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  • Happy 11TH Birthday to KeJia Furnace company11 years of wind and rain. Happy birthday to my Kejia Group! Every years efforts, every years product improvement, every years smile. Always bring customers the best quality and service! Keep the original intention and create the future together!


  • Kejia outdoor barbecue activitiesZhengzhou Kejia Furnace Co., Ltd. is an emerging enterprise specializing in the research and development, production and sales of heat treatment products. For more than ten years, the company adheres to customer demand as the orientation, is committed to continuously improving product quality and perfect technical services, using excellent technology and rich practice accumulation, has successively developed experimental electric furnaces and industrial furnaces with international advanced standa


  • CVD equipment from a Brazilian research institute has been deliveredCVD equipment from a Brazilian research institute has been delivered today. CVD equipment is mainly composed of sliding tube furnace, vacuum pump and three-way proton flowmeter.


  • Classification and application of experimental box furnaceThere are many kinds of experimental box furnace. There are vacuum box furnace, which can be vacuumized; there is atmosphere box furnace, which can pass the atmosphere; and high temperature box furnace, the temperature is from 1200 ℃ to 1800 ℃. In fact, both vacuum box furnace and atmosphere box furnace can be called high temperature box resistance furnace. The experimental box furnace can be used for the heating of University experiments, industrial and mining enterprise experiments, as well as the element analysis of scientific research institutions and colleges, the quenching, annealing, tempering and other heat treatment of small steel parts. Zhengzhou Kejia experimental box furnace adopts imported alumina polycrystalline fiber material refining furnace, which has fast heating effi


  • Development prospect of vacuum heat treatment furnace industryVacuum heat treatment has the advantages of no oxidation, no decarburization, bright surface of workpiece, small deformation, no pollution, energy saving, high degree of automation, and wide range of application. It is one of the new heat treatment technologies developed rapidly in recent years, especially in the surface modification of aviation materials. Many newly developed advanced heat treatment technologies, such as vacuum high pressure gas quenching and vacuum chemical heat treatment, also need to be implemented under vacuum. Vacuum heat treatment technology can greatly improve the quality and service life of structural materials, tools and dies, especially suitable for heat treatment of some precision parts. With the development of vacuum heat treatment technology, vacuum heat trea


  • Installation steps of atmosphere tube furnaceInstallation of furnace body The tubular atmosphere furnace can be placed on the worktable to suit the operating height of the staff, and the effective bearing capacity of the worktable should be greater than 200kg. Electrical installation Power configuration: 220 v. According to the users electric control cabinet, the power should be greater than 6kW. Installation of thermocouple: the depth of the thermocouple inserted into the furnace is 25 mm, and it is connected with the temperature control instrument by using n-grade compensation wire. Note: do not install thermocouple with quartz tube first. The electric furnace and control cabinet shall be grounded as a whole, and the grounding resistance of grounding wire shall be less than 4 . Resistance wire connection mode: two parallel, power s


  • Liquid crystal ceramic fiber box furnaceThe box furnace belongs to periodic operation type, which is used for element analysis and determination in laboratories, industrial and mining enterprises and scientific research institutions, and for heat treatment of general small steel parts such as quenching, annealing and tempering. The high temperature box furnace can also be used for sintering, dissolving and analyzing metals and ceramics. The main use of ceramic fiber box furnace is to heat raw materials, blanks and other parts of machines in machine industry. Such as plate rolling billet heating, forging heating. Heat treatment of other parts and semi waste products to improve the machine functions, such as quenching, tempering, annealing, normalizing, gas carburizing, nitriding, etc. Also used for sintering, brazing, all resista


  • Future development direction of heat treatmentWith the transfer of heavy chemical industries such as steel, machinery and chemical industry to developing countries, heat treatment plays an important supporting role in the revitalization and development of China's manufacturing industry


  • Development and application of box furnaceCeramic industry plays an important role in social construction, national defense science and peoples life. It not only has a close relationship with human daily life, but also has gone beyond the scope of daily use, architecture and general industrial use with the development of science and technology, and is applied in advanced materials such as electronics and atomic energy. Sintering is an important process in the production of ceramics, which is carried out in the thermal equipment. The thermal equipment here refers to the box furnace and its auxiliary equipment. With the development of science and technology, the original materials can not adapt to many situations and need special processing. The raw materials are mostly high-purity oxides, carbides, nitrides and other high-temperatu


  • Main technical parameters of high temperature box furnaceToday we give you a brief introduction to the main technical parameters of the high temperature box furnace : 1.Temperature classification: 1000 ℃, 1200 ℃, 1400 ℃, 1600 ℃, 1700 ℃; 2.The accuracy of temperature control is 1 ℃; 3.Furnace temperature uniformity 1 ℃ (depending on furnace size); 4.The appearance of furnace body structure adopts high temperature plastic spraying, temperature resistance, oxidation resistance, acid and alkali resistance; 5.The exquisite two-color matching is more generous, exquisite and beautiful. The shell is made of national standard angle steel and cold-rolled plate. The shell is double-layer shell with internal and external isolation and air-cooled structure. The external temperature is not more than 40 ℃. The furnace door can be opened in a


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