Boiler induced-draft fan blockage early warning method based on decision-making tree system
A decision tree and induced draft fan technology, applied in special data processing applications, instruments, electrical digital data processing, etc., to achieve the effects of prolonging the service life, reducing labor intensity, and reducing maintenance costs
Inactive Publication Date: 2017-06-13
湖南坤宇网络科技有限公司
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[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a method for early warning of boiler induced draft fan blockage based on a decision tree system, which can immediately correct the data error of the electronic sensor in various environments and remind boiler staff of induced draft fan blockage The situation allows the staff to get an accurate ID fan blockage to ensure the normal and stable operation of the boiler, to prolong the service life of the electronic sensor, reduce the maintenance cost of the boiler, and realize the automatic judgment of the boiler ID fan blockage, which is accurate and accurate. Manual judgment is no longer required, reducing the labor intensity of staff
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[0019] Such as figure 1 As shown, a kind of boiler induced draft fan clogging warning method based on decision tree system provided by the present invention comprises the following steps:
[0020] Step (1), obtain boiler room environment and boiler operating parameter data A, and then obtain the critical value B of boiler induced draft fan blockage, according to the mutual learning speed in data A and critical value B Corresponding to the error rate table t, the value in the error rate table t is quantified to a decimal between 0-1, and then the induced fan blockage error rate table T is established;
[0021] The environmental data of the boiler room include: the size of the boiler room, how many boilers are available, the type of boiler, the time of use, the type of energy supply, etc. Boiler operating parameter data include: furnace temperature, smoke temperature, water pressure, steam pressure, water inlet pump flow, burner temperature, air duct data, induced draft fan, e...
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The invention discloses a boiler induced-draft fan blockage early warning method based on a decision-making tree system. The method comprises the following steps of obtaining boiler room environment and boiler operation parameter data A, then, obtaining a boiler induced-draft fan blockage critical value B, and building an induced-draft fan blockage error rate table T; 2, building the decision-making tree system, building a contrast system and performing logic matching on the decision-making tree system and the contrast system; 3, an electronic sensor obtains the real-time boiler induced-draft fan data to be transmitted to the decision-making tree system, and an induced-draft fan blockage high-low value probability P is obtained; 4, if the P is larger than 0.8, the boiler induced-draft fan is blocked, and a central console gives an alarm prompt; 5, a boiler worker performs confirmation after receiving the alarm prompt sent by the central console, and if it is confirmed that the boiler induced-draft fan is not blocked, it illustrates that the decision-making tree system performs error judgment, and the decision-making tree system is corrected. Automatic judgment of boiler induced-draft fan blockage is achieved, and judgment is accurate.
Description
technical field [0001] The invention belongs to the technical field of early warning, in particular to a method for early warning of blockage of a boiler induced draft fan based on a decision tree system. Background technique [0002] At present, the early warning systems of induced draft fan blockage in China are equipped with electronic sensor prompting systems. The principle of the traditional electronic sensor is to detect the high and low values of the induced draft fan blockage, and to feedback the value of each segment to the central control system in time through the electronic sensor perception. Work through the graphic prompts of the central control system to know the high and low values of the blockage of the induced draft fan of the boiler. However, due to the high temperature of the boiler tube and the corrosiveness of the boiler water, it has a certain degree of influence on the electronic sensor, which causes a wrong estimate or a false value on the feedb...
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IPC IPC(8): G06F19/00
CPCG16Z99/00
Inventor 刘海涛
Owner 湖南坤宇网络科技有限公司