SU369145A1 - - Google Patents
Info
- Publication number
- SU369145A1 SU369145A1 SU1408496A SU1408496A SU369145A1 SU 369145 A1 SU369145 A1 SU 369145A1 SU 1408496 A SU1408496 A SU 1408496A SU 1408496 A SU1408496 A SU 1408496A SU 369145 A1 SU369145 A1 SU 369145A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- tuyere
- metal
- potential difference
- slag
- lance
- Prior art date
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Furnace Charging Or Discharging (AREA)
Description
1one
Известны способы контрол границы раздела Металл - газ путем измерени э.д.с., В0з«и;кающей при контакте изолироваиного от земли проводника и границы растлавленноло металла.Methods are known for controlling the Metal-Gas interface by measuring the emf, B0z "and; repentant at the contact of a conductor isolated from earth and the boundary of a molten metal.
При использовании этих способов дл контрол положени фурмы нео-бходимо изолировать фурму от металлоко1нстру1кций цеха, что св зано с различными затруднени 1ми и не гарантирует от случайных коитактов.When using these methods to control the position of the tuyere, it is necessary to isolate the tuyere from the metalwork of the workshop, which is associated with various difficulties and does not guarantee against accidental co-tacts.
Предложенный способ не требует изол ции фурмы и состоит в измерении разности потенциалов, возникающей в одном из подвод щих шлангов неизолированной фурмы в резу,1ьтате протекани по нему части тока, вызванного термо-э.д.с. цепи фурма - расплав - кладка - фурма.The proposed method does not require isolation of the tuyere and consists in measuring the potential difference arising in one of the supply hoses of the uninsulated tuyere during cutting, during which part of the current flowing through it caused by thermo-emf. chain lance - melt - masonry - lance.
Измерение облегчаетс тем, что в качестве одного из токосъемников подключают второй ПОДВОДЯЩИЙ шланг, изолированный от своего водовода. Это дает возможность подсоедин ть провода измерительного прибора только к неподвижным элементам конструкции фурменного устройства.The measurement is facilitated by the fact that, as one of the current collectors, they connect a second SUPPLY hose insulated from its conduit. This makes it possible to connect the wires of the measuring device only to the fixed structural elements of the tuyere device.
При нахождении фурмы над поверхностью шлака разность потенциалов на шланге равна нулю; соприкосновение фурмы со шлаком вызывает по вление разности потенциалов 2-3 мв при погружении фурмы в металл пол рность сигнала измен етс на обратную и составл ет 10-15 мв. Использоваиие предложенного способа позвол ет контролировать полол ение фурмы с погрешностью ±15 мм.When the tuyere is located above the slag surface, the potential difference on the hose is zero; the contact of the tuyere with the slag causes a potential difference of 2-3 mV when the tuyere is dipped into the metal, the polarity of the signal is reversed and is 10-15 mV. The use of the proposed method allows controlling the lance of the tuyere with an accuracy of ± 15 mm.
10ten
Предмет изобретени Subject invention
Способ контрол положени фурмы относительно поверхности шлака и металла в сталеплавильном агрегате путем использовани разности потенциалов, возникающей на грзиицах раздела фурма - шлак - металл - кладка, отличающийс тем, что, с целью упрощени контрол , измер ют П1адение напр жени на низкоомном сопротивлении, например на одном из подвод щих шлангов неизолированной фурмы.The method of controlling the position of the tuyere relative to the surface of the slag and metal in the steel-smelting unit by using the potential difference arising on the edge of the tuyere-slag-metal-masonry section, characterized in that, to simplify the control, the voltage is measured at low resistance, for example one of the supply hoses of an uninsulated tuyere.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1408496A SU369145A1 (en) | 1970-03-10 | 1970-03-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1408496A SU369145A1 (en) | 1970-03-10 | 1970-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU369145A1 true SU369145A1 (en) | 1973-02-08 |
Family
ID=20450317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1408496A SU369145A1 (en) | 1970-03-10 | 1970-03-10 |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU369145A1 (en) |
-
1970
- 1970-03-10 SU SU1408496A patent/SU369145A1/ru active
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