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coal fired steam boiler
coal fired boilers
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coal fired steam boiler
coal fired boilers
coal fired hot water boiler
coal fired hot water heating boiler

Coal Fired Boiler

Chain grate boiler | Automatic coal boiler | Steam and hot water boiler

DZL SZL coal boiler, also named chain grate boiler, automatic coal boiler, that provide steam or hot water for production. Low emission and excellent operating performance.

Output: steam or hot water
Capacity: 0.5ton-40ton, 0.35mw-28mw
Horsepower: 30hp to 2500hp
Pressure: 0-3.8Mpa, 0-38bar
Used for: generating steam or hot water

Introduction

DZL SZL coal boiler, also named chain grate boiler, automatic coal boiler, it produce steam, or hot water or central heating for factory and company.

With ASME CE ISO DOSH EAC TUV BUV certificate, new furnace design adapted to coal fuel, and ash remove tech, to ensure coal boiler in good operation and long lifetime.

coal steam and hot water boiler

DZL Chain Grate Coal Boiler

● Automatic water tube & fire tube boiler

● Capacity from 0.5ton to 40ton, 0.35mw to 28mw

Low emission and excellent operating performance

● Customized combustion device and furnace according to the fuel characteristics. (can use coal, biomass pellet, wood chips, rice husk, palm kernel shell, other fruit shells and so on)

6 ton coal boiler, 20 ton coal boiler

Advantages

1. 3-pass wet back, arched tube plate and spiral corrugated fire tubes, to strengthen boiler efficiency;

2. Two-Wing flue gas at side, reduce smoke temperature, reduce heat load of boiler bottom;

3. PLC digital control, interlock system for fuel feeding, water treatment, combustion furnace, fan;

4. Built-in steam separator, ensure high steam quality with wetness below 1%

5. Five stages water level check, four stages pressure protection, over smoke gas temperature;

6. Built-in rotary sootblower and inspection door

7. Dust separation chamber, higher efficiency, reduce the original dust

8. Equipped economizer/preheater/cyclon/wet scrubber, environmental protection and energy conservation

①Boiler body ②Chain grate stoker with reducer ③Water treatment system ④Coal feed bunker ⑤Dust bag filter clean system Ash conveyor system ⑦Economizer ⑧Chimney ⑨Induced fan and forced fan ⑩Automation control system Steam header. Preheater, dearator system, water recovery device is optional.


SZL Water Tube Coal Boiler

Double drum water tube coal boiler, customized combustion device, built-in dust cleaning. More suitable for 8-40ton capacity.

szl water tube coal boiler

Vertical/Small Coal Boiler

LSG fixed grate vertical steam or hot water boiler, small footprint. Manual feeding coal boiler, low cost and easy operation.

vertical coal boler, small coal boiler, coal heating boiler

About Our Company

■ Founded in 1956, a quality supplier assessed, certified and inspected by SGS Group
■ CE ASME DOSH EAC GOST TUV BUV ISO high standard boiler certification
■ More than 17 years of export experience, gold medal supplier, guaranteed payment and delivery.
■ Integrating research&development production and sales
■ Support video/VR or third party factory inspection
■ Best seller in 132 countries, more than 100,000 customers

coal boiler factory

Quality Control

Steel element test→Steel rust cleaningWelding electrodes drying processAutomatic welding, argon arc welding, expansion welding etc. methodsNDT(Nondestructive Testing) including X-ray Test, Ultrasonic Test, Magnetic particle TestHydraulic pressure test.

Our Service

Pre-sale Service:

1. Design一We help customer to choose the best boiler model according to the different requirements of different industries.
2. Drawing and files一Supply quality certificates, factory-inspect, fuel consumption calculation, cost analysis, foundation drawings, layout drawings, boiler room drawings nased on your needs, etc.
3. Technical Solution一Design completed boiler solution with installation materials for your company.
4. Competitive Price一As one boiler factory, we have lowest price and high quality.

After-sale Service:

1. Provide a full range of boiler and original spare parts.
2. Overseas engineers installation and commissioning service is available.
3. Training in site, to ensure safe operation.
4. 24 hours online, quick respond.
5. Free maintenance and repair for one year and lifetime service.

Parameter

DZL coal steam boiler
DZL coal hot water boiler
Model Rated steam output
(Ton/hr)
Rated steam pressure
(Mpa)
Rated steam temperature
(℃)
Feed water temperature
(℃)
Thermal
 efficiency
(%)
Fuel
consumption
(Kg/h)
DZL 1-0.7/1.0/1.25/1.6-AII 1 0.4 to 2.5 (4-25 in bar) 130~226 20/105 >84 140
DZL 2-0.7/1.0/1.25/1.6-AII 2 0.4 to 2.5 (4-25 in bar) 130~226 20/105 >84 280
DZL 4-0.7/1.0/1.25/1.6-AII 4 0.4 to 2.5 (4-25 in bar) 130~226 20/105 >84 570
DZL 6-0.7/1.0/1.25/1.6-AII 6 0.4 to 2.5 (4-25 in bar) 130~226 20/105 >84 810
DZL 8-0.7/1.0/1.25/1.6-AII 8 0.4 to 2.5 (4-25 in bar) 130~226 20/105 >84 1100
DZL 10-0.7/1.0/1.25/1.6-AII 10 0.4 to 2.5 (4-25 in bar) 130~226 20/105 >84 1380
DZL 15-0.7/1.0/1.25/1.6-AII 15 0.4 to 2.5 (4-25 in bar) 130~226 20/105 >84 2100
DZL 20-0.7/1.0/1.25/1.6-AII 20 0.4 to 2.5 (4-25 in bar) 130~226 20/105 >84 2600
Note: Standard boiler parameter is for your reference, should follow the actual technical data according customer needs & engineer design.
Model Rated thermal power
(MW)
Rated working pressure
(Mpa)
Rated output water temperature
(℃)
Rated return water temperature
(℃)
Thermal efficiency
(%)
Fuel consumption
(Kg/h)
DZL 0.7-0.7/1.0-AII 0.7 0.7/1.0 (7-10 in bar) 95/115 70 >84 150
DZL 1.4-0.7/1.0-AII 1.4 0.7/1.0 (7-10 in bar) 95/115 70 >84 302
DZL 2.8-0.7/1.0-AII 2.8 0.7/1.0 (7-10 in bar) 95/115 70 >84 596
DZL 4.2-0.7/1.0-AII 4.2 0.7/1.0 (7-10 in bar) 95/115 70 >84 880
DZL 5.6-0.7/1.0-AII 5.6 0.7/1.0 (7-10 in bar) 95/115 70 >84 1160
DZL 7-0.7/1.0-AII 7.0  0.7/1.0 (7-10 in bar) 95/115 70 >84 1380
DZL 10.5-0.7/1.0-AII 10.5 0.7/1.0 (7-10 in bar) 95/115 70 >84 2030
DZL 14-0.7/1.0-AII 14 0.7/1.0 (7-10 in bar) 95/115 70 >84 2700
Note: Standard boiler parameter is for your reference, should follow the actual technical data according customer needs & engineer design.

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