JPH0211602U - - Google Patents
Info
- Publication number
- JPH0211602U JPH0211602U JP8611288U JP8611288U JPH0211602U JP H0211602 U JPH0211602 U JP H0211602U JP 8611288 U JP8611288 U JP 8611288U JP 8611288 U JP8611288 U JP 8611288U JP H0211602 U JPH0211602 U JP H0211602U
- Authority
- JP
- Japan
- Prior art keywords
- liquid nitrogen
- rolling mill
- steel pipe
- manufacturing apparatus
- seamless steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Metal Extraction Processes (AREA)
Description
第１図は本考案の熱間継目無鋼管の製造装置の
一例を示す平面図、第２図はホローシエル内への
液体窒素供給手段の一例を示す詳細構成図である
。
図中、１：穿孔圧延機、２：延伸圧延機、３：
横送りテーブル、４：液体窒素供給手段。
FIG. 1 is a plan view showing an example of a hot seamless steel pipe manufacturing apparatus of the present invention, and FIG. 2 is a detailed configuration diagram showing an example of means for supplying liquid nitrogen into a hollow shell. In the figure, 1: piercing rolling mill, 2: stretching rolling mill, 3:
Transverse feed table, 4: Liquid nitrogen supply means.
Claims (1)
て延伸機２が設けられた熱間継目無鋼管の製造装
置において、前記横送りテーブル３の一側に、前
記穿孔圧延機１で穿孔圧延されて送給されてくる
ホローシエル内へ液体窒素を投入する液体窒素供
給手段４を設けたことを特徴とする熱間継目無鋼
管の製造装置。 In a hot seamless steel pipe manufacturing apparatus in which a drawing machine 2 is provided next to a piercing rolling mill 1 via a cross-feeding table 3, one side of the cross-feeding table 3 is pierced and rolled by the piercing rolling mill 1. 1. A hot seamless steel pipe manufacturing apparatus, characterized in that a liquid nitrogen supply means 4 is provided for injecting liquid nitrogen into a hollow shell that is supplied with liquid nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8611288U JPH0211602U (en) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8611288U JPH0211602U (en) | 1988-06-29 | 1988-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0211602U true JPH0211602U (en) | 1990-01-24 |
Family
ID=31310756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8611288U Pending JPH0211602U (en) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0211602U (en) |
-
1988
- 1988-06-29 JP JP8611288U patent/JPH0211602U/ja active Pending
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