Hot air drying system
A technology of hot air drying and drying chamber, applied in the direction of heating to dry solid materials, drying solid materials, drying chambers/containers, etc., can solve the problems of waste of resources, low energy efficiency ratio, environmental pollution, etc., and achieve the effect of reducing loss
Active Publication Date: 2011-11-02
湖南省浏阳市择明热工器材有限公司
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Problems solved by technology
[0003] But its heat source of existing drying device all adopts coal-fired (oil) boiler or electric heating mode, and its main drawback is that energy efficiency ratio is too low, wastes resources, and the waste residue that coal (oil) combustion produces, waste gas pollutes environment; And, because The energy in the heat source or hot air is not fully utilized, and the existing equipment has problems such as high energy consumption or low thermal efficiency to varying degrees, resulting in high operating investment for the user unit
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[0028] see figure 1 A hot air drying system according to the present invention includes an air source heat pump, a condenser fan 2, and a drying chamber 5 with a dehumidification channel on the top. The air source heat pump is mainly composed of an evaporator 4, a compressor 3, a condenser 1, a flow device 6, and connected in sequence with working fluid circulation pipes; the condenser 1 and fan 2 are placed outside the drying chamber 5, and an air circulation pipe is arranged between the condenser fan 2 and the drying chamber 5 to connect the condensing The air outlet 7 of the condenser fan 2 and the air inlet 12 of the drying chamber 5, and connect the air outlet 11 of the drying chamber 5 and the air inlet 8 of the condenser fan 2.
[0029] combine figure 2 , the air heated by the condenser 1 forms hot air under the action of the condenser fan 2 . The hot air enters the hot air distribution layer 14 of the drying chamber 5 from the air inlet 12 near the bottom of the dry...
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The invention discloses a hot air drying system which comprises an air source heat pump, a condenser blower and a drying room, wherein the air source heat pump mainly comprises an evaporator, a compressor, a condenser and a throttling device which are sequentially connected by a working medium circling pipeline; and air exchange is carried out between the condenser blower and the drying room in amode of circling air. By adopting the technical scheme, the air source heat pump is used as a novel energy-saving energy of a heat source of a drying device, thereby reducing or even having no pollution discharge, and hot air circling realizes the effect of getting more heat by adding more hot air and greatly reduces the loss of heat energy. In both aspects of input and output, the working performance of the hot air drying system is comprehensively and evenly improved, thus the system can be normally and steadily operated, and the energy efficiency ratio is greatly improved. The temperature of the hot air provided by the hot air drying system is higher, thus the range of application of the air source heat pump is greatly expanded, and the hot air drying system has positive meanings to energy saving and emission reduction.
Description
technical field [0001] The invention relates to a hot air drying system, in particular to a hot air drying system using an air source heat pump. Background technique [0002] There are many types of drying devices. From the perspective of energy saving, the heating device is required to have a higher energy efficiency ratio COP value (for heating, the ratio of heating capacity to input power is defined as the cycle performance coefficient COP of the heat pump. In the same work Under normal circumstances, the larger the ratio, the higher the efficiency of the system and the more energy-saving), but the material drying device has a long service time, a large demand for hot air, and a high temperature requirement, resulting in a large input power. A higher energy efficiency ratio is urgent actual needs. [0003] But its heat source of existing drying device all adopts coal-fired (oil) boiler or electric heating mode, and its main drawback is that energy efficiency ratio is too...
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IPC IPC(8): F26B3/02F26B23/10F26B25/08F26B25/10F26B21/04F26B23/04
Inventor 汤世国
Owner 湖南省浏阳市择明热工器材有限公司