Low-temperature latent heat release small-temperature-difference waste heat recovery device and control method thereof
A technology of waste heat recovery and low-temperature latent heat, applied in the direction of heat exchanger types, indirect heat exchangers, heat storage equipment, etc., can solve the problems of low heat transfer efficiency, inconvenient installation, and easy damage to glass heat pipes, and achieve heat energy recovery. The effect of high efficiency, convenient installation and structural safety
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Embodiment 1
[0031] This embodiment relates to a control method for a waste heat recovery device with low temperature latent heat release and small temperature difference, including the following steps:
[0032] Step 1: Introduce fresh air, that is, fresh air, into the heat exchange tubes;
[0033] Step 2, by adjusting the temperature and humidity of the hot and humid exhaust gas, the temperature difference between the hot and humid exhaust gas and the fresh air is 9°C, and the humidity of the hot and humid exhaust gas is 95%RH;
[0034] Step 3, the fresh air and the hot and humid exhaust air are fully exchanged through the heat exchange tubes, so that the hot and humid exhaust air condenses outside the heat exchange tubes, and then the fresh air after heat exchange is output.
Embodiment 2
[0036] This embodiment relates to a control method for a waste heat recovery device with low temperature latent heat release and small temperature difference, including the following steps:
[0037] Step 1: Introduce fresh air, that is, fresh air, into the heat exchange tubes;
[0038] Step 2, by adjusting the temperature and humidity of the hot and humid exhaust gas, the temperature difference between the hot and humid exhaust gas and the fresh air is 1°C, and the humidity of the hot and humid exhaust gas is 92% RH;
[0039] Step 3, the fresh air and the hot and humid exhaust air are fully exchanged through the heat exchange tubes, so that the hot and humid exhaust air condenses outside the heat exchange tubes, and then the fresh air after heat exchange is output.
Embodiment 3
[0041] This embodiment relates to a control method for a waste heat recovery device with low temperature latent heat release and small temperature difference, including the following steps:
[0042] Step 1: Introduce fresh air, that is, fresh air, into the heat exchange tubes;
[0043] Step 2, by adjusting the temperature and humidity of the hot and humid exhaust gas, the temperature difference between the hot and humid exhaust gas and fresh air is 2°C, and the humidity of the hot and humid exhaust gas is 90% RH;
[0044] Step 3, the fresh air and the hot and humid exhaust air are fully exchanged through the heat exchange tubes, so that the hot and humid exhaust air condenses outside the heat exchange tubes, and then the fresh air after heat exchange is output.
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