Share with you how to use the tubular furnace correctly

Today, Nuotai technology will share with you how to correctly use the tubular furnace:
Tubular furnace is also a kind of experimental electric furnace. Its loading and unloading adopts intermittent manual loading and unloading. When loading, place the material box on the material basin support, open and take out the sealing end cover at one end of the furnace tube, put in the material box support with the material box, and then install the sealing end cover on the furnace tube flange and tighten the clamp bolts. Then, the process atmosphere is introduced until the oxygen content in the furnace tube reaches the process requirements, and the heating and sintering are stopped. After the completion of the product sintering process, continue to pass a small amount of process atmosphere and stop cooling until the temperature in the furnace is lower than the process requirements, and then open the sealing end cover of the furnace tube to take out the product.

The above content is the simple operation of the tubular furnace, so how to operate the tubular furnace correctly? Let's look at the following: the thermal conductivity of the device and support frame of the sample should be low to ensure that the experimental sample is in an adiabatic state with the device and support frame. After the temperature experimental equipment is tested, quickly removing the experimental sample will produce unnecessary stress on the sample, and may get unexpected results. Therefore, the tube furnace must take out the samples after the experimental samples are cooled to the ambient temperature. Check whether there are volatile substances such as oil and gas in the experimental area and whether there are odorous substances. The experimental results of such substances must be stopped in advance.
The tubular furnace needs to pay attention to confirm the temperature of the experimental samples in the experimental area. In order to adhere to the temperature difference in the temperature zone, it is necessary to ensure that the experimental ambient temperature and the power supply of the equipment shake as little as possible, so as to ensure that the experimental samples do not generate heat radiation and absorb heat, so as to ensure that the temperature in the Experimental Zone is stable. Always check whether the gas nozzle has uneven flame or blockage. Observe the height, color and extinction of the flame, and the flame height shall not exceed 1/3 of the height of the radiation section Check whether the oil and gas pipelines in the convection section and radiation section in the furnace have red burning, cracking or deformation. Check whether the insulation layer in the furnace is damaged, and handle it in time if it is abnormal. Check whether there is water in the gas pipeline. If there is water, dispose it in time. Check the liquid level of gas water seal and ensure that its full flow liquid return pipe is unblocked.
The above content is to teach new users to operate the tubular furnace correctly. Operators must keep the above content in mind to prevent safety accidents in use.

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