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Spontaneous polarization performance testing device for tourmaline powder materials

A technology of spontaneous polarization and tourmaline powder, applied in measuring devices, measuring electrical variables, instruments, etc., can solve problems such as inaccurate test results, achieve stable and accurate test results, and solve the effect of picking difficulties

Active Publication Date: 2012-08-01
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a test device for the spontaneous polarization performance of tourmaline powder materials. Under the condition of precise constant temperature, the device amplifies the polarized charge collected through the polar plate to obtain the spontaneous polarization of the sample to be tested. Optimized performance parameters overcome the shortcomings of inaccurate test results in the prior art

Method used

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  • Spontaneous polarization performance testing device for tourmaline powder materials
  • Spontaneous polarization performance testing device for tourmaline powder materials
  • Spontaneous polarization performance testing device for tourmaline powder materials

Examples

Experimental program
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Effect test

Embodiment 1

[0027] The cup body 101 of the shielding case, the insulating baffle 102 of the shielding case and the upper cover 103 of the shielding case in the spontaneous polarization performance test device of the tourmaline powder material used above are all made of SUS316 stainless steel, and the cup body 101 of the shielding case is made of SUS316 stainless steel. The inner diameter is 40mm, the wall thickness is 4mm, and the height is 55mm. The material for making the insulating sample cell 2 is glass, the heating element 3 is an armored stainless steel heating wire heating rod with a diameter of 15mm, and the temperature measuring element 6 is Pt100A grade high precision Platinum resistance, temperature measurement and temperature controller 10 is AI518 type, signal detector 11 is DHF-01A type, data processor 12 is 7551G.

[0028] Weigh 25g of 1# tourmaline powder sample produced in Xinjiang with a particle size of 1.65 μm after drying, fill it into the sample pool body 201 through ...

Embodiment 2

[0030] Except that the inner diameter of the cup body 101 of the shielding case in the tourmaline powder material spontaneous polarization performance testing device used is 38mm, the wall thickness is 3mm and the height is 47mm, the material for making the insulating sample cell 2 is quartz glass, and the heating element 3 is except that the armored stainless steel heating wire heating rod that diameter is 13mm, other are all with embodiment 1.

[0031] Use the apparatus of this embodiment to test the 2# tourmaline powder sample produced in Jiangxi Province with a particle size of 1.87 μm after drying. The operation process and parameters are the same as in Example 1, and the tested spontaneous polarization value is -5.474×10 -4 C / m 2 .

Embodiment 3

[0033] Except that the inner diameter of the cup body 101 of the shielding case in the tourmaline powder material spontaneous polarization performance testing device used is 42mm, the wall thickness is 5mm and the height is 62mm, the material for making the insulating sample cell 2 is quartz glass, and the heating element 3 is except that the armored stainless steel electric heating wire heating rod that diameter is 17mm, other are all with embodiment 1.

[0034] Use the apparatus of this embodiment to test the 3# tourmaline powder sample produced in Henan Province with a particle size of 2.05 μm after drying. The operation process and parameters are the same as in Example 1, and the tested spontaneous polarization value is -7.991×10 -4 C / m 2 .

[0035] In the above embodiments, the temperature measuring and temperature controller, signal detector and data processor are all existing products, which are obtained through commercial purchase, and the tourmaline powder samples us...

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Abstract

The invention discloses a spontaneous polarization performance testing device for tourmaline powder materials, and relates to a device for testing the electromagnetic performance of a material. The testing device is mainly composed of a sample chamber, a temperature-measuring temperature controller, a signal detector and a data processor, wherein the sample chamber comprises a shielding shell, an insulation sample cell, a heating element, a signal picking electrode, a signal picking electrode interface and a temperature-measuring element; a temperature-measuring outgoing line is used for connecting the temperature-measuring element and the temperature-measuring temperature controller, and the temperature-measuring temperature controller is connected with the heating element through a heating control line; and an electrode outgoing line is used for connecting the signal picking electrode and the signal detector from the signal picking electrode interface, and the signal detector is connected with the data processor through a wire. in a precision constant temperature condition, the device can carry out charge integral amplification on collected polarization charge by a pole plate so as to the spontaneous polarization performance parameter of a tested sample and the defect of inaccurate test result in the prior art is overcome.

Description

technical field [0001] The technical solution of the invention relates to a testing device for electromagnetic properties of materials, specifically a testing device for spontaneous polarization properties of tourmaline powder materials. Background technique [0002] Tourmaline is a natural ring silicate mineral material mainly containing boron and aluminum, sodium, magnesium, iron and lithium. Due to the permanent spontaneous polarization properties of tourmaline, it has been widely used in many fields such as energy-saving and environmental protection building materials, health care textiles and water treatment, so the test of tourmaline spontaneous polarization properties has important practical value. [0003] In the prior art, the domestic and foreign reports that can be seen for the testing method of tourmaline powder material spontaneous polarization property, the one, Kunte experimental method, this method is to combine sulfur powder and red lead (Pb 3 o 4 ) powder...

Claims

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Application Information

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IPC IPC(8): G01R29/00G01R29/24
Inventor 丁燕梁金生孟军平杨宏伟
Owner HEBEI UNIV OF TECH
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