CN213951237U

CN213951237U - Emergent cover system and external member that moves of main iron runner A lid

Info

Publication number: CN213951237U
Application number: CN202022582071.0U
Authority: CN
Inventors: 董航; 杨勇; 范志刚; 贺鑫杰; 李岸汀
Original assignee: CISDI Engineering Co Ltd
Current assignee: CISDI Engineering Co Ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-13
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to an emergent cover system and external member that moves of main iron runner A lid belongs to ironmaking blast furnace operation technical field. The emergency cover moving system comprises a first fixed pulley and a second fixed pulley; the first fixed pulley is fixedly arranged on the side, away from the main channel, of the cover A, and the second fixed pulley is arranged on the side, away from the blast furnace, of the cover A; the emergency cover moving sleeve comprises the emergency cover moving system, a traction rope and a plurality of rolling bars. The utility model discloses utilized current cast house driving, can emergent removal to the A lid, avoided having reduced the handling accident expense and shortened the machines preparation time because of the emergence that can't block up the iron notch and lead to the production accident.

Description

Emergent cover system and external member that moves of main iron runner A lid

Technical Field

The utility model belongs to the technical field of the blast furnace operation of making iron, a emergent cover system and external member that moves of main iron runner A lid is related to.

Background

In the design process of a modern blast furnace, in order to reduce smoke generated by tapping of the blast furnace and heat radiation of molten iron in a main channel of the blast furnace, a channel cover is generally arranged above the main channel. The trench cover is generally divided into A, B, C, D four sections, with the B, C, D cover being hoisted into place by the cast house crane. Referring to fig. 1, since the cover a is located below the tuyere platform, the travelling crane in the cast house cannot hoist the tuyere platform. A hydraulic lid mover is typically provided to displace the a lid. The cover A is placed on one side of the main channel when no tapping is performed, after the tapping machine finishes tapping, the cover moving machine lifts the cover A and moves the cover A to the upper side of the main channel to be placed down, before tapping is completed, the cover moving machine lifts the cover A and moves the cover A to one side of the main channel to be placed down, and then the mud gun machine blocks the tap hole.

In the actual production process, because the weight of the A cover is about 20 tons, if the cover moving machine fails, or the cover moving machine cannot hook a lifting lug on the trench cover due to the fact that the A cover moves on the main trench, the A cover is difficult to move away by other methods on site, the mud gun machine is blocked by the A cover, and an iron hole cannot be blocked, so that major production safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an emergent cover system and method that moves of main iron runner A lid can remove the A lid, prevents that the A lid from blockking the working line of mud gun machine and then the incident that produces when moving the quick-witted trouble of covering.

In order to achieve the above purpose, the utility model provides a following technical scheme: an emergency cover moving system for a main iron runner cover A comprises a first fixed pulley and a second fixed pulley; the first fixed pulley is fixedly arranged on the side, away from the main channel, of the cover A, and the second fixed pulley is arranged on the side, away from the blast furnace, of the cover A; the distance from the second fixed pulley to the blast furnace is greater than the distance from the first fixed pulley to the blast furnace, and the distance from the second fixed pulley to the main groove is less than the distance from the first fixed pulley to the main groove.

Optionally, the first fixed pulley and the second fixed pulley are arranged along a central line direction of the main groove.

Optionally, the first fixed pulley is arranged on the tuyere platform, and the second fixed pulley is arranged on the ground within the hoisting range of the travelling crane.

The utility model provides an emergent cover suit that moves of main iron runner A lid, includes the emergent cover system that moves of foretell main iron runner A lid, still includes haulage rope and a plurality of rolling bars, the one end of haulage rope is connected and is covered at A, the other end of haulage rope is connected on the driving.

Optionally, the hauling cable is connected to the lifting lug of the A-cover.

Optionally, the hauling rope is a steel rope.

Optionally, one end of the traction rope close to the travelling crane is connected to a hook of the travelling crane.

Optionally, a plurality of the rollers are sequentially placed towards the hoisting range of the travelling crane.

Optionally, a plurality of the rolling bars are arranged along the central line direction of the main trench.

Optionally, the hauling cable is connected to a lifting lug on the side, away from the blast furnace, of the A cover.

The beneficial effects of the utility model reside in that: the method can be widely used for operation during production of the blast furnace, and the A cover of the main channel can not be moved away due to external reasons, so that the A cover can be moved in an emergency, production accidents caused by the fact that an iron notch cannot be blocked are avoided, and economic loss of the blast furnace due to accidents is reduced. Meanwhile, the method utilizes the existing cast house travelling crane, does not use other external large-scale hoisting equipment, reduces the cost for handling accidents and shortens the preparation time of machines and tools.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic layout of an emergency cover-moving system for the cover A of a main iron runner;

FIG. 2 is a diagram illustrating step S1 in the example;

FIG. 3 is a diagram illustrating step S2 in the example;

FIG. 4 is a diagram illustrating step S3 in the example;

FIG. 5 is a diagram illustrating step S4 in the example;

FIG. 6 is a diagram illustrating step S5 in this embodiment.

Reference numerals: the device comprises an A cover 1, a first fixed pulley 2, a travelling crane hook 3, a second fixed pulley 4, a traction rope 5, a rolling rod 6, a main ditch 7, a tuyere platform 8 and a blast furnace 9.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 2 to 6, a process of using an emergency cover moving kit for a main iron runner a cover. The emergency cover moving sleeve of the main iron runner A cover comprises an emergency cover moving system of the main iron runner A cover, a traction rope 5 and a plurality of rolling bars. The emergent system of moving of main iron runner A lid includes first fixed pulley 2 and second fixed pulley 4, and first fixed pulley 2 and second fixed pulley 4 set up along the central line direction of main runner 7, and first fixed pulley 2 is fixed to be set up on A lid 1 keeps away from main runner 7 one side, and second fixed pulley 4 sets up on A lid 1 keeps away from blast furnace 9 one side. The distance from the second fixed pulley 4 to the blast furnace 9 is larger than the distance from the first fixed pulley 2 to the blast furnace 9, and the distance from the second fixed pulley 4 to the main groove 7 is smaller than the distance from the first fixed pulley 2 to the main groove 7. In this embodiment, the first fixed pulley 2 is disposed on the tuyere platform 8, and the second fixed pulley 4 is disposed on the ground within the hoisting range of the traveling crane. The haulage rope 5 is wire rope, and the one end of haulage rope 5 is connected on the lug of A lid 1, and the other end of haulage rope 5 is connected on the couple of driving.

When in actual use, the method comprises the following steps:

s1, connecting one end of the hauling cable 5 close to the A cover 1 to a lifting lug at one end of the A cover 1 far away from the blast furnace 9, and sequentially winding the hauling cable 5 around the first fixed pulley 2 and the second fixed pulley 4;

and S2, lifting the crane hook 3, driving the traction rope 5 by the crane hook 3, lifting one end of the A cover 1 far away from the blast furnace 9 through the second fixed pulley 4 and the first fixed pulley 2, and sequentially placing a plurality of rolling bars 6 between the A cover 1 and the main ditch 7 along the central line direction of the main ditch 7.

S3: descending a crane hook 3, placing one end of the A cover 1 far away from the blast furnace 9 on a rolling rod 6, connecting one end of a traction rope 5 close to the A cover 1 to a lifting lug at one end of the A cover 1 far away from the blast furnace 9, and winding the traction rope 5 around a second fixed pulley 4;

s4: lifting a crane lifting hook 3, wherein the crane lifting hook 3 drives an A cover 1 to move towards the lifting range of the crane along the central line direction of a main ditch 7 through a traction rope 5, a second fixed pulley 4 and a rolling rod;

s5: the crane hook 3 lifts the A cover 1 away to provide space for the mud gun plugging.

The utility model discloses can extensively be used for the operation during blast furnace production, emergent removal is carried out to the A lid when the A lid in the main ditch can't put aside because of the external reason, has avoided leading to the emergence of production accident because of unable stifled iron notch, has reduced the economic loss that the blast furnace caused because of the accident. Meanwhile, the method utilizes the existing cast house travelling crane, does not use other external large-scale hoisting equipment, reduces the cost for handling accidents and shortens the preparation time of machines and tools.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an emergent system of covering that moves of main iron runner A lid which characterized in that:

comprises a first fixed pulley and a second fixed pulley;

the first fixed pulley is fixedly arranged on the side, away from the main channel, of the cover A, and the second fixed pulley is arranged on the side, away from the blast furnace, of the cover A;

the distance from the second fixed pulley to the blast furnace is greater than the distance from the first fixed pulley to the blast furnace, and the distance from the second fixed pulley to the main groove is less than the distance from the first fixed pulley to the main groove.

2. The emergency cover moving system for the A cover of the main iron runner of claim 1, wherein: the first fixed pulley and the second fixed pulley are arranged along the central line direction of the main groove.

3. The emergency cover moving system for the A cover of the main iron runner of claim 1, wherein: the first fixed pulley is arranged on the air port platform, and the second fixed pulley is arranged on the ground within the hoisting range of the travelling crane.

4. The utility model provides an emergent cover kit that moves of main iron runner A lid which characterized in that: the emergency cover moving system of the main iron runner cover A of any one of claims 1 to 3, further comprising a pulling rope and a plurality of rolling bars, wherein one end of the pulling rope is connected to the cover A, and the other end of the pulling rope is connected to a travelling crane.

5. The emergency cover-moving kit for the main iron runner A cover of claim 4, wherein: the hauling cable is connected to the lifting lug of the A cover.

6. The emergency cover-moving kit for the main iron runner A cover of claim 4, wherein: the hauling cable is a steel wire rope.

7. The emergency cover-moving kit for the main iron runner A cover of claim 4, wherein: and one end of the traction rope, which is close to the travelling crane, is connected to a lifting hook of the travelling crane.

8. The emergency cover-moving kit for the main iron runner A cover of claim 4, wherein: and a plurality of rolling bars are sequentially placed towards the hoisting range of the travelling crane.

9. The emergency cover-moving kit for the main iron runner a cover of claim 8, wherein: and the rolling rods are arranged along the central line direction of the main ditch.

10. The emergency cover-moving kit for the main iron runner A cover of claim 5, wherein: the haulage rope is connected on the lug of A lid one side of keeping away from the blast furnace.