No-shutdown online mandatory polishing method of rotary kiln supporting shaft and supporting roller

A grinding method and technology for supporting roller shafts, which are used in grinding machine tools, grinding devices, manufacturing tools, etc., can solve problems such as aggravating the load of injured bearing bushes, wasting lubricating oil, damage to new bushes and old shafts, etc., so as to ensure the running-in effect and prevent secondary Effects of damage and heat generation

Inactive Publication Date: 2014-01-01
MEI COUNTY YANXUANYAO CEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the rotary kiln supporting wheel bearing pads are heated and damaged. The kiln must be shut down or the production can be reduced. It cannot be repaired without stopping production. Generally, it is necessary to stop production or decelerate the treatment. The deceleration increases the load on the injured bearing pads, increases the processing time, and wastes more. Lubricating oil, not to mention increasing the maintenance cost, a large amount of oil and water mixed pollute the environment, if not handled properly or thoroughly, it will be confused by the surface phenomenon, and oil and water are difficult to mix a

Method used

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Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0025] The bearing pad of the supporting wheel generates heat, and the temperature is 90°C. When it is determined that the non-electric report causes the bearing pad of the supporting wheel to generate heat and the temperature is higher than 52°C, the method of the present invention is adopted, and the specific steps are as follows:

[0026] (1) Forcibly inject water into the heating bearing pad for cooling, and the water injection time is 8 minutes;

[0027] (2) After cooling, inject 320# gear lubricating oil for forced lubrication. While lubricating, use 0# water sandpaper and oiled sackcloth to alternately grind the heating and drawing points of the supporting wheel shaft on-line without stopping production. The grinding time is 5 minutes;

[0028] (3) Repeat steps (1) and (2) several times, preferably 3 times, until the surface of the supporting wheel shaft becomes smooth and the water-cooled bearing pad does not generate heat.

[0029] (4) After grinding, use a circulatin...

experiment example 2

[0031] The bearing pad of the supporting wheel generates heat, and the temperature is 80°C. When it is determined that the non-electric report causes the bearing pad of the supporting wheel to generate heat and the temperature is higher than 52°C, the method of the present invention is adopted, and the specific steps are as follows:

[0032] (1) Forcibly inject water into the heating bearing pad for cooling, and the water injection time is 10 minutes;

[0033] (2) After cooling, inject 320# gear lubricating oil for forced lubrication. While lubricating, use 0# water sandpaper and oiled sackcloth to alternately grind the heating and drawing points of the supporting wheel shaft on-line without stopping production. The grinding time is 10 minutes;

[0034] (3) Repeat steps (1) and (2) several times, preferably 8 times, until the surface of the supporting wheel shaft becomes smooth and the water-cooled bearing pad does not generate heat.

[0035] (4) After grinding, use a circulat...

experiment example 3

[0037] The bearing pad of the supporting wheel generates heat, and the temperature is 70°C. When it is determined that the non-electric report causes the bearing pad of the supporting wheel to generate heat and the temperature is higher than 52°C, the method of the present invention is adopted, and the specific steps are as follows:

[0038] (1) Forcibly inject water into the heating bearing pad for cooling, and the water injection time is 20 minutes;

[0039] (2) After cooling, inject 320# gear lubricating oil for forced lubrication. While lubricating, use 0# water sandpaper and oiled sackcloth to alternately grind the heating and drawing points of the supporting wheel shaft on-line without stopping production. The grinding time is 12 minutes;

[0040] (3) Repeat steps (1) and (2) several times, preferably 12 times, until the surface of the supporting wheel shaft becomes smooth and the water-cooled bearing pad does not generate heat.

[0041](4) After grinding, use a circulat...

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PUM

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Abstract

The invention discloses a no-shutdown online mandatory polishing method of a rotary kiln supporting shaft and supporting roller, and belongs to the technical field of maintaining method of supporting shafts and supporting rollers. According to the technical scheme, the method includes (1) mandatorily injecting water to a heat shaft and roller for cooling; (2) injecting lubricating oil after cooling for mandatory lubricating, and polishing heat drawing points of the shaft and roller in a no-shutdown on-line manner through a piece of 0# waterproof abrasive paper and a piece of liner with oil alternately simultaneously; (3) after polishing, adopting a circulate cooling oil pump to inject gear oil to a damaged support to perform circular lubrication, washing and secondary polishing for 36 to 60 hours, changing with fresh oil, and allowing equipment to resume to operate normally. The no-shutdown on-line mandatory polishing method of the rotary kiln supporting shaft and supporting roller is safe and reliable; on conditions that the supporting shaft and supporting roller is not broken, the method is realized in an on-line manner with constant speed and secondary pollution occurs rarely, and is applied to on-line maintenance of the rotary kiln supporting shaft and supporting roller.

Description

technical field [0001] The invention relates to a maintenance method for the supporting wheel bearing bush of a rotary kiln, and more specifically relates to an on-line forced grinding method for the supporting wheel bearing bush of the rotary kiln without stopping production. Background technique [0002] The heating problem of the bearing pad of the rotary kiln is the most common situation in the operation, and one of the most critical factors to improve the operation rate of the rotary kiln is to solve the heating problem of the bearing pad of the kiln. As the fulcrum of the rotary kiln during the movement of the supporter, the supporting wheel bears three major loads: heat load, material load and kiln self-weight, so it is particularly important to protect the bearing bush of the supporting wheel so that it can operate normally and safely. [0003] At present, the rotary kiln supporting wheel bearing pads are heated and damaged. The kiln must be shut down or the producti...

Claims

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Application Information

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IPC IPC(8): B24B37/00
CPCB24B37/00B24B55/02
Inventor 杨龙寿李胜运
Owner MEI COUNTY YANXUANYAO CEMENT
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