CN112239796A - Emergency cover moving system, set and method for main iron runner A cover - Google Patents
Emergency cover moving system, set and method for main iron runner A cover Download PDFInfo
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- CN112239796A CN112239796A CN202011247523.8A CN202011247523A CN112239796A CN 112239796 A CN112239796 A CN 112239796A CN 202011247523 A CN202011247523 A CN 202011247523A CN 112239796 A CN112239796 A CN 112239796A
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- cover
- fixed pulley
- emergency
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- iron runner
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/14—Discharging devices, e.g. for slag
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Abstract
The invention relates to an emergency cover moving system, an emergency cover moving kit and an emergency cover moving method for a main iron runner cover A, and belongs to the technical field of iron-making blast furnace operation. 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 rods; the emergency cover moving method provides the emergency cover moving set, and comprises the following steps: the haulage rope is walked around first fixed pulley and second fixed pulley in proper order, and the driving is mentioned the one end that the blast furnace was kept away from to the A lid, places the roller between A lid and main ditch, and the haulage rope is walked around the second fixed pulley, and driving A lid of driving removes to the hoist and mount scope of driving. The invention utilizes the existing travelling crane in the casting house to carry out emergency movement on the cover A, thereby avoiding the occurrence of production accidents caused by the incapability of blocking the iron notch, reducing the cost of accident handling and shortening the preparation time of machines and tools.
Description
Technical Field
The invention belongs to the technical field of iron-making blast furnace operation, and relates to an emergency cover moving system, a kit and a method for a main iron runner cover A.
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.
Disclosure of Invention
In view of the above, the present invention provides an emergency cover moving system and method for a main iron runner cover a, which can move the cover a and prevent the cover a from blocking a working path of a mud gun machine and further causing a safety accident when a cover moving machine fails.
In order to achieve the purpose, the invention provides the 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 kit 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 hob, the one end of haulage rope is connected at A and is covered, 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.
An emergency cover moving method for a main iron runner A cover is provided, and the emergency cover moving kit for the main iron runner A cover comprises the following steps:
(1) connecting one end of the traction rope close to the cover A to one end of the cover A far away from the blast furnace, and sequentially winding the traction rope around the first fixed pulley and the second fixed pulley; lifting a travelling crane, lifting one end of the A cover far away from the blast furnace by the travelling crane through a second fixed pulley and a first fixed pulley, placing a rolling rod between the A cover and the main ditch, descending the travelling crane, and placing one end of the A cover far away from the blast furnace on the rolling rod;
(2) connecting one end of the traction rope close to the A cover to one end of the A cover far away from the blast furnace, winding the traction rope around the second fixed pulley, lifting the travelling crane, and driving the A cover to move towards the hoisting range of the travelling crane through the traction rope and the rolling rod;
optionally, the plurality of rolling bars are placed along the central line direction of the main trench, and the travelling crane drives the cover A to move towards the hoisting range of the travelling crane along the central line direction of the main trench.
The invention has the beneficial effects 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 combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects 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 embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope 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 in a schematic way, 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 the drawings in which there is no intention to limit the invention thereto; to better illustrate 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 components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 2 to 6, an implementation process of an emergency cover moving method for a main iron runner a cover is provided, which provides an emergency cover moving kit for the 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 rods. 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.
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 hook 3, wherein the crane hook 3 drives the A cover 1 to move towards the lifting range of the crane along the central line direction of the 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 invention can be widely used for operation during the production period of the blast furnace, and the A cover of the main channel can not be moved away due to external reasons, so that the production accident caused by the failure of blocking the iron notch can be avoided, and the economic loss of the blast furnace caused by the accident can be 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.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on 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 claims of the present invention.
Claims (10)
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 A cover of claims 1-3, further comprising a pulling rope and a plurality of rolling rods, wherein one end of the pulling rope is connected to the A cover, 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. An emergency cover-removing method for a main iron runner a cover, which provides an emergency cover-removing kit for a main iron runner a cover according to any one of claims 4 to 8, characterized by comprising the following steps:
connecting one end of the traction rope close to the cover A to one end of the cover A far away from the blast furnace, and sequentially winding the traction rope around the first fixed pulley and the second fixed pulley;
lifting a travelling crane, lifting one end of the A cover far away from the blast furnace by the travelling crane through a second fixed pulley and a first fixed pulley, placing a rolling rod between the A cover and the main ditch, descending the travelling crane, and placing one end of the A cover far away from the blast furnace on the rolling rod;
the end of the haulage rope close to the A cover is connected to the end, far away from the blast furnace, of the A cover, the haulage rope is wound around the second fixed pulley, the traveling crane is lifted, and the traveling crane drives the A cover to move towards the hoisting range of the traveling crane through the haulage rope and the rolling rod.
10. The emergency cover moving method for the A cover of the main iron runner of claim 9, wherein: the rolling bars are placed along the central line direction of the main ditch, and the travelling crane drives the A cover to move towards the hoisting range of the travelling crane along the central line direction of the main ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247523.8A CN112239796A (en) | 2020-11-10 | 2020-11-10 | Emergency cover moving system, set and method for main iron runner A cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247523.8A CN112239796A (en) | 2020-11-10 | 2020-11-10 | Emergency cover moving system, set and method for main iron runner A cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112239796A true CN112239796A (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011247523.8A Pending CN112239796A (en) | 2020-11-10 | 2020-11-10 | Emergency cover moving system, set and method for main iron runner A cover |
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| CN (1) | CN112239796A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852453A (en) * | 2021-03-01 | 2021-05-28 | 大连华锐重工焦炉车辆设备有限公司 | Coal charging emergency device of tamping coke oven equipment and implementation method thereof |
-
2020
- 2020-11-10 CN CN202011247523.8A patent/CN112239796A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852453A (en) * | 2021-03-01 | 2021-05-28 | 大连华锐重工焦炉车辆设备有限公司 | Coal charging emergency device of tamping coke oven equipment and implementation method thereof |
| CN112852453B (en) * | 2021-03-01 | 2023-11-10 | 大连华锐重工焦炉车辆设备有限公司 | Coal charging emergency device of tamping coke oven equipment and implementation method thereof |
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