Sponge indium replacement reaction waste gas recovery and treatment device

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas recovery and treatment device for a sponge indium replacement reaction, waste gas of the sponge indium replacement reaction enters a solution cavity I in a waste gas treatment shell, so that acid gas in the waste gas is in contact with purified water in the solution cavity I, and the acid gas (HCl) is treated; the gas enters a solution cavity II through a soaking pipe II, and the waste gas is in contact with diluted hydrochloric acid, so that the zinc particles in the waste gas are treated. The waste gas treatment device is reasonable in structure, waste gas of sponge indium replacement reaction enters a first solution cavity in the waste gas treatment shell, acid gas in the waste gas makes contact with purified water in the first solution cavity, the acid gas (HCl) is treated, in addition, gas enters a second solution cavity through a second soaking pipe, the waste gas makes contact with diluted hydrochloric acid, and the waste gas is treated. And the zinc particles in the waste gas are treated.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, specifically to a device for recovering and treating waste gas from a sponge indium displacement reaction. Background Technology

[0002] Indium displacement reactions in sponges are usually carried out under acidic conditions, so the exhaust gas may contain acidic gases such as HCl and SO2. In addition, metal dust such as zinc or aluminum particles, or unreacted indium particles may be carried out. Also, if organic matter is involved in the reaction, such as certain solvents or additives, it may volatilize and produce VOCs. Furthermore, if the reaction is carried out at a high temperature, water vapor may be produced.

[0003] In existing technologies, HCl and zinc particles are generated during the indium displacement reaction of sponge gas. These particles are often treated using various devices. However, the indium gas contains acidic corrosive gas (HCl), which can easily damage pipelines when treated by various devices. Therefore, a waste gas recovery and treatment device for indium displacement reaction of sponge gas is proposed. Utility Model Content

[0004] This invention proposes a waste gas recovery and treatment device for sponge indium displacement reaction, which solves the problem that HCl and zinc particles generated in the sponge indium displacement reaction are often treated by multiple devices in the market. However, the sponge indium gas contains acidic corrosive gas (HCl), which can easily lead to pipeline damage when treated by multiple devices.

[0005] The technical solution of this utility model is as follows: A waste gas recovery and treatment device for sponge indium displacement reaction includes: a waste gas treatment shell and a waste material recovery shell. The surface of the waste gas treatment shell is provided with a sealing cover one, the surface of the waste material recovery shell is provided with a sealing cover two, and a partition shell is fixedly connected to the waste gas treatment shell. The waste gas treatment shell forms a solution chamber one and a solution chamber two through the partition shell.

[0006] The inner wall of the first solution chamber is provided with an soaking tube, the inner wall of the second solution chamber is provided with an soaking tube, the first solution chamber is provided with pure water, the second solution chamber is provided with dilute hydrochloric acid, and the bottom of the separator shell is provided with a reflux assembly.

[0007] The solution chamber 2 is provided with a guide pipe at the top, the partition shell is provided with an exhaust assembly above it, the exhaust assembly is provided with a filter assembly above it, the waste gas treatment shell is provided with an exhaust pipe at the top, the waste recycling shell is fixedly connected with a partition plate, and the waste recycling shell is provided with two sets of waste recycling assemblies inside.

[0008] Optionally, the reflux assembly includes a transfer pipe I located at the bottom of the solution chamber I, a solenoid valve II located in the horizontal section of the transfer pipe I, a transfer pipe II located at the bottom of the solution chamber II, and a solenoid valve I located in the horizontal section of the transfer pipe II.

[0009] Optionally, the filter assembly includes a nylon filter screen, a non-woven filter cotton, and an activated carbon filter cotton.

[0010] Optionally, the exhaust assembly includes a mounting shell fixedly connected to the inner wall of the exhaust gas treatment housing and a plurality of exhaust fans fixedly connected to the inner wall of the mounting shell.

[0011] Optionally, the waste recycling assembly includes multiple guide plates fixedly connected to the inner wall of the waste recycling shell and a filter screen fixedly connected to the center of the guide plates;

[0012] The surface of the guide plate is provided with an installation port for the filter screen.

[0013] Optionally, the bottom of the waste recycling shell is provided with two collection shells, and a support pad is fixedly connected to the bottom of the waste recycling shell.

[0014] Optionally, the surface of the sealing cover is provided with a plurality of through holes, the surface of the exhaust gas treatment shell is provided with a plurality of threaded grooves, the inner wall of the threaded grooves is threaded with a bolt, and a sealing gasket is provided between the exhaust gas treatment shell and the sealing cover.

[0015] The surface of the sealing cover 2 has multiple through holes 2, the surface of the waste recycling shell has multiple threaded grooves 2, the inner wall of the threaded grooves 2 is threaded with bolts 2 that fit the sealing cover 2, and a sealing gasket 2 is provided between the waste recycling shell and the sealing cover 2.

[0016] The working principle and beneficial effects of this utility model are as follows:

[0017] This application has a reasonable structure. The waste gas from the indium displacement reaction enters the solution chamber one in the waste gas treatment shell, so that the acidic gas in the waste gas comes into contact with the pure water in the solution chamber one and the acidic gas (HCl) is treated. In addition, the gas enters the interior of the solution chamber two through the soaking tube two and comes into contact with dilute hydrochloric acid, thereby treating the zinc particles in the waste gas. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2;

[0021] Figure 3 This is a cross-sectional structural diagram of the waste gas treatment shell in this utility model;

[0022] Figure 4 This is a cross-sectional structural diagram of the waste recycling shell in this utility model;

[0023] In the diagram: 1. Exhaust gas treatment shell; 2. Waste recovery shell; 3. Sealing cover one; 4. Sealing cover two; 5. Exhaust pipe; 6. Transfer pipe one; 7. Transfer pipe two; 8. Bolt one; 9. Bolt two; 10. Nylon filter screen; 11. Non-woven filter cotton; 12. Activated carbon filter cotton; 13. Mounting shell; 14. Exhaust fan; 15. Separator shell; 16. Solution chamber one; 17. Solution chamber two; 18. Solenoid valve one; 19. Solenoid valve two; 20. Guide pipe; 21. Immersion pipe one; 22. Immersion pipe two; 23. Collection shell; 24. Guide plate; 25. Filter screen; 26. Partition plate. Detailed Implementation

[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0025] Example

[0026] Please see Figure 1 - Figure 4 The present invention provides a waste gas recovery and treatment device for indium displacement reaction of sponge, comprising: a waste gas treatment shell 1 and a waste material recovery shell 2. The surface of the waste gas treatment shell 1 is provided with a sealing cover 3, the surface of the waste material recovery shell 2 is provided with a sealing cover 4, and a partition shell 15 is fixedly connected to the waste gas treatment shell 1. The waste gas treatment shell 1 forms a solution chamber 16 and a solution chamber 2 17 through the partition shell 15.

[0027] The inner wall of solution chamber 16 is provided with soaking tube 21, and the inner wall of solution chamber 27 is provided with soaking tube 22. The interior of solution chamber 16 is filled with pure water, and the interior of solution chamber 27 is filled with dilute hydrochloric acid. The bottom of the partition shell 15 is provided with a reflux assembly. Multiple injection ports are opened on the back of the exhaust gas treatment shell 1. The inner wall of the injection port is threaded with a sealing plug. Pure water and dilute hydrochloric acid are added to the interior of the exhaust gas treatment shell 1 through the injection ports.

[0028] The top of the solution chamber 17 is provided with a guide pipe 20, the top of the partition shell 15 is provided with an exhaust assembly, the top of the exhaust assembly is provided with a filter assembly, the top of the waste gas treatment shell 1 is provided with an exhaust pipe 5, the inner wall of the waste recycling shell 2 is fixedly connected with a partition 26, and the inside of the waste recycling shell 2 is provided with two sets of waste recycling assemblies.

[0029] Furthermore, the reflux assembly includes a transfer pipe 6 located at the bottom of the solution chamber 16, a solenoid valve 19 located in the horizontal section of the transfer pipe 6, a transfer pipe 7 located at the bottom of the solution chamber 17, and a solenoid valve 18 located in the horizontal section of the transfer pipe 7.

[0030] Specifically, by opening the solenoid valve 19 on the surface of transfer pipe 16, the pure water inside solution chamber 16 is discharged through transfer pipe 16 to one side of the waste recycling shell 2. Then, by opening the solenoid valve 18 on the surface of transfer pipe 27, the dilute hydrochloric acid solution inside solution chamber 27 is discharged through transfer pipe 27 to the other side of the waste recycling shell 2.

[0031] Furthermore, the filter assembly includes a nylon filter screen 10, a non-woven filter cotton 11, and an activated carbon filter cotton 12, and the exhaust assembly includes a mounting shell 13 fixedly connected to the inner wall of the exhaust gas treatment shell 1 and a plurality of exhaust fans 14 fixedly connected to the inner wall of the mounting shell 13.

[0032] Specifically, the gas inside the solution chamber 17 is discharged through the guide pipe 20 by the exhaust fan 14, and then passes through the nylon filter 10, non-woven filter cotton 11 and activated carbon filter cotton 12 in sequence to filter impurities in the gas, and finally is discharged through the exhaust pipe 5.

[0033] Furthermore, the waste recycling assembly includes multiple guide plates 24 fixedly connected to the inner wall of the waste recycling shell 2 and a filter screen 25 fixedly connected to the center of the guide plates 24;

[0034] The surface of the guide plate 24 is provided with an installation port for the filter screen 25. The bottom of the waste recycling shell 2 is provided with two collection shells 23, and the bottom of the waste recycling shell 2 is fixedly connected with a support pad.

[0035] Specifically, the pure water or dilute hydrochloric acid solution that enters the waste recycling shell 2 is guided by the guide plate 24 and filtered by the filter screen 25 to remove impurities from the pure water or zinc particles from the dilute hydrochloric acid solution. Finally, the pure water and dilute hydrochloric acid solution enter the left and right collection shells 23 respectively.

[0036] Furthermore, the surface of the sealing cover 3 is provided with multiple through holes, the surface of the exhaust gas treatment shell 1 is provided with multiple threaded grooves, the inner wall of the threaded grooves is threaded with bolts 8, and a sealing gasket is provided between the exhaust gas treatment shell 1 and the sealing cover 3.

[0037] The surface of the sealing cover 2 4 has multiple through holes 2, and the surface of the waste recycling shell 2 has multiple threaded grooves 2. The inner wall of the threaded grooves 2 is threaded with bolts 2 9 that match the sealing cover 2 4. A sealing gasket 2 is provided between the waste recycling shell 2 and the sealing cover 2 4.

[0038] Specifically, by removing bolt 18, the sealing cover 13 is separated from the exhaust gas treatment shell 1, which facilitates maintenance of the interior of the exhaust gas treatment shell 1. In addition, by removing bolt 29, the sealing cover 24 is separated from the waste recycling shell 2, which facilitates the removal of the filter screen 25 and the collection shell 23.

[0039] The workflow of this application:

[0040] The sponge indium replacement reaction connecting pipe is connected through soaking pipe 21. The waste gas from the sponge indium replacement reaction enters solution chamber 16 in waste gas treatment shell 1, so that the acidic gas in the waste gas comes into contact with the pure water in solution chamber 16 and the acidic gas (HCl) is treated. In addition, the treated gas enters the interior of solution chamber 17 through soaking pipe 22 and comes into contact with dilute hydrochloric acid to treat the zinc particles in the waste gas.

[0041] Then, the gas inside the solution chamber 17 is discharged through the guide pipe 20 by the exhaust fan 14, and the impurities in the gas are filtered through the nylon filter screen 10, the non-woven filter cotton 11 and the activated carbon filter cotton 12 in sequence, and finally discharged through the exhaust pipe 5.

[0042] By opening the solenoid valve 19 on the surface of transfer pipe 16, the pure water inside solution chamber 16 is discharged through transfer pipe 16 to one side of the waste recycling shell 2. Next, by opening the solenoid valve 18 on the surface of transfer pipe 27, the dilute hydrochloric acid solution inside solution chamber 27 is discharged through transfer pipe 27 to the other side of the waste recycling shell 2. The pure water or dilute hydrochloric acid solution entering the waste recycling shell 2 is guided by the guide plate 24 and filtered by the filter screen 25 to filter impurities in the pure water or zinc particles in the dilute hydrochloric acid solution. Finally, the pure water and dilute hydrochloric acid solution enter the left and right collection shells 23 respectively.

[0043] By removing bolt 18, the sealing cover 13 can be separated from the exhaust gas treatment shell 1, making it easier to maintain the inside of the exhaust gas treatment shell 1. In addition, by removing bolt 29, the sealing cover 24 can be separated from the waste recycling shell 2, making it easier to remove the filter screen 25 and the collection shell 23.

[0044] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for recovering and treating waste gas from a sponge indium displacement reaction, characterized in that, include: Waste gas treatment shell (1) and waste recycling shell (2), the surface of the waste gas treatment shell (1) is provided with a sealing cover one (3), the surface of the waste recycling shell (2) is provided with a sealing cover two (4), the waste gas treatment shell (1) is fixedly connected with a partition shell (15), the waste gas treatment shell (1) forms a solution chamber one (16) and a solution chamber two (17) respectively through the partition shell (15); The inner wall of the first solution chamber (16) is provided with an soaking tube (21), the inner wall of the second solution chamber (17) is provided with an soaking tube (22), the interior of the first solution chamber (16) is provided with pure water, the interior of the second solution chamber (17) is provided with dilute hydrochloric acid, and the bottom of the separator shell (15) is provided with a reflux assembly. The solution chamber 2 (17) is provided with a guide pipe (20) at the top, the partition shell (15) is provided with an exhaust assembly above it, the exhaust assembly is provided with a filter assembly above it, the exhaust gas treatment shell (1) is provided with an exhaust pipe (5) at the top, the waste recycling shell (2) is fixedly connected with a partition plate (26), and the waste recycling shell (2) is provided with two sets of waste recycling assemblies inside.

2. The device for recovering and treating waste gas from a sponge indium displacement reaction according to claim 1, characterized in that: The reflux assembly includes a transfer pipe 1 (6) located at the bottom of the solution chamber 1 (16), a solenoid valve 2 (19) located in the horizontal section of the transfer pipe 1 (6), a transfer pipe 2 (7) located at the bottom of the solution chamber 2 (17), and a solenoid valve 1 (18) located in the horizontal section of the transfer pipe 2 (7).

3. The device for recovering and treating waste gas from a sponge indium displacement reaction according to claim 1, characterized in that: The filter assembly includes a nylon filter screen (10), a non-woven filter cotton (11), and an activated carbon filter cotton (12).

4. The device for recovering and treating waste gas from a sponge indium displacement reaction according to claim 1, characterized in that: The exhaust assembly includes a mounting shell (13) fixedly connected to the inner wall of the exhaust gas treatment shell (1) and a plurality of exhaust fans (14) fixedly connected to the inner wall of the mounting shell (13).

5. The device for recovering and treating waste gas from a sponge indium displacement reaction according to claim 1, characterized in that: The waste recycling assembly includes multiple guide plates (24) fixedly connected to the inner wall of the waste recycling shell (2) and a filter screen (25) fixedly connected to the center of the guide plates (24); The surface of the guide plate (24) is provided with an installation port for the filter screen (25).

6. The device for recovering and treating waste gas from a sponge indium displacement reaction according to claim 1, characterized in that: The waste recycling shell (2) has two collection shells (23) at its inner bottom, and a support pad is fixedly connected to the bottom of the waste recycling shell (2).

7. The device for recovering and treating waste gas from a sponge indium displacement reaction according to claim 1, characterized in that: The surface of the sealing cover (3) is provided with multiple through holes, the surface of the exhaust gas treatment shell (1) is provided with multiple threaded grooves, the inner wall of the threaded grooves is threaded with bolts (8), and a sealing gasket is provided between the exhaust gas treatment shell (1) and the sealing cover (3). The surface of the sealing cover (4) is provided with multiple through holes, and the surface of the waste recycling shell (2) is provided with multiple threaded grooves. The inner wall of the threaded grooves is threaded with bolts (9) that fit the sealing cover (4). A sealing gasket is provided between the waste recycling shell (2) and the sealing cover (4).

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