CN215050439U - Front mouth gag for blast furnace - Google Patents

Abstract

The utility model belongs to blast furnace application apparatus field especially relates to a stokehold mouth gag for blast furnace, including the drilling rod that is cylindrical setting, the drilling rod surface be provided with the recess, the fixed disk surface be provided with first drill bit, the drilling rod outside be provided with prevent the cover that splashes, prevent splashing and be provided with the anticollision piece in the cover, prevent splashing cover one end and be provided with the connecting block, the connecting block lower extreme be provided with the mobile device, the mobile device set up in the recess, the mobile device include inside and outside connecting rod and the gyro wheel that sets up. The utility model discloses an adopt the mouth gag can convenient and fast's durable iron notch mud cover of production, appear running the mud phenomenon when avoiding the shutoff iron notch, guarantee that the blast furnace in time goes out clean slag iron, alleviate intensity of labour, improve the iron notch qualification rate, for the smooth creation advantage of the stove condition, ensure blast furnace production safety, prevent simultaneously that the cover that splashes can prevent that impurity from taking place to splash at iron notch mud cover clearance in-process, protection workman personal safety.

Description

Front mouth gag for blast furnace

Technical Field

The utility model belongs to blast furnace application equipment field especially relates to a stokehold mouth gag for blast furnace.

Background

The blast furnace is a device which continuously loads raw fuels such as iron ore, coke and the like, melts and separates the iron ore into liquid molten iron after a series of reactions, the molten iron flows out through a taphole at the lower part of the blast furnace and is transported to a processing area for other processing treatment, the taphole is the only channel for the molten iron to flow out, the blast furnace needs to be periodically opened and plugged to complete one-time tapping operation due to the discontinuity of taphole tapping, a hydraulic mud gun for plugging the taphole of the blast furnace needs to be in tight contact with a mud sleeve of the taphole of the blast furnace, a fire clay is shot into the taphole through the high pressure of the hydraulic gun to plug the taphole, thereby completing the process of plugging the taphole, and the integrity of the mud sleeve and the smoothness of the contact surface of the mud sleeve and the hydraulic gun are normally repaired in order to ensure that the integrity of the taphole mud sleeve and the smoothness of the contact surface of the mud sleeve and the hydraulic gun are normally maintained .

Need the closely operation of workman under high temperature environment when traditional indisputable mouthful mud cover is restoreed, intensity of labour is big, the repair process has impurity such as iron slag to splash easily, there is the potential safety hazard, and prosthetic roughness can not effectively be guaranteed completely to artifical prosthetic effect, simultaneously because there is not suitable instrument, all adopt artifical simple preparation when doing indisputable mouthful mud cover at every turn, the indisputable mouthful mud cover of preparation is not only nonstandard, and easily cause the stifled indisputable mouthful of time of running mud, influence blast furnace production safety and stable direct motion, increase stokehold operating personnel's intensity of labour.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to foretell artifical preparation mud cover nonstandard technical problem who exists that impurity splashes when restoreing indisputable mouthful mud cover artificially, provide a stokehold mouth gag for blast furnace that reasonable in design, simple structure, processing are convenient and can promote mud cover standardization and effectively prevent to administer indisputable mouthful mud cover impurity emergence when covering splashes.

In order to achieve the purpose, the technical scheme adopted by the utility model is a furnace front mouth gag for a blast furnace, which comprises a drill rod which is arranged in a cylindrical shape, wherein the outer surface of the drill rod is provided with grooves, two grooves are symmetrically arranged on the upper end surface and the lower end surface of the drill rod, one side of the drill rod is provided with a disc, one side of the disc is provided with a turntable, one side of the turntable is provided with a fixed disc, the outer surface of the fixed disc is provided with a first drill bit which is arranged at the center of the fixed disc, the outer surface of the fixed disc is also provided with a second drill bit, four annular arrays of the second drill bits are arranged at the edge of the fixed disc, the outer part of the drill rod is provided with a splash-proof cover, the splash-proof cover is in a two-sector semicircular design, the outer part of the splash-proof cover is provided with a fixing device, and six fixing devices are symmetrically arranged outside the splash-proof cover, the anti-splash cover in be provided with the anticollision piece, anti-splash cover one end be provided with the connecting block, two the connecting block symmetry set up in anti-splash cover bottom both sides, the connecting block lower extreme be provided with the mobile device, the mobile device set up in the recess, the mobile device include inside and outside connecting rod and the gyro wheel that sets up, the connecting rod set up at the connecting block lower extreme and with the drilling rod contact, two the gyro wheel setting in the connecting rod both sides.

Preferably, the two anti-splash cover fan-shaped semicircles are clamped together, the fixing device comprises fixing blocks and fastening bolts, the fixing blocks are symmetrically arranged at the joints of the two anti-splash covers, the fastening bolts are arranged in the two adjacent fixing blocks, a support is arranged on one side of the disc, and the support is arranged at the upper end of the drill rod.

Preferably, a tapping machine is arranged at one end of the drill rod, a connecting joint is arranged at the connecting position of the drill rod and the tapping machine, sleeve rods are arranged between the first drill bit and the fixed disc and between the second drill bit and the fixed disc, and the anti-collision block is made of rubber.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. through adopting the mouth gag can convenient and fast's durable iron notch mud cover of preparation, appear running the mud phenomenon when avoiding the shutoff iron notch, guarantee that the blast furnace in time goes out clean slag iron, alleviate intensity of labour, improve the iron notch qualification rate, create the advantage for the furnace condition is in the same direction as driving, ensure blast furnace production safety, prevent simultaneously that the cover that splashes can prevent that impurity from taking place to splash in iron notch mud cover clearance process, protection workman personal safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of a stokehole opener for a blast furnace;

FIG. 2 is a side view showing the structure of a front mouth gag for a blast furnace;

FIG. 3 is a structural section view of a groove of a drill rod;

FIG. 4 is a schematic structural view of the splash shield;

in the above figures, 1, a drill rod; 1a, a groove; 2. a splash guard; 21. an anti-collision block; 22. connecting blocks; 3. a fixing device; 31. a fixed block; 32. fastening a bolt; 4. a mobile device; 41. a roller; 42. a connecting rod; 5. a tapping machine; 6. connecting a joint; 7. a support; 8. a disc; 9. a turntable; 10. fixing the disc; 101. a first drill bit; 102. a second drill bit.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

In the embodiment, as shown in fig. 1 and fig. 2, a furnace front mouth gag for a blast furnace, a drill rod 1 which is arranged in a cylindrical shape has the same shape as the drill rod 1 in the prior art, grooves 1a are arranged on the outer surface of the drill rod 1, the two grooves 1a are symmetrically arranged on the upper end surface and the lower end surface of the drill rod 1, the grooves 1a are arranged to provide installation positions for a moving device 4, a disc 8 is arranged on one side of the drill rod 1, the disc 8 provides installation space for a drill bit, a rotary disc 9 is arranged on one side of the disc 8, the rotary disc 9 drives the drill bit to rotate, a fixed disc 10 is arranged on one side of the rotary disc 9, the fixed disc 10 improves the connection stability of the drill bit, a first drill bit 101 is arranged on the outer surface of the fixed disc 10, the first drill bit 101 is arranged at the center of the fixed disc 10, the first drill bit 101 not only can play a positioning role, but also can primarily break down a taphole mud sleeve to facilitate the proceeding of subsequent work, a second drill bit 102 is further arranged on the outer surface of the fixed disc 10, the four second drill bits 102 are annularly arrayed at the edge of the fixed disc 10, so that the waste mud sleeve is cleaned more thoroughly, the anti-splash cover 2 is arranged outside the drill rod 1, impurities splashed in the cleaning process are blocked, the anti-splash cover 2 is in a two-fan-shaped semicircular design, the fixing devices 3 are arranged outside the anti-splash cover 2, the six fixing devices 3 are symmetrically arranged outside the anti-splash cover 2, the fixing devices 3 realize stable connection of the anti-splash cover 2 and avoid falling off in the use process, the anti-collision block 21 is arranged in the anti-splash cover 2, the abrasion caused by collision of the impurities and the anti-splash cover 2 is reduced, the abrasion resistance of the device is improved, the connecting blocks 22 are arranged at one end of the anti-splash cover 2, the two connecting blocks 22 are symmetrically arranged at two sides of the bottom of the anti-splash cover 2, the anti-splash cover 2 is connected with the moving device 4 through the connecting blocks 22, the moving device 4 is arranged at the lower end of the connecting blocks 22, the moving device 4 is arranged in the groove 1a, the moving device 4 can realize the movement of the anti-splash cover 2, the anti-splash cover 2 can move in the opposite direction along with the continuous advance of the drill rod 1 in the working process of the mouth gag, so that the drill bit of the anti-splash cover 2 can be covered in the whole operation process, impurities can be prevented from flying out, the moving device 4 comprises a connecting rod 42 and rollers 41 which are arranged inside and outside, the connecting rod 42 is arranged at the lower end of the connecting block 22 and is contacted with the drill rod 1, the connecting rod 42 can realize the fixed connection of the rollers 41 and the connecting block 22, the two rollers 41 are arranged at the two sides of the connecting rod 42, the rollers 41 can make the movement of the anti-splash more smooth, when in use, the rotating rod is connected onto the tapping machine 5, an operator pushes the tapping machine 5 forwards to rotate the tapping machine 5 when reaching a proper position, the waste taphole clay sleeve is cleaned by the drill bit, the tapping machine 5 is withdrawn, and new stemming is uniformly filled into the taphole, the durable taphole mud sleeve can be conveniently and quickly manufactured by the mouth gag, the mud leakage phenomenon during the process of plugging the taphole is avoided, the timely slag tapping of the blast furnace is ensured, the labor intensity is reduced, the taphole qualification rate is improved, favorable conditions are created for smooth operation of the furnace condition, and the production safety of the blast furnace is ensured.

In order to increase the practicality of device, two prevent splashing 2 fan-shaped semicircle joints of cover are in the same place, the joint can realize convenient installation and the dismantlement of device, make simultaneously to prevent splashing more convenient when installing in the notch, fixing device 3 includes fixed block 31 and fastening bolt 32, fixed block 31 symmetry sets up and prevents splashing 2 knecks of cover two, fixed block 31 makes to prevent splashing 2 can firmly cooperate together, fastening bolt 32 sets up in two adjacent fixed blocks 31, fastening bolt 32 is together fixed with fixed block 31, improve two and prevent splashing the fixed effect between 2 of cover, disc 8 one side is provided with support 7, support 7 sets up in 1 upper end of drilling rod, support 7 improves the connection firm nature of device.

In order to reduce labor intensity of workers and accelerate working process, one end of a drill rod 1 is provided with a tapping machine 5, the tapping machine 5 provides power for a tapping device, a connecting joint 6 is arranged at the joint of the drill rod 1 and the tapping machine 5, the connecting joint 6 enables connection between the drill rod 1 and the tapping machine 5 to be more stable and firm, a sleeve rod is arranged between the first drill bit 101, the second drill bit 102 and the fixed disk 10 and is convenient for mounting and dismounting of the drill bits, the anti-collision block 21 is made of rubber, the rubber has better wear resistance, collision between impurities and the anti-splashing cover 2 is effectively reduced, and the service life of the device is prolonged.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (3)

1. A stokehole mouth gag for a blast furnace comprises a drill rod which is arranged in a cylindrical shape, and is characterized in that grooves are formed in the outer surface of the drill rod, two grooves are symmetrically arranged on the upper end surface and the lower end surface of the drill rod, a disc is arranged on one side of the drill rod, a rotary disc is arranged on one side of the disc, a fixed disc is arranged on one side of the rotary disc, a first drill bit is arranged on the outer surface of the fixed disc and arranged in the center of the fixed disc, a second drill bit is further arranged on the outer surface of the fixed disc, an annular array of the four second drill bits is arranged at the edge of the fixed disc, an anti-splashing cover is arranged outside the drill rod and is in two-sector semicircular design, fixing devices are arranged outside the anti-splashing cover, six fixing devices are symmetrically arranged outside the anti-splashing cover, and an anti-collision block is arranged in the anti-splashing cover, prevent cover one end that splashes and be provided with the connecting block, two the connecting block symmetry set up and prevent cover bottom both sides that splashes, the connecting block lower extreme be provided with the mobile device, the mobile device set up in the recess, the mobile device include inside and outside connecting rod and the gyro wheel that sets up, the connecting rod set up at the connecting block lower extreme and with the drilling rod contact, two the gyro wheel setting in the connecting rod both sides.

2. The stokehole mouth gag for the blast furnace according to claim 1, characterized in that two anti-splash cover fan-shaped semicircles are clamped together, the fixing device comprises fixing blocks and fastening bolts, the fixing blocks are symmetrically arranged at the interfaces of the two anti-splash covers, the fastening bolts are arranged in two adjacent fixing blocks, a bracket is arranged on one side of the disc, and the bracket is arranged at the upper end of the drill rod.

3. The stokehole mouth gag for the blast furnace according to claim 2, characterized in that a mouth gag is arranged at one end of the drill rod, a connecting joint is arranged at the joint of the drill rod and the mouth gag, sleeve rods are arranged between the first drill bit and the fixed disc and between the second drill bit and the fixed disc, and the anti-collision block is made of rubber.

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