Double Drums Pressured Coal Steam Boiler 20 Ton Horizontal Thermax Fire Tube Boiler
SZL Series 2 Drums Pressured 12ton Coal Fired Steam Boiler
Features of SZL Series double drums industrial coal fired boiler
1). This series boiler belong to double drums water tube boilers, designed for blowdown on surface and the quality of steam is pretty good.
2). Steam boiler is devided into saturated steam boiler and overheat steam boiler and meet the needs in seperated.
3). Boiler main body and grate adopt large parts for ex-factory, short installation time and low charge for installation.
4). Boiler capacity of 4-35T / H (2.8-29MW).
1. The body adopts single drum structure, water tube and fire tube mixed design, full layout of heating surface and high thermal efficiency;
2. Mechanized combustion;
3. Environment friendly and energy saving;
4. Complete auxiliaries and high self-control;
5. The body and the base are separately delivered. The installation cycle is short and the installation cost is low.
| SZL Series coal-fired steam boiler technique parameter | ||||||||
| Item/Type | SZL4-1.25-AII SZL4-1.6-AII | SZL6-1.25-AII SZL6-1.6-AII | SZL8-1.25-AII SZL8-1.6-AII | SZL10-1.25-AII SZL10-1.6-AII | SZL15-1.25-AII SZL15-1.6-AII | SZL20-1.25-AII SZL20-1.6-AII | SZL25-1.25-AII SZL25-1.6-AII | |
| Rated capacity t/h | 4 | 6 | 8 | 10 | 15 | 20 | 25 | |
| Rated steam pressure Mpa | 1.25/1.6 | 1.25/1.6 | 1.25/1.6 | 1.25/1.6 | 1.25/1.6 | 1.25/1.6 | 1.25/1.6 | |
| Rated Steam Temperature Degree | 194/204 | 194/204 | 194/204 | 194/204 | 194/204 | 194/204 | 194/204 | |
| Feed water temperature Degree | 20 | 60 | 60 | 60 | 105 | 105 | 105 | |
| Heated area | Radiation convection | 15.6/112 | 21.6/132 | 25.2/171.5 | 29.5/204.1 | 37.21/284.68 | 58.4/307.4 | 64.8/384.8 |
| Boiler Thermal efficiency % | 81 | 80.3 | 81.6 | 81 | 81 | 80.7 | 80 | |
| Fuel Consumption kg/h | 658 | 1002 | 1336 | 1673 | 2535 | 3378 | 4272 | |
| Effictive area of grate | 6.4 | 7.8 | 10.04 | 11.8 | 17.81 | 22.56 | 24.52 | |
| Max. transport size | L (mm) | 7070 | 7860 | 6900 | 7900 | 9300 | 11500 | 12000 |
| W (mm) | 2750 | 2960 | 3100 | 3100 | 3300 | 3300 | 3300 | |
| H (mm) | 3524 | 3524 | 3525 | 3525 | 3522 | 3540 | 3540 | |
| Weight of largest parts of boiler transporting (T) | 31/31.4 | 34.5 | 30 | 34 | 44.5 | 55 | 60 | |
We choose the best way to pack and load our boilers. All parts will be complete and work well. Professional factory offers professional and safety service.

Our Main Product scope:
1.Fire tube series Horizontal oil/gas fired boilers (0.5-30T/H, 0.7-21MW)
2.Water tube series Horizontal Oil/gas fired boiler (4- 35T/H )
3.Vertical fire tube series Vertical Oil/gas fired boiler (0.1-2 T/H, 0.06-0.7MW )
4.Large drum chain grate new type water fire tube boilers (1-35T/H, 0.7-29MW)
5. Double drum chain grate series water tube biomass boilers (4-35T/H, 1.4-29MW)
6. Electric boiler boiler ( 10--50 T/H)
7.Oil/Gas fired thermal oil boiler
8.Coal fired thermal oil boiler heater
9. High/low pressure of various fuels,CFB Circulating Fluidized Bed boiler ( 35T--400T )
Our company EPCB is specializing in the design and production of boilers. Our main products include coal fired boilers, biomass fired boilers, CFB circulating Fluidized Steam Bed Boilers, oil gas fired boilers, thermal oil heaters and some boiler accessories.
All of our boilers have been approved by the Provincial Environment Department and have been widely used in many kinds of industrial production areas for steam supplying, such as textile industry, sugar industry, chemical factories, paper factories, food industry, schools, hospitals, military industry and other commercial operations.
1. 100%safety, running stably, excellent water level and pressure control, fully automatic operation. Adopt multi-level interlocking protection.
2.Boiler running life > 20years.
2. Good after-sale service. It is free for you to get the damaged spares in warranty period (1 year) if there is any questions. Assure that we can supply you spares in boiler’s all life.
4. Use special paint after assembly. Paint is especially suitable for your climate area, with corrosion resistance, wear resistance and color fastness.
5. If you have any problems during the installation and use, please feel free to contact us. We will contact you at the first time to solve the problems. We have many after-sales service centers, as well as efficient multilingual, telephone, video services and professional and reliable remote services.
6.Comprehensive after-sales service. We can design layout drawings of boiler system according to your actual requirement. Also can arrange engineers to guide installation & commissioning.
Q: Are you manufacturer?
A: Yes, we are the largest boiler manufacturer in China. We have our own factory with 120,000m2 area.
Q: How can I choose the suitable model for our factory?
A: Please tell us the boiler capacity, the fuel you plan to use and the steam pressure you need, and then we can choose the suitable boiler model and send quotation to you immediately.
Q: How can I get the best price quickly?
A: Please tell us your name, email address and company name, and then we will send you price list immediately. And if you use Whatsapp, Skype or Wechat, you can provide us your ID, it will be more convenient for our communication.
Q: What about the delivery time?
A: Usually the delivery time is about 30 days, if you need boiler urgently, we can discuss about it again and reduce the production time to help you get boiler earlier.
Q: How can you convince me of your boiler quality?
A: Our factory has more than 35 years experience in industrial boiler production, and we have exported to more than 60 countries; and our product has passed Chinese-government Standard, ASME standard, CE standard and get ISO9001, EAC, SGS Inspection Certificates.
Q: What about the installation?
A: After you receive the boiler, we will guide you to make some preparation for installation. If necessary, we can send engineers to your local to guide the installation.
Q:What is the using life of your boiler?
Normally the boiler is design for 20 years life, but with right operation and good maintenance, the boiler can be use 20-25 years.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.






