Raymond mill crashing auto control method and equipment thereof

An automatic control device, Raymond mill technology, applied in the direction of adaptive control, comprehensive factory control, comprehensive factory control, etc., can solve the problems of increased maintenance cost, low control accuracy, shutdown, etc., to reduce equipment failure rate, expand The scope of application and the effect of improving economic benefits

Inactive Publication Date: 2008-07-30
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the nonlinearity and hysteresis of the feeding controller, workers cannot accurately control the feeding speed during the feeding process
If the feeding speed is too slow, the production efficiency will be low; if the feeding speed is too fast, it will easily block the equipment, cause shutdown

Method used

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  • Raymond mill crashing auto control method and equipment thereof
  • Raymond mill crashing auto control method and equipment thereof
  • Raymond mill crashing auto control method and equipment thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] In Figure 1, the block material crushed to a certain size by the jaw crusher 1 is shaped,

[0030] The granular sand (diameter <20mm) obtained after washing, drying, and magnetic separation to remove iron is conveyed vertically to the storage hopper 9 by the bucket elevator 2, and then the granular sand is quantified and uniformly distributed by the electromagnetic vibrating feeder 3. The powder is continuously fed into the host 5 for grinding, and the ground powder is blown out by the blower 8 and classified by the analyzer 6 placed above the host 5. The powder with a fineness that meets the specifications enters the cyclone collector 10 along with the wind flow, and is discharged through the powder outlet pipe 12 after being collected to be the finished product. The air flow returns to the blower 8 from the return air pipe 11 at the upper end of the cyclone collector 10, and the entire air path system is closed and circulating and flows under negative pressure.

[0031] A...

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PUM

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Abstract

The invention discloses an automatic control method of Raymond mill grinding. Equipment can be automatically adjusted so as to ensure that the Raymond mill runs at an optimum load condition. The invention also discloses an automatic control method and an automatic control device for implementing the Raymond mill grinding. The device not only can real-time monitor the operation condition of feeding, grinding, airflow rough separation in a Raymond mill workshop, but also can automatically adjust feeding and grinding according to the main engine load. Furthermore, the invention also can automatically adjust a blower on the basis of technical requirements, which realizes the automation of the airflow rough separation and overcomes the shortcomings of manual operation operated by workers. The invention adopts a self-adaptive control method to adjust and control and employ a programmable logic controller as a control core. No manual operation is needed in the whole production process, thus realizing the fully automatic adjustment of feeding, grinding and airflow rough separation, saving energy, greatly reducing equipment failure rate and increasing productive efficiency; through using a supervisory control computer witch can carry out a real-time monitor, the working parameter and index parameter of the PLC can be modified at any time so as to improve production efficiency.

Description

technical field [0001] The invention relates to an automatic control method and device for Raymond mill crushing that can realize real-time monitoring and automatic optimal control of the working conditions of Raymond mill vibration feeding, crushing, and airflow coarse separation in a crushing workshop. Background technique [0002] Raymond mill is a kind of pulverizing mill imported from abroad. At present, there are many domestic productions. It is suitable for the preparation of various mineral powders and coal powders, such as fine powder of raw material ore, coal mine, diamond, silicon carbide and other materials. processing. Raymond mill looks like an upright steel container from the appearance, with air inlet and outlet, and a material inlet in the middle. The structure of the machine is mainly composed of main engine, analyzer, blower, finished product cyclone separator, fine powder cyclone separator and air duct. Among them, the main engine is composed of a frame...

Claims

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Application Information

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IPC IPC(8): B02C25/00B02C15/00G05B13/04G05B19/418
CPCY02P90/02
Inventor 周杏鹏孙浩
Owner SOUTHEAST UNIV
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