*Page 10
THE CHINA MAIL, THURSDAY MAX 23, 1980.
WORTHINGTON
"PUMP HEADQUARTERS"
*
CENTRIFUGAL
POWER
STEAM ROTARY
MARINE
PUMPD-COMPRESSORS-DIESEL ENGINES “
STEAM POWER EQUIPMENT-CONSTRUCTION EQUIPMENT.
Agents:
ENGINEERING PAGE
BRITISH DUAL-FUEL
fairly high calorific operation.
ANDERSEN, MEYER & COMPANY, LTD. devoted considerable at: expenditure and incult to a le dia, pour les
David House
Tel. 28091
aces
ARNHOLD & CO., LTD.
HOLLAND HOUSE
HONG KONG
BASSOON HOUSE
SHANGHAI
SOLE AGENT FOR-
BRITISH OIL ENGINES (EXPORT) LTD.
OIL ENGINES
TYPE A.V.
COMPRESSION
IGNITION
Better
พาร
COLD STARTING
4. CYCLE 3-10 B.ILP.
Single & Twin
Cylinder
with.
Full Speed &
Half Speed Shaft
5 and 10 B.H.P. Eng.nea Running at 1,500 MP.MÎ, CAN NOW BE DELIVERED FROM
STOCK IN THE COLONY
Ja
ENGINES
fuel to ignite the gas-air mix-
For Installations which are
tion rating when running. on of users who have giroady in British manufacturers' BoWaNG gas (methane), town's stalled these chanto-over fit tura, of prime movers, in ad- gas, or natural gas, all of which times report no diffulty in the Intended to serve as standby dition to developing now have
value. When running, on pro Aminently satisfactory, re- plant, and which have to bo up umadiately on industrial and propulsive ducer gan, however, it is neces-sults and operating economies started
achieved by the fallure of the main electric power units, notably they to derate the normal out- have been
put by 10 per cent.
adaptation of the English Elec- supply system, automatic start gas turbine have also in countries where fuel olt is tric typo, RK diesel engines to ing equipment can be supplled.
Such automatic starting climinales the in- The design of these industrial equipment ls
it many evitable delays and dislocationa engines han behind
power supply years' experiorice derived from which, follow à
DA cicntial services the well-known and widely used fallure,
bo They are, cah.
restored almost K range of engines. however, a new design, suitable immediately. for operation at higher ratational Waste heat utilised speeds.
As far as is possible, conslatent with the requirements of roll- ability and durability, components employed for the RK engine ve beau made interchangeable with those used on SV. type engines, which are unilt in powers from 1,200 to 1,000 B.H.P.
tain, the duol-fus) ending tention to the adaptation rapidly coming to the fare as a
moons of generating power. of existing types of power much casex the Conging is plant with a view to im-operated in conjunction with
gan producer, which is utllised wood refine, proving, both their effi- for braing ciency and versatility in ground-nut huska, etc., in fact, any type of fuel which is cheap all classes of servico. and readily accessible.
British practice
With this type of fuel the calorific value is usually some
and 140 where between. 120
and the rating B.Th.U./cu.ft. of the engine is 10 per cent below
British Specification rating at normal temperature and pressure.
tho
Standard
con-
An apt example of the lat- ter trend is the recent appear- ance of the dual-fuel engine of the English Electric Co.. Ltd., in which very simplu equipment is Aited to the cylinder heads of the makers standard ranges of diesel en- gines, enabling these to operate Some Industrial establish- ither as straight diesels or as ments in Britain are now util-
in duni-fuel units burning gas of feing gas producers
junction with dual-fuel engines oll, whichever may be desired,
elec- For dual-fuel operation.
ns a means of generating the
where large normal fuel-injection equipment trielty, especially
wood refuse to gmptities of in these engines is utilised
available. provide a pilot infection of fuð to iguite the gas. The additional parts consist of specially dever loped gas admission valves which are fitted to the cylinder heads and linked up with the governor.
The supplementary easily accessible and adjustable, close und in so arranged that governing is possible bolh on oll and on gas and oil.
The compression ratio of the modified engine is us for. à standard diesel engine, similar results also being shown for B.M.E.P. exhaust, oil, and water temperatures as for the nor mal diesel engine at full load.
Keur
Fuel consumption The quantity of fuel oil re- quired for pliot injection pur- approxi- varles fran poses imately 5 to 10 per cent, of the BATU, of the gas consumed. The average combined fuel con- sumption at full load is approxi- mately 7200 B.Th.U./B.H.P./hr.
પ
The autambtle 'starting system carries out adequately the opera tions associated with the prlining starting, and loading of the nat and incorporates the protective devices necessary for unattended operation.
With combined jacket and exhaust heat recovery, an over- all thermal efficiency of 80 per
may be of cent.
realised under favourable 'conditions. The makers have installed a number waste-heat recovery plants of with conspicuous success..
The usual method of coupling an alternator or generator to the engine is to to bolt the flange of the rotor or armature shaft to the machined face of the flywheel.
Where a supply of hot water or.atean is required for heating Fów spares needed
or process purposes, it is often to effect substantial While this point is of little possible
by utilising the significance to the operators of economies relatively small installations, waste heat in the Jacket water is of considerable interest to and/or exhaust gases of these
ongines. operators of Iorgo numbers 01 diesel plant, bocatie it enables small, stock of ona relatively spares to cover, adequately the
requirements majatenahco Are
195 Krom engines ranging In tuch cases It is always B.H.P. to 1,000 B.H.P.
are of vertical These engines possible to ensure continuity of
cycle,
trunk-piston supply by coupling the engine four-stroke to the existing town's gas design, having open-type com-
bustion chambers and mechani supply, which would act as h
They standby service. In gas under-cal infection of the fuel. takings, especially those which are of totally enclosed monobloc own alectricity, construction, and have been de
Users of theno dual-fual on- generate their
lened with full regard for acces type of generation this popular,
sibility and straightforward mala- gines bave found them highly eficient and reliable, and in theft of sewngo With the problem
notable A ever more
characteristic of reports: have emphasised their chalco disposal becuning
the performance of the RK versatility in offering a important, many local autheri-
are now turning to the engine is the form of the fuel between oil and gas as fuel, as tes
Curva, which is well es providing a moans for the activated sludge дл tank method,
digestor consumption
combustible waste wide disposal of enables practically level over a which electricity to be generated at range of loads.
products us fuel in pas producers negligible cost by enginca Since most engines are oper- coupled to theso engines
In addition to this economy operated
load under
nuctanting methane, with
between the facility, with which waste averaging plot ignition of diesel fuel, the conditions
aldo methane Kus boing readily 60 and 70 por cent of full load, heat can botilised is
pointed cut 省宿 a valukblo available from
curve co- digestor this not consumption tanks.
sures economical operation under recommendation actual service conditions and, engines. therefore, superior to а low specific fuel commcmption at one point of the load range only,
on
the
tenance.
a
sted
Exhaust gas heat With this type of installation exhaust-gas boilers are Atted to the engines, which enables the heat from the exhaust gases to be utilised to heat the sludge in the digestor tanks. This has the very desirable effect of nube stantially increasing the overall for
efficiency of the modern sewage works.
The engine is started up on Miesel fuel and when required can be changed over, while run- ning, to dual-fuel operation. It is also possible to vary the amount of fuel required plot ignition purposes while the engine is operating.
This method enables
a more efficient use to be made of the
The absence of sharp rise in the consumption curve between full lond and 10 per cent over- load indicates the conservative rating of these engines.
Fuel supply
for thes'e
Excellent Austrian ball bearings
ALL AROUND THE WORLD
You'll find-
SLOAN
FLUSH VALVES
are moro Stopn Hath N. Hỗìà Thùn all other
combined.
Avents
ANDERSEN, MEYER & COMPANY, LTD. DAVID HOUSE
316 sizes.
ENDLESS V-BELTS
CAN B
TEL: 28091,
Replaced with only 4 sizes of Verlink
As many as are sizes of industrial and fractional endiom V-belts can be replaced with only four reels of VoeLink, the Hink V-belt. From these handy reels required belt lengths ro quickly uncoupled, made endless and installet Belt | replacements for any type drive are always on band, Bapid - turnover of YeeLink on reeks eliminates sparo belt, deterior- atlon. Complex costly, belt inventories are ended. Sick records are simplified. Standard reels hold 100 feet, save storage space,
ons in view of the fact that the them to operate quite satisfac-pleto with strainer. The fuol i ball and roller bearings, many down-time. On drive with outboard bearings,. It is installed.
engine 15 high-cumpression unit, and at the same time I obviates the laborious method of changing compression ratios and substituting ignition ab. paratus for the injection equip- inent, which would be neces- sary if tla diesel engine had to be converted to a gas engine.
The engine develops its nor- mal British Standard Specificb-
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YEAR GUARANTEE YEAR FREE SERVICING
By WILLIAM C. JACK & CO., LTD.
HOLLAND HOUSE
AND ONLY FOR H.K. $1,950.00
Installation for Buyor's Account
PLACE YOUR ORDERS NOW FOR STOCKS ON THE-WAY-
UNION MERCANTILE CO., (HK) LTD.,
For straight diesel operation, Austria, known as the larid Engines operating in the oû-
these engines are provided with of wine, women and song, 13 fields can be Atted with dual- fuel parts which will enable of two
an overhead daily service tank also the producer of excellent
-hours' capacity, com-. on the high-calorife- torily
led from the tank through a factured at the Steyr Works at value natural Fas witch Is usually available.
special duplex strainer to the Steyr, Upper Austria.* This practice fuel pumps.
The bell and roller bearing can reduce considerably the
Each fuel pump is, provided production has become one ti cost of power generation.
the most important of Austrian can Industries. The use of the uppe
of
It may be noted as regarde with individual adjustment, so the cffelency of these dual-fuel that the correct distribution
lond over all cylindars units that during a series of testa at the makers works tained.
accurately adjusted and main
Provision is made for was found that when operating
the priming of the complete at full load 'as a dual-fue)
e) | fuel-injection system. 094.5 per cent gas the ther-livered by the pumps is regu engine using 5.5 per cent oil
the quanilty of fuel do mal efficiency was nearly 30 per Iated by the governor in ac cent, as compared with nearly cordance
At 10
95 per cent or oil only. per cent overload
piate special steel, together several decades of experience In | the manufacture of bearings, the most modern working methods.
the introduction of the most and the
highest que roove, the Angular controls, ensure the
Angular
Deep
with load require the thermal in the cylinder hands, are cal Roller, Tapered Roller, Single
ments. The fuel injectors, Atted Contact, Double Row
Contact. Self-Aligning Cylindri
onciency was 98.3 per cent.
fittings
proved design, and maintain good Trast, and Needle roller bear- Simpla modification atómisation over long periods. An Important festure of this The engines are capable of logs are all precision-mile and conversion of the standard operating over a wide range of among the best in the world.
They are recommended for use English Electric diesel engine to diesel fuels, and low consumptions
their gear dual-fuel operation is that the are maintained in service. The motor cars and additional
con be engines are normally tuned and boxes, transmission equipment readily installed by the user's tested on fils complying with and wheel hubs, electrical motors, machine tools and in generki engineers.
B.SE. 209-1947, clam B. The makers supply these t As indicated Bove, for dud-mechanical construction: tings, with the necessary in- fudi operation, the engines can The Steyr Works also produce structions for making the be filed with the makers new the Steyr-Diesel tractor, and in change-over, to users inallmixing valves and the engine diesel truck af sturdy qualities. parts of the warld A number started by pilot Injection of ofl:
STEYR - DAIMLER - PUCH
VIENNA, AUSTRIA
BALL BEARINGS
NEW
Veelink goes on quickly and easily...lowers machine.
machine. without moving thig motor or dismantling the Savings on drives of this typo have been estimated to run as high as 9/10 the cost of installing any other V-belt.
VEELINK
V-BELT
y
VeeLink — known throughout the 973 United States--has proven itself in service on thousands upon than sands of drives. Wherever it is ased higher levels of power trans-hif mission efficiency are attained.
aph. 2 ay bo
Tested Proved.*. Adopted da
by Industry,
Stocks Of All Sizes Available Sole Agents-KIU FOONG TRADING CO. 28, Connaught Road, C.
Thor
PNEUMATIC
SINKER LEG
COMPACT, AIR FEED LEG WHICH CLAMPS TO STANDARD. SINKER ROCK DRILL, CONVERTS UPWARD LIFTING ACTION TO POSITIVE
FEEDING PRESSURE.
DRILLS HORIZONTAL HOLI DRILLS HOLES AT ANY. ANGLE SETS UP INSTANTLY,
WITH CARBIDE BITS.THOR SI
REPLACEALARGER
DRILLS, UPTS, 2 AIRLINE; KAU EX
VỚI TUNG TI
LEG
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