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Hot water or process heating system - has tubular heat exchanger with thermally insulated inlet nozzles
Hot water or process heating system - has tubular heat exchanger with thermally insulated inlet nozzles
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机译:热水或过程加热系统-具有带隔热入口喷嘴的管状热交换器
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摘要
The heat transfer system is used especially for hot water central and process heating systems. The heat exchanger tubes carry heating steam. The part (14) of the inlet tube nozzle (13) which projects into the vessel is thermally insulated. This nozzle is closed by the upper tube plate (9) of the tube nest (7). The thermal insulation consists of a tubular envelope (12) enclosing the inlet tube nozzle section (14). It forms a double wall tube with enclosed space (15) which in turn is also closed by the tube plate (9). The vessel cover (5) has an air gap (16) joining the insulation gap (15).
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