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Anti-scale water cooling bearing bush

A water-cooled bearing and bearing pad technology, which is applied to bearing components, shafts and bearings, bearing cooling, etc., can solve the problem of easy scaling of cooling water channels, achieve strong anti-scaling ability of water channels, simple structure, easy disassembly, cleaning and maintenance. Effect

Inactive Publication Date: 2018-11-16
EMEISHAN JIANNAN HYDROPOWER EQUIP MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides an anti-scaling water-cooled bearing pad to solve the problem of easy fouling in the cooling water channel of the bearing pad in the prior art

Method used

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  • Anti-scale water cooling bearing bush
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  • Anti-scale water cooling bearing bush

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as Figure 1~4 , an anti-scaling water-cooled bearing pad, including an upper bearing pad 1 and a lower bearing pad 3 fixedly connected to each other; the inside of the lower bearing pad 3 is provided with several water-cooling through holes 2; each of the water-cooling through-holes 2 Both are equipped with water-cooling tubes; the water-cooling tubes include a water-cooling outer tube 8 whose outer wall is in contact with the inner wall of the water-cooling through hole 2 and whose two ends extend to the outside of the water-cooling through-hole 2, and which are arranged in the water-cooling outer tube 8 and whose two ends extend to the water-cooling outer tube 8. The water-cooled inner tube 7 outside the tube 8; a sealing body 19 is arranged between the inner wall at both ends of the water-cooled outer tube 8 and the outer wall of the water-cooled inner tube 7, so that the water-cooled outer tube 8 and the water-cooled inner tube 7 are tightly sealed and sealed. ...

Embodiment 2

[0041] Based on Example 1, such as figure 2 and 3 , in order to prevent possible metal salts from being adsorbed and deposited on the walls of the first channel 5, the following improvements are made: at least two spoiler rings 10 are evenly distributed on the outer wall of the water-cooled inner tube 7; the spoiler rings Form gap fit between 10 and water-cooled outer tube 8. By setting the turbulence ring 10, the cooling water flowing through the first channel 5 is in a slightly turbulent state. In this case, even if the cooling water in the first flow channel 5 is insufficiently cooled locally, for example, the cooling water near the inner wall of the water-cooled appearance will be cooled by the water-cooled inner tube 7 weaker than the cooling water near the outer wall of the water-cooled inner tube 7, and a small amount of water will appear. The precipitation of calcium and magnesium ions into salt. The formed inorganic salt particles are not easily attached to the wa...

Embodiment 3

[0043] Based on Example 2, in order to prevent the corrosion of the pipe wall near the first flow channel 5 from forming defects that are conducive to the adsorption of metal salts, the following improvements are made: the outer wall of the spoiler ring 10 is coated with a metal magnesium layer. Since both sides of the water-cooled inner tube 7 are in contact with water and are in a heated state for a long time, they are easily corroded and pits are formed on the surface. By adding a metal magnesium layer on the spoiler ring 10, a primary battery is formed between it and the metal material of the water-cooled inner tube 7, and the electrolysis of the magnesium layer replaces the electrolysis of the water-cooled inner tube 7, thereby preventing the water-cooled inner tube 7 Corrosion avoids the formation of surface pits, thereby reducing the possibility of nucleation of calcium and magnesium inorganic salts precipitated in high-temperature cooling water, and avoiding the accumul...

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Abstract

The invention relates to an anti-scale water cooling bearing bush. The anti-scale water cooling bearing bush comprises an upper bearing bush and a lower bearing bush fixedly connected; multiple watercooling through holes are formed in the lower bearing bush; water cooling pipes are mounted in all the water cooling through holes; the water cooling pipes comprise water cooling outer pipes whose outer walls are contacted with the inner walls of the water cooling through holes and whose two ends extend out of the water cooling through holes, and water cooling inner pipes arranged in the water cooling outer pipes and whose two ends extend out of the water cooling outer pipes; sealing bodies are arranged between the inner walls of the two ends of the water cooling outer pipes and the outer walls of the water cooling inner pipes, so that the water cooling outer pipes and the water cooling inner pipes are tightly sealed to form first runners; water inlet pipes are arranged on the side walls of one ends of the water cooling outer pipes, and water outlet pipes are arranged on the side walls of the other ends; and second runners are formed in the water cooling inner pipes. Through design ofsleeves on cooling water paths, the overall temperature of cooling water is lowered, the temperature condition of separation of metal salt is weakened, the scaling prevention of the water cooling pipes is realized, and the cooling effect of the bearing bush is guaranteed.

Description

technical field [0001] The invention relates to the field of water turbine equipment, in particular to an anti-scaling water-cooled bearing pad. Background technique [0002] For a long time, many horizontal hydro-generator sets have seriously threatened the normal operation of bearings due to high radial tile temperature. On the one hand, the excessively high tile temperature increases the loss of bearings, and energy is wasted in vain; Maintenance will inevitably bring huge economic losses to the power station. [0003] Chinese patent CN201220393669.8 (publication number) discloses a "water-cooled bearing pad". By setting an "S"-shaped water circulation path in the lower bearing pad body, the two ends of the water circulation path are respectively connected to the water inlet and outlet. They are respectively arranged on both sides of the lower bearing pad body. An "S"-shaped water circulation path is formed on the back of the lower bearing pad body to transfer heat, so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C37/00F16C33/04
CPCF16C37/00F16C33/046
Inventor 赖凌云杨玲
Owner EMEISHAN JIANNAN HYDROPOWER EQUIP MFG CO LTD
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