Jiangsu, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2015, ISO14001:2015, OHSAS18001:2007
Average Lead Time:
Peak season lead time: 1-3 months
Off season lead time: one month
OEM/ODM Service
Russian / Spanish Speaker

Boiler, Furnace, Steam Boiler manufacturer / supplier in China, offering 4t Industrial Horizotal Packaged Chain Grate Steam Boiler, Yyw Series Asphalt / Plywood / Chemical Plant Use Oil Gas Fired Thermal Oil Heater, Yyl-7000y (Q) Gas Diesel Fired Asphalt Bitumen Thermal Oil Heater and so on.

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Supplier Homepage Products Coal -fired boilers SZL Steam boiler 4t Industrial Horizotal Packaged Chain Grate Steam Boiler
  • 4t Industrial Horizotal Packaged Chain Grate Steam Boiler
  • 4t Industrial Horizotal Packaged Chain Grate Steam Boiler
  • 4t Industrial Horizotal Packaged Chain Grate Steam Boiler

4t Industrial Horizotal Packaged Chain Grate Steam Boiler

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $60,000-70,000/ Piece
Port: Shanghai, China
Production Capacity: 500 Sets/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Function: Steam Boilers
Fuel: Coal-Fired
Installation: Packaged and Assembled Boilers
Structure: Water Tube
Media: Steam and Water
Water Circulation: Forced Circulation

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Basic Info

Model NO.
Drum Placement
Horizontal Boiler
Manufacturing Level
Burning Style
Chamber Combustion Boiler
Steam Capacity
4 T/H
Steam Pressure
1.25 MPa
Steam Temperature
194 ºC
Feeding Water Temperture
20 ºC
Designed Fuel
Class Aii Coal
Coal Consumption
591 Kg/H
Heat Efficiency
Max. Transport Weight
32 Ton
Max. Transport Size (Lxwxh)
Assembly Size
Transport Package
Standard Seaworthy Package
Wuxi, China
HS Code
1. Who am I ?

I am 
SZL series coal-fired horizontal double-drum steam boiler. I am produced as the following steps:

4t Industrial Horizotal Packaged Chain Grate Steam Boiler

2. What uniqure features do I have ?

2.1 After simplifying the water-cycle route, we can reduce the water-cycle resistance, raise ascending tube velocity, improve the stability of the water cycle and ensure a safe and stable operation.

2.2 Design enough heating surface, which makes more heat from fuel absorbed. Flue smoke temperature can be lower than 170ºC.

2,3 Reasonably design front and back arch to improve the temperature in the furnace. We also strengthen the disturbance of smoke in the high temperature area. These reduce heat lose and fly ash loss as a result of incomplete combustion.

2.4 We adopt light chain grate and independent air chamber. We strengthen the seal airtight of the two sides of chain grates. These make the fuel burn fast and fully.

2.5 Our boiler have a large convection heating surface, a stable performance and even a long time overload work. What's more, we design the convection tube bundles in alternate permutation instead of in line arrangement. All of these designs make our boilers obtain a higher heat efficiency than normal, up to 81%.
2.6 We design double side air inlet and independent air plenum. And at the exit of furnace, we set up a smoke separation device by inertia, which makes the original discharging dust concentration lower than 1800 mg/Nm3. Our high efficiency dust collector makes sure the dust removal efficiency up t0 90%, SOX and NOX removal efficiency up to 98%. These measures can meet the global demands and standards of environmental protection.
2.7 Compact structures are designed, except the 4t/h and 6 t/h packaged steam boiler. That can save boiler house and reduce the installation workload and time.

2.8 We enlarge the diameter of steam drum to supply a big space of water-steam separation device. So that we can offer steam in good quality.

2.9 High automatization, safe and easy operation. In the electrical control cabinet, we design automatic feeding water, alarm and safety interlock of high/low water level, air blower and draft fan.

3. What are my control and safety systems?

3.1 The control and safety systems are interlocked in an electric control cabinet.

3.2 Alarm system
3.2.1 Sound-light alarm of high and super-high steam pressure;
3.2.2 Sound-light alarm of high and lowe water limit level;
3.2.3 Sound-light alarm of pressure loss in the water pumps;
3.2.4 More safety devices are designed and connected with the electric control cabinet (ECC). More details will be explained in the ECC Manual.

4. Where is my home?

4t Industrial Horizotal Packaged Chain Grate Steam Boiler
5. Model No.
Model Rated evaporation(t/h)Rated working pressure(MPaRated steam temperatureThermal efficiency(%)
SZL6-1.25-AII1.25194 82.8
SZL10-1.25-AII10 1.2519483.2
SZL30-2.45-AII302.4522 586
Product thermal capacity:4-35 t/h
Working pressure:1.0-2.5 MPA
Outlet temperature:184-350 ºC
Available fuel:Bituminous coal, lean coal, anthracite
Available industries:Heating, chemical, food, tobacco, textile, print and dyeing, feed, medicine, building materials, wine, hospital

4t Industrial Horizotal Packaged Chain Grate Steam Boiler
4t Industrial Horizotal Packaged Chain Grate Steam Boiler
4t Industrial Horizotal Packaged Chain Grate Steam Boiler

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