Boiler feedwater sequential control logic optimization system and control method
A logic optimization and boiler technology, which is applied in the control/regulation system, liquid level control, non-electric variable control, etc., can solve the problem that the measurement value jump of the liquid level information is not easy to eliminate, etc., and achieve easy to check on-site management and remote monitoring Good management, good reliability, not easy to jump effect
Pending Publication Date: 2019-05-24
CHINA ENERGY ENG EASTERN ELECTRIC POWER TESTING RES INST CO LTD
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Problems solved by technology
[0003] The present invention aims to solve the problem that the measurement value jump of the liquid level information collected by the body of the boiler feed water level gauge is not easy to eliminate, and provides a method for measuring the value of the liquid level information collected by the body of the boiler feed water level gauge. When a jump occurs, the more realistic water level information in the current boiler can be obtained by viewing the current water level scale information on the liquid level display tube when the water level plane at the three points in the boiler reaches the same height. It is easy to check on-site management and Remote monitoring and management, boiler feed water sequential control logic optimization system and control method with good reliability
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Embodiment
[0039]Embodiment: Boiler feed water sequential control logic optimization system, see Figure 1-Figure 8 As shown, the boiler level gauge body 23 is included, and the boiler level gauge body includes a liquid level display tube 1 equipped with a lifting liquid 21, and a water level line scale is provided on the liquid level display tube; it also includes a water supply tank 31, a controller, Water supply pipe 32, electromagnetic valve 33 arranged on the water supply pipe, shading cover 15 and three light guide columns; there are three boiler liquid level gauge bodies;
[0040] The shading cover is tightly and fixedly connected to the three display tubes through the three bottom cover holes on the lower bottom surface; each liquid level display tube is provided with a lumen connected to the corresponding liquid level display tube on the upper surface. The vertical holes of each liquid level display tube are respectively sealed and fixedly connected with vertical tubes 4, and a ...
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The invention discloses a boiler feedwater sequential control logic optimization system and a control method and belongs to the technical field of removal of measured value jumping of boiler feedwaterlevel meters. By the system, the measured value about water level acquired by the boiler feedwater level meter bodies is not easy to jump, and currently actual water level information of the boiler is acquired according to information of the water line scales where lifting water in water level display tubes reaches and is checked when water levels of three points in the boiler are at the equal altitude. The system comprises three boiler water level meter bodies, and further comprises a light shield and three light guide posts; the boiler water level meter body comprises the water level display tubes containing the lifting water; the water level display tubes are provided with water line scales; the light shield is hermetically closely fixedly connected to three water level display tubes through three shield bottom holes at the bottom surface of the light shield.
Description
technical field [0001] The invention relates to the technical field of eliminating jumps in measurement values of boiler feed water level gauges, and in particular to a sequential control logic optimization system and control method for boiler feed water. Background technique [0002] The current boiler feed water level gauge measurement value jumps because there is only one boiler liquid level detection terminal on the boiler level gauge body in the boiler, and there is only one collected liquid level point, so the collected liquid level information cannot be analyzed. Further measurement value jump elimination processing. Contents of the invention [0003] The present invention aims to solve the problem that the measurement value jump of the liquid level information collected by the body of the boiler feed water level gauge is not easy to eliminate, and provides a method for measuring the value of the liquid level information collected by the body of the boiler feed wa...
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Inventor 王涛何文丽林晓斌熊文超叶飞
Owner CHINA ENERGY ENG EASTERN ELECTRIC POWER TESTING RES INST CO LTD
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