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A control process for exceeding the demulsification degree of turbine oil in power plant operation

A demulsification degree and demulsification technology, which is applied in the application field of the physical and chemical properties of turbine oil in power plants, can solve the problems of excessive demulsification degree of turbine oil, achieve the effect of prolonging service life and improving demulsification performance

Active Publication Date: 2017-03-08
云南电力技术有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The invention provides a process for significantly improving the demulsification performance of operating turbine oil by adding an antagonistic demulsifier to solve the problem that the degree of demulsification of turbine oil exceeds the standard during operation.

Method used

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  • A control process for exceeding the demulsification degree of turbine oil in power plant operation
  • A control process for exceeding the demulsification degree of turbine oil in power plant operation
  • A control process for exceeding the demulsification degree of turbine oil in power plant operation

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0030] The degree of demulsification of No. 46 turbine oil in units 1# and 2# of a thermal power plant seriously exceeded the standard, which seriously threatened the safe operation of the unit. The physical and chemical performance indicators remain unchanged;

[0031] (1) Oil evaluation before adding

[0032]

[0033] (2) Selection of resistant demulsifiers

[0034] According to the analysis and identification results of emulsifiers for oil emulsification, the best resistant demulsifier - polyether polymer compound DL32 was selected through experiments, and the additive dosage of turbine oil for 1# machine and 2# machine was 0.014 respectively. %, 0.012%;

[0035] (3) Effect after adding oil

[0036]

example 2

[0038] The degree of demulsification of No. 46 turbine oil in the 1# and 2# units of a hydropower plant and the clean oil tank seriously exceeds the standard, which seriously threatens the safe operation of the unit. After adding a suitable antagonistic demulsifier, the demulsification performance of the turbine oil is remarkable Improvement, other physical and chemical performance indicators remain unchanged;

[0039] (1) Oil evaluation before adding

[0040]

[0041] (2) Selection of resistant demulsifiers

[0042] According to the analysis and identification results of emulsifiers for oil products, the best anti-emulsifier-polyether polymer compound M013 was selected through experiments, and the running turbine oil in 1# machine, 2# machine and net oil tank was added Grade dose is 400ppm;

[0043] (3) Effect after adding oil

[0044]

Description of drawings

[0045] figure 1 It is the flow chart of the turbine oil demulsification degree exceeding the standard co...

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Abstract

The invention relates to a turbine oil demulsification degree excess control process in power-plant operation. According to the control process, analysis and identification are performed on the basis of types of emulsifying agents causing emulsification in turbine oil, and then a proper dosage of resistant surfactant (a demulsification agent) is added, so as to improve the demulsification performance of the turbine oil in operation. After the process is applied to an oil product with demulsification performance excess of the turbine oil in power-plant operation, continuous trace analysis and a 72-hour aging test show that the demulsification performance of the oil product is obviously improved and has no adverse effects on other physicochemical indexes (such as a flash point, an acid value, moisture, granularity, fatlute separation and liquid phase rust), the oil product meets the requirements of GB11120-2011 and GB / T7596-2008 standards, the service life of the oil product can be prolonged by 2 to 3 years, and the process has the advantages of low cost, simple operation, safety, environment friendliness and the like.

Description

technical field [0001] The invention relates to the application field of the physical and chemical properties of turbine oil in power plants, in particular to a control process for improving the demulsification performance of turbine oil in power plant operation by means of an antagonistic demulsifier. Background technique [0002] As the working medium of the lubrication and speed control system of the steam (water) turbine generator set, the turbine oil plays the roles of lubrication, cooling and heat dissipation, speed control and sealing during the operation of the unit. Once the turbine oil is emulsified during operation, it will cause It loses many basic functions such as lubrication and speed regulation, which brings great harm to the equipment; [0003] At present, the main treatment methods for exceeding the demulsification degree of turbine oil during operation are: oil filtration method, adsorbent regeneration method, oil change method, etc. These methods have th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D17/05
Inventor 周金龙汪坤余兴林陈润荣杨斌顾跃
Owner 云南电力技术有限责任公司
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