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Metal particle spiral conveyor used in high-temperature environment

A technology of screw conveying device and metal particles, which is applied in packaging and other directions, can solve the problems of short life of screw blades, poor sealing performance, and variability of screw shafts, etc., to achieve overall life extension, easy wear and tear, and reduced maintenance frequency Effect

Active Publication Date: 2014-05-21
BEIJING SHOUGANG INT ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problems of short life of screw blades, variability of screw shaft, poor sealing performance and other problems existing in traditional devices

Method used

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  • Metal particle spiral conveyor used in high-temperature environment
  • Metal particle spiral conveyor used in high-temperature environment
  • Metal particle spiral conveyor used in high-temperature environment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] figure 1 — Figure 4 It is a specific embodiment of the present invention.

[0020] The invention includes: fixed support 1, fixed sealing head 2, shaft 3, spiral blade 4, movable sealing head 5, driving device 6, movable sealing head adjusting device 7, cooling water interface 8, water cooling cover 9, sealing rope 10, Sealing nitrogen interface 11, sealing nitrogen spout 12, adjusting bracket 13, positioning bolt 14 and adjusting cylinder 15. Wherein, the fixed support 1 is installed on the adjustment bracket 13, one end of the adjustment bracket 13 is connected to the outside through a pin shaft, and the other end is connected to the adjustment cylinder 15, and the adjustment cylinder 15 is used to drive the adjustment bracket 13 to lift; the positioning bolt 14 is installed On the adjustment bracket 13, it is used to adjust the height of the adjustment bracket 13 to avoid excessive wear of the helical blade 4; the helical blade 4 is welded on the shaft 3 by weldin...

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Abstract

The invention discloses a metal particle spiral conveyor used in a high-temperature environment and belongs to the technical field of material conveying. The conveyor comprises a fixed support, a fixed sealing head, a shaft, a spiral blade, a movable sealing head, a driving device, a movable sealing head adjusting device, a cooling water connector, a water-cooled cover, a sealing rope, a sealing nitrogen connector, a sealing nitrogen nozzle, an adjusting support, a positioning bolt and an adjusting air cylinder. The conveyor has the advantages that a variable-frequency and variable-speed motor is adopted as a power supply, the spiral blade is cooled in a direct and indirect combined mode and is designed to be of a multi-end structure, and the adjusting air cylinder is arranged; in this way, the overall service life of the conveyor is significantly prolonged, the frequency of examining and maintaining the spiral blade is greatly reduced, maintenance cost is greatly reduced, meanwhile, the annual operating rate of a rotary hearth furnace production line is improved, and the manufacturing cost of finished products is further reduced.

Description

technical field [0001] The invention belongs to the technical field of material conveying, and in particular relates to a metal particle material screw conveying device used in a high-temperature environment. Background technique [0002] At present, domestic and international rotary hearth furnaces used for dust control or direct reduction of iron all use spiral discharge equipment to transport the high-temperature materials distributed on the hearth of the rotary hearth furnace to the outside of the furnace. During the operation, the discharge is often dirty, Severe spiral wear and leakage of furnace gas seriously affect the stability of production and operation. The spiral blades of the currently used spiral discharge equipment are mostly connected to the shaft by bolts, resulting in insufficient cooling of the spiral blades, and long-term friction with metal particles in a high-temperature environment, resulting in a relatively short service life; most of the spiral disc...

Claims

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Application Information

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IPC IPC(8): B65G33/14B65G33/24B65G33/26
Inventor 张福明王惠家蹇军强苗为人陈迪安汪小龙江波解长举王睿昊江京臣戚开民刘磊沈鑫
Owner BEIJING SHOUGANG INT ENG TECH
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