A controllable electrolytic aluminum tank heat dissipation window waste heat recovery device
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A technology of waste heat recovery device and heat dissipation window, which is applied in waste heat treatment, charging treatment types, lighting and heating equipment, etc., can solve the problems of harsh working environment in the production workshop, uncontrollable temperature of the electrolytic aluminum tank, high temperature of the wall surface of the electrolytic aluminum tank, etc. To achieve the effect of improving the working environment of the workshop, improving the work efficiency of workers, and reducing energy consumption
Inactive Publication Date: 2019-03-19
QINGDAO UNIV
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[0004] The purpose of the present invention is to overcome the shortcomings of the prior art, and to design a controllable electrolytic aluminum tank heat dissipation window waste heat recovery device to solve the problem that the wall surface of the electrolytic aluminum tank has a high temperature and is not conducive to the electrolytic reaction. The problem of large external heat dissipation and harsh working environment in the production workshop overcomes the defect of energy waste, solves the problem of uncontrollable temperature in the electrolytic aluminum tank, solves the problems of complex system, inconvenient maintenance, and high production cost
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Embodiment
[0018]The main structure of the controllable electrolytic aluminum tank heat dissipation window waste heat recovery device involved in this embodiment includes: circulating water pump adjustment control line 1, supplementary water booster pump 2, ejector 3, circulating water pump 4, liquid supply main pipe 5 , the liquid branch pipe 6, the first branch flow regulating valve 7, the first heat extraction unit 8, the second heat extraction unit 9, the nth heat extraction unit 10, the two-phase flow branch pipe 11, the circulating water pipe 12, Pressure pump adjustment control line 13, liquid separator 14, second branch flow control valve 15, two-phase flow main pipe 16, gas-liquid separator 17, liquid level gauge 18, water level signal line 19, central controller 20, safety Valve 21, steam temperature and pressure signal line 22, heat extraction unit temperature signal line 23, steam supply pipe 24, mth branch flow regulating valve 25, connecting elbow 26, fixed frame 27, guide r...
Embodiment 2
[0026] The heat extraction unit subsystem of this embodiment is realized in the heat dissipation window of the electrolytic aluminum tank. The upper steel plate 37, the lower steel plate 36 and two vertical plates 38 of the heat dissipation window form a heat dissipation window. In this embodiment, each heat dissipation window is arranged 3 heat extraction units, each heat extraction unit is welded with an input pipe 30 and an output pipe 33 on both sides.
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Abstract
The invention belongs to the technical field of heat recycling and energy conservation and relates to a controllable waste heat recycling device for a cooling window of an electrolytic aluminum bath. The controllable waste heat recycling device comprises a circulating water pump adjustment control wire, a supplementary water pressure pump, an ejector, a circulating water pump, a master liquid supply pipe, liquid distribution branch pipes, a first branch flow adjusting valve, first heat extraction units, second heat extraction units, nth heat extraction units, two-phase flow branch pipes, a circulating water pipe, a pressure pump adjustment control wire, a liquid distributor, a second branch flow adjusting valve, a master two-phase flow pipe, a gas-liquid separator, a liquid level meter, a water level signal line, a central controller, a safety valve, a steam temperature and pressure signal line, a heat extraction unit temperature signal line, a gas supply pipe, an mth branch flow adjusting valve, heat extraction branches, water inlet pipes, water outlet pipes, other heat extraction units and a lower steel plate. By means of the controllable waste heat recycling device, waste heat of the cooling window is utilized reasonably, the work environment of a workshop is improved, temperature distribution in the electrolytic aluminum bath is effectively controlled, the production cost is reduced, the overall structural design is simple, principles are scientific, and the application environment is friendly.
Description
Technical field: [0001] The invention belongs to the technical field of heat recovery and energy saving, and relates to a method of rationally recycling the waste heat of the heat dissipation window of an electrolytic aluminum tank, providing users with saturated steam at a certain pressure, and effectively controlling the heat dissipation of each window to ensure that the electrolytic aluminum tank A controllable waste heat recovery system with uniform and stable temperature inside. Background technique: [0002] Electrolytic aluminum is to obtain aluminum through electrolysis. The modern electrolytic aluminum industry adopts the cryolite-alumina molten salt electrolysis method. This method uses molten cryolite as a solvent, alumina as a solute, carbon body as an anode, and aluminum liquid as a cathode. At 950°C-970°C, the electrochemical reaction is carried out on the two electrodes in the electrolytic cell. [0003] The electrolytic aluminum production process requires ...
Claims
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