Apr. 22, 24
The atmosphere inside the vacuum furnace directly impacts the surface treatment impact. The atmosphere inside the vacuum furnace is identified by the gas tightness, so in order to guarantee the high quality of the work surface, the initial step is to keep the vacuum furnace gas tight.
The evaluation of the gas tightness ought to be regular and also institutionalised. Below HAOYUE FURNACE to tell you some of the mistake discovery approaches of gas leakage.
Expansion joints on the furnace shell and blood circulation piping, warm exchanger flanges, each tool flange and welding ports, and so on
water-cooled pyrometers, cams, water-cooled warm exchangers
The parts of the tools replaced during upkeep. Parts of the heater body and also pipelines that have actually been relocated throughout the inspection.
Analyser sampling tube installations
Opened up top cover, lower cover, belt piercing, and accessibility door.
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1) By observing the adjustments in the measurement data of the online analyser, it is possible to establish whether there is a leakage in this follower.
2) The unfavorable pressure leak factor can be checked by the above approach by turning the adverse stress right into positive stress and afterwards making use of a hydrogen detector to check it, or you can make use of a helium leakage detector, a device especially created for adverse stress leak detection, to examine it.
1) Make use of the analyzer to measure the information, when an area of residual oxygen suddenly and also substantially higher, it may be the heating system shell or circulation pipe leak.
2) Ensure that the hydrogen in the heating system is above 3% and inspect the gas tightness of the dripping furnace section with a mobile hydrogen detector after verifying the leakage, with the crucial components being the leading overhaul welds etc. When the dripping area is checked, the hydrogen detector will certainly generate an alarm system.
Annealing heating system has been in working condition, for some leaks can be required to play high-temperature sealant and other methods to do a short treatment, to have the opportunity to stop the furnace and then do a full treatment.
Cracked parts should be welded; Gaskets and snap rings that have aged or suffered damage are to be replaced; Parts with technical problems are to be replaced in good time; Loose screws are to be tightened.
The products provided by Shanghai Haoyue are advanced in technology, reliable in quality and complete in variety. Our advantages are not only reflected in the field of high-precision temperature control, but also our outstanding professionals in technology, vacuum, automatic control and computer temperature analysis system. Please get in touch with us now and get some suggestions if you are looking foa a reliable cooperator.
The Development Direction of Heat Treatment
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