Novel fully-automatic condensing point test instrument and test method thereof
A test instrument, fully automatic technology, applied in the direction of instruments, analysis materials, etc., can solve the problems of low efficiency, low manual accuracy, etc., and achieve the effect of improving test accuracy and shortening test time
Pending Publication Date: 2018-01-30
QUANZHOU QUANTONG PHOTOELECTRIC TECH
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[0002] The freezing point is an important quality indicator of petroleum products. Most of the currently used freezing point test instruments are manual, and the freezing point test of the sample requires repeated processes from heating to 50±1°C and then cooling to the expected freezing point. Manual The accuracy is not high and the efficiency is low
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[0024] In order to further understand the structure, features and other purposes of the present invention, the attached preferred embodiments are now described in detail with accompanying drawings as follows. The embodiments described in the accompanying drawings are only used to illustrate the technical solutions of the present invention and are not limiting this invention.
[0025] Such as figure 1 as shown, figure 1 It is a structural schematic diagram of a novel fully automatic freezing point testing instrument of the present invention; the novel fully automatic freezing point testing instrument comprises a test sample cup 1, a test tube 2, a constant temperature bath 3, a light detection device 4, a tilting device 5, and a temperature control system 6. The control system 7 and the cleaning device 8; wherein, the test tube 2 is connected to the test sample cup 1 through an oil-resistant tube, and the oil-resistant tube is provided with a first peristaltic pump 11, and the...
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The invention provides a novel fully-automatic condensing point test instrument and a test method thereof. The novel fully-automatic condensing point test instrument comprises a test pipe, an opticaldetection device, an inclination device and a temperature control device, wherein the light detection device is arranged in a pipe opening of the test pipe so as to form a relatively sealed environment; the test pipe is fixed on the inclination device and is arranged in a constant temperature groove; through the inclination device, the test pipe slowly inclines; meanwhile, the optical detection device detects the liquid level change of a sample to be tested; when the liquid level change of the sample to be tested is detected, the test pipe stops the inclination and recovers the vertical state.The light reflection principle is used for being matched with the micro inclination device to detect the sample; the petroleum product condensing point test can be automatically completed; the test pipe is automatically cleaned and dried. During the testing, the one-time detection success is ensured in the uniform temperature reduction process; the test time is greatly shortened; the test precision is improved.
Description
technical field [0001] The invention relates to a low-temperature freezing point testing instrument, in particular to a novel full-automatic freezing point testing instrument and a testing method thereof. Background technique [0002] The freezing point is an important quality indicator of petroleum products. Most of the currently used freezing point test instruments are manual, and the freezing point test of the sample requires repeated processes from heating to 50±1°C and then cooling to the expected freezing point. Manual The accuracy rate is not high, and the efficiency is low. Contents of the invention [0003] In order to solve the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a novel fully automatic freezing point testing instrument and its testing method, to overcome the defects in the prior art. [0004] In order to achieve the above object, the present invention provides a novel fully automatic freezing point te...
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IPC IPC(8): G01N35/00
Inventor 洪杰星胡雪娥黄金兴苏美燕
Owner QUANZHOU QUANTONG PHOTOELECTRIC TECH