Thermocouple power generation device by utilizing flue gas waste heat of melting furnace
A technology for power generation device and flue gas waste heat, which is applied to generators/motors, waste heat treatment, electrical components, etc., can solve the problems of unavailability of flue gas, reduced chimney drawing force, and large system investment, and achieves simple structure and low investment. , the effect of increasing the voltage
Active Publication Date: 2016-03-02
(CNBM) BENGBU DESIGN & RES INST FOR GLASS IND CO LTD
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Problems solved by technology
At present, this kind of flue gas waste heat power generation adopts traditional technology, using flue gas as the boiler heat source, using the boiler to generate steam, and using the steam as power to drive the turbine generator to generate electricity. If the gas volume is too small, the flue gas cannot be used; secondly, in some occasions, the outlet temperature of the flue gas after utilization is too low, which will reduce the suction of the chimney
Method used
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[0012] combine figure 1 and figure 2 As shown, the present invention provides a thermocouple power generation device using the waste heat of furnace flue gas, which includes a set of bushing power generation units, that is, the first bushing power generation unit 1, the second bushing power generation unit 2, and the third bushing power generation unit Unit 3, ..., the n-1th bushing power generation unit n-1, the nth bushing power generation unit n, each bushing power generation unit includes a bushing 1b inserted in the flue c, and the bushing 1b There is a set of thermocouples inside, that is, the first thermocouple 1a, the second thermocouple 2a, the third thermocouple 3a, ..., the Nth thermocouple Na, the thermocouples are arranged densely from the inside to the outside, and each casing The hot ends of the thermocouples in the power generation unit are all located inside the casing and in the flue c, and the cold ends of the thermocouples in each casing power generation ...
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The invention discloses a thermocouple power generation device which comprises a group of casing pipe power generation units, wherein each casing pipe power generation unit comprises a casing pipe inserted into a flue, a group of thermocouples is arranged in the casing pipe, and the thermocouples are densely arranged from inside to outside in order; the hot ends of the thermocouples in each casing pipe power generation unit are positioned in the casing pipe and also positioned in the flue, and the cold ends of the thermocouples in each casing pipe power generation unit are connected in parallel and positioned outside the casing pipe and outside the flue; all the casing pipe power generation units are connected in series, the two ends of the casing pipe power generation units after being connected in series are connected with input interfaces of an inverter, and the output interface of the inverter is used as the output interface of the power generation device; each casing pipe is filled with quartz sand. The thermo-electric effect of the thermocouples is utilized, and a group of thermocouples is densely arranged in each casing pipe power generation unit; the cold ends of the thermocouples are connected in parallel, and the current in a power generation loop is increased; all the casing pipe power generation units are connected in series, and the voltage of the power generation loop is increased. The thermocouple power generation device has a simple structure and can generate electricity no matter how much the amount of flue gas.
Description
technical field [0001] The invention relates to the field of waste heat power generation, in particular to a thermocouple power generation device for the waste heat of flue gas in a flat glass melting furnace. Background technique [0002] In the production of flat glass, in the flue of the flat glass melting furnace, the temperature of the flue gas is 400-500 ° C. In order to utilize the waste heat of the flue gas, it has become a trend to use the waste heat of the flue gas of the melting furnace to generate electricity. At present, this kind of flue gas waste heat power generation adopts traditional technology, using flue gas as the boiler heat source, using the boiler to generate steam, and using the steam as power to drive the turbine generator to generate electricity. If the gas volume is too small, the flue gas cannot be used; secondly, in some occasions, the outlet temperature of the flue gas after utilization is too low, which will reduce the suction of the chimney. ...
Claims
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Login to View More IPC IPC(8): F27D17/00F23J15/06H02N11/00
CPCY02E20/30
Inventor 邢飞张治民
Owner (CNBM) BENGBU DESIGN & RES INST FOR GLASS IND CO LTD