三年高清观看免费大全,三年观看免费大片三年大,三年在线观看免费大全,三年大片观看免费大全哔哩哔哩,三年在线观看高清大全,三年在线观看免费观看

Language:
OUR PRODUCTS
HONOR


NEWS CENTER

Lanzhou Petrochemical's jet fuel output has reached a record high


On May 21st, in the centralized control room of the refining area of Lanzhou Petrochemical, the internal line operators of the 5 million tons/year atmospheric and vacuum distillation unit were carefully comparing the quality inspection and analysis results. By swiping the mouse at the control points on the screen, they adjusted the external release volume of the atmospheric line again, precisely keeping the freezing point of the jet fuel above the quality index to ensure the max

2025-5-23-


NEWS CENTER

Faults and maintenance of Wafer electric Butterfly valves


If you do not carefully check the usage condition and performance specifications of the wafer-type electric butterfly valve before installation, the wafer-type electric butterfly valve may have the following common faults: the valve cannot be reversed or the reversing action is slow, gas leakage, and the electromagnetic pilot valve is faulty, etc. (1) The inability or slow reversing action of the wafer-type electric butterfly valve is generally caused by poor lubrication, th

2025-5-16-

ENGINEERING APPLICATION

Chemical industry

The chemical industry is a large polluter because of its various types, complex processes, and diverse products, and the types, quantities and toxicity of pollutants discharged during production.

Oil and gas

With the increasing demand for oil and gas products around the world and the depletion of oil and gas resources, the collection, transportation and processing technology and requirements of oil and gas products become increasingly complex, costly and face more and more personalized technical requirements

Pharmaceutical industry

Pharmaceutical industry is an important part of China's national economy. It is a combination of traditional industry and modern industry, and one, two and three industries are integrated.

Metallurgical Industry

The valve used in iron metallurgy industry has strict working condition, poor sealing performance of valve, wear problem in production engineering causes pipeline aging and valve damage, which needs frequent maintenance and treatment. Therefore, due to the problems of short service life and high maintenance frequency of valve, it causes long shutdown time

Water treatment industry

The basic situation of water treatment industry, water resources is an important resource for human survival and social development. With the rapid development of China's economy, urbanization and industrialization process

Electric power industry

Electric power is a kind of energy which is powered by electric energy.Invented in the 1870s, the invention and application of electricity set off the second wave of industrialization

欢迎光临: 海伦市| 枣庄市| 厦门市| 阿合奇县| 阳泉市| 普兰县| 汾阳市| 奉贤区| 阿克陶县| 五寨县| 左云县| 望城县| 乐都县| 武汉市| 法库县| 普陀区| 雅江县| 阳朔县| 昭觉县| 宣恩县| 洪泽县| 三江| 汪清县| 吉林市| 宝丰县| 长顺县| 皮山县| 苍山县| 河间市| 鄂托克前旗| 凤凰县| 芜湖市| 龙海市| 玉山县| 利川市| 同德县| 彭州市| 仙游县| 安远县| 宁津县| 昂仁县|