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GRATE BOILERGRATE BOILER
DHL SERIES DHL SERIES CORNER TUBE CHAIN
Energy-saving,Efficient,Environmental
SINCE���1945
A Hundred Years Centuries Bridge
Zhengzhou Boiler Co., Ltd., founded in 1945, has been through 72 years' glorious history, has three subsidiaries
and possessing the domes�c highest level boiler manufacturing license-A class, also the ASME cer�ficates. It is
the biggest and most professional industrial boiler and power genera�on boiler in Midwest.
Science and technology help the enterprises become excellent, and the brand becomes its advantages over its
compe�tors. Over the years, ZBG has cul�vated a high-efficiency, high-quality R & D team, holding more than
300 professional and technical personnel, and 130 na�onal patents. ZBG has long-term coopera�on with more
than 10 well-known research ins�tu�ons, such as Chinese Academy of Sciences, Tsinghua University, Xi'an
Jiaotong University, etc. Nowadays, ZBG's selling network has pervaded more than 80 countries and regions,
more than 10,000 successful project cases, which makes ZBG become the backbone of boiler industry in china.
In 2016, ZBG successfully signed Zheng-luo-xin na�onal independent innova�on demonstra�on zone, and fully
started industry 4.0 super smart factory construc�on projects. With the requirement of high standard, high
output, high-quality construc�on, and keep its technology and product development always in the forefront of
the industry.
Company profileCompany profile
A Manufacturing
License
130+National
Patents
10000+Customer
Cases
72 Years
History
SINCE���1945SINCE���1945
DHL series corner tube chain grate biomass boiler adopts GEF program's technology. Based on the domestic technical research, according
to the technical development characteristics and market demand of chain grate, we carried out independent innovative design so as to
produce the high-capacity energy-saving chain grate boilers with advantages of reliable water cycling, efficient burning and low pollution.
Such series boilers can burn not only shaped biomass pellets or bulk materials, but also coal.
Capacity:10-170 t/hDesign thermal efficiency:78-83%Applicable fuel: bituminous coal, anthracite, rice husk, straw, sawdust, bagasse and other biomass fuelsApplication: power generation, central heating
Product introductionProduct introduction
SINCE���1945SINCE���1945
Adopting two patents: the flying dust internal cycling fluidized re-combustion
device based on the high temperature separation technology; the combined
design of equal flow speed for the flag type convection heating surface of corner
tube boilers.
Leading Technology1
Adopting crossgirder grate, with less running resistance, better grate cooling
effect, lower breakdown rate and less fuel leakage.
Operation Safety2
Light supporting wall structure which has the advantages of better insulation
ability, no dust leakage and environment friendly. Besides, the boiler adopts
technologies like secondary air turbulent flowing pattern, fly ash separation based
on high temperature and fly ash internal cycling fluidized re-combustion.
Energy Saving And Environmental Protection3
Product featuresProduct features
SINCE���1945SINCE���1945
Steam Boilers
Rated Steam Pressure
Rated Steam Temperature
Feed Water Temperature
Fuel TypeModel
DHL20-1.25-AⅡ
DHL25-1.25-AⅡ
DHL35-1.25-AⅡ
DHL35-1.6-AⅡ
DHL35-2.5/400-AⅡ
DHL45-2.5/400-AⅡ
ZG-30/3.82-T
Rated Steam Capacity
(t/h) (MPa) (℃) (℃)
ZG-40/3.82-T
ZG-45/3.82-T
ZG-50/3.82-T
ZG-65/3.82-T
ZG-75/3.82-T
20
25
35
35
35
45
30
35
40
45
50
65
75
ZG-35/3.82-T
1.25
1.25
1.25
1.6
2.5
2.5
3.82
3.82
3.82
3.82
3.82
3.82
3.82
194
194
194
204
400
400
450
450
450
450
450
450
450
105
105
105
105
105
105
105
105
105
105
105
105
105
ZG-75/5.29-T
ZG-90/3.82-T
ZG-90/5.29-T
75
90
90
5.29
3.82
5.29
485
450
485
150
105
150
Hot Water Boilers
Fuel TypeModel
QXL29-1.25/130/70-AⅡ
QXL46-1.25/130/70-H
QXL46-1.6/150/90-H
QXL58-1.6/130/70-H
QXL58-1.6/150/90-H
QXL70-1.6/130/70-H
QXL70-1.6/150/90-H
QXL116-1.6/150/90-AⅡ
QXL116-1.6/130/70-AⅡ
Rated Steam Capacity
(MW)
Rated Steam Pressure
(MPa)
Rated Steam Temperature
(℃)
Feed Water Temperature
(℃)
29
46
46
58
58
70
70
116
116
1.25
1.25
1.6
1.6
1.6
1.6
1.6
1.6
1.6
130
130
150
130
150
130
150
130
150
70
70
90
70
90
70
90
70
90
Note: The design of the above boiler model fuel is only one of a variety of fuels, each type of boiler can be provided in accordance with the fuel provided by the customer.
Technical parametersTechnical parameters
Bituminous Coal
Biomass
Bituminous Coal
Lignite
Bituminous Coal
Unit Unit
SINCE���1945SINCE���1945
46MW Corner Tube Hot Water Boiler Biomass steam boiler
出⽔
Boiler lchnographyBoiler lchnography
SINCE���1945SINCE���1945
Dhl Series Corner Tube Chain Grate Boiler
●
●
Z4 Z3 Z2 Z1
AChimney
Induced Draft Fan
Dust Collector Cyclone Dust Collector Feed Pump Slag Remover Boiler Blower
Front Bunker
Feeder Plant
Feeding Belt
Boiler systemBoiler system
SINCE���1945SINCE���1945
Relevant casesRelevant cases
30 Tons Biomass Boiler Project in Colombia
65 Tons Corner Tube Chain Grate Boiler In Nagqu45 Tons Biomass Power Plant Boiler Project in Zhumadian
SINCE���1945SINCE���1945
We provide all customers with original standard parts and " processing with supplied drawings" to
meet the practical needs of customers, so that all customers' after-sales without worry.
All of our work always focus on one goal: To provide customers with the most valuable boilers and
services.Service ideaService idea
Free maintenance within 12 months Free maintenance within 12 months
from shipmentfrom shipment
Providing technical consultation and Providing technical consultation and
reply with in 30 minutesreply with in 30 minutes
Dispatching engineers Dispatching engineers
within 24 hourswithin 24 hours
Accepting service requests Accepting service requests
in 365 days a yearin 365 days a year
In ZBG, we promise to all users:
Add:
NO. 88 Science Avenue, National High-Tech industrial
Development Zone, Zhengzhou, China.
Tel: 0086-371-86062323
Fax: 0086-371-67838093
E-mail: [email protected]
United Pragmatic Efficient Innovative