O truque inteligente de harvest right que ninguém é Discutindo
O truque inteligente de harvest right que ninguém é Discutindo
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I would prefer those fittings to have internal Este rings and knurled thread on ports (similar to R134a vacuum gauge sets) that do not require high torque compression fittings. Finger tight and you are good to go. You spot a leak, change the Este ring and you're back in business.
Be aware that it is very important to drink liquids when eating freeze dried foods that haven’t been reconstituted.
I thought an easier way to see what was happening would be to make a time lapse video of an entire freeze drying cycle. As I was about to prepare some apples for freeze drying yesterday, I thought it would be a good time to do that -- so out came the GoPro.
What type of oil does the vacuum pump use? Harvest Right freeze dryers use food-grade vacuum pump oil, which is available for purchase. One gallon typically lasts several months with proper filtering and maintenance.
Obviously things like ice cream and marshmallows you would want to let the freeze cycle run longer. When I'm ready to start the drying cycle, I open the door, remove the insulator, and check the temperature of the food on the trays with an infrared thermometer. As long as it's below -10F I start the dry cycle. A side note for TonyC, have you ever thought about attaching a mirror to each side of the tray rack to reflect the radiant heat back in to the trays? I've looked at some mirror finish stainless on ebay, and it looks like you could do it for about $40. Not sure if it's worth a try or not. I would think it would let you get more water out in a cycle because the radiant heat wouldn't be warming the ice on the chamber walls. Just a thought.... Edited December 16, 2015 by Pipsqueak duplicate post (log)
If you or a family member has Celiac Disease, Know More you know it’s not easy to come up with a last-minute meal. My freeze dryer has made this so much easier!
The differing vacuum levels during the system tests would be consistent with either a door seal leak or an drain valve leak.
The process involves freezing the food and then reducing the surrounding pressure to allow the frozen water in the food to sublimate directly into vapor. This method is particularly effective for fruits, vegetables, meats, and even complete meals.
In addition, the casing stayed in a Secure managing temperature during our lab examination, even on the best placing.
12 Posted September 16, 2015 You've given me an idea. I have the parts at the shop to use an actual filter head and a spin on filter. I could have a bracket laser cut and powder-coated that would hold the filter/head assembly horizontal which would allow it to completely drain and the outside of the filter would stay clean.
Unlike other conventional methods of drying, the original structure of the food is preserved with freeze-drying which ensures better quality for the consumers.
Run full system test with no food in chamber (results, 630 mTorr lowest steady reading - looking through the oil level window, some bubbling seen in oil even after an hour of pumpdown - some "air" noises from pump)
For me, a prepper, a freeze dryer is cem% worth it because I can freeze dry whatever I want/need to fill my pantry with food that will nourish our family for years, pelo matter what might come our way.
The process consists of stages: primary drying, where most of the water is Buy Now removed, and secondary drying, which removes unfrozen water molecules to preserve the product.