The large air separation unit intrinsically safe system grounding
The large air separation unit intrinsically safe system grounding
Intrinsic safety system grounding adopts isolated safety pendant intrinsic safety system, which does not need special grounding. Intrinsic safety system using Zener type safety pendant should be equipped with a grounding connection system.
Products of The large air separation unit intrinsically safe system grounding
DEAR air separation has provided many sets of air separation plant for chemical industry for many years, with rich experience and the safe and stable unit operation. This unit adopts molecular sieve purification, booster turbine expander to supply the cooling capacity of the unit, and the whole rectification hydrogen-free argon production process. The rapid growth of enterprises in the industry is accompanied by the demand for production and the demand for air separation plant. DEAR air separation has cooperated with customers in the large-scale complete set of air separation plant KDON (AR) - 36000/70000-1200 project, which provides customers air separation plant with mature technology, reliable and convenient operation, and energy saving intelligence, which improves the production efficiency of customers, saving the operation cost and creates greater economic benefits.
DEAR air separation has provided many sets of air separation plant for chemical industry for many years, with rich experience and the safe and stable unit operation. This unit adopts molecular sieve purification, booster turbine expander to supply the cooling capacity of the unit, and the whole rectification hydrogen-free argon production process. The rapid growth of enterprises in the industry is accompanied by the demand for production and the demand for air separation plant. DEAR air separation has cooperated with customers in the large-scale complete set of air separation plant KDON (AR) - 13000 / 22000-350 project, which has meet the capacity demand and safety demand of the enterprise.
1.In the process of preparation and implementation of hoisting construction, the safety and quality assurance system must ensure the normal operation,to ensure that the hoisting project meets the requirements of safety and quality. Before hoisting, safety and quality inspection must be carried out, and it must comply with the code forLifting construction of chemical engineering construction (HG20201-2000) and other regulations and specifications.
2.The crane performance shall meet the requirements of hoisting process, and the alarm and hydraulic system must be reliable.
3.Strictly implement the provisions of the technical documents attached to the crane.
4.The hoisting schedule of auxiliary crane should match that of main crane.
5.The hook deflection angle shall not be greater than 3°.
6.It is forbidden to drag the unitdirectly on the ground with crane.
7.Before unithoisting, trial hoisting shall be carried out. The clear hoisting distance and the foundation change at