CN107906950A - One kind fires foamed ceramic slow cooling roller kilns - Google Patents
One kind fires foamed ceramic slow cooling roller kilns Download PDFInfo
- Publication number
- CN107906950A CN107906950A CN201711465894.1A CN201711465894A CN107906950A CN 107906950 A CN107906950 A CN 107906950A CN 201711465894 A CN201711465894 A CN 201711465894A CN 107906950 A CN107906950 A CN 107906950A
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- Prior art keywords
- roller rod
- conveying device
- cooling
- roller
- rod conveying
- Prior art date
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- 239000000919 ceramic Substances 0.000 title claims abstract description 37
- 238000010583 slow cooling Methods 0.000 title claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 102
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000007664 blowing Methods 0.000 claims description 44
- 238000010304 firing Methods 0.000 claims description 13
- 229910052573 porcelain Inorganic materials 0.000 claims description 9
- 230000000740 bleeding effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010791 quenching Methods 0.000 abstract description 4
- 230000000171 quenching effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011489 building insulation material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
- F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0072—Cooling of charges therein the cooling medium being a gas
- F27D2009/0075—Cooling of charges therein the cooling medium being a gas in direct contact with the charge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
Abstract
One kind fires foamed ceramic slow cooling roller kilns, the slow cooling roller kilns are formed by connecting by some section kiln bodies, often save in kiln body and be respectively provided with hollow chamber, be provided with chamber for hold foamed ceramic raw material saggar, be used for transmission saggar movement roller rod conveying device and for be blown into kiln body cooling wind cooling device, the roller rod conveying device is at least one group, and does periodically round-trip rotate；The both sides of every group of roller rod conveying device transmission direction are each provided with a set of heating element, and the row cooling tube group parallel with roller rod conveying device is both provided with above and below every group of roller rod conveying device.The present invention is by the cooling tube group of roller rod conveying device upper and lower to its quenching, temperature-compensating is carried out by the heating element of its both sides, so that cooling air-flow is uniformly dispelled in each saggar and foamed ceramic billet surface, form disturbance flow field, make each position uniform decrease in temperature, improve cooling effect and cooling effectiveness.
Description
Technical field
It is specifically a kind of to fire foamed ceramic slow cooling roller the present invention relates to exterior insulation production field
Road kiln.
Background technology
Currently, exterior insulation is more and more applied, existing foaming pottery as new building insulation material
Porcelain thermal insulation board is typically to be fired in fuel gas tunnel kiln or fuel gas table kiln, and raw material is under particular thermal process conditions through crystallization, hair
Bubble, sinter molding.Specifically, raw material is distributed in saggar, saggar is positioned on the kiln car for being covered with refractory material, multiple kiln cars
It is front and rear to be close to pass through the sections such as smoke evacuation, preheating, heating, constant temperature, chilling, slow cooling most successively in tunnel oven along track successively together
Kiln discharge afterwards.
Existing firing foamed ceramic product thermal insulation board, insulating brick technique after foaming by high-temperature fusion, it is necessary to its into
, in quick cooling zone, there is melting liquid phase in base substrate at this time in the quick cooling treatment of row, can directly quenching without causing
Cracking.The temperature for firing product is quickly reduced to less than 800 DEG C in quick cooling zone and carries out Slow cooling again.
When existing kiln carries out Slow cooling to foamed ceramic, carried out generally by the blowing mouth blowing of Yao Qiang both sides cold
But, be easy to cause edge cooling it is too fast, cooling during rolling is uneven, and cooling effect is poor.Since the self-heat conserving of foamed ceramic articles is special
Property, it is necessary to well uniformly cooling, when especially firing big specification foamed ceramic articles, when section inhomogeneous cooling causes the temperature difference big
Easily cause product cracking, deformation, these problems cause that cooling effectiveness is low, firing period is long, reduces product quality and yield.
The content of the invention
To solve, the existing inhomogeneous cooling in Slow cooling of the kiln used in existing foamed ceramic is even, cooling effect
Difference and then cause that cooling effectiveness is low, reduces product quality and the problem of yield, fire foamed ceramic the present invention provides one kind and use
Slow cooling roller kilns, which is driven using reciprocation type roller rod conveying device fills the saggar of foamed ceramic raw material to backhaul
It is dynamic, in the process, by the cooling tube group of its upper and lower to its quenching, by the heating element of its both sides into trip temperature
Compensation, so that cooling air-flow is uniformly dispelled in each saggar and foamed ceramic billet surface, in foamed ceramic cooling procedure
Disturbance flow field is formed, makes each position uniform decrease in temperature, improves cooling effect and cooling effectiveness.
The present invention is that technical solution is used by solving above-mentioned technical problem：One kind fires foamed ceramic slow cooling roller-way
Kiln, the slow cooling roller kilns are formed by connecting by some section kiln bodies, often save in kiln body and be respectively provided with hollow chamber, use is provided with chamber
In the roller rod conveying device and cold for being blown into kiln body for holding the saggar of foamed ceramic raw material, being used for transmission saggar movement
But the cooling device of wind, the roller rod conveying device are at least one group, and the horizontal arrangement along chamber, every group of roller rod conveying device
Include rotating in a horizontal plane and be arranged in chamber some conveying roller rods of an indoor row, and own in this group of roller rod conveying device
Drive it to do property synchronizing cycle by a roller rod transmission mechanism after the termination stretching kiln body of conveying roller rod homonymy to rotate back and forth；In chamber
The both sides of interior every group of roller rod conveying device transmission direction are each provided with a set of heating element, and the heating element of both sides is located at the group
The both sides for the saggar placed in roller rod conveying device, the heating element that often covers is the stove silk for being spirally wound on porcelain tube surface；Institute
State and the row cooling tube group parallel with roller rod conveying device is both provided with above and below every group of roller rod conveying device, often arrange cold
But pipe group is formed by some blowers in same level with conveying roller rod parallel arrangement, along its length on every blower
The blowing mouth of its oriented adjacent roller rod conveying device blowing of directional spreding is spent, every blower passes through hose and cooling device
In the connection of cooling source of the gas so that the cooling air-flow in cooling source of the gas is entered in every blower, and blown to by blowing mouth
In the chamber of kiln body.
As a kind of preferred embodiment of the present invention, the fire resisting that the kiln body includes rack and is laid with along frame inner wall is protected
Warm layer, and hollow rectangular fluid chamber is formed in central rack after refractory insulating layer laying.
As another preferred embodiment of the present invention, any one conveying roller in every group of roller rod conveying device
The conveying roller rod of rod and correspondence position in adjacent roller rod conveying device is located in same vertical plane, and each blower is respectively positioned on
In one group of roller rod conveying device above or below adjacent two conveying roller rods.
As another preferred embodiment of the present invention, row's cooling tube group positioned at topmost is only to adjacent below
The blowing of roller rod conveying device, the row's cooling tube group positioned at foot only to the adjacent roller rod conveying device blowing in its top,
When roller rod conveying device is more than two, there is row's cooling tube group, and row's cooling tube between two groups of roller rod conveying devices
Group is dried at the same time to two groups of adjacent roller rod conveying devices of its upper and lower both sides respectively.
As another preferred embodiment of the present invention, any one blowing in row's cooling tube group of topmost
Pipe is respectively positioned on the top in two conveying roller rod centre positions in adjacent roller rod conveying device below, the blowing mouth on the blower
For two rows, this two rows of blowing mouth is tilted towards drying with its two nearest conveying roller rod；Positioned at row's cooling tube group of foot
In any one blower be respectively positioned on its top adjacent roller rod conveying device in two conveying roller rod centre positions lower section, this blows
Blowing mouth on air hose is two rows, this two rows of blowing mouth is tilted towards drying with its two nearest conveying roller rod；Positioned at two groups of rollers
Any one blower is respectively positioned on any one in this two groups of roller rod conveying devices in row's cooling tube group between rod conveying device
In group roller rod conveying device above or below two adjacent conveyor roller rod centre positions, the blowing mouth on the blower is four
Row, this four rows blowing mouth are tilted towards drying with its four nearest conveying roller rod.
As another preferred embodiment of the present invention, the angle of the blowing mouth and perpendicular is 15-25 °.
As another preferred embodiment of the present invention, be additionally provided with the kiln body for adjust in kiln body pressure and
The exhaust apparatus of hot gas is discharged, which includes being separately positioned on the exhaust pipe at the top of kiln body, and the bottom of exhaust pipe is stretched into
To the top of kiln body inner cavity chamber, upper end is provided with air bleeding valve.
As another preferred embodiment of the present invention, all blowers often arranged in cooling tube group are by soft
Pipe is connected with a branch pipe in kiln body, and all branch pipes connect after collecting with a main pipeline, and main pipeline passes through pressure reducing valve and cooling
Cooling source of the gas connection in device.
As another preferred embodiment of the present invention, the homogeneous end seal of cooling tube group is closed, and the other end passes through hose
It is connected with the cooling source of the gas in cooling device, and the blind end of adjacent two rows of cooling tube groups advances positioned at roller rod conveying device respectively
The both sides in direction.
As another preferred embodiment of the present invention, the top of the heating element is defeated beyond corresponding roller rod
Send the upper surface for the saggar placed on device, the bottom for the saggar placed in higher than this group of the bottom roller rod conveying device of heating element
Face.
In the present invention, the conveying roller rod is made preferably using silicon carbide material；
In the present invention, due to the length of porcelain tube in heating element be it is certain, heating element be actually by several porcelain
Pipe is arranged along roller rod conveying direction, is then spirally wound on its surface with stove silk again and is formed；
In the present invention, cuboid cavity that saggar is surrounded by heat-stable ceramic plate and one piece of bottom plate；Cool down source of the gas and intermittent arteries and veins is provided
Punching cooling wind；
In the present invention, roller rod transmission mechanism drives all conveying roller rods in every group of roller rod conveying device to do property synchronizing cycle toward wraparound
It is dynamic, it is easily achieved in the prior art, such as transmission mechanism used in glass tempering furnace, therefore, its concrete structure
This is not repeated again；
In the present invention, when roller rod conveying device is two groups or more, these height of roller rod conveying device along kiln body internal cavity
Direction is uniformly distributed, shared row's cooling tube group between two groups of adjacent roller rod conveying devices, any in the roller rod conveying device
The both ends of a piece conveying roller rod are arranged with roller rod set, and conveying roller rod and roller rod set clearance fit, each roller rod set are equal
It is fixed in the refractory insulating layer being equipped with kiln body.
Beneficial effect：The present invention drives the saggar for filling foamed ceramic raw material by using reciprocation type roller rod conveying device
Backhaul dynamic, in the process, by the cooling tube group of its upper and lower to its quenching, the heating element for passing through its both sides carries out
Temperature-compensating, so that cooling air-flow is uniformly dispelled in each saggar and foamed ceramic billet surface, it is cooled in foamed ceramic
Disturbance flow field is formed in journey, makes each position uniform decrease in temperature, improves cooling effect and cooling effectiveness；The heating element of both sides can be protected
Additional heat when demonstrate,proving foamed ceramic and too fast kiln body cooling, ensures that foamed ceramic edges of boards portion and center uniformly synchronously cool down.
Brief description of the drawings
Fig. 1 is the side schematic view that the present invention one saves kiln body；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the structure diagram of the superiors' blower；
Fig. 5 is the structure diagram of the blower between two groups of roller rod conveying devices；
Fig. 6 is the structure diagram of orlop blower；
Reference numeral：1st, kiln body, 101, rack, 102, refractory insulating layer, 2, roller rod conveying device, 201, conveying roller rod, 202,
Roller rod transmission mechanism, 3, heating element, 301, porcelain tube, 302, stove silk, 4, cooling device, 401, cooling source of the gas, 402, pressure reducing valve,
403rd, hose, 404, cooling tube group, 405, blowing mouth, 5, exhaust apparatus, 501, exhaust pipe, 502, air bleeding valve, 6, saggar.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
As shown in figures 1 to 6, a kind of to fire foamed ceramic slow cooling roller kilns, which is connected by some section kiln bodies 1
Connect and form, often save kiln body 1 in be respectively provided with hollow chamber, be provided with chamber for hold foamed ceramic raw material saggar 6, use
The roller rod conveying device 2 moved in transmission saggar 6 and the cooling device 4 for being blown into cooling wind into kiln body 1, the roller rod
Conveying device 2 is at least one group, and the horizontal arrangement along chamber, and every group of roller rod conveying device 2 includes rotating in a horizontal plane
It is arranged in chamber some conveying roller rods 201 of an indoor row, and all 201 homonymies of conveying roller rod in this group of roller rod conveying device 2
Termination stretch out kiln body 1 after drive it to do property synchronizing cycle by a roller rod transmission mechanism 202 to rotate back and forth；Every group of roller in chamber
The both sides of 2 transmission direction of rod conveying device are each provided with a set of heating element 3, and the heating element 3 of both sides is located at this group of roller rod
The both sides for the saggar 6 placed in conveying device 2, the heating element 3 that often covers is the stove silk for being spirally wound on 301 surface of porcelain tube
302；The row cooling tube parallel with roller rod conveying device 2 is both provided with above and below every group of roller rod conveying device 2
Group 404, often arranges cooling tube group 404 and is formed by some blowers in same level with 201 parallel arrangement of conveying roller rod,
The blowing mouth 405 that its oriented adjacent roller rod conveying device 2 is dried, every blowing are distributed along its length on every blower
Guan Jun is connected by hose 403 with the cooling source of the gas 401 in cooling device 4, so that the cooling air-flow in cooling source of the gas 401 enters
Blown into every blower, and by blowing mouth 405 in the chamber of kiln body 1.
Above for the present invention basic embodiment, can more than on the basis of further improved, optimized and limited：
As a kind of preferred embodiment of the present invention, the kiln body 1 includes rack 101 and is laid with along 101 inner wall of rack resistance to
Fiery insulating layer 102, and after the laying of refractory insulating layer 102 hollow rectangular fluid chamber is formed at the middle part of rack 101；
As another preferred embodiment of the present invention, any one conveying roller rod in every group of roller rod conveying device 2
201 are located in same vertical plane with the conveying roller rod 201 of correspondence position in adjacent roller rod conveying device 2, and each blower
It is respectively positioned in one group of roller rod conveying device 2 above or below adjacent two conveying roller rods 201；
As another preferred embodiment of the present invention, row's cooling tube group 404 positioned at topmost is only to adjacent below
Roller rod conveying device 2 dry, row's cooling tube group 404 positioned at foot is only to adjacent roller rod conveying device 2 above it
Blowing, when roller rod conveying device 2 is more than two, has row's cooling tube group 404 between two groups of roller rod conveying devices 2, and
Row's cooling tube group 404 is dried at the same time to two groups of adjacent roller rod conveying devices 2 of its upper and lower both sides respectively；
As another preferred embodiment of the present invention, any one blowing in row's cooling tube group 404 of topmost
Pipe is respectively positioned on the top in two 201 centre positions of conveying roller rod in adjacent roller rod conveying device 2 below, blowing on the blower
Air port 405 is two rows, this two rows of blowing mouth is tilted towards the two piece conveying roller rods 201 nearest with it and dries；Positioned at the one of foot
Any one blower is respectively positioned in its top adjacent roller rod conveying device 2 in two conveying roller rods 201 in row's cooling tube group 404
Between position lower section, the blowing mouth 405 on the blower is two rows, this two rows of blowing mouth is tilted towards the two piece conveyings nearest with it
Roller rod 201 is dried；Any one blower is respectively positioned in row's cooling tube group 404 between two groups of roller rod conveying devices 2
In this two groups of roller rod conveying devices 2 in any one group of roller rod conveying device 2 two 201 centre positions of adjacent conveyor roller rod top
Or lower section, the blowing mouth 405 on the blower are four rows, this four rows blowing mouth is tilted towards the four piece conveying roller rods nearest with it
201 blowings；
As another preferred embodiment of the present invention, the angle of the blowing mouth 405 and perpendicular is 15-25 °；
As another preferred embodiment of the present invention, it is additionally provided with the kiln body 1 for adjusting pressure and row in kiln body 1
Go out the exhaust apparatus 5 of hot gas, which includes the exhaust pipe 501 for being separately positioned on the top of kiln body 1, the bottom of exhaust pipe 501
End extend into the top of 1 inner cavity chamber of kiln body, and upper end is provided with air bleeding valve 502；
As another preferred embodiment of the present invention, all blowers often arranged in cooling tube group 404 are by soft
Pipe 403 is connected with a branch pipe in kiln body 1, and all branch pipes connect after collecting with a main pipeline, and main pipeline passes through pressure reducing valve 402
It is connected with the cooling source of the gas 401 in cooling device 4；
As another preferred embodiment of the present invention, the 404 homogeneous end seal of cooling tube group is closed, and the other end passes through hose
403 are connected with the cooling source of the gas 401 in cooling device 4, and the blind end of adjacent two rows of cooling tube groups 404 is defeated positioned at roller rod respectively
Send the both sides of 2 direction of advance of device；
As another preferred embodiment of the present invention, the top of the heating element 3 is conveyed beyond corresponding roller rod
The upper surface for the saggar 6 placed on device 2, the bottom of heating element 3 are higher than the saggar 6 placed in this group of roller rod conveying device 2
Bottom surface；
In the present invention, exhaust apparatus 5 is two groups, and is separately positioned on the front and rear sides of 1 crown center of kiln body；
In the present invention, the conveying roller rod 201 is made preferably using silicon carbide material；
In the present invention, due to the length of porcelain tube 301 in heating element 3 be it is certain, if heating element 3 be actually by
Dry porcelain tube 301 is arranged along roller rod conveying direction, is then spirally wound on its surface with stove silk 302 again and is formed；
In the present invention, cuboid cavity that saggar 6 is surrounded by heat-stable ceramic plate and one piece of bottom plate；Cool down source of the gas 401 and interval is provided
Formula pulse cooling wind, so-called intermittent impulse cooling wind refer to, cooling 401 intermittent confession of source of the gas is controlled using pulse signal
Wind；
In the present invention, roller rod transmission mechanism 202 drives all conveying roller rods 201 in every group of roller rod conveying device 2 to do synchronizing cycle
Property rotate back and forth, be easily achieved in the prior art, such as transmission mechanism used in glass tempering furnace, therefore, its
Concrete structure again this do not repeat；
In the present invention, when roller rod conveying device 2 is two groups or more, these height of roller rod conveying device 2 along 1 internal cavity of kiln body
Degree direction is uniformly distributed, and row's cooling tube group 404, the roller rod conveying device 2 are shared between two groups of adjacent roller rod conveying devices 2
In the both ends of any one conveying roller rod 201 be arranged with roller rod set, and conveying roller rod 201 and roller rod set clearance fit, often
One roller rod set is each attached in the refractory insulating layer 102 being equipped with kiln body 1.
In addition, the quantity of roller rod conveying device 2 of the invention can be two groups, four groups it is even more, it is of the invention
Attached drawing 1-4 has been merely given as layout structure during three groups of roller rod conveying devices 2, when roller rod conveying device 2 is remaining quantity, its
Layout structure is identical with layout structure during three groups of roller rod conveying devices 2.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (10)
1. one kind fires foamed ceramic slow cooling roller kilns, the slow cooling roller kilns are by some section kiln bodies（1）It is formed by connecting, often saves kiln
Body（1）Hollow chamber is inside respectively provided with, the saggar for holding foamed ceramic raw material is provided with chamber（6）, be used for transmission casket
Alms bowl（6）The roller rod conveying device of movement（2）And for kiln body（1）Inside it is blown into the cooling device of cooling wind（4）, its feature exists
In：The roller rod conveying device（2）At least one group, and the horizontal arrangement along chamber, every group of roller rod conveying device（2）Include
Rotated in a horizontal plane and be arranged in chamber some conveying roller rods of an indoor row（201）, and this group of roller rod conveying device（2）Middle institute
There is conveying roller rod（201）Kiln body is stretched out in the termination of homonymy（1）Afterwards by a roller rod transmission mechanism（202）It is driven to do property synchronizing cycle
It is round-trip to rotate；Every group of roller rod conveying device in chamber（2）The both sides of transmission direction are each provided with a set of heating element（3）, and
The heating element of both sides（3）Positioned at this group of roller rod conveying device（2）The saggar of upper placement（6）Both sides, it is described often to cover heating unit
Part（3）To be spirally wound on porcelain tube（301）The stove silk on surface（302）；Every group of roller rod conveying device（2）Above and below
It is both provided with a row and roller rod conveying device（2）Parallel cooling tube group（404）, often arrange cooling tube group（404）By same water
In plane with conveying roller rod（201）Some blowers of parallel arrangement form, and are distributed along its length on every blower
Its oriented adjacent roller rod conveying device（2）The blowing mouth of blowing（405）, every blower passes through hose（403）With cooling
Device（4）In cooling source of the gas（401）Connection, so that cooling source of the gas（401）In cooling air-flow enter in every blower,
And pass through blowing mouth（405）Blow to kiln body（1）Chamber in.
A kind of 2. firing foamed ceramic slow cooling roller kilns according to claim 1, it is characterised in that：The kiln body（1）
Including rack（101）With along rack（101）The refractory insulating layer that inner wall is laid with（102）, and refractory insulating layer（102）After laying
Rack（101）Middle part forms hollow rectangular fluid chamber.
A kind of 3. firing foamed ceramic slow cooling roller kilns according to claim 1, it is characterised in that：Every group of roller rod
Conveying device（2）In any one conveying roller rod（201）With adjacent roller rod conveying device（2）The conveying roller rod of middle correspondence position
（201）In same vertical plane, and each blower is respectively positioned on one group of roller rod conveying device（2）In adjacent two conveying rollers
Rod（201）Above or below.
A kind of 4. firing foamed ceramic slow cooling roller kilns according to claim 1, it is characterised in that：Positioned at topmost
One row's cooling tube group（404）Only to roller rod conveying device adjacent below（2）Blowing, positioned at row's cooling tube group of foot
（404）Only to the adjacent roller rod conveying device in its top（2）Blowing, when roller rod conveying device（2）For it is more than two when, two groups of rollers
Rod conveying device（2）Between there is row's cooling tube group（404）, and row's cooling tube group（404）Respectively to its upper and lower both sides phase
Two groups of adjacent roller rod conveying devices（2）Dry at the same time.
A kind of 5. firing foamed ceramic slow cooling roller kilns according to claim 1 or 4, it is characterised in that：Positioned at most upper
One row's cooling tube group in portion（404）In any one blower be respectively positioned on adjacent roller rod conveying device below（2）In two it is defeated
Send roller rod（201）The top in centre position, the blowing mouth on the blower（405）For two rows, this two rows of blowing mouth be tilted towards with
Its two nearest conveying roller rod（201）Blowing；Positioned at row's cooling tube group of foot（404）In any one blower it is equal
It is positioned above adjacent roller rod conveying device（2）In two conveying roller rods（201）The lower section in centre position, blowing on the blower
Air port（405）For two rows, this two rows of blowing mouth is tilted towards the two piece conveying roller rods nearest with it（201）Blowing；Positioned at two groups of rollers
Rod conveying device（2）Between row's cooling tube group（404）In any one blower be respectively positioned on this two groups of roller rod conveying devices
（2）In any one group of roller rod conveying device（2）In two adjacent conveyor roller rods（201）Above or below centre position, this blows
Blowing mouth on air hose（405）For four rows, this four rows blowing mouth is tilted towards the four piece conveying roller rods nearest with it（201）Blowing.
A kind of 6. firing foamed ceramic slow cooling roller kilns according to claim 1, it is characterised in that：The blowing mouth
（405）Angle with perpendicular is 15-25 °.
A kind of 7. firing foamed ceramic slow cooling roller kilns according to claim 1, it is characterised in that：The kiln body（1）
Inside it is additionally provided with for adjusting kiln body（1）The exhaust apparatus of interior pressure and discharge hot gas（5）, the exhaust apparatus（5）Including respectively
It is arranged on kiln body（1）The exhaust pipe at top（501）, exhaust pipe（501）Bottom extend into kiln body（1）The top of inner cavity chamber, on
End is provided with air bleeding valve（502）.
A kind of 8. firing foamed ceramic slow cooling roller kilns according to claim 1, it is characterised in that：Often row's cooling
Pipe group（404）In all blowers pass through hose（403）With kiln body（1）Upper branch pipe connection, all branch pipes collect
Connected afterwards with a main pipeline, main pipeline passes through pressure reducing valve（402）With cooling device（4）In cooling source of the gas（401）Connection.
A kind of 9. firing foamed ceramic slow cooling roller kilns according to claim 1, it is characterised in that：The cooling tube group
（404）Homogeneous end seal is closed, and the other end passes through hose（403）With cooling device（4）In cooling source of the gas（401）Connection, and it is adjacent
Two rows of cooling tube groups（404）Blind end be located at roller rod conveying device respectively（2）The both sides of direction of advance.
A kind of 10. firing foamed ceramic slow cooling roller kilns according to claim 1, it is characterised in that：The heating unit
Part（3）Top exceed corresponding roller rod conveying device（2）The saggar of upper placement（6）Upper surface, heating element（3）'s
Bottom is higher than this group of roller rod conveying device（2）The saggar of upper placement（6）Bottom surface.
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| CN201711465894.1A CN107906950B (en) | 2017-12-28 | 2017-12-28 | Slow cooling roller kiln for firing foamed ceramics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465894.1A CN107906950B (en) | 2017-12-28 | 2017-12-28 | Slow cooling roller kiln for firing foamed ceramics |
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| CN107906950A true CN107906950A (en) | 2018-04-13 |
| CN107906950B CN107906950B (en) | 2024-01-30 |
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