CN215628058U

CN215628058U - Environment-friendly smoke-removing iron-smelting blast furnace

Info

Publication number: CN215628058U
Application number: CN202121860630.8U
Authority: CN
Inventors: 何涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-25
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses an environment-friendly smoke-removing iron-making blast furnace, which relates to the field of iron-making blast furnaces and comprises a furnace cylinder, a dust-removing box and a waste gas treatment tower, wherein a supporting rod is arranged at the top of one side of the furnace cylinder, the bottom end of a lever is connected with an iron box, a water inlet pipe is arranged at the top end of the iron box, a water outlet pipe is connected at the bottom end of the iron box, a filter plate is arranged at the top end inside the dust-removing box, one end, far away from a hot air pipe, of a U-shaped pipe penetrates through the dust-removing box and is connected with an air blower, a fan is arranged at the bottom end inside the dust-removing box, and a dust collecting hopper is arranged at the bottom of the dust-removing box. When waste gas enters the dust removal box through the pipeline, the bottom fan blows smoke to the top of the box body, smoke particles are filtered through the filter plate and fall into the bottom dust collection hopper, air sucked by the air blower passes through the U-shaped pipe and then is introduced into the furnace cylinder, high-temperature waste gas in the dust removal box exchanges heat with air in the U-shaped pipe, and the weight of the counterweight can be controlled by controlling the amount of water in the iron box through arranging the iron box and adding the water inlet pipe and the water outlet pipe on the iron box.

Description

Environment-friendly smoke-removing iron-smelting blast furnace

Technical Field

The utility model relates to the field of iron-making blast furnaces, in particular to an environment-friendly smoke-removing iron-making blast furnace.

Background

The air pollution is one of the most outstanding environmental problems in the world at present, the pollution source is mainly from industrial waste gas, black smoke and the like, the blast furnace iron making is one of the main sources for generating the problems, the blast furnace is composed of a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace hearth, and the iron making quantity of the blast furnace accounts for most of the total iron production quantity in the world due to the advantages of simple process and large production quantity.

Current blast furnace ironmaking can produce a large amount of black smoke and dust granules in process of production, can't collect the processing to black smoke and dust granule, causes more iron slag surplus easily, and the air-blower is cold wind at the inside wind that gets into a stove section of thick bamboo, can influence the temperature in a stove section of thick bamboo to a certain extent, and current feeding mode utilizes the weight of lever principle control unloading, but the inconvenient change of counter weight of lever bottom, therefore the different unloading weight of inconvenient control.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide an environment-friendly smoke-removing iron-making blast furnace, which solves the technical problems that the black smoke dust particles cannot be collected and treated in the existing blast furnace iron-making, and the temperature in a furnace cylinder can be influenced to a certain extent by using cold air as air entering the furnace cylinder by a fan, so that different blanking weights are inconvenient to control.

In order to achieve the purpose, the utility model provides the following technical scheme: an environment-friendly smoke-removing ironmaking blast furnace comprises a furnace cylinder, a dust-removing box and a waste gas treatment tower, wherein a supporting rod is arranged at the top of one side of the furnace cylinder, the supporting rod is rotatably connected with a lever through a rotating shaft, the bottom end of the lever is connected with an iron box, the top end of the iron box is provided with a water inlet pipe, the bottom of the iron box is connected with a water outlet pipe, the other end of the lever is movably connected with a pull rod extending to the top opening of the furnace cylinder, the bottom end of the pull rod is connected with a bearing plate through a rotating shaft, the bottom end of the outer side of the furnace cylinder is provided with a circular furnace hot air pipe, the top end of the inner part of the dust-removing box is provided with a filter plate, one side of the dust-removing box is positioned below the filter plate and is communicated with the top end of the outer side of the furnace cylinder through a pipeline, one end of the U-shaped pipe penetrates through the dust-removing box and is connected with the hot air pipe, the other end of the air pipe is connected with the circular furnace hot air pipe, the U-shaped pipe is far away from the dust-removing box, the dust removal incasement portion bottom is equipped with the fan, dust hopper is equipped with to dust removal bottom of the case portion, the dust removal incasement side is located and is connected through the pipeline between the top of filter and the exhaust-gas treatment tower.

Through adopting above-mentioned technical scheme, the dust removal case has been increased, when waste gas passes through the pipeline and gets into the dust removal incasement, the bottom fan blows smog to the box top, filter the smoke and dust granule through the filter, fall into in the bottom dust hopper, be convenient for collect, set up "U" venturi tube in the dust removal incasement, the inspiratory wind of air-blower is in letting in the stove section of thick bamboo behind "U" venturi tube, when passing through "U" venturi tube, the high temperature waste gas in the dust removal incasement carries out the heat exchange with the air in "U" venturi tube, thereby make the air that gets into the stove section of thick bamboo carry certain heat, thereby improve combustion efficiency, hang through changing traditional heavy object, set up the iron box, increase inlet tube and outlet pipe on the iron box, the weight of counter weight is controlled to how much of accessible control iron box water, thereby change the weight of unloading once according to the demand.

The utility model is further provided that a storage plate which inclines downwards is arranged at the opening at the top of the furnace cylinder, and the top of the bearing plate is propped against the bottom of the storage plate.

Through adopting above-mentioned technical scheme, the storage board can block the bearing plate.

The utility model is further arranged in such a way that the ring furnace hot air pipe is annularly connected with a plurality of hot air nozzles, and the hot air nozzles are introduced into the furnace barrel.

By adopting the technical scheme, the air blown from the hot air pipe is blown to the bottom of the furnace cylinder through the ring furnace hot air pipe and the hot air nozzle, so that flame combustion is increased.

The utility model is further arranged in such a way that one side of the bottom of the furnace barrel is provided with a tap hole, the other side of the furnace barrel is provided with a slag hole, and the position of the tap hole on the outer side of the furnace barrel is lower than the slag hole.

Through adopting above-mentioned technical scheme, with the molten iron in the stove section of thick bamboo separately with the iron slag, the molten iron will be located below the iron slag, convenient fully to the collection of molten iron, with the separation to the iron slag, convenient to use person's post processing.

The utility model is further provided that the number of the fans is two and the fans are symmetrically distributed at the bottom in the dust removal box.

Through adopting above-mentioned technical scheme, the fan can upwards the evacuation to the black granule in the dust removal case and waste gas.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the dust removal box is additionally arranged, when waste gas enters the dust removal box through the pipeline, the bottom fan blows smoke to the top of the box body, smoke particles are filtered by the filter plate and fall into the bottom dust collection hopper, and the collection is convenient.

2. According to the utility model, the U-shaped pipe is arranged in the dust removal box, air sucked by the blower passes through the U-shaped pipe and then is introduced into the furnace cylinder, and when the air passes through the U-shaped pipe, high-temperature waste gas in the dust removal box exchanges heat with air in the U-shaped pipe, so that the air entering the furnace cylinder carries certain heat, and the combustion efficiency is improved.

3. According to the utility model, the traditional heavy object suspension is changed, the iron box is arranged, the water inlet pipe and the water outlet pipe are additionally arranged on the iron box, and the weight of the counterweight can be controlled by controlling the amount of water in the iron box, so that the weight of primary blanking can be changed according to requirements.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a sectional view of the ring furnace hot blast pipe of the present invention.

In the figure: 1. a furnace barrel; 2. a taphole; 3. a hot air nozzle; 4. a ring furnace hot air pipe; 5. a hot air pipe; 6. a slag outlet; 7. a U-shaped tube; 8. a fan; 9. a blower; 10. a waste gas treatment tower; 11. a filter plate; 12. a bearing plate; 13. turning; 14. a pull rod; 15. a material storage plate; 16. a lever; 17. a support bar; 18. a water inlet pipe; 19. an iron box; 20. a water outlet pipe; 21. a dust collecting hopper; 22. a dust removal box.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

An environment-friendly smoke-removing ironmaking blast furnace, as shown in figure 1-3, comprises a furnace tube 1, a dust-removing box 22 and a waste gas treatment tower 10, wherein a support rod 17 is arranged at the top of one side of the furnace tube 1, the support rod 17 is rotatably connected with a lever 16 through a rotating shaft, the bottom end of the lever 16 is connected with an iron box 19, the top end of the iron box 19 is provided with a water inlet pipe 18, the bottom end of the iron box 19 is connected with a water outlet pipe 20, the weight of a counterweight can be controlled by controlling the amount of water in the iron box 19, so that the weight of primary blanking can be changed according to requirements, the other end of the lever 16 is movably connected with a pull rod 14 extending to the top opening of the furnace tube 1, the bottom end of the pull rod 14 is connected with a bearing plate 12 through a rotating knob 13, the bottom end of the outer side of the furnace tube 1 is provided with a circular furnace hot air pipe 4, the top end in the dust-removing box 22 is provided with a filter plate 11, the dust-removing box 22 is communicated with the top end of the outer side of the furnace tube 1 through a pipeline, the U-shaped pipe 7 is arranged in the dust-removing

box

22, 7 one end of U-shaped pipe runs through out dust removal case 22 and is connected with hot-blast main 5, the 5 other end of hot-blast main is connected with ring stove hot-blast main 4, the one end that hot-blast main 5 was kept away from to U-shaped pipe 7 runs through out dust removal case 22 and is connected with air-blower 9, thereby make the air that gets into a stove section of thick bamboo 1 carry certain heat, thereby improve combustion efficiency, the inside bottom of dust removal case 22 is equipped with fan 8, dust removal case 22 bottom is equipped with dust hopper 21, bottom fan 8 blows smog to the box top, filter the smoke and dust granule through filter 11, fall into in the bottom dust hopper 21, be convenient for collect and be connected through the pipeline between the top that dust removal case 22 outside is located filter 11 and exhaust-gas treatment tower 10.

Referring to fig. 1, a downwardly inclined storage plate 15 is disposed at the top opening of the furnace tube 1, the top of the bearing plate 12 abuts against the bottom of the storage plate 15, and the storage plate 15 can block the bearing plate 12.

Referring to fig. 1 and 3, a plurality of hot air nozzles 3 are annularly connected to the ring furnace hot air pipe 4, and the hot air nozzles 3 are introduced into the furnace barrel 1, so that the air blown from the hot air pipe 5 is blown to the bottom of the furnace barrel 1 through the ring furnace hot air pipe 4 and the hot air nozzles 3, thereby increasing flame combustion.

Referring to fig. 1, one side of the bottom of a furnace barrel 1 is provided with a tap hole 2, the other side of the furnace barrel 1 is provided with a slag hole 6, the position of the tap hole 2 outside the furnace barrel 1 is lower than the position of the slag hole 6, molten iron in the furnace barrel 1 is separated from iron slag, and the molten iron is located below the iron slag, so that the molten iron can be fully collected and separated from the iron slag, and the post-treatment of a user is facilitated.

Referring to fig. 1 and 2, the number of the fans 8 is two and the fans 8 are symmetrically distributed at the bottom of the dust box 22, and the fans 8 can exhaust the black particles and the exhaust gas in the dust box 22 upwards.

The working principle of the utility model is as follows: when the iron box is used, the weight of the iron box 19 is changed through the water inlet pipe 18 and the water outlet pipe 20, the weight of the iron-making waste material at the storage plate 15 is further changed, when the weight of the storage plate 15 is greater than the weight of the iron box 19, the bearing plate 12 drives the pull rod 14 to move downwards, the waste material on the storage plate 15 is poured into the furnace tube 1 through the rotation of the rotary knob 13, the waste gas generated in the furnace tube 1 enters the dust removal box 22 through the pipeline, the air blower 9 simultaneously extracts the outside cold air, when the waste gas passes through the dust removal box 22, the high-temperature waste gas in the dust removal box exchanges heat with the air in the U-shaped tube, so that the air carries certain heat, the hot air pipe 5 enters the hot air nozzle 3 through the ring furnace hot air pipe 4, the hot air nozzle 3 enters the furnace tube 1 through the hot air nozzle 3, the flame in the furnace tube 1 is further increased, the fuel is fully combusted, the combustion efficiency is improved, the two fans 8 are arranged at the bottom of the dust removal box 22, the waste gas moves upwards through the fan 8, the smoke dust particles are filtered through the filter plate 11 at the top and fall into the dust collecting hopper 21 at the bottom, the waste gas enters the waste gas treatment tower 10 through a pipeline, and the waste gas is diluted and discharged out of the box body.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides an environment-friendly smoke abatement ironmaking blast furnace, includes a stove section of thick bamboo (1), dust removal case (22), exhaust-gas treatment tower (10), its characterized in that: the furnace is characterized in that a supporting rod (17) is arranged at the top of one side of the furnace cylinder (1), the supporting rod (17) is rotatably connected with a lever (16) through a rotating shaft, the bottom end of the lever (16) is connected with an iron box (19), the top end of the iron box (19) is provided with a water inlet pipe (18) and the bottom of the iron box is connected with a water outlet pipe (20), the other end of the lever (16) is movably connected with a pull rod (14) extending to the top opening of the furnace cylinder (1), the bottom end of the pull rod (14) is connected with a bearing plate (12) through a rotating knob (13), the bottom end of the outer side of the furnace cylinder (1) is provided with a circular furnace hot air pipe (4), the top end of the inner part of the dust removing box (22) is provided with a filter plate (11), one side of the dust removing box (22) is positioned between the lower part of the filter plate (11) and the top end of the outer side of the furnace cylinder (1) through a pipeline for communication, a U-shaped pipe (7) is arranged inside the dust removing box (22), u-shaped pipe (7) one end runs through out dust removal case (22) and is connected with hot-blast main (5), the hot-blast main (5) other end is connected with ring stove hot-blast main (4), the one end that hot-blast main (5) were kept away from in U-shaped pipe (7) runs through out dust removal case (22) and is connected with air-blower (9), the inside bottom of dust removal case (22) is equipped with fan (8), dust removal case (22) bottom is equipped with dust hopper (21), be connected through the pipeline between the top that the dust removal case (22) outside is located filter (11) and exhaust-gas treatment tower (10).

2. The environment-friendly smoke-removing ironmaking blast furnace as claimed in claim 1, wherein: the top opening part of the furnace barrel (1) is provided with a storage plate (15) which inclines downwards, and the top of the bearing plate (12) is propped against the bottom of the storage plate (15).

3. The environment-friendly smoke-removing ironmaking blast furnace as claimed in claim 1, wherein: the ring furnace hot air pipe (4) is connected with a plurality of hot air nozzles (3) in an annular shape, and the hot air nozzles (3) are introduced into the furnace barrel (1).

4. The environment-friendly smoke-removing ironmaking blast furnace as claimed in claim 1, wherein: a tap hole (2) is arranged on one side of the bottom of the furnace barrel (1), a slag hole (6) is arranged on the other side of the furnace barrel (1), and the position of the tap hole (2) on the outer side of the furnace barrel (1) is lower than the slag hole (6).

5. The environment-friendly smoke-removing ironmaking blast furnace as claimed in claim 1, wherein: the number of the fans (8) is two and the fans are symmetrically distributed at the bottom in the dust removal box (22).