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Cement clinker sintering technology and its equipment

A cement clinker and process technology, which is applied in the field of cement clinker firing process, can solve the problems of inability to realize fast burning and quenching of clinker, automatic control and large-scale operation of stable and continuous operation, low heat transfer efficiency of the system, and large impact. Achieve the effects of stable continuous operation, automatic control and large-scale, and improve heat transfer efficiency

Inactive Publication Date: 2007-10-24
缪建通
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Problems solved by technology

[0009] The purpose of the present invention is to propose a cement clinker firing process and equipment with a brand-new structure aiming at the defects existing in the existing technology of shaft kiln, which effectively overcomes the low heat transfer efficiency of the system existing in the prior art, and the preheating , The cooling zone has a great influence on the clinker firing, and it is impossible to realize the fast burning and rapid cooling of the clinker, the automatic control of stable and continuous operation, and the large-scale defects.

Method used

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  • Cement clinker sintering technology and its equipment

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Embodiment Construction

[0015] Referring to accompanying drawing 1, its structure is that the outlet of feeding device is connected with preheating drying chamber 6, and preheating drying chamber 6 is connected with induced draft fan 19 through induced air pipe 16; 10 is connected to the cooling chamber 8; the cooling chamber 8 is connected to the combustion chamber 7 through the sealing pipe 11; the combustion chamber 7 is connected to the hot gas mixing burner 10 through the hot air pipe 9.

[0016] The preheating drying chamber 6 is connected with the cyclone dust collector 17 through the induced air pipe 16;

[0017] The cooling chamber 8 is connected with the clinker conveyor 15 through the feeding pipe 14 .

[0018] The preheating and drying chamber 6, the combustion chamber 7, and the cooling chamber 8 are independent devices respectively.

[0019] The feeding device is composed of a raw material bin 1, a steady flow metering device 2, a material water stirring device 3, a ball forming plate ...

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Abstract

A technology for calcining cement clinker includes metering, adding water, stirring, calcining and cooling. Its apparatus features that a pre-heating and baking chamber at the outlet of feeder is communicated with the draught fan via air drought pipe and the cooling chamber via hot air mixing burner, the cooling chamber is communicated with combustion chamber via sealing pipe, and the combustion chamber is communicated with hot air mixing burner via hot air pipe.

Description

technical field [0001] The invention relates to a brand-new cement clinker burning process which transforms a traditional cement clinker burning system. The invention belongs to the technical field of cement production. Background technique [0002] At present, my country's cement industry adopts a variety of technologies, which are generally divided into two categories: rotary kiln and shaft kiln. Rotary kiln includes precalciner kiln (new dry process kiln), preheater kiln, dry process hollow kiln, Liboer kiln, wet process kiln, etc.; vertical kiln is divided into earthen vertical kiln, ordinary vertical kiln and mechanical vertical kiln Wait. [0003] Among the rotary kilns, the precalciner kiln (new dry process kiln) is the most advanced and has become the main kiln type in the rotary kiln; among the vertical kilns, the mechanized vertical kiln is the best. At present, in actual production, earth shaft kilns have been basically eliminated, common shaft kilns are rare, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/43
CPCY02P40/121
Inventor 缪建通
Owner 缪建通
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