Automatic back-washing heat recovery device
A heat recovery device and backwashing technology, applied in the direction of cleaning heat transfer device, flushing, ventilation and heating energy recovery systems, etc., can solve the problems of high energy consumption of the system, thermal pollution of the external environment, and poor ventilation.
Inactive Publication Date: 2011-09-28
WEIFANG XINGQI TECH
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Problems solved by technology
[0002] In the ventilation devices such as the external air system of the horizontal stretching machine of the biaxially stretched film production line, the temperature of the hot air is very high. High operating costs and easy to cause thermal pollution to the external environment
In addition, due to the high dust content in the air, the ordinary heat exchange device installed in the exhaust duct is easily blocked, resulting in poor ventilation
Method used
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[0020] Such as Figure 1-Figure 4 As shown, the automatic backwashing heat recovery device of the present invention includes an air inlet pipe P1, an air exhaust pipe P2, and a heat exchange device H connected between the air inlet pipe P1 and the air exhaust pipe P2. Such as figure 1 As indicated by the middle arrow, hot air with a higher temperature is discharged from right to left through the exhaust pipe P2, and cold air with a lower temperature enters from left to right through the air inlet pipe P1, and heat exchange occurs when the hot air and cold air pass through the heat exchange device H , the heat returns to the air inlet pipe P1 to be recovered.
[0021] Such as Figure 5-Figure 7 As shown, the heat exchange device H includes a box body 1, and a rotatable runner 15 installed in the box body 1, and a plurality of honeycomb-shaped through holes are evenly distributed on the runner 15. It is composed of triangular small air passages arranged in the axial direction...
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The invention relates to a heat recovery device, in particular to an automatic back-washing heat recovery device. The automatic back-washing heat recovery device comprises an air inlet pipe, air outlet pipe and a heat exchange device connected between the air inlet pipe and the air outlet pipe. The automatic back-washing heat recovery device is characterized in that the heat exchange device comprises a case and a rotatable rotating wheel arranged in the case, a plurality of through holes of a honeycomb and refracted wave type flow channel is evenly distributed on the rotating wheel, the case comprises a front end cover and a back end cover in parallel arranged at two sides of the rotating wheel and a lateral hoarding sheet connected between the front end cover and the back end cover, an air inlet pipe mounting hole and an air outlet pipe mounting hole are respectively arranged on the front end cover and the back end cover, the air inlet pipe mounting hole is located at one side of thecentral axis of the rotating wheel, the air outlet pipe mounting hole is located at the other side of the central axis of the rotating wheel, the air inlet pipe is arranged on the air inlet pipe mounting hole, and the air outlet pipe is arranged on the air outlet pipe mounting hole. The automatic back-washing heat recovery device has simple structure and automatic back-washing function to keep the pipeline unblocked; and the automatic back-washing heat recovery device can reduce production energy consumption and reduce environmental pollution.
Description
technical field [0001] The invention relates to a heat recovery device, in particular to an automatic backwash heat recovery device. Background technique [0002] In the ventilation devices such as the external air system of the horizontal stretching machine of the biaxially stretched film production line, the temperature of the hot air is very high. The operation cost is high, and it is easy to cause thermal pollution of the external environment. In addition, due to the high dust content in the air, the ordinary heat exchange device installed in the exhaust duct is easily blocked, resulting in poor ventilation. Contents of the invention [0003] The purpose of the present invention is to provide an automatic backwashing heat recovery device with simple structure and automatic backwashing function to keep the pipeline unblocked, so as to reduce production energy consumption and reduce environmental pollution. [0004] The technical scheme that the present invention adopt...
Claims
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Inventor 程凡宝
Owner WEIFANG XINGQI TECH