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Float glass waste heat recovery method for lithium bromide heat pump heating

A technology of float glass and waste heat recovery, applied in hot water central heating systems, heating methods, central heating components, etc., can solve problems such as discarding, reduce heating costs, realize water and heat conservation and full use, meet The effect of heating demand

Inactive Publication Date: 2020-06-30
DALIAN NATIONALITIES UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the low-temperature industrial waste heat represented by the float glass factory is currently being discarded for nothing, or it is discharged using additional hydropower resources. It is a pity to discard it.

Method used

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  • Float glass waste heat recovery method for lithium bromide heat pump heating

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 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.

[0013] The float glass waste heat recovery device includes a float glass workshop (1), a heat pool (22), a cold pool (21), a second circulation pump (17), a two-stage control valve, a cooling tower (6), a heat pump , the first water outlet of the float glass workshop (1) is passed into the hot pool (22) by the first water pipe, the inlet of the cooling tower (6) is connected with the upper water pipe, and the outlet pipeline of the cooling tower (6) is passed into the cold pool ( 21), the upper water pipe is equipped with a two-stage control valve and a circulation pump, the upper water pipe leads to the heat pool (22), and the circulation pump is arranged at the position between the heat pool (22) and the two-stage control valve on the upper water pipe, the two-stage The valv...

Embodiment 2

[0047] A power plant waste heat, solar energy, and float glass waste heat coupling heating system. The whole system is composed of a float glass waste heat recovery device, a solar waste heat recovery device, and a lithium bromide heat pump heating device.

[0048] The main working principle of the float glass waste heat recovery device is: when the waste heat recovery is carried out in winter, the 37-39 ℃ circulating water containing a large amount of low-temperature waste heat generated by the float glass workshop 1 is discharged into the heat pool 22, and the third circulating pump 18. Pressurize the second circulation pump 17, open the eighth control valve 12, the ninth control valve 13, the tenth control valve 14, the eleventh control valve 15, and close the third control valve 7 and the fourth control valve 8 , the fifth control valve 9, the sixth control valve 10; these circulating water are introduced into the first heat pump 23, the second heat pump 24, and the third h...

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Abstract

The invention discloses a float glass waste heat recovery method for lithium bromide heat pump heating, and belongs to the field of heat supply waste heat recovery and heat distribution. The float glass waste heat recovery method for the lithium bromide heat pump heating aims at solving the problems that in winter, industrial waste heat in circulating water of a cooling tower in a float glass plant area is cooled through a heat exchanger, the temperature of intermediate water is increased, a large amount of low-temperature heat sources are obtained, heat of high temperature power plant water and stored water is supplied to a user side, low-temperature water obtained after heat exchange returns to a power plant and a first water mainfold, and the low-temperature water obtained after the heat exchange continues participating in circulation; low-temperature water outlet of an evaporator is connected with a second output and outputs the stored water to the second output, an outlet of a low-temperature heat exchange section is connected with the first water mainfold and output heat exchange medium water. The effect that the heating cost is greatly reduced is achieved.

Description

technical field [0001] The invention belongs to the field of heating waste heat recovery and heat distribution, and relates to a float glass waste heat recovery method for lithium bromide heat pump heating. 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 ef...

Claims

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Application Information

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IPC IPC(8): F24D3/18F24D3/10F25B15/06F25B27/02F24S20/40
CPCF24D3/18F24D3/10F25B15/06F25B27/02F24D2200/32F24D2220/10Y02A30/274Y02B30/625Y02P80/20
Inventor 汪语哲张皓天杨正凯李佳乐赵呈呈
Owner DALIAN NATIONALITIES UNIVERSITY