Method for rapidly measuring density of solid insusceptible to absorbing water
A solid and density technology, which is applied in the direction of material analysis by measuring buoyancy, can solve the problems of density measurement and cumbersome calculation, and achieve the effect of reducing readings and reasonable operation process
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Embodiment 1
[0020] The copper-constantan thermocouple is used to connect with the data acquisition system, and the temperature signal is converted into an electrical signal and input to the computer. Data acquisition and density calculation are completed on the single-chip computer in the electronic balance; the density calculation software realizes the function ρ of the density of water changing with temperature 0 =0.999972×{1-[(T-3.9846) 2 / 510113.5][(T+289.7991) / (T+68.11615)]} and the calculation formula of solid density ρ=ρ 0 ×M / (M 2 -M 1 ) calculation, pre-written in the microcontroller in the form of a program.
[0021] Measures the density of a tin bronze. Since its density is known to be greater than that of deionized water, stainless steel filaments with a diameter of 0.2mm are directly used to make a mesh bag. The mesh bag is convenient for the object to be tested, and its height is adjustable. When measuring, turn on the machine and set it to zero, and press the density me...
Embodiment 2
[0023] The copper-constantan thermocouple is used to connect with the data acquisition system, and the temperature signal is converted into an electrical signal and input to the computer. Data acquisition and density calculation are completed on the single-chip computer in the electronic balance; the density calculation software realizes the function ρ of the density of water changing with temperature 0 =0.999972×{1-[(T-3.9846) 2 / 510113.5][(T+289.7991) / (T+68.11615)]} and the calculation formula of solid density ρ=ρ 0 ×M / (M 2 -M 1 ) calculation, pre-written in the microcontroller in the form of a program.
[0024] Measure the density of an ore. It is estimated that the density of the ore is greater than that of deionized water, so the stainless steel wire with a diameter of 0.5mm is directly used to make a mesh bag. The mesh bag is convenient for the object to be tested, and the height is adjustable. When measuring, turn on the machine and set to zero, and press the densi...
Embodiment 3
[0026] The copper-constantan thermocouple is used to connect with the data acquisition system, and the temperature signal of the deionized water is converted into an electrical signal and input to the computer. The quality data collection is completed by the electronic balance and transmitted to the microcomputer through the data port; the density calculation is completed on the microcomputer, and the density calculation software realizes the function ρ of the water density changing with the temperature 0 =0.999972×{1-[(T-3.9846) 2 / 510113.5][(T+289.7991) / (T+68.11615)]} and the calculation formula of solid density ρ=ρ 0 ×M / (M 2 -M 1 ) is pre-written into the microcomputer in the form of a program.
[0027] Measure the density of a polypropylene. Since its density is known to be greater than that of deionized water, molybdenum wire with a diameter of 0.05mm is used to make a mesh bag and 50g of small lead weights are hung under the mesh bag. The mesh bag is convenient for t...
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