Online chemical instrument automatic inspection and calibration system and method
An automatic inspection and calibration system technology, applied in scientific instruments, material inspection products, instruments, etc., can solve the problems of on-site use, high accuracy and reliability, uncertainty and error of inspection results, and heavy manual inspection workload. Achieve the effect of no manual intervention, solving operating costs, and accurate and effective water quality supervision
Pending Publication Date: 2022-07-01
XIAN THERMAL POWER RES INST CO LTD +1
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Problems solved by technology
Although this method can meet the requirement that on-line chemical instrument inspection must be carried out on-line inspection, it needs manual inspection operations on a regular basis and cannot be automated. There are about 50 online chemical instruments in one unit, and the manual inspection workload is huge.
More importantly, when the standard inspection device is used for online comparison inspection, due to the limitation of the technical level and operation proficiency of the on-site maintenance personnel, the inspection results also have uncertain errors
[0007] To sum up, all kinds of standards require on-line chemical instruments to be inspected and calibrated on-line. However, there is no automatic on-line chemical instrument inspection and calibration method and system that is suitable for on-site use, high in accuracy and reliability, and does not require manual intervention. This problem waiting to be solved
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[0026] In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only The embodiments are part of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Furthermore, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts disclosed in the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0027] The accompanying drawings show a schematic structural diagram of an embodimen...
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The invention discloses an on-line chemical instrument automatic inspection and calibration system and method. The system comprises a water inlet pipeline, a standard solution input pipeline, a three-way electromagnetic valve, a detected on-line chemical instrument sensor, a detected on-line chemical instrument transmitter, a control system, a standard meter and an electromagnetic valve. An outlet of the water inlet pipeline is divided into two paths, one path is communicated with a first opening of the three-way electromagnetic valve, the other path is communicated with the standard meter through the electromagnetic valve, the standard solution input pipeline is communicated with a second opening of the three-way electromagnetic valve, and a third opening of the three-way electromagnetic valve is communicated with an inlet of a detected online chemical instrument sensor. The detected on-line chemical instrument sensor is connected with the detected on-line chemical instrument transmitter, the control system is connected with the detected on-line chemical instrument transmitter, the standard meter, the three-way electromagnetic valve and the electromagnetic valve, and the system and the method can accurately and reliably perform on-line verification and calibration on the on-line chemical instrument.
Description
technical field [0001] The invention belongs to the technical field of water vapor quality monitoring in power plants, and relates to an online chemical instrument automatic inspection and calibration system and method. Background technique [0002] Water vapor in power plants is like human blood. Continuous and accurate monitoring of water vapor quality by on-line chemical instruments is the key to effectively controlling water vapor quality in power plants and preventing thermal equipment from corrosion, scaling and salt accumulation. significant impact. In order to ensure the accuracy and reliability of online chemical instrument measurement, regular inspection and calibration are required. [0003] The measurement error of the online chemical instrument is mainly caused by the influence of pure water factors and online factors. These influencing factors only appear when the instrument measures online. When the sensor (or electrode) of the instrument is taken out of the ...
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Login to View More IPC IPC(8): G01N33/18G01N27/06G01N9/00G01R35/00
CPCG01N33/18G01N27/06G01N9/00G01R35/005
Inventor 刘玮孙祥飞潘珺黄茜李晶文俊朋熊卫军张卫东张玉国黄雪亮刘海杰刘继峰姚波汪昆
Owner XIAN THERMAL POWER RES INST CO LTD