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Selection tool

Total heating area*1000(m2)
Proportion of large space places (canteens, restaurants, gymnasiums, exhibition halls, theaters, etc.)%
Pool area(m2)
Pool category selection:
Number of shower heads in bathroom
Bath volume(m3)
Heating load estimation: Total heating area*1000(m2) Proportion of large space%
Domestic water load estimation: Number of people Application selection:
Estimation of domestic hot water load of swimming pool: Pool area(m2) Pool category selection:
Estimation of domestic hot water load in bathroom: Number of shower heads in bathroom Bath volume(m3)
Theoretical flue gas flow:Nm3/h;Standard state flue gas volume
Flue gas temperature:
Flue material:
Inner diameter of flue:mm;Equivalent diameter DN=4A/U
Flue length:m
Number of 90 degree elbows:
Variable cross-section size head:
Butterfly valve:
Chimney material:
Chimney height:m
Chimney diameter:mm
Water flow:m3/h
Inner diameter of steel pipe:mm
Steel tube length:m
Number of 90 degree elbows:
Ball valve:
Number of gate valves:
Number of check valves:
Number of shut-off valves:
Actual air volume:m3/h;Working condition air volume
Air duct material:
Inner diameter of air duct:mm;Equivalent diameter DN=4A/U
Air duct length:m
Number of 90 degree elbows:
Number of variable sections:
Butterfly valve:
Air temperature:
Local altitude:m
Steam flow:kg/h
steam pressure:MPa
Steam temperature:??
Pipe diameter:mm
 
Recommended flow rate of steam pipe
(Note: When the pipe diameter is small, the pressure is low, or the viscosity is large, the flow rate is smaller.)
Type of fluidType of pipeFlow rate w(m/s)
superheated steamd<10020~40
d=100~20030~50
d>20040~60
Reheat steamLow temperature reheat steam pipeline30~50
High temperature reheat steam pipeline50~70
Saturated Vapord<10015~30
d=100~20025~35
d>20030~40
steamExtraction pipe30~50
Steam pipeline to desuperheater60~90
Secondary steam utilization pipeline15~30
????Discharge from pressure vessel80
Discharge from non-pressure container15~30
Discharge from the safety valve200~400
Compressor intake pipe~10
Compressor air pipe~20
General pipelined<=50<=8
d>=70<=15
Water flow:kg/h
Pipe diameter:mm
 
Recommended flow rate of water pipe
(Note: When the pipe diameter is small, the pressure is low, or the viscosity is large, the flow rate is smaller.)
Type of fluidType of pipeFlow rate w(m/s)
Boiler feed waterCentrifugal pump suction piped<2501~2
d>2501.5~2.5
Centrifugal pump outlet pipe2~4
Reciprocating pump suction pipe<=1
Reciprocating pump outlet pipe1~3
Water supply main1.5~3
High and medium pressure boiler main water supply pipeline2~3
Main feed water pipeline of ultra-high pressure boiler3~5
CondensateCondensate pump suction pipe0.5~1
Condensate pump outlet pipe1~2
Gravity condensate pipe<0.5
Sheung ShuiUpper water pipe, flushing water pipe (pressure)1.5~3
Soften water pipe, backwash water pipe (pressure)1.5~3
Backwash water pipe (self-flowing), overflow water pipe0.5~1
brineBrine pipe1~2
Cooling waterCold water pipe1.5~2.5
Hot water pipe (pressure type)1~1.5
Heating network circulating waterWater supply and return pipe (external network)0.5~3
Standard flue gas volume:Nm3/h
Flue gas temperature:
Pipe diameter:mm
 
Recommended chimney diameter
Heat load Million kcal3060 90120180240 300360480600 7209001200
MW0.350.71.05 1.42.12.83.5 4.25.67.08.4 10.514
tonnaget/h0.51 1.5234 56810 121520
Chimney diameterMm200255 300350400500 550600650 7508009001000

Note: The above data are only recommended values. When the horizontal flue is longer and there are many elbows, the flue gas resistance needs to be rechecked.

Recommended flow rate of flue gas pipe
(Note: When the pipe diameter is small, the pressure is low, or the viscosity is high, the flow rate is smaller.)
Type of fluidType of pipeFlow rate w(m/s)
SmokeNaturally ventilated flueBrick or concrete3~5
Made of metal8~10
Mechanical ventilation flueBrick or concrete6~8
Made of metal10~15
Standard air volume:Nm3/h
Flue gas temperature:??
Pipe diameter:mm
 
Recommended flow rate of inlet duct
(Note: When the pipe diameter is small, the pressure is low, or the viscosity is high, the flow rate is smaller.)
Type of fluidType of pipeFlow rate w(m/s)
Boiler intakeWind tunnelBrick or concrete4~8
Made of metal10~15
Compressed air flow:m3/h
Compressed air pipe diameter:mm
 
Recommended flow rate of compressed air pipeline
(Note: When the pipe diameter is small, the pressure is low, or the viscosity is large, the flow rate is smaller.)
Type of fluidType of pipeFlow rate w(m/s)
Compressed airCompressor intake pipe??10
Compressor air pipe~20
General pipelined??50<=8
d>=70<=15
Saturated steam temperature:
Saturated steam temperature:MPa
Water temperature
Water pressureMPa
Water vapor temperature:??
Water vapor pressure:MPa
Fuel type:
Fuel price:
Hot water temperature:
Cold water temperature:
Overall efficiency:%
Fuel type:
Fuel price:yuan
steam pressure:MPa
Steam temperature:
Water temperature:
Overall efficiency:%
Number of wines:
Guest room bath
restaurant
laundry room
Staff kitchen
Number of guests:

Ward bathing
Patient kitchen
laundry room
Staff kitchen
Outpatient Number of people per unit time:
number of beds:
Amount of steam:t/h
Fuel type
Fuel low calorific value:kcal/kg(kcal/Nm3)
Fuel consumption:kg/h(Nm3/h)
Excess air coefficient: