China Coal Fired Steam Boiler for Sale
1.The boiler shall employ single return screwed pipe,arched tube plate,and aerofoil flue,which shall make quasi-steel resistance of the shell to change into quasi-steel,avoiding tube plate crack due to high temp.
2.The rational design of cycle scrap,shall prevent the bottom of the shell from being heated & swelling.Water circulation reliabilities shall be improved by installing supply water injectors,avoiding the ash deposition of water-wall tube.So the reliable combusion equipment shall ensure the normal operation of the boiler.
3.The optimization of boiler type shall decrease the size of boiler body,reducing the cost of boiler house 30%.
4.Because of excellent combustion efficiency,automatic coal supply,automatic slag-removal,the labor intensity of the stoker shall be reduced.
Technical specificationa:
Model/Parameter/Item |
DZL 2-0.7-AII |
DZL 2-1.25-AII |
DZL 4-1.25-AII |
DZL 4-1.6-AII |
DZL 6-1.25-AII |
||
Rated capacity |
t/h |
2 |
2 |
4 |
4 |
6 |
|
Operation pressure |
Mpa |
0.7 |
1.25 |
1.25 |
1.6 |
1.25 |
|
Steam temperature |
C |
169.6 |
194 |
194 |
203 |
194 |
|
Water-inlet temperature |
C |
20 |
20 |
20 |
60 |
20 |
|
Heating efficiency |
% |
77.4 |
77.4 |
81 |
81 |
77.4 |
|
Area of stoker |
m2 |
3.04 |
3.2 |
5.4 |
5.4 |
7.48 |
|
Steam valve diameter |
mm |
PN1.6 DN80 |
PN1.6 DN80 |
PN1.6 DN100 |
PN2.5 DN100 |
PN1.6 DN125 |
|
|
Water inflow valve diameter |
mm |
PN1.6 DN40 |
PN1.6 DN40 |
PN1.6 DN50 |
PN2.5 DN50 |
PN1.6 DN50 |
|
Fuel |
Coal available |
|
II type bitumite,lcv:17700-21000KJ/kg |
||||
Consumption |
kg/h |
290 |
290 |
580 |
580 |
960 |
|



Welcome to QingDao TongHai Industrial Equipment Ltd.
We were established in 2000 year,
belong to Italy Heating Group wholly-owned boilers manufacturer.
As the Europe manufactory, we intoduce boiler schemes, production line, inspection, services all from our Italy Headquarters.
Following EU services, we provide the boiler 3 years warranty for clients.
No only in China and Asia area, we are also responsible for supplying products to othr parts of the world.
We are located in QingDao, Hi-Tech industrial park, investment thirty million dollars,
and occupy one hundred thousand square meters.
Our company is about 30 minutes' drive from QingDao airport,
and you are most welcome to visit us when you are in China.
Quality
Strength calculation report with applied materials information;
100%NDT(non-destructive inspection) report of steel plate, tube and welding rod;
100% X-ray inspection report (welding seam): to ensure the quality of the entire boiler;
Hydraulic test report: ensure the standard working pressure and safety;
------We can help design and manufacture boilers according to customers’ special requirements.
------Engineers are available service overseas
------boiler body warranty 2 years
------Engineers 24hours online
How much steam capacity do you want ?
Answer: 0.5Ton/hr to 100Ton/hr
How much working pressure it the boiler ?
Answer: 4bar ~ 75bar
What kind of fuel do you prefer ?
Answer: L.P.G., Natural Gas, Light Diesel, Heavy Oil etc
And, what are the electric conditions in your market ? Voltage, HZ etc
Answer: 380V, 50HZ, 3Phase
Send Inquiry to This Supplier
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