Manufacture and installation methods for shaft furnace feeding skew bridge

An installation method and technology of inclined bridges, which are applied in transportation and packaging, elevators in buildings, etc., can solve problems such as hidden dangers, difficulties in the installation quality of inclined bridges, and normal production of blast furnaces

Inactive Publication Date: 2013-06-19
CHINA 22MCC GROUP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the existing construction method, the installation quality of the inclined bridge is difficult to guarantee, which brings a lot of inconvenience to the subsequent construction work and lays a hidden danger for the normal production of the blast furnace

Method used

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  • Manufacture and installation methods for shaft furnace feeding skew bridge
  • Manufacture and installation methods for shaft furnace feeding skew bridge
  • Manufacture and installation methods for shaft furnace feeding skew bridge

Examples

Experimental program
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Embodiment Construction

[0035] The present invention is described in detail below with reference to accompanying drawing and embodiment:

[0036] attached Figures 1 to 3 It can be seen that a manufacturing and installation method of a blast furnace loading inclined bridge includes: manufacturing the inclined bridge; transporting the inclined bridge; on-site assembly; calculation and selection of lifting equipment and spreaders and hoisting of the inclined bridge, the calculation and selection of the lifting equipment and spreaders The selection of the hoisting wire rope of the inclined bridge is determined by calculating the breaking force of the wire rope; the calculation formula is as follows:

[0037] Sling tension S = component weight ÷ the number of slings ÷ the sine of the angle between the sling and the horizontal plane;

[0038] The safety factor is K=8;

[0039] S≤the breaking force of the wire rope P÷safety factor K;

[0040] Check the manual to determine the size of the wire rope.

[...

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Abstract

The invention relates to manufacture and installation methods for a shaft furnace feeding skew bridge. The manufacture and installation methods for the shaft furnace feeding skew bridge comprise skew bridge manufacturing, skew bridge transportation, field assembly, hoisting equipment and sling calculating and selecting, and skew bridge suspension setting. The selection of skew bridge hoisting steel wire rope of hoisting equipment and sling calculating and selecting is confirmed by calculating the breaking force of the steel wire rope. The computational formula is as follows: sling tensile force S=component weight / sling number / sine of included angle between sling and horizontal plane, safety coefficient K=8, S<= breaking force of steel wire rope P / safety coefficient K, and confirming the specifications of the steel wire rope by looking up in a manual. According to the manufacture and installation methods for the shaft furnace feeding skew bridge, a construction organization can solve the manufacture and installation difficulties of a skew bridge and safely and fast complete hoisting operation, and a solid foundation is laid for the subsequent manufacture and installation of a shaft furnace structure and smooth production.

Description

technical field [0001] The invention relates to a construction method of an ironmaking furnace for metallurgical construction, in particular to a method for manufacturing and installing a charging inclined bridge for a blast furnace. Background technique [0002] The installation and hoisting accuracy of inclined bridges is high, and at the same time, it is generally affected by unfavorable factors such as installation site, hoisting machinery, component volume, and heavy weight. Therefore, it has always been a difficult point in the construction process of blast furnace installation. [0003] The length and width of the inclined bridge are relatively large. To ensure the overall production, there must be a large enough production site. Therefore, it is arranged to carry out factory processing and production in a specific area. In order to reduce the impact on the production of other components and facilitate transportation, the production site should meet the following req...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B9/06
Inventor 陈强尹志兴
Owner CHINA 22MCC GROUP CORP
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