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Wood Fired Boiler

Horizontal wood boiler | Water tube wood boiler | Vertical wood boiler

Yuanda has DZL/DZH water-fire tube wood boiler and SZL/SZW water tube wood biomass boiler. Can produce saturated steam, superheated steam and hot water for factory production.

Output: steam, hot water
Capacity: 100kg-50000kg, 0.1ton-50ton, 120kw-28000kw
Work Pressure: 3-40bar, 0.3-4.0Mpa
Heat Temperature: 0-450℃
Applied Industry: For heating/drying/turbine drive, in food, beverage, paper plant, textile mill, feed mill, pharm, package, chemical, building materials, laundry etc

Introduction

YUANDA BOILER provides efficient and high quality wood fired boilers, designed for industrial processes requiring high-temperature heat.

Certified by ASME, CE, ISO, DOSH, EAC, and CRN, our equipment meets international standards.

Mainly composed of boiler body and combustion equipment. It can convert firewood, wood chips, wood waste, wood sawdust... into steam/hot water or electricity. It can minimize fuel costs and achieve high economic benefits.

Main Products as Below:

DZ series wood fire tube boiler(DZH DZL DZW)

SZ series wood water tube boiler(SZL SZW)

LSG series vertical wood boiler (LSG CWHS)


One Client, One Solution

Flexible Combustion Systems & Boiler Type

1. Boiler types: water tube boiler, fire tube boiler, vertical boiler, single drum boiler, double drum boiler, hybrid boiler.

2. Combustion equipment: chain grate/traveling grate, manual type traveling grate, fixed grate, reciprocating grate, bubbling fluidized bed grate

3. Applicable fuel: wood pellets/briquette, wood block, firewood, wood chips, wood sawdust, wood waste, shavings, bark, veneer waste and mixed fuel like coal, waste fabric, jute, solid waste etc.

Water Tube Wood Boiler

SZL/SZW series boiler is a modular wood boiler, also known as double-drum water tube boiler. Wide fuel adaptability, Especially suitable irregular wood fuels, mixed wood fuel, wood waste, wood chips, wood sawdust, wood sanding powder, wood shaving, high-moisture fuels, or blended fuels.

Main characteristics:

● Steam capacity 6-65ton/hr

● Water tube

● Fuel with various high-moisture, high-ash, low calorific value wood fuels, no size limited

● Full membrane water-cooled wall structure

● Pressure up to 38 kg/cm²

● Three Step Burning Process "preheating + main combustion + burnout"

● Active Slag Breaking and Self-Cleaning

Fire Tube Wood Boiler

DZL/DZH series boiler is a packaged horizontal three-pass fire tube boiler with threaded smoke tubes and airfoil-shaped flues. DZH boiler is a manual type moving grate boiler, requires manual feeding and deslagging.

Main characteristics:

● Power 350kw-5600kw, steam capacity 0.5-8ton/h

● Fire tube

● Fuel with low humidity, uniform size firewood logs, wood chips, wood pellets, wood charcoal.

● Pressure up to 20 kg/cm²

● "α"-shaped furnace arch

● Wing-shape flue

● Quick-assembled delivery, easy to install

Vertical Wood Boiler

Small scale industrial boiler, vertical design. Small footprint, low investment cost. Simple structure, easy to use and install

Boiler Accessories

Fuel feeding and slag removal system
Fuel feeder, selected by fuel type
Grate speed reducer, with safety clutch device
Slag remover, automatically remove slag

Water-steam system
Water pumps, vertical stainless steel
Water treatment equipment, American"Fleck" brand
Deaerator, boiler corrosion protection
Steam header, input&output ports number can be customization

Air and flue gas system
Economizer, Bigger heating area, can save 7% fuel
Smoke clean equipment, preheater/cyclone/wet scrubber for energy savings and emissions control.
Chimney and smoke ducting, assembled type
Forced fan and induced fan, sufficient flow & power

Control System

Valves&gauges, top famous brand

5-stage safety protection (water level, pressure, temperature monitoring, etc.).

Electric PLC control cabinet, touch screen with interlocking alarm device

Automatic sewage control, steam/water flow metering, and ash collection.

Why Choose Yuanda Boiler?

Yuanda's philosophy: "Quality First, Integrity Wins the World, and Common Development with Customers"

Company Strength

■ Founded in 1956, a premium supplier assessed, certified, and inspected by SGS Group. Leading industrial boiler manufacturer in China.
■ Holds international boiler certifications: CE, ASME, DOSH, EAC, GOST, ISO
■ Over 17 years of export experience, gold-level supplier, ensuring payment and delivery.
■ Professional team integrating R&D, production, sales, and service.
■ 53,053㎡ Factory area, supporting video/VR factory audits or third-party inspections.
■ Engineers serving over 50 countries.

■ Products sold to over 130 countries/regions, covering food, beverage, textiles, paper, wood industries. Serving over 100,000 customers.

Products & Technology

■ Diverse Product Range: Fire-tube boilers, water-tube boilers, water-fire-tube boilers, combined boilers, vertical boilers, cogeneration boilers, waste heat recovery boilers, skid-mounted boilers, and mobile containerized boilers.
■ Flexible Fuels: Supports various fuels such as natural gas, biogas, lpg, diesel, heavy oil, dual fuels, coal, biomass, wood chips, sawdust, bagasse, wood residue, sawdust, forest waste, palm shells, hybrid biomass/gas, palm fiber, rice husks, walnut shells, electricity, etc.

■ Collaboration with advanced boiler research institutes ensures advanced technology and high energy efficiency.

Services & Markets

■ Local Support: We have long-term, reliable local agents, can provide one-stop service from installation and training to maintenance.
■ Comprehensive Service: From project planning to after-sales support, we provide comprehensive support throughout the whole boiler life, with 24/7 online support and immediate response.
■ Local Projects: We have installed many boiler projects in different countries, can provide boiler case studies.

■ High Repurchase Rate: 55% of our customers are repeat customers or referral customers.


Quality Assurance

(1) Strength calculation report with applied materials information;

(2) 100%NDT(non-destructive inspection) report of steel plate, tube and welding rod;

(3) 100% X-ray inspection( (Longitudinal, transversal safety inspection)): ensure the quality of entire boiler;

(4) Hydrostatic test: ensure the standard working pressure and safety;

(5) Third-party inspection report

(6) Passed ASME CE ISO DOSH EAC GOST boiler level certificate.

Our Service

Comprehensive Boiler Solutions – From Planning to Lifetime Support

Pre-Sales Support:

Expert Design Guidance: Help you select the optimal boiler model tailored to your industry needs.
Detailed Technical Documentation: Provide certificates, CAD drawings, consumption analysis, and boiler room planning.
Customized Solutions: Deliver complete system designs including installation material lists.

Competitive Pricing: Factory-direct rates with uncompromised quality.

After-Sales Assurance:

Genuine Spare Parts: Original components with reliable supply.
Global Installation & Commissioning: Overseas engineer dispatch available.
On-Site Training: Ensure safe and efficient operation.
24/7 Online Support: Rapid response for any technical needs.
Warranty & Lifelong Care: One-year free maintenance and lifetime service support.

Parameter

DZH wood boiler
Model Rated steam output
(Ton/hr)
Rated steam pressure
(Mpa)
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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