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Powder cooler

A cooler and powder technology, applied in the field of powder heat exchange, can solve the problems of large equipment occupied space, large space occupied by air chute, low heat exchange area of ​​rotary cooler, etc., to achieve efficient heat exchange and improve product quality. The effect of processing quality, reduced equipment footprint and investment costs

Inactive Publication Date: 2020-09-22
BEIJING NEW BUILDING MATERIALS PLC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the cooling device of gypsum powder mostly adopts rotary cooler or air chute. Among them, the effective heat exchange area of ​​the rotary cooler is low, only 1 / 3 to 1 / 2 of the total heat exchange area, and the energy consumption of the rotary is relatively high. ;The air chute takes up a lot of space. During the long-distance cooling and transportation process, multi-stage dust collection is required, and the equipment occupies a large space and requires a high investment.

Method used

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Embodiment Construction

[0035] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other arbitrarily if there is no conflict.

[0036] In the following description, many specific details are set forth in order to fully understand this article. However, this article can also be implemented in other ways different from those described here. Therefore, the scope of protection of this article is not limited by the specific embodiments disclosed below. .

[0037] Such as figure 1 As shown, a powder cooler includes a shell 12, a feeding device 1, a heat exchange tube 2, a bottom blowing device 4, and a discharging device 8.

[0038] Among them, the feeding device 1 and the discharging device 8 are arranged on the upper part ...

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Abstract

The invention discloses a powder cooler. The powder cooler comprises a shell, a feeding device, a heat-exchanging pipe, a bottom blowing device and a discharging device; the feeding device and the discharging device are arranged on the upper part of the shell; the heat-exchanging pipe is horizontally arranged in the shell, located below the feeding device and the discharging device and used for cooling powder outside the heat-exchanging pipe; and the bottom blowing device is arranged at the bottom of the shell, located below the heat-exchanging pipe and used for blowing air upwards to fluidizethe powder outside the heat-exchanging pipe. Through arrangement, the high-temperature powder entering an inner cavity of the shell from the feeding device can be evenly dispersed, the powder is cooled through efficient heat exchanging, the product machining quality is improved, and the floor space and the investment cost of the powder cooler are further reduced.

Description

Technical field [0001] The invention is used in the technical field of powder heat exchange, and specifically relates to a powder cooler, in particular to a powder cooler for high-temperature gypsum powder. Background technique [0002] In recent years, with the development of society and the continuous improvement of people’s living standards, decorative building materials made of gypsum have also been used more and more with the improvement of people’s aesthetics. In the process of gypsum production, the calcination effect directly affects the subsequent gypsum The overall quality of building materials. [0003] In the calcining process of gypsum, if the newly calcined gypsum powder is kept at a high temperature for a long time, it will easily cause overburning and affect the phase composition, so rapid cooling is required. At present, the cooling device of gypsum powder mostly adopts rotary cooler or air chute. Among them, the effective heat exchange area of ​​rotary cooler is ...

Claims

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Application Information

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IPC IPC(8): F27D15/02
CPCF27D15/0286
Inventor 张羽飞侯志刚杨正波
Owner BEIJING NEW BUILDING MATERIALS PLC
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