In recent years, Xilinhot City has actively responded to the national requirements for energy-saving emission reduction and cleaner production, relied on abundant coal resources, vigorously promoted lignite deep processing projects, and continuously improved the quality and comprehensive development and utilization of lignite. 1. The total investment is 720 million yuan. The first phase of the National Energy Lignite Drying Project, which handles 7.5 million tons of lignite, is put into operation in June this year. During the year, it produced 110,000 tons of thermal coal and 0.7 million tons of coal tar, and realized a production value of 50 million yuan. In 2010, 10 new lignite upgrading furnaces are planned to be built, and an investment of 300 million yuan will be completed during the year. The project adopts deep processing of lignite to remove the moisture from the coal and burn the gas produced during the process of retorting to provide the heat required for drying and carbonization to achieve resource recycling. 2. The total investment is 370 million yuan, and the first phase of the Mengyuan brown coal modification and upgrading project for the processing of 3 million tons of lignite is planned. The commissioning and commissioning of the equipment will be completed in late June of this year. The annual production of modified coal will be 100,000 tons and the output value will be 3,800. Ten thousand yuan. The project uses a modern, automated production method to heat-process lignite, increase heat output, and solve the problems of large lignite moisture content, low calorific value, weatherability, and spontaneous combustion. 3. The total investment is RMB 430 million. The Datang International Lignite Drying Project, which deals with 3 million tons of raw coal in the first phase of the project, will start construction in June this year. The main plant, coal bunker, coal hopper, coal trestle, and underground gallery will be completed during the year. Engineering and dryer lifting, put into production in 2011. 4. The total investment is 98.98 million yuan. The lignite company lignite drying project that treats 700,000 tons of lignite, produces 300,000 tons of clean coal, 50,000 tons of coal, and 33,300 tons of coal tar will start construction in July this year. The plant infrastructure and equipment orders were completed by the end of October and completed and put into production in August 2011. It is estimated that the average annual sales income after the production will reach 150 million yuan and the total profit will be 43 million yuan. The project adopts the low-temperature dry distillation technology of lignite to increase the calorific value of lignite, reduce the emission of pollutants when lignite burns, and promote cleaner production. 5. The planned total investment of 400 million yuan, the annual output of 1.2 million tons of semi-coke, 60,000 tons of tar, and supporting gas power generation of the Ordos Dinghua Company's coal chemical project was already in Huxi City near sunset. In the first phase of the project, an annual pilot project of 80,000 tons of semi-coke and 4,000 tons of coal tar demonstration will be started. Construction of the plant will be completed by the end of the year and the installation of equipment will be completed by the end of July 2011. The second phase of the project will start construction in 2011, 2013. Completed and put into production before the end of the year, reaching the total investment construction scale. 6. The total investment is 520 million yuan, and the seawater desalination recycling economic industry project that handles 6.25 million tons of raw coal has been registered by the Development and Reform Commission of the autonomous region. 7. The brown coal conversion projects such as Xiexin Dimethyl Ether, Country Garden Coal-to-Liquid Oil, and Shengong lignite drying are actively being promoted.
Ceramic Seal Discs
As the quality of seal disc in the sealing devices will influence the sealing performance and the service life-time directly, and the physical properties of seal disc will be decided by the composition and microstructures of the raw material, so choosing an ideal raw material is a critical thing for making the seal disc.
With the development of technology, technical ceramics have to be thought as a desired material for seal disc due to their exceptional wear resistance, self-lubrication, chemical stability, high-temperature resistance features. In common case, the ceramic seal disc are commonly made from alumina ceramic, zirconia ceramic and silicon carbide, they are regularly formed by dry pressed, hot pressed and isostatic pressed with very dense ceramic body. In order to enhance the sealing performance, the polishing finish at working surface and double-side grinding will be carried after sintering, afterwards, the mirror surface will be formed which will reduce the friction under working.
We have been supplying hundreds of ceramic seal disc for domestic and overseas client, including a series of standard designs and a variety of customized ones. With our seasoned know-how and experience to the industry, we deeply understand how to control the critical dimensions, how to keep the quality consistence.
These ceramic seal disc are mainly used in faucet valve, water diverter, water pump, oil pump and gas pump as a key component inside the sealing system.
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