CN219752338U - Dust collection device of stirrer in front of blast furnace - Google Patents
Dust collection device of stirrer in front of blast furnace Download PDFInfo
- Publication number
- CN219752338U CN219752338U CN202321272455.XU CN202321272455U CN219752338U CN 219752338 U CN219752338 U CN 219752338U CN 202321272455 U CN202321272455 U CN 202321272455U CN 219752338 U CN219752338 U CN 219752338U
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- CN
- China
- Prior art keywords
- dust removal
- dust
- dust collection
- branch pipe
- stirrer
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- 239000000428 dust Substances 0.000 title claims abstract description 119
- 238000003756 stirring Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 229910052742 iron Inorganic materials 0.000 description 13
- 239000011819 refractory material Substances 0.000 description 12
- 239000002893 slag Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910018540 Si C Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a dust collection device of a stirrer in front of a blast furnace, and belongs to the technical field of environmental protection dust removal equipment in front of a furnace in the metallurgical industry. The technical proposal is as follows: contain dust collection cover (1), hanging beam (2), supporting beam (3), dust removal branch pipe (4), electric dust removal valve (5) and dust removal trunk line (7), dust removal branch pipe (4) one end is connected with dust collection cover (1), and dust removal branch pipe (4) other end is connected with dust removal trunk line (7), installs electric dust removal valve (5) on dust removal branch pipe (4), and hanging beam (2) one end is fixed on dust collection cover (1), and hanging beam (2) other end is fixed on supporting beam (3), dust collection cover (1) are the slope form and are towards the mixer entry. The beneficial effects of the utility model are as follows: the utility model has simple structure and convenient use, and can remove dust while vertical hoisting and stirring of the refractory ton bag are not affected.
Description
Technical Field
The utility model relates to a dust collection device of a stirrer in front of a blast furnace, and belongs to the technical field of environmental protection dust removal equipment in front of a furnace in the metallurgical industry.
Background
The blast furnace production process flow generally comprises a feeding system, an air supply system, a cooling system, a gas recovery and dust removal system and a slag iron discharge system, and is a production process with particularly strong continuity. The whole process is completed in the process of mutual contact of the furnace burden from top to bottom and the coal gas from bottom to top. Charging furnace burden from furnace top into furnace according to a certain proportion, blowing hot air heated to 1000-1300 deg. by hot-blast furnace from tuyere, burning coke in furnace burden before tuyere to produce high-temperature reducing gas, heating slowly-descending furnace burden in the rising process of furnace, reducing oxide in iron ore to metal iron, heating unreduced material to form slag, implementing slag-iron separation, collecting slag-iron in furnace hearth, periodically discharging slag and molten iron from furnace hearth, and making discharged slag flow to granulating tower along slag channel to form water slag, and making molten iron enter molten iron tank car along iron channel to form a continuous operation process.
The iron tapping time is about 2 hours each day, and the iron tapping time is almost continuous all the day, so that the refractory materials of the iron slag runner are continuously consumed and then periodically replaced in a stop place, at the moment, the refractory materials are required to be poured again in front of the furnace, the refractory materials are all dry bulk materials, the refractory materials are required to be poured after being opened above a stokehold stirrer, water is added and mixed uniformly, dust of the refractory materials is extremely serious in the process, the dust is formed, the environment pollution is serious, and the current requirements of clean production for iron making are not met, so that dust is required to be collected when the refractory materials are opened and stirred by the stirrer.
Disclosure of Invention
The utility model aims to provide a dust collection device of a stirrer in front of a blast furnace, which can remove dust while vertical hoisting and stirring of a refractory material ton bag are not affected, and solves the problems in the prior art.
The technical scheme of the utility model is as follows:
the utility model provides a stirring machine dust collection device in blast furnace stokehold, contains dust collection hood, hanging beam, supporting beam, dust removal branch pipe way, electric dust removal valve and dust removal trunk line, and dust removal branch pipe way one end is connected with the dust collection hood, and the dust removal branch pipe way other end is connected with the dust removal trunk line, installs electric dust removal valve on the dust removal branch pipe way, and hanging beam one end is fixed on the dust collection hood, and hanging beam other end is fixed on supporting beam, the dust is collected the hood and is slope form orientation stirring machine entry.
The included angle alpha between the dust collection cover and the horizontal plane is 30 degrees.
The dust collection cover is a horn-mouth dust hood, one end with a large mouth faces the inlet of the stirrer, and the other end with a small mouth is connected with a dust collection branch pipeline.
An overhaul platform is arranged below the electric dust removal valve on the dust removal branch pipeline.
And an overhaul platform below the electric dust removal valve on the dust removal branch pipeline is fixed on the support beam.
The beneficial effects of the utility model are as follows: the utility model has simple structure and convenient use, can suck a large amount of overflow dust generated during opening and stirring of refractory materials into the front dedusting main pipeline for purification without adding expensive equipment such as a dust remover and the like under the condition of not influencing the vertical hoisting construction of the refractory material ton bag, and is suitable for the working conditions of overflow of dry bulk dust stirred by various horizontal stirrers.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the present utility model in use;
in the figure: the dust collection cover 1, the hanging beam 2, the supporting beam 3, the dust collection branch pipeline 4, the electric dust collection valve 5, the color plate 6, the dust collection main pipeline 7, the overhaul platform 8, the machine side operation box 9, the crown block lifting hook 10, the refractory material ton bag 11 and the stirrer 12.
Description of the embodiments
The utility model is further illustrated by way of example with reference to the accompanying drawings.
Referring to fig. 1-2, a dust collecting device of a stirrer in front of a blast furnace comprises a dust collecting cover 1, a hanging beam 2, a supporting beam 3, a dust collecting branch pipe 4, an electric dust collecting valve 5 and a dust collecting main pipe 7, wherein one end of the dust collecting branch pipe 4 is connected with the dust collecting cover 1, the other end of the dust collecting branch pipe 4 is connected with the dust collecting main pipe 7, the electric dust collecting valve 5 is arranged on the dust collecting branch pipe 4, one end of the hanging beam 2 is fixed on the dust collecting cover 1, the other end of the hanging beam 2 is fixed on the supporting beam 3, and the dust collecting cover 1 is inclined towards a stirrer inlet.
In this embodiment, referring to fig. 1-2, the dust collection hood 1 is positioned at a height and angle according to the lifting height of the stokehole stirrer 12 and the refractory ton bag 11 so as not to affect the vertical lifting of the refractory.
Specifically, the dust collection cover 1 is a horn-mouth dust hood, one end with a large mouth faces the inlet of the stirrer, one end with a small mouth is connected with the dust collection branch pipeline 4, and an included angle alpha between the central line and the horizontal plane is 30 degrees.
The dust collection cover 1 is fixed by a hanging beam 2 and a supporting beam 3.
The figure shows that the electric dust removal valve 5 and the machine side operation box 9 for controlling the electric dust removal valve 5 are arranged on the dust removal branch pipeline 4, and the flexible control of the opening and the closing of the valve can be realized during daily use.
The diagram shows that the dust removal branch pipe 4 and the electric dust removal valve 5 are provided with an overhaul platform 8 below, so that the valve, the pipe and other faults can be conveniently treated.
When the electric dust removal valve 5 of the dust removal branch pipe can be started in advance to enable the electric dust removal valve 5 to have a dust removal function, then the refractory material ton bag 11 is opened, the refractory material falls into a stirring pool of the stirrer 12 by means of gravity, a large amount of dust can be caused at the same time, the dust caused at the moment can be sucked into the dust removal branch pipe 4 by the negative pressure effect of the dust collection cover 1, so that the dust entering the dust removal main pipe 7 is purified by the dust remover, when the stirrer 12 starts to work, the opening of the electric dust removal valve 5 is properly adjusted to adjust the dust removal air quantity according to the current dust removal quantity, the purposes of removing and saving energy sources are achieved, and the phenomenon that a large amount of dust generated when the refractory casting material in front of a blast furnace is opened and stirred is blown out to pollute the environment is thoroughly solved.
One embodiment of the utility model is as follows:
the dust collection cover 1 is: the steel plate and the section steel are manufactured, the length is 2500mm, the width is 2500mm, and the thickness is 6mm;
the hanging beam 2 is: 9# angle steel with the length of 4000mm;
the support beam 3 is: 300H-shaped steel with the height of 10m;
the dust removing branch pipeline 4 is as follows: diameter 720mm steel pipe with length of 5m;
the model of the electric dust removal valve 5 is as follows: DN700mm, PN5;
the model of the color plate 6 is as follows: 2mx9mx2mm;
the diameter of the main dedusting pipe 7 is as follows: 3m;
maintenance platform 8: the groove steel and the checkered plates are manufactured, and the length is 5m, and the width is 2m;
the model 9 of the machine side operation box is as follows; KAI-F18;
model 10 of lifting hook; 5T;
the model of the refractory ton bag 11 is as follows: AL (AL) 2 O 3 -Si-C casting;
stirrer 12 model: t500 horizontal mixer.
Claims (5)
1. The utility model provides a blast furnace stokehold mixer dust collection device which characterized in that: contain dust collection cover (1), hanging beam (2), supporting beam (3), dust removal branch pipe (4), electric dust removal valve (5) and dust removal trunk line (7), dust removal branch pipe (4) one end is connected with dust collection cover (1), and dust removal branch pipe (4) other end is connected with dust removal trunk line (7), installs electric dust removal valve (5) on dust removal branch pipe (4), and hanging beam (2) one end is fixed on dust collection cover (1), and hanging beam (2) other end is fixed on supporting beam (3), dust collection cover (1) are the slope form and are towards the mixer entry.
2. The dust collection device of a stirrer in front of a blast furnace according to claim 1, wherein: the included angle alpha between the dust collection cover (1) and the horizontal plane is 30 degrees.
3. A blast furnace stokehold mixer dust collection device according to claim 2, wherein: the dust collection cover (1) is a horn-mouth dust hood, one end with a large mouth faces to the inlet of the stirrer, and the other end with a small mouth is connected with the dust collection branch pipeline (4).
4. The dust collection device of a stirrer in front of a blast furnace according to claim 1, wherein: an overhaul platform (8) is arranged below the electric dust removal valve (5) on the dust removal branch pipeline (4).
5. The dust collection device for a stirrer in front of a blast furnace according to claim 4, wherein: an overhaul platform (8) below the electric dust removal valve (5) on the dust removal branch pipeline (4) is fixed on the support beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321272455.XU CN219752338U (en) | 2023-05-24 | 2023-05-24 | Dust collection device of stirrer in front of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321272455.XU CN219752338U (en) | 2023-05-24 | 2023-05-24 | Dust collection device of stirrer in front of blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219752338U true CN219752338U (en) | 2023-09-26 |
Family
ID=88071848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321272455.XU Active CN219752338U (en) | 2023-05-24 | 2023-05-24 | Dust collection device of stirrer in front of blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219752338U (en) |
-
2023
- 2023-05-24 CN CN202321272455.XU patent/CN219752338U/en active Active
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