Volatile acid flushing detection system in phosphate fire-resistant oil oxidation stability test process
A technology of oxidation stability and detection system, applied in the field of chemical analysis, can solve the problems of poor washing confirmation accuracy, inaccurate results, time-consuming and labor-intensive, etc., to save time, improve efficiency, and save labor.
Pending Publication Date: 2021-12-28
XIAN THERMAL POWER RES INST CO LTD
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Problems solved by technology
[0004] At present, in the rapid supervision process of the anti-oxidation stability of fuel oil by this method, the flushing and detection of volatile acids are completely manual, which is time-consuming and laborious, and the accuracy of flushing confirmation is poor. In addition, the detection results are easily affected by the environment and the results are inaccurate.
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[0021] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only The embodiments are a part of the present invention, not all embodiments, and are not intended to limit the scope of the present invention. Also, 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 making creative efforts shall fall within the protection scope of the present invention.
[0022] The schematic diagrams of the structures according to the disclosed embodiments of th...
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The invention discloses a volatile acid flushing detection system in a phosphate fire-resistant oil oxidation stability test process. The volatile acid flushing detection system comprises an oxygen bomb body, an oxygen pressure container, a volatile acid absorption device, a one-way ventilation membrane, a pH sensor and an automatic flushing detection system; the inlet of the oxygen bomb body is connected with the outlet of the gas inlet pipeline, and an inlet of the gas inlet pipeline is communicated with the oxygen pressure container; the outlet of the oxygen bomb body is connected with the inlet of an exhaust pipeline, the outlet of the exhaust pipeline is connected with the volatile acid absorption device, and the test end of the pH sensor is inserted into the volatile acid absorption device; and the automatic flushing detection system is connected with the pH sensor. According to the system, the automation of volatile acid detection in the oxidation stability test process can be realized, and the purposes of saving time, improving efficiency and saving labor are achieved.
Description
technical field [0001] The invention belongs to the field of chemical analysis, and relates to a volatile acid flushing detection system in the process of testing the oxidation stability of phosphate ester anti-fuel oil. Background technique [0002] The spontaneous ignition point of phosphate ester fuel oil is as high as 530°C, which provides a guarantee for the fire safety of the generator set, so it is widely used in the speed control system of steam turbines and gas turbines. [0003] The chemical composition of the anti-fuel oil is triaryl phosphate, which is prone to oxidation reaction and deterioration during use. The deteriorated anti-fuel oil will cause corrosion of various parts of the steam turbine speed control system, resulting in increased leakage of the oil pump, leakage or jamming of the servo valve. The products of anti-fuel oxidation are aldehydes and organic acids. The existence of these products will further accelerate the deterioration of oil products, i...
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IPC IPC(8): G01N33/28G01N1/34G01N1/40
CPCG01N33/2805G01N1/34G01N1/405
Inventor 冯丽苹严涛王娟尹文波
Owner XIAN THERMAL POWER RES INST CO LTD