SZL & DZL Chain Grate Boiler
 Capacity: |
0.5ton-75ton, 0.35mw-49mw |
 Pressure: |
0.1Mpa-3.8Mpa, 1bar-38bar |
 Fuel: |
coal, wood, biomass, pellets, rice husk, solid fuel |
 Application: |
For industries production heat and power generation, such food, beverage, feedmill, packaging, paper, textile, garments, palm oil, hotel, laundry... |
| Certificates: |
ISO, CE, ASME, DOSH, EAC, CRN |
Boiler Types:chain grate boiler, reciprocating grate boiler, fixed grate boiler, travelling grate boiler, circulating fluid bed boiler
Introduction
Chain Grate Boiler
Structure: fire tube, water tube
Combustion: coal wood biomass solid-fuel
Manufacture Code: Certified by ASME, CE, ISO, EAC, DOSH, TUV, BV, ensuring high quality and compliance with international standards.
From system design and manufacturing to installation, commissioning, and after-sales service, we provide one-stop turnkey coal boiler solutions for various industrial applications.
Product: DZL Series Automatic Chain Grate Boiler
Horizontal coal fired boiler, with chain grate combustion device, adopt automatic coal feeding system, inner fire-tube & water-tube structure, wing-shape flue and flue gas three pass design. Stable and reliable operation with wide fuel adaptability and high thermal efficiency.
Boiler system need some other accessories for help boiler work successfully. Introduce some important accessories as following:
1. Water softener ②, Remove Mg+,Ca+ in the water and improve water quality, prevent hurt to boiler tube, entend the boiler using life time.
2. Economizer ⑧, use exhaust gas to heat inlet-water then reduce exhaust gas temperature, which improve boiler efficiency.
3. Dust collector ⑨, bag filter, Remove the dust and ash in exhaust gas to protect environment and reduce pollutions.
4. Forced fan & Induced fan ⑦, Blow clean air into the boiler and promote exhausted gas out, ensure the air circulation of the whole system.
Product: DZH Hand-feeding Boiler
DZH Series Travelling Grate Stoker Boiler is a hand-feeding coal boiler equipped with a travelling grate. It is specially designed for burning coal, wood, and other solid biomass fuels, offering efficient combustion, low operating costs.
Product: SZL Water Tube Chain Grate Boiler
Yuanda SZL series water tube boiler, equipped with chain grate, features a double-drum design with a membrane water wall, offering high thermal efficiency, stable operation, and fuel flexibility for industrial steam and hot water applications.
DZL Boiler Features
Chain Grate / Reciprocating Grate
Fitted with either a chain grate or reciprocating grate, suitable for various types of solid fuels such as coal, biomass, or wood, ensuring full combustion and stable performance.
Water Softener
A complete water treatment system is included to remove hardness and prevent scale formation, protecting the boiler and improving efficiency.
Security guaranteed & Automation
Multiple safety and monitoring devices — pressure gauge, water level gauge, temperature sensor, and automatic safety protection system — ensure safe and reliable operation.
Economizer for Energy Saving
Equipped with a high-efficiency economizer to utilize waste heat from flue gas, reduce fuel consumption, and improve overall thermal efficiency.Technical Parameter
| DZ Series Steam Boiler Technical Parameter Table | |||||||||
| Model | Rated capacity(t/h) | Rated pressure (Mpa) | Rated steam temperature(℃) | feed temperature(℃) | Thermal efficiency(%) | Boiler water volume(m³) | Exhaust temperation(℃) | Fuel comsumption（Kg/h） | max transportation weigh(t) |
| DZH1 | 1 | 1.0/1.25/1.6 | 184/194/204 | 20/104 | ＞82 | 3.15 | 127.25 | 192.32 | 9 |
| DZL1 | 1 | 1.0/1.25/1.6 | 184/194/204 | 20/104 | ＞82 | 3.15 | 113.34 | 190.42 | 13.5 |
| DZH2 | 2 | 1.0/1.25/1.6 | 184/194/204 | 20/104 | ＞82 | 4.75 | 126.41 | 386.47 | 15 |
| DZL2 | 2 | 1.0/1.25/1.6 | 184/194/204 | 20/104 | ＞82 | 4.77 | 106.34 | 393.77 | 22 |
| DZH4 | 4 | 1.0/1.25/1.6 | 184/194/204 | 20/104 | ＞82 | 7.7 | 137.25 | 782.29 | 18.5 |
| DZL4 | 4 | 1.0/1.25/1.6/2.5 | 184/194/204/226 | 20/104 | ＞82 | 8.2 | 124.49 | 756.89 | 27.6 |
| DZH6 | 6 | 1.0/1.25/1.6/2.5 | 184/194/204/226 | 20/104 | ＞82 | 7.4 | 146.83 | 1169.57 | 25 |
| DZL6 | 6 | 1.0/1.25/1.6/2.5 | 184/194/204/226 | 20/104 | ＞82 | 8.1 | 137.29 | 1148.68 | 35 |
| DZL8 | 8 | 1.0/1.25/1.6/2.5 | 184/194/204/226 | 20/104 | ＞82 | 9.6 | 141.06 | 1602.44 | 38 |
| Note: Parameter is for reference only, if any changes should follow the factory technical data. | |||||||||
Boiler Accessories List
Boiler Solution
Customized Coal Fuel Solutions
Customize the boiler configuration according to coal type, calorific value, ash content, and fuel characteristics to ensure suitable combustion performance.
Boiler Capacity & Operating Requirements
Select the appropriate boiler capacity, steam pressure, or hot water output based on your production process and heating demand.
Optimized Combustion & Grate System
Configure suitable grate types, coal feeding systems, and ash removal equipment according to coal properties and operating requirements.
Flue Gas Treatment & Auxiliary Equipment
Integrate suitable dust collectors, desulfurization equipment, economizers, and other auxiliary systems to meet project-specific environmental and operational requirements.
Why Choose Yuanda
Complete Boiler Solutions – Customized boiler systems based on your required capacity, fuel type, working pressure, and application.
International Certifications – Manufacturing capabilities supported by ASME, ISO 9001, CE PED, EAC, DOSH, and CRN certifications, as applicable to the specific model and market.
Global Project Experience – Boiler equipment supplied to over 135 countries and regions, with installation and commissioning services completed in more than 60 countries.
Direct Manufacturer Support – Professional technical assistance from project consultation and equipment selection to installation and after-sales service.
Henan Yuanda Boiler Corp Ltd
We are a fully integrated manufacturer specializing in the design, engineering, manufacturing, installation, and after-sales service of industrial boilers and incinerators. Our products are available with internationally recognized certifications, including ASME, CE PED, ISO 9001, EAC, DOSH, and CRN.
With nearly 70 years of manufacturing experience and more than 20 years of export expertise, we supplied industrial heating equipment to over 135 countries and regions across Asia, Europe, Africa, North America, South America, and Oceania.
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