VD/VOD Vacuum Ladle Refining Furnace System 1

VD/VOD Vacuum Ladle Refining Furnace

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VD/VOD Vacuum Ladle Refining Furnace

40TVOD furnace

100T VD furnace

In recent years, secondary vacuum refining technique gets popular and further developed. The heart of global metallurgical industry has transferred from quantitative to be variety diversification and high quality. The super purity index ( total [H]、[N]、[O]、[S]、[P] get 50ppm,or even lower) reflects the quality of product, The effective way to achieve super purity index is secondary vacuum refining technique. There are many ways of secondary vacuum refining, the most popular ways are:1, VD- ladle vacuum refining process.2, VOD- vacuum oxygen decarburization ladle vacuum refining process.

VD/VOD ladle vacuum refining process strengthens blowing argon reasonably on the bottom of furnace; it can stir molten steel adequately and get ideal dynamics effect. If combining VD and LF, the furnace can get ideal molten steel refining temperature with easy structure and low cost. Both of the above process can dehydrogenize, denitrify, desulfurize, deoxidize under vacuum conditions and get the function of Vacuum Oxygen Decarburization (VOD) to achieve the purpose of refining super pure steel.

Vacuum pump system is the main equipment of vacuum refining device. Base on our ten years experience of test research and generalized application, two series products – “Full steam jet vacuum pump system” and “Steam jet + water ring vacuum pump system” had formed. “Full steam jet vacuum pump series” uses a certain pressure water steam and cooling water as working medium of the pump, “Steam jet +water ring vacuum pump system” uses a certain steam pressure, less water steam and cooling water as working medium, and consume few electricity. The steam consumption of “Full steam jet vacuum pump” is relative high, and need to equip with bigger boiler, but the cost of vacuum pump itself is lower. The steam consumption of “Steam jet +water ring vacuum pump system” is relative low, and can equip with a smaller boiler, but the vacuum equipment itself costs higher. So the total investment cost of above system is basically consistent, both are satisfied the requirement of producing molten steel by secondary vacuum refining.

Our company is a Key enterprise and professional manufacturer of steam jet vacuum pump and whole vacuum equipments in China, and we are also the first corporation of designing and producing VD/VOD Vacuum refining equipment and VC Vacuum Cast Equipment in China. Up to now, we had designed and produced more than 180 sets VD/VOD, RH vacuum refining equipment, VC vacuum casting equipment for more than 100 companies. All these equipments meet the requirements of design and well received by the end user.

Q:What is the difference in structure between industrial furnace and boiler?: At the same time, the working environment is relatively poor, the structure should be sturdy and durable, the transfer mechanism (generally) to stable and durable low failure rate, the insulation layer must be thick enough and the economy, the steel structure housing materials used to be enough.

Q:What are the advantages of a vacuum furnace?: Energy consumption is lower than salt bath furnace. Modern advanced vacuum industrial furnace heating chamber is made of high quality heat insulation material and wall, which can concentrate electric heating energy into heating chamber with remarkable energy saving effect.

Q:What's the role of anchor bricks in industrial furnaces?: These layers need to be joined and anchored. Anchor brick is this role. The heat insulation layer at the horizontal section of the flue is mostly a narrow cavity.

Q:Selection of heat preservation material for industrial furnace: In the neutral and oxidizing atmosphere, the tensile strength, toughness and fiber structure can be maintained for long term use. The temperature is 950-1400 centigrade. Excellent chemical stability; excellent thermal stability; excellent tensile strength; low thermal conductivity; low thermal capacity; excellent sound absorption and noise reduction performance.

Q:What is an industrial furnace pit?: The creation and development of industrial kilns play an important role in the progress of mankind. Chinese appeared more perfect in the Shang Dynasty copper smelting furnace, furnace temperature is up to 1200 DEG C, up to 0.8 meters in diameter kiln stove.

Q:What is the difference between industrial furnace masonry and ordinary masonry?: Furnace industry is not generally Mason walls, needs to have a professional operation and rich construction experience, high level of industrial furnace is difficult to get.

Q:Brief introduction to repair of industrial furnace: Compared with other equipment, industrial furnace repair has many characteristics: more repair times, more maintenance costs, more non-standard equipment and unsafe factors.

Q:What are the companies in the world that are currently engaged in metallurgical furnaces?: Basically, no industrial furnace manufacturer can do all types of stoves.Often associated with the industry is very large,so your ranking is basically meaningless.

Q:What is industrial furnace masonry?: Before masonry construction, the pre process and parts that may affect the quality of masonry work shall be re tested,masonry construction shall be carried out according to the datum central line and the datum elevation.

Q:What are the combustion equipments used in industrial boilers?: The main auxiliary equipments of the general boiler are: upper coal machine, ash blower, blower, draught fan, economizer, feed pump and water treatment unit. Oil boilers are: oil pumps, burners, tanks and so on.

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