Low-energy-consumption lead-zinc smelting tail gas purification and recovery device

By introducing a cooling box and internal circulation pipe structure into the low-energy lead-zinc smelting tail gas purification and recovery device, combined with a circulation pump and a water storage tank, the problem of excessive tail gas temperature damaging the equipment was solved, and the equipment achieved safe cooling and efficient purification.

CN223500163UActive Publication Date: 2025-10-31XINJIANG ZIJIN ZINC CO LTD
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Patent Information

Application Number
CN202422950587.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-31
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The existing low-energy lead-zinc smelting tail gas purification and recovery device does not cool down the lead-zinc smelting tail gas entering the device, resulting in excessively high tail gas temperature that damages the device.

Method used

The system employs a cooling box and internal circulation pipe structure, and through the cooperation of a circulation pump and a water storage tank, it achieves cooling of the tail gas from lead and zinc smelting, thus protecting the equipment safety.

Benefits of technology

It effectively reduces exhaust gas temperature, prevents equipment damage, and ensures the safe and efficient operation of the purification equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of tail gas purification, and discloses a low-energy-consumption lead-zinc smelting tail gas purification and recovery device. The low-energy-consumption lead-zinc smelting tail gas purification and recovery device comprises an equipment bottom plate, the upper end of the equipment bottom plate is fixedly connected with a cooling box, a plurality of inner circulation pipes are arranged in the cooling box, the adjacent positions of the inner circulation pipes are fixedly connected with fixing plates, the fixing plates are bonded with the inner circulation pipes, and the inner circulation pipes are arranged in the cooling box. A water storage tank is fixedly connected to the side face of the equipment bottom plate, so that lead-zinc smelting tail gas in an inner circulation pipe is reduced, subsequent operation and use are facilitated, the position of the inner circulation pipe in the cooling tank is conveniently fixed through a fixing plate, and therefore it is ensured that the position of the structure is stable; the circulating pump machine is used for circularly pumping water in the cooling box and water in the water storage box, so that it is guaranteed that the temperature of the water in the cooling box is in an operation state, and subsequent operation and use are facilitated.
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Description

Technical Field

[0001] This application belongs to the field of exhaust gas purification technology, specifically a low-energy lead-zinc smelting exhaust gas purification and recovery device. Background Technology

[0002] The low-energy lead-zinc smelting tail gas purification and recovery unit offers significant environmental and economic advantages. Firstly, the unit employs advanced gas purification technology to effectively remove harmful gases generated during smelting, such as sulfur dioxide, nitrogen oxides, and heavy metal vapors, reducing pollutant emissions and meeting increasingly stringent environmental regulations. Secondly, through a well-designed energy recovery system, the unit converts some of the heat energy in the smelting tail gas into reusable energy, significantly reducing energy consumption during smelting, improving overall energy efficiency, reducing air and water pollution, and lowering environmental remediation costs. The recovered useful materials, after appropriate treatment, can be reused in production or sold as byproducts, increasing economic benefits. Finally, the reduced greenhouse gas emissions during smelting contribute to a smaller carbon footprint, aligning with the principles of sustainable development.

[0003] The modular design of this device simplifies installation, maintenance, and operation, allowing for flexible adjustments to meet the needs of different smelters and demonstrating strong adaptability and scalability. In summary, the low-energy lead-zinc smelting tail gas purification and recovery device not only improves resource utilization but also plays a crucial role in reducing pollution, lowering energy consumption, and enhancing economic efficiency. It represents a significant technological innovation for the smelting industry's transformation towards a green and environmentally friendly model.

[0004] However, in common equipment use, the lead-zinc smelting exhaust gas entering the equipment is not cooled down, which can easily lead to excessively high exhaust gas temperature, causing equipment damage and making subsequent operations inconvenient. Utility Model Content

[0005] The purpose of this application is to provide a low-energy-consumption lead-zinc smelting tail gas purification and recovery device to solve the aforementioned problem of conveniently cooling the tail gas of lead-zinc smelting.

[0006] The technical solution adopted in this application is as follows: a low-energy lead-zinc smelting tail gas purification and recovery device, including an equipment base plate, a cooling box fixedly connected to the upper end of the equipment base plate, multiple internal circulation pipes are arranged inside the cooling box, a fixing plate is fixedly connected to the adjacent positions of the internal circulation pipes, the fixing plate is bonded to the internal circulation pipes, a water storage tank is fixedly connected to the side of the equipment base plate, a circulation pump is fixedly connected to the upper end of the water storage tank, the circulation pump is connected to the cooling box through a pipe, and an external pipe is fixedly connected to the side of the cooling box.

[0007] By adopting the above technical solution, the cooling box facilitates the cooling of lead-zinc smelting tail gas entering the equipment, thereby preventing high-temperature tail gas from damaging the purification equipment and protecting the operational safety of structural components. During operation, the lead-zinc smelting tail gas is connected to the internal circulation pipe. The multi-layered design of the internal circulation pipe within the cooling box allows for cooling of the internal circulation pipe via water supplied within the cooling box, thus reducing the temperature of the lead-zinc smelting tail gas inside the internal circulation pipe and facilitating subsequent operations. The fixing plate secures the internal circulation pipe within the cooling box, ensuring structural stability. A circulating pump circulates and extracts water from the cooling box and the water storage tank, ensuring the water temperature inside the cooling box remains within the operating range for convenient subsequent operations.

[0008] In a preferred embodiment, a connecting component is provided on the side of the cooling box opposite to the outer pipe, and the other end of the inner circulation pipe is conveniently connected to the connecting component and the outer pipe.

[0009] By adopting the above technical solution, the connecting component is convenient to connect to other components, thereby facilitating the transportation of lead-zinc smelting tail gas to the equipment for purification. By connecting the position of the internal circulation pipe, the lead-zinc smelting tail gas enters the cooling box from the connecting component, then connects to the auxiliary fan, and then to the subsequent purification equipment.

[0010] In a preferred embodiment, an auxiliary fan is fixedly connected to the upper end of the equipment base plate at a position adjacent to the cooling box, and the other end of the external pipe is connected to the auxiliary fan.

[0011] By adopting the above technical solution, the auxiliary fan can easily drive the flow of lead-zinc smelting tail gas that needs to be finely purified, thereby facilitating subsequent purification operations. The external pipe connection ensures the connection between structural components.

[0012] In a preferred embodiment, the upper end of the water storage tank is fixedly connected to a water inlet adjacent to the circulating pump, and the side of the cooling box is provided with an operating platform adjacent to the connecting assembly.

[0013] By adopting the above technical solution, the water inlet facilitates the filling of water into the water storage tank, which is convenient for cooling operations inside the cooling box. The control panel facilitates the operation of the equipment by the staff, meeting different operational needs.

[0014] In a preferred embodiment, a plurality of purification components are provided at the upper end of the equipment base plate adjacent to the auxiliary fan, and a rear connecting pipe is provided at the middle position between the auxiliary fan and the purification components, the rear connecting pipe being connected to the auxiliary fan.

[0015] By adopting the above technical solution, the purification component is convenient for gas purification operations, ensuring the normal operation of gas purification. The rear connecting pipe facilitates connection to the rear connecting pipe, and the connection of the rear connecting pipe to the auxiliary fan ensures gas flow inside the equipment.

[0016] In a preferred embodiment, a plurality of rear connecting pipes are fixedly connected to the side of the rear connecting pipe, and the other end of the rear connecting pipe away from the rear connecting pipe is connected to the purification component.

[0017] By adopting the above technical solution, the rear connecting pipe can easily connect to the location of the purification component, making it convenient to transport the gas to be treated to the purification component for operation, thus facilitating the use of gas treatment operations.

[0018] In a preferred embodiment, a connecting pipe is fixedly connected to the side of the purification component at the opposite end of the rear connecting pipe, and a control valve is provided on the side of the connecting pipe.

[0019] By adopting the above technical solution, the connecting pipe can be conveniently connected to the position of the connecting pipe, and the gas flow inside the connecting pipe can be conveniently controlled by the control valve, making it convenient for operators to control and use.

[0020] In a preferred embodiment, a connecting pipe is fixedly connected to the upper end of the connecting pipe, a connecting port is fixedly connected to the side of the connecting pipe, and a pressure gauge is provided at the upper end of the connecting pipe.

[0021] By adopting the above technical solution, the connecting pipe facilitates the connection of the connecting pipes, allowing adjacent connecting pipes to be used in a connected manner. It also facilitates the connection of other components through the connection port, gas transportation operations, and the observation of the gas pressure inside the connecting pipe through the use of a pressure gauge.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0023] In this application, during equipment use, a cooling box is used to facilitate the cooling of lead-zinc smelting tail gas entering the equipment, thereby preventing high-temperature tail gas from damaging the purification equipment and protecting the operational safety of structural components. During use, the lead-zinc smelting tail gas is connected to an internal circulation pipe. The multi-layered design of the internal circulation pipe within the cooling box facilitates cooling of the internal circulation pipe via water placed inside the cooling box, thereby reducing the temperature of the lead-zinc smelting tail gas within the internal circulation pipe and facilitating subsequent operations. The fixing plate secures the position of the internal circulation pipe within the cooling box, ensuring structural stability. A circulating pump circulates and extracts water from the cooling box and the water storage tank, ensuring the water temperature inside the cooling box remains at an operational level for convenient subsequent operations. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the low-energy lead-zinc smelting tail gas purification and recovery device of this application.

[0025] Figure 2 This is a side view of the lead-zinc smelting tail gas purification and recovery device in this application;

[0026] Figure 3 This is a schematic diagram of the internal structure of the cooling box in this application.

[0027] The markings in the diagram are: 1. Equipment base plate; 2. Connecting pipe; 3. Control valve; 4. Connecting pipe; 5. Pressure gauge; 6. Purification component; 7. Cooling box; 8. Circulating pump; 9. Water inlet; 10. Water storage tank; 11. External pipe; 12. Connection port; 13. Rear connecting pipe; 14. Auxiliary fan; 15. Rear connecting pipe; 16. Control panel; 17. Connecting component; 18. Internal circulation pipe; 19. Fixing plate. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] Example:

[0030] Reference Figure 1-3A low-energy lead-zinc smelting tail gas purification and recovery device includes a base plate 1. A cooling box 7 is fixedly connected to the upper end of the base plate 1. Multiple internal circulation pipes 18 are installed inside the cooling box 7. A fixing plate 19 is fixedly connected to the adjacent positions of the internal circulation pipes 18. The fixing plate 19 is bonded to the internal circulation pipes 18. A water storage tank 10 is fixedly connected to the side of the base plate 1. A circulation pump 8 is fixedly connected to the upper end of the water storage tank 10. The circulation pump 8 is connected to the cooling box 7 through a pipe. An external pipe 11 is fixedly connected to the side of the cooling box 7. During the use of the device, the cooling box 7 is used to facilitate the cooling of the lead-zinc smelting tail gas entering the device, thereby preventing high-temperature tail gas from damaging the purification equipment and protecting the operational safety of the structural components. During use, the lead-zinc smelting tail gas is connected to the internal circulation pipes 18. Then, through the multi-layer design of the internal circulation pipe 18 inside the cooling box 7, it is convenient to use the water set inside the cooling box 7 to cool the internal circulation pipe 18, thereby reducing the lead-zinc smelting tail gas inside the internal circulation pipe 18, thus facilitating subsequent operations. The fixing plate 19 can easily fix the position of the internal circulation pipe 18 inside the cooling box 7, thereby ensuring the stability of the structure. By using the circulation pump 8 to circulate and extract the water set inside the cooling box 7 and the water in the water storage tank 10, the water temperature inside the cooling box 7 is kept at the working state, which is convenient for subsequent operations.

[0031] Reference Figure 1-2 A connecting component 17 is provided on the side of the cooling box 7 opposite to the external pipe 11. The other end of the internal circulation pipe 18 is conveniently connected to the connecting component 17 and the external pipe 11. The connecting component 17 is convenient for connecting other components, so as to facilitate the transportation of lead-zinc smelting tail gas to the equipment for purification. Through the connection of the internal circulation pipe 18, the lead-zinc smelting tail gas enters the cooling box 7 from the connecting component 17, then connects to the auxiliary fan 14, and then goes to the subsequent purification equipment of the equipment.

[0032] Reference Figure 1-2 An auxiliary fan 14 is fixedly connected to the upper end of the equipment base plate 1, adjacent to the cooling box 7. The other end of the external pipe 11 is connected to the auxiliary fan 14. The auxiliary fan 14 facilitates the flow of lead-zinc smelting tail gas that needs to be purified, thereby facilitating subsequent purification operations. The external pipe 11 is connected to ensure the connection between structural components.

[0033] Reference Figure 1-2 The upper end of the water storage tank 10 is fixedly connected to the inlet 9 adjacent to the circulating pump 8. The side of the cooling box 7 is provided with an operating table 16 adjacent to the connecting component 17. The inlet 9 facilitates the filling of water into the water storage tank 10, which is convenient for cooling operations inside the cooling box 7. The operating table 16 facilitates the operation of the equipment by the staff and meets different operational needs.

[0034] Reference Figure 1-2 Multiple purification components 6 are installed at the upper end of the equipment base plate 1, adjacent to the auxiliary fan 14. A rear connecting pipe 15 is installed between the auxiliary fan 14 and the purification components 6. The rear connecting pipe 15 connects to the auxiliary fan 14. The purification components 6 facilitate the purification of gas and ensure the normal operation of the gas purification operation. The rear connecting pipe 15 facilitates the connection to the rear connecting pipe 13. The rear connecting pipe 15 connects to the auxiliary fan 14 to ensure the gas flow inside the equipment.

[0035] Reference Figure 1-2 Multiple rear connecting pipes 13 are fixedly connected to the side of the rear connecting pipe 15. The other end of the rear connecting pipe 13 away from the rear connecting pipe 15 is connected to the purification component 6. The rear connecting pipe 13 is convenient to connect to the position of the purification component 6, which facilitates the delivery of the gas to be treated to the purification component 6 for operation, and makes the gas treatment operation convenient.

[0036] Reference Figure 1-2 The side of the purification component 6 is fixedly connected to the connecting pipe 2 at the opposite end of the rear connecting pipe 13. The side of the connecting pipe 2 is provided with a control valve 3. The connecting pipe 2 can be conveniently connected to the position of the connecting pipe 4. By using the control valve 3, the gas flow inside the connecting pipe 2 can be conveniently controlled, making it convenient for staff to control and use.

[0037] Reference Figure 1-2 A connecting pipe 4 is fixedly connected to the upper end of the connecting pipe 2. A connecting port 12 is fixedly connected to the side of the connecting pipe 4. A pressure gauge 5 is provided at the upper end of the connecting pipe 4. The connecting pipe 4 is convenient to connect to the position of the connecting pipe 2, so that adjacent connecting pipes 2 can be connected and used. It is convenient to connect other components through the connecting port 12 for gas transportation operations. The pressure gauge 5 is convenient to observe the internal pressure of the connecting pipe 4.

[0038] The implementation principle of the low-energy lead-zinc smelting tail gas purification and recovery device embodiment of this application is as follows:

[0039] In the use of the equipment, the cooling box 7 facilitates the cooling of lead-zinc smelting tail gas entering the equipment, thereby preventing high-temperature tail gas from damaging the purification equipment and protecting the operational safety of structural components. During operation, the lead-zinc smelting tail gas is connected to the internal circulation pipe 18. The multi-layered design of the internal circulation pipe 18 within the cooling box 7 allows for the use of water within the cooling box 7 to cool the internal circulation pipe 18, thereby reducing the temperature of the lead-zinc smelting tail gas inside the internal circulation pipe 18 and facilitating subsequent operations. The fixing plate 19 secures the position of the internal circulation pipe 18 within the cooling box 7, ensuring structural stability. The circulating pump 8 circulates and extracts water from the cooling box 7 and the water storage tank 10, ensuring the water temperature inside the cooling box 7 remains within the operating range for subsequent operations. This structure ensures that the temperature of the lead-zinc smelting tail gas remains at a normal level during use, preventing high temperatures from affecting subsequent purification treatment, improving equipment operating efficiency, and facilitating operator control.

[0040] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A low-energy lead-zinc smelting tail gas purification and recovery device, including a base plate (1), characterized in that: A cooling box (7) is fixedly connected to the upper end of the equipment base plate (1). Multiple internal circulation pipes (18) are provided inside the cooling box (7). A fixing plate (19) is fixedly connected to the adjacent position of the internal circulation pipe (18). The fixing plate (19) is bonded to the internal circulation pipe (18). A water storage tank (10) is fixedly connected to the side of the equipment base plate (1). A circulation pump (8) is fixedly connected to the upper end of the water storage tank (10). The circulation pump (8) is connected to the cooling box (7) through a pipe. An external pipe (11) is fixedly connected to the side of the cooling box (7).

2. The low-energy lead-zinc smelting tail gas purification and recovery device as described in claim 1, characterized in that: The cooling box (7) has a connecting component (17) on the side opposite to the outer pipe (11), and the other end of the inner circulation pipe (18) is conveniently connected to the connecting component (17) and the outer pipe (11).

3. The low-energy lead-zinc smelting tail gas purification and recovery device as described in claim 1, characterized in that: An auxiliary fan (14) is fixedly connected to the upper end of the equipment base plate (1) at a position adjacent to the cooling box (7), and the other end of the external pipe (11) is connected to the auxiliary fan (14).

4. The low-energy lead-zinc smelting tail gas purification and recovery device as described in claim 1, characterized in that: The upper end of the water storage tank (10) is fixedly connected to the inlet (9) at the position adjacent to the circulating pump (8), and the side of the cooling box (7) is provided with an operating table (16) on the side adjacent to the connecting assembly (17).

5. The low-energy lead-zinc smelting tail gas purification and recovery device as described in claim 1, characterized in that: Multiple purification components (6) are arranged at the upper end of the equipment base plate (1) adjacent to the auxiliary fan (14). A rear connecting pipe (15) is arranged in the middle of the auxiliary fan (14) and the purification components (6), and the rear connecting pipe (15) is connected to the auxiliary fan (14).

6. The low-energy lead-zinc smelting tail gas purification and recovery device as described in claim 5, characterized in that: Multiple rear connecting pipes (13) are fixedly connected to the side of the rear connecting pipe (15), and the other end of the rear connecting pipe (13) away from the rear connecting pipe (15) is connected to the purification component (6).

7. The low-energy lead-zinc smelting tail gas purification and recovery device as described in claim 6, characterized in that: The side of the purification component (6) is fixedly connected to the connecting pipe (2) at the opposite end of the rear connecting pipe (13), and a control valve (3) is provided on the side of the connecting pipe (2).

8. The low-energy lead-zinc smelting tail gas purification and recovery device as described in claim 7, characterized in that: The upper end of the connecting pipe (2) is fixedly connected to the connecting pipe (4), the side of the connecting pipe (4) is fixedly connected to the connecting port (12), and the upper end of the connecting pipe (4) is provided with a pressure gauge (5).