A building-type absorption heat exchange station that can realize district heating

Abstract

The invention discloses a building-type absorption heat exchange station capable of realizing district heating, which belongs to the field of energy saving; wherein, the inlet of the primary network and the inlet of the hot water pipeline of the generator of the absorption heat exchanger respectively supplying heat to the three districts connected to the generator of the first stage; the outlet of the hot water pipeline of the evaporator of the absorption heat exchanger is divided into two branches, one of which is connected to the partitioned water supply and constant pressure device through the water supply inlet, and the other is connected to the flow meter in turn and the booster pump of the primary network are connected to the outlet of the primary network of the equipment; the water supply inlet of the partitioned water supply and constant pressure device is connected to a water supply outlet through one or three open water tanks and three-stage water supply pipelines, and the water supply pipelines of each level are arranged sequentially There are make-up pumps, flow meters, pressure switches and pressure tanks. The invention realizes the independent heat supply for multiple partitions with only one device, reduces the number of devices, and reduces the occupied area; enables a single building-type absorption heat exchange station to supply heat to a single building with multiple partitions, Realize heat metering by building.

Description

technical field [0001] The invention belongs to the technical field of energy saving, and specifically relates to a building-type absorption heat exchange station capable of realizing district heating. Background technique [0002] Lithium bromide absorption heat exchanger is a brand-new heat exchange equipment, which is currently widely used in central heating systems in northern regions to complete the heat exchange process from the high-temperature hot water in the primary network of the terminal thermal station to the hot water in the secondary network. Compared with the traditional system using various conventional heat exchangers, the use of absorption heat exchangers can greatly reduce the return water temperature of the primary network, improve the temperature difference between the supply and return water of the pipe network and the heating capacity, and achieve clean heating. The building-type absorption heat exchange station is a brand-new distributed heat station...

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Problems solved by technology

[0003] However, most of the existing heating demonstrations are carried out for buildings with a floor height of no more than 7 floors, and it is difficult to implement in higher-rise buildings. The main problem is that it is difficult to effectively solve the problem of district heating in high-rise buildings or high, medium and low zones.

At present, if a building-type absorption heat exchange station is used, such as the technology disclosed in patent CN 201610676397.5, for a building with three partitions, three units need to be installed to provide heat for the three partitions, which makes the building-type heating occupy a small area The advantages no longer exist; there is also a way to use a single unit with the low area of ​​two buildings, and another unit with the high area of ​​two buildings, but this will extend the pipeline and increase the heating cost, and it is also difficult to separate buildings Heat metering fails to achieve the original intention of building heating

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