Full-automatic condensation point test device and method
A test device, fully automatic technology, applied in the measurement of scattering characteristics, etc., can solve the problems of affecting measurement accuracy and low freezing point measurement results, and achieve the effect of reducing destructiveness
Inactive Publication Date: 2019-08-16
CHINA UNIV OF PETROLEUM (BEIJING)
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[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of 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 belong to the protection scope of the present invention.
[0029] As used herein, "first", "second", ..., etc. do not refer to the meaning of sequence or order, nor are they used to limit the present invention. They are only used to distinguish elements or components described with the same technical terms. operate.
[0030] As used herein, "comprising", "comprising", "having", "comprising" and so on are all open terms, meaning including but not limited to.
[0031]As used herein, "and / or" includes any or all combina...
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The invention provides a full-automatic condensation point test device and method. The full-automatic condensation point test device comprises a temperature control measurement chamber, an integral control unit, a measurement test pipe, a laser detection unit, a power module, a transmission shaft, a laser, a photosensitive resistor and a measurement circuit, wherein the measurement test pipe is used for placing a to-be-measured oil sample, the transmission shaft is fixedly arranged on the power module and rotates with the power module, the power module is in communication connection with the integral control unit, the measurement test pipe and the laser detection unit are fixedly arranged on the transmission shaft respectively by a fixed rotation arm and a measurement rotation arm and rotate with the transmission shaft, the laser is arranged at an upper end of a central shaft of the measurement test pipe and is fixedly arranged on an inner wall of one side, near to the transmission shaft, of the measurement test pipe by the photosensitive resistor, the photosensitive resistor is electrically connected with one end of the measurement circuit, the measurement circuit is arranged in the measurement rotation arm, and the other end of the measurement circuit is electrically connected with the integral control unit. By the full-automatic condensation point test device, the destructiveness to a wax-crystal net structure during the measurement process is greatly reduced, and the beneficial effects of improving the measurement accuracy of an oil sample condensation point and remarkably reducing test time are achieved.
Description
technical field [0001] The invention relates to the technical field of petroleum measurement, in particular to a fully automatic freezing point testing device and method. Background technique [0002] The freezing point of oil refers to the maximum temperature when the sample is cooled to the point where the liquid surface does not flow under specified conditions. In the petroleum and petrochemical industry, the freezing point is an important indicator for evaluating the low-temperature fluidity of oil products. For crude oil, its freezing point is related to the minimum entry temperature allowed by the design and operation of the oil pipeline, which in turn determines the transportation process of crude oil; for lubricating oil and diesel oil and other refined oil, the freezing point determines the ambient temperature in which it can work normally . Since the freezing point is of great significance in the production, transportation and use of oil products, detailed specif...
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Login to View More IPC IPC(8): G01N21/55
CPCG01N21/55
Inventor 刘稳文张劲军
Owner CHINA UNIV OF PETROLEUM (BEIJING)