Waste heat power generation system of multiple glass kilns

Abstract

The invention relates to a waste heat power generation system of multiple glass kilns. The system solves the technical problems of low waste heat utilization efficiency, low power generation efficiency, poor system stability, high heat reclamation cost, large waste gas heat parameter fluctuation range, serious environmental pollution, high disposable investment cost and the like in the waste gas heat utilization of the traditional glass kilns. The smoke exhaust ports of the multiple glass kilns are communicated with the smoke inlets of multiple parallel waste heat boilers, and the smoke outlets of the waste heat boilers are communicated with a chimney; the water outlet end of a boiler water pump is communicated with the circulating water inlets of the multiple parallel waste heat boilers respectively, the steam outlets of the multiple parallel waste heat boilers are communicated with a steam collecting cylinder, the outlet of the steam collecting cylinder is communicated with the steam input port of a steam turbine, and the steam turbine is connected with a generator; and a steam discharge pipe of the steam turbine is connected with a condensed water system, and the condensed water system is communicated with the water inlet end of the boiler water pump through a deoxidation device. The system is suitable for waste heat power generation of two or more glass kilns.

Description

technical field [0001] The invention relates to waste heat utilization in the glass industry, in particular to a waste heat power generation system of multiple glass furnaces. Background technique [0002] We know that the exhaust gas discharged from the glass furnace is large, but the temperature is low, and the utilization rate is between 30% and 40%. There will be a large amount of residual energy, and most of the residual energy exists in the form of exhaust heat. If the exhaust gas waste heat resources are not fully recycled, not only waste heat energy will be wasted, but also pollute the environment and destroy nature. [0003] Glass kilns in the glass industry usually use heavy oil, natural gas, coal gas, etc. as fuel, and the flue gas formed by the combustion of fuel in the furnace is discharged outside the kiln, which generates waste gas and waste heat resources. The exhaust gas of the glass kiln belongs to the waste heat of the medium-temperature exhaust gas, the ...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of low waste heat utilization efficiency, low power generation efficiency, poor system stability, high heat recovery cost, large fluctuation range of waste gas heat parameters, serious environmental pollution, and one-time investment in the waste heat utilization of traditional glass kilns. High cost and other technical problems, in order to provide a multiple glass kiln waste heat power generation system with high waste heat utilization rate, high power generation efficiency, good system stability, low heat recovery cost, environmental protection, and investment cost saving

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