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2 ton wood coal fired boiler
2 ton firewood boiler
4 ton wood briquette boiler
6 ton firewood boiler

Biomass Wood Fired Boiler

DZH DZL wood boiler | Wood steam boiler | Wood hot water boiler

DZH series wood boiler, also known as hand-feeding boiler, economical boiler, which needs labour to feed fuel and remove the slag. Specially designed boiler for small capacity below 8 tons/hour.

Output: steam, hot water
Capacity: 0.5 to 8 ton, 350 to 5600 kw
Horsepower 30hp - 600hp
Pressure 0-3.8Mpa, 0-38bar
Applied Industry: food&beverage, dairy, feed, textile, paper, chemical, package, refinery, pharm, building material, hotel etc


DZH series wood boiler, also known as hand-feeding boiler, economical boiler, which needs labour to feed fuel and remove the slag. (we have DZL auto biomass wood boiler)

It has horizontal water tube and fire tube structure, using moving grate as combustion device. Strong fuel adaptability can operated by firewood, wood log, wood waste, briquette, wood pellet, wood chips, or coal, waste fabric, paper waste, plastic...

Pressure: 1.0mpa 1.25mpa 1.6mpa 2.5mpa 3.0mpa 3.82mpa (4bar-40bar)

DZH hand feeding wood biomass boiler


It can be used in a variety of industries such as food, beverage, milk, garment, pharmaceutical, building materials, chemicals, textile, paper, foam, feed mills, edible oils, rice mills, dairy products, food, wood processing, refineries, rubber, packaging, laundry, hotel, greenhouse...


● Manual type boiler, moveable grate as burning device

● Safety assured by the advanced interlock control system

(Automatic control for water level, pressure, flue gas temperature)

● Customized feeding system (can made into air conveying, spiral conveying, belt conveying or bucket conveying)

● Customized flue gas treatment system

● Customized combustion grate and furnace based on fuel characteristics

● Energy-saving device optional

DZH manual type wood/biomass boiler


1. Adopts 3-pass wet back sturcture, arched tube plate, spiral corrugated fire tubes, to strengthen boiler efficiency, prevent tube plate cracking

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

3. Secondary air ventilation system in boiler, increase burning efficiency and save fuel cost

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

5. Anti-dry heating system, five stages water level check, four stages pressure protection

6. Built-in rotary sootblower and inspection door

7. New large furnace design with dust separation chamber, make boiler high efficiency, reduce the original dust


wood fuel fired boiler

Our Service

Pre-sale Service:

1. Design
We help customer to choose the best boiler model according to the different requirements of different industries.
2. Drawing and files
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
Design completed boiler solution with installation materials for your company.
4. Transportation
We have shipping partners and forwarder for lowest price and safe.

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.

Hot 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 108 countries, more than 100,000 customers

gas steam boiler, gas burner boiler factory

Quality Assurance

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.

FAQ of DZH Boiler

1. How much fuel does the boiler use per hour?

Take 1 ton firewood steam boiler as an example, the consumption is 140kg/h.

2. Worried about the installation?

Except installation manual, also we can send engineers to install boiler.

3. Can wast jute or coal be burned in a DZH boiler?

Yes. DZH boiler has wide fuel adaptability, can burn all most solid fuel.

4. Can high moisture fuel be burned in DZH boiler?

No. We have special designed reciprocating grate boiler for high moisture fuel.


DZH wood boiler
Model Rated steam output
Rated steam pressure
Rated steam temperature
Feed water temperature
Thermal efficiency(%) Fuel consumption(Kg/h)
DZH 1 1 0.4/0.7/1.0/1.25/1.6/2.5 130~226 20/105 >81 140
DZH 2 2 0.4/0.7/1.0/1.25/1.6/2.5 130~226 20/105 >81 280
DZH 4 4 0.4/0.7/1.0/1.25/1.6/2.5 130~226 20/105 >81 570
DZH 6 6 0.4/0.7/1.0/1.25/1.6/2.5 130~226 20/105 >81 810
DZH 8 8 0.4/0.7/1.0/1.25/1.6/2.5 130~226 20/105 >81 1100
DZL 10 10 0.4/0.7/1.0/1.25/1.6/2.5/3.0/3.82 130~304 20/105 >84 1380
DZL 15 15 0.4/0.7/1.0/1.25/1.6/2.5/3.0/3.82 130~304 20/105 >84 2100
DZL 20 20 0.4/0.7/1.0/1.25/1.6/2.5/3.0/3.82 130~304 20/105 >84 2600
Note: Standard boiler parameter is for your reference, should follow the actual technical data according customer needs & engineer design.

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