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HZG Series Electricity Control Automatic Direct Heating Large Dry Area Sewage Sludge Drying

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Address: Niheqiao Industrial Zone, Zhenglu Town, Changzhou, Jiangsu, China

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JIANGSU ZHENXING DRYING EQUIPMENT CO., LTD

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HZG Series Electricity Control Automatic Direct Heating Large Dry Area Sewage Sludge Drying

Country/Region china
City & Province changzhou jiangsu

Product Details

 

HZG Series Electricity Control Automatic Direct Heating Large Dry Area Sewage Sludge Drying

 

 

Description:

■ The machine is mainly used in per buring of rigid magnet oxygen pulverized powder, 

it is also sui table for the cement, metallurgy and chemical industry, it is consisted of main kiln body, 

supporting drive set, cooling pipe, oil fuel system, electricity control, secondary air inlet set, 

exhaust dust set and warm-up kiln body etc. Main fanction of this dryer includes: over temperature, 

over loading, auto control for working temperature, oxygen atmosphere is adjustable in the kiln etc.

■ Wet material is loaded from one head of the drier, and then it is stirred by the bafflers 

that is uniformly distributed in the barrel. Material is uniformly distributed and dispersed in the drier, 

fully contact the hot air in paraller (or counter)flow, so the drying process is expedited, and 

the impulsion power of media transfer is enhanced. During the drying process, material is 

under the effect of angled baffler and hot air and moves to the rotary valve that is at the other head of the drier.

 

Application:

■ Applicable for drying big particles, heavy particls in the field of chemical mining and metallurgical industry. 

For example: slag of blast furnace, coal, metallic powder, phosphorus fertilizer, thiamin and so on.

 

■ For drying powder, grannle raw materials which have special requirements such as: HP vesicant, 

lees, precipitated calcium carbonate, actived clay, magnetic powder, graphite, and residue medical and so on.

 

■ For materials to be dried under low temperature and large production in line.

 

Advantage:

■ The mechanial level content of rotating drier is high and its productive capacity is large.

 

■ Because the resistance when fluid passes through the cylinder is small, the consumption of power is low.

 

■ Have strong adoptability to raw materials. Its operation is stability and the cost of operation is cheap.

 

■ The homogeneity of dried product is good.

 

Specifications:

TECHNICAL PARAMETERS

Model

Direct heating

 co-current 

type

Direct heating 

co-current

 type

Direct 

heating 

counter-current

 type

Direct 

heating 

counter-current

 type

Compound 

heating

Compound heating

Kinds 

of

 raw

 material

Ore

HPvesicant

Slag of blast furnace

Ammonium

sulphate

Phosphorus 

fertilizer

Coal

Amount to be

 treated(kg/h)

1000

466

15000

20000

12000

5000

Primary 

moisture(%)

30

13

6

1.5

5

6.5

Final 

moisture(%)

15

0.3

1

0.1

0.1

0.1

Average 

diameter(mm)

6.5

0.05

4.7

0.5-1.7

0.5

5

3 Bulk 

density of

 raw 

material(kg/m )

770

800

1890

1100

1500

750

Amount of 

hot air(kg/h)

39000

5400

10750

9800

6500

16000

Temperature 

of air inlet(℃)

600

165

500

180

650

570

Temperature of raw 

material outlet(℃)

 

42

100

70

80

75

Way

 of 

heating 

loading 

effciency

(%)

Gas

Steam,

electric

 heating 6.3

Heavy oil 7

Coal fuel 

hot air 

furnace 7.5

Heavy oil 7.8

Heavy oil 18

Revolution

(rpm)

4

4

3.5

3

4

2

Gradient

(m/m)

0.04

0.005

0.03

0.05

0.05

0.043

Diameter 

of 

drier(m)

2

1.5

2

2.3

Inner cylinder 0.84

 Outer cyliender 2

Inner cylinder 0.95 

Outer cyliender 2.4

Length 

of 

drier

(m)

20

12

17

15

10

16

Driving 

power

(kw)

22

7.5

15

11

11

15

 

 

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