Rice is a
finished product made after the process of rice cleaning, glutinous
rice, rice milling, and finished product finishing. The
embryo and aleurone layer of rice contain nearly 64% of rice nutrients
and more than 90% of the nutrients required by the human body. It is the
main food of the people of the South. Rice Long Grain Rice,Basmati Rice,Glutinous Fragrant Rice,Long Grain Basmati Rice Ningxia Saiwaixiang Food Co., Ltd. , https://www.nxswxfood.com
First, the adapter type plug adapter type plug commonly used for low pressure through the pipe, the sealing performance is good or bad depends entirely on the goodness of fit between the plug and the plug body, which is pressed against the sealing surface of the lower portion of the tightening nut rely achieved. Generally used for PN ≤ 0.6 Mpa.
Second, the stuffing plug valve . Filler plug valve plug and the plug is achieved by the compression packing seal body. The sealing performance is good due to the filler. Typically, such plug valves have a packing gland that does not need to extend out of the valve body, thereby reducing the leakage path of a working medium. This type of plug valve is used in large quantities for pressures of PN ≤ 1Mpa.
Third, self-sealing plug valve Self-sealing plug valve is through the pressure of the medium itself to achieve a tight seal between the plug and the plug body. The small head of the plug protrudes upwards, and the medium enters the large head of the plug through the small hole at the inlet, and the plug is pressed upward. This structure is generally used for the air medium.
Fourth, in recent years, oil-sealed stopcock stopcock expanding range of applications, there have been oil-sealed plug valves with forced lubrication. Due to forced lubrication, an oil film is formed between the plug and the sealing surface of the plug body. The sealing performance is better, the opening and closing is labor-saving, and the sealing surface is prevented from being damaged.
The carbohydrate in rice is mainly starch, and the edible rice has higher nutritional value.
Storage taboo
Rice
should not be stored at the same time as foods with high moisture such
as fish, meat, vegetables, etc., otherwise it will easily cause water to
cause mildew; rice should not be stored directly on the ground, and
should be placed on a dry, ventilated and clean pad; indoors should be
stored with high moisture content. Otherwise, it
is easy to absorb water and cause mildew; the family avoids rice stored
in the kitchen because the kitchen has high temperature and high
humidity, which has a great influence on the quality of rice.
Introduction and classification of plug valves
A plug valve is a valve in which a closing member (plug) is rotated about a center line of a valve body to open and close. The plug valve is primarily used in the pipeline to cut, distribute and change the direction of flow of the medium. The plug valve is a valve that has been used by people in history. Due to its simple structure, the opening and closing is rapid (the opening and closing action can be completed by a quarter turn of the plug), the operation is convenient, the fluid resistance is small, and it is still widely used. Currently mainly used for low pressure, small caliber and medium temperature is not high. The plug and plug body of the plug valve are a well-fitted cone with a taper of 1:6 and 1:7.