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Adjustable coal mill separator

An adjustable coal pulverizer technology, which is applied in the direction of solid separation, fuel supply adjustment, and separation of solids from solids with airflow, can solve the problems of unable to adjust the fineness and concentration of coal powder, and achieve enhanced aerodynamics effect, precisely control the adjustment angle, and achieve the effect of pulverized coal concentration

Pending Publication Date: 2022-07-29
HUANENG POWER INT INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] In view of the above problems, the present invention provides an adjustable coal pulverizer separator, the purpose of which is to solve the technical problem that the coal fineness and concentration cannot be adjusted as required in the above background technology

Method used

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  • Adjustable coal mill separator
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Embodiment Construction

[0028] In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings, in which several embodiments of the present invention are given, but the present invention can be implemented in different forms and is not limited to the description in the text rather, these embodiments are provided so that this disclosure will be thorough and complete.

[0029] It should be noted that when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it may be The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for the purpose of illustration only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated by one of ordina...

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Abstract

The invention provides an adjustable coal mill separator which comprises a shell, a coarse material return hopper is arranged in the middle of the shell, a discharging pipe is arranged in the middle of the coarse material return hopper, a plurality of discharging pipes are arranged on the top face of the shell, an adjustable stator blade cage mechanism is arranged on the top face of the coarse material return hopper, and a plurality of adjustable blades are arranged on the top face of the adjustable stator blade cage mechanism. A rotor blade cage mechanism is arranged in the middle of the adjustable stator blade cage mechanism, the angle of a stator guide vane is adjusted through the adjustable stator blade cage mechanism, so that the opening degree of the stator guide vane is changed, and the fineness of pulverized coal is adjusted; an operator can conveniently check the angle of the current stator guide vane through the adjusting angle indicating mechanism, so that the angle is accurately controlled and adjusted, the aerodynamic effect of the stator vane cage and the rotor vane cage is further enhanced through the vanes with arc-shaped cross sections, and the service life of the stator vane cage and the rotor vane cage is prolonged. Therefore, the air suction amount can be controlled by adjusting the rotating speed of the rotor driving motor, and adjustment of the pulverized coal concentration is achieved.

Description

technical field [0001] The invention relates to the technical field of coal mill equipment, in particular to an adjustable coal mill separator. Background technique [0002] Although the existing coal mill is provided with a device for adjusting the air speed and air volume in the pulverized coal pipeline, it is still impossible to adjust the fineness and concentration of the pulverized coal as required. In order to improve the combustion efficiency of the coal-fired boiler and reduce the The generation of nitrogen oxides requires a device that can adjust the fineness and concentration of pulverized coal, so as to further improve the combustion efficiency of the boiler and reduce the generation of nitrogen oxides. [0003] According to a pulverized coal concentration adjusting device and a coal mill separator provided by the patent document with the application number of CN201920677835.9, it can be known that the device includes: a baffle plate for adjusting the concentratio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23N1/02B02C23/30B07B7/083B07B11/02
CPCF23N1/02B02C23/30B07B7/083B07B11/02
Inventor 孟祥生杜东明谭敏张忠华邹兵曹磊杨志佳杨庆志黄清杰孙涛王志刚包春斌杨文波孙永军刘宏峰李绍平徐依兵王欣于小川范原郝志明陈英志宋月明王鹏邵英华李萍孙贺孟艳文贺志王丽敏杜淑杰臧曼君吴晓华张湘研宋泽宇胡艺露于娜钱嘉桐原镜宗赵宇彤狄施彤于跃冯鑫刘光旭赵久特何润山杨柏文林俣彤段克迪赵峰田家丞
Owner HUANENG POWER INT INC
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