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Spiral chute lifting process

A technology of spiral chute and process, applied in the field of spiral chute hoisting technology, to achieve the effect of reducing construction risk factor, shortening construction period, and reducing hidden costs

Inactive Publication Date: 2016-06-08
SHANGHAI HANSAIL MARINE & OFFSHORE DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above problems, the purpose of the present invention is to provide a spiral chute lifting process to solve many problems in the prior art that are manually transported to the equipment support

Method used

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Embodiment Construction

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0026] The spiral chute hoisting process is characterized in that it comprises the following steps:

[0027] 1. Complete the welding work of the lower platform (maintenance platform) of the spiral chute on the support of the mineral processing equipment; complete the positioning and welding of the circular base of the spiral chute on the support of the mineral processing equipment, and check with the drawings for correctness.

[0028] 2. The spiral chute to be hoisted is transported to the berth by a forklift. In order to avoid possible damage during the transportation of the forklift, a steel pipe of a suitable size is put on the fork of the forklift and fixed by welding. When transporting, insert the steel pipe into the central tube of the ...

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Abstract

The invention discloses a spiral chute lifting process which comprises the following steps: a lower platform of the spiral chute is previously welded on a device support which is installed, and positioning and welding of a circular base of the spiral chute are finished on the lower platform; one end of a connecting piece is fixedly connected with the upper end of a central circular tube of the spiral chute, and the other end of the connecting piece is hung on a hook of a gantry crane and controls the gantry crane to slowly lift the hook; the gantry crane carries the spiral chute to a place right above the installation position through the connecting piece and lowers the spiral chute; the central circular tube of the spiral chute is enabled to be inserted into the circular base; and the connecting piece and the upper end of the circular tube of the spiral chute are loosened. The spiral chute lifting process has the beneficial effects as follows: the labor productivity is improved, and the construction period is shortened; if the same number of workers are required to finish the same job, the days and labor hours required by the process are only 8% of those of the original process; and the labor intensity of the workers, the danger coefficient of the construction and the hidden cost are reduced.

Description

technical field [0001] The invention relates to the application of a spiral chute hoisting process in the construction of a beneficiation system, and is suitable for the construction of an integrated marine mining and beneficiation ship, an offshore beneficiation platform or a beneficiation ship. Background technique [0002] Spiral chute: a gravity beneficiation equipment with a spiral downward flow channel, suitable for separating iron ore, ilmenite, chromite, pyrite, zircon and rutile with a particle size of 0.02-0.3mm , monazite, phosphorous ore, tungsten ore, tin ore, tantalum ore, niobium ore and other non-ferrous metals, rare metals and non-metallic minerals with different specific gravity. The spiral chute has the advantages of stable sorting process, easy control, wide range of allowable change in ore concentration, high enrichment ratio, high recovery rate, small footprint, low water consumption, simple structure, no power, large processing capacity, easy installat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65G67/60
CPCB65G67/60
Inventor 郭黎明孙青松邵敏
Owner SHANGHAI HANSAIL MARINE & OFFSHORE DESIGN
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