Lead zinc ore hydrometallurgy waste residue recycling device

Abstract

The utility model relates to the technical field of waste residue treatment, and discloses a lead zinc ore hydrometallurgy waste residue recycling device. The waste residue recycling device comprises a waste residue recycling device body, the upper end of the waste residue recycling device body communicates with an exhaust pipe, one end of the exhaust pipe is provided with a heat preservation barrel, the two sides of the outer surface of the heat preservation barrel are provided with supporting frames, the lower ends of the supporting frames are provided with a water tank, one side of the upper end of the water tank communicates with a water inlet pipe, and the other end of the water inlet pipe is provided with a heating pipe; one end of the water outlet pipe is communicated with the water tank, one side of the lower end of the water tank is communicated with a water inlet pipe, the other side of the lower end of the water tank is communicated with a water drainage pipe, one end of the heat preservation barrel is communicated with a gas conveying pipe, one end of the gas conveying pipe is communicated with a washing tower, and the lower end of the washing tower is communicated with a liquid drainage pipe. And the heating pipe can exchange heat in the flue gas, so that the energy utilization efficiency is improved, the energy consumption in the waste residue treatment process is reduced, and the production cost is reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of waste residue treatment, and specifically relates to a device for recycling waste residue from wet smelting of lead and zinc ore. Background Art

[0002] With the development of the lead-zinc hydrometallurgical smelting industry, the generation of large amounts of waste slag has become a prominent problem. This waste slag contains heavy metals such as lead and zinc, as well as other harmful substances. If not properly handled, it can cause serious pollution to the soil, water bodies, and the atmosphere.

[0003] Metals like lead and zinc contained in waste residue still have high recycling value. Effective extraction can reduce reliance on primary mineral resources. From an economic perspective, recycling waste residue can create additional economic benefits. Furthermore, the development of the waste residue recycling industry can drive the coordinated development of related industrial chains, creating employment opportunities and economic growth points, while promoting sustainable resource utilization and sustainable economic development while also protecting the environment.

[0004] However, the flue gas generated during the recycling process will contain heat, and if it is not reused, it will waste resources. Utility Model Content

[0005] The purpose of this application is to provide a lead-zinc ore wet smelting waste slag recycling device in order to solve the problem that the flue gas generated in the above-mentioned recycling process carries heat and is not reused, thereby wasting resources.

[0006] The technical solution adopted in this application is as follows: a lead-zinc ore wet smelting waste slag recycling and utilization device, comprising a waste slag recycling and utilization device main body, the upper end of the waste slag recycling and utilization device main body is connected with an exhaust pipe, one end of the exhaust pipe is provided with an insulation barrel, support frames are provided on both sides of the outer surface of the insulation barrel, a water tank is provided at the lower end of the support frame, one side of the upper end of the water tank is connected with a water inlet pipe, the other end of the water inlet pipe is provided with a heating pipe, the other end of the heating pipe is connected with a water outlet pipe, the heating pipe is arranged inside the insulation barrel, a section of the exhaust pipe is arranged inside the heating pipe, the heating pipe abuts against the exhaust pipe, one end of the water outlet pipe is connected with the water tank, one side of the lower end of the water tank is connected with a water inlet pipe, the other side of the lower end of the water tank is connected with a drain pipe, one end of the insulation barrel is connected with an air supply pipe, one end of the air supply pipe is connected with a washing tower, and the lower end of the washing tower is connected with a drain pipe.

[0007] By adopting the above technical solution and the above design, the heating pipe can exchange heat in the flue gas, improve energy utilization efficiency, reduce energy consumption in the waste residue treatment process, and reduce production costs.

[0008] In a preferred embodiment, the outer surface of the exhaust pipe is wrapped with a thermal insulation sleeve.

[0009] By adopting the above technical solution, the exhaust pipe can be insulated by the insulation sleeve to avoid heat loss when the flue gas reaches the insulation barrel, thereby ensuring heat utilization efficiency and reducing costs.

[0010] In a preferred embodiment, a cavity is formed on the inner wall of the heat-insulating barrel.

[0011] By adopting the above technical solution, the heat preservation barrel can be kept warm through the cavity, thereby reducing heat loss and improving heat utilization efficiency.

[0012] In a preferred embodiment, a cold water chamber is opened on one side of the interior of the water tank, and a hot water chamber is opened on the other side of the interior of the water tank, an insulation board is provided between the cold water chamber and the hot water chamber, a water pump is installed inside the cold water chamber, and the water inlet pipe is provided at one end of the water pump, the water inlet pipe is connected to the cold water chamber, and the water outlet pipe and the drain pipe are connected to the drain pipe.

[0013] By adopting the above technical solution, the hot water chamber can be insulated by the insulation board, thereby reducing heat loss, improving hot water utilization efficiency and reducing costs.

[0014] In a preferred embodiment, a demisting layer is provided at the upper end of the washing tower, a plurality of spray heads are installed inside the washing tower, an infusion tube is connected between the spray heads, a treatment liquid storage box is provided at one end of the infusion tube, and a packing layer is provided inside the washing tower.

[0015] By adopting the above technical solution, the flue gas enters the interior of the washing tower from the gas pipe. After the flue gas passes through the packing layer, the liquid infusion pipe transports the reaction liquid to the spray head for spray reaction on the flue gas to remove harmful substances. The flue gas then enters the demisting layer for demisting and is finally discharged into the air. The treatment device is concentrated in one tower, saving space.

[0016] In a preferred embodiment, a leakage collection box corresponding to the drain pipe is provided at the lower end of the washing tower.

[0017] By adopting the above technical solution, if there is liquid leakage at the drain pipe, the leaked liquid collection box can collect the leaked liquid to prevent it from polluting the environment, thereby protecting the environment and improving environmental protection.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0019] 1. The heating tube can exchange the heat in the flue gas and transfer the heat to the cold water, so that it can be converted into hot water for heating and other tasks, thereby improving energy utilization efficiency, reducing energy consumption in the waste residue treatment process, and reducing production costs.

[0020] 2. The flue gas enters the interior of the scrubbing tower from the gas pipe. After the flue gas passes through the packing layer, the liquid delivery pipe transports the reaction liquid to the spray head to spray the flue gas to remove harmful substances. The flue gas then enters the demisting layer for demisting and is then discharged into the air to improve environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front structure of the waste residue and waste gas treatment device in this application;

[0022] Figure 2 This is a schematic diagram of the side structure of the waste residue and waste gas treatment device in this application;

[0023] Figure 3 This is a schematic diagram of the planar structure of the water tank in this application;

[0024] Figure 4 This is a schematic diagram of the internal structure of the thermos barrel in this application;

[0025] Figure 5 This is a schematic diagram of the planar structure of the washing tower in this application.

[0026] Markings in the figure: 1. Main body of the waste residue recycling device; 2. Exhaust pipe; 3. Water inlet pipe; 4. Insulation barrel; 5. Support frame; 6. Water outlet pipe; 7. Gas pipe; 8. Washing tower; 9. Drain pipe; 10. Leakage collection box; 11. Water tank; 12. Drain pipe; 13. Water inlet pipe; 14. Treatment liquid storage box; 15. Infusion pipe; 16. Water pump; 17. Cold water chamber; 18. Insulation board; 19. Hot water chamber; 20. Insulation sleeve; 21. Cavity; 22. Heating pipe; 23. Demisting layer; 24. Filling layer; 25. Sprinkler head. DETAILED DESCRIPTION

[0027] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, 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 part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] Reference Figure 1-5A lead-zinc ore hydrometallurgical smelting waste slag recycling device includes a waste slag recycling device body 1, the upper end of the waste slag recycling device body 1 is connected to an exhaust pipe 2, one end of the exhaust pipe 2 is provided with an insulation barrel 4, the outer surface of the insulation barrel 4 is provided with support frames 5 on both sides, the lower end of the support frame 5 is provided with a water tank 11, the upper end of the water tank 11 is connected to a water inlet pipe 3, the other end of the water inlet pipe 3 is provided with a heating pipe 22, the other end of the heating pipe 22 is connected to a water outlet pipe 6, the heating pipe 22 is provided inside the insulation barrel 4, and a section of the exhaust pipe 2 is provided Inside the heating pipe 22, the heating pipe 22 is in contact with the exhaust pipe 2, one end of the water outlet pipe 6 is connected to the water tank 11, one side of the lower end of the water tank 11 is connected to the water inlet pipe 13, the other side of the lower end of the water tank 11 is connected to the drain pipe 12, one end of the insulation barrel 4 is connected to the gas pipe 7, one end of the gas pipe 7 is connected to the washing tower 8, and the lower end of the washing tower 8 is connected to the drain pipe 9. Through the above design, the heating pipe 22 can exchange heat in the flue gas, improve energy utilization efficiency, reduce energy consumption in the waste residue treatment process, and reduce production costs.

[0029] Reference Figure 4 The outer surface of the exhaust pipe 2 is wrapped with an insulation sleeve 20, which can insulate the exhaust pipe 2 to prevent the loss of heat when the flue gas reaches the insulation barrel 4, thereby ensuring heat utilization efficiency and reducing costs.

[0030] Reference Figure 4 The inner wall of the heat preservation barrel 4 is provided with a cavity 21, through which the heat preservation barrel 4 can be kept warm, thereby reducing heat loss and improving heat utilization efficiency.

[0031] Reference Figure 3 A cold water chamber 17 is provided on one side of the water tank 11, and a hot water chamber 19 is provided on the other side of the water tank 11. An insulation board 18 is provided between the cold water chamber 17 and the hot water chamber 19. A water pump 16 is installed inside the cold water chamber 17. A water inlet pipe 3 is provided at one end of the water pump 16. The water inlet pipe 13 is connected to the cold water chamber 17, and the water outlet pipe 6 and the drain pipe 12 are connected to the drain pipe 9. The hot water chamber 19 can be insulated by the insulation board 18, thereby reducing heat loss, improving hot water utilization efficiency, and reducing costs.

[0032] Reference Figure 1-2 and Figure 5A demisting layer 23 is provided at the upper end of the washing tower 8, and several spray heads 25 are installed inside the washing tower 8. The spray heads 25 are connected by a liquid infusion pipe 15, and a treatment liquid storage box 14 is provided at one end of the liquid infusion pipe 15. A packing layer 24 is provided inside the washing tower 8. The flue gas enters the inside of the washing tower 8 from the gas pipe 7. After the flue gas passes through the packing layer 24, the liquid infusion pipe 15 transports the reaction liquid to the spray head 25 for spray reaction on the flue gas to remove harmful substances, and then enters the demisting layer 23 for demisting, and then is discharged into the air, concentrating the treatment device in one tower, saving space.

[0033] Reference Figure 1-2 The lower end of the washing tower 8 is provided with a leakage collection box 10 corresponding to the drain pipe 9. If there is leakage at the drain pipe 9, the leakage collection box 10 can collect the leaked liquid to prevent it from polluting the environment, thereby protecting the environment and improving environmental protection.

[0034] The implementation principle of the embodiment of the lead-zinc ore hydrometallurgical waste slag recycling device of the present application is as follows:

[0035] When the main body 1 of the waste residue recycling device is working, the flue gas is transported from the exhaust pipe 2 to the inside of the insulation barrel 4, and the cold water inside the cold water chamber 17 is transported from the water inlet pipe 3 to the inside of the heating pipe 22 through the water pump 16, and then the heat in the flue gas will be exchanged into the cold water inside the heating pipe 22, and then the cold water will be converted into hot water, and transported to the inside of the hot water chamber 19 through the outlet pipe 6 for storage and use. The flue gas after heat exchange is transported to the inside of the washing tower 8 through the gas pipe 7. After the flue gas passes through the packing layer 24, the liquid infusion pipe 15 transports the reaction liquid to the spray head 25 to spray the flue gas for reaction to remove harmful substances, and then enters the demisting layer 23 for demisting, and then is discharged into the air, completing the environmental protection treatment of the flue gas.

[0036] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A lead-zinc ore hydrometallurgical smelting waste slag recycling device, comprising a waste slag recycling device body (1), characterized in that: The upper end of the waste residue recycling device body (1) is connected to an exhaust pipe (2), one end of the exhaust pipe (2) is provided with a heat preservation barrel (4), both sides of the outer surface of the heat preservation barrel (4) are provided with support frames (5), the lower end of the support frame (5) is provided with a water tank (11), one side of the upper end of the water tank (11) is connected to a water inlet pipe (3), the other end of the water inlet pipe (3) is provided with a heating pipe (22), the other end of the heating pipe (22) is connected to a water outlet pipe (6), and the heating pipe (22) is provided inside the heat preservation barrel (4). A section of the exhaust pipe (2) is arranged inside the heating pipe (22), the heating pipe (22) is in contact with the exhaust pipe (2), one end of the water outlet pipe (6) is connected to the water tank (11), one side of the lower end of the water tank (11) is connected to the water inlet pipe (13), the other side of the lower end of the water tank (11) is connected to the drain pipe (12), one end of the heat preservation barrel (4) is connected to the air supply pipe (7), one end of the air supply pipe (7) is connected to the washing tower (8), and the lower end of the washing tower (8) is connected to the drain pipe (9).

2. The lead-zinc ore hydrometallurgical waste slag recycling device according to claim 1, characterized in that: The outer surface of the exhaust pipe (2) is wrapped with a heat-insulating sleeve (20).

3. The lead-zinc ore hydrometallurgical waste slag recycling device according to claim 1, characterized in that: The inner wall of the heat-insulating barrel (4) is provided with a cavity (21).

4. The lead-zinc ore hydrometallurgical waste slag recycling device according to claim 1, characterized in that: A cold water chamber (17) is provided on one side of the water tank (11), and a hot water chamber (19) is provided on the other side of the water tank (11). An insulation board (18) is provided between the cold water chamber (17) and the hot water chamber (19). A water pump (16) is installed inside the cold water chamber (17). One end of the water pump (16) is provided with the water inlet pipe (3). The water inlet pipe (13) is connected to the cold water chamber (17), and the water outlet pipe (6) and the drain pipe (12) are connected to the drain pipe (9).

5. The lead-zinc ore hydrometallurgical waste slag recycling device according to claim 1, characterized in that: The upper end of the washing tower (8) is provided with a demisting layer (23), a plurality of spray heads (25) are installed inside the washing tower (8), a liquid infusion tube (15) is connected between the spray heads (25), a treatment liquid storage box (14) is provided at one end of the liquid infusion tube (15), and a packing layer (24) is provided inside the washing tower (8).

6. The lead-zinc ore hydrometallurgical waste slag recycling device according to claim 1, characterized in that: The lower end of the washing tower (8) is provided with a leakage collection box (10) corresponding to the drainage pipe (9).

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