System for heating batch by utilizing secondary waste heat of float glass furnace
A float glass and heating system technology, which is applied in glass furnace equipment, glass manufacturing equipment, lighting and heating equipment, etc., can solve the problems of unstable system operation, environmental pollution, and low waste heat recovery utilization rate, and reduce production and operation Cost, stable system operation, and the effect of improving the utilization rate of waste heat recovery
Active Publication Date: 2010-01-13
成都南玻玻璃有限公司
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Problems solved by technology
[0004] The present invention aims to solve technical problems such as low waste heat recovery and utilization rate, serious environmental pollution caused by the discharge of flue gas containing a large amount of dust, and unstable operation of the system in the operation of the traditional float glass melting furnace waste heat power generation system. Fuel flue gas waste heat can be fully and effectively used twice, waste heat recovery and utilization rate is high, flue gas emission meets environmental protection standards, and the system operates stably. Secondary waste heat batch heating system for float glass melting furnace
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[0023] The detailed structure of the present invention, application principle, function and effect, refer to the appended figure 1 It will be described through the following embodiments.
[0024] In the secondary waste heat batch heating system of the float glass melting furnace of the present invention, the flue gas outlet of the glass melting furnace 16 is connected to the flue gas inlet of the single-drum Π-type waste heat boiler through the outlet flue 25, and the waste heat boiler The flue gas outlet is connected with a variable frequency induced draft fan 15; the variable frequency induced draft fan 15 is two variable frequency induced draft fans connected in parallel, the air inlets are equipped with induced fan inlet electric disc valves 22, and the air outlets are equipped with induced fan outlet electric disc valves 23, The outlet of the variable frequency induced draft fan 15 is connected to the inlet of the waste heat induced draft fan 38 through the bypass flue 27...
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The invention relates to the technical field of waste heat utilization of a float glass furnace, aiming at solving the technical problems which are present during the operation of waste heat generation systems of the traditional float glass furnaces, such as low recovery rate of waste heat, severe environmental pollution caused by emission of smoke containing a large amount of dust, unstable system operation and the like. A smoke outlet of the float glass furnace of the invention is communicated with a smoke inlet of a waste heat boiler; a smoke outlet of the waste heat boiler is communicated with an inlet of a waste heat draft fan; an outlet of the waste heat draft fan is communicated with an inlet of a rotary dryer through a flue, a charging hole is arranged above the inlet of the rotary dryer, an outlet of the rotary dryer is provided with a downward material outlet end and an upward flue respectively; the upward flue is communicated with a helical conveyor above which a dust collector is arranged; a discharge hole of the helical conveyor and a material outlet end of the rotary dryer are connected with a kiln head feeding bin, and a smoke outlet of the helical conveyor is communicated with a system draft fan and a chimney. The invention is suitable for the waste heat utilization of the float glass furnace.
Description
technical field [0001] The invention relates to the technical field of utilization of waste heat of a glass melting furnace, in particular to a batch material heating system utilizing the waste heat of a float glass melting furnace boiler waste gas. Background technique [0002] The energy consumption of industrial processes is dominated by fuel and electricity. Usually, the utilization rate of fuel is between 30% and 40%, and a large amount of residual energy will be generated, and most of the residual energy exists in the form of exhaust heat. If the exhaust gas waste heat resources are not recycled, it will not only waste energy, but also pollute the environment. Utilize the waste heat resources of industrial processes to build waste heat power plants, and on this basis to realize the reuse of waste heat power generation and exhaust flue gas. Comprehensive utilization of technological transformation projects, its economic benefits, environmental benefits and social benef...
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IPC IPC(8): F22B1/18F26B21/00C03B5/00
Inventor 白京华蒙应龙周军
Owner 成都南玻玻璃有限公司
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