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Devotion Machineries Co., Limited

Coal Boiler, Steam Boiler, Double Drum Coal Steam Boiler manufacturer / supplier in China, offering Double Drum Assembling Coal Fire Steam Boiler, Top Quality 170kw Hot Water Generator with Built-in Heat Exchanger, Competitive 810kw Electric Hot Water Boiler and so on.

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Supplier Homepage Product coal boiler automatic coal feeding steam boiler Double Drum Assembling Coal Fire Steam Boiler

Double Drum Assembling Coal Fire Steam Boiler

FOB Price: US $48,000-148,000 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $48,000-148,000/ Set
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Port: Shenzhen, China
Production Capacity: 20 Sets/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: SZL4~SZL20
  • Fuel: Coal-Fired
  • Structure: Water Tube
  • Water Circulation: Forced Circulation
  • Pressure: Pressure
  • Burning Style: Layer Combustion (Fire Bed Combustion)
  • Rated Pressure: 1.25 MPa (12.5 Bar or 181 Psi) or 1.6MPa
  • Applicable Fuel: Coal, Wood Pellet, Wood Chips, etc
  • Grate Type: Chain Grate
  • Specification: 4 t/h ~ 20 t/h
  • HS Code: 84021900
  • Function: Steam Boilers
  • Installation: Assembled Boiler
  • Media: Steam
  • Drum Placement: Horizontal Boiler
  • Manufacturing Level: A
  • Usage: Industrial
  • Capacity: Around 700 Bhp
  • Fuel Feeding: Automatic
  • Transport Package: Stretch Film & Wooden Cases
  • Origin: Guangzhou
Product Description
-moving grate design, automatic fuel feeding;
-double drum design, abdundant water and steam space;

-horizontal, longitudinal distributed three-pass structure, water cooling walls arranged at each side for heat radiation;
-the front arch matches rear arch, the rear arch and front arch are available for adjusting, this results in efficient combustion and wide fuel adaptability;
-intelligent boiler controller with PLC and touch screen, easy for operation;

DescriptionsEnergy-saving Bi-drum Water tube steam boiler Technical Data
Rated Evaporationg(t/h)468101520
Working Pressure(Mpa)
Water Feed temperature(ºC)2030606060105
Heating SurfaceBody(m2)93.7127153.2223.4355503.94
Effected Grate Area(m2)5.37.789.11217.720.25
Applicable FuelApplicable FuelBiamass pelletBiamass pelletBiamass pelletBiamass pelletBiamass pelletBiamass pellet
Low Heating Value(kj/kg)168301683016830168301683016830
Fuel con-sumptionBiomass pellet(kg/hr)~795~1100~1496~1796~2694~3592
Boiler Effic-iency(%)Biomass pellet(kg/hr)828282.8882.18282
Max Piece Shipping Weight(t)~31~21~23~28~36~33
Max Dimensions affer installation7.4×2.6×3.58.0×2.7×5.578.6×2.7×5.579.61×3.2×5.5711.5×3.5×6.714×3.8×7.88
FD FanModelT4-72GG6-15GG8-15GG10-15GG15-15GG20-15
Air volume(m3/h)5380/102887000/100007000/1200014645/2079523812/2543535000/62000
Air pressure(Pa)1616/28522824/30992647/30992734/29993704/38122304/3138
Motor modelY132S1-2Y160M-4B3Y160M4-4B3Y180L-AB3Y225M-4B3Y255M-4B3
ID FanModelYX9-35GY6-15GY8-15GY10-15GY15-18GY20-18
Air volume(m3/h)8868/1934215756/1932015756/1932026321/3213837754/4645315756/19320
Air pressure(Pa)2805/30414057/41064106/40573714/38023800/39684690
Motor modelY180L-4Y225S-4B3Y225S-4B3Y250M-AB3Y225S-4B3Y315S-4B3
Speed AdjusterModelGL5PL-80L-100AGL-16PGJ-200GJ-200

Q1: Where is your company?
A1: We are located in Guangzhou which is famous for international business and worldwide renowned  Canton fair is held twice each year, it's the nearer and less cost to reach ports of Southeast Asia, Africa, Middle East, South America, Oceania and Europe.

Q2: What is the Warranty for the boilers?
A2: You will get fourteen months (14) warranty counting from the date of shipment or twelve (12)months from the date of commissioning, whichever is earlier. 

Q3: How about the installation and commissioning?
A3: We'll specify the service clause for installation and commissioning in details. Generally, our products can be handled by end-users themselves with our documents provided or internet online assistance. However, our service team members also are available for travelling upon request from customers.

 Q4: What's the production lead time for delivery?
A4: For our standard products, usually it will take about 35-45 days for pressure boilers, and 25-30 days for non-pressure boilers. For non-standard products, time will be different subject to the specifications of pressure, electricity, fuel, capacity, etc.

 Q5: What about your payment term?
A5: Our terms of payment is very flexible, we can discuss and meet your requirement. However, TT is the most welcome term and it has the priority to the price discount.

Q6: What kind of documents will be provided?
A6: Our documents include English instruction manuals, conformity certificate, drawings, manufacturing data, etc. More detailed documents can be provided upon request.

 Q7: What's your MOQ?
A7: Only 1 set, if you have more than that, you will get a more favorable price.

 Q8: How's the packaging & shipping
A8: For metal products like boiler body, steam header, tank, etc, they will be packed by stretch film; for accessories, they will be packed in wooden cases or carton boxes. We can handle all shipments  including standard container, open top container, flat container, bulk carrier, etc. Because of big dimensions, not all boilers can be loaded into standard containers. For gas/oil boilers, bigger than 1 ton/hr or 0.7 MW can't be loaded into standard container.
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Mr. Richard Zhang
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