CN216738415U

CN216738415U - Device for quickly opening tuyere of blast furnace

Info

Publication number: CN216738415U
Application number: CN202123295786.9U
Authority: CN
Inventors: 王龙; 张小帅; 葛育
Original assignee: Shaanxi Steel Group Hanzhong Iron and Steel Co Ltd
Current assignee: Shaanxi Steel Group Hanzhong Iron and Steel Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-14
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a device for quickly opening a blast furnace tuyere, which belongs to the technical field of metallurgy and comprises a straight rod and a slide rod, wherein the slide rod is arranged on one side of the straight rod, a guide rod is fixedly arranged on one side of the slide rod, which is close to the straight rod, one end of the guide rod, which is far away from the slide rod, is inserted into the straight rod, a support rod is fixedly arranged on one end of the slide rod, which is far away from the straight rod, two rib plates are fixedly arranged on one side of a support ring, which is close to the slide rod, both sides, which are opposite to the two rib plates, are fixedly connected with the surface of the slide rod, and a slide hammer and a baffle plate are sleeved on the surface of the slide rod. It can realize quick opening the wind gap, for the furnace condition resumes provides the condition, has improved the security of operation process, and wholly adopts two segmentation structures, is convenient for remove the transportation, and does not need the user to support when hitting, then avoids hitting the vibrations that cause and cause the injury to the user when beating.

Description

Device for quickly opening tuyere of blast furnace

Technical Field

The utility model relates to the technical field of metallurgy, in particular to a device for quickly opening a blast furnace tuyere.

Background

When the blast furnace stops blowing, part of the tuyere needs to be plugged by refractory mortar according to the process requirements, and the tuyere needs to be opened respectively according to the furnace condition recovery after air supply. At present, a self-made air inlet poking rod is used for opening the air inlet. The wind gap cover plate is opened during operation, the front end of the poking rod is inserted into the wind gap, the rear end of the poking rod is beaten by a large hammer in a matching manner, and all plugging mud is beaten for many times. The strong wind pressure and noise exist during operation, the swinging sledgehammer is easy to deflect, personnel injury is caused, the distance between the swinging sledgehammer and the air port is too close to the right side, and the operating personnel is easy to scald when the operating personnel is not evacuated in time when the slag is sprayed from the air port. When the air inlet is opened by a poking rod, only one person can hit the air inlet at the same time, the hitting force cannot be improved, and when the air inlet is difficult to open, the air inlet needs to be opened frequently in different periods, so that the furnace condition recovery progress is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a device for quickly opening a blast furnace tuyere, which can realize quick opening of the tuyere, provide conditions for recovering furnace conditions, improve the safety of the operation process, be convenient to move and transport due to the integrally two-section structure, and avoid the damage to a user due to vibration caused by striking without being supported by the user when striking.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A device for quickly opening a blast furnace tuyere comprises a straight rod and a slide rod, wherein the slide rod is arranged on one side of the straight rod, a guide rod is fixedly arranged on one side of the slide rod close to the straight rod, one end of the guide rod far away from the slide rod is inserted in the straight rod, a support rod is fixedly arranged at one end of the slide rod, which is far away from the straight rod, two rib plates are fixedly arranged at one side of the support rod, which is close to the slide rod, one opposite sides of the two rib plates are fixedly connected with the surface of the slide rod, the surface of the slide bar is sleeved with a slide hammer and a baffle plate, the baffle plate is fixedly connected with the slide bar, the sliding hammer is connected with the sliding rod in a sliding mode, connecting lugs are arranged on two sides of the sliding hammer, a connecting mechanism matched with the straight rod is arranged inside the sliding rod, and a lubricating piece is further arranged between the sliding hammer and the sliding rod.

Further, coupling mechanism includes stock, fixture block and solid fixed ring, the both ends of stock set up respectively the slide bar with the inside of guide bar, just the mid portion of stock through the pivot with the inner chamber of slide bar rotates to be connected, the fixture block sets up the stock is kept away from the one end of slide bar, the upper end of fixture block sets up in the inner chamber of straight-bar, gu fixed ring fixed mounting is in the inner chamber of straight-bar, the upper end of fixture block with gu fixed ring is relative, the inboard fixed mounting of slide hammer has the gag lever post, just set up the shifting chute that uses with it on the slide bar, the bottom of gag lever post with the top contact of stock.

Furthermore, the lubricating part comprises a plurality of steel balls, the steel balls are mounted on the inner side of the sliding hammer, four arc-shaped sliding grooves are formed in the surface of the sliding rod, and one side, close to the sliding rod, of the steel balls is uniformly arranged inside the four sliding grooves.

Furthermore, a hexagonal nut is fixedly mounted at the upper end of the straight rod.

Furthermore, the limiting rod is a round rod, and one end of the limiting rod, which is close to the long rod, is a hemisphere.

Furthermore, both sides of the upper end of the clamping block are provided with arc-shaped surfaces, and the lowest end of each arc-shaped surface is located inside the corresponding guide rod.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

this scheme can be quick opens the wind gap, for the furnace condition resumes to provide the condition, has improved the security of operation process, and wholly adopts two segmentation structures, is convenient for remove the transportation, and does not need the user to support when hitting, then avoids hitting the vibrations that cause when beating and causes the injury to the user.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

fig. 5 is an enlarged view of the utility model at B in fig. 2.

The reference numbers in the figures illustrate:

1. a straight rod; 2. a slide bar; 3. a guide bar; 4. a support bar; 5. a rib plate; 6. a slide hammer; 7. a baffle plate; 8. connecting lugs; 9. a long rod; 10. a clamping block; 11. a fixing ring; 12. a limiting rod; 13. steel balls; 14. a chute; 15. a hexagonal nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example 1:

referring to fig. 1-5, a device for quickly opening a blast furnace tuyere comprises a straight rod 1 and a sliding rod 2, wherein the sliding rod 2 is arranged on one side of the straight rod 1, a guide rod 3 is fixedly arranged on one side of the sliding rod 2 close to the straight rod 1, one end of the guide rod 3 far away from the sliding rod 2 is inserted in the straight rod 1, a support rod 4 is fixedly arranged on one end of the sliding rod 2 far away from the straight rod 1, two rib plates 5 are fixedly arranged on one side of the support rod 4 close to the sliding rod 2, one opposite sides of the two rib plates 5 are fixedly connected with the surface of the sliding rod 2, a sliding hammer 6 and a baffle 7 are sleeved on the surface of the sliding rod 2, the baffle 7 is fixedly connected with the sliding rod 2, the sliding hammer 6 is in sliding connection with the sliding rod 2, connecting lugs 8 are arranged on two sides of the sliding hammer 6, a connecting mechanism matched with the straight rod 1 is arranged in the sliding rod 2, a lubricating piece is arranged between the sliding hammer 6 and the sliding rod 2, when the device is used, a user inserts the straight rod 1 into the tuyere, slide bar 2 is connected with straight-bar 1 through guide bar 3 again, fix the rope made of hemp on engaging lug 8, remove smooth hammer 6 through the rope made of hemp, smooth hammer 6 removes the back coupling mechanism function, it is fixed with guide bar 3 and straight-bar 1, user's accessible whipping smooth hammer 6 hits the beat baffle 7 afterwards, and give straight-bar 1 with the impact force transmission, 1 one end of straight-bar can be poked the stifled mud in the wind gap for sharp-pointed shape and open, compare and use the sledgehammer and hit the beating, this scheme can accomplish more quick opening wind gap, and the security is good.

Referring to fig. 4 and 5, the connecting mechanism includes a long rod 9, a fixture block 10 and a fixing ring 11, two ends of the long rod 9 are respectively disposed inside the sliding rod 2 and the guide rod 3, and a middle portion of the long rod 9 is rotatably connected with an inner cavity of the sliding rod 2 through a rotating shaft, the fixture block 10 is disposed at one end of the long rod 9 away from the sliding rod 2, an upper end of the fixture block 10 is disposed in the inner cavity of the straight rod 1, the fixing ring 11 is fixedly mounted in the inner cavity of the straight rod 1, an upper end of the fixture block 10 is opposite to the fixing ring 11, a limiting rod 12 is fixedly mounted at an inner side of the sliding hammer 6, a moving groove used in cooperation with the sliding rod 2 is formed on the sliding rod 2, a bottom of the limiting rod 12 contacts with a top of the long rod 9, the limiting rod 12 changes along with a moving position of the sliding hammer 6, the long rod 9 can be in a vertical state at one side of a rotating center of the long rod 9, the fixture block 10 is limited by the fixing ring 11, and the guide rod 3 and the straight rod 1 can be fixed, and when being in the opposite side of stock 9 rotation center, stock 9 is unrestricted, and the heavier downward sloping of one end of fixture block 10 can cancel the fixed to guide bar 3 and straight-bar 1.

Referring to fig. 3 and 4, the lubricating piece includes a plurality of steel balls 13, a plurality of steel balls 13 are installed in the inboard of slide hammer 6, four curved spout 14 have been seted up on the surface of slide bar 2, one side that a plurality of steel balls 13 are close to slide bar 2 evenly sets up in the inside of four spout 14, set up steel ball 13 and slide bar 2 contact, it is more smooth and easy when can making spout 14 remove, thereby the speed when making its removal is faster, the impact force is bigger, the user is also more light laborsaving when removing slide hammer 6, and set up spout 14 and can restrict slide hammer 6 through steel ball 13, the upset leads to the twine when avoiding slide hammer 6 to remove.

Referring to fig. 1, a hexagonal nut 15 is fixedly installed at the upper end of the straight rod 1, and when the welding torch is used, the hexagonal nut 15 can be inserted into the welding torch, so that the straight rod 1 can be smoothly pushed into the tuyere and keep balance.

Referring to fig. 4, the stopper rod 12 is configured as a circular rod, and one end of the stopper rod 12 near the long rod 9 is configured as a hemisphere. The friction resistance of the limiting rod 12, the long rod 9 and the inner wall of the sliding rod 2 can be reduced by the arrangement, and the influence on the moving fluency of the sliding hammer 6 is avoided.

Referring to fig. 5, both sides of the upper end of the fixture block 10 are provided with arc-shaped surfaces, and the lowest end of the arc-shaped surface is located inside the guide rod 3, so that the fixture block 10 can be easily inserted into or taken out of the straight rod 1 even if the position of the fixture block is downward during use.

The working principle is as follows: during the use, the user inserts the straight-bar 1 into the wind gap firstly, then insert the inside of straight-bar 1 with guide bar 3 from the straight-bar 1 end, then hold up the both ends of bracing piece 4, it bindes the twine to alternate on the engaging lug 8 again, will use smooth hammer 6 to one side removal of bracing piece 4, smooth hammer 6 is when one side of stock 9 rotation center, can ensure that stock 9 keeps the vertical state, make the upper end of fixture block 10 be in the outside of guide bar 3, gu fixed ring 11 fixes guide bar 3 in the inside of straight-bar 1 through fixture block 10, the user is thrown slide hammer 6 to the one side that is close to baffle 7 through the twine afterwards, inertia impact force when smooth hammer 6 slides fast passes through baffle 7 effect, transmit for straight-bar 1, make the sharp-pointed portion of straight-bar 1 one end very big to stifled mud in the wind gap, thereby realize quick and safe bucket opening the wind gap.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a device of quick open blast furnace wind gap, includes straight-bar (1) and slide bar (2), its characterized in that: the sliding rod (2) is arranged on one side of the straight rod (1), one side, close to the straight rod (1), of the sliding rod (2) is fixedly provided with a guide rod (3), one end, far away from the sliding rod (2), of the guide rod (3) is inserted into the straight rod (1), one end, far away from the straight rod (1), of the sliding rod (2) is fixedly provided with a support rod (4), one side, close to the sliding rod (2), of the support rod (4) is fixedly provided with two rib plates (5), one sides, opposite to the two rib plates (5), of the two rib plates are fixedly connected with the surface of the sliding rod (2), the surface of the sliding rod (2) is sleeved with a sliding hammer (6) and a baffle (7), the baffle (7) is fixedly connected with the sliding rod (2), the sliding hammer (6) is in sliding connection with the sliding rod (2), and connecting lugs (8) are arranged on two sides of the sliding hammer (6), the connecting mechanism matched with the straight rod (1) for use is arranged inside the sliding rod (2), and a lubricating piece is further arranged between the sliding hammer (6) and the sliding rod (2).

2. The device for rapidly opening a tuyere of a blast furnace as set forth in claim 1, wherein: the connecting mechanism comprises a long rod (9), a clamping block (10) and a fixing ring (11), the two ends of the long rod (9) are respectively arranged in the slide rod (2) and the guide rod (3), and the middle part of the long rod (9) is rotationally connected with the inner cavity of the sliding rod (2) through a rotating shaft, the clamping block (10) is arranged at one end of the long rod (9) far away from the sliding rod (2), the upper end of the clamping block (10) is arranged in the inner cavity of the straight rod (1), the fixing ring (11) is fixedly arranged in the inner cavity of the straight rod (1), the upper end of the clamping block (10) is opposite to the fixing ring (11), the inner side of the sliding hammer (6) is fixedly provided with a limiting rod (12), and a moving groove matched with the sliding rod (2) is formed in the sliding rod, and the bottom of the limiting rod (12) is in contact with the top of the long rod (9).

3. The device for rapidly opening a tuyere of a blast furnace as set forth in claim 1, wherein: the lubricating part comprises a plurality of steel balls (13), the steel balls (13) are mounted on the inner side of the sliding hammer (6), four arc-shaped sliding grooves (14) are formed in the surface of the sliding rod (2), and one sides, close to the sliding rod (2), of the steel balls (13) are evenly arranged inside the four sliding grooves (14).

4. The device for rapidly opening a tuyere of a blast furnace of claim 1, which comprises: the upper end of the straight rod (1) is fixedly provided with a hexagonal nut (15).

5. The device for rapidly opening a tuyere of a blast furnace as set forth in claim 2, wherein: the limiting rod (12) is a round rod, and one end, close to the long rod (9), of the limiting rod (12) is a hemisphere.

6. The device for rapidly opening a tuyere of a blast furnace as set forth in claim 2, wherein: the two sides of the upper end of the clamping block (10) are both arc-shaped surfaces, and the lowest end of each arc-shaped surface is located inside the guide rod (3).