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Steam grinding dust remover preheating device

A technology of preheating device and dust collector, which is applied in steam/steam condenser, lighting and heating equipment, grain processing, etc. It can solve the problems of material agglomeration and affecting the normal operation of the system, and achieve sufficient heat exchange, low cost and high energy efficiency. The effect of low consumption

Pending Publication Date: 2018-08-31
四川极速动力超微粉体设备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on the above technical problems, the present invention provides a steam mill dust collector preheating device, thereby solving the problem that when the existing steam mill system is started up, a large amount of normal temperature air in the dust collector will mix with water vapor to form condensed water. Agglomeration of produced materials, technical problems that affect the normal operation of the system

Method used

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  • Steam grinding dust remover preheating device
  • Steam grinding dust remover preheating device
  • Steam grinding dust remover preheating device

Examples

Experimental program
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Effect test

Embodiment 1

[0041] A preheating device for a steam mill dust collector, comprising a dust collector body 1, an induced draft fan 2, and a composite heat exchanger 3 connected end-to-end through pipelines, and the composite heat exchanger 3 is provided with a steam source connected to the dust collector body 1 steam inlet 12.

Embodiment 2

[0043] This embodiment is further optimized based on Embodiment 1. A first connecting pipe 7 is provided between the dust collector body 1 and the induced draft fan 2, and a third connecting pipe 15 is provided between the induced draft fan 2 and the composite heat exchanger 3. A second connecting pipe 14 is arranged between the compound heat exchanger 3 and the dust collector body 1, and an air outlet pipe 16 communicating with the third connecting pipe 15 is arranged below the third connecting pipe 15. On the air outlet pipe 16, There is a first valve 17, and the second connecting pipe 14 is provided with a second valve 18, which can flexibly switch the system between the negative pressure induced air mode and the internal circulation air supply mode, which is convenient to use and can make full use of preheating The duct is used for ventilation, and no additional ventilation duct is required.

Embodiment 3

[0045] This embodiment is further optimized based on Embodiment 1 or 2. The dust collector body 1 is provided with a dust collector air inlet 4, a hot air inlet 5 and a dust collector air outlet 6. The first connecting pipe 7 is arranged at the dust collector outlet. Between the tuyere 6 and the outlet of the induced draft fan 2;

[0046]The composite heat exchanger 3 includes a circulating air chamber 8 and a heat exchange tube 9 arranged inside the circulating air chamber 8, the composite heat exchanger 3 is respectively provided with a cold air inlet 1 and a hot air outlet 11, and the cold air inlet 1 and the hot air outlet 11 are both It communicates with the circulating air chamber 8; the composite heat exchanger 3 is provided with a condensed water outlet 13, and the steam inlet 12 and the condensed water outlet 13 are both communicated with the heat exchange tube 9;

[0047] The second connecting pipe 14 is arranged between the hot air outlet 11 and the hot air inlet 5,...

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Abstract

The invention relates to the technical field of preheating devices, and discloses a steam grinding dust remover preheating device. The device comprises a dust remover body, an induced draft fan and acomposite heat exchanger which are sequentially connected end to end through a pipeline. The composite heat exchanger is provided with a steam inlet connected with a dust remover body steam source. Air in the dust remover body can be subjected to heat exchange to form high temperature gas through the heat exchanger, accordingly, the dust remover body is preheated, and the problem that condensed water is produced when the system starts to operate, and normal system operation is affected is avoided. High temperature steam of the system is skillfully used for heat exchange, other devices except the induced draft fan have no power consumption almost, the cost is extremely low, and economic benefits are good. Air in the dust remover body can be circulated out, air in the dust remover body is made to flow in the circulation process, heat exchanger is more sufficient, heat exchange in the dust remover body is uniform, and the heat exchange efficiency is high.

Description

technical field [0001] The invention relates to the technical field of preheating devices, in particular to a preheating device for a steam mill dust collector. Background technique [0002] At present, the steam mill system is a jet mill system that uses high-temperature and high-pressure steam as the material crushing medium and integrates crushing, sorting and collection. Since water vapor is a high-temperature gas, condensed water will be generated when it encounters cold air. When the steam mill system is running, a large amount of normal-temperature air in the dust collector will mix with water vapor to form condensed water, which will cause the produced materials to agglomerate and affect the system. normal operation. Therefore, in order to avoid condensed water in the production process and ensure the long-term stable operation of the system, it is necessary to design a preheating device for the steam mill dust collector. Contents of the invention [0003] Based ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C19/06F28B1/00F28B9/08
CPCF28B1/00F28B9/08B02C19/06
Inventor 袁祖江
Owner 四川极速动力超微粉体设备制造有限公司
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