The tunnel kiln mainly is used in sanitary ware plants producing and firing especially for big toilet, basin and others ceramic products. Its length can be from 60-120m, width can be 2m-4m, and capacity can be 300,000-1,200,000 pcs.








- Kiln main body
- Kiln steel structure
- Lightweight refractory insulation material
- Dryer kiln
- Burning control system
- Thermal control system
- Kiln car
- Computer control system
- Low invest cost, high output;
- Low gas consumption, high efficiency;
Item | Name | Unit | Technical data | Remark |
1 | The kinds | Applicable for hi-grade sanitary ware | One time firing | |
2 | Production capacity | Per year | 300000-1.2millions pcs per year | |
3 | Kiln length | m | 60-120m | |
The inner width of kiln | m | 2.0-3.5m | Useful width:3.5m | |
The height of kiln | m | ≤0.9 | ||
4 | Workday | Days | 330 | |
5 | Pass rate | % | ≥95 | |
6 | Firing cycle | h | 12~18 | Can be adjusted |
7 | Size of kiln car | mm | 2460×1560, 3360×1650 | W× L |
8 | Applied loading size of kiln car | mm | 2500×1500×900, 3200×1600 | L×W×H |
9 | Quantity of kiln car | set | 85-145 | |
10 | Shed board | mm | 500mm | |
11 | Loading quantity of kiln car | PCS/CAR | Average 23 | Loading mixture |
12 | Firing temperature | ºC | 1180~1250 | Be adjusted by production's requirement |
14 | Firing atmosphere | oxidizing flame | ||
15 | Fuel | Natural gas | About 8500Kcal/Nm3 | |
16 | Quantity of firing burner | Pcs | 76-128 | Brand: Germany Krom |
17 | Control group for temperature | Group | 8-22 | Includes one for quick cooling |
18 | Temperature difference | ºC | ≤±5 | keeping temperature in firing section |
19 | Unit consume | Kcal/Kg | ≤1150 | |
21 | Operation for kiln car | completely automatic enter and out | ||
22 | Control mean for temperature | PLC | automatic control | firing in proportion |

