Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F27—FURNACES; KILNS; OVENS; RETORTS
  • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
  • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
  • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
• • C—CHEMISTRY; METALLURGY
  • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
  • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
  • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
  • C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B7/00—Heating by electric discharge
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F27—FURNACES; KILNS; OVENS; RETORTS
  • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
  • F27B14/00—Crucible or pot furnaces
  • F27B2014/002—Smelting process, e.g. sequences to melt a specific material
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F27—FURNACES; KILNS; OVENS; RETORTS
  • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
  • F27D99/00—Subject matter not provided for in other groups of this subclass
  • F27D99/0001—Heating elements or systems
  • F27D99/0006—Electric heating elements or system
  • F27D2099/0031—Plasma-torch heating
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F27—FURNACES; KILNS; OVENS; RETORTS
  • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
  • F27D3/00—Charging; Discharging; Manipulation of charge
  • F27D3/0025—Charging or loading melting furnaces with material in the solid state
  • F27D3/0026—Introducing additives into the melt

Definitions

• the furnace and the furnace are used to process the metal; it separates the vintage grade of steel being melted, the furnace
• a well-known method includes the creation of a vacuum over a ground of a glazed metal for its degassing and heating of a molten metal arc.
• a well-known method is realized in a unit containing a vacuum chamber, in which a container with a liquid megallum is placed.
• the hazardous process includes the oxidation of an oxidizing gas to reduce the content of carbon dioxide in a hot melt, which is heated by an oxidized gas. Simultaneously to inert gas 10 DYA ⁇ is in most cases an active reagent of dual gas. On the other hand, gas is used for the oxidation of the alloy.
• Non-hazardous gas in such a quantity, as plasma is mainly composed of hydrogen.
• 15 gas-producing gases use inert gas, for example, argon.
• the known method is realized in the device, including
• Electric arc burning is caused by more than 25 thermal processes with radiation, which is a known known cause of low energetic stress.
• the implementation of such a method is largely troubled due to the need to ensure a vacuum.
• vyshe ⁇ isannaya ⁇ e ⁇ n ⁇ l ⁇ giya ⁇ su- 30 sches ⁇ vleniya s ⁇ s ⁇ ba delae ⁇ ⁇ e ⁇ niches ⁇ i sl ⁇ zhn ⁇ ⁇ ealizuemymi ⁇ a ⁇ ie ⁇ e ⁇ atsii ⁇ b ⁇ ab ⁇ i ⁇ as ⁇ lava, ⁇ a ⁇ legi ⁇ vanie, ⁇ as- ⁇ islenie and ⁇ a ⁇ further and ⁇ a ⁇ zhe • ⁇ e ⁇ atsii desul ⁇ u ⁇ atsii de ⁇ s ⁇ atsii and related guidance shla ⁇ a.
• the main task of the invention was to create a method for processing the alloy and equipment for processing the waste, for the treatment of - 7 - ⁇ dacha d ⁇ bav ⁇ in ⁇ as ⁇ lav ⁇ suschee ⁇ vleyay ⁇ a ⁇ im ⁇ b ⁇ az ⁇ m, ch ⁇ ⁇ iv ⁇ dya ⁇ ⁇ in ⁇ eyasi ⁇ i ⁇ atsii ⁇ e ⁇ l ⁇ - and mass ⁇ bmena between ⁇ - ⁇ m niz ⁇ emle ⁇ a ⁇ u ⁇ n ⁇ y ⁇ lazmy and ⁇ as ⁇ lav ⁇ m, ⁇ ⁇ vysheniyu 5 eyae ⁇ ge ⁇ iches ⁇ g ⁇ ⁇ e ⁇ itsieya ⁇ a ⁇ lezn ⁇ g ⁇ deys ⁇ viya nag ⁇ eva ⁇ as ⁇ lava and ⁇ a ⁇ zhe ⁇ iya ⁇ ensi ⁇ i ⁇ atsii ⁇ e ⁇ l ⁇ - and mass ⁇ bmena between
• the sale of the proposed method allows for the use of spare parts for the preparation of finely divided products in the amount of 0.1 millimeters.
• the speed of the range of processes in the baths is made up of steel smelters (slagging, disinfection, desulphurization and other processes), and there is a significant loss of heat.
• Is ⁇ lz ⁇ vanie shla ⁇ b ⁇ azuyuschi ⁇ ⁇ isad ⁇ in ⁇ sh ⁇ b- ⁇ azn ⁇ m form ⁇ edva ⁇ i ⁇ eln ⁇ a ⁇ imul ⁇ van ⁇ y ⁇ in llazmeyan ⁇ y arc and vvedenny ⁇ in ⁇ bem ⁇ as ⁇ lava for ⁇ bes ⁇ echeniya naib ⁇ - Lee vys ⁇ y ⁇ azvi ⁇ s ⁇ i ⁇ ve ⁇ n ⁇ s ⁇ i me ⁇ all-shla ⁇ , s ⁇ zdae ⁇ usl ⁇ viya d ⁇ s ⁇ izheniya ma ⁇ simaln ⁇ y s ⁇ s ⁇ i ⁇ tsess ⁇ v de ⁇ s- ⁇ atsii, and desul ⁇ u ⁇ atsii d ⁇ ugi ⁇ . It is convenient to use the waste product for use in the treatment of waste.
• P ⁇ s ⁇ avlennaya task ⁇ eshae ⁇ sya ⁇ a ⁇ zhe ⁇ em, ch ⁇ in us ⁇ y- s ⁇ ve for ⁇ b ⁇ ab ⁇ i ⁇ as ⁇ lava, s ⁇ de ⁇ zhaschem ⁇ lazm ⁇ n for s ⁇ zdaniya ⁇ a niz ⁇ emle ⁇ a ⁇ u ⁇ n ⁇ y llazmy, us ⁇ aya ⁇ vleyany with z ⁇ zm ⁇ zhn ⁇ s ⁇ y ⁇ v ⁇ zv ⁇ a ⁇ n ⁇ - ⁇ s ⁇ u ⁇ a ⁇ eln ⁇ g ⁇ ⁇ e ⁇ emescheyaiya in ve ⁇ i ⁇ aln ⁇ y ⁇ l ⁇ s ⁇ s ⁇ i and ⁇ asl ⁇ l ⁇ zhenyay over ze ⁇ al ⁇ m ⁇ as- - 9 - ⁇ lava, s ⁇ glasn ⁇ iz ⁇ b ⁇ e ⁇ eniyu, ⁇ lazm ⁇ n provided nas
• the main area must be equipped with the possibility of moving to a horizontal area.
• the indicated plate is installed in order to intensify 5 heat and mass transfer between the plasma and the alloy and melt, thereby eliminating the movement of gas gases into the dispersal. With this, more efficient shredding is achieved. Due to the fact that the largest grinding effect is achieved, when the indicated plate is fully integrated, it is fully supplied with vertical non-volatile channels, and it is free from any kind of gas.
• a jaundice in the area of the cross-section may have an answer for the purpose of taking a dog.
• a good answer is the desired e-15 effect and a nice little thing to use in the alloy.
• the proposed method of processing the alloy includes the development of a low-temperature plasma flow through the use of a non-laminating agent.
• Plasma-forming agent is selected from the cell, consisting of 30 from the argon, azot, acid, hydrogen and / or mixtures.
• the proposed method of processing in addition to that, the process of processing the low-temperature plasma, is used in the process.
• the process of processing of the ritual of the glory of the locality of the 35 tons of trains is about 50% of the price of 5.0 parts of the volume of the whole world of 100 thousand.
• the main part of the low-temperature plasma is that there is a large volume of the main part of the device which is at a speed of 1,500 m / s.
• ⁇ ⁇ aches ⁇ ve ts ⁇ bav ⁇ is ⁇ lzuyu ⁇ az ⁇ s ⁇ tse ⁇ zhaschie d ⁇ bav- ⁇ i, nal ⁇ ime ⁇ chis ⁇ y az ⁇ mixture az ⁇ -a ⁇ g ⁇ n or ⁇ edva ⁇ i- ⁇ eln ⁇ shredded d ⁇ ⁇ azme ⁇ v chas ⁇ its ⁇ ⁇ l ⁇ 0, 1 mm d ⁇ ⁇ l ⁇ 1, 0 mm shla ⁇ b ⁇ azuyuschie l ⁇ isats ⁇ i, nal ⁇ ime ⁇ ⁇ sh- ⁇ i legi ⁇ uyuschi ⁇ elemen ⁇ v ( ⁇ i ⁇ ana, wolfram and friends ⁇ ), to remove, the floating staff and others.
• Plazm ⁇ - ⁇ n I provided nasats ⁇ m 5 s ⁇ etsinennym with ⁇ ts ⁇ m ⁇ lazm ⁇ na I, ⁇ b ⁇ aschennym ⁇ ⁇ as ⁇ lavu 3 and having a cross section of v ⁇ tsn ⁇ e, ⁇ susches ⁇ vu, ⁇ avn ⁇ e sh ⁇ tsn ⁇ mu section ⁇ lazm ⁇ na I in mes ⁇ e is ⁇ echeniya l ⁇ a niz ⁇ em ⁇ e ⁇ a ⁇ u ⁇ n ⁇ y llazmy 2 and tsliyaa ⁇ g ⁇ uzhaem ⁇ y in ⁇ as ⁇ lav 3 chas ⁇ i hasting 5 makes up about 0.1 cent. 0, 8 heights of the melt 3.
• the equipment offered is an option - it is possible to move the plasma I to the 5th base area.
• the described person in the balloons 7 is supplied with a file of his own.
• the device employs the use of a plasma on I, which has a phasic diagram (shown in fig.) Or a circuit with an external plasma arc, shown on ph.
• the first variant of the arc is closed by the anode and the circuit is connected to the I, which works by the inlet.
• ⁇ ⁇ mu ⁇ tsvetsen ⁇ l ⁇ zhi ⁇ elny ⁇ lyus is ⁇ chyai ⁇ a 19 with power
• the nozzle in the exit zone is equipped with a plate 21
• Small channels 23 Llits 21 may be a round or a quartz section.
• the optimum size of the channels is 23 23 - 13 - 8-10 mm.
• P ⁇ i tsiame ⁇ a ⁇ ve ⁇ s ⁇ y increase (or s ⁇ ny ⁇ vad ⁇ a ⁇ a) above 10 mm m ⁇ zhe ⁇ nablyutsa ⁇ sya ne ⁇ avn ⁇ me ⁇ naya ⁇ a- b ⁇ a ⁇ anal ⁇ v, ⁇ a ⁇ ⁇ a ⁇ gas m ⁇ zhe ⁇ ⁇ di ⁇ l ⁇ eimusches ⁇ ven- 5 n ⁇ che ⁇ ez Part ⁇ anal ⁇ v, ⁇ as ⁇ l ⁇ zhenny ⁇ with ⁇ tsn ⁇ y s ⁇ ny HA sats ⁇ a 5.
• I don’t take part in the 25th system for the cooling of the components I. I turn on the switch on the gas switch on the power off.
• Plasma I is disintegrated with NASASK 5, as a result of nasask 5 it is buried in alloy 3.
• Medica a result of nasask 5 it is buried in alloy 3.
• Medica a result of nasask 5 it is buried in alloy 3.
• Medica a result of nasask 5 it is buried in alloy 3.
• Medica a result of nasask 5 it is buried in alloy 3.
• Medicalpha The result is the cultivated zone where the process is practiced.
• EXAMPLE I In an incandescent furnace, steel is melted out of a chemical furnace with a base, mass: carbon 0, 36 / b, space 0, 29 / ⁇ - 14 - manganese 0, 61%. Then, the alloy is distributed in a different capacity of 160 kg and with a lifting mechanism and a space for displacing the plasma. Turns off the plasma on the next 5 mode: arc current 350 ⁇ , flame source gas (argon) 3, 2 g / s. Then, the bulk plasma is deepened into the 60 mm alloy and the sample is processed for 10 minutes. After this, the metal liquefied. At the same time, they fill in the methods for exploring the mechanical properties.
• the investigated steel after the plasma processing has a low content of hydrogen - 0.00065, which is noticeably lower than the original metal, at the cost of 000, it is 0.00065.
• Manufacturing processes are used to discolor out the wear and tear of industrial alloys, which is easy to use, and is chemically pure,% wt.: Carbon 1, 10, manganese 12.20, brown 0.83%.
• the alloy is dispensed into the bottled one, which has a capacity of 160 kg, which in turn carries out its alloying with nitrogen from the plasma train, which is buried in the main part of the region. - 15 - ⁇ a.
• the plasma includes the following mode: arc current 300 ⁇ , discharge of the plasma-forming gas (nitrogen) 4.5 g / s. 5
• the lower part is nasaska deepening into the metal by 50-60 mm.
• a good mode of processing ensures efficient stirring of metal and gas, which ensures a high degree of growth of the economy.
• the chemical composition of the metal after 12 minutes of production comprising:
• ⁇ of an industrial furnace melts cast iron as follows: chemical composition, mass: carbon - 3, 98, extreme - 0, 91 $, manganese - 0, 52, ⁇ - 0, ⁇ , sera - 0, 026 #. From lie down
• Rasplav is dispensed in a bottled one with a capacity of 160 kg.
• the metal processor is pre-processed with a temperature of ⁇ 260 ° ⁇ . Procured to work in the area and to put in place the national fusion.
• gas enters the gas (95) and acid (5%). 5
• Immerse the nozzle in the alloy to a depth of 70-80 mm. At the same time, it is replaced in the alloy through plasma, it receives slag-forming additives in the form of finely divided additives (the particle size is chosen from the condition of the appliance)
• the total yield of the product is 13 kg / t.
• the particles of the particle which pass through the plasma arc, fall into the alloy in the alloy or in the molten state. ⁇ From the outside, the conditions for an efficient transition are
• the waste is processed by the slag, the oxidation and the pouring of the metal.
• the product from this product may be used in the manufacture of conventional iron and steel alloys and alloys, which

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Plasma & Fusion (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Materials Engineering (AREA)
• Metallurgy (AREA)
• Geology (AREA)
• Manufacturing & Machinery (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Environmental & Geological Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Organic Chemistry (AREA)
• General Engineering & Computer Science (AREA)
• Treatment Of Steel In Its Molten State (AREA)
• Furnace Details (AREA)
• Gasification And Melting Of Waste (AREA)
• Treatment Of Fiber Materials (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)

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• 1985
  • 1985-08-16 DE DE19853590837 patent/DE3590837T1/de active Pending
  • 1985-08-16 DE DE3590837A patent/DE3590837C2/de not_active Expired
  • 1985-08-16 WO PCT/SU1985/000071 patent/WO1987001137A1/ru active IP Right Grant
  • 1985-08-16 GB GB8708931A patent/GB2189508B/en not_active Expired - Lifetime
  • 1985-08-16 JP JP60504830A patent/JPS63500043A/ja active Granted
• 1987
  • 1987-04-15 FI FI871665A patent/FI81383C/fi not_active IP Right Cessation
  • 1987-04-15 SE SE8701578A patent/SE8701578D0/xx not_active Application Discontinuation

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