Records of Steam Boiler ExplosionsMarten, Edward Bindon
History
Records of Steam Boiler Explosions
Marten, Edward Bindon
Steam-boiler explosions
Two flued, 28ft. long, 6ft. 9in. diameter, slightly oval; plates 3/8
inch; tube 2ft. 8in. diameter, pressure 45 lbs. Shell had once been
externally fired. Rent along the seams which were in one line, and a
large piece of the plate blew away, leaving tubes uninjured. The cause
of explosion was defective form and worn out state of shell.
_No. 15. Weymouth. (Fig. 6.) March 12th. 1 killed, 3 injured._
[Illustration: _Fig. 6._]
Agricultural, 45 lbs. pressure. Fire-box blew off, and the outer shell
separated from it. The cause of explosion was over-pressure from the
safety valve being screwed down.
_No. 16. Lynn. (Fig. 7.) March 19th. 8 killed, 4 injured._
[Illustration: _Fig. 7._]
Agricultural, 45 lbs. pressure. Fire-box and tubes blew out. The cause
of explosion was over-pressure, as the safety valve was tied down with
string.
_No. 17. Blackbraes. March 23rd. 3 killed, 1 injured._
Colliery Boiler, 30 lbs. pressure. Rent in two while the engine was
standing, but no details obtained.
_No. 18. Barnsley. (Fig. 8.) March 29th. 2 killed, 2 injured._
[Illustration: _Fig. 8._]
Small plain Cylinder, with ends nearly flat, 4ft. 7in. long, 2ft. 4in.
diameter, plates 3/16 inch. No emptying plug or feed-pipe, and only a
very small hand-hole. Front end attached by slight angle iron, which
gave way, leaving the shell unmoved. The cause of explosion was the
internal corrosion of front end owing to very bad water being used. The
plates were reduced to a knife edge in line of fracture.
_No. 19. Cornwall. (Fig. 9.) April 10th. 1 killed, 1 injured._
[Illustration: _Fig. 9._]
Cornish, one tube 32ft. long, 6ft. diameter, tube 3ft. 10in. diameter,
plates 3/8 inch, pressure 25 to 40 lbs. It was 20 years old, but just
repaired and reset. Furnace tube failed and collapsed from one end to
the other, except about 4 feet of front, owing to its weakness, being
unstrengthened by hoops or cross tubes.
_No. 20. Belfast. (Fig. 10.) April 20th. 1 killed, 2 injured._
[Illustration: _Fig. 10._]
Plain Cylinder, 6ft. long, 2ft. 5in. diameter, plates 1/4 inch,
pressure 90 lbs. The end blew out from excessive pressure, as the
escape from the safety valve was prevented by a plug in the exit pipe.
_No. 21. Birmingham. (Fig. 11.) May 9th. 2 injured._
[Illustration: _Fig. 11._]
Plain Cylinder, 3ft. 2in. long, 1ft. 8in. diameter, plates 5/16 inch,
pressure 30 lbs. Workmanship and material very inferior. Piece of top
ripped out from manhole and allowed manlid to blow out through manhole.
The cause of the explosion was, the large manhole and over-pressure.
The safety valve was too small, and very roughly made.
_No. 22. Hartlepool. (Fig. 12.) May 10th. 1 killed, 1 injured._
[Illustration: _Fig. 12._]
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