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" Scale and sediment should be frequently removed. In tubular boilers particularly, the handhole or manhole should be frequently opened and the sediment removed from the portion of the plate over the furnace. Care should be taken to keep the boiler as free... "
A Textbook on Steam Engineering ... - Σελίδα 17
1902
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How to Manage a Steam-engine

Manfred Powis Bale - 1880 - 132 σελίδες
...filling up again. Cold water pumped into hot boilers is very injurious, from sudden contraction. 7. Exterior of Boiler. — Care should be taken that...exterior of the boiler, either from leaky joints or other causes. 8. Removing Deposit and Sediment. — In tubular boilers the hand-holes should be often opened,...

Annual Report of the Department of Inspection of Workshops ..., Τόμος 3

Ohio. Department of Inspection of Workshops, Factories and Public Buildings - 1887 - 314 σελίδες
...before filling again. Cold water pumped into hot boilers is very injurious from sudden contraction. Care should be taken that no water comes in contact...exterior of the boiler, either from leaky joints or other causee. In tubular boilers the band-boles should be often opened, and all collections removed from...

The Colliery Engineer Pocket-book of Principles Rules, Formulæ, and Tables ...

Thomas J. Foster - 1891 - 444 σελίδες
...serious weaknesses, and sometimes explosions are the result of such an action. 18. Dampness.— Take care that no water comes in contact with the exterior of the boiler from any canse, as it tends to corrode and weaken the boiler. Beware of all dampness in seatings or...

Edison's Handy Encyclopædia of General Information and Universal Atlas ...

1893 - 528 σελίδες
...again. Cold water, pmaped Into hot boilers Is very Injurious from sudden contraction. 7. EXTERIOR OP BOILER.— Care should be taken that no water comes In contact with the exterior of the boUer, either from leaky Joints or other causes. 8. REMOVING DEPOSIT AND SEDIMENT.— In tubular boilers,...

A Manual of Steam-boilers: Their Design, Construction, and Operation ...

Robert Henry Thurston - 1896 - 1000 σελίδες
...weaknesses and sometimes explosions, are the result of such an action. 18. Dampness. — Take care that no water comes in contact with the exterior of the boiler from any cause, as it tends to corrode and weaken the boiler. Beware of all dampness in seatings or...

Heat, steam and steam engines, steam boilers, locomotives

International Correspondence Schools - 1899 - 678 σελίδες
...Cleaning. — All heating surfaces should be kept free from soot and dirt. Tubes should be often cleaned. 14. Exterior of Boiler. — Care should be taken that...corrosion. 15. Blisters and Cracks. — A blister should be at once examined, and trimmed or patched. If a plate is badly cracked it should be renewed. 16. Fusible...

A Textbook on Marine Engineering ...: Steam and Steam Boilers, Steam Engines ...

International Correspondence Schools - 1900 - 614 σελίδες
...All heating surfaces should be kept free from soot and dirt. Tubes should be often cleaned out. 11. Exterior of Boiler. — Care should be taken that...the boiler. Dampness leads to external corrosion. 12. Blisters and Cracks. — A blister should be at once examined and trimmed or patched. If a plate...

The Scientific American Cyclopedia of Receipts, Notes and Queries

Albert Allis Hopkins - 1901 - 734 σελίδες
...filling up again. Cold water pumped into hot boilers Is very injurious, from sudden contraction. 7. Exterior of Boiler.— Care should be taken that no...exterior of the boiler, either from leaky joints or other causes. K. Removing Deposit and Sediment.— In tubular boilers the hand holes should be often opened,...

Steam Boilers, Steam Pumps

1902 - 678 σελίδες
...check-valve every time the boiler is filled; a leakage from either may lead to serious results. 7. Filling Up. — Allow the boiler to become cold before pumping...patched. If a plate is badly cracked, it must be renewed. 16. Fusible Plugs. — Fusible plugs should be examined when the boiler is cleaned and scraped clean...

International Library of Technology: A Series of Textbooks for ..., Τόμος 7

1902 - 676 σελίδες
...off, and it should indicate the blowing-off pressure when the safety valve is in action. If the-gauge does not do this, it should be compared with the standard...patched. If a plate is badly cracked, it must be renewed. 16. Fusible Pings. — Fusible plugs should be examined when the boiler is cleaned and scraped clean...




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