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Vertical pulverizer for grinding ultrafine powder

A pulverizer and ultra-fine powder technology, applied in grain processing, etc., can solve the problems of poor steady-state control characteristics of hydraulic mechanisms, poor powder fineness and consistency, weak anti-interference ability, etc., and achieve good steady-state control Ideal characteristics, powder fineness and consistency, and strong anti-interference ability

Inactive Publication Date: 2014-06-18
HUZHOU QIANJIN BAOYUN MACHINERY CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the structure of the hydraulic mechanism of the existing vertical pulverizer is unreasonable, resulting in poor steady-state control characteristics and weak anti-interference ability of the hydraulic mechanism, resulting in instability of the system during work, making the pulverizer grinded The fineness and consistency of the powder are not good, which is the key problem restricting the breakthrough of ultrafine powder pulverization technology

Method used

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  • Vertical pulverizer for grinding ultrafine powder
  • Vertical pulverizer for grinding ultrafine powder
  • Vertical pulverizer for grinding ultrafine powder

Examples

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Embodiment

[0021] Embodiment: a kind of vertical pulverizer of grinding superfine powder, as attached figure 1 And attached figure 2 As shown, it includes a mechanical mechanism and a hydraulic mechanism. The mechanical mechanism includes a chassis 1, the top of the chassis 1 is a frame 2, the bottom of the chassis 1 is a workbench 3, and the workbench 3 is provided with a crushing groove 4; The upper part of the frame 2 is provided with a hydraulic cylinder 5, the 5 extension ends of the hydraulic cylinder are provided with a cantilever 6, the end of the cantilever 6 is provided with a motor 7, the output end of the motor 7 is provided with a main shaft 8, and the bottom of the main shaft 8 is connected with The crushing hub 9 is placed above the crushing tank 4; the hydraulic mechanism includes an oil pump 12, and the oil pump 12 is connected to a three-position four-way solenoid valve 13 through the P oil circuit, four three-position four-way solenoid valves The paths are respective...

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PUM

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Abstract

The invention discloses a vertical pulverizer for grinding ultrafine powder. The vertical pulverizer for grinding ultrafine powder comprises a mechanical mechanism and a hydraulic mechanism, wherein a proportional valve control amplifier (16) of the hydraulic mechanism comprises an input interface unit (18) connected with an electric controller (17); the input interface unit (18) is connected with a signal processing unit (19); the signal processing unit (19) is connected with a power amplifying unit (20) connected with a proportional speed regulating valve (15); the proportional speed regulating valve (15) is provided with a displacement sensor (21) connected with a signal conditioning circuit (22); the signal conditioning circuit (22) is connected with the signal processing unit (19). The vertical pulverizer for grinding ultrafine powder, which is provided by the invention, can effectively prevent equipment failure caused by motor overloading; meanwhile, the hydraulic mechanism provided by the invention has superior stability and reliability, and the powder fineness and consistency after grinding are very ideal.

Description

technical field [0001] The invention relates to a vertical pulverizer for grinding ultrafine powder, in particular to a vertical pulverizer for grinding ultrafine powder such as ore, grinding powder and grain. Background technique [0002] Vertical pulverizers are generally used for crushing ore, grinding powder or grain, etc. Its working principle is that the hydraulic cylinder drives down the ore, and the motor drives the pulverizing hub to rotate while pressing down, further improving the pulverizing effect. However, the structure of the hydraulic mechanism of the existing vertical pulverizer is unreasonable, resulting in poor steady-state control characteristics and weak anti-interference ability of the hydraulic mechanism, resulting in instability of the system during work, making the pulverizer grinded The fineness and consistency of the powder are not good, which is the key problem restricting the breakthrough of ultrafine powder pulverization technology. Contents o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C25/00
Inventor 沈文宝
Owner HUZHOU QIANJIN BAOYUN MACHINERY CASTING
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