Coal Fired Boiler | Best Fuel-Efficient Boiler Manufacturers

A Comprehensive Expert FAQ Guide

Are you searching for an affordable industrial Coal Boiler?  With over four decades in the coal fired boiler manufacturing industry, our products are guaranteed to meet all your needs. Here are a few frequently asked questions that will guide you in your search for the most appropriate boiler;

What Is A Coal Fired Boiler?

Coal boilers generate steam or hot water by heat exchange between water and the thermal energy released from coal combustion. The boiler mainly comprises the “pot” and the “furnace.”

The “pot” refers to a sealed pressure vessel filled with water. It has convection tube bundles connected to the boiler drum to enhance heat transfer capability. The pot’s function is to directly absorb the heat the coal releases and transfer it to the water.

Boiler drums come in various types, such as vertical, horizontal, single-drum, and double-drum designs.

The “furnace” consists of components such as a chain grate and flue gas tube bundles. It ensures the complete combustion of coal, allowing the heat released from the fuel to exchange fully with the water inside the boiler drum. Coal ash and flue gases are expelled from the furnace body through the chain grate and chimney.

Different types of coal-fired boilers are formed by assembling the above two parts.

There is an inherent risk since the boiler drum operates as a closed pressure vessel (whether for hot water or steam boilers) under high temperatures and pressure. Improper operation, outdated equipment, and various other factors can lead to severe accidents, causing factory shutdowns or affecting residents’ heating supplies. Significant accidents can also result in substantial property damage and personal injury.

Ensuring the safe operation of the boiler can only be achieved by strictly following standards and regulations in all aspects of boiler manufacturing, rational design, meticulous construction, and proper operation and maintenance management.

How Does Your Coal Fired Boiler Work?

A utility coal-burning boiler produces thermal energy by igniting coal. A Yongxing boiler works by burning coal in your chain grate stoker, thus heating the whole unit. The water in the boiler will become hot and generate steam, which offers heat energy.

Our image below illustrates how our coal fired boiler works.

Yongxing coal stoker boiler is pre-set to run on all bituminous coal or anthracite with a heat value ranging from 4500-6000 kcal per kilogram.

Even you have a very low calorific value of coal and would like a boiler that can run on it. Because we can build a big volume boiler furnace, a long grate stoker, and a secondary fan to support the combustion, you don’t have to worry.

We will assemble a full set of control monitoring instruments for you. The coal-fired boiler is working safely and reliably.

A coal-fired steam boiler produces loads of ash during combustion. To keep your boiler in good condition, you have to remove ash from the bottom of the boiler constantly. It has a wide array of operational functions that are used in numerous businesses.

What is Your Coal Fired Boiler Design?

Our coal-fired boiler has adopted a thoroughly modern, advanced, and safe design. The following are some of the boiler design parts.

1. Yongxing adopts a new type of finned threaded smoke pipes, which increases the heating speed by 1/3 compared with the water tube boiler.
   These finned tubes will reduce the heat loss in your coal-fired steam boiler, increasing its efficiency much higher than similar products.
   
2. Our boiler enhances combustion technology. It will come with a very large furnace design. We ensure that your coal steam boiler emission is in the lowest concentration. Our combustion chamber is larger.
3. Vertical longitudinal pipes connect to the upper boiler drums on both side headers. This design is flexible and eliminates the bulge defects of your coal plant boiler.  

   

4. It often has a very compact body. You can save 30% of the boiler room area with the same boiler capacity.
5. Our automatic coal boiler covers an extensive load change range. We can supply you with a load of 0-110%, which is easy to adjust in your operation.
6. The coal boiler design is assembly-type. It incorporates a steam economizer and air preheater to reduce energy loss, which means it will consume less coal than other boilers of the same type.

Your business’s success depends on effectively reducing operational costs. Our coal steam boilers will cut your expenses by reducing coal consumption.

Moreover, Yongxing’s design makes the installation process much simpler than that of conventional boilers. It assures coal-fired steam boilers’ compact structure, reliable operation, and durability.

In recent years, the world has seen consumers push to reduce air pollution. The coal boiler design responds to this pressure by meeting all environmental protection policies.

Why is this important for your business?

Globally, consumers are becoming aware of the importance of clean energy emissions.
Consumers are more likely to trust and interact with environmentally conscious businesses.

Your business will benefit long-term from a friendly coal fired steam boiler design.

Do You Also Have Coal Fired Steam Boiler?  

Yes, a coal-fired steam boiler is the central part of coal-fired boilers. It is a modern industrial appliance that produces steam, generating heat energy. It means typically a coal-fired water tube boiler. You need heat energy for everyday heating if you run a hospitality business.

It uses a cutting-edge furnace design that increases fuel combustion. It can achieve a thermal efficiency rate of 83%, which is way above current industry standards. Smoke is released into the air through the heating chamber.

How To Calculate Coal fired Boiler Efficiency?

The basic formula for calculating coal-fired steam efficiency is η= = (Energy output)/ (Energy input) X 100.

Essentially, you have to divide your boiler’s overall energy output by its aggregated energy input.

This 3-D image below shows all the subsystems of your coal-fired boiler that collectively contribute to its overall efficiency.

Coal-fired steam boiler efficiency is the collective efficiency outcome of all constituents that make up the boiler. It has several sections. If any unit fails to work at an optimum level, it will negatively impact the boiler’s overall efficiency.

Can You Supply The Coal Fired Boiler Specification?

Yes, we supply the coal fired boiler specification for the three types of coal fired steam boilers, namely;

• SZL Double Drum Coal Biomass Boiler
• DZL Automated chain grate stoker biomass steam boiler
• DZH Manual Type Coal Fired Boiler

The specification of each coal boiler includes a complete product introduction, performance features, a system diagram, and specific technical parameters. Its specification is important because it helps you pick a boiler that suits your needs.

Do You Have A Coal fired Boiler Operational Manual?

Yes, we have a comprehensive coal fired boiler operational manual for each type of boiler. There are several coal-fired steam boilers, including DZH, SZL, and DZL boilers. Each of them comes with an operational manual that offers detailed, precise boiler operating guidelines

Each boiler has a specific coal fired boiler operational manual because the modes of operation tend to vary from one boiler to another. What does your boiler’s operating manual entail?

The manual contains everything you need to know about your boiler, from setting it up to its control settings. It also provides broad periodic maintenance guidelines to ensure your boiler is in good condition.

Do You Supply Coal Fired Boiler Chain Grate Boiler?

Yes, we supply a top-of-the-line coal fired chain grate boiler whose design suits your specific needs. Our boiler adopts high-performance thermal energy transfer mechanisms. Essentially, its thermal efficiency rate meets all professional standards.

Yongxing’s chain grate coal fired steam boiler designs team was keen to incorporate several energy-saving tools and guarantee the optimum stability of coal combustion.

The main advantage of the boiler chain grate stoker is its impeccable safety standards. It undergoes several quality control measures before the boiler is cleared for supply. The most notable quality measures include strength calculation, hydraulic tests, and a non-destructive test.

Here, coal fired chain grate boiler comes with an excellent structure and unmatched insulation standards that effectively reduce energy losses.

What Coal Fired Boiler Types Do You Have?

There are three coal fired boiler types that you can choose from, namely;

• Coal-fired Steam boiler
• Coal wood fired hot water boiler
• Coal fired thermal Oil boiler

Yongxing’s coal based boiler meets all professional industry standards and is guaranteed to serve all your needs optimally. The Coal fired boiler comes in different designs and sizes to suit specific purposes.

For instance, you can settle for a small coal-fired boiler if you run a small business. The large commercial/vertical Coal-fired Steam boiler is ideal for large, complex business operations that constantly require energy.

As the name suggests, the coal fired hot water boiler heats water for various uses. This type of coal boiler has several applications, including central heating, greenhouse, buildings, and factory processing. You must also note that its energy efficiency rates and durability are unmatched.

The boiler has a horizontal structure and is ideal for large commercial applications. What advantages do you get when you choose this type of coal boiler? It has an incredibly minimal working pressure. Plus, it is known for its top-of-the-line safety features and durability. In comparison to other coal-fired steam boiler types, it has high durability.

Can I Have Your Coal Fired Boiler Diagram?

Yes, we can send you a coal-fired boiler diagram. Our diligent customer support staff will communicate with you to ascertain your needs. The diagram is critical in designing the best boiler system for you.

Boiler 3D diagram

Business premises tend to vary in size. Are you concerned that your boiler may not fit into the available space? You don’t have to worry about that at all. We can formulate and supply different scaled coal-fired boiler diagrams to help you choose one that fits your space.

Do You Have A Bag Filter Coal Fired Boiler?

Yes, we have a Bag Filter for coal-fired boilers. This Bag Filter effectively prevents dust particle movements and lessens air pollution. A Bag Filter is a long cylindrical woven or felted fabric that acts as a filter apparatus. Using the bag filter has several advantages.

Positioned downstream of your coal boiler, the bag filter, also known as the baghouse, separates ash from flue gas. It has a higher dust removal efficiency rate than other kits that perform the same function.

It is also important to note that the bag filter regulates both whole and delicate particulate matter. The image below is a simplified schematic illustration of a bag filter.

How Are Your Coal fired Boiler Emissions?

The coal fired boiler emissions factor ranges from 30mg/Nm3 to 300mg/Nm3. This emissions rate falls within the boundaries of the industry’s recommended standards.

Atmospheric emissions from coal boiler furnaces can pose several serious adverse effects on human health and the environment. Legislation was put in place to ensure that such emissions are controlled to minimize environmental damage and human health risks.

Our coal-fired boiler emission rates are excellent compared to industry standards and governmental regulations. You can minimize your boiler emissions by using quality anthracite coal and regular maintenance on your coal boiler.

Your coal-fired chain grate boiler comes with a comprehensive user manual that guides you through ideal operation and the avoidance of unnecessary emissions.

What Is The Difference Between Coal fired boiler VS. Oil Fired Boiler?

The difference between a coal-fired boiler and an oil-fired boiler is pretty straightforward.  A coal boiler with hopper uses coal, whereas an oil-fired boiler uses oil. Coal is ignited to generate thermal energy. It would be best to use a specific type of anthracite coal.

In an oil-fired boiler, you have to use light oil, diesel, gasoline, heavy oil, or waste oil. Plus, oil-fired boilers are more costly to operate and maintain than coal-fired boilers because Coal is cheaper than oil.

You also have to note that coal-fired steam boilers are more environmentally friendly than oil-fired boilers. They have better harmful emissions control devices.

How To Choose A Coal Fired Boiler In China

Coal fired boilers for sale are less costly compared to natural gas boilers. Consequently, they have established dominance in China’s industrial boiler market. As a potential buyer, there are several kinds that you can choose from.

However, considering there are several manufacturers, you need to be very keen when choosing a coal boiler in China. If you select a coal fired steam boiler haphazardly, you might end up with a boiler that does not serve you optimally. How exactly do you choose it?

The first thing you need to do is consider the quality of the boiler over its price. Here are some features that you need to watch out for when choosing one;

• The boiler should be able to supply the maximum quantity of steam with minimal fuel consumption
• Coal Boiler should be cheap to install and run
• It should be able to meet the load’s fluctuation rapidly
• It should be able to start quickly
• An ideal boiler should occupy a small floor space

Why Should We Buy From You, Not Other Coal fired Boiler Manufacturers?

Yongxing’s main product is a coal-fired boiler. We boast over 40 years of experience in the boiler manufacturing industry. Our dedication to excellence has propelled us into the list of the best coal boiler manufacturers in China.

Yongxing’s coal-burning boiler system is pretty affordable compared to the costs of our competitors. We have also guaranteed the quality of our coal fired boilers by incorporating several features, including;

• Installing the steam economizer at the boiler’s rear end to improve the efficiency of the boiler
• Equipping our boilers with the forced draft fan, which suppliers sufficient air volume to the pulverized coal fired boiler furnace
• Installing a cutting-edge slag removal chamber that helps you to remove slag automatically without much effort

Unlike most of Yongxing’s competitors, we offer free customization for any parts of your coal boiler. As our customer, you are welcome to visit our boiler factory anytime. The factory is located near Zhengzhou Airport. If it is your first time in China, our staff will pick you up from the airport and take you by car to our factory. As an established coal fired boiler manufacturing Company, Yongxing values its customers and is willing to provide complete deluxe guidance.

Conclusion

Our highly trained customer support staff will provide a complete coal-fired boiler specification guide in an instant. Send Your Inquiry Now.

Our main products are

—Steam Boiler, Industrial Steam Generator, Coal Boiler, Coal Fired Boiler, Coal Fired Steam Boiler, Chain Grate Boiler, Coal Stoker Boiler, Best Wood Chip Boiler, Biomass Steam Boiler, Pellet Fired Boiler, Wood Fired Steam Boiler, Rice Mill Steam Boiler, Biomass Pellet Steam Boiler, Solid Fuel Fired Boiler, Package Boiler Price;

—Natural Gas Boilers, Oil Fired Boilers, Oil Fired Steam Boiler, Propane Steam Boiler, Diesel Steam Boiler, Best Gas Fired Boilers, Condensing Steam Boiler, Furnace Oil Fired Steam Boiler, 3 Pass Fire Tube Boiler, Water Tube Steam Boiler, Commercial Steam Boiler, Small Steam Boiler, High Efficiency Steam Boiler, Low Pressure Boiler, High Pressure Steam Boiler

—Vertical Boiler, WDR Electric Boiler, LDR Electric Boiler, Electric Steam Boiler;

—Thermal Oil Boiler, Hot Oil Boiler, Gas Oil Heater;

—Hot Water Boiler, Oil Hot Water Boiler, Wood Fired Hot Water Boiler, Gas Hot Water Boiler, Commercial Hot Water Boiler;

—Chain Grate Stoker, Travelling Grate Stoker, Reciprocating Grate, Grate Bars;

—Autoclave For AAC Blocks, etc.

As a veteran boiler manufacturer, we aim to deliver quality products at sensible prices. At Yongxing, we guarantee that every piece of equipment you purchase from us is fresh off the assembly line, of superior quality, thoroughly inspected, and meticulously packed.