SLAG DART
The present invention relates to a slag dart, comprising a head and a sleeve. The head comprises: a coupling hole positioned on a center; a tensioning groove communicated with the coupling hole; and a refractory material. The sleeve comprises: a steel core; a screw rod integrally formed with the ste...
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | The present invention relates to a slag dart, comprising a head and a sleeve. The head comprises: a coupling hole positioned on a center; a tensioning groove communicated with the coupling hole; and a refractory material. The sleeve comprises: a steel core; a screw rod integrally formed with the steel core; and an other refractory material to cover the steel core. The sleeve is inserted and assembled in a tensioning groove of the head; and the refractory material inside the head includes only iron particles with an average diameter less than or equal to 30 mm. According to an embodiment of the present invention, provided is the slag dart which is easy to be manufactured, has excellent restoring force, and can minimize an amount of slag elution.
헤드 및 슬리브로 구성되는 슬래그 다트에 있어서, 상기 헤드는 중앙에 위치한 결합공, 상기 결합공과 연통되는 요입홈 및 내화물로 구성되고, 상기 슬리브는 강철 심재, 상기 강철 심재와 일체로 형성된 나사봉, 상기 강철 심재를 둘러싸는 또다른 내화물로 구성되고, 상기 슬리브는 상기 헤드의 요입홈에 끼움 조립되고, 상기 헤드 내 내화물은 평균 입경이 30mm 이하의 철 입자만을 포함하는 슬래그 다트가 제공된다. |
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