Coal fired steam boiler ASME
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Coal Fired Steam Boiler For Sale

Price: $6,500.00 - $16,500.00

A coal-fired steam boiler is a type of boiler that uses coal as fuel to generate steam. The steam produced by the boiler can be used for various purposes, such as powering turbines for electricity generation, heating buildings, or providing steam for industrial processes.

  • Rated thermal power: 1 - 20 t/h
  • Rated thermal efficiency: 85 - 90%
  • Operating pressure: ≤ 2.5 Mpa
  • Available fuel: coal, cinder, pulverized coal, etc

Low Nitrogen Environmental Protection, High
Efficiency & Energy Saving

  • Safety and Stability

    The discharge capacity of the safety valve is meticulously calculated. Whenever the system pressure exceeds the predefined threshold, the safety valve will automatically activate, releasing excess pressure to ensure the secure operation of the boiler.

  • Efficient Combustion

    To ensure thorough combustion, varying numbers of independent air compartments are established based on the boiler's capacity. This allows for adjustable air distribution, optimizing fuel combustion.

  • Simple Installation and Maintenance

    The platform escalator is affixed securely using bolts and nuts. The upper and lower drums are equipped with easily accessible manholes, simplifying the cleaning process. Furthermore, an inspection door is incorporated into the furnace for convenient inspection and maintenance.

  • Corrosion Resistance

    The concave-convex panel, shaped through cold rolling and compression molding, possesses excellent rigidity while remaining lightweight. Following a thorough rust removal treatment, the surface is coated with primer and a topcoat, resulting in effective corrosion resistance.

Coal Fired Steam Boiler Parameters

Types Evaporation Steam pressure Steam temperature Economizer feed water Thermal efficiency Fuel Coal scuttle Length * Width * Height Weight Flue outlet
Unit t/h MPa °C Interface % mm mm t mm
SZL6-1.25 6 ≤2.5 (184)
194
(204)
PN2 5 DN50 85-90 Coal lumps, cinders, pulverized coal, ect 2630 9750 * 3700 * 6830 23.6 1438 * 1252
SZL6-1.6 6 9750 * 3700 * 6830 24.4 1438 * 1252
SZL8-1.25 8 11390 * 3955 * 6410 31.4 1000 * 600
SZL8-1.6 8 11390 * 3955 * 6410 32.3 1000 * 600
SZL10-1.25 10 12050 * 4075 * 6410 31.0 1000 * 600
SZL10-1.6 10 12050 * 4075 * 6410 31.8 1000 * 600
SZL10-2.5 10 12050 * 4075 * 6410 33.0 1000 * 600
SZL12-1.25 12 12350 * 3935 * 6410 33.9 1200 * 500
SZL12-1.6 12 12350 * 4075 * 6410 32.1 1200 * 500
SZL15-1.25 15 15970 * 4075 * 6410 35.3 1000 * 800
SZL15-1.6 15 15970 * 4075 * 6410 36.5 1000 * 800
SZL15-2.5 15 15970 * 4075 * 6410 37.9 1000 * 800
SZL20-1.25 20 15500 * 6170 * 8410 41.7 1500 * 800
SZL20-1.6 20 15500 * 6170 * 8410 43.0 1500 * 800
SZL20-2.5 20 15500 * 6170 * 8410 45.8 1500 * 800
SZL25-1.25 25 16150 * 6790 * 8410 39.1 1500 * 800
SZL25-1.6 25 16150 * 6790 * 8410 46.6 1500 * 800
SZL25-2.5 25 16150 * 6790 * 8410 43.9 1500 * 800

With a wide range of boiler solutions, including the coal fired steam boiler, Fangkuai Boiler caters to the diverse needs of customers across various sectors. In this article, we will explore the ins and outs of coal-fired steam boilers, covering aspects like their working mechanism, capacity, advantages, and disadvantages. By the end of this discussion, you will have a better understanding of how Fangkuai Boiler’s coal-fired steam boilers can be an effective choice for your steam generation needs.

What is a coal-fired steam boiler?

A coal-fired steam boiler is a type of boiler that uses coal as fuel to generate steam. The steam produced by the boiler can be used for various purposes, such as powering turbines for electricity generation, heating buildings, or providing steam for industrial processes.

How do coal-fired steam boilers work?

Coal-fired steam boilers work by burning coal to produce heat, which is then used to heat water and generate steam. The process involves the following steps:

  1. Coal is fed into the boiler’s combustion chamber, where it is ignited and burned.
  2. The heat generated from the burning coal is transferred to the water in the boiler, causing it to turn into steam.
  3. The steam is then collected and transported through pipes to where it is needed, such as a turbine for electricity generation or an industrial process.
  4. As the steam loses heat and condenses back into the water, it is returned to the boiler to be reheated and used again.

Coal fired steam boiler working principle

What is the capacity of a coal-fired steam boiler?

The capacity of a coal-fired steam boiler can vary greatly depending on its size and design. Small boilers may have a capacity of just a few tons of steam per hour, while large industrial boilers can produce hundreds or even thousands of tons of steam per hour.

Pros & Cons.

Pros:

  1. Coal is a relatively abundant and inexpensive fuel source.
  2. Coal-fired steam boilers can generate large amounts of steam, making them suitable for large-scale power generation and industrial processes.
  3. They have a long operational life and are relatively easy to maintain.

Cons:

  1. Coal-fired steam boilers release significant amounts of greenhouse gases and other pollutants, contributing to air pollution and climate change.
  2. Coal mining and transportation can have negative environmental and social impacts.
  3. The efficiency of coal-fired steam boilers is generally lower than that of other types of boilers, such as natural gas or nuclear.

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How much steam is produced by 1kg of coal?

The amount of steam produced by 1kg of coal depends on the type and quality of the coal, as well as the efficiency of the boiler. On average, 1kg of coal can produce approximately 2.5 to 4.5 kg of steam.

How do you calculate steam cost per kg?

To calculate the steam cost per kg, you’ll need to consider the cost of the coal, the efficiency of the boiler, and any additional costs associated with operating and maintaining the boiler. The formula for calculating steam cost per kg is:

Steam cost per kg = (Cost of coal per kg / Boiler efficiency) + Additional costs.

How much does a coal-fired steam boiler cost?

The cost of a coal-fired steam boiler depends on factors such as its size, capacity, design, and efficiency. Small residential boilers can cost a few thousand dollars, while large industrial boilers can cost several million dollars. In addition to the initial cost, you’ll also need to consider ongoing fuel costs, maintenance, and any required environmental compliance measures.

Boiler Size (tons) Boiler Efficiency (%) Cost (USD)
1-10 70 6,500
80 8,400
90 9,500
11-20 70 8,500
80 11,000
90 14,500
20+ 70 12,500
80 14,800
90 16,500+

Coal-fired steam boiler for sale

Conclusion.

In conclusion, coal-fired steam boilers, like those offered by Fangkuai Boiler, provide a cost-effective solution for generating steam in various applications. Despite their environmental drawbacks, these boilers remain a popular choice due to their affordability and the abundance of coal as a fuel source. With Fangkuai Boiler’s commitment to quality and customer satisfaction, you can trust that our coal-fired steam boilers will deliver the performance and reliability you require. If you want to learn about the detailed parameters and prices of coal fired steam boilers, please contact us: at +0086 186-2391-5479.

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