CN218821700U

CN218821700U - Smelting heat and smoke dust collecting and processing device for submerged arc furnace

Info

Publication number: CN218821700U
Application number: CN202221752346.3U
Authority: CN
Inventors: 赵楚; 林文武; 陶开文
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-04-07
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a device for collecting and processing heat and smoke dust of ore-smelting furnace, which comprises a track, a movable trolley, a dust hood, a smoke tube and a fan; the track is fixedly arranged in a trench dug in the ground of the submerged arc furnace smelting plant; the dust hood is hung in the smelting plant of the submerged arc furnace through a dust hood mounting truss; one end of the smoke tube is connected with the dust collection cover, and the other end of the smoke tube is arranged at the fan. This hot stove in ore deposit smelts heat, smoke and dust and collects processing apparatus and can transport the platform package to the assigned position through track and mobile trolley, through installing dust cage and tobacco pipe in assigned position department, utilizes the fan to carry out the quick siphon away to the heat and the smoke and dust that can give off in concise or the cooling process to reach protection operating personnel operational environment and healthy, reduce the potential safety hazard, carry out the purpose of safety in production. In addition, because the reinforced suction plate is arranged in the dust hood, when the height difference between the dust hood and the table bag is larger, the opening at the bottom of the dust hood still has larger suction force, and heat and smoke dust are quickly sucked away.

Description

Smelting heat and smoke dust collecting and processing device for submerged arc furnace

Technical Field

The utility model relates to a hot stove in ore deposit smelts factory building environmental protection device, in particular to hot stove in ore deposit smelts heat, smoke and dust collection processing apparatus.

Background

Molten metal after smelting in the submerged arc furnace needs to be refined or cooled in the platform, and a large amount of heat and smoke can be emitted in a submerged arc furnace smelting plant in the process. The emitted heat causes energy loss, heat energy is easy to form radiation on human bodies, the emitted smoke causes air pollution of the internal environment of the submerged arc furnace smelting workshop, and the smoke enters into the bodies of operators through respiratory tracts, so that the operators can suffer from occupational diseases; in addition, the smoke dust causes the visibility in the submerged arc furnace smelting plant to be reduced, and potential safety hazards are buried for production operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hot stove in ore deposit smelts heat, smoke and dust collection processing apparatus, smelt heat, smoke and dust collection processing apparatus through this hot stove in ore deposit and carry out the quick siphoning away to the heat and the smoke and dust that can give off in concise or the cooling journey to reach protection operating personnel operation environment and healthy, reduce the potential safety hazard, carry out the purpose of safety in production.

The utility model adopts the technical proposal that:

a device for collecting and processing smelting heat and smoke dust of an ore smelting furnace comprises a track, a movable trolley, a dust collection cover, a smoke pipe and a fan; the track is fixedly arranged in a trench dug in the ground of the submerged arc furnace smelting plant and is arranged from the position of a submerged arc furnace mouth to the installation position of the dust collecting cover in an extending way; the dust hood is hung in a smelting plant of the submerged arc furnace through a dust hood mounting truss, the bottom of the dust hood is open, and the top of the dust hood is communicated with one end of a smoke pipe; the other end of the smoke tube is arranged at a fan which is connected with a heat smoke dust recovery pipeline; the bottom of the movable trolley is provided with a travelling wheel which can move on the rail through the travelling wheel, the top of the movable trolley is a bedplate for placing a trolley bag, and the trolley bag can reach the bottom opening of the dust collection cover through the movement of the movable trolley on the rail; the front end of the mobile trolley is also provided with a winch, a steel wire rope is wound on the winch, and the end of the steel wire rope is fixed at the end of one side of the trench close to the dust collection cover.

Furthermore, a plurality of sets of the submerged arc furnace smelting heat and smoke dust collecting and processing devices are arranged in the submerged arc furnace smelting plant, and the submerged arc furnace smelting heat and smoke dust collecting and processing devices share one fan.

Furthermore, a reinforced suction plate is arranged at the bottom in the dust hood, and a plurality of connecting rib plates fixedly connected with the inner wall of the dust hood are arranged at the outer edge of the reinforced suction plate; a plurality of smoke dust channels are formed between the reinforced suction plate and the inner wall of the dust collection cover.

Further, a motor of the fan is provided with a frequency converter, and a fan rotating speed controller is connected with the motor of the fan through the frequency converter; the side wall of the trench below the dust hood is also pre-buried with a trolley in-place detector, the trolley in-place detector is connected with a fan rotating speed controller, and the fan rotating speed controller detects a moving trolley in-place signal through the trolley in-place detector.

The utility model has the advantages that:

1. this hot stove in ore deposit smelts heat, smoke and dust and collects processing apparatus and can transport the platform package to the assigned position through track and mobile trolley, through installing dust cage and tobacco pipe in assigned position department, utilizes the fan to carry out quick the siphoning away to heat and the smoke and dust that can give off in concise or the cooling process to reach protection operating personnel operation environment and healthy, reduce the potential safety hazard, carry out safety in production's purpose.

2. The reinforced suction plate is arranged in the dust hood of the submerged arc furnace smelting heat and smoke dust collecting and processing device, and when the height difference between the dust hood and the platform bag is large, the bottom opening of the dust hood still has large suction force, so that heat and smoke dust are quickly sucked away.

3. This hot stove in ore deposit smelts heat, smoke and dust collection processing apparatus still is equipped with fan speed controller and platform truck detector that targets in place, when the platform truck detector that targets in place does not detect the removal platform truck and reachs the assigned position, the steerable fan low-speed operation of fan speed controller, guarantee that the hot stove in ore deposit smelts the air in the factory building and flow, when the platform truck detector that targets in place detects the removal platform truck and reachs the assigned position, fan speed controller control fan high-speed operation, in order to reach the purpose of carrying out quick the getting rid of to the heat that can give off in concise or the cooling process and smoke and dust.

Drawings

FIG. 1 is a schematic view of the overall layout structure of the present invention;

fig. 2 and 3 are schematic views of the installation position of the reinforced suction plate of the present invention;

in the drawings 1-3, 1-track, 2-mobile trolley, 3-dust cage, 4-smoke tube, 5-fan, 6-trench, 7-dust cage installation truss, 8-heat smoke and dust recovery pipeline, 9-walking wheel, 10-windlass, 11-steel wire rope, 12-reinforced suction plate, 13-connection rib plate, 14-smoke channel, 15-fan rotating speed controller, 16-trolley in-place detector, 17-platform bag, 18-ore furnace.

Detailed Description

The technical solution in the embodiments of the present invention will be clear and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

Example 1

The embodiment discloses a device for collecting and processing smelting heat and smoke dust of a submerged arc furnace, which comprises a track 1, a movable trolley 2, a dust collection cover 3, a smoke pipe 4 and a fan 5;

specifically, as shown in fig. 1, the rails 1 are fixedly installed in a trench 6 excavated in the ground of a smelting plant of the submerged arc furnace, the rails 1 are two i-steel rails arranged in parallel, and the rails 1 are arranged in an extending manner from a furnace mouth of the submerged arc furnace 18 to an installation position of the dust collection cover 3. The dust hood 3 is hung in a smelting plant of the submerged arc furnace through a dust hood mounting truss 7, the dust hood 3 is of a hood body structure made of metal materials and refractory materials, the bottom of the dust hood 3 is provided with an opening for absorbing heat and smoke dust, the top of the dust hood is communicated with one end of a smoke tube 4, and the other end of the smoke tube 4 is mounted at a fan 5; when the fan 5 runs, suction is formed at the opening at the bottom of the dust collection cover 3 through the smoke tube 4, meanwhile, the fan 5 is connected with the heat and smoke recycling pipeline 8, and heat and smoke are discharged through the heat and smoke recycling pipeline 8. The movable trolley 2 is a rectangular plate body and integrally made of a steel structure, the bottom of the movable trolley 2 is provided with a traveling wheel 9, the traveling wheel 9 can move on the track 1 through the traveling wheel 9, the top of the movable trolley 2 is a bedplate for placing a trolley bag 17, and the trolley bag 17 can reach the bottom opening of the dust collection cover 3 through the movement of the movable trolley 2 on the track 1.

Further, in the process of transferring the molten metal from the mouth of the submerged arc furnace 18 to the ladle 17 for refining or cooling, the molten metal generates a splash phenomenon in addition to emitting a large amount of heat, so that the movable trolley 2 in the embodiment adopts the following moving mode in order to ensure the safety of the operator: specifically, the front end of the mobile trolley 2 is also provided with a winch 10, a steel wire rope 11 is wound on the winch 10, and the end of the steel wire rope 11 is fixed at the end of one side of the trench 6 close to the dust collection cover 3; after the trolley 17 is placed on the bedplate of the mobile trolley 2, an operator keeps away from the trolley 17 and starts the winch 10, the winch 10 winds the steel wire rope 11, and then the trolley 17 can reach the bottom opening of the dust collection cover 3 through the movement of the mobile trolley 2 on the track 1 to finish the rapid absorption of heat and smoke dust.

In addition, if a plurality of submerged arc furnaces 18 are installed in the submerged arc furnace smelting plant, a plurality of sets of submerged arc furnace smelting heat and smoke dust collecting and processing devices can also be installed in the submerged arc furnace smelting plant; as shown in figure 1, when the power of the fan 5 is large, the smoke pipes 4 of the two sets of the submerged arc furnace smelting heat and smoke collecting and processing devices can be communicated through a tee joint and then connected with the fan 5, so that the two sets of the submerged arc furnace smelting heat and smoke collecting and processing devices share one fan 5.

Example 2

In practical application, the height difference between the dust collection cover 3 and the table bag 17 is large due to the limitation of installation conditions or other factors, namely the table bag 17 is far away from the bottom opening of the dust collection cover 3, and in this case, the heat and smoke treatment effect is poor.

Therefore, in the embodiment, a reinforced suction plate 12 is additionally arranged on the basis of the embodiment 1; specifically, as shown in fig. 2-3, a reinforced suction plate 12 is additionally arranged at the bottom in the dust hood 3, the shape of the reinforced suction plate 12 is consistent with the cross-sectional shape of the dust hood 3, and the size of the reinforced suction plate is slightly smaller than the cross-sectional size of the dust hood 3, the reinforced suction plate 12 is made of a metal material and a refractory material, eight connecting rib plates 13 are arranged around the outer edge of the reinforced suction plate 12, the connecting rib plates 13 can be integrally formed or fixedly connected with the reinforced suction plate 12, and after the reinforced suction plate 12 is welded and fixed with the inner wall of the dust hood 3 through the connecting rib plates 13, eight smoke channels 14 of about 5cm can be formed between the outer edge and the inner wall of the dust hood 3.

The area of the bottom opening of the dust collection cover 3 is reduced by additionally arranging the reinforced suction plate 12, the suction force at the bottom opening of the dust collection cover 3 is increased in a direction-changing manner under the condition that the power of the fan 5 is the same, and the heat and the smoke dust can be sucked away quickly; in addition, because the eight smoke passages 14 are arranged around the outer edge of the reinforced suction plate 12, while ensuring a large suction force, the reinforced suction plate 12 can prevent a large amount of metal from splashing, and the smoke tube 4 and the fan 5 are prevented from being damaged by splashed metal with a large heat quantity.

Example 3

In order to make the submerged arc furnace smelting heat and smoke collecting and processing device more intelligent on the basis of the embodiment 1, as shown in fig. 1, a fan rotating speed controller 15 and a trolley in-place detector 16 are additionally arranged on the submerged arc furnace smelting heat and smoke collecting and processing device; specifically, the fan 5 preferably adopts a fan 5 with a frequency converter in a motor, a fan rotating speed controller 15 is connected with the motor of the fan 5 through the frequency converter, and the fan rotating speed controller 15 can be a PID controller; a trolley in-place detector 16 is pre-embedded and installed on the side wall in the trench 6 below the dust collection cover 3, and the trolley in-place detector 16 is connected with a fan rotating speed controller 15; the carriage-in-place detector 16 may be a reflection-type photoelectric switch available on the market, and a reflection plate fitted to the reflection-type photoelectric switch is attached to the body side surface of the movable carriage 2.

When the trolley in-place detector 16 does not detect that the mobile trolley 2 reaches the designated position, the low-speed operation of the fan 5 can be controlled by the fan speed controller 15, the air flow in the submerged arc furnace smelting plant is ensured, when the trolley in-place detector 16 detects that the mobile trolley 2 reaches the designated position, the in-place signal of the mobile trolley 2 is detected by the fan speed controller 15 through the trolley in-place detector 16, and then the fan speed controller 15 controls the high-speed operation of the fan 5, so that the purpose of quickly removing heat and smoke dust which can be emitted in refining or cooling processes is achieved.

In this embodiment, the improvement in the control program is not involved, and the control program in the gas boiler control system having the patent number CN201822247620.1 may be used as the entire control program.

It should be noted that the blower 5, the winch 10, the PID controller, and the reflective photoelectric switch mentioned in the above embodiments are all conventional commercially available products, and can be obtained by commercial purchase, and the internal structure, the working principle, and the wiring installation thereof all belong to the prior art, and are not described herein again.

Claims

1. The utility model provides a hot stove in ore deposit smelts heat, smoke and dust collection processing apparatus which characterized in that: the device for collecting and processing smelting heat and smoke dust of the submerged arc furnace comprises a track, a movable trolley, a dust collection cover, a smoke pipe and a fan; the track is fixedly arranged in a trench dug in the ground of the submerged arc furnace smelting plant and is arranged from the position of a submerged arc furnace mouth to the installation position of the dust collecting cover in an extending way; the dust hood is hung in the submerged arc furnace smelting plant through a dust hood mounting truss, the bottom of the dust hood is open, and the top of the dust hood is communicated with one end of a smoke pipe; the other end of the smoke tube is arranged at a fan, and the fan is connected with a heat smoke dust recovery pipeline; the bottom of the movable trolley is provided with a travelling wheel which can move on the rail through the travelling wheel, the top of the movable trolley is a bedplate for placing a trolley bag, and the trolley bag can reach the bottom opening of the dust collection cover through the movement of the movable trolley on the rail; the front end of the mobile trolley is also provided with a winch, a steel wire rope is wound on the winch, and the end of the steel wire rope is fixed at the end of one side of the trench close to the dust collection cover.

2. The submerged arc furnace smelting heat and smoke dust collecting and processing device according to claim 1, characterized in that: the hot stove in ore deposit smelts and installs in the factory building and smelt heat, smoke and dust collection processing apparatus in this hot stove in ore deposit, and many sets of this hot stove in ore deposit smelts heat, smoke and dust collection processing apparatus sharing a fan.

3. The submerged arc furnace smelting heat and smoke dust collecting and processing device according to claim 1, characterized in that: the bottom in the dust collection cover is also provided with a reinforced suction plate, and the outer edge of the reinforced suction plate is provided with a plurality of connecting rib plates fixedly connected with the inner wall of the dust collection cover; a plurality of smoke channels are formed between the reinforced suction plate and the inner wall of the dust collection cover.

4. The submerged arc furnace smelting heat and smoke dust collecting and processing device according to claim 1, characterized in that: the motor of the fan is provided with a frequency converter, and the fan rotating speed controller is connected with the motor of the fan through the frequency converter; the side wall of the trench below the dust hood is also pre-buried with a trolley in-place detector, the trolley in-place detector is connected with a fan rotating speed controller, and the fan rotating speed controller detects a moving trolley in-place signal through the trolley in-place detector.