Box-type integrated gas absorption system

Abstract

A box-type integrated gas absorption system, comprising N absorption modules (2) and N-1 connection modules (3). The connection modules (3) are each arranged between every two absorption modules (2); the absorption modules (2) and the connection modules (3) are all square cylinders having both closed top and closed bottom; a liquid outlet (2-8) is formed in the bottom of each absorption module (2); an absorption inlet (2-6) is formed in the lower part of a first side wall of each absorption module (2); an absorption outlet (2-3) is formed in the upper part of a second side wall opposite to the first side wall of each absorption module (2); a micro-bubble gas washing tower plate (2-2) is further arranged between the absorption inlet (2-6) and the absorption outlet (2-3); an absorption liquid distributor (2-1) is arranged at the inner top of each absorption module (2); a connection inlet is formed in the upper part of a first side wall of each connection module (3); the connection inlet is connected to a corresponding absorption outlet (2-3); a connection outlet (2-7) is formed in the lower part of a second side wall opposite to the first side wall of each connection module (3); and the absorption modules (2) and the connection modules (3) are sequentially a first absorption module, a first connection module, a second absorption module, ..., an (N-1)th connection module, and an Nth absorption module according to a gas flow direction, wherein N is an integer greater than or equal to 2. The box-type integrated gas absorption system can be flexibly assembled and integrated on the basis of waste gas treatment requirements and waste gas types.

Description

A box-type integrated gas absorption system Technical Field

[0001] The invention belongs to the field of gas absorption, and in particular relates to a box-type integrated gas absorption system. Background Art

[0002] Gas pollution has become a significant issue in today's society. To address this, gas absorption systems are widely used in treatment processes. However, existing gas absorption systems have several drawbacks, such as complex structures, difficulty in installation and maintenance, and relatively low processing capacity of individual absorption systems, which cannot meet the needs of efficient, large-scale absorption. Therefore, there is an urgent need for a new gas absorption system structure that can improve absorption efficiency and stability while being easy to install and maintain. Such a new system would be able to effectively address gas pollution and meet the demand for efficient gas absorption in various fields. Summary of the Invention

[0003] In response to the problems of traditional gas absorption towers such as complex structure, high cost, limited processing capacity, high energy consumption, and complex operation and maintenance, the present invention proposes a box-type integrated gas absorption system with a simple structure and easy installation and maintenance.

[0004] To achieve the above object, the technical solution of the present invention is as follows:

[0005] A box-type integrated gas absorption system includes N absorption modules 2 and N-1 connection modules 3.

[0006] The connecting module 3 is provided between the two absorption modules 2. Both the absorption module and the connecting module are in the shape of square cylinders with closed tops and bottoms. The bottom of the absorption module 2 is provided with a liquid outlet 2-8.

[0007] An absorption inlet 2-6 is provided at the lower portion of the first side wall of the absorption module 2, an absorption outlet 2-3 is provided at the upper portion of the second side wall opposite to the first side wall of the absorption module, a micro-bubble scrubbing tray 2-2 is further provided between the absorption inlet 2-6 and the absorption outlet 2-3, and an absorption liquid distributor 2-1 is provided at the top of the absorption module.

[0008] The upper portion of the first side wall of the connection module is provided with a connection inlet, which is connected to the absorption outlet. The lower portion of the second side wall opposite to the first side wall of the connection module is provided with a connection outlet 2-7.

[0009] The absorption modules 2 and the connection modules 3 are sequentially arranged in the direction of gas flow as the first absorption module, the first connection module, the second absorption module, ... the N-1th connection module, the Nth absorption module, where N is an integer greater than or equal to 2.

[0010] The absorption inlet of the Nth absorption module is connected to the connection outlet of the N-1th connection module, and the connection inlet of the N-1th connection module is connected to the absorption outlet of the N-1th absorption module.

[0011] Furthermore, N is an integer from 2 to 10.

[0012] Furthermore, the box-type integrated gas absorption system also includes an air intake module 1 and an air outlet module 4, the air intake module contains a gas inlet 1-1 and an air intake module outlet, and the air intake module outlet is connected to the absorption inlet of the first absorption module; the air outlet module contains a gas outlet 4-2 and an air outlet module inlet, and the air outlet module inlet is connected to the absorption outlet of the Nth absorption module.

[0013] Furthermore, the gas inlet 1-1 is higher than the outlet of the air intake module. An arc-shaped air intake guide plate 1-2 is provided above the gas inlet 1-1 within the air intake module, with the center of the arc on the same side as the gas inlet 1-1. In other words, the air intake guide plate directs the incoming air toward the outlet of the air intake module, thereby rationally distributing the gas into the absorption block and reducing the pressure drop of the gas flow.

[0014] Furthermore, an arc-shaped air outlet guide plate 4-1 is provided on the top of the air outlet module, and the center of the arc is on the same side as the inlet of the air outlet module, that is, the air outlet guide plate guides the direction of the air outlet toward the gas outlet.

[0015] Furthermore, the intake module has the same length and height as the absorption module, and a width of 200-1000 mm.

[0016] Furthermore, the exhaust module has the same length and height as the absorption module, and a width of 200-1000 mm.

[0017] Furthermore, the absorption module 2 has a height of 2000-6000 mm, a length of 800-2000 mm, and a width of 800-2000 mm.

[0018] Furthermore, the distance between the absorption liquid distributor 2-1 and the top of the absorption module is 5-20% of the height of the absorption module.

[0019] Furthermore, the microbubble scrubbing tower plates have 2 to 6 layers, the diameter of the sieve holes on the microbubble scrubbing tower plates is 0.1 to 1 mm, and the opening rate is 60 to 95%.

[0020] Furthermore, a micro downcomer 7 is provided in the middle of the sieve hole, the longitudinal section of the micro downcomer 7 is T-shaped, the height of the micro downcomer 7 is 20~100 mm, the height of the transverse part of the T-shape is 20~40% of the height of the downcomer 7, the cross-sectional diameter r1 of the top inlet of the micro downcomer 7 is 24~50 mm, and the cross-sectional diameter r2 of the bottom outlet of the micro downcomer 7 is 2~4 mm.

[0021] Furthermore, a microbubble breaker 6 is provided at the sieve aperture. The microbubble breaker 6 is cylindrical and open at both ends. One end of the microbubble breaker 6 is connected to the periphery of the sieve aperture, while the other end is sealed by the T-shaped transverse portion of the micro-downcomer. The sidewalls of the microbubble breaker are formed from a porous wire mesh or a porous plate. Gas enters the liquid layer on the lower tray through the microbubble breaker, where it mixes and transfers with the liquid, then enters the previous mass transfer zone.

[0022] Furthermore, the pore size of the porous screen or the porous plate is 5-200 μm.

[0023] Furthermore, the height h of the microbubble breaker is 4-16 mm.

[0024] Furthermore, in the absorption module, a high-efficiency packing section 2-5 is provided between the absorption inlet 2-6 and the microbubble scrubbing tower plate 2-2. The high-efficiency packing section 2-5 is attached to the inner wall of the absorption module and is filled with gas pollution absorption packing.

[0025] Furthermore, the height of the high-efficiency filler section 2 - 5 is 30-80% of the height of the absorption module 2 .

[0026] Furthermore, the diameter of the absorption inlet 2-6 is 100~1000mm.

[0027] Furthermore, in the connection module 3, two opposing gas-liquid guide plates 2-4 are provided between the connection inlet and the connection outlet. The gas-liquid guide plates 2-4 are three-fold plates, with the first fold at the top and the third fold at the bottom of the gas-liquid guide plates 2-4 fixedly connected to the connection module 3. The second fold in the middle of the two gas-liquid guide plates 2-4 is relatively vertically disposed within the connection module 3. An absorption liquid distributor 2-1 is also provided at the top of the gas-liquid channel. The gas-liquid guide plates can utilize the downward jet flow of liquid to drive the gas downward, thereby reducing the pressure loss of the gas within the absorption tower; they can effectively guide the gas and liquid from narrow gaps to a wider contact area, and through the designed structure and surface characteristics, they can further disperse the boundary between the gas and liquid, allowing them to contact and mix more fully; they can also provide a larger gas-liquid contact interface, helping to improve the reaction efficiency between the gas and liquid, thereby achieving a more efficient purification process; and they can effectively and evenly distribute the gas and liquid, preventing excessive aggregation and uneven mixing, thereby improving stability during the purification process.

[0028] Furthermore, the angle α between the first fold and the second fold of the gas-liquid guide plate 2-4 is 100-150°, the length L1 of the second fold of the gas-liquid guide plate is 100-1000 mm, and the length L2 of the first fold or the third fold is 1000-4000 mm.

[0029] Furthermore, the diameter of the absorption outlet is 100-300 mm.

[0030] Furthermore, the connection module 3 has the same length and height as the absorption module 2 , and the width of the connection module 3 is 200-1000 mm.

[0031] Furthermore, the absorption module 2 and the connection module 3 are connected by flanges or welding to ensure sealing.

[0032] Furthermore, the air inlet module 1 and the absorption module 2, as well as the air outlet module 4 and the absorption module 2 are connected by flanges or welding.

[0033] Furthermore, the absorption module 2 and the connection module 3 share a side wall. That is, the absorption outlet and the connection inlet at the connection are the same flow port, or the connection outlet and the absorption inlet are the same flow port.

[0034] Furthermore, the air inlet module 1 shares a side wall with the absorption module 2, and the air outlet module 4 shares a side wall with the absorption module 2. That is, the outlet of the air inlet module is the inlet of the absorption module, and the inlet of the air outlet module is the outlet of the absorption module.

[0035] Furthermore, the box-type integrated gas absorption system also includes a liquid circulation pipeline 5, the inlet of the liquid circulation pipeline is connected to the liquid outlet 2-8, and the outlet of the liquid circulation pipeline is connected to the absorption liquid distributor 2-1.

[0036] Furthermore, the diameter of the liquid circulation pipe 5 is 100-400 mm.

[0037] Furthermore, the operating pressure of the gas is 0.5 to 3 bar, and the temperature is 5 to 100°C.

[0038] The operation process is as follows: the gas enters the absorption module from the absorption inlet, passes through the high-efficiency packing section and the micro-bubble washing tower plate from bottom to top and enters the liquid layer on the tower plate, is broken by the micro-bubble breaker at the sieve hole, and after mixing and mass transfer, enters the connecting module from the gas outlet of the absorption module, and from top to bottom, enters the next-level absorption module. After passing through the multi-stage absorption module, it is discharged through the gas outlet 4-2 of the gas outlet module.

[0039] The beneficial effects of the present invention are:

[0040] 1. The present invention adopts a multi-stage absorption unit, which is simple to install, low in cost and easy to disassemble.

[0041] 2. The absorption module of the present invention can be flexibly assembled and disassembled, solving the problem of difficult maintenance and facilitating disassembly and cleaning.

[0042] 3. This invention allows the number of absorption modules to be determined based on the application scenario, forming a step-by-step absorption model, improving absorption efficiency and stability. It can also handle larger-scale gas processing needs while maintaining stable operation.

[0043] 4. The combination of gas-liquid guide plates and absorption liquid distributors in the connecting module enables uniform mixing of gas and liquid at atmospheric pressure. The microbubble scrubber trays and T-shaped downcomers within the absorption module significantly increase the gas-liquid contact area, thereby improving mass transfer and treatment efficiency.

[0044] 5. The liquid circulation pipeline replaces the traditional water storage tank, which not only saves energy but also achieves efficient water operation.

[0045] In summary, the gas absorption system of the present invention has the advantages of simple structure, easy installation and maintenance, high efficiency, low energy consumption, high processing capacity, and stable operation. It is suitable for various fields such as industrial production and environmental protection, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] FIG1 is a schematic structural diagram of the present invention.

[0047] FIG2 is a schematic diagram of the gas flow direction when the present invention is used, wherein the arrows represent the gas flow direction.

[0048] FIG3 is a schematic diagram of the liquid flow direction when the present invention is used, wherein the arrow represents the liquid flow direction.

[0049] Among them, 1 is the air intake module, 1-1 is the gas inlet, 1-2 is the air intake guide plate, 2 is the absorption module, 3 is the connecting module, 2-1 is the absorption liquid distributor, 2-2 is the micro-bubble washing tower plate, 2-3 is the absorption outlet, 2-4 is the gas-liquid guide plate, 2-5 is the high-efficiency packing section, 2-6 is the absorption inlet, 2-7 is the connecting outlet, 2-8 is the liquid outlet, 4 is the air outlet module, 4-1 is the air outlet guide plate, 4-2 is the gas outlet, 5 is the liquid circulation pipeline, 6 is the micro-bubble breaker, and 7 is the micro-downcomer. Implementation Method

[0050] A box-type integrated gas absorption system includes N absorption modules 2 and N-1 connection modules 3.

[0051] The connecting module 3 is provided between the two absorption modules 2. Both the absorption module and the connecting module are in the shape of square cylinders with closed tops and bottoms. The bottom of the absorption module 2 is provided with a liquid outlet 2-8.

[0052] An absorption inlet 2-6 is provided at the lower portion of the first side wall of the absorption module 2, an absorption outlet 2-3 is provided at the upper portion of the second side wall opposite to the first side wall of the absorption module, a micro-bubble scrubbing tray 2-2 is further provided between the absorption inlet 2-6 and the absorption outlet 2-3, and an absorption liquid distributor 2-1 is provided at the top of the absorption module.

[0053] The upper portion of the first side wall of the connection module is provided with a connection inlet, which is connected to the absorption outlet. The lower portion of the second side wall opposite to the first side wall of the connection module is provided with a connection outlet 2-7.

[0054] The absorption modules 2 and the connection modules 3 are sequentially arranged in the direction of gas flow as the first absorption module, the first connection module, the second absorption module, ... the N-1th connection module, the Nth absorption module, where N is an integer greater than or equal to 2.

[0055] The absorption inlet of the Nth absorption module is connected to the connection outlet of the N-1th connection module, and the connection inlet of the N-1th connection module is connected to the absorption outlet of the N-1th absorption module.

[0056] Furthermore, N is an integer from 2 to 10.

[0057] Furthermore, the box-type integrated gas absorption system also includes an air intake module 1 and an air outlet module 4, the air intake module contains a gas inlet 1-1 and an air intake module outlet, and the air intake module outlet is connected to the absorption inlet of the first absorption module; the air outlet module contains a gas outlet 4-2 and an air outlet module inlet, and the air outlet module inlet is connected to the absorption outlet of the Nth absorption module.

[0058] Furthermore, the gas inlet 1-1 is higher than the outlet of the air intake module. An arc-shaped air intake guide plate 1-2 is provided above the gas inlet 1-1 within the air intake module, with the center of the arc on the same side as the gas inlet 1-1. In other words, the air intake guide plate directs the incoming air toward the outlet of the air intake module, thereby rationally distributing the gas into the absorption block and reducing the pressure drop of the gas flow.

[0059] Furthermore, an arc-shaped air outlet guide plate 4-1 is provided on the top of the air outlet module, and the center of the arc is on the same side as the inlet of the air outlet module, that is, the air outlet guide plate guides the direction of the air outlet toward the gas outlet.

[0060] Furthermore, the intake module has the same length and height as the absorption module, and a width of 200-1000 mm.

[0061] Furthermore, the exhaust module has the same length and height as the absorption module, and a width of 200-1000 mm.

[0062] Furthermore, the absorption module 2 has a height of 2000-6000 mm, a length of 800-2000 mm, and a width of 800-2000 mm.

[0063] Furthermore, the distance between the absorption liquid distributor 2-1 and the top of the absorption module is 5-20% of the height of the absorption module.

[0064] Furthermore, the microbubble scrubbing tower plates have 2 to 6 layers, the diameter of the sieve holes on the microbubble scrubbing tower plates is 6 to 8 mm, and the opening rate is 60 to 95%.

[0065] Furthermore, a micro downcomer 7 is provided in the middle of the sieve hole, the longitudinal section of the micro downcomer 7 is T-shaped, the height of the micro downcomer 7 is 20~100 mm, the height of the transverse part of the T-shape is 20~40% of the height of the downcomer 7, the cross-sectional diameter r1 of the top inlet of the micro downcomer 7 is 24~50 mm, and the cross-sectional diameter r2 of the bottom outlet of the micro downcomer 7 is 2~4 mm.

[0066] Furthermore, a microbubble breaker 6 is provided at the sieve aperture. The microbubble breaker 6 is cylindrical and open at both ends. One end of the microbubble breaker 6 is connected to the periphery of the sieve aperture, while the other end is sealed by the T-shaped transverse portion of the micro-downcomer. The sidewalls of the microbubble breaker are formed from a porous wire mesh or a porous plate. Gas enters the liquid layer on the lower tray through the microbubble breaker, where it mixes and transfers with the liquid, then enters the previous mass transfer zone.

[0067] Furthermore, the pore size of the porous screen or the porous plate is 5-200 μm.

[0068] Furthermore, the height h of the microbubble breaker is 4-16 mm.

[0069] Furthermore, in the absorption module, a high-efficiency packing section 2-5 is provided between the absorption inlet 2-6 and the microbubble scrubbing tower plate 2-2. The high-efficiency packing section 2-5 is attached to the inner wall of the absorption module and is filled with gas pollution absorption packing.

[0070] Furthermore, the height of the high-efficiency filler section 2 - 5 is 30-80% of the height of the absorption module 2 .

[0071] Furthermore, the diameter of the absorption inlet 2-6 is 100~1000mm.

[0072] Furthermore, in the connecting module 3, two opposite gas-liquid guide plates 2-4 are provided between the connecting inlet and the connecting outlet, and the gas-liquid guide plates 2-4 are three-fold plates. The first fold of the upper part and the third fold of the lower part of the gas-liquid guide plates 2-4 are fixedly connected to the connecting module 3, and the second fold in the middle part of the two gas-liquid guide plates 2-4 are relatively vertically arranged in the connecting module 3. An absorption liquid distributor 2-1 is also provided at the top of the gas-liquid channel.

[0073] Furthermore, the angle α between the first fold and the second fold of the gas-liquid guide plate 2-4 is 100-150°, the length L1 of the second fold of the gas-liquid guide plate is 100-1000 mm, and the length L2 of the first fold or the third fold is 1000-4000 mm.

[0074] Furthermore, the diameter of the absorption outlet is 100-300 mm.

[0075] Furthermore, the length and height of the connecting module 3 are the same as those of the absorbing module 2 , and the width of the connecting module 3 is 200-1000 mm.

[0076] Furthermore, the absorption module 2 and the connection module 3 are connected by flanges or welding to ensure sealing.

[0077] Furthermore, the air inlet module 1 and the absorption module 2, as well as the air outlet module 4 and the absorption module 2 are connected by flanges or welding.

[0078] Furthermore, the absorption module 2 and the connection module 3 share a side wall. That is, the absorption outlet and the connection inlet at the connection are the same flow port, or the connection outlet and the absorption inlet are the same flow port.

[0079] Furthermore, the air inlet module 1 shares a side wall with the absorption module 2, and the air outlet module 4 shares a side wall with the absorption module 2. That is, the outlet of the air inlet module is the inlet of the absorption module, and the inlet of the air outlet module is the outlet of the absorption module.

[0080] Furthermore, the box-type integrated gas absorption system also includes a liquid circulation pipeline 5, the inlet of the liquid circulation pipeline is connected to the liquid outlet 2-8, and the outlet of the liquid circulation pipeline is connected to the absorption liquid distributor 2-1.

[0081] Furthermore, the diameter of the liquid circulation pipe 5 is 100-400 mm.

[0082] The present invention will be described in further detail below with reference to FIG1 and specific embodiments: Example

[0083] As shown in Figure 1-3, the above system is used to treat the tail gas from the pharmaceutical workshop, with a gas volume of 10,000 Nm 3 / h, with an ethanol content of 5000 ppm. The absorption module is 5000 mm tall, with a length and width of 1200 mm. The absorption liquid distributor is 500 mm from the top. The microbubble scrubber trays are arranged in four layers, with a total height of 700 mm. The sieve holes on the trays have a diameter of 8 mm and an open area ratio of 80%. The micro-downcomer has a total height of 80 mm, r1 of 30 mm, a height of 20 mm, and r2 of 4 mm. The gas-liquid guide plates L1 are 800 mm and L2 are 2200 mm, with an angle α of 140°. The high-efficiency packing section is 1500 mm tall, and the absorption outlet has a diameter of 200 mm. This design utilizes three absorption modules, connected in the middle by a connecting module with a flange, and the connecting module is 300 mm wide. The inlet and outlet modules are 1000 mm wide, with a gas inlet diameter of 600 mm and a gas outlet diameter of 600 mm. The absorption liquid is water, the diameter of the liquid circulation pipeline is 300mm, and the water inlet of each absorption module is 4m 3 / h.

[0084] Ethanol-containing waste gas enters from the gas inlet 1-1, is treated by three-stage absorption, and is discharged from the gas outlet. The ethanol content in the tail gas is less than 30ppm.

[0085] In short, the above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A box-type integrated gas absorption system, characterized in that: It includes N absorption modules (2) and N-1 connection modules (3), The connecting module (3) is arranged between the two absorption modules (2); the absorption module and the connecting module are both in the shape of a square cylinder with closed tops and bottoms; the bottom of the absorption module (2) is provided with a liquid outlet (2-8). An absorption inlet (2-6) is provided at the lower portion of the first side wall of the absorption module (2); an absorption outlet (2-3) is provided at the upper portion of the second side wall opposite to the first side wall of the absorption module; a micro-bubble scrubbing tower plate (2-2) is further provided between the absorption inlet (2-6) and the absorption outlet (2-3); and an absorption liquid distributor (2-1) is provided at the top of the absorption module. The upper portion of the first side wall of the connection module is provided with a connection inlet, the connection inlet is connected to the absorption outlet, and the lower portion of the second side wall opposite to the first side wall of the connection module is provided with a connection outlet (2-7). The absorption modules (2) and the connection modules (3) are, in order of the gas flow direction, a first absorption module, a first connection module, a second absorption module, ... an N-1th connection module, an Nth absorption module, where N is an integer greater than or equal to 2. The absorption inlet of the Nth absorption module is connected to the connection outlet of the N-1th connection module, and the connection inlet of the N-1th connection module is connected to the absorption outlet of the N-1th absorption module.

2. The box-type integrated gas absorption system according to claim 1, characterized in that: The box-type integrated gas absorption system further comprises an air intake module (1) and an air outlet module (4), wherein the air intake module (1) comprises a gas inlet (1-1) and an air intake module outlet, wherein the air intake module outlet is connected to the absorption inlet of the first absorption module; and the air outlet module (4) comprises a gas outlet (4-2) and an air outlet module inlet, wherein the air outlet module inlet is connected to the absorption outlet of the Nth absorption module.

3. The box-type integrated gas absorption system according to claim 2, characterized in that: The gas inlet (1-1) is higher than the outlet of the gas inlet module; an arc-shaped gas inlet guide plate (1-2) is provided above the gas inlet (1-1) in the gas inlet module (1); the center of the arc is on the same side as the gas inlet (1-1); and an arc-shaped gas outlet guide plate (4-1) is provided at the top of the gas outlet module (4); the center of the arc is on the same side as the inlet of the gas outlet module.

4. The box-type integrated gas absorption system according to claim 1, characterized in that: The distance between the absorption liquid distributor (2-1) and the top of the absorption module (2) is 5-20% of the height of the absorption module (2).

5. The box-type integrated gas absorption system according to claim 1, characterized in that: The microbubble scrubbing tower plate (2-2) has 2 to 6 layers, the diameter of the sieve holes on the microbubble scrubbing tower plate is 0.1 to 1 mm, and the opening rate is 60 to 95%.

6. The box-type integrated gas absorption system according to claim 5, characterized in that: A micro-downcomer (7) is arranged in the middle of the sieve hole, the longitudinal section of the micro-downcomer (7) is T-shaped, the height of the micro-downcomer (7) is 20-100 mm, the height of the transverse part of the T-shape is 20-40% of the height of the downcomer (7), the cross-sectional diameter r1 of the top inlet of the micro-downcomer (7) is 24-50 mm, and the cross-sectional diameter r2 of the bottom outlet of the micro-downcomer (7) is 2-4 mm.

7. The box-type integrated gas absorption system according to claim 6, characterized in that: A microbubble breaker (6) is also provided at the sieve hole. The microbubble breaker (6) is cylindrical with two ends open. One end of the microbubble breaker (6) is connected to the periphery of the sieve hole, and the other end is closed by the T-shaped horizontal portion of the micro-downcomer (7). The side wall of the microbubble breaker (6) is a porous wire mesh or a porous plate.

8. The box-type integrated gas absorption system according to claim 1, characterized in that: In the absorption module, a high-efficiency packing section (2-5) is further provided between the absorption inlet (2-6) and the micro-bubble scrubbing tower plate (2-2); the high-efficiency packing section (2-5) is in contact with the inner wall of the absorption module, and the high-efficiency packing section (2-5) is filled with gas pollution absorption packing; preferably, the height of the high-efficiency packing section (2-5) is 30 to 80% of the height of the absorption module (2).

9. The box-type integrated gas absorption system according to claim 1, characterized in that: In the connection module (3), two opposite gas-liquid guide plates (2-4) are further arranged between the connection inlet and the connection outlet, the gas-liquid guide plate (2-4) being a three-fold plate, the first fold at the top and the third fold at the bottom of the gas-liquid guide plate (2-4) being fixedly connected to the connection module (3), the second fold in the middle of the two gas-liquid guide plates (2-4) being relatively vertically arranged in the connection module (3), and an absorption liquid distributor (2-1) being further arranged at the top of the gas-liquid channel; preferably, the angle α between the first fold and the second fold of the gas-liquid guide plate (2-4) is 100-150°, the length L1 of the second fold of the gas-liquid guide plate is 100-1000 mm, and the length L2 of the first fold or the third fold is 1000-4000 mm.

10. The box-type integrated gas absorption system according to claim 1, characterized in that: The box-type integrated gas absorption system also includes a liquid circulation pipeline (5), the inlet of the liquid circulation pipeline is connected to the liquid outlet (2-8), and the outlet of the liquid circulation pipeline is connected to the absorption liquid distributor (2-1).

Images