CN211177995U - Energy-concerving and environment-protective type secondary lead retrieves smelting device - Google Patents

Abstract

The utility model relates to an energy-saving and environment-friendly regenerated lead recovery and smelting device, comprising a smelting furnace, a tail gas pipe is connected to the top of the smelting furnace, a heat exchange cylinder is sheathed on the exhaust pipe, and a heat-conducting pipe is installed in the heat exchange cylinder The outer side of the heat conduction pipe is provided with heat conduction fins, the right end of the exhaust pipe is installed with a bag filter, the bottom of the bag filter is connected with a particle collection bucket, and the particle collection bucket and the bag filter are sealed by a buckle ring A fan is installed at the right end of the bag filter, a purification tower is connected to the right end of the fan through a connecting pipe, a separation block is arranged in the inner cavity of the purification tower, and an air cavity is arranged at the bottom of the inner cavity of the separation block, and the The air cavity is communicated with the connecting pipe, the air cavity is provided with air holes on the top, the structure is simple, and the design is reasonable, which can purify and recover the energy of the gas produced by lead smelting, and at the same time improve the energy recovery rate and protect the gas purification device. quality.

Description

An energy-saving and environment-friendly recycled lead recovery and smelting device

technical field

The utility model relates to an energy-saving and environment-friendly regenerated lead recovery and smelting device, which belongs to the technical field of smelting devices.

Background technique

At present, high-temperature smelting and electrolysis are used to recover lead at home and abroad. The lead recovery rate of high-temperature smelting is only about 80%, and the remaining 20% is the lead vapor volatilized into the air to cause air pollution, or discharged from the smelting furnace smoke outlet. The high-temperature flue gas is collected by the bag filter, and the high-temperature lead-containing gas is collected directly through the bag filter, which may easily damage the bag filter; in addition, the direct discharge of high-temperature flue gas will cause heat pollution and waste of heat.

Utility model content

The technical problem to be solved by the utility model overcomes the existing defects, and provides an energy-saving and environment-friendly recycled lead recovery and smelting device. By setting a heat exchange cylinder, the heat in the gas can be recovered, and the heat conduction fins and the heat conduction pipes can improve the recovery. Therefore, it can protect the bag filter, avoid damage to the bag filter caused by high temperature, and affect the service life. By setting a particle collection bucket, the particles in the gas can be recovered, while ensuring the sealing of the purification process and avoiding gas leakage. It is harmful to the health of workers, and at the same time, it is convenient to seal and transport the collected particles to avoid pollution. By setting a separation block, the gas and the purification liquid can be fully contacted, thereby improving the purification effect. Meeting the emission requirements can effectively solve the problems in the background art.

In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions:

An energy-saving and environment-friendly regenerated lead recovery and smelting device, comprising a smelting furnace, a tail gas pipe is connected to the top of the smelting furnace, a heat exchange cylinder is sleeved on the exhaust gas pipe, a heat-conducting pipe is installed in the heat-exchanging cylinder, and the heat-conducting pipe is installed in the heat exchange cylinder. A heat-conducting fin is arranged on the outside of the pipe, a bag filter is installed at the right end of the exhaust pipe, a particle collection bucket is connected to the bottom of the bag filter, and the particle collection bucket and the bag filter are sealed and connected by a buckle ring. A fan is installed on the right end of the bag filter, and a purification tower is connected to the right end of the fan through a connecting pipe. A separation block is arranged in the inner cavity of the purification tower, and an air cavity is arranged at the bottom of the inner cavity of the separation block, and the air cavity is connected with the connection pipe. The pipes are connected, the top of the air cavity is provided with air holes, and the air holes penetrate through the top of the separation block, a circulation pipe is installed on the right side of the purification tower, a circulation pump is installed on the circulation pipe, and the top of the circulation pipe is connected with a fixed The fixed pipe is fixedly installed in the purification tower, the bottom of the fixed pipe is provided with a spray head, and the purification tower is provided with a purification liquid.

Further, the heat exchange cylinder and the exhaust pipe are in a sealed connection, the heat transfer pipe is sleeved on the exhaust pipe, and a drain pipe and a water inlet pipe are respectively installed on the top and bottom of the heat exchange cylinder.

Further, the particle collection bucket is a sealing body.

Further, the separation block and the bottom end of the circulation pipe are both arranged below the liquid level of the purified liquid.

Further, the fixed pipe is arranged perpendicular to the axis of the purification tower.

Further, an air outlet is installed at the top of the purification tower, and a purification liquid replacement port is installed at the bottom of the purification tower.

Beneficial effects of the utility model:

1. By setting the heat exchange cylinder, the heat in the gas can be recovered, and the heat conduction fins and the heat conduction pipes can improve the recovery efficiency, so as to protect the bag filter and avoid high temperature damage to the bag filter and affect the service life;

2. By setting up a particle collection bucket, the particles in the gas can be recovered, and at the same time, the sealing of the purification process can be ensured, so as to avoid gas leakage and harm to the health of workers, and at the same time, the collected particles can be conveniently sealed and transported to avoid pollution;

3. By setting the separation block, the gas and the purification liquid can be fully contacted, so as to improve the purification effect, and then spray through the nozzle to meet the discharge requirements.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

FIG. 1 is a schematic structural diagram of an energy-saving and environment-friendly regenerated lead recovery and smelting device of the present invention.

Figure 2 is a cross-sectional view of a heat exchange cylinder of an energy-saving and environmentally-friendly recycled lead recovery and smelting device of the present invention.

Figure 3 is a structural diagram of the connection between a bag filter and a particle collection bucket of an energy-saving and environmentally friendly recycled lead recovery and smelting device of the present invention.

4 is a cross-sectional view of a separation block of an energy-saving and environmentally-friendly recycled lead recovery and smelting device of the present invention.

Labels in the figure: 1, smelting furnace; 2, exhaust pipe; 3, heat exchange cylinder; 4, heat conduction pipe; 5, heat conduction fin; 6, bag filter; 7, particle collection barrel; 8, fan; 9, purification Tower; 10, separation block; 11, air cavity; 12, air hole; 13, circulation pipe; 14, circulation pump; 15, fixed pipe; 16, nozzle; 17, purification liquid; 18, air outlet; 19, purification liquid replacement mouth.

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

Example 1:

As shown in Figures 1-4, an energy-saving and environment-friendly recycled lead recovery and smelting device includes a smelting furnace 1, the top of the smelting furnace 1 is connected with a tail gas pipe 2, and a heat exchange cylinder 3 is sleeved on the tail gas pipe 2, which can The heat in the gas is recovered, and the heat-conducting fins 5 and the heat-conducting pipes 4 improve the recovery efficiency, so as to protect the bag filter 6 and prevent the high temperature from causing damage to the bag filter 6 and affecting the service life. 3. A heat-conducting pipe 4 is installed inside, and heat-conducting fins 5 are arranged on the outside of the heat-conducting pipe 4. A bag filter 6 is installed at the right end of the exhaust pipe 2. The particles in the gas are recovered, and at the same time, the sealing of the purification process is ensured, so as to avoid gas leakage and cause harm to the health of workers. At the same time, it is convenient to seal the collected particles and transport them to avoid pollution. The particle collection bucket 7 and the bag filter 6 They are sealed and connected by a retaining ring. A fan 8 is installed on the right end of the bag filter 6, and a purification tower 9 is connected to the right end of the fan 8 through a connecting pipe. The inner cavity of the purification tower 9 is provided with a separation block 10, which can make the gas It is fully contacted with the purification liquid 17 to improve the purification effect, and then sprayed by the nozzle 16 to meet the discharge requirements. The separation block 10 is provided with an air cavity 11 at the bottom of the inner cavity, and the air cavity 11 is connected to the The top of the air cavity 11 is provided with an air hole 12, and the air hole 12 penetrates the top of the separation block 10, a circulation pipe 13 is installed on the right side of the purification tower 9, and a circulation pump 14 is installed on the circulation pipe 13, A fixed pipe 15 is connected to the top of the circulation pipe 13 , and the fixed pipe 15 is fixedly installed in the purification tower 9 .

More specifically, the heat exchange cylinder (3) is sealed with the exhaust pipe (2), the heat transfer pipe (4) is sleeved on the exhaust pipe (2), and the top of the heat exchange cylinder (3) is connected to the exhaust pipe (2). A drain pipe and a water inlet pipe are respectively installed at the bottom, the particle collection bucket (7) is a sealing body, and the bottom ends of the separation block (10) and the circulation pipe (13) are both arranged below the liquid level of the purification liquid (17), The fixed pipe (15) is arranged perpendicular to the axis of the purification tower (9), an air outlet (18) is installed at the top of the purification tower (9), and a purification liquid replacement port (19) is installed at the bottom of the purification tower (9). ).

Embodiment 2:

The fixed pipe 15 can also be configured as a spiral brick structure, so as to improve the effect of spraying.

The working principle of the utility model: the gas generated by lead smelting enters the tail gas pipe 2 through the top of the smelting furnace 1, the energy carried by the gas is recovered through the heat exchange cylinder 3, and the particles in the gas are intercepted and filtered by the bag filter 6, and the particles The particles fall into the particle collection barrel 7 for sealed collection, enter the purification tower 9 through the connecting pipe, fully contact with the purification liquid 17 through the separation block 10, and spray through the spray head 16 to achieve the effect of discharge.

The above are the preferred embodiments of the present invention. Those skilled in the art can also make changes and modifications to the above-mentioned embodiments. Therefore, the present invention is not limited to the above-mentioned specific embodiments. Any obvious improvement, replacement or modification made on the basis of the present invention belongs to the protection scope of the present invention.

Claims (6)

1. The utility model provides an energy-concerving and environment-protective type secondary lead retrieves smelting device, includes smelting furnace (1), its characterized in that: the smelting furnace is characterized in that a tail gas pipe (2) is connected to the top of the smelting furnace (1), a heat exchange cylinder (3) is sleeved on the tail gas pipe (2), a heat conduction pipe (4) is installed in the heat exchange cylinder (3), a heat conduction fin (5) is arranged on the outer side of the heat conduction pipe (4), a bag-type dust collector (6) is installed at the right end of the tail gas pipe (2), a particle collection barrel (7) is connected to the bottom of the bag-type dust collector (6), the particle collection barrel (7) is in sealing connection with the bag-type dust collector (6) through a snap ring, a fan (8) is installed at the right end of the bag-type dust collector (6), the right end of the fan (8) is connected with a purification tower (9) through a connecting pipe, a separation block (10) is arranged in the inner cavity of the purification tower (9), a gas cavity (11), and the air hole (12) runs through the top of the separation block (10), the circulating pipe (13) is installed on the right side of the purification tower (9), the circulating pipe (13) is provided with the circulating pump (14), the top end of the circulating pipe (13) is connected with the fixed pipe (15), the fixed pipe (15) is fixedly installed in the purification tower (9), the bottom of the fixed pipe (15) is provided with the spray head (16), and the purification tower (9) is internally provided with the purified liquid (17).

2. The energy-saving and environment-friendly secondary lead recovery smelting device according to claim 1, characterized in that: the heat exchange tube (3) is connected with the tail gas tube (2) in a sealing mode, the heat conduction tube (4) is sleeved on the tail gas tube (2), and the top and the bottom of the heat exchange tube (3) are provided with a water drainage tube and a water inlet tube respectively.

3. The energy-saving and environment-friendly secondary lead recovery smelting device according to claim 1, characterized in that: the particle collecting barrel (7) is a sealing body.

4. The energy-saving and environment-friendly secondary lead recovery smelting device according to claim 1, characterized in that: the bottom ends of the separation block (10) and the circulating pipe (13) are both arranged below the liquid level of the purified liquid (17).

5. The energy-saving and environment-friendly secondary lead recovery smelting device according to claim 1, characterized in that: the fixed pipe (15) is arranged perpendicular to the axis of the purification tower (9).

6. The energy-saving and environment-friendly secondary lead recovery smelting device according to claim 1, characterized in that: an air outlet (18) is installed at the top end of the purification tower (9), and a purification liquid replacing opening (19) is arranged at the bottom of the purification tower (9).

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