The China National Development and Investment Corporation successfully completed the 1.2 million tons of potash fertilizer project developed in Lop Nur in Xinjiang and successfully passed the acceptance check. The completion of the project will ease the contradiction of shortage of potash fertilizer in China, increase the supply of domestic potash fertilizer market and stabilize prices.
According to the National Development and Investment Corporation, Xinjiang Lop Nur Potash Company (abbreviated as Guotou Luo Ka), this project is the first phase of the company's annual output of 3 million tons of potash fertilizer project. The second phase of the project has entered the construction phase, including an annual output of 100,000 tons of potassium sulfate magnesium fertilizer plant, an annual output of 600,000 tons of potassium sulfate plant and an annual output of 1 million tons of potassium sulfate magnesium fertilizer plant. The total production capacity of the company is expected to reach 3 million tons in 2015. There are 5,000 employees.
The enrichment of potash resources in Lop Nor area in Ruoqiang County, Xinjiang is a key area for China to identify the concentrated distribution of potash mineral resources. The accumulated proven resources are about 120 million tons, and about 36 million tons can be mined and utilized. Lop Nur Salt Lake is 115 kilometers north, 90 kilometers east-west, and an area of ​​10,350 square kilometers. It is one of the largest dry salt lakes in the world.
With the investment of 1.2 trillion tons of Potassium Fertilizers from Guotou Petrochemical Co., Ltd., the 100 million-ton potassium salt resource base in Luobupo quickly transformed into production capacity, which greatly increased the self-sufficiency rate of potassium salt in China, and changed the former potassium salt production pattern in Chailhan Salt Lake in Qinghai Province.
As the most populous agricultural country in the world, potash is of vital importance to China, because all compound fertilizers are inseparable from potash fertilizer. At present, China's shortage of potassium arable land exceeds half of the total cultivated land. Recently, the global mining giant has accelerated the pace of monopoly of potash minerals in the world, which has aroused widespread concern at home and abroad on China’s agricultural prospects.
Solenoid Armature makes an very important role in complete Solenoid Valve compared to other solenoid valve parts, so the quality of the armature directly related to the life of complete solenoid valve. Hereby, let me introduce how we control armature quality from character of raw material and how we produce during production.
We also called solenoid armature as solenoid valve armature, solenoid valve stem, solenoid valve core, solenoid Plunger Tube Assembly, solenoid armature tube assembly, Solenoid Armature Assembly, Electromagnetic Valve armature, etc, but all in all, the solenoid armature looks like an opener and closer even like a head in the solenoid valve.
The armature can be divided into four parts roughly, they are fixed core(who with or without shading ring depending on DC or AC voltage type), plunger tube and tube base(has option of stainless steel and brass), mobile plunger(installed with inner and outer spring, top and bottom seal).
The fixed core and movable plunger are made of high magnetic stainless iron, such as 430FR, has good performance of attraction and rust-proof. During production, we doing inspection after each procedure.
The plunger tube is made of H62 brass or seamless 304 stainless steel, the wall thickness from 0.20mm to 2.5mm available. All raw material is inspected before put them into our warehouse.
The plunger tube base is made of H59 brass or 304 stainless steel, with high performance, also we inspected each lot before put them in warehouse.
According to application requirement, choose suitable welding to connect each part, such as laser soldering, argon-arc welding, silver soldering.
The seal can be NBR, Viton, EPDM, Silicon, Teflon, etc. All can be customized as your requirement.
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