Industrial tail gas purification treatment device

Abstract

An industrial tail gas purification treatment device relates to the technical field of industrial tail gas purification and comprises a supporting base, a vertically arranged absorption tower body is fixedly arranged above the supporting base, and a gas inlet assembly communicated with an external industrial tail gas source is arranged at the inner bottom of the absorption tower body. A first-stage absorption assembly and a second-stage absorption assembly are sequentially arranged in the absorption tower body from bottom to top, and a liquid inlet pipe communicated with an inner cavity of the absorption tower body is fixedly arranged at the position, between the first-stage absorption assembly and the second-stage absorption assembly, of the outer wall of the absorption tower body; the top and the bottom of the absorption tower body are respectively provided with an exhaust port and a liquid discharge pipe which are communicated with the inner cavity of the absorption tower body. The industrial tail gas purification treatment device solves the problems that when an existing industrial tail gas purification treatment device treats industrial tail gas, the contact effect of the industrial tail gas and absorption liquid is poor, and the absorption effect on pollution gas in the industrial tail gas is poor. The contact time of the industrial tail gas and the absorption liquid is short, so that pollution gas in the industrial tail gas is not thoroughly absorbed.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial tail gas purification, in particular to an industrial tail gas purification treatment device. Background Art

[0002] Industrial exhaust refers to the general term for various pollutant gases released into the air during fuel combustion and production processes within an enterprise's factory area. These industrial waste gases contain dust, sulfur oxides, nitrogen oxides, and odorous gases. If discharged directly into the atmosphere without treatment, they will pollute the air. These industrial exhaust gases enter the human body through various pathways. Some of them cause direct harm, while others have a cumulative effect, posing a more serious threat to human health. Therefore, purification treatment equipment is required to purify industrial exhaust gases. When purifying industrial exhaust gases, the purification treatment equipment usually directly passes the industrial exhaust gases into the absorption liquid within the device. The absorption liquid absorbs the pollutants in the industrial exhaust gases, thereby achieving the effect of purifying the exhaust gases.

[0003] The existing industrial tail gas purification and treatment equipment has gradually exposed its shortcomings during use, mainly in the following aspects:

[0004] 1. The contact effect between industrial exhaust gas and absorption liquid is poor, resulting in poor absorption effect of pollutants in industrial exhaust gas. Specifically, industrial exhaust gas is usually directly introduced into the absorption liquid in the device through the air inlet pipe. After the industrial exhaust gas enters the absorption liquid, it forms large bubbles. The bubbles will also merge in the process of moving upward. The larger the volume of the bubbles, the worse the contact effect between the industrial exhaust gas and the absorption liquid, which in turn leads to poor absorption effect of pollutants in the industrial exhaust gas.

[0005] 2. The contact time between industrial exhaust gas and the absorption liquid is short, resulting in incomplete absorption of the pollutant gases in the industrial exhaust gas. Specifically, after the industrial exhaust gas enters the absorption liquid, bubbles are formed and flow upward. The flow trajectory of the bubbles in the absorption liquid is close to a vertical straight line, so the bubbles will quickly pass through the absorption liquid and be discharged to the outside. The contact time between the industrial exhaust gas and the absorption liquid is short, which leads to incomplete absorption of the pollutant gases in the industrial exhaust gas.

[0006] In summary, the existing technology has obvious inconveniences and defects in actual use, so it is necessary to improve it. Utility Model Content

[0007] In view of the defects in the prior art, the technical problem to be solved by the present invention is to provide an industrial tail gas purification and treatment device, which can improve the contact effect between industrial waste gas and absorption liquid, thereby improving the absorption effect of pollutants in industrial tail gas;

[0008] The device can also significantly increase the contact time between industrial waste gas and the absorption liquid, thereby fully absorbing the pollutant gases in the industrial waste gas.

[0009] In order to solve the above problems, the present invention provides the following technical solutions:

[0010] An industrial tail gas purification and treatment device comprises a support base, a vertically arranged absorption tower body fixedly provided above the support base, an air inlet assembly connected to an external industrial tail gas source provided at the inner bottom of the absorption tower body, a first-stage absorption assembly and a second-stage absorption assembly provided sequentially from bottom to top within the absorption tower body, a liquid inlet pipe connected to an inner cavity of the absorption tower body fixedly provided at a position between the first-stage absorption assembly and the second-stage absorption assembly on the outer wall of the absorption tower body, and an exhaust port and a liquid discharge pipe connected to the inner cavity of the absorption tower body provided at the top and bottom, respectively;

[0011] The air intake assembly includes a plurality of fixed cylinders uniformly distributed along the circumference of the absorption tower body, the fixed cylinders are vertically arranged and sealed at both ends, the fixed cylinders are fixedly penetrated and arranged on the inner bottom of the absorption tower body, the inner bottom of the fixed cylinder is coaxially provided with a rotating rod that is rotatable, the top of the rotating rod extends upward through the fixed cylinder to the outside, the outer wall of the rotating rod is located outside the fixed cylinder and is uniformly provided with a plurality of bubble breaking knives along the circumferential direction, the outer wall of the fixed cylinder is located inside the absorption tower body and is uniformly provided with a plurality of exhaust pipes connected to its inner cavity along the circumferential direction, and the upper outer wall of the exhaust pipe is uniformly provided with a plurality of exhaust holes connected to its inner cavity along the axial direction;

[0012] An air distribution cylinder with sealed ends is coaxially provided below the absorption tower body, and a plurality of connecting pipes connected to its inner cavity are evenly distributed on the upper outer wall of the air distribution cylinder along the circumference, and a plurality of the connecting pipes are correspondingly connected to a plurality of fixed cylinders. An air inlet pipe connected to its inner cavity is fixedly provided on the lower outer wall of the air distribution cylinder, and a one-way valve is provided on the air inlet pipe. A gas booster pump is fixedly provided on the top of the support base, and the exhaust port and air inlet of the gas booster pump are correspondingly connected to the air inlet pipe and the external industrial exhaust gas source through the ventilation pipe.

[0013] As an optimized solution, the first-stage absorption assembly includes a number of baffle plates arranged vertically and coaxially arranged with the absorption tower body, the baffle plates are fixedly connected to the inner wall of the absorption tower body, and the inner bottom of the absorption tower body is coaxially provided with a rotatable drive shaft, the top of the drive shaft passes through the number of baffle plates upward, and the drive shaft is rotatably connected to the number of baffle plates, and the top of the baffle plates is evenly distributed with a number of through holes, and the outer wall of the drive shaft above the baffle plates is fixedly sleeved with a fixed ring, and the outer wall of the fixed ring is evenly distributed with a number of fixed fan-shaped plates along the circumference, and the bottom of the fan-shaped plate is fixed with a number of bubble-breaking rods, and the bottom end of the bubble-breaking rod extends downward to a position close to the top of the baffle plate.

[0014] As an optimized solution, the secondary absorption assembly includes a driven shaft coaxially fixed to the top of the driving shaft, a rotating tube with a lower port for sealing being coaxially fixed to the top of the driven shaft, a support tube with an upper port for sealing being coaxially provided above the rotating tube, the support tube being fixedly connected to the absorption tower body through a plurality of support plates, the upper port of the rotating tube extending upward into the support tube and being rotatably sealed with the support tube, the outer wall of the rotating tube being uniformly provided with a plurality of fixed tubes connected to its inner cavity along the circumferential direction, one of the ports of the fixed tube being sealed, and the lower outer wall of the fixed tube being uniformly provided with a plurality of atomizing nozzles connected to its inner cavity along the axial direction;

[0015] A water pump is fixedly provided on the top of the support base, and the water inlet and outlet of the water pump are fixedly connected with liquid pipes. One of the ports of the liquid pipe passes through the bottom of the absorption tower body and extends to the interior, and the other port of the liquid pipe passes through the outer wall of the absorption tower body and is connected to the inner cavity of the support tube.

[0016] As an optimized solution, the inner wall of the absorption tower body is located above the support tube and is provided with a fixed demister and an activated carbon layer in sequence from bottom to top.

[0017] As an optimized solution, the outer wall of the driving shaft is provided with a plurality of stirring blades evenly distributed along the circumference at positions above and below the baffle disc, and the outer wall of the driven shaft is provided with a plurality of mixing blades evenly distributed along the circumference.

[0018] As an optimized solution, a driving motor is fixedly provided at the bottom of the fixing cylinder, and the output end of the driving motor passes through the fixing cylinder and is fixedly connected to the rotating rod.

[0019] As an optimized solution, a control motor is fixedly provided at the bottom of the absorption tower body, and the output end of the control motor passes through the absorption tower body and is fixedly connected to the drive shaft.

[0020] As an optimized solution, the absorption tower body is fixedly connected to the support base via a plurality of support rods.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. When purifying industrial exhaust gas, the industrial exhaust gas is pressurized by the gas booster pump and then enters the air distribution cylinder in one direction through the air inlet pipe and the one-way valve. The industrial exhaust gas in the air distribution cylinder enters the exhaust pipe through the connecting pipe and the fixed cylinder in turn, and is discharged from the exhaust hole to form bubbles. At the same time, the driving motor drives the rotating rod and the bubble breaking knife to rotate. The rotating bubble breaking knife can break the bubbles into small bubbles during the upward flow. The smaller the bubble volume, the better the contact effect between the industrial exhaust gas and the absorption liquid, thereby improving the contact effect between the industrial exhaust gas and the absorption liquid and improving the absorption effect of the pollutants in the industrial exhaust gas.

[0023] 2. When the bubbles flow upward, the control motor drives the drive shaft and the fixed ring to rotate, thereby driving the fan-shaped plate and the bubble-breaking rod to rotate. The rotating bubble-breaking rod can break the bubbles that pass through the through hole again, preventing the bubbles from merging to form large bubbles during the rising process, further improving the contact effect between the industrial waste gas and the absorption liquid, thereby further improving the absorption effect of the pollutant gas in the industrial exhaust gas;

[0024] 3. When the bubbles pass through the baffle plate during their upward flow, the baffle plate can slow down the flow rate of the bubbles in the absorption liquid, thereby increasing the contact time between the industrial waste gas and the absorption liquid. The rotation of the driving shaft can also drive the driven shaft to rotate, thereby driving the rotation of the rotating tube, the fixed tube and the atomizing nozzle. At the same time, the absorption liquid in the absorption tower body enters the support tube through the liquid pipe under the pumping of the water pump. The absorption liquid in the support tube passes through the rotating tube and the fixed tube in turn and is sprayed out by the atomizing nozzle. The rotating atomizing nozzle can evenly spray the atomized absorption liquid downward. The industrial exhaust discharged from the absorption liquid at the bottom of the absorption tower body flows upward and contacts the atomized absorption liquid again, further increasing the contact time between the industrial waste gas and the absorption liquid, thereby fully absorbing the pollutants in the industrial waste gas.

[0025] 4. During the rotation of the driving shaft and the driven shaft, the stirring blades and the mixing blades can be driven to rotate respectively. The rotating stirring blades can stir and mix the absorption liquid and bubbles at the bottom of the absorption tower body, and the rotating mixing blades can mix the atomized absorption liquid and the industrial exhaust gas, further improving the contact effect between the industrial exhaust gas and the absorption liquid, thereby further improving the absorption effect of the pollutant gas in the industrial exhaust gas;

[0026] 5. The demister can separate the absorption liquid carried by the gas in the absorption tower body, and the activated carbon layer can remove the odorous gas in the industrial exhaust gas, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0028] Figure 1 It is a structural diagram of the utility model;

[0029] Figure 2 This is a schematic structural diagram of the air intake assembly of the utility model;

[0030] Figure 3 This is a schematic structural diagram of the primary absorption component of the utility model;

[0031] Figure 4 This is a schematic structural diagram of the secondary absorption component of the utility model;

[0032] Figure 5 It is a schematic structural diagram of the utility model as a whole.

[0033] In the figure: 1-support base; 2-water pump; 3-absorption tower body; 4-secondary absorption assembly; 5-liquid inlet pipe; 6-primary absorption assembly; 7-air inlet assembly; 8-vent pipe; 9-liquid discharge pipe; 10-gas booster pump; 11-support rod; 12-air distribution cylinder; 13-control motor; 14-rotating rod; 15-foam breaking knife; 16-exhaust hole; 17-exhaust pipe; 18-fixed cylinder; 19-drive motor; 20 -connecting pipe; 21-inlet pipe; 22-one-way valve; 23-bubble breaking rod; 24-fan-shaped plate; 25-fixed ring; 26-mixing blade; 27-through hole; 28-blocking circular plate; 29-driving shaft; 30-liquid pipe; 31-support plate; 32-activated carbon layer; 33-demister; 34-support pipe; 35-rotating pipe; 36-fixed pipe; 37-atomizing nozzle; 38-driven shaft; 39-mixing blade. DETAILED DESCRIPTION

[0034] The following embodiments of the technical solution of the present invention are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0035] like Figures 1 to 5As shown, an industrial tail gas purification and treatment device includes a support base 1, a vertically arranged absorption tower body 3 is fixedly provided above the support base 1, an air inlet assembly 7 connected to an external industrial tail gas source is provided at the inner bottom of the absorption tower body 3, a first-stage absorption assembly 6 and a second-stage absorption assembly 4 are sequentially provided inside the absorption tower body 3 from bottom to top, a liquid inlet pipe 5 connected to the inner cavity of the absorption tower body 3 is fixedly provided at a position between the first-stage absorption assembly 6 and the second-stage absorption assembly 4 on the outer wall of the absorption tower body 3, and an exhaust port and a liquid discharge pipe 9 connected to the inner cavity are respectively provided at the top and bottom of the absorption tower body 3;

[0036] The air intake assembly 7 includes a plurality of fixed cylinders 18 uniformly distributed along the circumference of the absorption tower body 3. The fixed cylinders 18 are vertically arranged and sealed at both ends. The fixed cylinders 18 are fixedly penetrated and arranged at the inner bottom of the absorption tower body 3. The inner bottom of the fixed cylinder 18 is coaxially provided with a rotating rod 14 that is rotatable. The top of the rotating rod 14 extends upward through the fixed cylinder 18 to the outside. The outer wall of the rotating rod 14 is located outside the fixed cylinder 18 and is uniformly distributed with a plurality of bubble breaking knives 15 along the circumferential direction. The outer wall of the fixed cylinder 18 is located inside the absorption tower body 3 and is uniformly distributed with a plurality of exhaust pipes 17 connected to its inner cavity along the circumferential direction. The upper outer wall of the exhaust pipe 17 is uniformly distributed with a plurality of exhaust holes 16 connected to its inner cavity along the axial direction.

[0037] An air distribution cylinder 12 with sealed ends is coaxially provided below the absorption tower body 3. A plurality of connecting pipes 20 connected to its inner cavity are evenly distributed on the upper outer wall of the air distribution cylinder 12 along the circumferential direction. The plurality of connecting pipes 20 are correspondingly connected to the plurality of fixed cylinders 18. An air inlet pipe 21 connected to its inner cavity is fixedly provided on the lower outer wall of the air distribution cylinder 12. A one-way valve 22 is provided on the air inlet pipe 21. A gas booster pump 10 is fixedly provided on the top of the support base 1. The exhaust port and the air inlet of the gas booster pump 10 are correspondingly connected to the air inlet pipe 21 and the external industrial exhaust gas source through the vent pipe 8.

[0038] After being pressurized by the gas booster pump 10, the industrial exhaust gas enters the air distribution cylinder 12 in one direction through the air inlet pipe 21 and the one-way valve 22. The industrial exhaust gas in the air distribution cylinder 12 enters the exhaust pipe 17 through the connecting pipe 20 and the fixed cylinder 18 in turn, and is discharged from the exhaust hole 16 to form bubbles. At the same time, the rotating rod 14 drives the bubble breaking knife 15 to rotate. The rotating bubble breaking knife 15 can break the bubbles into small bubbles during the upward flow. The smaller the bubble volume, the better the contact effect between the industrial waste gas and the absorption liquid, which improves the contact effect between the industrial waste gas and the absorption liquid and improves the absorption effect of the pollutant gas in the industrial exhaust gas.

[0039] The primary absorption assembly 6 includes a plurality of baffle plates 28 arranged vertically and coaxially arranged with the absorption tower body 3. The baffle plates 28 are fixed to the inner wall of the absorption tower body 3. The inner bottom of the absorption tower body 3 is coaxially provided with a rotatable drive shaft 29. The top of the drive shaft 29 passes through the plurality of baffle plates 28 upward. The drive shaft 29 is rotatably connected to the plurality of baffle plates 28. The top of the baffle plates 28 is evenly distributed with a plurality of through holes 27 arranged therethrough. The outer wall of the drive shaft 29 is fixedly sleeved with a fixed ring 25 at a position above the baffle plates 28. The outer wall of the fixed ring 25 is evenly distributed with a plurality of fixed sector plates 24 along the circumferential direction. The bottom of the sector plate 24 is fixed with a plurality of bubble breaking rods 23. The bottom end of the bubble breaking rod 23 extends downward to a position close to the top of the baffle plate 28.

[0040] When the bubbles pass through the baffle plate 28 during their upward flow, the baffle plate 28 can slow down the flow speed of the bubbles in the absorption liquid, thereby increasing the contact time between the industrial waste gas and the absorption liquid;

[0041] The driving shaft 29 drives the fixed ring 25 to rotate, and then drives the fan-shaped plate 24 and the bubble-breaking rod 23 to rotate. The rotating bubble-breaking rod 23 can break the bubbles passing through the through hole 27 again, preventing the bubbles from forming large bubbles during the rising process, further improving the contact effect between the industrial waste gas and the absorption liquid, thereby further improving the absorption effect of the pollutant gas in the industrial exhaust gas.

[0042] The secondary absorption assembly 4 includes a driven shaft 38 coaxially fixed to the top of the drive shaft 29, a rotating tube 35 with a sealed lower end is coaxially fixed to the top of the driven shaft 38, a support tube 34 with a sealed upper end is coaxially provided above the rotating tube 35, the support tube 34 is fixedly connected to the absorption tower body 3 through a plurality of support plates 31, the upper end of the rotating tube 35 extends upward into the support tube 34 and is rotatably sealed with the support tube 34, the outer wall of the rotating tube 35 is uniformly distributed along the circumference with a plurality of fixed tubes 36 connected to its inner cavity, one of the ends of the fixed tube 36 is sealed, and the lower outer wall of the fixed tube 36 is uniformly distributed along the axial direction with a plurality of atomizing nozzles 37 connected to its inner cavity;

[0043] A water pump 2 is fixedly provided on the top of the support base 1. The water inlet and outlet of the water pump 2 are both fixedly connected with liquid pipes 30. One end of the liquid pipe 30 passes through the bottom of the absorption tower body 3 and extends to the interior. The other end of the liquid pipe 30 passes through the outer wall of the absorption tower body 3 and is connected to the inner cavity of the support pipe 34.

[0044] The driving shaft 29 drives the driven shaft 38 to rotate, and then drives the rotating tube 35, the fixed tube 36 and the atomizing nozzle 37 to rotate. At the same time, the absorption liquid in the absorption tower body 3 enters the support tube 34 through the liquid pipe 30 under the extraction of the water pump 2. The absorption liquid in the support tube 34 passes through the rotating tube 35 and the fixed tube 36 in turn and is sprayed out by the atomizing nozzle 37. The rotating atomizing nozzle 37 can evenly spray the atomized absorption liquid downward. The industrial exhaust discharged from the bottom absorption liquid in the absorption tower body 3 flows upward and contacts the atomized absorption liquid again, further increasing the contact time between the industrial waste gas and the absorption liquid, thereby fully absorbing the pollutant gas in the industrial waste gas.

[0045] The inner wall of the absorption tower body 3 is located above the support tube 34 and is provided with a fixed demister 33 and an activated carbon layer 32 in order from bottom to top;

[0046] The demister 33 can separate the absorption liquid entrained by the gas in the absorption tower body 3, and the activated carbon layer 32 can remove odorous gases in the industrial tail gas, thereby improving the practicality of the device.

[0047] The outer wall of the driving shaft 29 is provided with a plurality of stirring blades 26 evenly distributed along the circumference at positions above and below the baffle disc 28, and the outer wall of the driven shaft 38 is provided with a plurality of mixing blades 39 evenly distributed along the circumference;

[0048] During the rotation of the driving shaft 29 and the driven shaft 38, the stirring blades 26 and the mixing blades 39 can be driven to rotate respectively. The rotating stirring blades 26 can stir and mix the absorption liquid and bubbles at the bottom of the absorption tower body 3, and the rotating mixing blades 39 can mix the atomized absorption liquid and the industrial exhaust gas, thereby further improving the contact effect between the industrial waste gas and the absorption liquid, thereby further improving the absorption effect of the pollutant gas in the industrial exhaust gas.

[0049] A driving motor 19 is fixedly provided at the bottom of the fixing cylinder 18 , and an output end of the driving motor 19 passes through the fixing cylinder 18 and is fixedly connected to the rotating rod 14 .

[0050] A control motor 13 is fixedly provided at the bottom of the absorption tower body 3 , and an output end of the control motor 13 passes through the absorption tower body 3 and is fixedly connected to the drive shaft 29 .

[0051] The absorption tower body 3 is fixedly connected to the support base 1 through a plurality of support rods 11 .

[0052] The working principle of this device is:

[0053] When purifying industrial tail gas, the industrial tail gas is pressurized by the gas booster pump 10 and then enters the gas distribution cylinder 12 in one direction through the air inlet pipe 21 and the one-way valve 22. The industrial tail gas in the gas distribution cylinder 12 enters the exhaust pipe 17 through the connecting pipe 20 and the fixed cylinder 18 in turn, and is discharged from the exhaust hole 16 to form bubbles. At the same time, the driving motor 19 drives the rotating rod 14 and the bubble breaking knife 15 to rotate. During the upward flow of the bubbles, the rotating bubble breaking knife 15 can break them into small bubbles. The smaller the bubble volume, the better the contact effect between the industrial waste gas and the absorption liquid, thereby improving the contact effect between the industrial waste gas and the absorption liquid and improving the absorption effect of the pollutant gas in the industrial tail gas.

[0054] During the upward flow of the bubbles, the control motor 13 drives the drive shaft 29 and the fixed ring 25 to rotate, thereby driving the sector plate 24 and the bubble breaking rod 23 to rotate. The rotating bubble breaking rod 23 can break the bubbles passing through the through hole 27 again, preventing the bubbles from merging to form large bubbles during the upward flow, further improving the contact effect between the industrial exhaust gas and the absorption liquid, and thus further improving the absorption effect of the pollutants in the industrial exhaust gas;

[0055] When the bubbles pass through the baffle plate 28 during the upward flow, the baffle plate 28 can slow down the flow speed of the bubbles in the absorption liquid, thereby increasing the contact time between the industrial waste gas and the absorption liquid. During the rotation of the drive shaft 29, the driven shaft 38 can also be driven to rotate, thereby driving the rotating tube 35, the fixed tube 36 and the atomizing nozzle 37 to rotate. At the same time, the absorption liquid in the absorption tower body 3 enters the support tube 34 through the liquid pipe 30 under the pumping of the water pump 2. The absorption liquid in the support tube 34 passes through the rotating tube 35 and the fixed tube 36 in turn and is sprayed out by the atomizing nozzle 37. The rotating atomizing nozzle 37 can evenly spray the atomized absorption liquid downward. The industrial exhaust gas discharged from the absorption liquid at the bottom of the absorption tower body 3 flows upward and contacts the atomized absorption liquid again, further increasing the contact time between the industrial waste gas and the absorption liquid, thereby fully absorbing the pollutant gas in the industrial waste gas.

[0056] During the rotation of the driving shaft 29 and the driven shaft 38, the stirring blades 26 and the mixing blades 39 can be driven to rotate respectively. The rotating stirring blades 26 can stir and mix the absorption liquid and bubbles at the bottom of the absorption tower body 3, and the rotating mixing blades 39 can mix the atomized absorption liquid and the industrial exhaust gas, thereby further improving the contact effect between the industrial exhaust gas and the absorption liquid, thereby further improving the absorption effect of the pollutant gas in the industrial exhaust gas.

[0057] The demister 33 can separate the absorption liquid entrained by the gas in the absorption tower body 3, and the activated carbon layer 32 can remove odorous gases in the industrial tail gas, thereby improving the practicality of the device.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. An industrial tail gas purification device, characterized by: The invention comprises a support base (1), a vertically arranged absorption tower body (3) is fixedly provided above the support base (1), an air intake assembly (7) connected to an external industrial tail gas source is provided at the inner bottom of the absorption tower body (3), a first-stage absorption assembly (6) and a second-stage absorption assembly (4) are sequentially provided inside the absorption tower body (3) from bottom to top, a liquid inlet pipe (5) connected to the inner cavity of the absorption tower body (3) is fixedly provided at a position between the first-stage absorption assembly (6) and the second-stage absorption assembly (4), and the top and bottom of the absorption tower body (3) are respectively provided with an exhaust port and a liquid discharge pipe (9) connected to the inner cavity; The air inlet assembly (7) comprises a plurality of fixed cylinders (18) uniformly arranged along the circumference of the absorption tower body (3), the fixed cylinders (18) being arranged vertically and having both ends sealed, the fixed cylinders (18) being fixedly penetrated and arranged at the inner bottom of the absorption tower body (3), the inner bottom of the fixed cylinder (18) being coaxially provided with a rotating rod (14) arranged for rotation, the top end of the rotating rod (14) passing upward through the fixed cylinder (18) and extending to the outside, the outer wall of the rotating rod (14) being located outside the fixed cylinder (18) being uniformly arranged with a plurality of bubble breaking knives (15) along the circumference, the outer wall of the fixed cylinder (18) being located inside the absorption tower body (3) being uniformly arranged with a plurality of exhaust pipes (17) connected to its inner cavity along the circumference, the upper outer wall of the exhaust pipe (17) being uniformly arranged with a plurality of exhaust holes (16) connected to its inner cavity along the axial direction; An air distribution cylinder (12) with sealed ends is coaxially provided below the absorption tower body (3), and a plurality of connecting pipes (20) connected to its inner cavity are uniformly distributed along the circumference on the upper outer wall of the air distribution cylinder (12), and a plurality of the connecting pipes (20) are correspondingly connected to a plurality of fixed cylinders (18). An air inlet pipe (21) connected to its inner cavity is fixedly provided on the lower outer wall of the air distribution cylinder (12), and a one-way valve (22) is provided on the air inlet pipe (21). A gas booster pump (10) is fixedly provided on the top of the support base (1), and the exhaust port and the air inlet of the gas booster pump (10) are correspondingly connected to the air inlet pipe (21) and an external industrial exhaust gas source through a vent pipe (8).

2. The industrial tail gas purification device according to claim 1, characterized in that: The first-stage absorption assembly (6) comprises a plurality of baffle plates (28) arranged vertically and coaxially arranged with the absorption tower body (3); the baffle plates (28) are fixed to the inner wall of the absorption tower body (3); a driving shaft (29) is coaxially arranged and rotatably arranged at the inner bottom of the absorption tower body (3); the top end of the driving shaft (29) passes through the plurality of baffle plates (28) upward; the driving shaft (29) is rotatably connected to the plurality of baffle plates (28); the baffle plates ( The top of the baffle plate (28) is evenly distributed with a plurality of through holes (27) therethrough, the outer wall of the driving shaft (29) is fixedly sleeved with a fixed ring (25) at a position above the baffle plate (28), the outer wall of the fixed ring (25) is evenly distributed with a plurality of fixed sector plates (24) along the circumferential direction, the bottom of the sector plate (24) is fixedly provided with a plurality of bubble breaking rods (23), and the bottom end of the bubble breaking rod (23) extends downward to a position close to the top of the baffle plate (28).

3. The industrial tail gas purification device according to claim 2, characterized in that: The secondary absorption assembly (4) comprises a driven shaft (38) coaxially fixed to the top of the driving shaft (29); a rotating tube (35) having a lower end for sealing is coaxially fixed to the top of the driven shaft (38); a support tube (34) having an upper end for sealing is coaxially provided above the rotating tube (35); the support tube (34) is fixedly connected to the absorption tower body (3) through a plurality of support plates (31); the upper end of the rotating tube (35) extends upward into the support tube (34) and is rotatably sealed with the support tube (34); the outer wall of the rotating tube (35) is uniformly distributed with a plurality of fixed tubes (36) in communication with its inner cavity along the circumferential direction; one of the ends of the fixed tube (36) is sealed; and the lower outer wall of the fixed tube (36) is uniformly distributed with a plurality of atomizing nozzles (37) in communication with its inner cavity along the axial direction; A water pump (2) is fixedly provided on the top of the support base (1), and the water inlet and the water outlet of the water pump (2) are both fixedly connected with liquid pipes (30) arranged in communication, wherein one end of the liquid pipe (30) passes through the bottom of the absorption tower body (3) and extends to the interior, and the other end of the liquid pipe (30) passes through the outer wall of the absorption tower body (3) and is in communication with the inner cavity of the support pipe (34).

4. The industrial tail gas purification device according to claim 3, characterized in that: The inner wall of the absorption tower body (3) is located above the support tube (34) and is provided with a fixed demister (33) and an activated carbon layer (32) in sequence from bottom to top.

5. The industrial tail gas purification device according to claim 4, characterized in that: The outer wall of the driving shaft (29) is provided with a plurality of stirring blades (26) uniformly distributed along the circumference at positions above and below the baffle disc (28), and the outer wall of the driven shaft (38) is provided with a plurality of mixing blades (39) uniformly distributed along the circumference.

6. The industrial tail gas purification device according to claim 5, characterized in that: A driving motor (19) is fixedly provided at the bottom of the fixed cylinder (18), and an output end of the driving motor (19) passes through the fixed cylinder (18) and is fixedly connected to the rotating rod (14).

7. The industrial tail gas purification device according to claim 6, characterized in that: A control motor (13) is fixedly provided at the bottom of the absorption tower body (3), and an output end of the control motor (13) passes through the absorption tower body (3) and is fixedly connected to a drive shaft (29).

8. The industrial tail gas purification device according to claim 7, characterized in that: The absorption tower body (3) is fixedly connected to the support base (1) via a plurality of support rods (11).

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