JPS60126589U

JPS60126589U - excavation tower

Info

Publication number: JPS60126589U
Application number: JP1121484U
Authority: JP
Inventors: 恵木　一昭; 豊植田
Original assignee: 三菱重工業株式会社
Priority date: 1984-01-31
Filing date: 1984-01-31
Publication date: 1985-08-26

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図および第２図はそれぞれ公知の石油掘削やぐらを
示す側面図、第３図は本考案の一実施念　　。例を示す部分縦断側面図、第４図は第３図のＩＶ−■に
沿った横断面図である。１・・・掘削やぐら、２ａ・・・二重壁、３ａ・・・エ
ア七−夕、４・・・送風機、５・・・供給ダクト、６・
・・供給口、７・・・吸気口、８・・・吸気ダクト。Figures 1 and 2 are side views showing a known oil drilling tower, respectively, and Figure 3 is an example of an implementation of the present invention. FIG. 4 is a partially vertical side view showing an example, and FIG. 4 is a cross-sectional view taken along IV--■ in FIG. 3. 1... Excavation tower, 2a... Double wall, 3a... Air Tanabata, 4... Blower, 5... Supply duct, 6.
... Supply port, 7... Intake port, 8... Intake duct.

Claims

[Scope of utility model registration request]

A double wall with an airtight structure consisting of an inner wall and an outer wall that surround the outer periphery of the excavated tower and are parallel to each other with an appropriate gap, an intake port that opens at an appropriate location on the inner wall, and one end of the double wall. an intake duct that communicates with the lower part and has the other end communicating with the suction port of the blower; a supply duct whose lower end communicates with the discharge port of the blower and whose upper end extends along the inner wall and has supply ports opening here and there; An excavation tower comprising: an air heater inserted into a supply duct.