Explosion venting tank tail gas absorption device

Abstract

The utility model belongs to the technical field of tail gas treatment, and particularly relates to an explosion venting tank tail gas absorption device which comprises a device body, a liquid inlet pipe is arranged at the upper end of the device body, a spraying pipe is connected to the lower end of the liquid inlet pipe, and a spraying head is connected to the lower end of the spraying pipe. By arranging the gas inlet pipe, the annular pipe, the connecting pipe, the gas outlet, the spraying pipe, the spraying head, the gas outlet pipe, the fan, the blades, the stirring paddle, the aeration pipe and the aeration nozzle, in the using process of the device, a tail gas absorbing agent is sprayed down from the spraying head in a spraying mode, gas is discharged from the gas outlet of the connecting pipe, full contact and mixing of the tail gas absorbing agent and the gas can be achieved, and the service life of the device is prolonged. The tail gas treatment efficiency of the device is improved, meanwhile, peculiar smell generated after tail gas absorption can be fully mixed and contacted with peculiar smell removal liquid in the device, peculiar smell generated after tail gas treatment can be greatly improved, peculiar smell gas is prevented from being directly discharged to pollute the environment, and the using effect of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a tail gas absorption device for an explosion relief tank. Background Art

[0002] Existing acrylic acid explosion venting tanks discharge exhaust gases from production line reactors, header tanks, and other unit equipment by combining the vent pipes above and below them. The exhaust is then directed directly into the explosion venting tank and released untreated into the atmosphere through the vent port at the top of the tank. Acrylic acid raw materials, particularly the monomers ethyl acrylate and hydroxyethyl acrylate, continuously emit a strong, foul-smelling gas during on-site operations.

[0003] The existing technology has the following problems:

[0004] Existing explosion venting tank tail gas is directly discharged into the atmosphere, and harmful gases and odors in the tail gas seriously pollute the environment. There is a lack of a device for absorbing harmful gases and removing odors in the tail gas. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides an exhaust gas absorption device for an explosion venting tank, which solves the current problem that the exhaust gas is directly discharged into the atmosphere and the harmful gases and odors in the exhaust gas seriously pollute the environment.

[0006] The exhaust gas fan of the present invention is connected with the exhaust gas fan of the present invention, and the exhaust gas fan of the present invention is connected with the exhaust gas fan of the present invention.

[0007] As a preferred technical solution of the present invention, the spray pipes are evenly distributed at the inner top of the device body, and there are several spray heads, which are evenly distributed at the lower end of the spray pipes.

[0008] As a preferred technical solution of the present invention, there are several connecting pipes, and the several connecting pipes are centrally symmetrically distributed on the inner side of the annular pipe.

[0009] As a preferred technical solution of the present invention, the upper end of the air outlet is connected to a conical cover, the number of the air outlets is several, and the several air outlets are evenly distributed on the upper end of the connecting pipe.

[0010] As a preferred technical solution of the present invention, there are a plurality of aeration tubes, and the aeration tubes are centrally and symmetrically distributed outside one end of the air outlet pipe.

[0011] As a preferred technical solution of the present invention, the blades are located inside the air outlet pipe, and the stirring paddle is located at the upper end of the connecting shaft.

[0012] Compared with the prior art, the present invention provides an explosion venting tank tail gas absorption device, which has the following beneficial effects:

[0013] 1. The exhaust gas absorption device for the explosion-proof tank is equipped with an air inlet pipe, a ring pipe, a connecting pipe, an air outlet, a spray pipe and a spray head. During the use of the device, the exhaust gas absorption agent is sprayed from the spray head in a spraying manner, and the gas is discharged from the air outlet of the connecting pipe, which can achieve full contact and mixing between the two, improve the device's absorption effect on the exhaust gas, and the treated agent is easy to collect centrally, thereby improving the exhaust gas treatment efficiency of the device.

[0014] 2. The exhaust gas absorption device of the explosion-proof tank is equipped with an exhaust pipe, a fan, blades, agitating paddles, an aeration pipe and an aeration nozzle, so that the odor generated after the exhaust gas is absorbed can be fully mixed and contacted with the odor removal liquid inside the device. The flowing gas drives the blades and agitating paddles to rotate, and the mixture is fully stirred, which can greatly reduce the odor generated after the exhaust gas is treated, prevent the odorous gas from being directly discharged to pollute the environment, and greatly improve the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the absorption device of the utility model;

[0016] Figure 2 It is a schematic diagram of the enlarged structure at point A;

[0017] Figure 3 Schematic diagram of the connecting pipe distribution structure.

[0018] In the figure: 1. Device body; 2. Liquid inlet pipe; 3. Spray pipe; 4. Spray head; 5. Air inlet pipe; 6. Drain pipe; 7. Cover; 8. Exhaust pipe; 9. Outlet pipe; 10. Fan; 11. Blades; 12. Connecting shaft; 13. Agitator; 14. Aeration pipe; 15. Aeration nozzle; 16. Ring pipe; 17. Connecting pipe; 18. Air outlet; 19. Conical cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-3 In this embodiment, a device for absorbing tail gas from an explosion venting tank is provided, comprising a device body 1, a liquid inlet pipe 2 is provided at the upper end of the device body 1, for connecting the toxic gas with the agent, a spray pipe 3 is connected at the lower end of the liquid inlet pipe 2, a spray head 4 is connected at the lower end of the spray pipe 3, an air inlet pipe 5 is provided on one side of the device body 1, for connecting the tail gas, a drain pipe 6 is provided on the other side of the device body 1, for discharging the agent after treatment, a cover body 7 is provided inside the device body 1, an exhaust pipe 8 is connected at the upper end of the cover body 7, the spray pipe 3 is provided at the lower end of the spray pipe 3, a drain pipe 6 is provided at the other side of the device body 1, for discharging the agent after treatment, a cover body 7 is provided inside the device body 1, an exhaust pipe 8 is connected at the upper end of the cover body 7, An air outlet pipe 9 is provided at the upper end, a fan 10 is provided at the center of the air outlet pipe 9, a blade 11 is provided inside one end of the air outlet pipe 9, the upper end of the blade 11 is connected to a connecting shaft 12, the upper end of the connecting shaft 12 is connected to a stirring paddle 13 for stirring and mixing, an aeration pipe 14 connected to the air outlet pipe 9 is provided at the lower end of the stirring paddle 13, the lower end of the aeration pipe 14 is connected to an aeration nozzle 15, one end of the air inlet pipe 5 is connected to a ring pipe 16, one side of the ring pipe 16 is connected to a connecting pipe 17, and the upper end of the connecting pipe 17 is connected to an air outlet 18.

[0021] In this embodiment, the spray pipes 3 are evenly distributed at the top of the inner part of the device body 1, and the number of the spray heads 4 is several, and the several spray heads 4 are evenly distributed at the lower end of the spray pipe 3. The spraying method is adopted to spray the agent for treating toxic gases from top to bottom, thereby increasing the contact area between the gas and the agent, greatly improving the efficiency and quality of the tail gas treatment, and preventing the discharge of toxic gases from causing environmental pollution; the number of the connecting pipes 17 is several, and the several connecting pipes 17 are centrally symmetrically distributed on the inner side of the annular pipe 16, and the tail gas is fully in contact with the treatment agent from bottom to top, thereby greatly improving the treatment effect of the tail gas of the device; the upper end of the gas outlet 18 is connected with a conical The cover 19 has several air outlets 18, and the several air outlets 18 are evenly distributed at the upper end of the connecting pipe 17, so that the gas is evenly distributed inside the odor absorbent, thereby improving the odor removal efficiency, improving the use effect of the device, and making the discharged gas meet the environmental protection requirements; the number of aeration pipes 14 is several, and the several aeration pipes 14 are centrally symmetrically distributed on the outside of one end of the air outlet pipe 9, and the structural design is reasonable; the blade 11 is located inside the air outlet pipe 9, and the stirring paddle 13 is located at the upper end of the connecting shaft 12. The internal gas flow drives the stirring paddle 13 to rotate, achieving a stirring effect on the gas-liquid mixture, thereby improving the device's removal effect on the exhaust odor.

[0022] The working principle and use process of the utility model are as follows: before the device is used, the treatment agent is connected to the liquid inlet pipe 2 through the liquid pump, and the odor removal agent is introduced into the lower end of the cover body 7 so that it overflows the stirring paddle 13. During the tail gas treatment process, the tail gas is introduced into the interior of the device from the air inlet pipe 5. Due to the structural design of the internal annular pipe 16, the tail gas fills the interior of several connecting pipes 17 and is evenly discharged from the air outlet 18. At the same time, the interior of the top spray pipe 3 is filled with the treatment agent, and the treatment agent is sprayed down from the spray head 4 through the spray pipe 3. The gas is fully in contact with the agent to achieve the purpose of treating the tail gas. The harmful gas is absorbed, and the absorbed agent is discharged from the drain pipe 6 on one side, and the fan 10 carries the treated gas into the inside of the outlet pipe 9. The gas flowing inside the outlet pipe 9 drives the blades 11 to rotate, and then enters the aeration pipe 14 and is ejected from the aeration nozzle 15. While the blades 11 rotate, the connecting shaft 12 rotates and drives the stirring paddle 13 to rotate inside the odor removal agent, achieving a mixing and stirring effect on the odorous gas and the agent, and the odor in the gas is fully removed. Finally, the fully treated gas is discharged from the exhaust pipe 8 to meet environmental protection requirements.

[0023] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An explosion venting tank tail gas absorption device, comprising a device body (1), characterized in that: The upper end of the device body (1) is provided with a liquid inlet pipe (2), the lower end of the liquid inlet pipe (2) is connected to a spray pipe (3), the lower end of the spray pipe (3) is connected to a spray head (4), an air inlet pipe (5) is provided on one side of the device body (1), a drain pipe (6) is provided on the other side of the device body (1), a cover body (7) is provided inside the device body (1), the upper end of the cover body (7) is connected to an exhaust pipe (8), an air outlet pipe (9) is provided on the upper end of the spray pipe (3), and a fan (10) is provided at the center of the air outlet pipe (9). A blade (11) is provided inside one end of the air outlet pipe (9), the upper end of the blade (11) is connected to a connecting shaft (12), the upper end of the connecting shaft (12) is connected to a stirring paddle (13), the lower end of the stirring paddle (13) is provided with an aeration pipe (14) connected to the air outlet pipe (9), the lower end of the aeration pipe (14) is connected to an aeration nozzle (15), one end of the air inlet pipe (5) is connected to an annular pipe (16), one side of the annular pipe (16) is connected to a connecting pipe (17), and the upper end of the connecting pipe (17) is connected to an air outlet (18).

2. The explosion venting tank tail gas absorption device according to claim 1, characterized in that: The spray pipes (3) are evenly distributed at the top end of the device body (1), and the number of spray heads (4) is several, and the several spray heads (4) are evenly distributed at the lower end of the spray pipes (3).

3. The explosion venting tank tail gas absorption device according to claim 1, characterized in that: There are a plurality of connecting tubes (17), and the connecting tubes (17) are centrally symmetrically distributed on the inner side of the annular tube (16).

4. The explosion venting tank tail gas absorption device according to claim 1, characterized in that: The upper end of the air outlet (18) is connected to a conical cover (19), and the number of the air outlets (18) is several, and the several air outlets (18) are evenly distributed on the upper end of the connecting pipe (17).

5. The explosion venting tank tail gas absorption device according to claim 1, characterized in that: The number of the aeration pipes (14) is several, and the several aeration pipes (14) are centrally symmetrically distributed outside one end of the air outlet pipe (9).

6. The explosion venting tank tail gas absorption device according to claim 1, characterized in that: The blade (11) is located inside the air outlet pipe (9), and the stirring paddle (13) is located at the upper end of the connecting shaft (12).

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