Waste heat recovery device for drying room and temperature control method thereof

A technology of waste heat recovery device and heat exchange device, which is applied in the direction of drying, drying machine, drying gas arrangement, etc., can solve the problems of large energy consumption, easy bonding and condensation, waste of heat energy, etc., and meet the exhaust temperature Requirements, improved heat recovery efficiency, simple cleaning and maintenance effects

Active Publication Date: 2015-08-19
JIANGSU HAIDA DYEING & PRINTING MACHINERY
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  • Abstract
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  • Claims
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Problems solved by technology

Although this technology can achieve the effect of dehumidification, in the process of dehumidification, because the dehumidification exhaust gas contains a lot of heat, it cannot be recycled, and a large amount of heat energy is lost in the air outside the equipment, resulting in a large waste of energy. The heat energy has not been effectively used, resulting in a large energy consumption in the drying room during the baking operation
[0003] The large amount of waste heat and moisture discharged from the drying room during the baking operation not only wastes heat energy, but also when the exhaust gas t

Method used

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  • Waste heat recovery device for drying room and temperature control method thereof

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[0018] The present invention will be further described below in conjunction with the drawings. Such as figure 1 As shown, a drying room waste heat recovery device includes a box body 1 and a heat exchange device, the heat exchange device is combined with the box body 1 through a heat exchange coupling member 2, and cold air is pumped into the heat exchange device, The heat exchange principle is used to absorb the heat of the exhaust gas flowing through the box 1.

[0019] Further, the heat exchange device is located on the upper part of the heat exchange joint 2, and includes a blower 3, a preheating chamber 6 and an air outlet joint joint 5, which is used to circulate the air that absorbs the residual heat; the box body 1 is located on the heat exchange joint 2. At the bottom of the box, an exhaust fan 4 is provided on one side of the box for the circulation of waste heat gas; the blower 3 and exhaust fan 4 are controlled by frequency conversion; inside the box 1, there are 4 e...

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Abstract

The invention discloses a waste heat recovery device for a drying room and a temperature control method thereof. The waste heat recovery device comprises a box body and a heat exchanging system, wherein the heat exchanging system is combined with the box body through a heat exchanging combination part; cold air is pumped into the heat exchanging system, and waste gas heat flowing into the box body is absorbed by adopting a heat exchanging principle. The waste heat recovery device is simple in structure and can realize recovery utilization of the waste heat and energy conservation and environment protection; after the waste gas passes through the waste heat recovery device, the temperature of the pipe wall is reduced, heat radiation of the waste gas exhaust system temperature to air is reduced, and comprehensive energy conservation can reach about 20%; according to the device and the method, discharged waste heat gas and cold air temperature before and after heating can be in real time detected and controlled, the waste gas heat in the drying room can be as much as possible recycled, requirements of the exhaust gas temperature can be met, and the heat recycling efficiency can be effectively increased.

Description

technical field [0001] The invention relates to a heat energy recovery device, in particular to a drying room waste heat recovery device and a temperature control method thereof. Background technique [0002] At present, in the entire field of baking in the baking room, almost all baking equipment uses the low humidity and low temperature air outside the baking equipment to directly exchange the high humidity and high temperature moisture inside the equipment to bake the materials in the equipment. , Dehumidification. Although this technology can achieve the effect of dehumidification, in the process of dehumidification, because the dehumidification exhaust gas contains a lot of heat, it cannot be recycled, and a large amount of heat energy is lost in the air outside the equipment, resulting in a large waste of energy. The heat energy has not been effectively used, resulting in a large energy consumption in the drying room during the baking operation. [0003] The large am...

Claims

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Application Information

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IPC IPC(8): F26B25/00F26B21/00
CPCY02P70/10
Inventor 孙远烈邹学峰周国华周旭东陈丽洁
Owner JIANGSU HAIDA DYEING & PRINTING MACHINERY
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