Central heating system for segmented cooling of multipath backwater of circulating cooling water

Abstract

The invention relates to a central heating system for segmented cooling of multipath backwater of circulating cooling water. The system comprises a heat exchange device, a reheater, a waste heat energy allocating center and water quality and temperature monitoring control equipment. The system is characterized in that the circulating cooling water in a circulating water pipeline successively exchanges heat through the heat exchange device and the reheater to obtain directly used heat, heat is then released in the waste heat energy allocating center, and finally, a closed cycle is formed by means of the water quality and temperature monitoring control equipment. According to the system provided by the invention, waste heat of a process medium originally discharged to an environment througha cooling tower becomes a direct heat source output by the waste heat energy allocating center to surrounding heat consumers, so that a lot of energy sources used for heating are saved, and meanwhile,the resource consumption for treating the circulating cooling water is reduced greatly.

Description

technical field [0001] The invention designs a centralized heating system that uses energy-consuming enterprises to discharge condensation and cool heat energy through cooling circulating water. Specifically, it is a centralized heating system with multi-channel water return and section cooling of cooling circulating water. Background technique [0002] At present, the heat energy contained in the cooling process medium required by energy-consuming enterprises is mostly transferred from the water-cooled heat exchanger to the cooling circulating water, and discarded from the cooling tower to the environment. The discharge process consumes a lot of water, electricity, and chemical resources. This process makes the original The thermal energy that can be directly used becomes a huge burden for enterprises. Existing heat pump technology requires a large amount of investment, and driving energy is required for operation; although the "centralized heating system using cascaded co...

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Problems solved by technology

[0002] At present, the heat energy contained in the cooling process medium required by energy-consuming enterprises is mostly transferred from the water-cooled heat exchanger to the cooling circulating water, and discarded from the cooling tower to the environment. The discharge process consumes a lot of water, electricity, and chemical resources. This process makes the original Thermal energy that can be directly used becomes a huge burden for enterprises

Existing heat pump technology requires a large amount of investment, and driving energy is required for operation; although the "centralized heating system using cascaded condensation and cooling heat" can obtain heat energy that can be directly used, it requires the construction of a large number of pipelines and heat exchange equipment, while the medium water The impact on the process medium, the fluctuation of the heat user load is difficult to ensure the temperature parameters of the process medium and other reasons, so it is difficult to implement

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