Two-section type conduction oil recovery heat exchanger for trough type photo-thermal power plant
A technology of heat transfer oil and power plants, which is applied in the field of trough-type photothermal power generation heat exchange equipment and heat exchange equipment, which can solve the problems of large floor area, high investment cost, and large number of equipment, so as to reduce the layout space and investment cost Effect
Inactive Publication Date: 2021-01-15
SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD
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Problems solved by technology
[0003] At present, the heat exchangers of the heat transfer oil recovery system used for trough solar thermal power generation all separate the two functions of condensation and supercooling. Although they can meet the requirements of the system, the number of equipment is large, the floor area is large, and the investment cost high
Method used
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Embodiment 1
[0014] The Reclamation HEX heat exchanger in the photothermal heat transfer oil recovery system, the shell side is set as a two-stage type, in which the condensation section cools the heat transfer oil from 286°C to 264°C, and the heat exchange area is about 70m 2 ;The subcooling section supercools the heat transfer oil from 264°C to 220°C, and the heat exchange area is about 40m 2 , the heat transfer area of the whole heat exchanger is 110m 2 .
Embodiment 2
[0016] The Reclamation HEX vent heat exchanger in the photothermal heat transfer oil recovery system, the shell side is set as a two-stage type, in which the condensation section cools the heat transfer oil from 286°C to 264°C, and the heat exchange area is about 1.127m 2 ;The subcooling section supercools the heat transfer oil from 264°C to 220°C, and the heat transfer area is about 0.532m 2 , the heat transfer area of the whole heat exchanger is 1.659m 2 .
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The invention provides a two-section type conduction oil recovery heat exchanger for a trough type photo-thermal power plant. The two-section type conduction oil recovery heat exchanger comprises a shell, wherein a shell side inlet and a shell side outlet are formed in the shell, a heat exchange pipe structure is arranged in the shell and respectively communicates with a pipe side inlet and a pipeside outlet, and a heat exchange medium enters the heat exchange pipe structure through the pipe side inlet and leaves through the pipe side outlet. The heat exchanger is characterized in that the heat exchange pipe structure is divided into a condensation section and a supercooling section, conduction oil mist entering the shell from the shell side inlet firstly passes through the condensation section to be condensed into saturated liquid conduction oil, then the saturated liquid conduction oil passes through the supercooling section to be continuously cooled into supercooled liquid conduction oil, and the supercooled liquid conduction oil flows out of the shell through the shell side outlet. According to the heat exchanger provided by the invention, two functions of condensation and supercooling are realized through one heat exchanger. Compared with an existing conduction oil recovery heat exchanger, one supercooling heat exchanger is omitted, and the arrangement space and the investment cost of the equipment are correspondingly reduced.
Description
technical field [0001] The invention relates to heat exchange equipment for a heat transfer oil recovery system, which has condensation and supercooling functions and is divided into a condensation section and a supercooling section, and is mainly used in the field of trough-type photothermal power generation heat exchange equipment. Background technique [0002] The function of the trough-type photothermal power generation heat transfer oil recovery heat exchanger is to recondense the heat transfer oil mist evaporated from the heat transfer oil expansion tank into liquid heat transfer oil, so as to avoid the waste of heat transfer oil. The heat transfer oil recovery heat exchanger with a two-stage structure needs to meet the cooling and condensation of the heat transfer oil mist on the shell side and further subcooling, and the tube bundle on the shell side is designed as a condensation section and a subcooling section. [0003] At present, the heat exchangers of the heat t...
Claims
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IPC IPC(8): F28B1/02
CPCF28B1/02
Inventor 张磊磊王强朱登亮郝立波葛冬冬
Owner SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD
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