Interface measuring device and method
A technology of measuring device and interface, applied in measuring device, lubrication indicating device, liquid/fluid solid measurement, etc., can solve the problems of difficult, inaccurate, and inaccurate measurement, and achieve the effect of fast measurement method and simple structure
Inactive Publication Date: 2013-03-13
鞍钢集团工程技术有限公司
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Problems solved by technology
[0002] At present, there are mainly several methods such as differential pressure method, ultrasonic method, radar method and guided wave radar in the liquid level measurement method, but for interface measurement (two kinds of media) and the case of foam or other impurities on the liquid surface, The measurement becomes extremely difficult, and the measurement is inaccurate, or even impossible to measure
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[0015] The present invention will be described in detail below in conjunction with the accompanying drawings, but it should be pointed out that the implementation of the present invention is not limited to the following embodiments.
[0016] See figure 1 , an interface measurement device, comprising a diaphragm 2, a probe 3, and the diaphragm 2 is slidingly connected to the probe 3; the density of the diaphragm 2 is smaller than that of the measured medium below, and higher than that of the measured medium above High density.
[0017] The method for measuring an interface by using an interface measuring device comprises the following steps:
[0018] 1) Measure the density of the two liquids at the interface to be tested;
[0019] 2) To make diaphragm 2, use a material whose density is lower than that of the liquid below and greater than that of the liquid above, and make a diaphragm 2 with an outer diameter of 80-110 mm, an inner diameter larger than the diameter of the guid...
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Abstract
The invention relates to an interface measuring device, which comprises a membrane and a wave guide rod, wherein the membrane is slidably connected with the wave guide rod; and the density of the membrane is less than the density of a lower measured medium and is greater than the density of an upper measured medium. The use of the device comprises the following steps of: (1) penetrating the membrane into the radar wave guide rod, freely sliding on the wave guide rod, and meanwhile arranging a limiting device at the bottommost end of the wave guide rod, thereby preventing the membrane from being separated from the wave guide rod during sliding; and (2) inserting the interface measuring device into a container in which the measured medium is loaded, floating the membrane on an interface of the upper medium and the lower medium, and adjusting radar reflection wave to produce reflection on the membrane so as to obtain interface liquid level. The interface measuring device has the advantages of simple structure, quick, simple, convenient and reliable measuring method and capabilities of accurately measuring the interface liquid level and simultaneously measuring the heights of the two mediums, particularly measuring the liquid level with foam.
Description
technical field [0001] The invention relates to the field of industrial instrument measurement, in particular to an interface measurement device and method. Background technique [0002] At present, there are mainly several methods such as differential pressure method, ultrasonic method, radar method and guided wave radar in the liquid level measurement method, but for the interface measurement (two kinds of media) and the case of foam or other impurities on the liquid surface, The measurement becomes extremely difficult, and the measurement is inaccurate, or even impossible to measure. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide an interface measuring device and method, which can accurately measure the liquid level of the medium and measure the liquid level with foam. [0004] To achieve the above object, the present invention is achieved through the following technical solut...
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Inventor 张英飞杨晓东樊江波周晓东李苏宁
Owner 鞍钢集团工程技术有限公司