Method and device for rapid determining metal content in ore powder
A rapid measurement and mineral powder technology, applied in the fields of material magnetic variables, special data processing applications, instruments, etc., can solve the problems of high requirements for operating skills, inaccurate measurement results, and difficulty in being representative, so as to improve the detection speed and increase the Detect sample points and improve the effect of input-output ratio
Inactive Publication Date: 2008-10-22
林俊明
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Problems solved by technology
In the prior art, traditional physical and chemical testing methods are still used to measure ore powder. For example, shaking the bottle test is one of them. This low-level test method not only has a large workload, but also has a long test cycle and low accuracy; As a high-level electronic instrument detection method, although the precision is high and the speed is fast, the instruments used are all imported from abroad. First, they are expensive, and second, they require high operating skills, which greatly increases the application cost; On the one hand, these existing measurement methods all need to collect and send samples. Not only is it time-consuming and labor-intensive to collect and send samples, but more importantly, the selected samples are limited to a small part, which is difficult to be representative and easily leads to inconsistencies in the measurement results. Inaccurate
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[0026]Referring to the accompanying drawings, a kind of detection device of the present invention that can quickly measure metal content in mineral powder includes a signal generator 11, a coil 12 of a detection probe, a preamplifier phase-sensitive detection circuit 13, a balanced filter circuit 14, Digital phase rotation circuit 15, adjustable gain amplifier 16, analog / digital conversion circuit 17, computer system 2, keyboard 21, display 22, loudspeaker 23, alarm unit 24; signal generator 11 is controlled by CPU with quartz crystal stability The variable frequency waveform generator constitutes; the detection probe 3 includes a stainless steel tube jacket 31 and a handle 32, the front end of the stainless steel tube jacket 31 is provided with a tapered head 311, the rear end of the stainless steel tube jacket 31 is socketed with the handle 32, and the stainless steel tube jacket 31 is connected to the handle 32. The coil 12 of the detection probe is housed in the front end c...
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Present invention discloses a fast determining powdered ore metals content method and device utilizing vortices detection technique, capable of realizing continuously detection. It contains signal generator, detection probe, preamplification phase sensitivity rectification circuit, equalization filter circuit, numeralization phase rotation circuit, adjustable gain amplifier, a / d circuit, computer system, keyboard, and display, wherein signal generator being variable frequency curve generator curve generator, detection probe set with magnetic test coil, probe end set as taper, probe set with sampling switch and marking. Said invention has simple and visual test procedure, low facility cost, convenient carrying, detection speed, and accurate determining result etc properties.
Description
technical field [0001] The invention relates to a detection method and a device, in particular to a method and a device for rapidly measuring the metal content in mineral powder. Background technique [0002] Detecting the iron content in iron ore powder is an important part of many testing procedures in iron and steel enterprises. Iron and steel enterprises can obtain steel products through smelting iron ore, and the iron content in iron ore is directly related to the steel output after smelting and the energy consumption in the smelting process. If the iron content in the rich iron ore is high, the steel output after smelting will be large; when the iron ore raw material is obtained from lean iron ore, the iron content in the lean iron ore is low, and the steel output after smelting will be small; Since the iron ore raw materials selected by iron and steel enterprises generally come from many different places, their iron content is uneven. Of course, it is not ruled out ...
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IPC IPC(8): G01N27/72G06F19/00
Inventor 林俊明
Owner 林俊明