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Introduction: When it comes to vacuum dryers, everyone may be a little unfamiliar, but everyone in the instant noodles will be familiar with it. Dehydrated vegetables are dehydrated through a vacuum dryer. The vacuum dryer is a device for removing water from the interior of the container after the predetermined degree of vacuum is removed from the interior of the packaging container. It is designed to dry heat-sensitive, easily decomposed and easily oxidized materials, and can be filled with an inert gas, especially some components. Complex items can also be quickly dried. For the vacuum dryer, vacuum debugging is an important test link. The following Xiaobian will tell you about the process.
First, close the door and tighten the door handle in place, close the air release valve, and open the vacuum valve (manual valve must be used during commissioning).
Then confirm that the vacuum connection pipe, vacuum drying box exhaust pipe and vacuum pump are firmly connected. Turn on the vacuum pump power and start pumping. When the indicated value of the vacuum gauge reaches -0.1Mpa, close the vacuum valve and then turn off the vacuum pump power to prevent the working fluid of the vacuum pump from flowing back to the working chamber. At this time, the inside of the box is in a relative vacuum state (in vacuum drying. When the tank is empty and unheated, the longer the vacuum is maintained, the better the seal of the tank and the pipeline, the better the equipment performance. Under normal circumstances, the vacuum is zero for at least ten hours.)
The above is the commissioning process for the vacuum drying machine. If you want to know more about the product, go and consult the specific manufacturers!
Fine Bubble Disc Diffuser
Fine bubble disc diffuser features a unique split pattern and slit shapes, which can disperse air bubbles in an extremely fine and uniform pattern for high oxygen transfer efficiency. A much highly effective and integrated check valve enables the aeration zones to be easily shut down for air-on/air-off applications. It can be operated over a wide range of airflows with minimum maintenance for long term performance.
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YIXING HOLLY TECHNOLOGY CO.,LTD. , https://www.watertreatment-machine.com