Building-type absorption-type heat exchange station

Abstract

The invention discloses a building-type absorption-type heat exchange station. The building-type absorption-type heat exchange station is an integral heat exchange station consisting of an absorption-type heat exchanger, a water-supplying and pressure-stabilizing device, a two-stage circulation pump and a primary network water path and a secondary network water path in the station; primary network inlet water is divided into two branches after entering the station, wherein one path is connected with the hot side inlet of the absorption-type heat exchanger, and the other path is connected with the water inlet of the water-supplying and pressure-stabilizing device; the hot side outlet of the absorption-type heat exchanger is connected with the primary water outlet of the heat exchange station through a flowmeter; secondary network returning water is divided into two branches after entering the station and passing by a water treatment device, wherein one branch is connected with the cold side inlet of the absorption-type heat exchanger, and the other branch is connected with the water outlet of the water-supplying and pressure-stabilizing device; the cold side outlet of the absorption-type heat exchanger is connected with the inlet of the two-stage circulation pump; and the outlet of the two-stage circulation pump is connected with the secondary water outlet of the heat exchange station. According to the building-type absorption-type heat exchange station disclosed by the embodiment of the invention, the temperature of the primary network returning water is lowered; and the temperature difference between the primary network supplying water and the primary network returning water is increased, so that secondary network water power distribution is simpler.

Description

technical field [0001] The present invention relates to the technical field of energy saving, in particular to the field of absorption heat exchange or building heat supply, and more specifically, to a building type absorption heat exchange station. Background technique [0002] Due to the requirements of energy saving and emission reduction, many heating transformation schemes that recover industrial waste heat as heat source for urban heating have been developed rapidly and widely recognized. For district heating, since the return water temperature of the primary network of the plate heat exchange must be higher than the return water temperature of the secondary network, the return water temperature of the primary network of the entire system is relatively high, and it is difficult to recover low-temperature industrial waste heat. At the same time, the heating mode of one heat exchange station with multiple buildings is difficult to achieve independent adjustment of buildi...

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Problems solved by technology

[0004] At present, the horizontal absorption heat exchanger, which has been used in many domestic projects, can realize low-temperature primary network return water with centralized pumping station, water supply constant pressure and water treatment device, but its stand-alone capacity is the supply required by a single building. 10 to 30 times the heat, so it can only be installed in a heat station, and cannot realize heating in separate buildings

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