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常德5sets kiln in one line

2021-01-26 11:53:42
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常德5sets kiln in one line
detail:

I. Brief Description of kiln

19.2m2 Natural Gas Frit kiln adopt heat regenerative Horseshoe Flame Furnace. The furnace with advantages of big production capacity, stable quality, high thermal efficiency, low investment and easy operation as well. It is widely used in ceramic and glass industry at present.

Based on the principles of high capacity and quality, stable production and easy operation, the kiln and its accessory engineering were optimized, reasonable material selection and meticulous construction to achieve the users satisfaction on project. As following action:

 

1. Kiln body adopt full insulated technology, reducing surface heat radiation to save the energy.

2. The feeding end adopt the pre-melt structure, which can reduce the powder fling and advoid the blocking of check grid, reducing the  erosion to the kiln  and prolong kiln service life as well.

3.  The kiln body adopt the separate support structure inprove the kiln safety operation and reduce the maintain cost.(The seperate support structure means the pool wall, breast wall and big crown with its separate support, it has two advantages, 1st is more safety, 2nd is low maintain cost, when in maintain it just need to maitain the damage part, other part  no need maintain.)

 

4. Adopt external type block brick, the block brick is easy wear out, the external type easy maintain and while in repair no need stop the kiln.

 

5. The regenerator adopt the Siemens model, total 48layers in height, enlarge the heat exchange area increase the heat exchange efficiency.

 

 

 

II.Production technology process

1. Charts flow

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Note1. mixed material put into Ton bag, and sent to kiln silo by electric hoist.

     2. The frit after water quenched sent to storage tank and dewatered then packed.

     3. The process could be changed by user requirement.

 

III. Kiln Main Technical Parameters:

Sr.Noo

Item

Unit

Prameter

Technical require

Note

1

Product



Opac,Transparent


2

Capacity

ton/day

32--35



3

Fuel



Natural gas


4

Heat value

KcaL/Bm3

8300 --9000



5

Unit consumption

Bm3/T

220 --230



6

Furnace type



Horseshoe flame


7

Melting area


19.2


8

Melting pool L x W

mm

6000×3200



9

L/W (Ratio)


1.875



10

Height of pool wall

mm

700



11

Depth of liquid

mm

570



12

Melting rate

tons/m2/day

>1.7



13

Height of breast wall

mm

1015



14

Outriger

mm

200



15

Shape of feeding end (dog holes)



Trapezoid

sealing charge, pre-melting

16

Numbers feeding door

sets


2

Two sides feeding

17

Feeding machine



Screw feeding


18

External length of feeding end (dog hole)

mm

500



19

Blocking type



Outriger block brick


20

 Area of port

0.42-0.48



21

Flam spray / melting

%

2.2-2.5

Flame spray size : melting size

22

Downward inclination of  port

degree

23-25



23

Burner at port

set

2



24

Regenerator size

8.4 x 2(sides)



25

Check grid volumn

m3

47 x 2(sides)



26

Layers of check grid


48Layers



27

Exhaust model



mechanical


Note: 1.Whole production line require power total around 80kw

     2. The designation of charging system use electric hoist.

 


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