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Oil sludge treatment in Karamay

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Oil sludge treatment in Karamay
Heat Treatment of S.G. Irons | Cast Irons | Metallurgy
Heat Treatment of S.G. Irons | Cast Irons | Metallurgy

Surface,-,Hardening,: S.G. iron responds well to the common ,surface,-,hardening, methods; by flame, induction or even laser. As the heating-time is short in these methods, complete pearlitic matrix is preferred as it responds instantly with little holding time at the austenitising temperature, normally between 845 to 900°C in order to harden- fully the thin ,surface, layer.

hardening - SlideShare
hardening - SlideShare

• At such high temperatures, decarburisation at the ,surface, may take place in the presence of oxygen • Decarburisation will result in decrease in carbon content in the martensite formed at the ,surface, • It will give rise to low hardness in the ,surface, after ,hardening, • Hence protective atmospheres may be used in heat ,treatment, to avoid oxidation or decarburisation • Innert gases may ...

LUBRICANTS
LUBRICANTS

surface, finish. Quench Oils are available in four grades: 15, 22, 22HS and 32HS. The 22 grade is a highly refined, straight (non-additized) paraffinic mineral ,oil, recommended for conventional quenching of ferrous metals at bath temperatures up to 150°F (66°C). It has a slower quench speed than the other grades, and provides minimum ,hardening, ...

Technology | Nihon Parkerizing Co.Ltd.
Technology | Nihon Parkerizing Co.Ltd.

We develop surface hardening technology including nitriding and carburizing heat treatments, composite hard plating and plasma electrolytic oxidation(PEO). Among our heat treatments, we have established a salt bath nitriding method which is a low energy consumption, …

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Road West, North Branch, Jingkai Road, Puyang City