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A device and method for automatically crushing lumps in a shaft kiln of heavy-burned magnesia

The utility model relates to a shaft kiln and automatic technology, which is applied in the field of devices for automatically crushing and re-burning the weight in the magnesia shaft kiln, which can solve the problems of the suspension furnace and the like, and achieve the effects of improving production efficiency, simple equipment structure and low operation cost.

Active Publication Date: 2019-08-02
海城市鹏程镁矿有限公司
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Problems solved by technology

[0004] The invention provides a device and method for automatically crushing the lumps in the heavy-burned magnesia shaft kiln, which effectively solves the problem of the lumps hanging from the furnace during the production process of the dead-burned magnesia shaft kiln

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  • A device and method for automatically crushing lumps in a shaft kiln of heavy-burned magnesia

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing.

[0021] like figure 1 As shown, the present invention is a device for automatically crushing sintered magnesia shaft kiln lumps, comprising a shaft kiln body, a secondary air inlet 10 arranged at the lower part of the shaft kiln body, and a secondary The air duct 9 is arranged on the shaft kiln working platform 13 at the lower part of the secondary air duct, and is characterized in that a drive system 1 composed of a motor and a reducer and a hydraulic propulsion system connected with the drive system 1 are installed on the shaft kiln work platform 13 2 and the pneumatic crushing system 4 connected with the hydraulic propulsion system 2, the drive system 1 is mainly used to drive the hydraulic propulsion system and the pneumatic crushing device according to the set program; the hydraulic propulsion system 2 is composed of a high-pressure oil pump, an oil cylinder, a piston ...

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Abstract

The invention discloses a device and method for automatically crushing the lumps in a shaft kiln of heavy-burned magnesia. system, hydraulic propulsion system and pneumatic crushing system. The pneumatic crushing system is mainly composed of an air compressor, an air storage tank and a crushing hammer; the crushing hammer includes a high-pressure cylinder, an electromagnetic reversing valve and a high temperature resistant alloy braze On the working platform of the shaft kiln, a slideway is provided at the lower part of the breaker of the pneumatic crushing system, and the high-temperature-resistant alloy chisel rod is inserted into the shaft kiln body through the secondary air pipe to break the heavy-burned magnesia lumps , while relying on the secondary air to cool it. The present invention can adjust the magnitude of crushing impact force, impact time and cycle for different shaft kilns and different grades of heavy-burned magnesia produced in the production process of dead-burned magnesia, and can adjust the crushing impact force, impact time and cycle, and meet the requirements of the heavy-burned magnesia block degree for the automatic discharge of the furnace machine. requirements.

Description

technical field [0001] The invention relates to the technical field of raw material production of refractory materials, in particular to a device and method for automatically crushing lumps in a shaft kiln of heavy-burned magnesia. Background technique [0002] In the process of producing dead burnt magnesia in shaft kiln, furnace hanging accidents caused by burden lumps are common problems, which seriously affect the forward movement of burden. The main reason for the agglomeration of the charge is that there are impurities such as silicon dioxide, calcium oxide and iron oxide in the ash of raw materials and fuels. At high temperatures, the impurities react with part of magnesium oxide to form minerals with low melting points such as calcium magnesium olivine and dicalcium ferrite. Wait. On the one hand, these changes can cause the raw materials to produce a liquid phase at the calcination temperature, thereby fully sintering and densifying the dead-burned magnesia; The p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B2/12F27B1/10
CPCC04B2/12F27B1/10
Inventor 李志坚曲殿利李林山吴锋栾旭李广垠刘洋
Owner 海城市鹏程镁矿有限公司
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