FAQ

The company has rich experience to provide customers with a full set of boiler equipment services, sitong is with excellent professional skills and positive spirit of innovation to create a world-class boiler equipment and struggle. immediately Advisory; we are dedicated to serve you!The company has rich experience to provide customers with a full set of boiler equipment services, sitong is with excellent professional skills and positive spirit of innovation to create a world-class boiler equipment and struggle. immediately Advisory; we are dedicated to serve you!

What are the spare parts for DZL/SZL series coal/biomass fired boiler?

Generally, the spare parts are instrumentation valve, grate plate, gasket, etc.

What are the difference between DZL and SZL with the same capacity?

a.DZL
1.Usually for the boiler with capacity lower than 10Ton
2.Easy for transportation
3.Lower request on water quality
4.Low boiler room construction charges
5.Low requirement on water quality

b.SZL
1.Usually suitable for bigger capacity boiler
2.Good water circulation, small water volume
3.Warm up faster, higher steam quality
4.Higher request on water quality
5.Higher thermal efficiency

What are the differences between vertical type boiler and horizontal type boiler with the same capacity?

1.Structure of vertical boiler is compact, occupy a limited area.
2.Convenient on installation and removal.
3.Low cost and investment on capital construction. Steam exhausted fast and sufficient.
1.The combustion space of horizontal is big, fuel can be burned completed.
2.The thermal efficiency is higher than the vertical boiler,
3.Horizontal type: less thermal loss, stronger output, and higher steam quality.

What are the limitation (size, humidity, chemical element concentrations) of coal fuel/solid fuel/wood fuel?

Size requirement of coal:6-25mm
Size requirement of blending coal: <50mm (the coal less than 6mm should less than 30%)
Diameter of biomass particle: 6~10mm, length: 25~50mm, water content < 15%, ash content < 2%, sulphur content<0.07%, chlorinity <0.07%, nitrogen content < 0.5%
What is the size of furnace door and blower hopper?

Size of furnace door:

Standard elliptical furnace door:300*800*1500

Blower hopper size:

2 tons conical hopper: 1400*800*1500
4 tons conical hopper: 2200*1400*1500

What is the combustion mode of coal/biomass fired boiler?

The combustion mode of coal/biomass fired boiler is layer combustion. Place the flue on the fixed or moved grate, to form an evenly fuel bed with a certain thickness, air comes from the bottom of grate, and combustion occurred on the fuel bed.

How many stokers do I need for one boiler?

Usually 3 person, every 8 hours a shift.

How long it takes for boiler installation and debugging?

The boiler is easy to install, it could be finished within 2 weeks, we have the professional abroad installation team to help for installation. Moreover, our technicians offer after-sale service every quarter in many countries, like Philipines, Bangladesh, Indonesia, Pakistan.