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Powdered coal burner head with high efficiency and low wear

A pulverized coal burner and low-wear technology, which is applied to burners, burners for burning powder fuel, combustion methods, etc., can solve problems such as unreasonable design of head parts and unattainable performance indicators, and achieve a wide range of use. , long service life and convenient maintenance

Inactive Publication Date: 2015-02-25
TIANJIN CEMENT IND DESIGN & RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the current cement production, it often happens that the head assembly of the pulverized coal burner is worn out and the kiln is shut down for maintenance in advance, and the performance index of the selected pulverized coal burner cannot be reached due to the unreasonable design of the head part. Problems with system calcination requirements

Method used

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  • Powdered coal burner head with high efficiency and low wear
  • Powdered coal burner head with high efficiency and low wear

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Experimental program
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Effect test

Embodiment 1

[0016] Embodiment 1 A high-efficiency and wear-free pulverized coal burner head consists of a large head outer cylinder, a middle large outer cylinder, a head outer cylinder, a middle outer cylinder, a head injector, an injector connector, and a head coal burner. It is composed of powder outlet, middle coal powder outlet, head cyclone and cyclone connecting parts. Its characteristics are reflected in that the large outer cylinder of the head and the large outer cylinder of the middle part are connected by means of flange contact surfaces and gaskets through connecting bolts; the outer cylinder of the head and the outer cylinder of the middle part are directly connected by threads; the head injector, its There are 16 circular holes evenly distributed in the circumferential direction of the end surface, and the head injector is directly connected with the injector connector through threads; the outlet of the pulverized coal at the head and the outlet of pulverized coal in the mid...

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Abstract

The invention relates to a powdered coal burner head with high efficiency and low wear, which belongs to the cement technical field. The powdered coal burner head is characterized in that the powdered coal burner head is of a component structure and sequentially comprises a head large outer drum, a middle large outer drum, a head outer drum, a middle outer drum, a head ejector and a head swirler from outside to inside, the head large outer drum is connected with the middle large outer drum, the head outer drum is connected with the middle outer drum, the circumference of the end plane of the head ejector is evenly provided with round holes, a head powdered coal outlet is directly connected with a middle powdered coal outlet through threads. The head swirler is provided with a swirl channel. The invention has the advantages of simple structure, compact assembly, saving energy, reducing consumption, full combustion, high efficiency, little abrasion, flexible adjustment, convenient maintenance, safe operation, high device running rate, long service life and extensive use range.

Description

technical field [0001] The invention belongs to the technical field of cement, in particular to a high-efficiency and low-wear pulverized coal burner head. Background technique [0002] At present, the pulverized coal burner is an important thermal equipment for calcining cement clinker in a cement plant. Clinker yield and quality. The use effect and service life of the burner mainly depend on the performance and wear resistance of its head components. In the current cement production, it often happens that the head assembly of the pulverized coal burner is worn out and the kiln is shut down for maintenance in advance, and the performance index of the selected pulverized coal burner cannot be reached due to the unreasonable design of the head part. The problem of system calcination requirements. Contents of the invention [0003] The invention provides a high-efficiency and low-wear pulverized coal burner head to solve the technical problems in the known technology. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D1/02
Inventor 白晓燕刘万平王文清
Owner TIANJIN CEMENT IND DESIGN & RES INST
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