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Vertical Double Drums Chain Grate Coal Fired Hot Water Boiler

Vertical Chain Grate Coal Fired Hot Water Boiler is single drum hot water and steam coal boiler, using clean energy - biomass as energy, energy conservation and environmental protection- QINGDAO EAST POWER INDUSTRY EQUIPMENT CO.,LTD

  • SZL
  • EPCB
  • 024

Production Description

Chain Grate Boiler

Double Drums Chain Grate Coal Fired Hot Water Boiler

Capacity:  1-30 ton/0.7-21MW
Efficiency: >=80% 

Applicable Fuel:Coal. 

Application scope:Hospitals, schools, textile factory, garment factory, large supermarket, garment factory, printing and dyeing factory, hotels, canteens, restaurants, food plants, beverage plants, soybean plants, meat products, canned food factory, brewery, pharmaceutical factory, packing factory, building materials factory, paint factory, swimming pool and other enterprises and institutions place.

  • Boiler introduction

  Double drum horizontal chain grate biomass boiler furnace is on the right side of the boiler. The upper boiler barrel and the lower boiler barrel are arranged on the left side of the boiler. The water inlet end of the low temperature flue gas condensing heat exchanger is communicated with the water inlet pipe.

  • Product diagram

Coal Boiler

  • Internal Structure

Internal Structure

  • Product features

1. The boiler is the vertical fast installation of water and fire tube boiler, working natural circulation.

The boiler heat exchange system is composed of drum, left and right header and water wall, the main heating surface is the furnace water wall, some of the drum and convection tube bundle in the drum.

2. Advanced design performance:

The drum is made of special steel plate for boiler, the left and right boxes are made of seamless steel pipes.

3. The boiler arch is made of refractory concrete. The back arch is low and long, so the combustion is good. The two wings of the flue and the side wall brick are made of refractory bricks. The boiler front wall, the back wall uses the general refractory brick.

4. The grate is designed reasonable for air distribution, the combustion chamber is large, suitable for all kinds of coal, mixed coal and biomass fuel, full combustion. Due to the high temperature flue gas into the settling chamber, and then from both sides into the flue, the former smoke box, and thus having good effect of smoke and dust removal.

5. Water cycle is simple, the structure of pressure parts is reasonable, in the case of ensuring the quality of water, safe operation.

  • After-sale service

Service standards: First solve the problem, then clear the responsibility

Service policy:

      1 Three: the whole process, all-round, all-weather service

      2 Two fast: fast in place, quick troubleshooting

      3 One Ensure: customer satisfaction is maximized

The host boiler warranty of 24 months, 12 months warranty auxiliary

Provide lifelong maintenance service.

Qingdao East Power Boiler also provides productions for you as follows:

Gas (oil) boiler, Coal boiler, Biomass Boiler, Thermal oil boiler, Pressure vessel, Boiler Accessories, etc.

SZL series Coal-Fired Hot Water boiler Technique Parameter

 Item\TypeSZL2.8- 0.7/95/70-AIISZL4.2-1.0/115/70-AIISZL5.6-1.0/115/70-AIISZL7.0-1.0/115/70-AIISZL8.4 -1.0/115/70-AIISZL10.5-1.0/115/70-AIISZL14-1.25/130/70-AII
Rated capacity MW2.84.25.678.410.5 14.0 
Rated working pressure MPa0.71.0 1.0 1.0 1.0 1.0 1.0 
Supply water temperature ℃95115115115115115130
Return water temperature ℃70707070707070
Heated area ㎡

Totle Radiation

 Heating Surface

FuelFuel AvailableClass II Fired Coal, Low Based Applications 18700Kj/Kg
Boiler thermal efficiency %8180.182.5481 82.748180.4

Largest transportation

 size m

Weight of largest parts of boiler (t)30435446/2948/3049/3149/37
Notes:This form only for your reference, if any changed,please refer to factory technical documents.


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 Tel: +86-532-66717007
 Fax: +86-532-66717006
 E-mail: sale@cn-eastpower.com
 Add: No. 5, Gaoping Road, Qingdao, Shandong, China (Factory) 
 Add: No. 39 Shiling Road, Laoshan District, Qingdao, Shandong, China (Office)


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