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Dongri
Brand normal pressure water boiler,steam boiler |
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Dongri
Brand normal pressure water boiler,steam boiler
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Dongri
Brand normal pressure water boiler and steam boiler is the
honored product by Dongri Thermal Energy Equipment Co.,Ltd
which is also deely trusted by customers. It has won nation
level prizes for many times.It is made with imported stainless
steel.In design,reinforced thermal energy conversion technology
which is internationally advanced is adopted.Quality assurance
system is observed strictly in the course of production and
installation.Therefore this series of products have a long
service life,high thermal efficiency and reliable quality.
Dongri
Brand normal pressure fuel oil water boiler and steam boiler consists of two
series,a dozen of varieties,suitable for residence,apartment, ,hotel,sauna,hospital,school,factory,army
and
farm,is the ideal equipment for getting hot water,boiled water and steam.
mation |
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II.Superior
characteristics |
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Safety:Dongri
Brand water boiler is normal pressure boiler.Thanks to no pressure
in the course of running,its safety properties are high,and
it is not monitored by labor safety departments and need for
certificated boiler worker to operate this equipment. |
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| Normal
pressure water boiler,steam boiler |
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Reliability:The
water boiler adopts stainless steel material,combustor and
control components are imported from famous manufacturers
after strict inspection and selection.The process
from raw materials purchase,design to production and after-sales
service is controlled strictly by quality assurance system,so
the quality of this product is obviously superior to any other
manufacturer.
Superiority:Dongri
Brand water boiler adopts advanced and unique design structure
and special technologies,which make its thermal efficiency
attain over 87%.Energy-saving ,no vibration in operation, low
noise,full combustion and lampblack pollution elimination.The
advanced micro-computer automatically-controled system conducts
automatic control over waterlevel,temperature,running of combustor
and timing start/stop and so on.Dismantable combination structure
make check and maintenance more convenient.
Economical:Dongri
Brand water boiler adopts vertical structure,occupy small space,save
land and construction cost.The adoption of unique design structure
improves thermal efficiency and reduces fuel consumption.The
adoption of the automatic intelligent controlling system reduces
labor tension of the workers and running cost,and the improvement
of safety and reliability reduces maintenance expenditure every
year.
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III.Working
principle of the system |
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Working
principle of the water heating system |
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| 1. |
In
the set time,cold water is taken in,at the same
time water boiler heat the water.After the cold
water is heated in the water boiler,it flow into
the water tank.When the water level in the water
tank reachs the set water level,cold water feed
punp stop working. |
| 2. |
In the set time,when the temperature of the water
in the water tank is lower than the set temperature,
the cycle pump starts working,exhaust the low temperature
water in the water tank into the water boiler to
be heated again and again.When the temperature
of the water in the water tank reaches the
set temperature, the cycle pump and water boiler
stop working. |
| 3. |
In
the set time,pressured backwater pump work to return
low temperature water in the hot water pipe to
the water boiler to be heated again,and send the
hot water to the part where hot water is consumed.Open
hot water valve,hot water will flow out. |
| 4. |
When oil level
in the oil level tank is lower than the set level,gear
oil pump work to exhaust oil.When oil level in
the oil level tank reaches the set oil level,it
stops working. |
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Working
principle of water boiling system |
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| 1. |
Cold
water enter water boiler via water compensating
tank.When water level in the boiler reaches the
set water level, the float ball valve in the water
compensating tank is closed to stop water from
entering. |
| 2. |
In
the set time,water boiler work to boil the water.When
the temperature in the boiler is lower than 100。C,the
electromagnetic valve is closed,the boiler goes
on boiling water.The system goes on cycling like
this.After the boiling tank is full,the electromagnetic
valve is closed, and water boiler stops working.Open
the boiled water valve,boiled water will flow out. |
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Workign
principle of steam boiler system |
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| 1. |
In the set time,when
water level in the steam boiler is lower than the
set water level,cold water feed pump work to exhaust
water,when the water level reaches the set level,it
stops working. |
| 2. |
In the set time,the
seteam boiler work to produce steam.The steam first
enter the steam dividing cylinder,then is sent
to all the parts where steam is consumed via all
steam pipes. |
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IV.Technical specifications of Dongri fuel oil
boiler |
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| Hot
and boiled water boiler ： |
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DRL-1-1.5 |
DRL-1-3.5 |
DRL-1-6 |
DRL-1-11 |
DRL-1-16 |
DRL-1-22A |
Standard
calorific capacity for water output
（kacl/h） |
15000 |
35000 |
60000 |
110000 |
160000 |
220000 |
| Water
output temperature （℃） |
60-100℃ |
| Water
output （kg/h） |
500-200 |
1150-500 |
2000-850 |
3650-1570 |
5300-2280 |
7300-3100 |
| Fuel
oil combustor |
Diesel
consumption
（kg/h） |
1.75±10% |
4.0±10% |
7.2±10% |
13.2±10% |
19.6±10% |
26.5±10% |
| pneumatic
power （W） |
75 |
90 |
117 |
170 |
170 |
370 |
Voltage
（V/50Hz） |
220/380 |
220/380 |
220/380 |
220/380 |
220/380 |
220/380 |
| Fuel
gascombustor |
Liquified
gas consumption
（m3/h） |
2.1 |
5.0 |
8.7 |
15.9 |
23.2 |
32.0 |
| pneumatic
power （W） |
50 |
50 |
90 |
117 |
370 |
370 |
Voltage
（V/50Hz） |
220 |
220 |
220 |
220 |
220 |
220 |
| Working
pressure （kg/cm3） |
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| Size
of boiler body （mm） |
φ452×1220 |
φ500×1506 |
φ600×1650 |
φ760×2000 |
φ920×2440 |
φ1020×2440 |
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蒸汽炉Steam
boiler ： |
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DRL-1-1.5 |
DRL-1-3.5 |
DRL-1-6 |
DRL-1-11 |
Standard
calorific capacity for water output
（kacl/h） |
15000 |
35000 |
60000 |
110000 |
| Oil consumption （kg/h） |
1.7±10% |
3.9±10% |
6.8±10% |
12.4±10% |
| Steam output temperature
（℃） |
100-105 |
Suitable
sauna volume
（m3） |
18 |
42 |
72 |
132 |
| Rice steamed capacity
（kg） |
20-50 |
50-100 |
75-150 |
135-250 |
Number of
dining people
（人） |
20-250 |
200-5000 |
300-750 |
500-1250 |
| Size
of boiler body（mm） |
φ4520×1300 |
φ500×1500 |
φ600×1650 |
φ755×1900 |
Max.working pressure
（kg/cm2） |
≤1 |
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