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Teach you how to use the tube furnace correctly

Updated: 2019-10-18 11:16:03 Hits: 299
The tube furnace is also a type of experimental electric furnace. It uses intermittent manual loading and unloading for loading and unloading. When loading the material, place the material box on the material bowl support, open and take out the sealed end cover of one end of the furnace tube, put it into the material box support with the material box, then install the sealed end cover on the furnace tube flange and tighten the clamp bolt. Then, the process atmosphere is passed in until the oxygen content in the furnace tube reaches the process requirements and the temperature is sintered. After the product sintering process is completed, a small amount of process atmosphere should be introduced and the temperature should be reduced until the furnace temperature is lower than the process requirements, and then the sealed end cover of the furnace tube can be opened to take out the product.

The above content is the simple operation of the tube furnace. So how to operate the tube furnace correctly? And look at the following:

1. The thermal conductivity of the sample installation and support frame should be low to ensure that the test sample and the installation and support frame are in an insulated state.

2. After the temperature test equipment finishes the test, quickly removing the test sample will cause unnecessary stress on the sample and may obtain unexpected results. Therefore, the tube furnace must be cooled to ambient temperature before the sample can be taken out.

3. Check the test area for volatile substances such as oil and gas, and check for odorous substances. The test results of such substances must be confirmed in advance.

4. Pay attention to confirm the temperature condition of the test sample in the test area.

5. In order to keep the temperature in the temperature zone consistent, it is necessary to ensure that the test environment temperature and equipment power supply fluctuations are as small as possible, to ensure that the test sample does not generate heat radiation and does not absorb heat, thereby ensuring that the temperature in the test zone is stable.

6, often check the gas nozzle for flame unevenness or blockage. And observe the height, color and combustion of the flame, the flame height does not exceed 1/3 of the height of the radiation segment.

7. Observe whether the oil and gas pipelines in the convection section and radiation section of the furnace have burnt red cracks or deformation. If there is any damage to the insulation layer in the furnace, deal with it if there is any abnormality.

8. Check whether there is water accumulation in the gas pipeline. If there is water accumulation, it should be disposed of in time.

9. Check the liquid level of the gas water seal and keep its full-flow drain pipe unblocked.

The above content is to teach new users how to operate the tube furnace correctly. Operators must keep the above in mind to avoid safety accidents during use.
(Edit: admin)
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