CN217324349U

CN217324349U - Device for removing ash from horizontal smoke exhaust pipe of aluminum electrolysis cell

Info

Publication number: CN217324349U
Application number: CN202220401088.8U
Authority: CN
Inventors: 阮廷群; 韦金华; 邹启进; 邓卫贵; 申茂乾
Original assignee: Guangxi Tianlin Baikuang Aluminum Co ltd
Current assignee: Guangxi Tianlin Baikuang Aluminum Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-30
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a device that is used for horizontal smoke exhaust pipe deashing of aluminium cell, including compressed air entry, compression tuber pipe, compressed air export and dust absorption pipe, the compressed air entry pierces through to discharging fume intraductally by discharging fume the outside of tubes, the compression tuber pipe is located and discharges fume intraductally just the terminal cover of compressed air entry is established in the compression tuber pipe, the one end intercommunication compression tuber pipe and the compression air entry of dust absorption pipe cup joint the department, and the other end is located the intraductal dust top of discharging fume for the free end, the compressed air export is located the end of compression tuber pipe. The utility model discloses an installation forms the device that draws the effect of penetrating in horizontal smoke exhaust pipe, flows to smoke exhaust pipe in with very high speed from the nozzle at compressed air, forms the efflux, produces the entrainment and flows, because the air current is in high-speed and negative pressure zone appears, and the dust is inhaled by gas and gets into clean system behind the branch tobacco pipe.

Description

Device for removing ash from horizontal smoke exhaust pipe of aluminum electrolysis cell

Technical Field

The utility model relates to the technical field of aluminum electrolysis equipment, in particular to a device for cleaning ash of a horizontal smoke exhaust pipe of an aluminum electrolysis cell.

Background

The electrolytic flue gas is sent to a purification system through a horizontal smoke collecting pipeline, and when the flue gas passes through the horizontal smoke collecting pipeline, part of dust can be deposited and attached to a smoke exhaust pipeline, and the smoke exhaust pipeline becomes smaller and blocked as the smoke exhaust pipeline becomes thicker and thicker, so that the smoke exhaust pipeline is reduced and blocked, the smoke exhaust transportation is influenced, and part of the flue gas is diffused outwards to cause external environment pollution; while increasing the loss of alumina and fluoride emissions.

The cleaning work of the dust accumulation of the horizontal smoke exhaust pipe on the upper part of the existing electrolytic plant treatment tank is completed by blowing and sweeping through the compressed air in the manual grounding surface, but two persons can only clean one tank in the morning in cooperation, the labor amount is large, the use amount of the compressed air is large, the cost is high, and great potential safety hazards exist in the operation of climbing the upper part of the tank by workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: to the problem that above-mentioned exists, provide a device that is used for horizontal exhaust pipe deashing of aluminium cell, the utility model discloses an ash removal device mainly utilizes the ejector principle, and the installation forms the device that draws the effect in horizontal exhaust pipe, flows to exhaust pipe in compressed air flows out from the nozzle with very high speed, forms the efflux, produces to curl and inhales and flows, because the air current is in high-speed and negative pressure zone appears, the dust is inhaled by gas and gets into clean system behind a cigarette pipe.

In order to realize the purpose of the utility model, the utility model discloses a technical scheme as follows:

the utility model provides a device that is used for horizontal smoke exhaust pipe deashing of aluminium cell, includes compressed air entry, compression tuber pipe, compressed air export and dust absorption pipe, the compressed air entry pierces through to discharging fume intraductally by discharging fume the outside of tubes, the compression tuber pipe is located discharges fume intraductally just the end cover of compressed air entry is established in the compression tuber pipe, the one end intercommunication compression tuber pipe and the cup joint department of compressed air entry of dust absorption pipe, the other end is located the intraductal dust top of discharging fume for the free end, the compressed air export is located the end of compression tuber pipe.

Furthermore, the vertical smoke exhaust pipe of the compression air pipe penetrates into the compression air pipe and then bends to horizontally extend, and the dust suction pipe is communicated with the vertical part of the compression air pipe.

Furthermore, the dust suction pipe is provided with a plurality of dust suction pipes, each dust suction pipe faces different directions, and the tail end of each dust suction pipe is provided with a horn-shaped dust inlet.

Furthermore, the dust absorption pipe is branched into a plurality of branch pipes after extending out, and the branch pipes are hoses which are fixed on the lower half part of the smoke exhaust pipe side by side.

Furthermore, the part of the compressed air inlet sleeve, which is arranged inside the compressed air pipe, is in a cone shape with the inner diameter gradually reduced, the compressed air pipe communicated with the compressed air inlet is a negative pressure part, and the dust suction pipe is communicated with the negative pressure part.

Furthermore, the caliber of the compressed air outlet is contracted to be a sharp end.

Furthermore, a vibrator is arranged on the smoke exhaust pipe and is fixedly wound on the outer side wall of the smoke exhaust pipe.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the ash removing device of the utility model has simple operation, solves the problem of ash deposition and blockage in the horizontal smoke exhaust pipe in the production process, and simultaneously enhances the smoke purification effect; in the using process, other operations can be distributed, so that the working efficiency is greatly improved; the compressed air has stronger pressure, can clean dust attached in the smoke collecting pipe, and ensures the smooth of the horizontal smoke exhaust pipeline; the operation load of the air compressor unit is reduced, the energy consumption is reduced, and the labor intensity is reduced; the performance is safe and reliable when in use, the smoke in the groove does not emit outwards, and the environmental quality is also ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is one embodiment of a suction hose;

figure 3 is another embodiment of a suction hose.

In the attached drawings, a compressed air inlet 1, a compressed air pipe 2, a compressed air outlet 3, a dust suction pipe 4, dust 5 and a smoke exhaust pipe 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description will be given of preferred embodiments and further detailed description of the present invention. However, it should be noted that the numerous details set forth in the description are merely intended to provide a thorough understanding of one or more aspects of the invention, even though such aspects of the invention may be practiced without these specific details.

As shown in fig. 1, a device for cleaning ash of a horizontal smoke exhaust pipe of an aluminum electrolysis cell comprises a compressed air inlet, a compressed air pipe, a compressed air outlet and a dust suction pipe, wherein the compressed air inlet penetrates into the smoke exhaust pipe from the outside of the smoke exhaust pipe, the compressed air pipe is positioned in the smoke exhaust pipe, the tail end of the compressed air inlet is sleeved in the compressed air pipe, one end of the dust suction pipe is communicated with the sleeved part of the compressed air pipe and the compressed air inlet, the other end of the dust suction pipe is a free end and is positioned above dust in the smoke exhaust pipe, and the compressed air outlet is positioned at the tail end of the compressed air pipe. The device utilizes the ejector principle, installs the device that forms the injection effect in horizontal smoke exhaust pipe, in compressed air flows out to smoke exhaust pipe from the nozzle with very high speed, forms the efflux, produces the entrainment and flows, because the air current is in high-speed and a negative pressure zone appears, the dust is inhaled by gas and gets into clean system behind the branch tobacco pipe.

As shown in fig. 2, the vertical smoke exhaust pipe of the compression air pipe penetrates into the interior of the compression air pipe and then bends to horizontally extend, and the dust suction pipe is communicated with the vertical part of the compression air pipe; the dust absorption pipe is provided with a plurality of dust absorption pipes, each dust absorption pipe faces different directions, the tail end of each dust absorption pipe is provided with a horn-shaped dust inlet, and each dust absorption pipe can extend out of the plurality of dust inlets. When the compressed air is sprayed into the compressed air pipe at a high speed, a negative pressure area is formed in the compressed air pipe, the dust suction pipe is communicated with the negative pressure area, and dust is sucked into the dust suction pipe from the dust inlet and is blown out from the compressed air outlet together with the high-speed airflow.

As another aspect of the present application: as shown in fig. 3, the compressed air pipe penetrates into the inside of the smoke exhaust pipe and then bends to form a horizontal extension, the dust suction pipe is communicated with the vertical part of the compressed air pipe, and the dust suction pipe is branched into a plurality of branch pipes after extending out, and the branch pipes are hoses and are fixed on the lower half part of the smoke exhaust pipe side by side. The branch pipe is communicated with the negative pressure area, and the branch pipe is communicated to the position where dust is accumulated through the negative pressure area, so that dust is sucked and cleaned.

The part of the compressed air inlet sleeve, which is arranged inside the compressed air pipe, is in a cone shape with the inner diameter gradually reduced, the compressed air pipe communicated with the compressed air inlet is a negative pressure part, and the dust suction pipe is communicated with the negative pressure part to suck and clean dust. The caliber of the compressed air outlet is contracted to be a tip. The speed of the air flow can be increased.

The smoke exhaust pipe is provided with a vibrator which is fixedly wound on the outer side wall of the smoke exhaust pipe. When the dust is accumulated more, the dust in the smoke exhaust pipe is shaken to be loosened through the vibration of the vibrator, and then the loosened dust is sucked away through the negative pressure suction in the smoke exhaust pipe.

The utility model discloses an ash removal device mainly utilizes the ejector principle, and the installation forms the device that draws the effect in the horizontal smoke exhaust pipe, and in compressed air flowed to the smoke exhaust pipe from the nozzle with very high speed, formed the efflux, produced the entrainment and flowed, because the air current is in high-speed and a negative pressure zone appears, the dust was inhaled by gas and gets into clean system behind the branch tobacco pipe. The design principle of the device is as follows: the horizontal smoke exhaust pipe of the electrolytic cell is internally provided with the device, the horizontal smoke exhaust pipe back flushing port introduces the internal 10cm as an ejector, the horizontal smoke exhaust end extends for 5cm, the air outlet head is provided with a sharp nozzle, and the air flow rate is convenient to increase. The horizontal pipe communicated with the periphery is used as a dust absorption pipe, and the installation is completed. The compressed air is connected, and the compressed air is introduced to form an injection effect to roll up the dust settled at the bottom of the smoke pipe, so that the dust attached in the horizontal smoke exhaust pipe is sent to the main smoke collecting pipe and enters the purification system. The switch valve is arranged, when the device is used, the switch valve is manually operated for about 10 minutes, and the device can be cleaned twice per month in each tank, so that dust attached to the horizontal smoke exhaust pipe can be effectively cleaned.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A device for removing dust from a horizontal smoke exhaust pipe of an aluminum electrolysis cell is characterized by comprising a compressed air inlet, a compressed air pipe, a compressed air outlet and a dust suction pipe, wherein the compressed air inlet penetrates into a smoke exhaust pipe from the outside of the smoke exhaust pipe, the compressed air pipe is positioned in the smoke exhaust pipe, the tail end of the compressed air inlet is sleeved in the compressed air pipe, one end of the dust suction pipe is communicated with the sleeving part of the compressed air pipe and the compressed air inlet, the other end of the dust suction pipe is a free end and is positioned above dust in the smoke exhaust pipe, and the compressed air outlet is positioned at the tail end of the compressed air pipe.

2. The device for removing ash from the horizontal smoke exhaust pipe of the aluminum electrolysis cell according to claim 1, which is characterized in that: the vertical smoke exhaust pipe of the compression air pipe penetrates into the compression air pipe and then bends to horizontally extend, and the dust suction pipe is communicated with the vertical part of the compression air pipe.

3. The device for cleaning ash of the horizontal smoke exhaust pipe of the aluminum electrolysis cell according to claim 2, which is characterized in that: the dust absorption pipe is equipped with a plurality ofly, and each dust absorption pipe is towards different directions, and the tip of this dust absorption pipe is equipped with tubaeform dust entry.

4. The device for cleaning ash of the horizontal smoke exhaust pipe of the aluminum electrolysis cell according to claim 2, which is characterized in that: the dust absorption pipe is branched into a plurality of branch pipes after extending out, and the branch pipes are hoses which are fixed at the lower half part of the smoke exhaust pipe side by side.

5. The device for cleaning ash of the horizontal smoke exhaust pipe of the aluminum electrolysis cell according to claim 3 or 4, wherein: the part of the compressed air inlet sleeve, which is arranged inside the compressed air pipe, is in a cone shape with the inner diameter gradually reduced, the compressed air pipe communicated with the compressed air inlet is a negative pressure part, and the dust suction pipe is communicated with the negative pressure part.

6. The device for cleaning ash of the horizontal smoke exhaust pipe of the aluminum electrolysis cell according to claim 5, which is characterized in that: the caliber of the compressed air outlet is contracted to be a tip.

7. The device for cleaning ash of the horizontal smoke exhaust pipe of the aluminum electrolysis cell according to claim 1, which is characterized in that: the smoke exhaust pipe is provided with a vibrator, and the vibrator is fixedly wound on the outer side wall of the smoke exhaust pipe.