Feeding device of powder materials and tail gas cooling system with same

A feeding device and tail gas cooling technology, which is applied in the tail gas cooling powder material system and powder material feeding device field, can solve the problem of easy blockage of the discharge end, achieve good sealing, avoid re-oxidation, and reduce heat energy consumption Effect

Active Publication Date: 2012-07-11
湖南长拓高科冶金有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a powder material feeding device and an exhaust gas cooling system with the device, so as to solve the technical problem that the discharge end is easy to be blocked

Method used

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  • Feeding device of powder materials and tail gas cooling system with same
  • Feeding device of powder materials and tail gas cooling system with same
  • Feeding device of powder materials and tail gas cooling system with same

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Embodiment Construction

[0027] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0028] The feeding device embodiment of powder material

[0029] see figure 1 , The feeding device for powder material provided by the present invention includes: feed pipe 211 , first pipeline 111 , first fan 101 , first baffle 212 , horizontal pipe 310 , second fan 100 and second baffle 312 . Both the first fan 101 and the second fan 100 include an air outlet and an air inlet. The air inlets of the first blower 101 and the second blower 100 pass into the tail gas with lower temperature and lower oxygen content than the calcined material. If the oxygen content of the tail gas is higher than 0.6%, it will enter the corresponding fans after deoxygenation. The feeding device is welded by pipes, preferably seamless welding, so that the welding can a...

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Abstract

The invention provides a feeding device of powder materials and a tail gas cooling system with the same, which comprise a feeding port of roasted powder materials, a feeding pipe connected with the feeding port, a first pipeline, a first fan, a first baffle, a second baffle, a horizontal pipe, a pulse airflow cooling pipe and a second cyclone separation cylinder. The first fan comprises an air outlet which is communicated with the inlet end of the first pipeline. The first fan comprises an air outlet which is communicated with the inlet end of the horizontal pipe. The feeding pipe is connected with the middle of the first pipeline and communicated with the middle of the first pipeline in a Y-type mode. An outlet of the first pipeline is connected with the middle of the horizontal pipe and communicated with the middle of the horizontal pipe in a Y-type mode. The second cyclone separation cylinder comprises an air inlet feeding port disposed on the side wall of the second cyclone separation cylinder, and the outlet end of the pulse airflow cooling pipe is connected with the air inlet feeding port of the second cyclone separation cylinder. The tail gas cooling system is further capable of utilizing heat of high-temperature materials to heat cooled tail gas and continuing to recycle the tail gas, thereby fully utilizing heat of products and reducing energy consumption of a whole process.

Description

technical field [0001] The present invention relates to the field of energy recycling, in particular, to a powder material feeding device, and another aspect of the present invention also relates to an exhaust gas cooling powder material system including the above powder material feeding device. Background technique [0002] When conveying the cooled powder material, in order to avoid the blockage of the powder material at the discharge end, a mechanical feeding device is usually installed at the connection between the vertical feeding pipe and the horizontal conveying pipe, such as a star feeder, a screw feeder, etc. However, in the case of high requirements on the airtightness of the whole system (such as under reducing atmosphere), these mechanical transmission feeding devices have poor airtightness, and it is difficult to meet the airtightness requirements of some processes. And at 800°C, the strength of these mechanical feeding devices is reduced, and the reliability be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D88/70
Inventor 彭虎夏广斌高泽斌刘小银
Owner 湖南长拓高科冶金有限公司
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