Cake display cabinet needs attention
First, the cake display cabinet introduction
The cake cabinet has a variety of preservation, refrigeration, display, and other purposes. The overall structure of the cake cabinet is also made of detachable and installable parts, all of which are made of tempered glass, thus ensuring the effect of the display and ensuring that the glass is broken. It will not hurt people. It does not use any glue materials. A screwdriver can complete the disassembly and assembly of the entire showcase. Easy to disassemble, transport, move, push and pull, etc.
The square display cabinet is generally made of four-sided transparent glass, which is suitable for displaying small items such as cakes, vegetables, beverages, beer, etc. It can also be used to display gifts, handicrafts, electronic products, edible articles, tobacco and other large items. .
Second, the cake display cabinet attention point
1. Cake display cabinet cleaning: The tubes we use will inevitably leave a small amount of metal scraps and dust during the process of cutting and cutting. The tubes will be placed in the air and will be filled with water. Some evaporators and condensers are in the factory. There will be a small amount of residue after the vinyl chloride has been rinsed, so in order to avoid burning the compressor, it is necessary to remove all the dirt in all components of the system before the new compressor is used.
2. Install the compressor foot. Screw the bolt into the washer with the appropriate torque. The head of the bolt should be on the sleeve instead of the shock absorbing rubber eyelet. In order to prevent leakage caused by vibration, the return pipe and the exhaust pipe should be suitably made into a ring-shaped shock absorber, and the compressor should not be rigidly fixed in any way.
3. In order to avoid the oxidation of copper oxide inside the copper tube, we must thoroughly clean all the heads to be welded and remove the grease before welding with oxyacetylene. Then, when welding the copper joints, fill the tubes with an appropriate amount of low-pressure nitrogen and The flux used helps weld.
4. Vacuuming can remove water from the system and reach a vacuum level of 200 microns. Vacuum should be drawn from both the high and low ends of the system. The cake display cabinet is good to use a special electronic vacuum gauge to detect the vacuum. Do not use a conventional pressure gauge and pump it to 0.7 mbar. It is strictly forbidden to use the compressor itself to evacuate, or to use a fully enclosed compressor to evacuate, because it is not suitable for vacuuming, and it can not achieve the required vacuum. It is absolutely not allowed to start the compressor, dielectric strength and high pressure test in vacuum.
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