Post-heating type waste heat coupling method

A technology of waste heat and waste heat recovery, applied in heating methods, heat pumps, household heating, etc., can solve problems such as discarding, achieve the effects of reducing usage, improving economic benefits, saving and fully using

Pending Publication Date: 2020-06-30
DALIAN NATIONALITIES UNIVERSITY
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  • Claims
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Problems solved by technology

However, the low-temperature industrial waste heat represented by the float glass factory is currently bei...

Method used

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  • Post-heating type waste heat coupling method
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Examples

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Embodiment 1

[0018] A heating system integrating multiple waste heat couplings, including a float glass waste heat recovery device, a solar waste heat recovery device and a lithium bromide heat pump heating device.

[0019] The float glass waste heat recovery device includes a float glass workshop (1), a hot pool (22), a cold pool (21), a second circulation pump (17), a third circulation pump (18) and two-stage control valves, The cooling tower (6), the heat pump, the first water outlet of the float glass workshop (1) is led into the heat pool (22) by the first water pipe, the inlet of the cooling tower (6) is connected to the upper water pipe, and the outlet of the cooling tower (6) The pipeline leads to the cold pool (21), the upper water pipe is equipped with a two-stage control valve and a circulating pump, the upper water pipe leads to the hot pool (22), and the circulating pump is arranged between the hot pool (22) of the upper water pipe and the two-stage control valve At the positi...

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Abstract

The invention discloses a post-heating type waste heat coupling method, and belongs to the field of heat supply waste heat recovery and heat distribution. The method aims to achieve the effects that mixed heat exchange of a low-temperature heat source and a high-temperature heat source is achieved, the heating requirement can be met in heating, the use of the high-temperature heat source is reduced, self-circulation of intermediate water is achieved, and heat is reasonably distributed. According to the method, circulating water is directly discharged into a cold pool (21) through a cooling tower, intermediate water at 33-35 DEG C output by the hot ends of condensers of a first heat pump, a second heat pump and a third heat pump is collected through a water collector, and a fourth circulating pump for pumping the intermediate water in the water collector is mounted on a pipeline at the front end of the water collector. According to a lithium bromide heat pump heating method, a power plant condenser leading-in pipe communicates with a high-temperature heat exchange section of a lithium bromide heat pump and conveys high-temperature heat exchange water (100 DEG C) to the high-temperature heat exchange section, an outlet of the high-temperature heat exchange section communicates with an inlet of a low-temperature heat exchange section, and the effect that a large number of low-temperature heat sources can be provided to achieve coupling heat supply with high-temperature steam provided by a power plant is achieved.

Description

technical field [0001] The invention belongs to the field of heating waste heat recovery and heat distribution, and relates to a waste heat coupling method for post-heating increase. Background technique [0002] In recent years, with the increase of urban heating area in my country and the increase of production line construction in industrial plants, the heat consumption in my country has increased rapidly. From the analysis of heating methods, there are currently the following ways for residents to heat in my country: thermoelectricity Combined production mode, central heating of small and medium-sized regional boiler rooms, small domestic gas water heaters, household coal-fired furnaces, etc., among which the combined heat and power mode is a combination of using the high-grade thermal energy of the fuel to generate electricity and then using its low-grade thermal energy for heating Use energy technology. At present, the average power generation efficiency of a 3 million-...

Claims

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Application Information

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IPC IPC(8): F25B15/06F25B30/04F24D15/04F28D7/00F01K17/02
CPCF25B15/06F25B30/04F24D15/04F28D7/00F01K17/025Y02B30/625
Inventor 汪语哲龙飞飞张皓天杨正凯李佳乐
Owner DALIAN NATIONALITIES UNIVERSITY
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