connected with nut 10, positioning block 11 can be matched with through slot 6.

[0025] The positioner and the packing module are matched, personnel can rotate rotating handle 9, so that screw rod 8 is threadedly connected with nut 10, so that baffle 5 is matched with reaction tank body 1 with certain pressure, so as to improve the sealing performance between baffle 5 and reaction tank body 1.

[0026] The above only for the preferred embodiments of the utility model, and does not limit the utility model.

Claims

1. A power plant carbon dioxide capture pre-treatment system, characterized by: The utility model provides a convenient to dismantle packing device of reaction kettle, including reaction kettle body (1), the lower part one side of reaction kettle body (1) links to each other and communicates air inlet pipe (21), the upper part one side of reaction kettle body (1) links to each other and communicates air outlet pipe (20), and the middle part of reaction kettle body (1) installs shower nozzle (4) and convenient to dismantle packing device, the convenient to dismantle packing device includes positioner and packing module, the positioner includes first limit square ring (16), the outer side of first limit square ring (16) week and the inner wall side of reaction kettle body (1) week are connected, and the inside lower part of first limit square ring (16) installs second limit square ring (19), and the outer side of second limit square ring (19) week and the inner wall side of first limit square ring (16) week are connected, and the middle hole of first limit square ring (16) is formed with second limit square ring (19) cooperation and forms settling tank (17), and the upper part of first limit square ring (16) is connected first square sealing ring (15), and the upper part of second limit square ring (19) is connected second square sealing ring (18), and the packing module includes positioning square ring (13), and the upper part of positioning square ring (13) is connected packing block (12), and the lower part of positioning square ring (13) is connected square tube (14), and the bottom of positioning square ring (13) can be with first square sealing ring (15) cooperation, and the bottom of square tube (14) can be with second square sealing ring (18) cooperation, and square tube (14) can be with settling tank (17) insertion joint cooperation.

2. The power plant carbon dioxide capture pre-treatment system of claim 1, wherein: The upper part of the reaction kettle body (1) is provided with a filter (2) and a demister (3).

3. The power plant carbon dioxide capture pre-treatment system of claim 1, wherein: One side of the positioning square ring (13) is connected to a positioning block (11), one side of the positioning block (11) is connected to a baffle (5), a through slot (6) is formed in one side of the reaction kettle body (1), the baffle (5) can block the through slot (6), a sealing bearing (7) is installed in the middle of the baffle (5), the sealing bearing (7) passes through the baffle (5), the outer ring of the sealing bearing (7) is connected to the baffle (5), the inner ring of the sealing bearing (7) is inserted into and welded to a screw rod (8), one end of the screw rod (8) is connected to a rotating handle (9), the inner wall of the reaction kettle body (1) is connected to a nut (10) on one side, the screw rod end of the screw rod (8) can be threadedly connected to the nut (10), and the positioning block (11) can cooperate with the through slot (6).

Images