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Novel rotary furnace system

A rotary furnace, a new type of technology, applied in the field of magnesia drying equipment, can solve the problems of high production cost and large energy consumption, and achieve the effects of reduced production cost, rapid conduction and heat conduction, and improved production efficiency

Inactive Publication Date: 2016-01-20
DASHIQIAO MEIR MAGNESIUM PROD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention mainly solves the technical problem that the prior art rotary furnace used for heating electrical grade magnesia uses electric energy or diesel oil, and the energy consumption is huge, resulting in high production cost. rotary kiln system,

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Embodiment Construction

[0019] In order to make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0020] The embodiment of the present invention provides a new type of rotary kiln system, including a storage tank 1, a rotary kiln and a cooling device. The feed port of the rotary kiln is connected with the storage tank 1, and the discharge port is connected with the cooling device. At least one natural gas burner 6 for heating the rotary kiln is arranged in the circumference of the converter, and the natural gas burner 6 is close to the discharge port of the rotary kiln.

[0021] Specifically, the rotary furnace includes a rotary cylinder 2 and a heat-insulating cylinder 3 sheathed outside the rotary cylinder, and the rotary cylinder 2 is electrically connected with a motor. ...

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Abstract

The invention relates to the technical field of magnesium oxide drying equipment, and provides a novel rotary furnace system. The system comprises a material storage tank, a rotary furnace and a cooling device. A feeding opening of the rotary furnace is communicated with the material storage tank, and a discharging opening of the rotary furnace is communicated with the cooling device. At least one natural gas burner for heating the rotary furnace is arranged in the circumferential direction of the rotary furnace, and the natural gas burner is close to the discharging opening of the rotary furnace. The rotary furnace comprises a rotary cylinder and a heat preservation cylinder arranged on the outer portion of the rotary cylinder in a sleeving manner. The rotary cylinder is electrically connected with a motor. An opening is formed in the side wall of the heat preservation cylinder. A burning head of the natural gas burner penetrates through the opening of the heat preservation cylinder and faces the rotary cylinder. A spiral heat conduction plate is arranged on the outer wall of the rotary cylinder. The natural gas burner can be adopted for heating the rotary furnace, the production cost is greatly reduced, the temperature rising speed of the rotary furnace is high, and the temperature is high.

Description

Technical field [0001] The invention relates to the field of magnesium oxide drying equipment, in particular to a novel rotary furnace system. Background technique [0002] Because magnesium oxide has good thermal conductivity and electrical insulation properties, electrical grade magnesium oxide is widely used as a filling material for tubular electric heating elements. Electrical grade magnesium oxide serves to fix the heating wire in the electric heating element and insulate and conduct heat. At present, there are two main manufacturing methods of electrical grade magnesium oxide. One is to directly pulverize low-iron fused magnesia to the particle size standard and then add additives, and then perform subsequent processes after mixing. The other is to heat and dry the magnesia that has reached the particle size standard through an oven or other equipment before proceeding to the subsequent process. The performance of the second electrical grade magnesium oxide produced by dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B7/00F27B7/22
CPCY02P10/143
Inventor 荆巍胡玉贵毛贵海李广明熊岐
Owner DASHIQIAO MEIR MAGNESIUM PROD
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