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Mining valves are valves designed for mining environments such as coal mines and metal mines. They have special performance and structure to adapt to the harsh conditions of underground mining operations. The following are some key features and applications of mining valves:
Special materials: Mining valves are usually made of cast iron, cast steel, carbon steel, stainless steel, alloy steel and other materials to resist the influence of corrosive media and harsh environments.
Pressure and temperature range: They are designed with a wide range of nominal pressures PN0.04~64.0Mpa and nominal diameters DN50~DN2000, as well as a service temperature range from -125℃ to 1100℃ to meet the needs of different mines.
Corrosion resistance: Mining valves can withstand corrosive media such as water, oil, steam, coal gas and sulfur-containing gas, strong alkali, concentrated acid, etc.
Diverse driving methods: The driving methods of mining valves include manual, pneumatic, electric, hydraulic, gear transmission, etc. to adapt to different operating environments and needs.
Safety standards: Mining valves must comply with international and national standards such as API, ASTM, MSS, ANSI, CE, JIS, ISO, GB, JB, HB, etc. to ensure safe use.
Widely used: They are widely used in industries such as petroleum, chemical, mining, natural gas, metallurgy, and electricity, especially in coal mines to control the on and off of water pipelines and adjust the flow of media.
Special purpose valves: For example, air bag pressure relief valves are mainly used in air compressor systems to play a role in safety and protection.
Flameproof valves: For flammable and explosive environments such as coal mines, mining valves may need to have flameproof functions to ensure safe operation.
Electric valves: Mining electric valves can be remotely controlled and are suitable for mining environments that require automated control.
Maintenance and inspection: Mining valves require regular inspection and maintenance to ensure their normal operation and long life.
The design and manufacture of mining valves take into account the challenges unique to the mining industry, such as desirable temperatures, corrosive media, and potential explosion risks, ensuring the reliability and safety of mining operations.
Changzhou Xinneng Automatic Control Equipment Co., Ltd is a technology-based enterprise specializing in research, development, production, sales, and service of various electric actuators, valves, and automatic control systems. As a China Custom Coal Mine Valves Suppliers and Coal Mine Valves Manufacturers, annual production and sales of electric valve actuators of more than 10,000 sets. In 2006 through the IS09001 quality management system certification, and obtained the national "productflame-proof certification", "explosion-proof the national industrial product production permit" issued by the National Center for AnBiao "mining productssafety sign certificate", and in cooperation with the district technology bureau established the engineering research center for intelligent digital electric actuators, 16 patent for utility model.
The company product series is complete, the actuator product has the common type, the whole type, the adjustment type, the intelligent type, the explosion-proof type BT4, CT4, MA mining type, and so on. The AUKEMA intelligent electric actuator has reached the international level, with better control than imported products, and is closer to the actual needs of the domestic market.
The company is committed to product type optimization and qualitmprovement, combined with the market demand, developed a special electric valve for coal mines, the application of thousands of major coal mining groups in the mine, improved the level of coal mine automation; Environmental protection desulfurization and off-sale electric valve is widely used in the field of power stations, contributing to environmental protection. Okuma explosion-proof series BT4, CT4 electric valve is the priority brand of oil, petrochemical, natural gas, gas, and other flameproof fields. In addition, many supporting products in metallurgy, water treatment, electric power, shipbuilding, fire, and other fields, users - praise. In recent years, the company increased the development of overseas markets, products are exported to Indonesia, Pakistan, Singapore, Nigeria, Malaysia, and other countries.
Enterprises adhering to desirable product quality will occupy the market, tread the industry with advanced science and technology, improve the service system to return the customer's purpose and strive to become a flow of valve actuator manufacturing enterprises.
Quality commitment: the company's products have three guarantees, product lifetime warranty, and satisfactory after-sales service.
We strive to provide quality products and satisfactory services for the development of automation, looking forward to your sincere cooperation!
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Read MoreIn the mining industry, safety is always the top priority. As a key component in coal mine equipment, the safety performance of coal mine valves is directly related to the life safety of miners, the integrity of production equipment, and the overall safety and stability of mines. Therefore, it is crucial to ensure the safety performance of coal mine valves.
1. Material selection and manufacturing standards
The material selection of coal mine valves must meet the requirements of the mining industry. Due to the complex environment of mines, valves need to withstand high pressure, high humidity, high dust, and possible corrosive media, so high-strength, corrosion-resistant alloy steel or stainless steel is usually used. During the manufacturing process, it must be strictly carried out in accordance with relevant national and industry standards, such as "Technical Conditions for Mining Valves" and "Safety Specifications for Mining Equipment" to ensure the reliability and durability of the valves.
2. Design and testing
The design of the valve should fully consider the special environment of the mine, including high pressure, impact loads, and possible explosive gases. The design should include strength analysis and pressure resistance testing to ensure that the valve can still work stably under extreme conditions. At the same time, the design should also pay special attention to the sealing performance of the valve to prevent liquid or gas leakage, thereby avoiding threats to mine safety.
After production is completed, coal mine valves must undergo rigorous testing and inspection, including pressure testing, leakage testing and corrosion resistance testing. All test results must comply with relevant standards, such as the "Valve Pressure Test Specification" and the "Valve Leakage Test Standard". These tests ensure the safety and reliability of the valve in actual use.
3. Regular inspection and maintenance
Regular inspection and maintenance of coal mine valves is an important means to ensure their safety performance. The inspection content includes appearance inspection, sealing inspection, opening pressure test and return seat pressure test. Through appearance inspection, it is possible to timely detect whether the valve has corrosion, cracks and other phenomena; sealing inspection ensures that the valve has no leakage under normal working pressure; opening pressure test and return seat pressure test verify whether the valve can be opened and closed quickly and accurately when needed.
In addition to regular inspection, a sound maintenance system should also be established. This includes regular cleaning, lubrication and tightening of the valve to ensure that it is in good condition. For severely worn parts, such as seals, bearings, etc., they should be replaced in time to ensure the sealing and operating stability of the valve.
4. Personnel training and operating specifications
The professional skills and safety awareness of operators are also key factors in ensuring the safety performance of coal mine valves. Enterprises should regularly train operators to familiarize them with the structure, performance and working principle of coal mine valves, and master the correct operating methods and safety precautions. At the same time, detailed operating procedures should be formulated to clarify the opening and closing methods of valves, emergency treatment measures, and regular inspection and maintenance requirements.
During the operation, operators should pay close attention to the operating status of the valves. If abnormal sounds, vibrations, temperature increases, etc. are found, the machine should be stopped immediately for inspection.
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