Industrial waste heat secondary utilization system and method
A technology of industrial waste heat and working medium, which is applied in the secondary utilization system of industrial waste heat and the field of secondary utilization of industrial waste heat, can solve problems such as temperature instability, energy waste, and meaningless discharge of heat, and achieve the effect of improving utilization rate
Inactive Publication Date: 2020-11-06
石家庄耐波万信息技术有限公司
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Problems solved by technology
In the existing technology, the technology of using heat pump technology to absorb heat from low-grade industrial waste heat resources for heating of residents has been gradually developed, but the existing technology has the following problems: the temperature of industrial waste heat is unstable, and the temperature of industrial waste heat is higher than that of heating When needed, the excess heat of industrial waste heat will still be discharged meaninglessly; resulting in energy waste
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[0034] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0035] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0036] This embodiment relates to a secondary utilization system of industrial waste heat, refer to figure 1 As shown, the industrial waste heat secondary utilization system includes a working fluid pump 1 and a first evaporator 2 connected in series, and the carrier of industrial waste heat can transfer heat to the working fluid in the first evaporator 2; the industrial waste heat two The secondary utilization system also includes an expander 3 connected to the working medium output end of the first evaporator 2, and a first flow regulating valve 31 is arranged between the expander 3 and the first evaporator 2; the expander 3 is used to The internal energy of the high-temperature and h...
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The invention provides an industrial waste heat secondary utilization system and method. The industrial waste heat secondary utilization system comprises a working medium pump and a first evaporator which are connected in series. A carrier of industrial waste heat can transmit heat to a working medium in the first evaporator. The industrial waste heat secondary utilization system further comprisesa condenser connected to the working medium output end of the first evaporator in series, a second flow adjusting valve and an expanding machine, wherein the second flow adjusting valve and the expanding machine are connected between the first evaporator and the condenser in series and are arranged in parallel. The expanding machine is connected with a generator. By means of the industrial wasteheat secondary utilization system, the utilization rate of industrial waste heat can be effectively increased, and energy saving and emission reduction are facilitated.
Description
technical field [0001] The invention relates to the technical field of energy recovery, in particular to a system for secondary utilization of industrial waste heat, and also relates to a method for secondary utilization of industrial waste heat. Background technique [0002] Energy is an important basis for economic development and social progress, and energy conservation and emission reduction are the key issues for better modernization and economic development in my country. In the process of industrial production, a large amount of waste heat resources will be discharged. Among them, the waste heat resources are the heat energy contained in the exhaust gas, liquid discharge and high-temperature materials to be cooled with a certain temperature. Waste heat belongs to secondary energy, which is rich in resources in my country and widely exists in power plant boilers and industrial equipment. The existing secondary utilization of industrial waste heat mainly involves high-g...
Claims
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IPC IPC(8): F24D11/02F24D19/00F24T10/20F01K11/02F01K9/00F01K25/10F01K27/00F01K27/02F01D15/10
CPCF01D15/10F01K9/00F01K11/02F01K25/103F01K27/00F01K27/02F24D11/0235F24D19/00F24D2200/12F24T10/20Y02B10/40Y02E10/10
Inventor 张永昌谷莉方
Owner 石家庄耐波万信息技术有限公司