Differences Between Fire Tube Boilers and Water Tube Boiler

July 14, 2020

Differences Between Fire Tube Boilers and Water Tube Boiler

When choosing a boiler, many friends will have such a question, we use a water tube boiler or a fire tube boiler. First, we need to understand the difference between a fire tube boiler and a water tube boiler.

Two steps are required.:

1. we need to divide different fuels.

2. we need to make a detailed comparison of the boiler structure, pressure, boiler size, application industry, price, and usage rights:

Differences between solid fuel water tube boiler and fire tube boiler.

ITEM

Water Tube Boiler

Fire Tube Boiler

Boiler Structure

  1. More floor space

  2. Double drums, thin and long

  3. Water tubes are slender

    and densely,

    covered in the furnace.

  4.  With header

  1. Less space

  2. Single drum, thick and big

  3. Fire tubes are dense,  

    covered in the drum

  4.   With header

Boiler Price

Higher

Lower

Heating Ways

High-temperature flue gas in the furnace heats the water in the tube

High-temperature flue gas in the tube heats the water in the drum

Thermal Efficiency

                               80~82%

Water Quality

Higher requirements

Lower requirements

Boiler Pressure

No limit

≤2.5Mpa

Steam Temperature

Saturated steam up to 400℃

Saturated steam can reach up to 226.04℃

Boiler Capacity

≥35T/h

≤35T/h

(Suggestion: use a water tube boiler above 6T/h)

Industry Application

Large or medium-sized enterprise production or large-scale heating

SME production and small-scale heating.

Boiler Operation

Complex operation

More operators.

Easy operation

Fewer operators.

Fuel

Various types of coal, biomass,   etc.

 

Differences between solid fuel water tube boiler and fire tube boiler.

ITEM

Water Tube Boiler

Fire Tube Boiler

Boiler Structure

1. More   floor space

2. Double drums, thin and long.

3. Water tubes are slender and densely, covered in the furnace.

4. No header

1. Less space

2. Single drum, thick and big

3. Fire tubes are dense, covered in the drum

4.No header

Boiler Price

Higher requirements

Lower

Heating Ways

High-temperature flue gas in the furnace heats the water in the tube

High-temperature flue gas in the tube heats the water in the drum

Thermal Efficiency

90~92%

Water Quality

Higher requirements

Lower requirements

Boiler Pressure

No limit

≤2.5Mpa

Steam Temperature

Saturated steam up to 400℃

Saturated steam can reach up to   226.04℃

Boiler Capacity

≥35T/h

≤35T/h

(Suggestion: use a water tube boiler   above 6T/h)

Industry Application

Large or medium-sized enterprise   production or large-scale heating

SME production and small-scale heating.

Boiler Operation

Complex   operation

More operators.

Easy operation

Fewer operators.

Fuel

Various types of coal, biomass, etc.

Do you now know what is the difference between a fire tube boiler and a water tube boiler? However, if you need to buy a boiler, you still need to consider a lot of factors based on the actual situation of your industry and the size of the company. If you don’t know what kind of boiler to use, or if you have any questions about the boiler, please feel free to contact me.

                                 Your private boiler butler

                                                                                                                          Jenny Shi



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