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US687413A - Steam-boiler - Google Patents
HOT
Capacity:1-20t/h
Rated thermal efficiency: 100-104%
Fixed working pressure: ≤1.6MPa
Applicable fuel:natural gas etc.
HOT
Capacity:0.7-14MW
Rated thermal efficiency:96-98%
Fixed working pressure:≤1.25MPa
Applicable fuel:Natural gas, light oil, etc.
HOT
Capacity:0.7-2.8Mw
Rated thermal efficiency: 97.2-106%
Fixed working pressure:0.1MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:2.8-7.0Mw
Rated thermal efficiency:≥105.5%
Fixed working pressure:-0.02MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:99Kw
Rated thermal efficiency:97.2-104.4%
Fixed working pressure:1.0MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:0.5-4.0 t/h
Rated thermal efficiency:98%
Fixed working pressure:≤1.25MPa
Applicable fuel:electric energy
horizontal return tubular boiler. [ ‚här·ə′zänt·əl ri′tərn ¦tü·byə·lər ′bȯil·ər] (mechanical engineering) A fire-tube boiler having tubes within a cylindrical shell that are attached to the end closures; products of combustion are transported under the lower half of the shell and back through the tubes. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The …Get Price
Fire-Tube Boilers Return-Tube Boilers Horizontal Many Small Fire Tub…Get Price
US458413A US458413DA US458413A US 458413 A US458413 A US 458413A US 458413D A US458413D A US 458413DA US 458413 A US458413 A US 458413A Authority US United States Prior art keywords steam tubes shell boiler water Prior art date Kefid Legal status (The legal status is an assumption and is not a legal conclusion.Get Price
Definitions Points of Interest egg-ended boiler: an early form of tubular wagon boiler, with hemispherical ends to support higher pressures.; Elephant boiler: an early multi-cylindered wagon boiler, popular in France.; express boiler: another term for small-tube water-tube boilers, on account of their high ratio between heating surface area and water volume, and thus their rapid …Get Price
With this steam boiler, therefore, steam can be produced safely and efliciently even from conventional 3,236,211 Patented Feb. 22, 1966 ACe water, if …Get Price
May 05, 2012 · Power plant 1. Steam Power Plant UNIT 2 STEAM POWER PLANT Structure 2.1 Introduction Objectives 2.2 Basic Consideration in the Analysis of Power Cycles 2.3 Steam Generator 2.4 Super Heater 2.5 Feed Water Heater 2.6 Furnaces 2.7 Energy Performance Assessment of Boilers 2.8 Steam Turbines 2.9 Condenser 2.10 Cooling Tower 2.11 Steam …Get Price
Chapter 4 STEAM BOILERS 4-1. 5-11.Functions of boiler 4-2. Classification of boilers 4-3. 5-13.Terms commonly employed in connection with boilers 4-4. Lancashire boiler Construction of Lancashire boilers 4-5. Cornish boiler 4-6. Kefid.Multi-tubular fire tube boilers 4-7. Horizontal return tubular boilers 4-8. 5-15.Locomotive boiler 4-9 Get Price
Oct 03, 2015 · In France an important application of such a boiler was made in 1879, by the fitting of Belleville boilers to a despatch vessel which was employed on actual sea service to a considerable extent, and her boilers were reported to have given satisfaction, so that from this time there was a gradual extension of the use of this type in the French Get Price
US497432A US497432DA US497432A US 497432 A US497432 A US 497432A US 497432D A US497432D A US 497432DA US 497432 A US497432 A US 497432A Authority US United States Prior art keywords tubes boiler water drums steam Prior art date Kefid Legal status (The legal status is an assumption and is not a legal conclusion.Get Price
Fire tube boilers are classified as follows: External Furnace (a) Horizontal return tubular (b) Short fire box (c) Compact. Internal Furnace Horizontal Tubular (a) Short firebox (b) Locomotive (c) Compact (d) Scotch. Vertical Tubular (a) Straight vertical shell, vertical tube (b) Cochran (vertical shell) horizontal tube.Get Price
In that case, during supply of one half of the 14 MW turbine hot exhaust gases, and boiler load, the temperature of outlet fl ue gases would be 155 C, …Get Price
US1486888A US643781A US64373123A US1486888A US 1486888 A US1486888 A US 1486888A US 643781 A US643781 A US 643781A US 64373123 A US64373123 A US 64373123A US 1486888 A US1486888 A US 1486888A Authority US United States Prior art keywords boiler heat chamber water steam Prior art date Kefid Legal status (The legal status is an …Get Price
firetube boilers used with coal are the horizontal return tubular (HRT), Scotch, vertical, and the firebox. Cast iron boilers are also sometimes available as coal-fired units in a handfed configuration. The HRT boilers are generally fired with gas or oil instead of coal. The boiler and furnace are contained in the same shell in a Scotch or Get Price
The extent of the decomposition of the carbonate depends upon the temperature, or steam pressure, and the partial pressure of the carbon dioxide. In a boiler the steam carries away the carbon dioxide, favoring the formation of the hydrate. Boilers have been found where over 90 per cent of the sodium carbonate has been changed to sodium hydroxide.Get Price
Sep 17, 2018 · Horizontal-return-tubular boilers having continuous longitudinal lap seams more than 12 feet in length, shall have a factor of safety of eight. When this type of boiler is removed from its existing setting, it shall not be reinstalled for pressures in excess of 15 psig.Get Price
Dec 27, 2013 · The boiler tubes extend to one side of each drum. "D" type boilers generally have more tube surface exposed to the radiant heat than do other designs. Prepared by: Mohammad Shoeb Siddiqui Sr. Shift Supervisor 37. Packaged Boiler "O" design boilers have a single steam drum and a single mud drum.Get Price
The water is heated by means of tubular heaters which are placed on top of the boiler. The pump, with its valves, is situated at the side of the boiler, and is controlled from the locomotive cab. To the left of the feed- water heater steam pump is shown a small steam turbine and electric generator for supplying current to the headlights at Get Price
-Return Tubular - Horizontal return tubular boiler (HRT) has a horizontal cylindrical shell, containing several horizontal flue tubes, with the fire located directly below the boiler's shell, usually within a brickwork setting-Through tube. This boiler is made up of the same parts as the return tube, the main difference is that of arrangementGet Price
boiler has also two main categories such a s horizontal tubular and vertical tubular fire tube boiler. Normally horizontal return fi re tube boiler is used in thermal power plant of low capacity Get Price
US1172401A US86403514A US1914864035A US1172401A US 1172401 A US1172401 A US 1172401A US 86403514 A US86403514 A US 86403514A US 1914864035 A US1914864035 A US 1914864035A US 1172401 A US1172401 A US 1172401A Authority US United States Prior art keywords steam drum boiler coils casing Prior art date Kefid Legal status (The legal …Get Price
The utility model discloses a D-shaped boiler cavity, which comprises a cavity body with a D-shaped horizontal section. A double-whirl mixing burner is arranged on the front portion of the cavity body. The burner comprises a gas ring pipe, an air ring pipe sleeved outside the gas ring pipe and an ignition device arranged on the inner ring of the gas ring pipe.Get Price
firetube boilers used with coal are the horizontal return tubular (HRT), Scotch, vertical, and the firebox. Cast iron boilers are also sometimes available as coal-fired units in a handfed configuration. The HRT boilers are generally fired with gas or oil instead of coal. The boiler and furnace are contained in the same shell in a Scotch or Get Price
A boiler in which that has been inspected & declared unsafe to operate or disqualified stamped & & double strap construction – 6, 5 marked indicating its rejection - condemned 343. The age limit of a horizontal return, flue or cylinder boiler having a longitudinal lap joint & operating 322.Get Price
Apr 03, 2017 · Fire tube boilers are also known by certain common names- i) Horizontal return tubular ii) Locomotive fire box iii) Scotch marine and, iv) Vertical tubular 9. b) Water tube Boiler: The water passes through the tubes and the hot gases produced by combustion of fuel, flow outside. This type of Boilers designated by the following common names: i Get Price
US234986A US234986DA US234986A US 234986 A US234986 A US 234986A US 234986D A US234986D A US 234986DA US 234986 A US234986 A US 234986A Authority US United States Prior art keywords boiler boilers steam supplemental space Prior art date Kefid Legal status (The legal status is an assumption and is not a legal conclusion.Get Price
horizontal return tube boiler – Industrial Boiler SupplierGet Price
US2387103A US523386A US52338644A US2387103A US 2387103 A US2387103 A US 2387103A US 523386 A US523386 A US 523386A US 52338644 A US52338644 A US 52338644A US 2387103 A US2387103 A US 2387103A Authority US United States Prior art keywords boiler steam armature plates pressure Prior art date Kefid Legal status (The legal status is an …Get Price
Externally fired boilers have a separate furnace built outside the boiler shell and usually below it. The horizontal return tube (HRT) boiler is probably the mostGet Price
Fired boilers that are most prevalent in industry are either fire tube boilers or water tube boilers. 4.2.2 Fire Tube Boiler A fire tube boiler consists of a drum with a tube sheet on each end in which the fire tubes are fastened. Water is contained within the drum surrounding the fire tubes.Get Price
US622352A US622352DA US622352A US 622352 A US622352 A US 622352A US 622352D A US622352D A US 622352DA US 622352 A US622352 A US 622352A Authority US United States Prior art keywords steam water boiler tubes fire Prior art date Kefid Legal status (The legal status is an assumption and is not a legal conclusion.Get Price
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