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Wood Pellet Chip Firewood Log Paddy Rice Husk Solid Fuel Biomass Fired Steam Boiler Heating System

Henan Jinzhen Boiler Co., Ltd.

Wood Pellet Chip Firewood Log Paddy Rice Husk Solid Fuel Biomass Fired Steam Boiler Heating System

Brand Name : Jinzhen Boiler

Model Number : DZL12-1.25

Certification : ISO ,IAF, SGS,CE

Place of Origin : Henan, China

MOQ : 1 set

Price : USD 15000--48000 per set

Payment Terms : L/C, T/T, Western Union

Supply Ability : 5000 Set/Sets per Year coal fired steam boiler for sale

Delivery Time : 18 working days

Packaging Details : 1. Nude packaging for boiler body and wood box packaging for boiler accessories. 2.Normally we use 20 container, 40 container or 20 flat rack container and 40 flat rack container to load it.

steam capacity : 4ton,6ton,8ton,10ton,15ton,20ton

boiler pressure : 7Bar/10Bar/12.5Bar/16Bar

steam temperature : 170°c,184 °c,194°c, 204°c

Fuel : Coal, Biomass, Wood, Chip, Husk, Sawdust, Jute, Shell, Waste Solid Fuel

Style : Horizontal

Structure : Three Pass Single Drum

Pressure : Low Pressure

Output : Steam

Warranty : 1 Year

Boiler effiency : 83.5%

Model : DZL Series Chain Grate Steam Boiler

Application : Rice mill,sugar mill, wood processing, textile mill, food industry, chemical plant etc

Boiler material : Q345R

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Wood Pellet Chip Firewood Log Paddy Rice Husk Solid Fuel Biomass Fired Steam Boiler Heating System

1.Model:DZL Chain Grate Wood Biomass Coal Fired Steam Boiler

2.Capacity:1 ton/h to 20 ton/h

3.Design pressure:

1.0Mpa(10bar/10kg/145psi), 1.25Mpa(13bar/13kg/180psi), 1.6Mpa(16bar/16kg/232psi), 2.5Mpa(25bar/25kg/362psi),

4.Stem temperature:184℃,194℃,205℃,226℃,etc

5.Design fuel:coal,biomass,palm oil shell,wood chips,biomass pellet,firewood, cashew nut, rice husk,solid fuel,etc

The new DZL series coal fired boiler is a single-drum vertical water-fire tube shell boiler, and the combustion equipment is a chain grate. The water walls on the left and right sides of the furnace are radiant heating surfaces, the two wings of the furnace are convective heating surfaces, and the convection heating surfaces of threaded smoke pipes are arranged in the drum. Shield shell.

This series of coal fired steam boilers use the latest scientific research results, such as: arched tube sheet, threaded smoke tube, etc., to solve the problems of shell-type boiler tube sheet cracks, bulging at the bottom of the drum, tube bursts on the water wall, low thermal efficiency, and insufficient output.

Coal Fired Boiler Burning process

The fuel falls from the coal hopper to the front of the grate. With the operation of the grate, the coal undergoes preheating, dry distillation, ignition, and embers. The slag falls into the slag hopper and is discharged from the furnace at any time by the slag remover. The flue gas is in the front and back arches. The throat between the throat can form a vortex to fully mix with the air, heat the front arch, improve the fire conditions, enter the two-wing convection tube bundle through the exit smoke window on the upper part of the arch, enter the threaded smoke pipe through the front smoke box, and pass through the economizer and dust collector. The induced draft fan is led to the chimney and discharged.

Technical Parameters

Model

Item

DZL1-0.7-T
DZL1-1.0-T
DZL1-1.25-T

DZL2-0.7-T
DZL2-1.0-T
DZL2-1.25-T

DZL4-1.25-T
DZL4-1.6-T

DZL6-1.25-T
DZL6-1.6-T

DZL8-1.25-T
DZL8-1.6-T

DZL10-1.25
DZL10-1.6

Rated evaporation
capacity (t/h)

1

2

4

6

8

10

Working
pressure(Mpa)

0.7/1.0/1.25

0.7/1.0/1.25

1.25/1.6

1.25/1.6

1.25/1.6

1.25/1.6

Rated steam
temperature(℃)

170/184/194

170/184/194

194/204

194/204

194/204

194/204

Feed water
temperature(℃)

20

20

20

20

20

20

Effective area of
grate(m2)

2.22

4.1

5.85

7.95

9.75

10.77

Fuel consumption
(Kg/h)

200

400

800

1200

1600

2010

Exhaust flue gas
temperature(C)

150

150

150

150

150

150

Thermal Efficiency
(%)

82

82

82

82

82

82

Size(m)

5.1x 2.2x 3.0

5.5x 2.3x 3.3

6.6x 2.6x 3.6

8.2x 2.9x 3.8

8.1x 3.1x 3.8

7.7x 3.2x 3.6
8.6x 3.0x 2.6

Weight (t)

17

23

25

35

45

33
28

Technical characteristics

(4) The structure is compact, and compared with the same type of boiler, the overall size is small, which saves the investment in the infrastructure of the boiler house.

(5) Stable operation, convenient adjustment and sufficient output. Has a certain overload capacity.

(6) Threaded smoke tube is used to enhance heat transfer, which improves the heat transfer coefficient and thermal efficiency. Because the flue gas has a disturbing effect in the tube, it is not easy to accumulate dust in the smoke tube, which plays a role of self-cleaning.

(7) In the furnace, a high-efficiency and energy-saving furnace arch made of integrally cast heat-resistant concrete is used to improve the coal ignition conditions, and an independent air chamber is used to achieve reasonable air distribution, so that an aerodynamic field conducive to combustion is formed in the furnace. Expand the adaptability of coal types.

(9) The arch of the boiler and the outlet smoke window have a certain effect of dust removal. The original dust concentration of the boiler is controlled below the standard, which ensures that the smoke and dust emission of the boiler meets the national environmental protection regulations.

(10) The secondary air is arranged at the throat of the furnace arch, which can effectively organize the volatile matter in the fuel to mix with the air, promote the full combustion of the volatile matter in the furnace, and improve the fuel burnout efficiency.

Boiler Picture

Wood Pellet Chip Firewood Log Paddy Rice Husk Solid Fuel Biomass Fired Steam Boiler Heating SystemWood Pellet Chip Firewood Log Paddy Rice Husk Solid Fuel Biomass Fired Steam Boiler Heating System

Wood Pellet Chip Firewood Log Paddy Rice Husk Solid Fuel Biomass Fired Steam Boiler Heating System

Quality Inspection

Strength calculation report with applied materials information;

100% NDT(non-destructive inspection) report of steel plate, tube and welding rod;

100% X-ray inspection report (welding seam): to ensure the quality of the entire boiler;

Hydraulic test report: ensure the standard working pressure and safety;

Third-party inspection report: by Zhoukou Institute of Special Equipment Inspection & Technical Research (China official).

Application scope:

This steam boiler is used for producing desired steam for manufacturing process in the weave factory, printing and dyeing, papermaking and other industry like: food, rubber, plastic, chemical, pharmaceutical, etc, and for heating room and bath in factories, departments, hotels, schools, restaurants, services industries etc.

Wood Pellet Chip Firewood Log Paddy Rice Husk Solid Fuel Biomass Fired Steam Boiler Heating System

FAQ of coal fired boiler

1.What is the size of furnace door and blower hopper?

Size of furnace door:
Standard elliptical furnace door:300*800*1500
Blower hopper size:
2 tons conical hopper: 1400*800*1500
4 tons conical hopper: 2200*1400*1500

2.What is the combustion mode of coal/biomass fired boiler?

The combustion mode of coal/biomass fired boiler is layer combustion. Place the flue on the fixed or moved grate, to form an evenly fuel bed with a certain thickness, air comes from the bottom of grate, and combustion occurred on the fuel bed.

3.Material of boiler drum / steel plate / tube.

Boiler drum material: Q245R,carbon steel, executive standard: GB713-2008
Tube material: 20# seamless steel pipe, carbon steel, executive standard: GB3087-2008
Still kettle material: Q345R, alloy steel, executive standard: GB713-2008

4.What is the height of chimney?

The chimney is usually 30m, irrespective of the special circumstances.

5.What are the heat-resistance temperature of grate and furnace?

The heat resistance temperature of grate is related to the grate material, the highest temperature could be as high as 1100℃, and the lower temperature could be 700℃.

6.What is the temperature of smoke gas?

The highest temperature of smoke gas is 165℃.

7.How long can the coal/biomass fired boiler works?

Coal/biomass boilers could work for 10~15 years, under correct operation, high water and coal quality, etc.

8.How to avoid collapse of bricks, and what should be done if it happened?

When boiler installation finished, drying the boiler according to the manual, it’s very important to avoid collapse of bricks.

9.How many stokers do I need for one boiler?

Usually 3 person, every 8 hours a shift.


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