Claims
- 1. In a gas duct or pipeline of the type including a pipe having a gas conveying interior therein, said gas conveying interior having longitudinally passing therethrough an explosive gas or a gas mixture including an explosive gas component, particularly for use in supplying an installation alternately with an inflammable gas and an oxygen-containing gas, said installation including equipment capable of igniting an explosive gas; the improvement comprising:
- means for limiting, in the longitudinal direction of said pipe, the velocity of propagation and pressure of an explosion of said gas occurring within said gas conveying interior of said pipe, said means consisting essentially of a hollow cylindrical loose gas displacement body formed of an elastic, resilient, noncombustible mineral wool material loosely positioned within said gas conveying interior of said pipe along substantially the entire length thereof, said displacement body having a transverse cross-sectional area substantially smaller than the transverse cross-sectional area of the interior of said pipe, and said displacement body having surfaces, extending in said longitudinal direction of said pipe, which are spaced from longitudinally extending inner surfaces of said pipe, whereby said displacement body fills a portion only of the volume of said gas conveying interior of said pipe, taken in a direction transverse to the direction of flow therethrough of said gas.
- 2. The improvement claimed in claim 1, wherein the outer diameter of said cylindrical displacement body is approximately two-thirds of the internal diameter of said pipe.
- 3. The improvement claimed in claim 1, wherein said hollow cylindrical displacement body has an internal diameter approximately equal to one half the external diameter thereof.
- 4. The improvement claimed in claim 1, wherein said displacement body is divided into separate elements along a plane extending longitudinally of said pipe and said body.
- 5. The improvement claimed in claim 4, further comprising truss means wrapped externally around said separate elements.
- 6. The improvement claimed in claim 1, wherein said displacement body comprises a plurality of separate partial bodies loosely inserted in serial succession in end-to-end abutting relationship longitudinally within said gas conveying interior of said pipe.
- 7. The improvement claimed in claim 6, wherein each of said partial bodies has a length of approximately one meter.
- 8. In a gas duct or pipeline of the type including a pipe having a gas conveying interior therein, said gas conveying interior having longitudinally passing therethrough an explosive gas or a gas mixture including an explosive gas component, particularly for use in supplying an installation alternately with an inflammable gas and an oxygen-containing gas, said installation including equipment capable of igniting an explosive gas; the improvement comprising:
- means for limiting, in the longitudinal direction of said pipe, the velocity of propagation and pressure of an explosion of said gas occurring within said gas conveying interior of said pipe, said means consisting essentially of a hollow cylindrical loose gas displacement body formed of an elastic, resilient, noncombustible glass wool material loosely positioned within said gas conveying interior of said pipe along substantially the entire length thereof, said displacement body having a transverse cross-sectional area substantially smaller than the transverse cross-sectional area of the interior of said pipe, and said displacement body having surfaces, extending in said longitudinal direction of said pipe, which are spaced from longitudinally extending inner surfaces of said pipe, whereby said displacement body fills a portion only of the volume of said gas conveying interior of said pipe, taken in a direction transverse to the direction of flow therethrough of said gas.
- 9. The improvement claimed in claim 8, wherein the outer diameter of said cylindrical displacement body is approximately two-thirds of the internal diameter of said pipe.
- 10. The improvement claimed in claim 8, wherein said hollow cylindrical displacement body has an internal diameter approximately equal to one half the external diameter thereof.
- 11. The improvement claimed in claim 8, wherein said displacement body is divided into separate elements along a plane extending longitudinally of said pipe and said body.
- 12. The improvement claimed in claim 11, further comprising truss means wrapped externally around said separate elements.
- 13. The improvement claimed in claim 8, wherein said displacement body comprises a plurality of separate partial bodies loosely inserted in serial succession in end-to-end abutting relationship longitudinally within said gas conveying interior of said pipe.
- 14. The improvement claimed in claim 13, wherein each of said partial bodies has a length of approximately one meter.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2416358 |
Apr 1974 |
DE |
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Parent Case Info
This is a continuation, of application Ser. No. 562,155, filed Mar. 26, 1975, now abandoned.
US Referenced Citations (8)
Foreign Referenced Citations (3)
Number |
Date |
Country |
604,164 |
Aug 1960 |
CA |
616,728 |
Mar 1961 |
CA |
616,732 |
Mar 1961 |
CA |
Continuations (1)
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Number |
Date |
Country |
Parent |
562155 |
Mar 1975 |
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