Ham is a famous specialty product of Zhejiang Jinhua. The anti-gold name Zongze is now the Yiwu of Jinhua, Zhejiang. He once accompanied the pickled pork leg of his hometown to Song Qinzong. The salty pig's leg is of color, smell and taste, because the color is bright red. In the fire, Song Qinzong gave the name "ham", from which ham became a tribute. Ham is the pig's hind legs. Jinhua ham should have been made from Jinhua's hind legs. However, because Jinhua's two oysters are almost extinct, the standard ham should now be the raw salt leg (ie, the salted leg in the cold room). Among the affluent hams are Jinhua, Dongyang, Lanxi, Yiwu, Wuyi, Pujiang and Yongkang, all of which belong to Jinhua and are collectively referred to as Jinhua ham. There was a time when Lanxi was the most, but now it is Dongyang. Ham is graded, divided into special grade, first grade, second grade and third grade. It is people who need to know how to insert a sign to judge the goodness of ham. The sign was made of bamboo, like an awl. A ham has three different parts, each signed in different parts. According to the different locations, it can be divided into three letters: upper, middle, and lower. Special leg requirements: the claws must be bent, the ankles must be thin, and the legs should be full like a leaf. The thickness of the fat must not exceed two centimeters. The three signatures must have good aromas. The requirements of the first leg: The two signatures in the three signatures must have good aromas, but any one of the three signatures must not have any odor. Second leg requirements: No odor. The requirements of the three-legged leg: One sign has a odor. Special ham and a ham set red circle, two ham set yellow circle, three ham is not ring. All three kinds of ham have a seal stamped with gallons of Chinese herbal medicine. However, some hams are sub-filled, so when buying ham, it is better to go to a regular place, such as a famous supermarket. Cook ham three do not: 1. Do not use harsh condiments. This is because the ham smell is thick and fragrant, and it is very mellow. If it is prepared with spicy oil, curry, etc., it will mask the flavor of ham and make it lose its flavor. 2, do not dry fried. Because of the dry frying, the umami taste of ham is not easy to play. In addition, the ham originally has a small amount of moisture, and if it is dried and fried again, the texture will become more and more hard and make the food taste bad. 3, do not use sauce or soy sauce. Otherwise, it will change the original flavor of ham, so that it will not have aroma or umami taste. The more flavor, the darker the color will be.
ETR Oxygen Cylinder Filling System
By PSA principles, ETR PSA oxygen generators generate 93%±2% purity oxygen gas directly from compressed air. ETR oxygen cylinder
filling plant is consisted of Atlas Copco air compressor, Parker dryer and
filters, air buffer tank, ETR Psa Oxygen Generator, oxygen buffer tank,
oxygen receiver tank, diaphragm oxygen booster, filling station and control
cabinet.
Compressed air is purified through the air dryer and
filters to a certain level for main generator to work with. Air buffer is
incorporated for smooth supply of compressed air thus to reduce fluctuation of
compressed air source. The generator produces oxygen with PSA (pressure swing
adsorption) technology, which is a time proven oxygen generation method. Oxygen
of desired purity at 93%±2% is delivered to oxygen buffer tank for smooth supply
of product gas. Oxygen in buffer tank is maintained at 4bar pressure, then
reach to 150bar to filling cylinders with an oxygen booster.
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