Temperature measuring device and temperature measuring method for measuring temperature of molten metal
A technology for temperature measurement and molten metal, applied in the field of temperature measurement, it can solve the problems of uncertainty in the measurement results of the surface emissivity of the thermally conductive block, slow temperature measurement response speed, and temperature measurement response lag, etc., to achieve fast heat transfer and stable black body space. The effect of cavity radiation
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no. 1 example
[0068] image 3 and Figure 4 The structure of the temperature measuring device of the first embodiment of the present invention is shown. The temperature measuring device can be used for continuous and rapid measurement of the temperature of molten steel in the tundish.
[0069] like image 3 and Figure 4 As shown, the temperature measuring device includes a measuring body, an infrared temperature measuring probe 6 and a signal processor 7 .
[0070] The measuring body includes a cermet tube 1 as a temperature sensing element, a support tube 2, a connecting tube 4 and an exhaust structure. The exhaust structure includes an exhaust pipe 3 and an exhaust hole 5 .
[0071] The top end of the cermet tube 1 is an open end, and the bottom end is a closed end. The interior of the cermet tube 1 has a cavity. The open end of the cermet tube 1 is connected to the bottom end of the support tube 2 . When the cermet tube 1 extends into the molten metal, it can sense the temperatu...
no. 2 example
[0102] Figure 5 It is a structural schematic diagram of the measuring body of the temperature measuring device for measuring the temperature of molten metal according to the second embodiment of the present invention. Figure 6 for Figure 5 Schematic diagram of the structure of the exhaust hole of the temperature measuring device shown.
[0103] like Figure 5 and Figure 6 As shown, the difference between this embodiment and the first embodiment is that the exhaust hole 5 is composed of two exhaust grooves on the inner wall of the support pipe 2 along the axial direction and the outer wall of the connecting pipe 4 . There are 2 exhaust slots. In addition, the top end of the support pipe 2 is connected to the connecting pipe 4 through taper fit and pin positioning.
[0104] For the parts not described in the second embodiment, reference may be made to the relevant content of the remaining embodiments.
no. 3 example
[0106] Figure 7 It is a schematic structural diagram of the exhaust hole of the measuring body of the temperature measuring device for measuring the temperature of molten metal according to the third embodiment of the present invention.
[0107] like Figure 7 As shown, the difference between the third embodiment and the first embodiment is that the exhaust hole 5 is composed of two exhaust grooves on the outer wall of the connecting pipe 4 along the axial direction and the inner wall of the supporting pipe 2 . There are 2 exhaust slots.
[0108] For the parts not described in the third embodiment, reference may be made to the relevant content of the remaining embodiments.
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Abstract
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