complete presentation on auto bricks field (Hoffman & Tunnel kiln) making process with importance documents needed from Bangladesh Government.

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5. Plate Feeder
• The plate feeder is used for rationing the needed materials which
crushed and aged the machine is one of the key equipment's of
whole production line, stores and feeds the materials by loader
continuously, it is mainly suitable for the hard material, such as:
shale, gangue and etc.

6. Product Information: Plate Feeder
Feeding materials by rotational aluminum plate Store the materials in short-term

7. Equipment structure diagram
1. Head actuating device 2. Support 3. Hopper 4. Drag chain 5. Tail control apparatus

8. Equipment advantages:
The machine is easy to install and works reliable
with small power consumption, it also can change
and control the materials feeding quantity. It can
feed qualified materials and fuel to other
equipment for treating and processing uniformity
and also can feed the materials and fuel in certain
proportion.

9. Equipment parameters:
Model Production
Capacity (m3/h)
Equipment Power
(KW)
Dimension
(mm)
XGL60*400 10-35 5.5 4670*1890*1470
XGL80*400 10-45 7.5 4670*2050*1470
XGL120*500 30-70 15 5780*2500*1700
Safara Agro supply multiple types of plate feeder suitable for your materials and
production capacity, Our products apply in
All over Bangladesh.

10. Box Feeder
The box feeder is used for rationing the needed materials which have been crushed and aged, the machine is key
equipment
Of the whole production line, stores and feeds the materials by loader continusously, it is mainly suitable for the clay
and soft clay and soft clay materials of high moisture content.
For feeding and storage materials continuously

11. On-Site Photo
Product Information: Box Feeder
The dam-board at the mouth of feeder can ensure the feeding capacity in unit
time.
The driving roller drives the belt to feeding materials
continuously.

12. Primary structure of equipment:
electromotor, reduction box, driving roller,
driven roller, conveyor belt.

13. Product Information: Box Feeder
Equipment advantage: The machine is easy to be installed and works reliably with
small power consumption; it can also change and contro the materials feeding
quantity. It can feed qualified materials and fuel to other equipment for treating
and processing uniformity and also can feed the materials and fuel in certain
proportion.
Model Production Capacity (m3/h) Equipment Power
(KW)
Dimension
(mm)
XGD60*400 10-35 5.5 4400*1490*1320
XGD70*450 10-45 7.5 5150*1500*1430
XGD80*450 10-45 75 5170*1700*1350
Equipment parameters:
SAFARA Agro supply multiple types of box feeder

14. Belt Conveyor
• Belt conveyor is equipment for conveying materials, and for coordingating other
equipment to treat materials, stacking bricks manually and separate bricks.
 Belt conveyor is mainly consisting of belt, roller and touch roll.
Belt Conveyor
Conveying the materials
Conveying the bricks for convenitnt
manual stacking

15. Product Information: Belt Conveyor
The drive roll drives the belt operates.
The touch roll plays the role of supporting belt.

16. Product Information: Belt Conveyor
Support Frame of touch roll

17. Equipment parameters:
Model Width of belt
(mm)
TD75-500 500
TD75-650 650
SAFARA Agro supply all types of belt conveyor. Our products apply in all over Bangladesh

18. Electro-vibrating Feeder
Electro-vibrating feeder is equipment for transporting the materials of massive, graininess or power to brick receiving
equipment uniformly continuous with a certain quantity.
Working principle:
Electro-vibrating feeder consists of material feeding slot, vibration exciter, spring bearing, transmission and
etc. The vibration source of electro-vibrating feeder is vibration exciter; vibration exeiter is composed of
two eccentric shafts (driving shaft and driven shaft) and gear pair, the motor drive the driving shaft through
triangular belt , the the cog of driving shaft will engage the driven shaft to rotate, the driving and driven
shaft contra rotation. In the same time to make the slot vibrate, and the materials will bbe flowed
continuously, thus t achiveve the purpose of materials transmit.

19. Product information: Electro vibrating Feeder
1. Clevis 2. Feeding slot 3. Electromagnet 4. Armature 5. Foundation bed 6. Blade spring
7. Damper spring

20. Equipment advantages:
With high applicability and high working efficiency. Withhigh applicability for all kinds of materials especially for
stickiness rock materials, and also can work under the situations of dustiness and high moisture content.
Equipent parameters:
Model Production capacity
(t/h)
Equipment power
(KW)
Dimension
(mm)
GZD-650×2300 80 2.2 2300*1360*780
GZD-750×2500 100 2.2 2500*1460*780
GZD-850×3000 120 6 3110*1800*1600
GZD-1000×3600 150 11 3850*1950*1630
GZD-1100×4200 240 11 4400*2050*1660
GZD-1100×4900 450 22 5200*2350*1750
GZD-1500×5600 450-800 24 5700*2000*1750
ZSW-380×95 96-160 11 3920*1640*1320
ZSW-490×110 120-280 15 4980*1830*1320
ZSW-600×130 400-560 22 6082*2580*2083

21. Aging Room Equipment
The mainly equipment aging room is reversible distribution machine and multi-
bucket excavator.
Reversible moving distribution machine is one of the essential equipment in brick &
tile productive process, the equipment is conveying equipment for distributing
materials over the aging room in sequence after mixing with water added.
Multi-bucket excavator takes the materials which go through the aging room in
succession by using the bucket, and through chain drive the bucket to transport the
materials to feed belt uniformity, send to the next process. According to the different
structre, the multi-bucket excavator is divided into hydraulic multi-bucket excavator
and bridge type multi-bucket excavator.

22. The aging room is mainly used for aging materials and spreading the moisture of materials uniformity, the plasticity of materials
Can be improved after aging , meanwhile, it aslo can storage materials in short perion.

23. Reversible Distribution Machine
Reversible distribution machine moves around at the upside of aging room and ensure the material distribution of unit area
is uniform.

24. Product Information: Multi-bucket Excavator
Primary structure: electromotor,
Reductionbox,Triangular belt, steel rail.
Level view

25. Top view
Equipment advantgage: use H type hanger frame plan, the H type hanger frame moves together when
distributing the
Materials, meanwhile, two ends of H type hanger frame equip reversible belt conveyor to distribute the
materials in the horizontal direction of aging room. The design has advantages of big storage capacity, more
uniform aging and better effect; this is the most advanced aging method in the word aging present.
Equipment parameters:
Model Production
capacity (m3/h)
Moving power
(kw)
Transmission
Moving power (kw)
Dimension (mm)
DS60*18~30m 40-50 3 3 6000*18000~30000
DS60*30~50m 40-50 5.5 7.5 600*30000~50000

26. Hydraulic excavator
Product Information: Multi-Bucket Excavator
Hydraulic excavator conducts the excavation by moving bucket. Hydraulic excavator can move around at the ferry line

27. The arms of hydraulic excavator can go up and down flexibly.
Product Information: Multi-bucker Excavator
Primary structure: electromotor, running gear, conveyor belt, ladder, chain, bucket.

28. Equipment advantage:
Adopt hydraulic transmission, replace the traditionalplate link chain by round-link chain by round-link chain,operation
reliable
Simple atructure, moving steady, non-pollution, without materials leakage, production continuously, low cost,
simplify operation and
Haphazard selection of manual operatinon and automatic control.
Equipment parameters:
Type Production capacity (m3/h)
DWY40-890 40
DWY45-950 45
DWY50-950 50
DWY55-950 55

29. Bridge type multi-bucket excavator
Product Information: Multi-bucket Excavator
It is suitable for the yearly capacity of 120 million standard bricks with the advantages
of big excavating capacity in unit time and high efficiency. The shape likes bridge, so it is called bridge
type multi-bucket excavator
The bucket arm can move freely in the steel bracket for convenience of taking materials.

30. Equipment advantages:
small floor space, big aging storage capacity, big feeding volume, high efficiency
Equipment parameters:
Product Information: Multi-bucket Excavator
Model Material Feeding Speed
QSDDQLJ-1 160

31. Hammer Crusher
●The equipment is used for impacting and crushing materials by rapid rotation hammer.
●It is suitable for crushing materials of brittleness, with medium hard and low moisture content, such
as gangue, shale, slag and etc.
2 Raw Material crushing Equipment
The crushing process is as follows: The materials will be crushed by the impact of rapid rotation hammer after entering into
the crusher. The crushed materials will be pushed to the inner dam—board in the frame and grating by the power from
hammer, meanwhile, the materials strikes to each other, being broken in several times, the materials smaller than the size
between the grating will be discharged from the grating, a few over-size materials will be crushed, grinded and extruded by
the power at the grating, the materials will be extruded from the space of grating and become qualified particle size.

32. Product Information: Hammer Crusher
Primary structure:
sieve plate, hammers carrier, hammer, flywheel, turn plate, counter-attack board in center line
Equipment advantages: simple construction, compact structure, light weight, easy operation and maintenance, big
production capacity, and low unit energy consumption

33. Equipment parameters:
Model Production
Capacity (m3 /h)
Equipped Power
(KW)
Dimension (mm)
PC80*55 15-25 55 1400*1050*1400
PC100*80B 25-35 75 1400*1750*1880
PC110*80B 40-50 90 1900*1630*1880
PC120*100 50-60 132 2300*2420*2170
SAFARA Agro supply multiple types of crusher suitable for your materials and production capacity, our
products apply in all over Bangladesh

34. Primary Rolling Crusher
This equipment is mainly used for crushing soft materials.
●The materials can be crushed to granules smaller than 5mm.
Crushing soft materials Send the crushed materials to the
next process

35. Product Information: Primary Rolling Crusher
The scraper under the crusher can prevent the crushed materials paste on the roller thus to ensure normal operation
Primary structure: electromotor, roller ring, scraper, roller
Equipment advantages:
the lumpy raw material entered the primary rolling crusher is extruded into less than 5mm granular raw material to
enhance plasticity and uniformity of raw material. It can play a vital role to increase the product quantity when
extruding tablet tile products and hollow brick products.

36. Equipment parameters:
Model Production Capacity
(m3 /h)
Equipped Power
(KW)
Dimension
(mm)
SGP100*80 35-45 Y6-30*2 2790*1335*1155
SGP80*60 30-40 Y6-18.5*2 2680*1335*1140
SGP70*50 25-35 Y6-15*2 2450*1120*1120
SGP60*60 20-25 Y6-11*2 2200*1120*1100
SGP50*50 15-20 Y6-7.5*2 2000*1000*900
SAFARA Agro supply multiple types of crusher suitable for your materials and production capacity,
our products

37. Jaw Crusher
●The crushing cavity of this machine is composed of mobile jaw plate and static jaw plate, imitating the
two jaws movement of animals to affect the crushing works.
● The highest compressive strength of crushed materials is 320Mpa.
Crushing hard materials
The dam-board at the materials feeding mouth can feed
materials uniformity and also can store
materials.

38. Primary structure: machine element, jaw plate and side guard plate, driving medium, control apparatus, flywheel and lubricating
device......
Equipment structural map
Equipment advantages: deep crushing cavity without dead space, improvement of material input ability
and production capacity, big crushing ratio, uniform product grain size, simple structure, reliable work
and low operating cost.

39. Equipment parameters:
Model Production
Capacity
(t/h)
Size of Feeding
Hole (mm)
Equipment
Power (KW)
The Max.
Size of Input
Granules
(mm)
Adjustable
Range of
Discharge
Sole (mm)
Dimension (mm)
PE-500×750 45-80 500×750 55 425 50-100 1892*2054*1853
PE-600×900 70-120 600×900 55-75 500 65-160 2520*1840*2303
PE-750×1060 130-260 750×1060 110 630 80-140 2620*2302*3110
PE-900×1200 220-380 900×1200 110 750 95-165 3789*2826*3025
PE-1000×1200 230-380 1000×1200 110 850 195-265 3889*2826*3025
PE-1200×1500 400-800 1200×1500 200 1020 150-300 4200*3750*3820
PEX-300×1300 20-90 300×1300 55-75 250 25-105 1777*2330*1740

40. Fine Pulverizing Roller Crusher
●Fine pulverizing roller crusher is an equipment to crush and
roll the materials for refining treatment; it is mainly used for
crushing soft materials.
Two rollers with different rolling speeds operate in counter directions; the working clearance cannot be
more than 2mm.

41. Product Information: Fine Pulverizing Roller Crusher
Roller structure Roller ring and roller axis
Primary structure: electromotor, roller ring, scraper, roller
Equipment advantages: A material arranging machine is set on the roller ring, so that in width the whole roller ring
can exert the crushing effects, thus improving crushing degree of fineness and capacity,
meanwhile, making sure the

42. Product Information:Fine Pulverizing Roller Crusher
Equipment parameters:
Model Production Capacity
(m3 /h)
Equipped Power
(KW)
Dimension
(mm)
GS100*80B 30-40 Y6-37*2 5600*1850*1750
GS80*60B 25-35 Y6-22*2 3150*1700*1520
GS70*50B 15-25 Y6-18.5*2 2940*1430*1440
SAFARA Agro supply multiple types of crushing machine suitable for your materials and production capacity,
our products apply in all over the Banglaesh

43. Raw Material Mixing Equipment
Single Shaft Mixer
●The equipment is used for mixing the crushed materials with water added to make sure the materials
can absorb the moisture sufficiently, and for mixing two kinds of above crushed materials to make it fully
mixed.
●Compared with double shaft mixer, this machine only have one mixing shaft.
Mixing teeth

44. Primary structure: electromotor, reduction box, triangular belt, mixing teeth
Product Information: Single Shaft Mixer
Equipment advantages: mixing uniformity, big production capacity, low failure rate
Technical parameters:
Model Production Capacity
(m3/hr)
Length of agitated tank
(mm)
DJ-75 25~35 ≥3000
DJ-90 35~60 ≥3000
SAFARA Agro supply all types of mixer, our products apply in Bangladesh

45. Double Shaft Mixer
●The equipment is used for mixing the crushed materials with water added to make sure the materials can absorb the moisture
sufficiently, for mixing two kinds of above crushed materials to make it fully mixing. This equipment is suitable for mixing crusher
materials such as clay, shale, gangue, fly ash and etc in brick sintering and building blocks industry.
On-site Photo
Mixing materials by mixing teeth

46. Product Information: Double Shaft Mixer
Mixing materials by mixing teeth

47. Equipment Accessories
Mixing teeth
Mud cape sealing ring Single direction thrust ball bearing
Tapered roller bearing
Self-aligning roller bearing Deep groove ball bearing

48. Primary structure: screw shaft, bearing pedestal, bearing bush, bearing cap, gear, chain wheel, grease cup, blade.
Product Information: Double Shaft Mixer
Equipment advantages: The body of this machine is made of sheet panel and structural steel, and fits together with other parts;
it is the support of double shaft mixer. The body has close seal and no leakage of ash or fly ash blowing will happen.
Technical parameters:
Model Production Capacity
(m3 /h)
Equipped Power
(Kw)
Dimension
(mm)
SJ260x32 20-30 30 4500*1390*830
SJ280x32 20-30 37 4670*1390*830
SJ360x32B 20-30 45 5470*1480*840
SJ360x36B 25-35 55 5650*1520*920
SJ360x40 30-40 55 5710*1520*990
SJ350x50 60-90 110 5990*1750*1450

49. Brick Extruding Machine
Double shaft Mixing Extruder
●The product is suitable for mixing the crushed materials of clay, shale, gangue, fly ahs and etc, the mixing extruder have the
function of extrusion and cutting clay along with double shaft mixing with water and steam added. It is mainly used for
secondary mixing treatment of low plasticity materials with water added in this process. It is usually used next to the aging
house.

50. On-site photo
Mixing by mixing teeth
Product Information: Double Shaft Mixing Extruder
Cutting the clods into pieces by trowel.

51. Equipment Accessories Photo
Mixing teeth Mud cup sealing ring
Single direction thrust ball bearing
Tapered roller bearing
Self-aligning roller bearing
Trowel
Deep groove ball bearing

52. Product Information: Double Shaft Mixing Extruder
Primary structure: clutch, reduction box, gear case, two mixer shafts, mixing teeth, extrusion rimer, trowel teeth, bearing
housing assembly, agitator tank, base of mixing body, roof cove of mixing body, lining of mixing body and other parts.
Level view
Top view

53. Equipment advantages:
The sealing of this machine shell is tight without the phenomenon of ash leakage.
Technical parameters:
Model Production Capacity
(m3 /h)
Power
(Kw)
SJJ300×40 60~90 110
SJJ280×36 30~40 55
SJJ260×32 25~35 55

54. Vacuum Extruder
●This equipment is for vacuum extruding and molding the products of fired common brick, fired perforated brick, fired
hollow brick, hollow block and etc.
●Our extruder has three forms: soft plastic vacuum extruder, semi hard vacuum extruder and hard plastic vacuum
extruder.
●Soft plastic vacuum extruder is suitable for the raw materials with moisture content higher than 19%; the allowed extrusion
pressure is 2.0MPa.
●Semi hard vacuum extruder is suitable for the raw materials with moisture content between 16%~19%; the allowed extrusion
pressure is 3.0MPa.
●Hard plastic vacuum extruder is suitable for the raw materials with moisture content lower than 16%; the allowed extrusion
pressure is 4.0MPa.
SAFARA Agro supply full sets of vacuum extruders, the
reamer diameter is from 350mm to 750mm. According
to the test data, we will equip and customize the
equipment fully meeting your production demands,

55. Product Information: Vacuum Extruder
Clay press plate at the lower stage of extruder
The trowel of vacuum extruder
Mixing trowel
Brick mould

56. Extrusion end of vacuum extruder, connecting pipe, lining and 1/3 of spiral reamer all pass nickel alloyed powder spraying
process to make the hardness of 1/3 spiral reamer not less than HRC50. The process is easy for the user to maintain; the users
can weld or repair wear-resistant material by themselves with low cost and dispose in time.
Double shaft mixing part of vacuum extruder is a mixing system to send the treated clay materials to vacuum extruder.
This machine uses one motor, which is suitable for good plasticity raw materials and producing load-bearing tile, it is
economical equipment considering the power supply and investment.

57. Medium-plasticity extruder with 2 motors
This machine use 2 motors with the characteristics of high extruding pressure, and it is suitable for hard plasticity materials.
Equipment advantages:
reasonable design, compact structure, extrusion pressure and suitable for various materials, such as: coal gangue,
shale, fly ash, clay and etc

58. Equipment parameters:
Model Production
Capacity
(pcs/hr)
Equipped Power (KW) Speed of Main Shaft (turn/min)
JKY60/60-40 13000~20000 90 250 27 20
JKY55/55-40 12000~17000 75 185 27 23
JKY50/50E-40 11000~15000 55 160 38 25
JKB50/50B-38 11000~16000 55 160 38 25
JKB50/50C-35 11000~16000 55 132 38 25
JKB50/50C-32 11000~16000 55 132 35 30
JKB45/45D-35 10000~13000 45 110 35 30
JKB45/45F-30 10000~14000 45 90 42 34
JKR40/40F-25 8000~12000 37 75 40 35

59. 5 Brick cutting, Stacking and transporting system
Brick Stacking System
●Brick stacking system is consisting of brick stacker and separating, transporting system.
●The brick separating and transporting system is to turn, group and transport the bricks.
●Brick stacker will carry the grouped bricks (wet bricks, fired bricks) automatically, and put them in designated spots.
Brick Separating and Transporting System
Brick separating and transporting system will turn, group and transport the bricks to prepare for stacker in advance.

60. Turn, group and transport the bricks
Operating floor for brick separating and transporting control
system
Equipment advantage: This machine has the advantages of high degree of automation, easy to control and stacking in
order.

61. Equipment parameters:
Model Grouped column numbers Transfer Speed (M/min) Power
(KW)
FP-2 6 20 3.7
Full-automatic Brick Stacking Machine
Full-automatic brick stacking machine is suitable for the one-step stacking-firing tunnel kiln. It will carry the grouped bricks
(wet bricks, fired bricks) automatically, and put them in designated slots; it mainly consists of stacker and control system.
Working condition of full-automatic brick stacking machine

62. Primary structure: walking bar, chuck plate, separate table, lifting guide pillar, rail, hydraulic system, electrical system and
etc.
Equipment advantages: This machine has the advantages of high degree of automation, easy to control and stacking in order,
small floor space, and high efficient and low failure rate.
Equipment parameters:
Model Stacking Quantity
(pcs/hr)
Stacking Capacity
(pcs/time)
ZMP370X3 ≤20000 144
ZMP370X6 ≤30000 288
Full Automatic Robot Stacker Mechanical arm with transducer

63. The bricks are staked to kiln cart
Control system of robot stacker
Equipment advantages: This machine has the advantages of high degree of automation, easy to control and stacking in
order, small floor space, high efficient and low failure rate.
Equipment parameters:
Model Stacking frequency
(pcs/time)
Motion Frequency
(time/hr)
Bearing Capacity
(KG)
FBZXT-1 48 250 450

64. Column Cutting and Brick Cutting Machine
●Column cutting and brick cutting machine is used to cut the extruded strip into columns and then cut it into pieces.

65. On-site Photo
Cut the clay strip into columns Cut the brick columns into pieces
Cut the brick columns into pieces
Cutting column

66. Primary structure: brick cutter, brick column cutter

67. Level view for brick cutter
Level view for brick column cutter

68. Equipment advantages:
This machine consists of vertical automatic column cutter and automatic brick cutter, controls automatically and does not
need people to operate it.
Equipment parameters:
Model Equipment frequency
(times /min)
The max. column length
(mm)
The max. cutting height
(mm)
QTQD+QPA2 20 1254 250
QTA1+QPC1 22 1430 260
QTSK+QPSK (Double-
column type）
18 1620 260
QTB2+QPD1 20 1760 260
QTB3+QPD2 18 1760 260
QTB4+QPE1 20 1760 260
SAFARA Agro supply various types of column cutter and brick cutting machine suitable for your materials and production
capacity, our products apply in Bangladesh

69. Destacking Machine and Packing Machine
●Destacking machine will stack the fired bricks into the required place.
●Packing machine will pack the fired bricks with PET belt.
Destacking machine
Packing machine

70. Destacking and Packing Machine
The machine is installed at steel track, stacks
the bricks in the kiln car to the designated
place through moving.
Destacking state

71. Equipment advantages:
This machine is with high degree of automatic and rapid stacking speed, so that it can effectively solve
the problems of slow stacking speed.
Model Stacking Capacity
(pcs/hr)
Power
(KW)
XDJ 20000~24000 15
Equipment parameters:
Packing Machine
Packing machine is equipment, using PET packing belt to
automatically package the fired bricks, thus can reduce the
packing cost and transportation cost, save the manpower to
stack the bricks twice and ave the area.

72. Pack the bricks with packing machine
Pack the bricks

73. Pallet of bricks Packed bricks
Primary structure:
sending belt, retreat belt, disconnecting device, conveyer system, track rack, control device and etc.
Equipment advantages:
This machine with high degree of automatic and rapid packing speed, it effectively solved the problems of high packing cost,
slow speed, high transportation cost, land and etc.

74. Equipment parameters:
Model Stacking Capacity
(pcs/hr)
Stacking
dimension
(mm)
Width of PET Belt
(mm)
Thickness of PET
Belt
(mm)
JXDDB-1 ≥10000 ≤1000X800X1000 16~19 0.7~1.3
SAFARA Agro supply all types of discharging machine and packing machine, our products apply in All over Bangladesh

75. Automatic on-off Rack System
●Automatic on-off rack system is used for single-layer drying process.
●Stack the wet bricks on the drying shelf or unloading the fired bricks from drying shelf.
Automatic on-off rack system
Automatic on-off rack system will stack the separated bricks on the single-layer pallet through on-off rack device, at the same
time, the stepper machine of on-off rack system will cooperate to send the wet brick pallets into drying chamber. It is mainly
used for high moisture content bricks and high hollow rate bricks.

76. Drying shelf and drying pallet On-off rack equipment
Stacking the grouped bricks on rack Stepper of on-off rack system

77. The bricks on the rack will be send into drying chamber for drying, and the dried bricks will be unload to the
single-layer drying pallet by on-off device.

78. Equipment parameters:
Model Stacking Cycle
for 8 Layers
(min)
Active Area for
Storage bricks
Mm
Max. Stacking
Height
mm
Min. stacking
height
Mm
Power
(Kw)
SJ-2/XJ-2 3.5 1600×1400 2590 485 29.4
SAFARA Agro supply all types of automatic on-off rack system and matching systems, our products apply in Bangladesh.

79. Firing System
●Firing system is a system for firing dried bricks, which consists of tunnel kiln, kiln car and operating equipment's.
●Kiln wall structure: from inside to outside, it is fire clay brick, light insulating brick, aluminium silicate thermal insulation
material, and red brick. A certain distance apart, there should be equipped with expansion joints to ensure the free flexibility
of kiln body.
●Continuous production, short cycle, high output and high quality.
●The heating fuel of tunnel kiln is heavy oil, light diesel oil, natural gas, coal gas and firing coal.
Tunnel Kiln
According to different sections, the common tunnel kiln is 3.4m, 4.6m and 6.9m. The
kiln body is made of
fire brick, insulating brick, aluminium silicate thermal insulation material, and red
brick outer wall. The
inner of kiln equips fire-resistant steel rail for operation kiln car and equips
automatic operation
equipment and kiln monitoring equipment. Compared with other kilns, this kiln
is more energy
conservation and environment protection, higher output and longer useful life (over
15 yeas).

80. The fire-resistant hanger hangs over the steel structure support, the
refractory materials are filled
between firebrick and fire-resistant hanger thus to ensure the tightness
between firebricks. Using the
fire-resistant bricks with hangers is convenient to maintain the kiln body.
Firebricks in the kiln roof

81. While the kiln uses coal as the fuel, it has coal adding holes on it. And while it uses oil
as the fuel, the nozzles are set at the sides of kiln body.
The firebricks in the tunnel kiln are only used at the roof of firing zone and side
wall of kiln body. On the
premise of guaranteeing the quality of kiln body, save the cost of kiln body
structure.

82. In the tunnel kiln there are rails for kiln car operation. And
there are fans under the kiln cars, to make
sure that the kiln car will not be burned out and it is easy to
maintain.
There is a pipeline at the kiln body
to ensure the oxygen feeding, smoke
collection and after-heat collection.
The pipeline in the kiln roof will discharge the collected smoke
and feed the collected after-heat to the drying chamber.

83. The two kiln doors are set at the car entering end to ensure the
tightness of kiln body, the fans are set at the car exiting doors
to ensure rapid cooling for fired bricks.
Firebrick used in tunnel kiln
Thermal insulation material

84. Kiln Car
The firebrick, fired rock wool and red bricks are laid at the cast iron kiln car. The firebricks
ensure the kiln car separate from the high temperature and fired rock wool ensures the
tightness of fire bricks.
Cast iron kiln cartwheel
The kiln car is weld by the joist steel of
140mm*80mm, there is equipped with
first-class cast steel idler
wheel under the car.
Tunnel advantages:
Tunnel kiln has following features: high output, low fuel consumption, high degree
of automation, low pollution, short payback period, low operating cost and low
labor cost. Meanwhile, the kiln is equipped with firing system, smoke-releasing
system and cooling system to ensure the firing speed and firing quality.

85. Drying system
●Drying system is used for drying the wet bricks through drying chamber and drying cart, which makes preparation for firing
bricks.
●According to the different structures, the drying chamber can be divided into single-layer dryer, small section dryer and big
section dryer.
Drying chamber
The heat source of drying chamber is from firing kiln, the heat source will be sent into drying chamber through the pipeline
by heating fan, the moisture produced in drying process will be discharged by moist-releasing fan.
Singe-layer Drying
Single-layer drying is a drying system through on-off rack equipment to stack
the wet bricks on the single pallet; it can better dry the products of high
moisture content materials and high hollow rate, such as fly ash and clay
materials with high moisture content. The heat source is after-heat from firing
kiln and it can dry the bricks with the cooperation of moist-releasing fan.

86. Small Section Dryer
Small section drying chamber applies to
the production line with yearly capacity
lower than 30 million, it is suitable for
materials of clay, coal gangue and shale
with manual stacking method, low
investment and high adaptability.
The heat source is after-heat, which will
be sent into bottom of drying chamber by
heating fan and for drying the bricks with
the cooperation of moist-releasing fan.

87. Drying cart of small section drying
chamber
Big Section Drying Chamber
Big section drying chamber is the kiln body with same size of drying
chamber, it is suitable for hard materials of low moisture content, such as
clay, shale and coal gangue, it is a drying method for stacking the wet
bricks directly on the kiln cart of one-step stacking-firing process, it
is suitable for the production line with yearly capacity lower than 30
million.

88. Stack the wet bricks on kiln cart
Major component:
drying chamber, drying cart, kiln car or single-layer pallet, fan and etc.

89. Operating Equipment
● SAFARA Agro Operating equipment mainly has fan, hydraulic ferry car, dragger, hydraulic pusher and hydraulic stepper.
● The fan ensures the heating supply and moisture releasing, and also ensures the air supply, moisture releasing and smoke
discharging of firing kiln and cooling of kiln car.
●According to the different functions, we have moisture-releasing fan, heating fan, smoke-releasing fan, cooling fan and
combustion fan.
●Ferry car, dragger, pusher and steeper ensure the safe operation of the kiln cart in the kiln.
Product Information: Fan
Heating Fan
It is used for sending the heat of firing kiln to drying chamber and supplying the required heat for drying chamber.

91. Moisture releasing Fan
Moisture-releasing fan is divided into main moisture-releasing
fan and subsidiary moisture-releasing fan Main moisture-
releasing fan is the major moisture-releasing fan of drying
chamber and subsidiary moisture-releasing fan is the
subsidiary fan for host main moisture-releasing fan. Moisture-
releasing fan is installed at the roof of drying chamber; it is
used for discharging the moisture and dampness in the drying
chamber to ensure the drying quality.
Combustion Fan
Installed at the firing zone of tunnel kiln and supplies enough
oxygen for firing.

92. Smoke-releasing Fan
Smoke-releasing fan is installed at the above of firing zone in
the kiln for discharging the smoke in the firing zone.
Cooling Fan
According to the different functions, the cooling fan can
be divided into cooling fan at kiln door and cooling fan
under the car. Cooling fan at kiln door is installed at the car
outlet end for rapid cooling the fired bricks, and the blown air
will ensure the air pressure balance of kiln body. Cooling fan
under the car is installed under the car for cooling kiln car and
preventing the kiln car from being burned out with high
temperature.

93. Hydraulic Ferry Car
The car used for ferrying the kiln car and
for making the kiln car runs freely in the
ferry line.
Dragger
The machine is used at the outlet end of big
section drying chamber and tunnel kiln, it can
pull the dried and fired car from the drying
chamber or tunnel kiln to the ferry car.

94. Hydraulic Stepper
Hydraulic Pusher
Hydraulic pusher is used at the drying chamber
and firing kiln, it will push the kiln car into drying
chamber or tunnel kiln for drying or firing.
Hydraulic stepper is used at the stacking
process; it pushes the kiln car to cooperate
with the stacker works or manual stacking.
SAFARA Agro supply full sets of axial flow fan and centrifugal fan and complete set of automatic kiln running
equipment for you. Our products sell well in domestic