CN216550509U

CN216550509U - Disassembling and mounting tool for blast furnace tuyere small sleeve

Info

Publication number: CN216550509U
Application number: CN202123342820.3U
Authority: CN
Inventors: 刘庆涛; 张守喜; 李秀峰; 丁洪海; 孙岩; 王帅
Original assignee: Bengang Steel Plates Co Ltd
Current assignee: Bengang Steel Plates Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-17
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to the technical field of blast furnaces, in particular to a tool for disassembling and assembling a blast furnace tuyere small sleeve. The technical scheme comprises the following steps: the movable hammer comprises a hook head, a guide rod and a movable hammer, wherein the guide rod is fixedly mounted on one side of the hook head, a first shoulder is fixedly mounted at one end of the guide rod, a second shoulder is fixedly mounted at the other end of the guide rod, and the movable hammer is movably mounted on the guide rod between the first shoulder and the second shoulder. The movable hammer is arranged, and the first shoulder and the second shoulder are matched with each other, so that the problem that large special machinery cannot approach the movable hammer is solved, the direct contact of a large hammer and a steel chisel manually used is avoided, the safety accidents of human bodies and equipment caused by collapse of high-temperature coke in the furnace are avoided, time and labor are saved, high-pressure water flowing into the furnace can be greatly reduced, and the normal production of the blast furnace is ensured.

Description

Disassembling and mounting tool for blast furnace tuyere small sleeve

Technical Field

The utility model relates to the technical field of blast furnaces, in particular to a tool for disassembling and assembling a blast furnace tuyere small sleeve.

Background

The tuyere small sleeve is important equipment in a blast furnace air supply system, the material is copper, cooling water is introduced into the tuyere small sleeve, the tuyere small sleeve has the effect of feeding hot air into a blast furnace, the working environment of the tuyere small sleeve is extremely severe, the amount of generated iron slag is increased due to the increase of the reaction of the blast furnace at the edge, when a small amount of iron slag drops on the upper end of a tuyere, the tuyere is damaged, high-pressure water directly enters the blast furnace, the shutdown accident of the blast furnace is caused, and therefore the disassembly and assembly tools for the tuyere small sleeve of the blast furnace are required to be used so as to meet the use requirement.

Through the search, patent publication No. CN211814538U discloses a unload blast furnace tuyere small sleeve instrument, including slide bar, novel long hammer, spherical ball, glycerine lubricant ester, sealing washer, slide bar and the hole cooperation of long hammer, long hammer horizontal slip on the slide bar, its characterized in that, the hole of novel long hammer is made into I-shaped slotted hole, is full of glycerine lubricant ester in the groove, 4 rows of spherical ball are evenly arranged in glycerine lubricant ester, the sealing washer welds the both ends at novel long hammer.

The existing disassembling and assembling tool for the blast furnace tuyere small sleeve has the following defects:

1. the existing blast furnace tuyere small sleeve design is required to be arranged between a tuyere platform and a cast house platform, not only is close to a furnace shell and has a long and narrow space, but also any mechanical equipment cannot be close to the tuyere platform, so that more inconvenience is brought to the disassembly and assembly work;

2. the operation is complicated, in the past, tools such as a sledge hammer, a steel chisel and the like are used for drilling into a furnace shell for dismounting and mounting manually, time and labor are wasted, potential safety hazards exist, if a blast-furnace tuyere small sleeve is replaced after being shut down for a long time, production of the blast furnace is seriously affected, and therefore the dismounting and mounting tools for the blast-furnace tuyere small sleeve are provided for solving the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tool for disassembling and assembling a blast furnace tuyere small sleeve, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a dismantle and mounting tool for blast furnace tuyere small sleeve, including gib head, guide bar and removal hammer, one side fixed mounting of gib head has the guide bar, the one end fixed mounting of guide bar has first circular bead, the other end fixed mounting of guide bar has the second circular bead, movable mounting has the removal hammer on the guide bar between first circular bead and the second circular bead.

Stretching into the narrow and thin space through the gib head with this device, dragging the rope made of hemp simultaneously and driving the removal hammer and remove along the guide bar, make the removal hammer can strike the second circular bead repeatedly, drop and separate with the stove outer covering until being torn the tuyere small jacket open, dismantle and finish, place the new tuyere small jacket in the narrow and thin space mouth, drag the rope made of hemp simultaneously and drive the removal hammer and violently hit first circular bead, until new tuyere small jacket and stove outer covering closely combine, the installation finishes.

Preferably, the hook head and the guide rod are made of steel and are welded and fixed with each other. The structural strength of the hook head and the guide rod can be improved, the deformation is reduced, the service life is prolonged, and the hook head and the guide rod are not easy to fall off through welding fixation.

Preferably, the outer side of the end part of the hook head is provided with an outward striking surface, and the inner side of the end part of the hook head is provided with an inward striking surface. Let inwards hit the face and can catch the inboard edge of the tuyere body of being torn open, let outwards hit the face and can hug closely and tear the outer edge of tuyere body of being torn open.

Preferably, a reinforcing lacing wire is fixedly arranged between the guide rod and the first shoulder and between the guide rod and the second shoulder. Structural strength between guide bar and first circular bead and the second circular bead can be effectually improved through strengthening the lacing wire.

Preferably, the front end and the rear end of the movable hammer are symmetrically and fixedly provided with fixing earrings, and hemp ropes are tied on the fixing earrings. The movable hammer is driven to move along the guide rod by dragging the hemp rope.

Preferably, the movable hammer and the guide rod are movably installed through a movable opening, the diameter of the movable hammer is 200mm, and the height of the movable hammer is 230 mm. The movable hammer can conveniently slide back and forth along the guide rod through the movable opening, and is convenient and fast, small in size through the movable hammer, time-saving and labor-saving for operating personnel to use, and convenient and fast.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with gib head and guide bar, design benefit, simple structure, it is light swift, gib head and guide bar can directly stretch into constrictive working space operation, have solved because the difficult problem that the narrow large-scale special machinery of job site space can't be close to.

2. Through being provided with the cooperation each other between removal hammer, first circular bead and the second circular bead, avoided artifical heavy hammer, the drill rod direct contact of using, stopped the stove in high temperature coke and collapsed, lead to the emergence of person and equipment incident, labour saving and time saving shortens the maintenance time limit for a project, but the high pressure water that significantly reduces flows into in the stove, ensures the normal production of blast furnace.

Drawings

FIG. 1 is a front perspective view of the present invention;

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

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a partial structural view of a first shoulder of the present invention;

fig. 5 is a partial structural diagram of the mobile hammer of the present invention.

In the figure: 1. a hook head; 101. an outward striking face; 102. an inward striking face; 2. a guide bar; 201. a first shoulder; 202. a second shoulder; 203. reinforcing the lacing wires; 3. moving the hammer; 301. fixing the earrings; 302. hemp ropes; 303. a movable opening.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-5, the tool for detaching and installing a small tuyere sleeve of a blast furnace provided by the utility model comprises a hook head 1, a guide rod 2 and a movable hammer 3, wherein the guide rod 2 is fixedly installed at one side of the hook head 1, a first shoulder 201 is fixedly installed at one end of the guide rod 2, a second shoulder 202 is fixedly installed at the other end of the guide rod 2, the movable hammer 3 is movably installed on the guide rod 2 between the first shoulder 201 and the second shoulder 202, a fixed ear ring 301 is symmetrically and fixedly installed at the front end and the rear end of the movable hammer 3, a hemp rope 302 is tied on the fixed ear ring 301, an outward striking surface 101 is arranged at the outer side of the end part of the hook head 1, and an inward striking surface 102 is arranged at the inner side of the end part of the hook head 1.

The working principle of the disassembling and assembling tool for the blast furnace tuyere small sleeve based on the embodiment 1 is as follows: when the device is used, firstly, the hook head 1 of the device extends into a long and narrow space, the inward striking surface 102 hooks the inner side edge of the detached tuyere small sleeve, the hemp rope 302 is dragged to drive the movable hammer 3 to move along the guide rod 2, the movable hammer 3 can repeatedly impact the second shoulder 202 until the detached tuyere small sleeve falls off and is separated from a furnace shell, the detachment is finished, then, the new tuyere small sleeve is placed at the long and narrow space, the outward striking surface 101 is tightly attached to the outer side edge of the detached tuyere small sleeve, the hemp rope 302 is dragged to drive the movable hammer 3 to violently strike the first shoulder 201 until the new tuyere small sleeve is tightly combined with the furnace shell, and the installation is finished.

Example two

As shown in fig. 1-5, compared with the first embodiment, the dismounting and mounting tool for a tuyere small sleeve of a blast furnace according to the present invention further includes: the material of gib head 1 and guide bar 2 all is 45 steel, and is welded fastening between gib head 1 and the guide bar 2, all fixed mounting has the enhancement lacing wire 203 between guide bar 2 and first circular bead 201 and the second circular bead 202, moves through activity mouth 303 movable mounting between hammer 3 and the guide bar 2, and the diameter of moving hammer 3 is 200mm, and moves hammer 3's height and is 230 mm.

In this embodiment, can utilize the material to be 45 steel can improve the structural strength of gib head 1 and guide bar 2, reduce the condition of taking place to warp, service life has been improved, can make difficult the emergence between gib head 1 and the guide bar 2 drop through welded fastening, structural strength between can effectual improvement guide bar 2 and first circular bead 201 and the second circular bead 202 through strengthening lacing wire 203, can conveniently make through activity mouth 303 and remove hammer 3 and slide back and forth along with guide bar 2, and is convenient and fast, it is small through removing hammer 3, make the operating personnel use labour saving and time saving, and is convenient and fast.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. A dismantle and mounting tool for blast furnace tuyere oversleeve, including gib head (1), guide bar (2) and removal hammer (3), its characterized in that: one side fixed mounting of gib head (1) has guide bar (2), the one end fixed mounting of guide bar (2) has first circular bead (201), the other end fixed mounting of guide bar (2) has second circular bead (202), movable mounting has removal hammer (3) on guide bar (2) between first circular bead (201) and second circular bead (202).

2. The disassembly and assembly tool for a blast furnace tuyere small sleeve as set forth in claim 1, wherein: the hook head (1) and the guide rod (2) are made of 45 steel, and the hook head (1) and the guide rod (2) are fixed by welding.

3. The disassembly and assembly tool for a blast furnace tuyere small sleeve as set forth in claim 1, wherein: the outside of gib head (1) tip is provided with outside and hits face (101), and the inboard of gib head (1) tip is provided with inside and hits face (102).

4. The disassembly and assembly tool for a blast furnace tuyere small sleeve as set forth in claim 1, wherein: and reinforcing lacing wires (203) are fixedly arranged between the guide rod (2) and the first shoulder (201) and between the guide rod and the second shoulder (202).

5. The disassembly and assembly tool for a blast furnace tuyere small sleeve as set forth in claim 1, wherein: the front end and the rear end of the movable hammer (3) are symmetrically and fixedly provided with fixed earrings (301), and hemp ropes (302) are tied on the fixed earrings (301).

6. The disassembly and assembly tool for a blast furnace tuyere small sleeve as set forth in claim 1, wherein: the movable hammer (3) and the guide rod (2) are movably mounted through a movable opening (303), the diameter of the movable hammer (3) is 200mm, and the height of the movable hammer (3) is 230 mm.