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Double Stages Coal Gasifier

The double stages coal gasifier is a device that uses coal to produce gas. The double stages Coal Gasifier has two upper and lower gas outlets, which can output gas with different calorific values. The top gas contains tar and can be collected by electricity. The gas is removed and recycled; the bottom gas does not contain tar, and the cyclone can be used for dust removal.

Description

The double stages coal gasifier is a device that uses coal to produce gas. The double stages Coal Gasifier has two upper and lower gas outlets, which can output gas with different calorific values. The top gas contains tar and can be collected by electricity. The gas is removed and recycled; the bottom gas does not contain tar, and the cyclone can be used for dust removal. The gas is all indirectly cooled. The generated sewage is gas condensate, which reduces the treatment of oil and phenol-containing water. The sewage and tar are stored in In the steel container, the evaporation and leakage of harmful substances are avoided, and the sewage can be incinerated. The gasification efficiency and comprehensive utilization rate are superior to the single-stage furnace. In recent years, the double stages furnace has become the development trend of the gas furnace.

coal gasifier power plant

Parameter

Type

CG3Q2.0-1

CG3Q2.6-1

CG3Q3.0-1

CG3Q3.2-1

CG3Q3.4-1

CG3Q3.6-1

Furnace inner diameter

2000

2600

3000

3200

3400

3600

Furnace sectional area

3.14

5.31

7.07

8.04

9.08

10.08

Water jacket heating area

11.69

15.19

17.53

18.7

19.87

32.06

Applicable to coal

Non-caking or weak bonding anthracite, coal quality should load GB9143 atmospheric fixed bag gas occurrence boiler coal quality standards.

The particle size of coal

20-40;25-50;30-60

Coal consumption

800-900

1200-1500

2000-2200

2200-2600

2500-2800

3000-4000

Air consumption

2.0-2.5

2.0-2.5

2.0-2.5

2.0-2.5

2.0-2.5

2.0-2.5

Steam consumption

0.3-0.5

Gas production

2500-2800

4000-5000

5000-6500

6300-8000

7000-9000

9000-12000

Net heating value

(distillation stage)

(gasifying stage)

6060-6270

7110-7350

5225-5434

6060-6270

7110-7350

5225-5434

6060-6270

7110-7350

5225-5434

6060-6270

7110-7350

5225-5434

6060-6270

7110-7350

5225-5434

6060-6270

7110-7350

5225-5434

KPa

(distillation stage)

(gasifying stage)

1.0-1.2

2.0-2.5

2.2-3.0

3.0-4.5

2.2-3.0

3.0-4.5

3.0-3.5

3.5-4.5

3.0-3.5

3.5-4.5

3.0-3.5

3.5-4.5

Gas temperature

(distillation stage)

(gasifying stage)

80-120

450-550

80-120

450-550

80-120

450-550

80-120

450-550

80-120

450-550

80-120

450-550

Biggest bottom pressure blower

6.0

6.0

6.5

7.0

7.5

9.0

Saturation temperature

50-65

50-65

50-65

50-65

50-65

50-65

Fire detecting pore gas pressure

0.25

0.25

0.25

0.25

0.25

0.25

Water jacket steam production

300

450

500

550

550

700

Water vapour pressure

0.07

0.07

0.07

0.07

0.07

0.07

Feeding way

Automatic

Stoker driving devices

Hydraulic drive

Ash tray rotation speed

2.97

1.7

1.5

1.5

1.5

1.5

Hydraulic power station

7.5*2

11*2

11*2

11*2

11*2

11*2

Slag discharge form

The wet automatic slag discharge

MM

(distillation stage)

(gasifying stage)

DN350

400*400

DN400

766*766

DN400

866*866

DN500

866*866

DN500

866*866

DN600

900*900

 

Major equipment

1

Adaptation range

The double stages coal gasifier is mainly used for fuels in the furnaces of metallurgy, building materials and glass industries, as well as raw materials and fuels for the chemical industry.

2

Advantage

1.The calorific value of the gas is high, the coal is completely retorted through the furnace, and the lower section of the gas does not contain tar.

2.High degree of mechanization, hydraulic coal, slag, equipment operation is stable.

3.The coal type has strong adaptability, especially suitable for bituminous coal with high tar content and large gas production.

4.small footprint, large gas production, no sewage pollution, low long-term operating costs. The gas gasifier reduces costs and increases profits due to energy conservation, and environmental protection is up to standard due to gas operation. In the form of increasingly strict environmental protection requirements for energy prices, the use of gas gasifier is your best choice.

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