BOILERBOILEREnergy Conservation,
Efficiency,Environmental Protection
DZL SERIES DZL SERIES CHAIN GRATE
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
Sectional Axonometric Drawing
�ZBG DZL double-wind-gas-dust series boiler is independently by our company as
the fourth generation horizontal water tube and fire tube package
chain grate boiler. We have patent rights to this product, and DZL series has won
the State Ministry of Electrical and Mechanical Quality Award, the
provincial quality products, provincial and municipal outstanding new product
awards, provincial and municipal scientific and technological progress
awards. It is the State Electrical and Mechanical Energy Products Promotion
Project. DZL series boiler is equipped with fast, time-saving, compact
structure, small footprint, etc., with high reliability, high thermal efficiency and
strong overload capacity. The large-size components (mainly on the body
and the lower base) has been assembled in the factory, when they are installed,
just complete the interface and auxiliary and pipeline system. DZL series
adopts light chain belt with a high degree of automation, with dust removal
equipment, lessenvironmental pollution, with a good comprehensive
economic and technical indicators, the product is well praised by the majority of
consumers
Capacity: 2-10 t/hDesign thermal efficiency: 76-80%Applicable fuel: bituminous coal, anthracite, rice husk, straw, sawdust, bagasse and other biomass fuels
Application: central heating, district heating and industrial steam
Product introductionProduct introduction
SINCE���1945SINCE���1945
By adopting the water-cooling system in packaged boilers which is usually used in
power plant boilers, the boiler can achieve large heat transfer area, high heat
transfer efficiency, low heat loss, good air tightness, and no distortion or dust
leakage of the brickwork. because of direct heating the down side of the drum.
Advanced design, perfect performance1
The structure of the arches adopt the latest research product, second prize of
advance awarded by Xi'an Jiaotong University. The back arch is low and long and
the part near the exit is inverse inclined type, while the front arch is 45 inclined
type, they together form a downside "a" flame structure, which makes the lean
coal combustion easier and it can adjust itself to a wide range of coal types.
Wide variety of fuel2
a. There is push-pull type damper ash removal device. The damper adopts
finish machining cast iron seal structure, thus the secondary combustion distortion
and air leaking in the grate is effectively prevented.
b. The double-wind-gas dust design makes the flue gas smoothly enter the front
smoke box and the temperature of the front tube plate is the same and lower
than 600 ℃,�It can avoid tube plate crack caused by the DZL chain grate coal
fired boiler.
c. Exclusive configuration from the drum center line 750mm assembly wall wall
tube, completely solve the drum and the box heat up cold shrinkage caused by
the drawbacks of the weld.
Reasonable structure and safe operation3
Product featuresProduct features
SINCE���1945SINCE���1945
Rated Steam Capacity
Main Steam Valve
Economizer Feed Water
Main Steam Valve
Deputy Steam Valve
Max Shipping Weight(LxWxH)
Max ShippingWeight(LxWxH)
(M) (K) (m)(t/h)
(t)
DZL2-0.8
DZL2-1.0
DZL2-1.25
DZL4-1.25
DZL6-1.25
DZL6-1.6
DZL10-1.6
DZL2-0.8
DZL4-1.25
DZL4-1.6
DZL6-1.25
400
Foundation
s a1 a2 b1 b2 b3
Max Outline Dimension(LxWxH)
c1 c2 c3
Safety Valve
Coal Bucket
Safety Valve
400
400
400
300
300
0
400
400
400
300
3025
3025
3025
5230
6125
6125
7160
3025
5230
5230
6125
2500
2500
2500
2100
2100
2100
3110
2100
2500
2500
2500
7150
7150
6110
5200
5200
5200
8460
5200
6110
6110
7150
2600
2600
2510
2100
2100
2100
3100
2100
2510
2510
2600
3528
3528
3380
3492
3492
3492
4535
3492
3380
3380
3528
8870
8870
7900
7430
7430
7430
11050
7430
7900
7900
8870
3650
3650
3060
2700
2700
2700
3300
2700
3060
3060
3650
6030
6030
4745
4700
4700
4700
4600
4700
4745
4745
6030
1806
1806
1970
1970
1970
1970
2580
1970
1970
1970
1806
3828
3828
3780
3892
3892
3892
4535
3892
3780
3780
3828
3828
3828
3780
3892
3892
3892
4535
3892
3780
3780
3828
PN2.5��DN50
PN2.5��DN40
PN2.5��DN50
PN1.6��DN40
PN2.5��DN40
PN2.5��DN50
PN1.6��DN40
PN2.5��DN40
PN2.5��DN40
PN2.5��DN50
PN1.6��DN40
Exhaust Gas Temperature
1404*612
1404*612
1120*496
920*360
920*360
920*360
1426*1240
920*360
1120*496
1120*496
1404*612
PN2.5��DN125
PN2.5��DN100
PN2.5��DN125
PN1.6��DN80
PN2.5��DN80
PN1.6��DN80
PN2.5��DN150
PN1.6��DN80
PN2.5��DN100
PN2.5��DN100
PN2.5��DN125
PN2.5��DN25
PN2.5��DN25
PN2.5��DN25
PN1.6��DN25
PN2.5��DN25
PN1.6��DN25
PN2.5��DN50
PN1.6��DN25
PN2.5��DN25
PN2.5��DN25
PN2.5��DN25
PN2.5��DN50
PN2.5��DN50
PN2.5��DN50
PN1.6��DN40
PN2.5��DN40
PN1.6��DN40
PN2.5��DN80
PN1.6��DN40
PN2.5��DN50
PN2.5��DN50
PN2.5��DN50
39.3
38.3
32.2
19.3
19.4
19.3
50.9
19.3
32.2
32.8
38.3
Steam Boilers
Technical parametersTechnical parameters
Steam Boilers
Coal
Biomass
Interface Interface Interface Interface InterfaceUnit
SINCE���1945SINCE���1945
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
● ●
●
●●
●
●
●
●
●
●
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4t/h Single Drum Chain Grate Boiler
Boiler lchnographyBoiler lchnography
6t/h Single Drum Chain Grate Boiler
SINCE���1945SINCE���1945
The System Diagram DZL Economizer Boiler Room(Normal Feed Water)
●●
P
PG PTG
1 2 3 4
PGTG TG
P P
P
●●
PG PTG
1 2 3 4
PGTG TG
P
P
P
P
P
P
Chimney
Electric ControlCabinet
Coal Feeder
Governing Box
Boiler
Grate
Manual Blowdown Induced Draft Fan
Slag Extractor
EconomizerDust Collector Desulfurizer
Blower
Boiler Water Sample
Continuous Blowdown
Feed Pump
Soft Water Sampling
Water Source
Water SoftenerWater Tank
Deaerator
Cylinder
Deoxygenated Water Pump
Electric ControlCabinet
Coal Feeder
Governing Box
Boiler
Grate
Manual Blowdown Induced Draft Fan
Slag Extractor
Economizer
Dust Collector Desulfurizer
Blower
Boiler Water Sample
Continuous Blowdown
Chimney
Feed Pump
Soft Water Sampling
Water Source
Water SoftenerWater Tank
Cylinder
LEGEND:
PS
P
M
M
TT
PG
TG
PT
P PTG
5
2
4
3
1Filter
Ball Valve
Pressure Reducing Valve
Bellows
Pressure Controller
Throttle Valve
Sluice Valve
Globe Valve Or Plunger Valve
Check Valve Or One-way Valve
Butterfly Valve
Electrical Butterfly Valve
Solenoid Valve
Pneumatic Butterfly Valve
Water Pump
Safety Valve
Pressure Gauge
Pressure Transmitter
Local Pressure
Local Temperature
Temperature Transmitter
Double-colour Water Gauge
Water Level Alarm
Water Level Gauge
Water Monitor
Equalizing Reservoir
Local Pressure And Transmitter
The System Diagram Of DZL Economizer Boiler Room(Deaerator)
Boiler systemBoiler system
SINCE���1945SINCE���1945
Relevant casesRelevant cases
DZL Series Boiler Shipping To Bali28 Tons Efficient Energy-saving Chain Grate Boiler Project in Nanjie Village 10 Tons of Boiler Project for Angel Yeast Co., Ltd.
Kazakhstan 6 Tons Boiler Project Tanzania 4 Tons DZL Boiler Project
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]
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