Waste gas treatment device for preparing high-purity manganese metal through electrolysis

Abstract

The utility model relates to the field of waste gas treatment, and discloses a waste gas treatment device for preparing high-purity manganese metal through electrolysis, which comprises a gas inlet pipe, a suction fan is fixedly connected to the middle of the inner wall of the gas inlet pipe, an activated carbon filter screen is mounted at one end of the inner wall of the gas inlet pipe, and an activated carbon filter cabinet is fixedly connected to one end of the gas inlet pipe. A water tank is placed at the top of the activated carbon filtering cabinet, a water pump is fixedly connected to the top of the activated carbon filtering cabinet, the output end of the water pump is fixedly connected with a water outlet pipe, a water return pump is fixedly connected to the top of the activated carbon filtering cabinet, and the input end of the water return pump is fixedly connected with a water return pipe; one end of the water return pipe is fixedly connected to the bottom of the activated carbon filtering cabinet. According to the waste gas treatment device, most harmful substances in waste gas are filtered out through multiple layers of activated carbon filter screens in the activated carbon filter cabinet, so that effective and safe treatment of the waste gas is realized.

Description

Technical Field

[0001] The utility model relates to the field of waste gas treatment, in particular to a waste gas treatment device for electrolytic preparation of high-purity metallic manganese. Background Art

[0002] Metallic manganese is now mainly used in the steel industry. Downstream applications of manganese include steel, nonferrous metallurgy, chemicals, electronics, batteries, agriculture, medicine and other fields. The application of manganese in the battery industry, including manganese-manganese batteries and lithium-ion battery positive electrode materials, is the most widely used before the development of new manganese-based positive electrode materials. Therefore, the use of metallic manganese as a raw material will become more and more extensive, and the demand will increase.

[0003] In industry, large-scale electrolytic preparation of high-purity manganese metal produces a large amount of waste gas containing harmful substances. If it is directly discharged without secondary treatment, it will cause serious environmental pollution. Therefore, it is particularly important to effectively and safely dispose of the waste gas. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a waste gas treatment device for electrolytic preparation of high-purity metallic manganese, aiming to improve the problem of environmental pollution caused by a large amount of waste gas generated during the electrolytic preparation of high-purity metallic manganese.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waste gas treatment device for electrolytic preparation of high-purity metallic manganese, comprising an air intake pipe, a suction fan is fixedly connected to the middle part of the inner wall of the air intake pipe, an activated carbon filter is installed at one end of the inner wall of the air intake pipe, an activated carbon filter cabinet is fixedly connected to one end of the air intake pipe, a water tank is placed on the top of the activated carbon filter cabinet, a water pump is fixedly connected to one side of the outer wall of the water tank, the water pump is fixedly connected to the top of the activated carbon filter cabinet, the output end of the water pump is fixedly connected to a water outlet pipe, one end of the water outlet pipe is connected to a plurality of spray nozzles, a plurality of holes are evenly opened in the middle part of the activated carbon filter cabinet, each of the spray nozzles is fixedly connected to the middle part of the activated carbon filter cabinet, a return water pump is fixedly connected to the other side of the outer wall of the water tank, the return water pump is fixedly connected to the top of the activated carbon filter cabinet, the input end of the return water pump is fixedly connected to the return water pipe, and one end of the return water pipe is fixedly connected to the bottom of the activated carbon filter cabinet.

[0006] Preferably, a sinking activated carbon filter is placed on the lower part of the inner wall of the activated carbon filter cabinet, a water guide is arranged above the sinking activated carbon filter, and the water guide is arranged below the air inlet pipe and the spray nozzle.

[0007] A sinking air outlet pipe is fixedly connected to one side of the lower part of the activated carbon filter cabinet, and the sinking air outlet pipe is below the sinking activated carbon filter screen.

[0008] Preferably, a rising activated carbon filter is fixedly connected to the upper inner wall of the activated carbon filter cabinet, a rising air outlet pipe is connected to one side of the upper portion of the activated carbon filter cabinet, and one end of the rising air outlet pipe is connected to the middle of the sinking air outlet pipe.

[0009] Preferably, a suction fan is installed in the middle of the inner wall of the downward air outlet pipe, and one end of the downward air outlet pipe is fixedly connected to an electric heating catalytic box.

[0010] Preferably, a plurality of heating plates are fixedly connected to the middle portion of the inner wall of the electric heating catalyst box.

[0011] Preferably, an output pipe is fixedly connected to the lower part of one side of the electric heating catalyst box, and one end of the output pipe is connected to the catalyst box.

[0012] Preferably, an air diffusion port is provided on the top of the electric heating catalyst box.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the waste gas generated by preparing metallic manganese is sucked in through the air inlet pipe, and most of the harmful substances in the waste gas are filtered out through the multi-layer activated carbon filter in the activated carbon filter cabinet, thereby achieving effective and safe treatment of the waste gas.

[0015] 2. In the utility model, the water pump and the return water pump connected to the water tank output and recover the liquid through the respectively connected pipes, so as to achieve the effect of recycling the spray liquid.

[0016] 3. In the utility model, the catalyst outputted from the catalyst box contacts the exhaust gas, and then the heating plate of the catalyst box is electrically heated to accelerate the catalytic decomposition of the exhaust gas, thereby achieving the effect of reducing the environmental pollution caused by the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of a waste gas treatment device for electrolytic preparation of high-purity metallic manganese proposed by the utility model;

[0018] Figure 2 This is a structural diagram of an activated carbon filter cabinet of a waste gas treatment device for electrolytic preparation of high-purity metallic manganese proposed by the utility model;

[0019] Figure 3 This is a structural diagram of an electrically heated catalytic box of a waste gas treatment device for electrolytic preparation of high-purity metallic manganese proposed by the utility model.

[0020] Legend:

[0021] 1. Inlet pipe; 2. Water tank; 3. Water pump; 4. Water outlet pipe; 5. Downward outlet pipe; 6. Upward outlet pipe; 7. Return pipe; 8. Electric catalytic box; 9. Air diffuser; 10. Catalyst box; 11. Output pipe; 12. Suction fan; 13. Spray nozzle; 14. Water channel; 15. Downward activated carbon filter; 16. Upward activated carbon filter; 17. Activated carbon filter; 18. Activated carbon filter cabinet; 19. Return pump; 20. Heating plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 2 The utility model provides an embodiment: an exhaust gas treatment device for electrolytic preparation of high-purity manganese metal, comprising an air intake pipe 1, a suction fan 12 is fixedly connected to the middle of the inner wall of the air intake pipe 1, an activated carbon filter 17 is installed at one end of the inner wall of the air intake pipe 1, an activated carbon filter cabinet 18 is fixedly connected to one end of the air intake pipe 1, a water tank 2 is placed on the top of the activated carbon filter cabinet 18, a water pump 3 is fixedly connected to one side of the outer wall of the water tank 2, the water pump 3 is fixedly connected to the top of the activated carbon filter cabinet 18, and the water pump The output end of 3 is fixedly connected with a water outlet pipe 4, one end of the water outlet pipe 4 is connected with a plurality of spray nozzles 13, a plurality of holes are evenly opened in the middle of the activated carbon filter cabinet 18, each spray nozzle 13 is fixedly connected to the middle of the activated carbon filter cabinet 18, a return water pump 19 is fixedly connected to the other side of the outer wall of the water tank 2, the return water pump 19 is fixedly connected to the top of the activated carbon filter cabinet 18, the input end of the return water pump 19 is fixedly connected with a return water pipe 7, one end of the return water pipe 7 is fixedly connected to the bottom of the activated carbon filter cabinet 18.

[0024] When the generated exhaust gas is sucked into the cavity inside the activated carbon filter cabinet 18 by the suction fan 12 installed inside the air intake pipe 1, it is first filtered once by the activated carbon filter 17 in the air intake pipe. At this time, the water pump 3 outputs the liquid in the water tank 3 through the outlet pipe 4 from the multiple spray nozzles 13 installed inside the activated carbon filter cabinet. The sprayed liquid is in full contact with the generated exhaust gas. The liquid that has completed the work will be returned to the water tank 2 by the return pump 19 through the return pipe 7 connected to the bottom of the activated carbon filter cabinet 18 to complete the recycling.

[0025] A sinking activated carbon filter screen 15 is placed at the lower part of the inner wall of the activated carbon filter cabinet 18 , and a water conduit 14 is arranged above the sinking activated carbon filter screen 15 . The water conduit 14 is arranged below the air inlet pipe 1 and the spray nozzle 13 .

[0026] The exhaust gas generated by the air inlet pipe 1 fully combines with the liquid sprayed from the spray nozzle 13, passes through the water conduit 14 and the sinking activated carbon filter 15 to filter most of the harmful substances, and the liquid becomes clear and the work is completed.

[0027] A sinking air outlet pipe 5 is fixedly connected to one side of the lower part of the activated carbon filter cabinet 18 , and the sinking air outlet pipe 5 is below the sinking activated carbon filter screen 15 .

[0028] The waste gas filtered by the sinking activated carbon filter 15 can be discharged from the sinking outlet pipe below it.

[0029] An ascending activated carbon filter screen 16 is fixedly connected to the upper inner wall of the activated carbon filter cabinet 18 , and an ascending air outlet pipe 6 is connected to one side of the upper portion of the activated carbon filter cabinet 18 , and one end of the ascending air outlet pipe 6 is connected to the middle of the descending air outlet pipe 5 .

[0030] The rising gas in the exhaust gas generated by the intake pipe 1 is filtered by the rising activated carbon filter 16 and then discharged to the sinking exhaust pipe through the rising exhaust pipe 6.

[0031] refer to Figure 2-Figure 3 A suction fan 12 is installed in the middle of the inner wall of the downward air outlet pipe 5, and an electric heating catalytic box 8 is fixedly connected to one end of the downward air outlet pipe 5.

[0032] The exhaust gas filtered by the activated carbon filter cabinet 18 is sucked into the electric heating catalytic box 8 through the suction fan 12 installed on the inner wall of the sinking air outlet pipe 5.

[0033] A plurality of heating plates 20 are fixedly connected to the middle of the inner wall of the electric heating catalyst box 8 .

[0034] A plurality of heating plates 20 are stacked together, and the gap between the heating plates 20 and the inner wall of the electric catalytic box 8 is extremely small, so that the exhaust gas can stay in the heating plates 20 for a long time.

[0035] An output pipe 11 is fixedly connected to the lower part of one side of the electric heating catalyst box 8 , and one end of the output pipe 11 is connected to the catalyst box 10 .

[0036] Catalyst can be supplied to the electric heating catalyst box 8 via the catalyst box 10 and the outlet pipe 11 .

[0037] The top of the electric heating catalyst box 8 is provided with an air diffusion port 9 .

[0038] The exhaust gas passing through the heating plate 20 is decomposed faster under the action of the catalyst to produce harmless gas, which is then emitted into the atmosphere through the gas diffusion port 9.

[0039] Working principle: When the generated exhaust gas is sucked into the cavity in the activated carbon filter cabinet 18 by the suction fan 12 installed inside the air inlet pipe 1, it is first filtered once by the activated carbon filter screen 17 in the air inlet pipe. At this time, the water pump 3 outputs the liquid in the water tank 3 through the outlet pipe 4 from the multiple spray nozzles 13 installed inside the activated carbon filter cabinet. The sprayed liquid is fully in contact with the exhaust gas. The exhaust gas generated entering the air inlet pipe 1 is fully combined with the sprayed liquid of the spray nozzle 13. Most of the harmful substances are filtered through the sinking activated carbon filter screen 15 through the water guide 14. The liquid becomes clear and the work is completed. The liquid that has completed the work will be returned to the water tank 2 by the return water pump 19 through the return water pipe 7 connected to the bottom of the activated carbon filter cabinet 18, completing the recycling. The exhaust gas filtered by the activated carbon filter 15 can be discharged from the sinking outlet pipe below it. The rising gas in the exhaust gas can be discharged into the sinking outlet pipe through the rising outlet pipe 6 after being filtered by the rising activated carbon filter 16. The exhaust gas filtered by the activated carbon filter cabinet 18 is sucked into the electric catalytic box 8 through the suction fan 12 installed on the inner wall of the sinking outlet pipe 5. The catalyst can be input into the electric catalytic box 8 through the catalyst box 10 through the output pipe 11. The heating plate 20 installed on the inner wall of the electric catalytic box 8 has a very small connection gap with the inner wall of the electric catalytic box 8, so that the exhaust gas can stay in the heating plate 20 for a long time. The exhaust gas passing through the heating plate 20 is decomposed faster under the action of the catalyst to produce harmless gas, which is then emitted into the atmosphere through the air diffuser 9.

[0040] Finally, it should be noted that the above is only 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 can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A waste gas treatment device for electrolytic preparation of high-purity manganese metal, comprising an air intake pipe (1), characterized in that: A suction fan (12) is fixedly connected to the middle of the inner wall of the air intake pipe (1), an activated carbon filter (17) is installed at one end of the inner wall of the air intake pipe (1), one end of the air intake pipe (1) is fixedly connected to an activated carbon filter cabinet (18), a water tank (2) is placed on the top of the activated carbon filter cabinet (18), a water pump (3) is fixedly connected to one side of the outer wall of the water tank (2), the water pump (3) is fixedly connected to the top of the activated carbon filter cabinet (18), the output end of the water pump (3) is fixedly connected to a water outlet pipe (4), and the water outlet pipe One end of the water tank (4) is connected to a plurality of spray nozzles (13), a plurality of holes are evenly opened in the middle of the activated carbon filter cabinet (18), each of the spray nozzles (13) is fixedly connected to the middle of the activated carbon filter cabinet (18), a return water pump (19) is fixedly connected to the other side of the outer wall of the water tank (2), the return water pump (19) is fixedly connected to the top of the activated carbon filter cabinet (18), the input end of the return water pump (19) is fixedly connected to a return water pipe (7), and one end of the return water pipe (7) is fixedly connected to the bottom of the activated carbon filter cabinet (18).

2. The waste gas treatment device for electrolytic preparation of high-purity metallic manganese according to claim 1, characterized in that: A sunken activated carbon filter screen (15) is placed at the lower part of the inner wall of the activated carbon filter cabinet (18), a water conduit (14) is arranged above the sunken activated carbon filter screen (15), and the water conduit (14) is arranged below the air inlet pipe (1) and the spray nozzle (13).

3. The waste gas treatment device for electrolytic preparation of high-purity metallic manganese according to claim 2, characterized in that: A sinking air outlet pipe (5) is fixedly connected to one side of the lower part of the activated carbon filter cabinet (18), and the sinking air outlet pipe (5) is below the sinking activated carbon filter screen (15).

4. The waste gas treatment device for electrolytic preparation of high-purity metallic manganese according to claim 3, characterized in that: An ascending activated carbon filter screen (16) is fixedly connected to the upper inner wall of the activated carbon filter cabinet (18), and an ascending air outlet pipe (6) is connected to one side of the upper part of the activated carbon filter cabinet (18), and one end of the ascending air outlet pipe (6) is connected to the middle of the descending air outlet pipe (5).

5. The waste gas treatment device for electrolytic preparation of high-purity metallic manganese according to claim 4, characterized in that: A suction fan (12) is installed in the middle of the inner wall of the downward air outlet pipe (5), and one end of the downward air outlet pipe (5) is fixedly connected to an electric heating catalytic box (8).

6. The waste gas treatment device for electrolytic preparation of high-purity metallic manganese according to claim 5, characterized in that: A plurality of heating plates (20) are fixedly connected to the middle portion of the inner wall of the electric heating catalyst box (8).

7. The waste gas treatment device for electrolytic preparation of high-purity metallic manganese according to claim 6, characterized in that: An output pipe (11) is fixedly connected to the lower part of one side of the electric heating catalyst box (8); one end of the output pipe (11) is connected to the catalyst box (10).

8. The waste gas treatment device for electrolytic preparation of high-purity metallic manganese according to claim 7, characterized in that: The top of the electric heating catalytic box (8) is provided with an air diffusion port (9).

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