Mineral refining furnace
A technology for smelting furnaces and minerals, applied in furnaces, rotary drum furnaces, furnace types, etc., can solve problems such as unstable coil fixing, unstable heating, and danger of coils
Inactive Publication Date: 2015-12-09
徐州东兴能源有限公司
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, electromagnetic heating has the problem of unstable heating, and the coil is not fixed stably. If the barrel shakes, the coil is easy to touch the barrel and cause danger.
Method used
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Embodiment Construction
[0025] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0026] A mineral refining furnace of the present invention comprises a furnace body, the furnace body is provided with a feed part 2, a heating part 3 and a discharge part in sequence from front to back, the heating part 3 is provided with a heating part shell 32, and the heating part shell 32 runs through an axially extending material barrel 5, and an electromagnetic heating coil 31 is wound outside the material barrel 5. The electromagnetic heating coil 31 does not contact the outer wall of the material barrel 5. It is characterized in that: the outer wall of the material barrel 5 is provided with a thermal insulation layer 33 , the electromagnetic heating coil 31 is wrapped in the heat insulation layer 33, the heat insulation layer 33 is slidably attached to the outer wall of the barrel 5, and the lower part of the heat insulation layer 33 is...
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The invention discloses a mineral refining furnace. A charging barrel which extends axially penetrates through a heating part shell; an electromagnetic heating coil is wound outside the charging barrel without contacting the outer wall of the charging barrel; a heat-insulation electric-insulation layer is arranged around the outside of the charging barrel; the electromagnetic heating coil is wrapped in the heat-insulation electric-insulation layer; the heat-insulation electric-insulation layer and the outer wall of the charging barrel are attached together in a sliding mode; the lower part of the heat-insulation electric-insulation layer is fixed to the heating part shell through an electric-insulation layer bracket; the electromagnetic heating coil is formed by winding a hollow wire; the hollow cavity of the wire is filled with circulating cooling water; the charging barrel comprises a hollow charging barrel shell; an energy storage core rod which extends axially is arranged in the charging barrel shell; the energy storage core rod comprises a core rod shell and a carbon core which is plugged in the core rod shell; and after the power is on, the electromagnetic heating coil inducts vortex in the charging barrel shell and energy storage core rod through electromagnetic induction, thereby heating the charging barrel shell and energy storage core rod.
Description
technical field [0001] The invention relates to the technical field of ore refining equipment, in particular to a mineral refining furnace. Background technique [0002] Mineral smelting furnaces are mainly used in mines, which can carry out preliminary processing of ore powder and improve the precision of minerals. Taking iron ore as an example, there are many kinds of iron ore. The main two are magnetite (Fe3O4) and hematite ( Fe2O3), the latter is also commonly known as red ore. my country's iron ore is generally lean ore, with a grade of around 30, and generally requires beneficiation. The beneficiation process of low-grade hematite is complicated and difficult to realize. Therefore, most of the ore dressing in our country is magnetite, which is physical beneficiation, which is easy to realize technically. In order to increase the beneficiation efficiency, the ore is processed before the magnetite is screened, and the impurity iron element in the ore is oxidized to Fe...
Claims
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IPC IPC(8): F27B7/00F27B7/22F27B7/34F27B7/20
Inventor 张琪雯沈潇泓璐莹
Owner 徐州东兴能源有限公司