Poly-generation production system of magnesium metal and hydride of magnesium metal
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A production system, metal magnesium technology, applied in the direction of alkali metal/alkaline earth metal/beryllium/magnesium hydride, carbon compounds, non-metallic elements, etc., can solve the problems of high content, low thermal efficiency, poor activity and quality, etc., to achieve Low transportation costs, reduced production costs, and environmentally friendly effects
Active Publication Date: 2018-03-30
SHANGHAI KELAIPU ENERGY TECH CO LTD
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Problems solved by technology
Traditional industrial furnaces calcinate magnesium-containing raw materials and calcium-containing raw materials to obtain magnesium oxide and calcium oxide products through the oxidizing environment of the furnace, which cannot effectively use waste heat, low thermal efficiency, and poor product activity and quality
[0003] Traditional magnesium metal is produced by the Pidgeon method, which requires a high content of magnesium oxide raw materials, the production process is carried out under high vacuum, and the purity of the product magnesium ingot is low
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Embodiment 1
[0027] The polygeneration production system of the metal magnesium and its hydride of the present invention is such as figure 1 As shown, it includes a calcium carbide production device, a crystallization chamber 8, a magnesium refining and pulverizing device 9, a maple energy preparation unit, a reaction pot 10, a magnesium hydroxide calciner 28, a magnesium hydroxide container 41 and an inert gas pipeline 16. Calcium carbide production equipment includes calcium carbide raw material warehouse, rotary kiln 1, functional gasifier 35, ash cooler 47, waste heat power generation equipment 2, Kolaipu unit 3, conversion and separation equipment 4, carbon dioxide purification equipment 5, hydrogen production unit 6, Metal magnesium container 15, hazardous substance removal equipment 37, metal magnesium hydride container 26, raw material preheater 34, carbon dioxide finished product tank 49. The rotary kiln is provided with a kiln body, a raw material inlet, a calcium carbide liquid ou...
Embodiment 2
[0038] Another embodiment of the present invention is as figure 2 As shown, it includes a calcium carbide production device, a crystallization chamber 8, a magnesium refining and crushing device 9, a reaction pot 10, a magnesium hydroxide calciner 28, a magnesium hydroxide container 41, and an inert gas pipeline 16. The calcium carbide production equipment includes calcium carbide raw material warehouse, rotary kiln 1, waste heat power generation equipment 2, Kolaipu unit 3, conversion and separation equipment 4, carbon dioxide purification equipment 5, hydrogen production unit 6, metal magnesium container 15, hazardous substance removal equipment 37, metal Magnesium hydride container 26, raw material preheater 34, carbon dioxide product tank 49. The rotary kiln is provided with a kiln body, a raw material inlet, a calcium carbide liquid outlet, a burner and a flue gas outlet, and a sealed box 48 is arranged on the outside of the kiln body. The burner fuel inlet is connected wi...
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Abstract
The invention relates to a poly-generation production system of magnesium metal and hydride of magnesium metal. The system comprises a calcium carbide production device, a crystallization chamber, a magnesium refining and crushing device, a reaction vessel, a magnesium hydroxide calcining furnace, a magnesium hydroxide container and an inert gas pipeline; a calcium carbide liquid outlet of a rotary kiln is connected with a calcium carbide liquid inlet of the reaction vessel; the magnesium hydroxide container is connected with the magnesium hydroxide calcining furnace; a magnesium oxide outletof the magnesium hydroxide calcining furnace is connected with a magnesium oxide inlet of the reaction vessel; the inert gas pipeline is respectively connected with the magnesium hydroxide calcining furnace and the magnesium oxide inlet of the reaction vessel; a magnesium steam outlet is connected with the crystallization chamber; a solid outlet of the crystallization chamber is connected with a magnesium metal container by means of a magnesium refining and crushing device; a gas outlet is connected with the inert gas pipeline by means of an induced draft fan. The poly-generation production system effectively utilizes the heat of all technological processes, thus being energy-saving and environmentally-friendly; the poly-generation production system realizes the poly-generation of multipleproducts such as magnesium metal, magnesium hydride, pure carbon maple energy and electric power, thus being considerable in economic benefit.
Description
Technical field [0001] The invention belongs to the technical field of industrial furnaces, and relates to a polygeneration system for metal magnesium and its hydride. Background technique [0002] Rotary kiln or rotary kiln is used in the metallurgical industry for the direct reduction of iron ore, the roasting of alumina minerals, the roasting of clay minerals, as well as the roasting, volatilization, separation and drying of various bulk raw materials. Traditional industrial kilns obtain products of magnesium oxide and calcium oxide by calcining magnesium-containing raw materials and calcium-containing raw materials in the oxidizing environment of the furnace, which cannot effectively use waste heat, has low thermal efficiency, and has poor product activity and quality. [0003] Traditional magnesium metal is produced by the Pidgeon method, which requires high content of magnesium oxide raw materials, the production process is carried out under high vacuum, and the purity of the...
Claims
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