Gas-liquid distribution device of graphite falling film absorption tower

Abstract

The utility model belongs to the technical field of gas-liquid distribution devices, and particularly relates to a graphite falling film absorption tower gas-liquid distribution device which comprises a barrel body, graphite packing, a hollow shaft, a plurality of dispersion pipes, a support ring, a plurality of lower pipes, a spraying assembly, a driving assembly, a cleaning assembly, a stirring assembly, a conical hopper and a water injection pipe, an air outlet pipe and an air inlet pipe are fixedly installed at the top and the bottom of the barrel respectively, the conical hopper is fixedly installed on the inner side wall of the barrel, the graphite filler is arranged below the conical hopper in the barrel, the hollow shaft is rotatably installed on the conical hopper, a plurality of discharging pipes matched with the conical hopper are fixedly installed on the barrel, and the discharging pipes are fixedly installed on the barrel. And the plurality of dispersion pipes are radially and fixedly mounted on the hollow shaft respectively and are communicated with the hollow shaft. The inner wall cleaning device is reasonable in design, the gas-liquid contact area and efficiency can be effectively improved, meanwhile, liquid backflow can be prevented, and efficient cleaning operation can be conducted on the inner wall.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas -liquid distribution device technical field especially relates to a graphite falling film absorption tower gas -liquid distribution device. BACKGROUND

[0002] In many industries such as chemical industry, gas-liquid mixing reaction is a common production process, and the traditional gas-liquid distribution device often has problems such as small gas-liquid contact area and low mixing efficiency.For example, some simple structure absorption tower, gas and liquid only rely on natural flow or simple spray, flow contact, it is difficult to make gas evenly distributed in the reaction space, liquid also can not fully mix with gas, which leads to insufficient reaction, reduces production efficiency, increases production cost, and may cause waste of resources and increase of pollutant emission.

[0003] Moreover, if the liquid flows back into the air inlet channel during gas-liquid contact, it will affect the normal operation of the device, and even damage the equipment, in addition, the traditional device also lacks effective design in terms of cleaning and liquid level monitoring inside the reaction device, and cannot meet the requirements of long-term stable operation and precise operation control.

[0004] Therefore, the utility model provides a graphite falling film absorption tower gas-liquid distribution device to solve the above problems.

[0005] The information disclosed in this background section is intended only to increase an understanding of the general background of the present utility model and should not be construed as admitting that the information constitutes prior art that is already known to those of ordinary skill in the art. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcoming mentioned in the above background, and provides a graphite falling film absorption tower gas-liquid distribution device.

[0007] The above technical purpose of the utility model is realized by the following technical scheme: a graphite falling film absorption tower gas-liquid distribution device, comprising a cylinder, graphite filler, hollow shaft, a plurality of dispersion pipes, support ring, a plurality of lower pipes, spray assembly, driving assembly, cleaning assembly, stirring assembly, conical hopper and water injection pipe.

[0008] The top and bottom of the barrel are respectively fixedly installed with an air outlet pipe and an air inlet pipe, the conical hopper is fixedly installed on the inner side wall of the barrel, the graphite filler is arranged below the conical hopper in the barrel, the hollow shaft is rotatably installed on the conical hopper, a plurality of discharge pipes matched with the conical hopper are fixedly installed on the barrel, a plurality of dispersion pipes are radially fixedly installed on the hollow shaft and are in communication with the hollow shaft, the support ring is rotatably installed on the hollow shaft, a plurality of lower pipes are radially fixedly installed on the support ring, a plurality of upwardly arranged branch pipes are fixedly installed on each of the plurality of lower pipes, the cleaning assembly is arranged on the plurality of lower pipes and is in contact with the inner side wall of the barrel and the top side of the conical hopper, the spraying assembly and the stirring assembly are arranged on the cleaning assembly, the water injection pipe is fixedly installed on the inner wall of the top of the barrel and is connected with the spraying assembly, and the driving assembly is arranged on the top of the barrel and is connected with the spraying assembly.

[0009] Preferably, the cleaning assembly comprises a plurality of hollow scrapers and a plurality of scraping strips, the end of each of the plurality of lower pipes away from the support ring is fixedly installed with a hollow scraper and is in communication with the hollow scraper, the bottom end of each of the plurality of hollow scrapers is fixedly installed with a scraping strip, and the plurality of hollow scrapers and the scraping strips are respectively in contact with the inner side wall of the barrel and the top side of the conical hopper.

[0010] Preferably, the spraying assembly comprises a plurality of upper pipes and a vertical pipe, the top of one side of each of the plurality of hollow scrapers is fixedly installed with an upper pipe, the plurality of upper pipes are respectively in communication with the corresponding hollow scrapers, the end of the plurality of upper pipes close to each other is fixedly installed with the same vertical pipe, the bottom end of the water injection pipe is sealingly rotatably installed in the vertical pipe, and a plurality of downwardly arranged nozzles are fixedly installed on each of the plurality of upper pipes.

[0011] Preferably, the driving assembly comprises a motor, a gear and a toothed disc, the top of the barrel is fixedly installed with the motor, the output shaft of the motor extends into the barrel and is fixedly sleeved with the gear, the same toothed disc is fixedly installed on the plurality of upper pipes, and the gear is engaged with the toothed disc.

[0012] Preferably, the stirring assembly comprises a plurality of stirring rods, and the side of each of the plurality of hollow scrapers close to each other is fixedly installed with a plurality of stirring rods.

[0013] Preferably, a plurality of horizontally arranged injection pipes are fixedly installed on the dispersion pipe.

[0014] Preferably, the plurality of dispersion pipes are located in two mutually parallel planes, and the plurality of dispersion pipes are respectively arranged in a staggered manner with the corresponding stirring rods and lower pipes.

[0015] Preferably, a one-way valve is fixedly installed on the hollow shaft.

[0016] Preferably, a protective cover is fixedly installed at the central position of the top of the conical hopper, the protective cover is sealingly rotatably connected with the hollow shaft, and the one-way valve is located in the protective cover.

[0017] Preferably, the barrel is provided with a transparent observation window.

[0018] The beneficial effects of the present application are:

[0019] The spraying assembly can sprinkle liquid in the barrel by spraying, and the multiple lower pipes and multiple branch pipes can spray liquid upward, the cleaning assembly can scrape and clean the inner side wall of the barrel and the top side of the conical hopper, the hollow scraper of the cleaning assembly can guide liquid at the position of the spraying assembly to the multiple lower pipes, the driving assembly can control the dispersion assembly, the cleaning assembly and the multiple lower pipes to rotate around the axis of the barrel, and the stirring assembly can stir, thereby greatly improving the area and efficiency of gas-liquid contact.

[0020] The horizontal jet pipe of the dispersion pipe can uniformly distribute gas and rotate the hollow shaft, thereby further improving the mixing and stirring efficiency, and the one-way valve of the hollow shaft can prevent liquid from flowing backward into the hollow shaft, thereby ensuring normal operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 A three-dimensional structure schematic diagram of a graphite falling film absorption tower gas-liquid distribution device is provided.

[0023] Figure 2 A partial cross-sectional structure schematic diagram is provided. Figure 1

[0024] Figure 3 A structure schematic diagram of a hollow shaft, a dispersion pipe, a jet pipe and a one-way valve part is provided.

[0025] Figure 4 A partial three-dimensional structure schematic diagram is provided.

[0026] ​In the figure: 1, cylinder; 11, air inlet pipe; 12, air outlet pipe; 13, graphite filler; 14, conical hopper; 15, discharge pipe; 2, hollow shaft; 201, check valve; 202, protective cover; 21, dispersion pipe; 3, support ring; 31, lower pipe; 32, hollow scraper; 321, stirring rod; 33, upper pipe; 34, water injection pipe; 35, scraping strip; 4, motor; 41, gear; 42, toothed disc. DETAILED DESCRIPTION

[0027] The technical scheme of the present application will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] REFERENCE Figures 1-4 A graphite falling film absorption tower gas-liquid distribution device, comprising a cylinder 1, graphite filler 13, hollow shaft 2, multiple dispersion pipes 21, support ring 3, multiple lower pipes 31, conical hopper 14 and water injection pipe 34, the top and bottom of the cylinder 1 are respectively fixedly installed with air outlet pipe 12 and air inlet pipe 11, the conical hopper 14 is fixedly installed on the inner side wall of the cylinder 1, the graphite filler 13 is arranged below the conical hopper 14 in the cylinder 1, the hollow shaft 2 is rotatably installed on the conical hopper 14, multiple discharge pipes 15 adapted to the conical hopper 14 are fixedly installed on the cylinder 1, multiple dispersion pipes 21 are respectively fixedly installed on the hollow shaft 2 in a radial direction and keep a communicating state with the hollow shaft 2, wherein, in order to realize the effect of autorotation when the gas is injected into the cylinder 1 through the hollow shaft 2, multiple horizontally arranged injection pipes are fixedly installed on the dispersion pipe 21, the support ring 3 is rotatably installed on the hollow shaft 2, multiple lower pipes 31 are fixedly installed on the support ring 3 in a radial direction, and multiple upwardly arranged branch pipes are fixedly installed on the multiple lower pipes 31, which can discharge the liquid entering the lower pipes 31 by upward injection, thereby achieving the effect of flow disturbance;

[0029] The ends of the multiple lower pipes 31 away from the support ring 3 are fixedly installed with hollow scrapers 32 in a radial direction and keep a communicating state with the hollow scrapers 32, the bottom ends of the multiple hollow scrapers 32 are fixedly installed with scraping strips 35, the multiple hollow scrapers 32 and scraping strips 35 respectively contact the inner side wall of the cylinder 1 and the top side of the conical hopper 14, which can control the cleaning operation of the hollow scrapers 32 and scraping strips 35 on the inner side wall of the cylinder 1 and the top side of the conical hopper 14 respectively when the support ring 3 rotates;

[0030] The water injection pipe 34 is fixedly installed on the inner wall of the top of the cylinder body 1, a plurality of upper pipes 33 are fixedly installed on the top of the side of the hollow scraper 32 close to each other, the plurality of upper pipes 33 are communicated with the corresponding hollow scraper 32 respectively, a vertical pipe is fixedly installed on the end of the plurality of upper pipes 33 close to each other in the radial direction, the bottom end of the water injection pipe 34 is sealingly and rotatably installed in the vertical pipe, a plurality of nozzles are fixedly installed on the plurality of upper pipes 33 and arranged downward, the liquid injected through the water injection pipe 34 can be sprayed to fall in the gas in the cylinder body 1, so that the contact area of the liquid and the gas can be increased, a plurality of stirring rods 321 are fixedly installed on the side of the hollow scraper 32 close to each other, the stirring operation for the liquid in the cylinder body 1 can be provided when the hollow scraper 32 rotates based on the axis of the cylinder body 1 as the center, the motor 4 is fixedly installed on the top of the cylinder body 1, the output shaft of the motor 4 extends into the cylinder body 1 and is fixedly sleeved with the gear 41, the same gear disc 42 is fixedly installed on the plurality of upper pipes 33, the gear 41 is engaged with the gear disc 42, and the plurality of upper pipes 33, the plurality of lower pipes 31, the plurality of hollow scrapers 32 and the plurality of scraper strips 35 can be controlled to rotate based on the axis of the cylinder body 1 as the center.

[0031] In the embodiment, in order to make the gas better dispersed in the cylinder body 1, and at the same time realize more efficient mixing and stirring effect, the plurality of dispersion pipes 21 are located in two mutually parallel planes, and the plurality of dispersion pipes 21 are arranged in a staggered manner with the corresponding stirring rods 321 and the lower pipes 31.

[0032] In the embodiment, in order to avoid that the liquid in the cylinder body 1 flows reversely into the hollow shaft 2 through the injection pipe and the dispersion pipe 21, the one-way valve 201 is fixedly installed on the hollow shaft 2, and in order to provide shielding protection for the one-way valve 201, the protective cover 202 is fixedly installed at the central position of the top of the conical hopper 14, the protective cover 202 is sealingly and rotatably connected with the hollow shaft 2, and the one-way valve 201 is located in the protective cover 202.

[0033] In the embodiment, in order to facilitate understanding of the liquid level height in the cylinder body 1, the transparent observation window is arranged on the cylinder body 1.

[0034] The existing technology is adopted for the circuits, electronic components and module mechanisms involved, and the skilled person in the art can realize it without further description, and the content protected by the application does not involve the improvement of software, circuits and methods.

[0035] Working principle: in use, first, connect the power supply and the gas to be treated is transported into the cylinder body 1 through the inlet pipe 11, after the graphite filler 13, into the hollow tube through the conical hopper 14, then into a plurality of dispersion pipes 21 and is sprayed through a plurality of jet pipes, because the jet pipe is horizontally arranged, so that the gas can control the dispersion pipe 21 driven hollow shaft 2 to realize the effect of rotation and ensure the uniform dispersion of the gas in the cylinder body 1, start the motor 4 at the same time, inject the required liquid into the vertical pipe through the water injection pipe 34, the motor 4 controls the plurality of upper pipes 33, the plurality of hollow scrapers 32, the plurality of lower pipes 31 and the plurality of scraping strips 35 based on the axis of the cylinder body 1 as the center of rotation through the gear 41 and the toothed disc 42, the liquid in the vertical pipe through the water injection pipe 34 enters the plurality of upper pipes 33, the plurality of hollow scrapers 32, and then enters the plurality of lower pipes 31, and is sprayed through a plurality of nozzles and a plurality of branch pipes, so as to be in full contact with the gas, at the same time, under the driving of the hollow scraper 32, the plurality of stirring rods 321 can stir the liquid in the cylinder body 1, realize the mixing of gas and liquid, and the one-way valve 201 can ensure that the liquid cannot flow into the hollow shaft 2 through the jet pipe in the opposite direction, ensuring the stable operation of the system, and the protective cover 202 provides shielding protection for the one-way valve 201, ensuring its normal work, in addition, the transparent observation window allows the operator to intuitively monitor the liquid level in the cylinder body 1, so as to properly adjust the operation process.

[0036] The graphite falling film absorption tower gas-liquid distribution device provided by the utility model is described in detail above. The principles and implementation modes of the utility model are described in this paper by applying specific examples. The above examples are only used to help understand the method and core idea of the utility model. It should be noted that for ordinary skilled persons in the technical field, without departing from the principles of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A gas-liquid distribution device for a graphite falling film absorption column, characterized by, The utility model provides a graphite filling type coal gas desulfurization device, including cylinder (1), graphite filling (13), hollow shaft (2), a plurality of dispersion pipes (21), support ring (3), a plurality of lower pipes (31), spray assembly, drive assembly, cleaning assembly, stirring assembly, conical hopper (14) and water injection pipe (34); The top and bottom of the cylinder (1) are respectively fixedly provided with an air outlet pipe (12) and an air inlet pipe (11), the conical hopper (14) is fixedly arranged on the inner side wall of the cylinder (1), the graphite filling (13) is arranged below the conical hopper (14) in the cylinder (1), the hollow shaft (2) is rotatably arranged on the conical hopper (14), a plurality of discharge pipes (15) adapted to the conical hopper (14) are fixedly arranged on the cylinder (1), a plurality of dispersion pipes (21) are radially fixedly arranged on the hollow shaft (2) and are in communication with the hollow shaft (2), the support ring (3) is rotatably arranged on the hollow shaft (2), a plurality of lower pipes (31) are radially fixedly arranged on the support ring (3), and a plurality of branch pipes upwardly arranged are fixedly arranged on the lower pipes (31), the cleaning assembly is arranged on the lower pipes (31) and is in contact with the inner side wall of the cylinder (1) and the top side of the conical hopper (14), the spray assembly and the stirring assembly are arranged on the cleaning assembly, the water injection pipe (34) is fixedly arranged on the inner top wall of the cylinder (1) and is connected with the spray assembly, and the drive assembly is arranged on the top of the cylinder (1) and is connected with the spray assembly.

2. The gas-liquid distribution device for a falling film graphite absorption tower according to claim 1, characterized in that: The cleaning assembly comprises a plurality of hollow scrapers (32) and a plurality of scraping strips (35), one end of the lower pipes (31) away from the support ring (3) is fixedly provided with the hollow scraper (32) and is in communication with the hollow scraper (32), the bottom end of the hollow scraper (32) is fixedly provided with the scraping strip (35), and the hollow scraper (32) and the scraping strip (35) are in contact with the inner side wall of the cylinder (1) and the top side of the conical hopper (14) respectively.

3. A gas-liquid distribution device for a falling film graphite absorption tower according to claim 2, characterized in that: The spray assembly comprises a plurality of upper pipes (33) and a vertical pipe, the top of one side of the hollow scraper (32) close to each other is fixedly provided with the upper pipe (33), the upper pipe (33) is in communication with the corresponding hollow scraper (32) respectively, one end of the upper pipe (33) close to each other is fixedly provided with the same vertical pipe, the bottom end of the water injection pipe (34) is sealingly rotatably arranged in the vertical pipe, and a plurality of downwardly arranged nozzles are fixedly arranged on the upper pipe (33).

4. The gas-liquid distribution device for a falling film graphite absorption tower according to claim 3, characterized in that: The drive assembly comprises a motor (4), a gear (41) and a toothed disc (42), the top of the cylinder (1) is fixedly provided with the motor (4), the output shaft of the motor (4) extends into the cylinder (1) and is fixedly provided with the gear (41), the same toothed disc (42) is fixedly arranged on the upper pipe (33), and the gear (41) is engaged with the toothed disc (42).

5. A gas-liquid distribution device for a falling film graphite absorption tower according to claim 2, characterized in that: The stirring assembly comprises a plurality of stirring rods (321), and a plurality of stirring rods (321) are fixedly arranged on one side of the hollow scraper (32) close to each other.

6. The gas-liquid distribution device for a falling film graphite absorption tower according to claim 1, characterized in that: A plurality of horizontally arranged injection pipes are fixedly arranged on the dispersion pipe (21).

7. A gas-liquid distribution device for a falling film absorption tower according to claim 5, characterized in that: The plurality of dispersion pipes (21) are located in two mutually parallel planes, and the plurality of dispersion pipes (21) are staggered with corresponding stirring rods (321) and lower pipes (31) respectively.

8. The gas-liquid distribution device for a falling film graphite absorption tower according to claim 1, characterized in that: The hollow shaft (2) is fixedly provided with a one-way valve (201).

9. The gas-liquid distribution device for a falling film graphite absorption tower according to claim 1, characterized in that: The top of the conical hopper (14) is fixedly provided with a protective cover (202) which is sealingly connected with the hollow shaft (2), and the one-way valve (201) is located in the protective cover (202).

10. The gas-liquid distribution device for a falling film graphite absorption tower according to claim 1, characterized in that: The barrel (1) is provided with a transparent observation window.

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