Heavy Oil Clay Brick Firing Kiln Tunnel Kiln 31 Hours Firing Cycle

Heavy Oil Clay Brick Firing Kiln Tunnel Kiln 31 Hours Firing Cycle

Category： Tunnel Kilns
Application: firing red bricks
Tunnel kiln width: 8600mm
Fuel type: heavy oil
Firing temperature: 1150℃
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Heavy Oil Clay Brick Firing Kiln Tunnel Kiln 31 Hours Firing Cycle

1. Brief introduction

Clay brick tunnel kiln is the most popular thermal kiln for baking building bricks because of its characteristics of continuous operation, stable thermal performance, high efficiency and stable quality. Compared to the traditional external tunnel oven, this oven has a larger cross-section and a shorter cooking cycle. clay brick tunnel kiln consists of kiln body, kiln car and conveyor equipment, combustion system, air exhaust system, control system, etc.

It adopts heavy oil as fuel to baking the bricks. The burning system adopts circulation return pipeline arrangement. The heavy oil is heated before supplied to each group of burners. The whole burning system is managed by computer system.

2. Main technical parameters:

No.	Function & Item	Unit	Parameter & Index	Remarks
1	Type of kiln		Flat roof type tunnel kiln
2	Product type		Clay block	Hollow type
3	Daily capacity (single line)	pcs	≥70,000	400x200x200mm
4	Length of kiln	m	162.8
5	Width inside of kiln	mm	8600
6	Size of kiln cart	mm	3600x8600 (LxW)
7	Capacity of kiln cart	set	45 (inside of kiln)	Total 68
8	Loading capacity of each kiln cart	pcs	2160	Approx22 tons
9	Valid height of loading	mm	2050	Designing 10 layers
10	Block moisture before entering kiln	%	3~5
11	Firing temperature	℃	950-1050	Designing 1150℃
12	Fuel type		Heavy oil	Thermal value: approx. 9500~10000 kcal/kg
13	Cycling of firing	H	24-40 adjustable	Designing 31.5H
14	Qualification rate of firing	%	≥98
15	Energy consumption per unit	kca/kg	≤350
16	Way of stacking & firing		2-time stacking & burning process, Automatically loading & unloading
17	Way of smoke evacuation		Mechanical smoke evacuation
18	Control method		PLC/PID automatic intelligent instrument control system, IPC Management