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Rotary dryers

Ceramic sand rotary kiln

Raw materials】: Ceramic sand
【Capacity(t/h)】:0.9-42
【Power】:18.5-125
【Delivery】:15-30 days

Application】:Ceramic sand rotary kiln is suitable for large-scale Ceramic sand project

E-mail: service@tdaxy.com

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Advantages:

Features:
1. ceramic kiln produced by Taida Group with high specialization degree
2. can achieve temperature automation control especially the over-temperature alarm system installed improved the quality of calcined material security
3.  the new type ceramic rotary kiln can take advantage of the secondary preheating air improved equipment energy saving effect.
4. kiln head and kiln end using advanced sealing technology and device stable equipment operation and greatly extended the using life.

Structure features and process instruction of ceramic sand kiln:

1.The kiln body is rectangular or cylindrical.There are double-deck burner girders in the kiln body with periphery burners in the middle kiln body.Waste gas drawing-out girder is set on the kiln top. The kiln is divded into five parts: material storage zone preheated zone calcining zone posterior calcining zonecooling zone.

the part between the kiln gas drawing-out device and the crown is the storage zone.it is used for storing adequate lime stone in order not to stop producing when the crown feed device needs short-term maintenance

the part between the kiln gas drawing-out device and the upper burner gireder is the peheating zone to preheat lime stone

the part between the upper burner girder and the lower girder the calcining zone where lime stone is calcined  into fine lime .Its height can be regulated according to requirement of quality or lime stone physical property

the part between the lower burner girder and lower gas drawing-out girder is the posterior calcining zone. The lime that was calcined will gain the even and refine quality and raise the activity when through this zone that has the high temperature and no pressure.

the part between the lower berner and the lime output is cooling zone cooling air comes into the kiln from the bottom cools lime stone to 75c and comes out of the kiln.Heated secondary air comes into calcining zone to help burn.

2.Tow-girder burning device is central part of the kiln.Some fuel(such as gas .liquid and solid)feed  pipes are placed into the girder the burner mixes fuel with the combustion air even.the quantity and the are of burners on the level are the same.this makes the kiln section temperature distrbuted even to cut doun raw-burner rate and raise lime activety

In order to protect the burner girder working at high temperature in the calcining zonemedium(water or heat oil) enters the burner girder sand-wich and circulates to cool.medium(water or heat oil passes the cooler to cool.reduces temperature and circulates .primary air preheated by waste air passes the burner girder and enters the kiln.heat energy is made full use of .safely when medium(water or heat oil)temperature rises above certain temperature.the stand-by pump makes surn mendium(water or heat oil)can keep circulating.

3.Gas extracing girder is on the kiln top. The quantity of pipes is decided by the kiln size.there are many evenly-distributed opens downside of the pipes kiln gas is extracted by the gas extracing girder through the opens to ensure negative pressure of the kiln section is evenly distributed.

4.The kiln has dual-pressure system.The small blower blows secondary air.Secondary air comer into the cooling zone to cool line even. This makes the part under the calcining zone keep positive pressure. Dual-pressure system controls the quantity of primary air and secondary air more precisely than all negative pressure sysrem. Waste air of the kiln top is extracted by the run-off regulator device to keep negative in the zones above the calcining zone and make heat temperature enen on the kiln section. The regulating range of air quantity is 10%~100%. Regulating burning air quantity makes the kiln working under the best operating condition saves energy and cuts down production cost.

Products:

Taida ceramic sand rotary kiln is working under (950 ℃ ~ 1050 ℃) conditions and calcined rock, kaolin, industrial waste and etc raw materials to ceramic texture particles, used as crushed aggregate instead of normal concrete brick making additive, ceramic sand density ratio is lower than gravel, and it’s high anti-acid and anti-penetration ability, already become one of the most widely used building material in recent years.

Technical Parameters:

Specification

(mm)

Kiln body size

Capacity

(t/h)

Rotation speed

(r/min)

Motor power

(kw)

Weight

(t)

Diameter

(mm)

Length

(mm)

Slope

(%)

φ1.4×33

1.4

33

3

0.9-1.3

0.39-3.96

18.5

47.5

φ1.6×36

1.6

36

4

1.2-1.9

0.26-2.63

22

52

φ1.8×45

1.8

45

4

1.9-2.4

0.16-1.62

30

78.2

φ1.9×39

1.9

39

4

1.65-3

0.29-2.93

30

77.59

φ2.0×40

2

40

3

2.5-4

0.23-2.26

37

119.1

φ2.2×45

2.2

45

3.5

3.4-5.4

0.21-2.44

45

128.3

φ2.5×40

2.5

40

3.5

9.0-10.5

0.44-2.44

55

149.61

φ2.5×50

2.5

50

3

6.25-7.4

0.62-1.86

55

187.37

φ2.5×54

2.5

54

3.5

6.9-8.5

0.48-1.45

55

196.29

φ2.7×42

2.7

42

3.5

10.0-11.0

0.10-1.52

55

198.5

φ2.8×44

2.8

44

3.5

12.5-13.5

0.437-2.18

55

201.58

φ3.0×45

3

45

3.5

12.8-14.5

0.5-2.47

75

210.94

φ3.0×48

3

48

3.5

25.6-29.3

0.6-3.48

100

237

φ3.0×60

3

60

3.5

12.3-14.1

0.3-2

100

310

φ3.2×50

3.2

50

4

40.5-42

0.6-3

125

278


Note: No further notice if the technical parameters change.

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