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| SOLID
FUEL FIRED : COAL |
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COALMISER HPD
 The
Coalmiser HPD design is suitable for applications to produce high pressure
steam or hot water in ranges from 5,000 - 40,000 lbs/hr (4.8 mm BTU - 39 mm
BTU) output from 150 up to 250 PSI. This system is designed by HBC to combine
the best technologies from the "old school" of coal combustion and the latest
advanced combustion control technologies. The new HBC chain grate-type stoker
system permits either bituminous coal washed singles or smalls to be combusted
in an efficient manner with the added advantage of automatic de-ashing. This
combination is particularly suitable for industrial heating and process steam
applications. The boiler vessel is a three-pass fire tube design incorporating
a wet back turnaround that eliminates the need for rear door refractory.
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COALMISER
HPD UF
 The
Coalmiser HPD UF design is suitable for applications to produce high pressure
steam or hot water in ranges from 2,000 - 8,000 lbs/hr (2 mm BTU - 7.7 mm BTU)
output from 150 up to 250 PSI. This system is designed by HBC to combine the
best technologies from the "old school" of coal combustion and the latest advanced
combustion control technologies. The stationary underfeed stoker system provides
a very low turn-down rate making it particularly suitable for heating applications
in greenhouses, factories, schools and office buildings. This combination enables
these systems to provide the most reliable operation utilizing a consistent
single "grade" of low sulfur bituminous coal. Ash removal is available in manual
and automatic configurations. The boiler vessel is a three-pass fire tube design
incorporating a wet back turnaround that eliminates the need for rear door
refractory.
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COALMISER HPD CG
 The
Coalmiser HPD CG design is suitable for applications to produce high pressure
steam or hot water in ranges from 5,000 - 40,000 lbs/hr (4.8 mm BTU - 39 mm
BTU) output from 150 up to 250 PSI. This system is designed by HBC to combine
the best technologies from the "old school" of coal combustion and the latest
advanced combustion control technologies. The new HBC chain grate-type stoker
system permits either bituminous coal washed singles or smalls to be combusted
in an efficient manner with the added advantage of automatic de-ashing. This
combination is particularly suitable for industrial heating and process steam
applications. The boiler vessel is a three-pass fire tube design incorporating
a wet back turnaround that eliminates the need for rear door refractory.
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 FIREBOX
LPD CG
The Firebox LPD CG design
is suitable for applications to produce low pressure steam or hot water in
ranges from 3,450 - 20,700 lbs/hr (3.4 mm BTU - 20 mm BTU) output at 15 PSI
steam or 30 PSI hot water. This system is designed by HBC to combine the best
technologies from the "old school" of coal combustion and the latest advanced
combustion control technologies. The new HBC chain grate-type stoker system
permits either bituminous coal washed singles or smalls to be combusted in
an efficient manner with the added advantage of automatic de-ashing. This combination
is particularly suitable for residential and industrial heating and process
steam applications. The boiler vessel is a three-pass fire tube firebox design
that inherently provides an extended water membrane in the furnace area greatly
reducing the amount of refractory required.
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HYBRID WW CG
 The
Hybrid WW CG design is suitable for applications to produce high pressure steam
or hot water in ranges from 3,450 - 60,000 lbs/hr (3.4 mm BTU - 60 mm BTU)
output from 100 up to 400 PSI. This system is designed by HBC to combine the
best technologies from the "old school" of coal combustion and the latest advanced
combustion control technologies. The new HBC chain grate-type stoker system
permits either bituminous coal washed singles or smalls to be combusted in
an efficient manner with the added advantage of automatic de-ashing. This combination
is particularly suitable for industrial heating and process steam applications.
The boiler vessel is a two pass hybrid design incorporating a water tubed boiler-type
water membrane and a two-pass fire tube scotch marine vessel. This vessel's
advantages over standard water tube boilers include much larger steam disengagement
area providing high quality steam, larger steam storage capability for quicker
response to sudden steam demand and much larger thermal storage that provides
fast demand response times and safer operation. This system also incorporates
extended water wall membranes that extend down the gasification/combustion
chambers side walls thereby greatly reducing refractory requirements which
is essential when utilizing highly volatile solid fuels.
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HYBRID WW CG SH
 The
Hybrid WW CG SH design is suitable for applications to produce high pressure
steam or hot water in ranges from 3,450 - 60,000 lbs/hr (3.4 mmBTU - 60 mmBTU)
output from 100 up to 400 PSI. This system is designed by HBC to combine the
best technologies from the "old school" of coal combustion and the latest advanced
combustion control technologies. The new HBC chain grate-type stoker system
permits either bituminous coal washed singles or smalls to be combusted in
an efficient manner with the added advantage of automatic de-ashing. This combination
is particularly suitable for industrial heating and process steam applications.
The boiler vessel is a two pass hybrid design incorporating a water tubed boiler-type
water membrane and a two-pass fire tube scotch marine vessel. This vessel's
advantages over standard water tube boilers include much larger steam disengagement
area providing high quality steam, larger steam storage capability for quicker
response to sudden steam demand and much larger thermal storage that provides
fast demand response times and safer operation. This system also incorporates
extended water wall membranes that extend down the gasification/combustion
chambers side walls thereby greatly reducing refractory requirements which
is essential when utilizing highly volatile solid fuels. The addition of a
steam superheater allows this system to provide hotter steam (an additional
+100º F) that can increase electrical cogeneration output over standard
steam applications and specialized plant process applications.
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| HYBRID COAL FIRED PLANT
CHAINGRATE |
 Hurst Boiler and Welding Co., Inc. provides its clients with the support and expertise necessary to design, fabricate and install complete coal fired boiler systems from the fuel storage system thru exhaust gas emission mitigation. This particular representation exhibits the application of HBC's Hybrid WW CG boiler system into a complete turnkey system. It should be understood that every application is different in some way: from coal quality and/or type, steam/heat requirements to site specific local and/or national emission regulations. Please contact our knowledgeable staff to discuss your particular application.
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| HYBRID COAL FIRED PLANT
SUPER HEAT CHAINGRATE |
 Hurst Boiler and Welding Co., Inc. provides its clients with the support and expertise necessary to design, fabricate and install complete coal fired boiler systems from the fuel storage system thru exhaust gas emission mitigation. This particular representation exhibits the application of HBC's Hybrid WW CG SH boiler system into a complete turnkey system. It should be understood that every application is different in some way: from coal quality and/or type, steam/heat requirements to site specific local and/or national emission regulations. Please contact our knowledgeable staff to discuss your particular application.
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