Product Details

Chain grate stoker coal boiler

Condition New
Type Natural Circulation
Usage Industrial
Structure Fire Tube
Pressure Low Pressure
Style Horizontal
Fuel Coal-fired
Place of Origin Shandong, China
Brand Name TONGHAI
Model Number DZL
Output Steam
Dimension(L*W*H) Customization
Weight Customziation
Certification ASME ISO SGS CE
After-sales Service Provided Engineers available to service machinery overseas

Product Features

Product Description

Chain grate stoker coal boiler


1.The boiler adopt single drum, monolayer arrangement, compact structure, sufficient output, safe and reliable                  operation, short construction period, and low installation cost etc.

2.It adopts automatic operation chain grate, water tube structure which ensures boiler safe operation and extend              service life.

3.The design of cyclone  reburning chamber in furnace resulted in the decrease of dust contained in the flue gas. At the   same time, incandescent carbon black particles shall burn further, enhancing the boiler thermal efficiency, and                   decreasing gas blackness, as a result, the gas emission concentration shall meet the requirements of grade A                      environmental  protection area.

4.The grate employ the technology patent of small roller structure, boundary grate and so on, improving the operation      reliability of the boiler.

5.Since the adoption of technology patent for the sealed wind chamber and bilateral grate air register, and the application of machining cone seal structure to grate adjusting air equipment, the sensitivity of the grate shall be improved.

6.According to the customers' requirements, other energy saving equipment, shall be matched.


Model/Parameter/Item
DZL(W) 1-0.7-AII
DZL(W) 2-0.7/1.25-AII
DZL(W)4-1.25/1.6-AII
DZL(W) 6-1.25-AII
DZL(W)8-1.25-AII
DZL(W) 10-1.25-AII
DZL(W)20-1.25-AII
Rated capacity
t/h
1
2
4
6
8
10
20
Operation pressure
Mpa
0.7
0.7/1.25
1.25/1.6
1.25
1.25
1.25
1.25
Steam temperature
169.6
169.6/194
169.6/194
194/203
194
194
194
Water-inlet temperature
20
20
20/60
20
20
105
105
Boiler heating efficiency 
%
74.41
77
81
81.5
82
82.75
82.75
Area of stoker
m2
1.74
3.04
5.14
7.4
11.4
11.4
20.8
Weight of biggest parts for shipment
t
16.7
18/19
27/29
32
42
40
30
Fuel 
Coal available
II type bituminous coal
Consumption
kg/h
145
290
580
960
1220
1490
Dimensions of biggest parts for shipment (L x W x H)
m
4.53*1.9*3.07
5.82*2.1*3.22
6.5*2.66*3.52
7.7*3*3.54
7.1*3.2*3.5
8.2*3.3*3.6
9.45*3.77*7.1

a.Boiler Rated output :1t/h-20t/h

b.Boiler Rated steam pressure:0.7/1.25/1.6 Mpa

c.Boiler Steam temperature:169-226degree

d.Boiler Thermal efficiency: ≥80%

h.Apply fuel:coal,wood pellet,sawdust,peanut shell etc



Certifications



Auxiliaries boiler
Our Service

Pre-Sales Service

* Inquiry and consulting support. 

* Sample testing support. 

* View our Factory. 

*  Provide the completely design drawing and technical training service.

After-Sales Service

* Training how to instal the machine, training how to use the machine. 

* Engineers available to service machinery overseas.

* Boiler body warranty 2 years.

Packing & Delivery
Company information

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. 



FAQ

How to install a boiler?
Our boiler provides completed installation drawing and manual, or send engineer abroad for installation guidance.

How many years is the boiler’s life?
The boiler is designed for 20years life.


How to choose a boiler model?
 Confirm the type (steam or hot water), capacity, pressure (or output temperature need) and fuel(coal, biomass, gas or oil) of the boiler, Tonghai Boiler will suggest a suitable model based on your usage

 How is the warranty term?
If any problems caused for quality during the warranty period, the Seller will repair or replace the broken parts for free, if the problem caused from the client’s side, the Seller will help supply the spare part at lowest cost.

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