A heat exchange device for air purification and dust removal

A technology of gas exchange and heat exchange equipment, which is applied in waste heat treatment, lighting and heating equipment, furnaces, etc., and can solve the problems of large fluctuations in material flow field and temperature field, blockage of kiln tail smoke chamber and pipe crust, and burning of fuel coke particles. Incomplete and other problems, to achieve the effects of reducing temperature fluctuations in the furnace, increasing output per unit furnace capacity, and reducing the probability of crust blockage

Active Publication Date: 2016-11-23
YANCHENG INST OF TECH +1
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Problems solved by technology

[0004] However, due to the high temperature of the decomposition equipment, there are generally large fluctuations in the material flow field and temperature field, the kiln tail smoke chamber and pipes are prone to crusting and blockage, the residence time of the material is short, the combustion of fuel coke particles is not complete, and the temperature in the equipment Phenomena such as upside down and upside down affect the balanced and stable operation of the system

Method used

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  • A heat exchange device for air purification and dust removal

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Embodiment Construction

[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0026] The circulation device for realizing sufficient solid-gas heat exchange of the dusty airflow of the present invention includes decomposition reaction equipment (1), first heat exchange equipment (2), second heat exchange equipment (3), and third heat exchange equipment (4) , reaction pool (5).

[0027] The decomposition reaction equipment (1) includes a feed inlet (1A), a fuel inlet (1B), an exhaust outlet (1C), and a discharge outlet (1D). The cement raw meal that has been suspended and preheated enters through the feed inlet (1A) Decomposition reaction equipment (1), the fuel is sprayed into the decomposition reaction equipment (1) through the fuel inlet (1B), the decomposition reaction equipment (1) mixes the cement raw meal that has been suspended and preheated with the fuel, and rapidly absorbs the fuel in the suspension state to b...

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Abstract

The invention provides a circulation device for full gas-solid heat exchange of a dust-containing gas flow. The device comprises decomposition reaction equipment (1), first heat exchange equipment (2), second heat exchange equipment (3), third heat exchange equipment (4) and a reaction tank (5), wherein the gas flow flows between multiple pieces of heat exchange equipment. According to the circulation device, the retention time of a material in a pre-decomposition system is improved, so that the decomposition rate and the system reaction rate of the material are improved, the system fluid resistance is reduced, meanwhile the separated gas is purified, heavy metal is recovered and environmental pollution is facilitated.

Description

technical field [0001] The invention belongs to the field of solid-gas heat exchange reaction, and relates to a device for realizing cyclic separation and cyclic heat exchange of dust-laden airflow in the process of cement production, in particular to a circulatory device for realizing sufficient solid-gas heat exchange of dust-laden airflow. It belongs to the field of air purification and dust removal. Background technique [0002] With the continuous development of the production process of the cement industry, the new dry process cement production technology has become the mainstream technology of cement clinker calcination. The remarkable feature of this technology is that the heat exchange and mass transfer between the material and the gas are carried out in a suspended state . In the new dry process cement production technology, the suspension preheater with ideal performance has the functions of highly dispersing the gas-solid two-phase, sufficient heat exchange and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D17/00C04B7/43
Inventor 邢青松惠学芹咸斌高翠芳李亮
Owner YANCHENG INST OF TECH
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