The features of chain grate water-fire tube boilers
-DZL series water fire tube boiler applies horizontal, longitudinal distributed three-pass structure, water cooling walls are arranged at each side for heat radiation;
-Two pass screw flue tubes are built inside drum, the flow of flue (smoke) is three pass;
-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;
-Large heating surface, good heat conduction, sufficient output and low exit flue temperature;
-Packaged boiler and layer structure, short installation period and low installation cost;
-The best quality accessories results in reliable operation and long life-span;
-The boiler employs chain grate, automatic fuel feeding, intelligent controller with touch screen, fully automatic operation;
| Description |
energy-saving water-fire tube pressure hot water boiler |
| DZL1.4-1.0/95/70-BMF |
DZL2.1-1.0/95/70-BMF |
DZL2.8-1.0/95/70-BMF |
DZL4.2-1.0/95/70-BMF |
DZL5.6-1.0/95/70-BMF |
| Rated thermal capacity(MW) |
1.4 |
2.1 |
2.8 |
4.2 |
5.6 |
| Rated working pressure(Mpa) |
1 |
1 |
1 |
1 |
1 |
| Outlet/inlet temperature(ºC) |
95/70 |
95/70 |
95/70 |
95/70 |
95/70 |
| Heating surface |
Body(m3) |
70 |
89 |
123.2 |
175.5 |
252.3 |
| Effective grate area(m3) |
3.85 |
5.4 |
6.2 |
8.6 |
11.3 |
| Applicable fuel |
biomass pellet/coal/saw dust/coconut shell/etc |
| Low heating value(Kj/kg) |
16830 (biomass pellet) |
16830 (biomass pellet) |
16830 (biomass pellet) |
16830 (biomass pellet) |
16830 (biomass pellet) |
| 18757 (bituminous coal) |
18757 (bituminous coal) |
18757 (bituminous coal) |
18757 (bituminous coal) |
18757 (bituminous coal) |
| Fuel consumption(Kg) |
~395 |
~597 |
~799 |
~1120 |
~1595 |
| ~330 |
~510 |
~714 |
~1050 |
~1250 |
| Heat efficiency(%) |
83.6 |
83.6 |
83.6 |
86.5 |
88.6 |
| Max shipping weight(Kg) |
~21.5 |
~25.5 |
~32.547 |
~36 |
~46 |
| Max dimensions after installation(m) |
6.2×2.5×3.35 |
5.85×2.5×3.54 |
6.7×2.75×3.8 |
9.55×3.1×5.0 |
10.8×3.4×5.1 |
| FD fan |
Model |
GG2-15 right 0° |
GG4-15 right 0° |
GG4-15 right 225° |
GG6-15 right 225° |
GG8-15 right 225° |
| Air volume(m3/h) |
2600/4200 |
7200/12000 |
7200 |
7000/10000 |
7000/12000 |
| Air pressure(pa) |
2550/3138 |
3314/2844 |
3314 |
2824/3099 |
2824/3099 |
| Speed(r.p.m) |
2900 |
2900 |
2900 |
1450 |
1450 |
| Capacity(KW) |
5.5 |
11 |
11 |
11 |
15 |
| Motor |
Y132S1-2 |
Y160M-4B3 |
Y160M-2B3 |
Y160M-4835 |
Y160M-4B3 |
| ID fan |
Model |
GY2-15 right 45° |
GY4-15 right 45° |
GY4-15 right 0° |
GY6-15 right 225° |
GY8-15 right 0° |
| Air volume(m3/h) |
5200/8500 |
11500/14000 |
14000 |
15756/19320 |
15756/19320 |
| Air pressure(pa) |
3020/3668 |
3805/3628 |
3920 |
4057/4106 |
4057/4106 |
| Speed(r.p.m) |
1450 |
1450 |
1450 |
1450 |
1450 |
| Capacity(KW) |
11 |
22 |
22 |
37 |
45 |
| Motor |
Y160M-4 |
Y100L-4B |
Y180L-4B3 |
Y225S-4B3 |
Y225S-4B3 |
| Speed adjuster |
Model |
GL-5P |
GL-5PA |
GL-5PA |
GL-10P |
GL-16P |
| Capacity(KW) |
0.37 |
0.55 |
0.55 |
0.75 |
1.1 |
FAQ
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 eighteen months (18) warranty counting from the date of shipment or fourteen (14) 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 5 ton/hr or 3.5 MW can't be loaded into standard container.
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