CN217398908U - Blast furnace gun cap - Google Patents

Blast furnace gun cap Download PDF

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Publication number
CN217398908U
CN217398908U CN202123005027.4U CN202123005027U CN217398908U CN 217398908 U CN217398908 U CN 217398908U CN 202123005027 U CN202123005027 U CN 202123005027U CN 217398908 U CN217398908 U CN 217398908U
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China
Prior art keywords
gun
gun cap
cap
blast furnace
special
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Active
Application number
CN202123005027.4U
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Chinese (zh)
Inventor
谢吉祥
陈小平
吴从方
王术新
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Yancheng Lianxin Iron and Steel Co Ltd
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Yancheng Lianxin Iron and Steel Co Ltd
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Priority to CN202123005027.4U priority Critical patent/CN217398908U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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Abstract

The utility model discloses a gun cap of blast furnace mud gun, including the gun cap main part, gun cap main part bottom external connection has quick plug, and the axis of gun cap main part and the axis of quick plug coincide each other. The special gun cap of the blast furnace mud gun is fast to install, the special gun cap does not need to be welded, an old conventional gun cap does not need to be detached, and the special gun cap can be installed and finished by inserting a fast plug into a channel of the old conventional gun cap; the operation is safe, and the installation can be quickly finished after operators wear the protective clothing due to quick installation, so that the possibility of high-temperature burn and iron slag scald is greatly reduced; the environmental protection accident is avoided, the operation of blocking the iron notch can be carried out again after the special gun cap is installed quickly, the iron notch splashing time is reduced, and the possibility of yellow smoke emission is greatly reduced.

Description

Blast furnace gun cap
Technical Field
The utility model relates to the technical field of blast furnace iron-making, in particular to a gun cap of a blast furnace mud gun.
Background
The blast furnace taphole is a discharge channel of high-temperature molten iron slag, and when the iron slag is discharged completely, the stemming needs to be driven into the taphole by a hydraulic clay gun device for plugging. The gun head part of the hydraulic mud gun is welded with a gun cap, and the gun cap is directly contacted with high-temperature molten iron slag when the mouth is blocked, so that the hydraulic mud gun is easily eroded and damaged by the high-temperature iron slag. The damage of the gun cap is slight in general conditions, and the normal plugging operation is not influenced. However, when the slag iron flow is extremely large or the blocking operation is in error, the damage of the gun cap is extremely large, and the possibility of the blocking failure of the iron notch exists. If the iron notch sealing fails, the damaged gun cap must be replaced and the iron notch sealing is carried out again, and the conventional gun cap replacement operation is not practical because the temperature of the working area is more than 200 ℃ and the slag splashed by slag iron is filled. In addition, a large amount of yellow smoke is easily generated by long-time iron notch splashing, so that environmental protection accidents are caused. If the gun cap is not replaced and the taphole is required to be plugged, only the air pressure in the blast furnace can be reduced, so that the yield of the blast furnace molten iron is reduced, the fuel consumption of the blast furnace is increased and other adverse effects are caused, and the economic loss is serious.
Therefore, the treatment of the damaged gun cap under the conditions of safety, rapidness and no reduction of the air pressure in the blast furnace is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gun cap of blast furnace mud gun to what provide in solving above-mentioned background art when the shutoff of blast furnace iron notch is failed, how the problem to the processing of damaged gun cap under the condition that the wind pressure does not reduce in safety, swift and the blast furnace.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gun cap of blast furnace mud gun, includes the gun cap main part, gun cap main part bottom external connection has quick plug, and the axis of gun cap main part and the axis of quick plug coincide each other.
Preferably, the gun cap body and the quick connector are connected together by welding.
Preferably, the outer end face of the quick plug is in a bevel structure, and the angle between the bevel angle of the quick plug and the horizontal direction is 60 degrees.
Compared with the prior art, the beneficial effects of the utility model are that: the special gun cap of the blast furnace mud gun is fast to install, the special gun cap does not need to be welded, an old conventional gun cap does not need to be detached, and the special gun cap can be installed and finished by inserting a fast plug into a channel of the old conventional gun cap; the operation is safe, and the installation can be quickly finished after operators wear the protective clothing due to quick installation, so that the possibility of high-temperature burn and iron slag scald is greatly reduced; the environmental protection accident is avoided, the operation of blocking the iron notch can be carried out again after the special gun cap is quickly installed, the iron notch splashing time is reduced, and the possibility of yellow smoke emission is greatly reduced; the blast furnace is prevented from reducing air, the special gun cap can quickly process the condition of iron notch plugging failure, the blast furnace does not need to reduce the pressure in the furnace for processing, and the economic loss caused by the reduction of yield and the increase of fuel consumption is avoided; the structure is simple, all structural components are commonly used and are easy to obtain, the manufacturing is simple, and the workload of maintenance is small.
Drawings
Fig. 1 is a schematic front view of a gun cap of a blast furnace gun according to the present invention;
fig. 2 is a schematic side view of the gun cap of the blast furnace gun of the utility model.
In the figure: 1. the gun cap main part, 2, quick plug.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a gun cap of blast furnace mud gun, including gun cap main part 1, 1 bottom external connection of gun cap main part has quick plug 2, the axis of gun cap main part 1 and quick plug 2's axis coincide each other, gun cap main part 1 is in the same place through welded connection with quick plug 2, this structure makes more firm that can be connected between gun cap main part 1 and the quick plug 2, the outer terminal surface of quick plug 2 is the oblique angle structure, and quick plug 2's oblique angle and horizontal direction's angle are 60, this structure makes in quick plug 2 can insert the passageway of old conventional gun cap fast, the convenience is fixed this special gun cap on old conventional gun cap, convenient quick carry out the blocking operation of iron notch once more, and the oblique angle can make this special gun cap easier insert among the stemming.
The conventional gun cap is directly welded on the gun head of the mud gun under normal conditions, a welding point needs to be damaged during replacement, then the old conventional gun cap is knocked down, a new conventional gun cap is welded, the whole process is carried out under the condition that the tapping hole stops tapping, and the temperature of an operation area is low, and the consumed time is about 20 minutes. However, when the conventional gun cap is seriously damaged and needs to be replaced due to the failure of the blockage of the blast furnace taphole, the environmental temperature of an operation area is generally over 200 ℃, and the normal gun cap cannot be normally replaced due to the fact that the normal gun cap is filled with splashed iron slag. Can use this special gun cap to change this moment, because gun cap main part 1 below has quick plug 2, so need not carry out welding operation, directly insert quick plug 2 in the passageway of old conventional gun cap, alright fix this special gun cap on old conventional gun cap, whole process is about 2 minutes consuming time, and special gun cap installs the back alright carry out the indisputable mouthful shutoff operation once more.
The special gun cap of the blast furnace clay gun is quickly installed, the special gun cap does not need to be welded, an old conventional gun cap does not need to be detached, and the special gun cap can be installed by inserting a quick plug into a channel of the old conventional gun cap; the operation is safe, and due to the rapid installation, the installation can be rapidly completed after the protective clothing is worn by the operators, so that the possibility of high-temperature burns and iron slag scalds is greatly reduced; the environmental protection accident is avoided, the operation of blocking the iron notch can be carried out again after the special gun cap is quickly installed, the iron notch splashing time is reduced, and the possibility of yellow smoke emission is greatly reduced; the blast furnace is prevented from reducing air, the special gun cap can quickly process the condition of iron notch plugging failure, the blast furnace does not need to reduce the pressure in the furnace for processing, and the economic loss caused by the reduction of yield and the increase of fuel consumption is avoided; simple structure, easy obtaining of all structural components, simple manufacture and small workload of maintenance
To sum up, the utility model provides a pair of gun cap of blast furnace mud gun has realized that the iron notch shutoff of blast furnace fails and when leading to conventional gun cap serious damage, can handle damaged gun cap under the condition that the pressure need not reduce in safety, swift and the blast furnace to carry out iron notch shutoff operation once more. The utility model has the advantages of safety, high efficiency, environmental protection and stable operation of the blast furnace.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (3)

1. The utility model provides a gun cap of blast furnace mud gun, includes gun cap main part (1), its characterized in that: the fast plug (2) is connected to the outer portion of the bottom end of the gun cap main body (1), and the axis of the gun cap main body (1) and the axis of the fast plug (2) coincide with each other.
2. The cap of a blast furnace clay gun as claimed in claim 1, wherein: the gun cap main body (1) is connected with the quick plug (2) through welding.
3. The cap of a blast furnace clay gun as claimed in claim 1, wherein: the outer end face of the quick plug (2) is of an oblique angle structure, and the oblique angle of the quick plug (2) is 60 degrees relative to the horizontal direction.
CN202123005027.4U 2021-12-02 2021-12-02 Blast furnace gun cap Active CN217398908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123005027.4U CN217398908U (en) 2021-12-02 2021-12-02 Blast furnace gun cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123005027.4U CN217398908U (en) 2021-12-02 2021-12-02 Blast furnace gun cap

Publications (1)

Publication Number Publication Date
CN217398908U true CN217398908U (en) 2022-09-09

Family

ID=83133148

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123005027.4U Active CN217398908U (en) 2021-12-02 2021-12-02 Blast furnace gun cap

Country Status (1)

Country Link
CN (1) CN217398908U (en)

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