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Return air circulation heat drying apparatus

A technology of heating and drying and drying equipment, which is applied in the directions of drying gas arrangement, dry cargo handling, and drying solid materials, etc. It can solve the problems of energy loss, return air waste heat utilization, etc., and achieve the effect of saving power consumption and reducing drying time

Pending Publication Date: 2018-10-19
GUANGZHOU SHINCCI ENERGY EQUIP CO LTD
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AI Technical Summary

Problems solved by technology

However, the belt dryers currently on the market do not utilize the waste heat of the return air, resulting in energy loss

Method used

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  • Return air circulation heat drying apparatus

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings, in which the arrows show the wind flow direction.

[0014] Such as figure 1 As shown, the return air circulation heating and drying device includes a box body, and the box body is provided with a drying room and a heat pump room, and a dehumidification heat pump module is installed in the heat pump room, and the dehumidification heat pump module includes at least one refrigerant sub-module and a The air sub-module, the refrigerant sub-module includes a main condenser, an evaporator and a compressor, the outlet of the compressor is connected to the inlet of the main condenser, and the outlet of the main condenser is connected to the evaporator through an expansion valve The inlet of the evaporator is connected to the inlet of the compressor; the air sub-module includes an air inlet pipe and a regenerator, and the air inlet pipe is connected to the hot side of the regenera...

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Abstract

The invention discloses a return air circulation heat drying apparatus. The return air circulation heat drying apparatus comprises a housing, wherein a drying chamber and a heat pump chamber are arranged in the housing; the upper part of the drying chamber is connected to an advection channel; the other end of the advection channel is respectively connected to inlets of a recovery channel and a circulation channel; an outlet of the circulation channel is communicated with the drying chamber; the recovery channel is communicated with an inlet of an air module in the heat pump chamber; and an outlet of the air module is communicated with the drying chamber. According to the design, heat is recovered from the return air and heated to dry the material, thereby reducing material drying time andsaving electricity consumption by 20%.

Description

technical field [0001] The invention relates to the field of drying and dehumidification equipment, in particular to a return air circulation heating and drying device. Background technique [0002] Belt dryer is a continuous drying equipment widely used in chemical industry, food, medicine, building materials and other industries. It is especially suitable for materials with high water content and strict drying temperature requirements, such as dehydrated vegetables and Chinese herbal medicines. With the continuous improvement of the technical level, the belt dryer has gradually become diversified. However, the belt dryers currently on the market do not utilize the waste heat of the return air, resulting in energy loss. Contents of the invention [0003] In order to overcome the shortcomings mentioned in the prior art, the present invention provides a return air circulation heating and drying device. [0004] The technical solution adopted by the present invention to s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B21/04F26B21/00F26B25/00
CPCF26B21/002F26B21/003F26B21/004F26B21/04F26B25/001Y02P70/10
Inventor 唐树佳
Owner GUANGZHOU SHINCCI ENERGY EQUIP CO LTD
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