0.7mw 1.4mw 2.8mw 7mw 13 Bar Coal Fired Hot Water Boiler for
Central Heating Industry
Thermal Power : 0.7mw/h, 1.4mw/h, 2.8mw/h, 4.2mw/h,
5.6mw/h,7mw/h,10.5mw/h,14mw/h
CDZL Boiler is Single drum, automatic fuel feeding, automatic water
feeding, automatic ashremove
Fuel for CDZL hot water boiler : Coal, biomass, rice husk, wood
pellet, staw pellet, saw dust, wood waste, peanut shell
New type DZL(H) hot water boiler is the single drum longitudinal
type water and fire tube shell water boiler,the burning equipment
is the moving grate.The furnace wall take heat resistance as the
whole trumpet bell and ramming to be the new process,the boiler
host outside is the solid figure guard board shell.
This hot water boiler adopt chain grate,suitable for molding pellet
fuel,can add a small amount of wood,wood block,also can burn with
coal.
This boiler adopt the newest achievements in scientific research,
such as:Arched Tube plate, thread smoke tube etc, solve the tube
plate crack of shell type boiler, Water wall tube burst, low
efficiency, insufficient of power,Poor pf coal type adaptability
etc.
Combustion Processe:
The fuel burning at the furnace through, the exhaust gas flow from
the boiler barrel bottom to the smoke window outlet on the Eight
character wall, then enter convection bank at the both wings, next
enter the thread smoke tube through the front smoke box, pass by
economizer, dust remover, and induced draft fan, finally discharged
to the atmosphere by chimney.
Feeding System Introduction:
1.Conveyor feeding mode (For biomass particles)
2.Elevating automatic feeding (For coal)
3.Blast feeding (For size of less than 50mm of small sawdust, or
rice husk)
4.Screw feeder
Boiler specification
| Boiler Model | DZL0.7 | DZL1.4 | DZL2.8 | DZL4.2 | DZL5.6 | DZL7 | DZL10.5 | DZL14 | DZL21 | DZL29 |
| Rated thermal power(MW) | 0.7 | 1.4 | 2.8 | 4.2 | 5.6 | 7 | 10.5 | 14 | 21 | 29 |
| Rated steam pressure(Mpa) | 0.7/1.0/1.25 |
| Rated output water temperature(℃) | 95/115/130 |
| Rated return water temperature(℃) | 70 |
| Thermal efficiency(%) | >80 |
| Grate effective area(m3) | 1.85 | 3.4 | 5.18 | 7.55 | 9.34 | 12 | 18 | 22.85 | 27.5 | 34.5 |
| Exhaust gas temperature(℃) | 165 | 172 | 155 | 155 | 171 | 170 | 146 | 157 | 158 | 150 |
| Fuel consumption(kg/h) | 110 | 222 | 430 | 633 | 855 | 1068 | 1587 | 2116 | 3160 | 4327 |
| Max transportation weight(t) | 14.2 | 22.6 | 27 | 45.5 | 40 | 45 | 55.6 | 19.02 | 25.6 | 19.68 |
hot water Boiler Advantegs and Features
Durable and Long life time (more than 10years).
less heat dissipation, high thermal efficiency.lowest fuel
consumption, lower power consumption.
with 95% high efficiency dust collector, more Eco-friendly.
Full automatic control, Protection devices for overheating,
overpressure, lacking water, leak detection, flameout
The featured structure of the boiler: Threaded pipe, Airfoil flue ,
Convex tube plate , The backwater towards hightemperature tube
plate, Simple loop circuit, Dust separated chamber, big furnace,
compact structure so on.
Hot water Boiler Manufacturing Standard:
Auched tube plate standard: GB713-1997
Smoke Tube standard: GB3087-1999
Boiler Drum standard: GB713-2008
Water Tube standard: GB3087-1999
Details Inside the Boiler:
Chain Grate: Strong, high temperature resistant, chain grate bar is
close connect, the coal or other fuel can not draw down .
Smoke Tube and water tube: Enough smoke tube and water tube, make
the boiler high efficiency. the smoke tube can be cleaned easily.
The boiler have man hold and hand hole, which make the boiler easy
to maintain and repaire.
Welding: Our boiler use the advanced seamless welding technology.
Design: the most suitable design, make the boiler easy to install
and operate.
CDZL hot water boiler supply
| Product name | Quantity(set/piece) |
| I. Boiler main Body | 1 |
| 2.Induced Draft fan | 1 |
| 3.Blower | 1 |
| 4.Electric control Cabinet | 1 |
| 5.Valve & Gauge | 1 batch for the whold boiler |
| 6.Grate speed governor | 1 |
| 7.Water Circualting pump | 2 |
| 8. Water distributor | 1 |
| 9.Chimney | 1 |
| 10.Economizer | 1 |
| 11.Fuel feeder | 1 |
| 12.Slag remover | 1 |
| 13.Dry-type Dust Collector | 1 |
| 14. Water softner | 1 |
| 15. free spare parts | Several |
Picture of hot water boiler
