CN213739543U - Closed dust excluding hood in iron notch area of blast furnace front cast house - Google Patents

Closed dust excluding hood in iron notch area of blast furnace front cast house Download PDF

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Publication number
CN213739543U
CN213739543U CN202021886070.9U CN202021886070U CN213739543U CN 213739543 U CN213739543 U CN 213739543U CN 202021886070 U CN202021886070 U CN 202021886070U CN 213739543 U CN213739543 U CN 213739543U
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China
Prior art keywords
cover
cover plate
blast furnace
cast house
plate
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CN202021886070.9U
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Chinese (zh)
Inventor
胡海波
陈飞林
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Guangdong High End Stainless Steel Research Institute Co ltd
Guangdong Guangqing Metal Technology Co ltd
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Guangdong High End Stainless Steel Research Institute Co ltd
Guangdong Guangqing Metal Technology Co ltd
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Abstract

The utility model discloses a blast furnace front cast house taphole area closed dust hood, which comprises a base, wherein a hood body is arranged on the base, the top of the hood body is provided with a horn-shaped main smoke exhaust port, a main smoke exhaust pipe is arranged on the horn-shaped main smoke exhaust port, and the main smoke exhaust pipe is communicated with a side plate of the taphole area; the front side cover plate and the rear side cover plate of the cover body are both sealing plates welded into a whole, and the left side cover plate and the right side cover plate of the cover body are both connected with the top of the cover body in a sliding manner; the inner wall of the top of the cover body is provided with a pipeline all around, high-pressure water can be introduced into the pipeline, and the pipeline is uniformly provided with atomizing nozzles. The utility model discloses in solved that the cigarette dirt volume is too big, dust removal effect is not good, a large amount of smoke and dust directly scurry technical problem such as stove top.

Description

Closed dust excluding hood in iron notch area of blast furnace front cast house
Technical Field
The utility model relates to the technical field of blast furnace ironmaking blast furnace production environmental protection equipment, in particular to a blast furnace front cast house taphole area closed dust hood.
Background
The tapping site is a place for discharging and separating molten iron and slag in blast furnace ironmaking and blast furnace smelting, the operation is heavy, the temperature of the molten iron and the slag is as high as more than 1500 ℃, and smoke is generated in the discharging process.
The flue gas pollution in the production process mainly comprises the escape flue gas and dust of tap hole gas, molten iron and slag, and the dust pollution of a tapping field is mainly a large amount of smoke dust generated in the process of opening, blocking a tap hole and tapping a blast furnace, and dust raising points of the dust pollution are mainly distributed at the positions of a main channel (the part from the tap hole to a skimmer), a slag hole, the skimmer, an iron channel, a slag channel and the like. The main runner is a channel between the tapping hole and the skimmer, the skimmer is arranged at the end of the main runner, molten iron in the main runner is divided into molten iron and slag through the skimmer, the molten iron flows into the iron runner, and the slag flows into the slag runner to be discharged.
In the prior art, between a tapping hole and a skimmer, as the service life of a refractory material in an iron runner is 1.5-3 months, the iron runner needs to be repaired at intervals, in order to avoid influencing the operation of a repairing device when the iron runner is repaired, a dust removal facility which is relatively complex and occupies a large area is not usually arranged on the iron runner, namely, open-air operation is kept, the self diffusion speed of smoke dust generated in the operation is low, the problems of large smoke gas amount, high dust concentration and the like in the production process of a blast furnace are caused, the smoke dust is consistently in a diffusion state, the tapping frequency of the blast furnace is high, the time is long, and the whole space of a tapping field is subjected to smoke dust, radiant heat, CO, SO and the like2And the pollution of harmful gases is serious. Therefore, the field production operation environment of the iron yard is severe, the physical health of the staff is threatened, the smoke and dust are diffused to the outside of the plant in an abnormal state, the smoke and dust amount is too large, the dust removal effect is poor, a large amount of smoke and dust directly flee out of the furnace platform, and the ambient environment is polluted to form an environment-friendly event.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problems that the smoke and dust amount is too large, the dust removal effect is not good, and a large amount of smoke and dust directly flee out of a furnace platform and the like in the prior art, and providing a blast furnace front cast house taphole area closed dust excluding hood.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a blast furnace front cast house taphole area closed dust hood, which comprises a base, wherein a hood body is arranged on the base, the top of the hood body is provided with a horn-shaped main smoke exhaust port, a main smoke exhaust pipe is arranged on the horn-shaped main smoke exhaust port, and the main smoke exhaust pipe is communicated with a side plate of the taphole area; the front side cover plate and the rear side cover plate of the cover body are both sealing plates welded into a whole, and the left side cover plate and the right side cover plate of the cover body are both connected with the top of the cover body in a sliding manner; the inner wall of the top of the cover body is provided with a pipeline all around, high-pressure water can be introduced into the pipeline, and the pipeline is uniformly provided with atomizing nozzles.
According to the closed dust excluding hood for the iron notch area of the blast furnace front cast house, the left side and the right side of the top of the hood body are both provided with the slide ways, the upper end surface of the left side cover plate and the upper end surface of the right side cover plate are both fixedly provided with the pulleys, and the pulleys can be embedded into the slide ways to slide.
According to the closed dust hood for the iron notch area of the blast furnace front cast house, the top of the hood body is composed of four cover plates, one of the cover plates is provided with the horn-shaped main smoke exhaust port, the cast house platform is used as a base, the steel channel piling is used as a main bearing part, and the top of the hood body is installed on the bearing part.
According to the closed dust hood for the taphole area of the cast house in front of the blast furnace, the front end of the lower part of the right side cover plate is provided with the notch.
According to the closed dust hood for the iron notch area of the blast furnace front cast house, the front side cover plate of the hood body is provided with the access hole, and the access hole is provided with the normally closed access door.
According to the closed dust hood for the iron notch area of the blast furnace front cast house, the rear side cover plate of the hood body is provided with the main channel iron slag cleaning opening and the observation window, and the main channel iron slag cleaning opening is provided with the access door.
According to the closed dust hood for the taphole area of the cast house in front of the blast furnace, the gap is provided with the detachable sealing plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the device comprises a base, wherein a cover body is arranged on the base, a horn-shaped main smoke extraction opening is formed in the top of the cover body, a main smoke extraction pipe is arranged on the horn-shaped main smoke extraction opening, and the main smoke extraction pipe is communicated with a side plate of an iron notch area; the front side cover plate and the rear side cover plate of the cover body are both sealing plates welded into a whole, and the left side cover plate and the right side cover plate of the cover body are both connected with the top of the cover body in a sliding manner; pipelines are arranged on the periphery of the inner wall of the top of the cover body, high-pressure water can be introduced into the pipelines, and atomizing nozzles are uniformly distributed on the pipelines; when the cover body of the structure is installed, channel steel and steel plate blocks are distributed around the cover body, and the part close to equipment is fixed by a bolt and a sliding groove so as to be convenient to detach; because the left side cover plate and the right side cover plate of the cover body are both connected with the top of the cover body in a sliding way, the cover body is integrally sealed after being pushed and pulled in normal production, and can be pushed to two sides during maintenance, thereby facilitating mechanical entry and stemming pulling use; because the inside normal atmospheric temperature water pipeline that evenly arranges all around of dust excluding hood, the pipeline installs atomizer additional, plays the effect that restraines the smoke and dust loss, cooling.
2. The device takes a cast house platform as a base, the steel channel piling is taken as a main bearing part, the top of the cover body is arranged on the bearing part, and the structure is convenient to disassemble and assemble; the front end of the lower part of the right side cover plate is provided with a gap, a detachable sealing plate is arranged on the gap, and the structure is convenient for mechanical equipment to enter the cover body; an access hole is formed in the front side cover plate of the cover body, and a normally closed access door is arranged on the access hole, so that personnel can conveniently enter and overhaul hydraulic equipment; the rear side cover plate of the cover body is provided with a main channel iron slag cleaning port and an observation window, and the main channel iron slag cleaning port is provided with an access door, so that personnel can conveniently enter and clean the main channel iron slag at any time, maintain the mud cover, and visually monitor the running state of the equipment during opening and plugging operation.
3. In a word, no macroscopic smoke dust flees out of the dust hood when tapping or after blocking after improvement, high-temperature air waves are also removed by dust, and the working environment in front of the furnace is well improved.
Drawings
FIG. 1 is a schematic structural view of a closed dust hood for a taphole area of a cast house in front of a blast furnace according to the utility model;
FIG. 2 is a schematic diagram of the front cover plate structure of FIG. 1;
FIG. 3 is a schematic structural view of the rear side cover plate of FIG. 1;
fig. 4 is a schematic view of the right side cover plate of fig. 1.
In the figure: the device comprises a base 1, a cover body 2, a trumpet-shaped main smoke extraction opening 3, a main smoke extraction pipe 4, a front side cover plate 5, a rear side cover plate 6, a left side cover plate 7, a right side cover plate 8, a slide rail 9, a pulley 10, a gap 11, an access opening 12, an access door 13, a main channel iron slag cleaning opening 14, a pipeline 15, an atomizing nozzle 16, a sealing plate 17, an observation window 18 and an access door 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the closed dust hood for the taphole area of the cast house in front of the blast furnace comprises a base 1, wherein a hood body 2 is arranged on the base 1, a horn-shaped main smoke exhaust port 3 is arranged at the top of the hood body 2, a main smoke exhaust pipe 4 is arranged on the horn-shaped main smoke exhaust port 3, and the main smoke exhaust pipe 4 is communicated with a side plate of the taphole area; the front side cover plate 5 and the rear side cover plate 6 of the cover body 2 are both welded into a whole to form a sealing plate, and the left side cover plate 7 and the right side cover plate 8 of the cover body 2 are both connected with the top of the cover body 2 in a sliding manner; and pipelines 15 are arranged on the periphery of the inner wall of the top of the cover body 2, high-pressure water can be introduced into the pipelines 15, and atomizing nozzles 16 are uniformly distributed on the pipelines 15.
In this embodiment, the left side and the right side at the top of the cover body 2 all are equipped with slide 9, and the up end of left side apron 7 and the up end of right side apron 8 all are fixed and are equipped with pulley 10, and pulley 10 can imbed to slide in slide 9.
In this embodiment, the top of the cover body 2 is composed of four cover plates, one of the cover plates is provided with a horn-shaped main smoke exhaust port 3, the cast house platform is used as a base 1, the steel channel piling is used as a main bearing part, and the top of the cover body 2 is installed on the bearing part.
In this embodiment, the lower part front end of right side apron 8 is equipped with breach 11, is equipped with detachable shrouding 17 on breach 11, can be equipped with the link on the shrouding, the upper end of breach be equipped with link assorted couple.
In this embodiment, the front side cover plate 5 of the cover body 2 is provided with an access opening 12, and the access opening 12 is provided with a normally closed access door 13; the rear side cover plate 6 of the cover body 2 is provided with a main channel iron slag cleaning port 14 and an observation window 18, and the main channel iron slag cleaning port 14 is provided with an access door 19.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a regional closed dust excluding hood of blast furnace stokehold casting house iron notch, includes base (1), is equipped with cover body (2) on base (1), its characterized in that: the top of the cover body (2) is provided with a horn-shaped main smoke extraction opening (3), a main smoke extraction pipe (4) is arranged on the horn-shaped main smoke extraction opening (3), and the main smoke extraction pipe (4) is communicated with a side plate of an iron notch area; the front side cover plate (5) and the rear side cover plate (6) of the cover body (2) are both welded into an integral sealing plate, and the left side cover plate (7) and the right side cover plate (8) of the cover body (2) are both connected with the top of the cover body (2) in a sliding manner; the inner wall of the top of the cover body (2) is provided with a pipeline (15) all around, high-pressure water can be introduced into the pipeline (15), and atomizing nozzles (16) are uniformly distributed on the pipeline (15).
2. The closed dust hood for the taphole area of the blast furnace cast house according to claim 1, characterized in that: the left side and the right side at the top of the cover body (2) are both provided with a slide way (9), the upper end face of the left side cover plate (7) and the upper end face of the right side cover plate (8) are both fixedly provided with a pulley (10), and the pulley (10) can be embedded into the slide way (9) to slide.
3. The closed dust hood for the taphole area of the blast furnace cast house according to claim 1, characterized in that: the top of the cover body (2) is composed of four cover plates, one of the cover plates is provided with a horn-shaped main smoke exhaust port (3), the cast house platform is used as a base (1), the channel steel piling is used as a main bearing part, and the top of the cover body (2) is arranged on the bearing part.
4. The closed dust hood for the taphole area of the blast furnace cast house according to claim 1, characterized in that: and a notch (11) is formed in the front end of the lower part of the right side cover plate (8).
5. The closed dust hood for the taphole area of the blast furnace cast house according to claim 1, characterized in that: an access hole (12) is formed in the front side cover plate (5) of the cover body (2), and a normally closed access door (13) is arranged on the access hole (12).
6. The closed dust hood for the taphole area of the blast furnace cast house according to claim 1, characterized in that: a main channel iron slag cleaning opening (14) and an observation window (18) are arranged on the rear side cover plate (6) of the cover body (2), and an access door (19) is arranged on the main channel iron slag cleaning opening (14).
7. The closed dust hood for the taphole area of the blast furnace cast house according to claim 4, wherein: and a detachable sealing plate (17) is arranged on the notch (11).
CN202021886070.9U 2020-09-02 2020-09-02 Closed dust excluding hood in iron notch area of blast furnace front cast house Active CN213739543U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021886070.9U CN213739543U (en) 2020-09-02 2020-09-02 Closed dust excluding hood in iron notch area of blast furnace front cast house

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021886070.9U CN213739543U (en) 2020-09-02 2020-09-02 Closed dust excluding hood in iron notch area of blast furnace front cast house

Publications (1)

Publication Number Publication Date
CN213739543U true CN213739543U (en) 2021-07-20

Family

ID=76842612

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021886070.9U Active CN213739543U (en) 2020-09-02 2020-09-02 Closed dust excluding hood in iron notch area of blast furnace front cast house

Country Status (1)

Country Link
CN (1) CN213739543U (en)

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