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SZL type assembled biomass boiler

This type of boiler uses biomass briquettes, loose biomass, or bituminous coal as fuel. When burning loose biomass, a new type of SZL assembled biomass boiler should be used, and the grate should be a chain grate or reciprocating grate according to the fuel. Special design is as follows: 1. The boiler furnace is designed as a full water-cooled combustion chamber. The left and right membrane walls extend all the way to the grate surface, forming a water-cooled furnace with the front and rear water-cooled arches, which increases the radiant heating surface of the furnace, improves the boiler output and thermal efficiency. 2. Innovative rear arch structure design. Pipes are drawn from the bottom of the lower drum to the two side headers to form the rear arch pipes, successfully solving the technical problem that the arrangement of the water-cooled arch has to increase the height of the boiler, causing the waste of boiler space. 3. The boiler as a whole adopts a low thermal inertia design. Due to the use of advanced water-cooled closed combustion chamber and ingenious rear arch structure, the boiler as a whole is more compact, the radiant heating surface area of the furnace is increased by more than 50%; at the same time, the use of lightweight furnace walls reduces the thermal inertia of the boiler by 70%, not only the boiler output is large, the combustion efficiency is high, but also the boiler load adjustment is more flexible. 4. The boiler body adopts a fully sealed structure with membrane water walls. The boiler is well sealed and leak-proof, reducing heat dissipation loss and flue gas heat loss, improving boiler thermal efficiency, and improving the boiler room working environment. 5. The boiler grate adopts a contact-type lower sealing structure. The left and right headers of the boiler are designed as anti-coking headers, and the side sealing iron is cancelled, which completely solves the defects of side sealing card grate and air leakage causing uneven combustion air distribution.

Category:

Biomass boiler

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+86-371-86210626

E-mail:

zdboiler@126.com

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Descriptions

The new SZL assembled biomass boiler employs multiple new technologies, exhibiting advantages such as compact structure, reliable operation, high output, rapid pressure increase, and high thermal efficiency compared to domestic boilers with similar parameters.

1. The furnace arch design adopts a combination of front and rear arch outlet heights, forming a distinct inverted "α" flue gas flow, resulting in strong coal adaptability of the boiler.

2. The boiler's front and rear arches are water-cooled "wet arch" structures. The arch tubes not only enhance the strength of the front and rear arches but also help stabilize the arch temperature and protect the arches.

3. The boiler adopts a dual-sided air inlet independent air chamber structure, allowing for flexible adjustment of the air volume and pressure in each air chamber, ensuring efficient combustion.

4. A push-pull type gate plate ash removal device is used. The gate plate features a precision-machined heat-resistant cast iron structure, effectively preventing deformation from secondary combustion and air leakage from the grate.

5. The boiler features a lightweight furnace wall structure and uses lightweight insulation materials, reducing the heat absorption of the furnace wall itself, resulting in low boiler thermal inertia, rapid furnace heating, and quick boiler start-up and shutdown.

6. When using a reciprocating grate, the new SZL type assembled biomass boiler allows for relative movement between the grate and the fuel, making it suitable for burning biomass loose materials with high moisture and ash content and low calorific value.

Product Catalog

SZL Steam Boiler     
SZL4-1.25SZL4-1.6SZL4-2.5SZL20-1.25SZL20-1.6SZL20-2.5
SZL6-1.25SZL6-1.6SZL6-2.5SZL25-1.25SZL25-1.6SZL25-2.5
SZL6-1.25SZL6-1.6SZL6-2.5SZL30-1.25SZL30-1.6SZL30-2.5
SZL10-1.25SZL10-1.6SZL10-2.5SZL35-1.25SZL35-1.6SZL35-2.5
SZL15-1.25SZL15-1.6SZL15-2.5   
      
SZL Hot Water Boiler     
SZL2.8-1.0/95/70SZL2.8-1.0/115/70SZL4.2-1.0/95/70SZL4.2-1.0/115/70SZL5.6-1.0/95/70SZL5.6-1.0/115/70
SZL7-1.0/95/70SZL7-1.0/115/70SZL7-1.25/115/70SZL10.5-1.0/95/70SZL10.5-1.0/115/70SZL14-1.0/115/70
SZL14-1.25/115/70SZL18-1.0/95/70SZL18-1.25/130/70SZL21-1.25/130/70SZL21-1.6/130/70SZL24.5-1.6/130/70

Boiler products can be designed according to user needs

Key words:

SZL type assembled biomass boiler

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SZL front-mounted biomass boiler assembly

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Biomass circulating fluidized bed boiler

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