Low-temperature flue gas waste heat recovery device
A technology of waste heat recovery device and low-temperature flue gas, which is applied in the direction of clean heat transfer device, waste heat treatment, indirect heat exchanger, etc. It can solve the problems of large heat transfer end difference, low system efficiency, high cost, etc., and achieve operational flexibility Big, improve system efficiency, cheap effect
Inactive Publication Date: 2014-07-23
国能朗新明环保科技有限公司
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Problems solved by technology
However, the traditional waste heat recovery device has a relatively large difference in heat transfer, the system efficiency is relatively low, and the cost is expensive
Method used
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[0030] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.
[0031] figure 1 A schematic structural diagram of a low-temperature waste heat recovery device according to an embodiment of the present invention is shown. refer to figure 1 An embodiment of a low-temperature waste heat recovery device shown includes a casing (104), and a plurality of heat pipes (101) arranged at intervals are arranged in the casing (104), and the heat transfer performance of the heat pipes (101) is utilized, It can ensure safe operation at low temperature to improve efficiency and energy efficiency; the multiple heat pipes (101) arranged at intervals can be divided into high, medium and low temperature heat pipes according to the operating temperature of the flue gas; The separator (102) divides it into two parts, the flue gas side (105) and the soda side (106). The flue gas side is pro...
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Abstract
The invention discloses a low-temperature flue gas waste heat recovery device which comprises a flue gas side and a steam and water side. The device is internally provided with a plurality of heat pipes which are arranged at intervals, heat absorbing sections of the heat pipes are arranged at the flue gas side, and condensing sections are arranged at the steam and water side. A flue gas inlet, a flue gas outlet, a cooling water inlet, a steam outlet or a hot water outlet, at least one vacuum pumping opening, at least one cleaning inlet, at least one cleaning outlet, at least one water drain opening and at least one steam sweeping opening are formed in the device. By means of the low-temperature flue gas waste heat recovery device and a waste heat system of the low-temperature flue gas waste heat recovery device, the characteristics of the heat pipes can be effectively utilized, the heat transmission efficiency can be improved, and therefore the energy utilization rate of a low-temperature flue gas waste heat recovery system is improved.
Description
technical field [0001] The invention relates to the technical field of low-temperature flue gas waste heat recovery, energy saving and environmental protection, in particular to a low-temperature flue gas waste heat recovery device. Background technique [0002] At present, my country's energy utilization efficiency is low, economic benefits are poor, and the situation of backward technology and management of energy utilization systems has not been fundamentally changed. Compared with developed countries, the unit energy consumption of many products is far behind that of developed countries, such as steel, power generation, building materials, and chemicals. The energy consumption per unit of major industrial products in industries such as industrial furnaces is 20% to 80% higher. In particular, the thermal efficiency of various industrial kilns is lower than 70%, and the exhaust gas temperature is between 150 and 500°C. The value accounts for more than 20% of the total energy...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F27D17/00F22B1/18F28D15/02F28G9/00
CPCY02P10/25Y02P80/15
Inventor 陈峰张宝林盛飞李京红杨志徐奎江张志成官祎男杨利民王恺赵晋红代志伟耿拓辛晓磊赵殿生
Owner 国能朗新明环保科技有限公司