Intermediate frequency furnace furnace

by:Hengyang Furnace     2020-10-07
Are the intermediate frequency furnace boiler cleaning technology an intermediate frequency furnace model answer: ask the question is too unclear, depends on what do you mainly castings. I also make casting, free discussion. Matters need attention of intermediate frequency furnace answer: 1, to check the good before blowing in electrical equipment, water cooling system, sensor tubes are in good condition, otherwise prohibited furnace. 2, furnace melting in excess of the prescribed shall promptly repair. It is strictly prohibited in melting too deep inside the crucible for melting. 3, sending and furnace should have someone who's in charge, after sending it is forbidden to contact sensors and cables. On duty shall not leave post, pay attention to the sensor. Why will be more and more small medium frequency furnace smelting grey cast iron stove? Answer: everyone else is using the bigger, you have to do, either slag stick to a furnace wall, not clear, ha, ha, ha. Intermediate frequency furnace operators by electricity is what a: insulation problems. Must be kept clean in the hearth, not regular cleaning of scale in the hearth, found a knot off places must use the same material mends and drying. In addition, check whether there is a hose leakage or water penetration? If it is a heating furnace, furnace with two stainless steel, in the furnace inlet pressure over the head with a stainless steel screw. How to increase the speed of intermediate frequency furnace smelting answer: the former generally use Yu Taozao alloy material, which is used for refining steel, more can be done dozens of tons of electroslag furnace, intermediate frequency furnace generally don't have that much, rarely more than 10 tons of intermediate frequency furnace. Intermediate frequency furnace and electroslag remelting they use different frequency, the frequency of the intermediate frequency furnace is higher than the frequency of the power frequency furnace. Using the intermediate frequency furnace heat melt metal heating, so as to achieve. For intermediate frequency furnace operation procedures? Intermediate frequency furnace boiler cleaning a: stop sending procedures 1 intermediate frequency furnace, check whether the water drainage systems, the hydraulic pressure gauge is normal, the pipe is leaking. Electric control cabinet of the feed water pressure for 01 mpa, condenser water pressure 008 mpa, furnace feed water pressure for 02 mpa, transformer of the feed water pressure as 01 mpa. 2, after the water supply is normal, first through to protect the tank control power, at startup. Main points of the intermediate frequency furnace steelmaking intermediate frequency furnace boiler cleaning a: divine radiation electric furnace co. , LTD. Web site is introduced as follows: a, the task of smelting steel part of the main raw material is steel scrap and pig iron. Outsourcing in scrap steel rust, with mud and other dirt, sulfur, phosphorus content in steel is higher also. Steel's task is to put the above conditions of raw material of smelting gas and low inclusion content, composition of qualified, temperature meet the requirements of high quality. Intermediate frequency furnace refractory material all have? What is action? A: melting point higher than 1700 ℃ the refractory according to the chemical composition of classified roughly oxide, carbide, nitride and sulfide, boride and chemical element six categories. The chemical elements and carbide work under high temperature, oxidizing atmosphere, extremely easy oxidation or dissolved in liquid iron. Silicon carbide can be used to fix the build by laying bricks or stones out of the furnace iron groove or feeding trough, but not because of its electrical conductivity. 15 t intermediate frequency furnace answer: 15 t intermediate frequency furnace furnace building formula is simple, is that you can see when buying material, generally according to the material type 'particle big crab points 5, but this is not an unified model, the size of the furnace different ratio is not unity, so you can provide the parameters of the furnace to the yard, they can according to the ratio of model for you. Construction process and the oven process generally refers to wet to play, is according to the model. Intermediate frequency furnace flow is why a: flow of the main reasons are: ( 1) Small lead Angle B before a tuning, make inverter thyristor commutation time tC increases, the corresponding reserve time tB is reduced, thus difficult inverter in tube flow, flow, make the inverter failed. We know that tD = tC + tB which tD for lead before the triggering time, tC for commutation time, to reserve time tB. Only when the tB> Tq, can ensure shutoff crystal. 1 acid lining material: carbon steel smelting. Quartz sand ( 20/40) 40%, quartz sand, 50/100) 5 ~ 2% ( Plus) 2%, water ( Plus) 。 Quartz sand should be magnetic separation, remove the ferromagnetic material. Alkaline lining: for alloy steel smelting. Magnesia ( A 4 x 4 mm sieve) 96%, refractory clay, No. 100. What are the common faults intermediate frequency furnace? A: common fault analysis and processing method of intermediate frequency furnace: first: fault phenomenon: equipment cannot be started, started only dc ammeter have instructions, dc voltage no instructions, intermediate frequency voltage. Analysis: a has short pulse trigger inverter phenomenon; B thyristor inverter breakdown; C capacitor breakdown; D load has a short circuit, grounding phenomenon; E intermediate frequency signal. Intermediate frequency furnace service life of the intermediate frequency furnace boiler cleaning a: in addition to the requirements of the physical and chemical indicators, burden coefficient of expansion as small as possible, in order to avoid the use of expansion of crack due to repeated temperature difference effect, affecting the service life of crucible. According to the equipment models, melting materials of ph and melting temperature control to determine. At present, the domestic intermediate frequency furnace crucible of masonry materials with quartz sand and high alumina materials. Suitable for the high alumina material 500 kg. The maintenance of the common sense answer: medium frequency furnace oven for dry type furnace, furnace of steel is not out. When the oven must be based on the principle of add sauce and infill, avoiding local flint and melt the tank, make the dry material to collapse. So try to save a few small in front of the oven. At the same time in the process of heating up to strictly observe the steel case, when a dozen arc serious should reduce current, if the current in the lead. What are the requirements for raw materials intermediate frequency furnace smelting medium frequency furnace boiler cleaning a: intermediate frequency furnace smelting with raw materials including steel, iron alloy, intermediate alloy, pure metal, special additive and slagging materials.
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