CN105218075B - The method that continous way fires antique building product - Google Patents
The method that continous way fires antique building product Download PDFInfo
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- CN105218075B CN105218075B CN201510589916.XA CN201510589916A CN105218075B CN 105218075 B CN105218075 B CN 105218075B CN 201510589916 A CN201510589916 A CN 201510589916A CN 105218075 B CN105218075 B CN 105218075B
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Abstract
The invention discloses a kind of method that continous way fires antique building product, building product base substrate is after preheating, humidity discharging, oxidation, sintering, into chilling band, if kiln is tunnel cave, then in 900 650 DEG C of sections of its chilling band, import and anoxybiotic isolation strip is formed in external steam to kiln cavity, and import in outside coal gas to kiln cavity and form reducing atmosphere in the anoxybiotic isolation strip, realize the reduction fixing of steam atomization anoxybiotic and building product；If kiln is roller kilns, above-mentioned identical function is realized in 700 650 DEG C of sections of its chilling band；The method for cooking of the present invention makes base substrate more thorough during reduction reaction fixing is completed, and fully inside and outside consistent, fixation effect is good, and the firing period with a collection of base substrate is about 1.5h, efficiency high.
Description
Technical field
Embodiments of the present invention are related to building material field, more specifically, embodiments of the present invention are related to a kind of connect
The method that continuous formula fires antique building product.
Background technology
The firing of traditional blue bricks, grey tile or antique class architectural decoration material is usually to use old-fashioned traditional " altar
Tank kiln " passes through fire, amplification fire, with small fire, protect fire, pour water, anoxybiotic, fixing, cooling product kiln discharge pile, process flow is numerous
It is trivial, firing period length, just fire a kiln within general 25 days or so, yield is small, and product defect is more, and quality product is relatively fewer, consumes
Cost is high, and product physical dimension deviation is big in sintering procedure because being that multilayer subcategory number is burnt, easily occur base, fried base,
Phenomena such as aberration is big, fume emission is big for environment pollution in sintering procedure, does not meet discharge standard, therefore production now is more does not use
Such kiln is fired.
It is improved for the defects of above-mentioned traditional kiln, the roller kilns used at present have environmental protection, energy-conservation, continous way life
Production, the advantages of yield is big, product quality is high, technology (preheating humidity discharging, oxidation, sintering, chilling, slow cooling control process) on more
Can solve the sintering curve of temperature and the control of system, Chinese patent application 201410060652.4 discloses a kind of blue bricks and fired
Method, fired using roller kilns, coloured after adobe chilling, coloring fuel in certain proportion by carbon monoxide, hydrogen, vapor,
Nitrogen is formed, and it is coloured and chilling is divided into two stages execution, although the blue bricks firing time is shortened to a certain extent, but
It is that its fixing reduction is thorough not enough, adobe coloring effect is not met by market will to the quality of the products such as ancient building brick and tile
Ask；Chinese patent application 201410587248.2 discloses a kind of method using split type tunnel cave brick firing, its preheating,
Firing is required to 7-8h, firing time length, and efficiency has much room for improvement；The defects of for prior art, need development one kind badly at present and kill
Blue or green reduction effect is good, fires the method for cooking of the products such as the building in the style of the ancients brick and tile of efficiency high.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of method that continous way fires antique building product,
It is expected to overcome the existing method for firing antique building product can not meet to finish simultaneously, reduction effect is good, fires effect
The defects of rate is high.
To solve above-mentioned technical problem, one embodiment of the present invention uses following technical scheme：
A kind of method that continous way fires antique building product, it is characterised in that comprise the following steps：
(1) preheating and humidity discharging
The good building product base substrate of code enters kiln preheating zone, with gradually rising for kiln temperature, the building product
Base substrate completes preheating and humidity discharging；
(2) aoxidize
Building product base substrate is transferred to oxidized zone from preheating zone, continues to raise with kiln temperature, the building product
Base substrate completes oxidation；
(3) sinter
Building product base substrate enters kiln clinkering zone high-temperature firing；
(4) chilling, steam atomizing anoxybiotic and reduction fixing
Building product base substrate after firing enters kiln chilling band and carries out chilling, if kiln is tunnel cave, in its chilling
900-650 DEG C of section of band, import and anoxybiotic isolation strip is formed in external steam to kiln cavity, and import outside coal gas to kiln
Reducing atmosphere is formed in the anoxybiotic isolation strip in cavity, realizes the reduction fixing of steam atomization anoxybiotic and building product；If kiln
Stove is roller kilns, then in 700-650 DEG C of section of its chilling band, imports in external steam to kiln cavity and form anoxybiotic isolation
Band, and import in outside coal gas to kiln cavity the anoxybiotic isolation strip formed reducing atmosphere, realize steam atomization anoxybiotic and
The reduction fixing of building product；The steam import volume is 1.8-2.0m3/ min, the coal gas import volume are 2.0-2.5m3/
min；Run duration of the building product base substrate in the above-mentioned 900-650 DEG C of section of chilling band or above-mentioned 700-650 DEG C of section be
4-6min；
(5) force slow cooling and tail cold
The building product that reduction fixing finishes enters slow-cooling-zone, and the air-heater of taking out set above slow-cooling-zone kiln body is made to building
Product are implemented to force cooling, and avoiding product from carrying out oxidation reaction again more than 300 DEG C influences fixation effect, forces slow cooling to 550 DEG C
Enter the tail cold stage afterwards below, be cooled to less than 250 DEG C and come out of the stove, obtain antique building product.
Further technical scheme is：The preheating refers to building product base substrate with 1.0-1.2m/h motion speed with humidity discharging
Degree, which is sent into kiln preheating zone, to be gradually risen the temperature of building product base substrate and completes the crystallization water, nytron in this process
The discharge of thing, organic matter, preheating zone temperature rise to 550 DEG C by 250 DEG C, with fortune of a collection of building product base substrate in kiln preheating zone
The dynamic time is 0.5h.
Further technical scheme is：The oxidation is building product base substrate enter oxidized zone from preheating zone after, with
Kiln temperature is gradually risen to 900 DEG C from 550 DEG C, the elements of the various mineral raw material molecules contained in building product base substrate with
Oxygen combines burning, and the oxidization time of building product base substrate is 10-15min.
Further technical scheme is：The high-temperature firing refers to that building product base substrate enters clinkering zone from oxidized zone
Afterwards, 10-15min is fired with 1000-1050 DEG C of temperature in clinkering zone.
Further technical scheme is：The 900-650 DEG C of section of chilling band of the tunnel cave or the urgency of roller kilns
700-650 DEG C of section of cold belt sets gradually gas inlet pipe and steam input pipe on the direct of travel of building product base substrate,
Gas inlet pipe connects gas generator and imports the coal gas in gas generator in kiln, steam input pipe connection steam copper
Stove simultaneously imports the steam in steam boiler in kiln, so that forming anoxybiotic isolation strip and reducing atmosphere in kiln.
Compared with prior art, one of beneficial effects of the present invention are：The present invention is formed absolutely using vapor in kiln
Oxygen isolation strip, and allow flue gas (coal gas) to permeate building product base substrate in this isolation strip, base substrate is completed reduction reaction fixing
During it is more thorough, fully inside and outside consistent, base substrate enters slow-cooling-zone after the completion of fixing reduces and is forced to cool down in slow-cooling-zone
Avoiding base substrate from carrying out oxidation reaction again more than 300 DEG C influences fixation effect, and kiln body tail is cold also to make cooling processing, is easy to pick to beat
Storehouse is wrapped into, the firing period with a collection of base substrate is about 1.5h, efficiency high.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The method of the present invention can be applied to two kinds of different kilns of roller kilns and tunnel cave.
Roller kilns are produced using tumbler (transmission of chain transmission type helical teeth) continous way, and traditional kiln is short on year-on-year basis for firing period
(foreshortening to 1.5h or so within 25 days or so).Produce blue bricks, grey tile and the whole roller kilns of antique product using preheating, humidity discharging,
Oxidation, sintering, chilling, steam atomizing anoxybiotic are with reducing blue or green, a series of pressure slow cooling to products such as the cold kiln discharge of tail physics of stopping, changing
Close reaction.The patented technology feature is that yield is big, Functionality, quality and appealing design, combustion system are that gas-fired, discharge standard meet national environmental protection
Acceptance criteria.
Tunnel cave production principle is essentially identical with roller kilns, and the kind of drive pushes away track type movement continous way fortune using top roof
Row production operation, traditional altar tank kiln is short (foreshortening to 1.5-2h or so by original 25 days or so) on year-on-year basis for firing period, and product exists
Also preheating, humidity discharging, oxidation, sintering, chilling, steam atomizing anoxybiotic are completed in this firing period with reducing green grass or young crops of stopping, forcing slow cooling, system
The serial physicals such as product kiln discharge, combination reaction change.Patented technology yield with conspicuous characteristics is big, Functionality, quality and appealing design, combustion system are internal combustion
Formula smokeless, pollution meets national environmental protection acceptance criteria, and tunnel cave fires antique article technology layman at home
Industry still belongs to pioneering successful example, should vigorously promote the use.
The present invention is improved furnace construction, and adjusts method for cooking on this basis, so as to reach more preferable burning
Effect and efficiency processed.
Roller kilns are the tunnel caves that a kind of section is in sleeve configuration, but the kiln car that it does not have to load product is transported in orbit
OK, but " roller-way " product is formed by the club arranged in parallel for crossing kiln face service aisle section one by one and is placed on roller rod, with
The rotation of roller rod and convey product, firing process process is completed in kiln, therefore claim roller kilns.Roller kilns have steelframe casing knot
Admaic earth brick masonry can be used in structure, roller kilns kiln body preheating zone, and humidity discharging band oxidized zone uses laying fireproof bricks, and kiln top uses ceiling
Pipe or high Aluminum cover are put up, and are also devised with adjusting in Yao Ding and solve the conciliation of product caused powder injection molding during baking
Groove or chimney hole, kiln body clinkering zone are built by laying bricks or stones using high alumina standard brick, and by product firing temperature block design burner block connection gas burner
Pipeline and burner, around here kiln top using High-Alumina furred ceiling and do isothermal holding；Chilling band and slow-cooling-zone are built using refractory fireclay block
Build, kiln top is also put up using ceiling pipe, does isothermal holding, and the spaced chilling groove of chilling band makees product quenching and reconciles work(
Can, and device and flue gas (coal gas) are inputted in kiln in the external steam input kiln of 700 DEG C of -650 DEG C of block designs of chilling band
Device, make to form anoxybiotic isolation strip in a large amount of vapor input kilns caused by its, and allow flue permeating base substrate, complete base substrate
It is more thorough during reduction reaction fixing, it is fully inside and outside consistent.Product enters slow-cooling-zone after by the fixing reduction of this section,
It is provided with above slow-cooling-zone kiln body and takes out air-heater to product implementation pressure cooling, avoids product from being aoxidized again more than 300 DEG C
Reaction influences fixation effect, and kiln body tail is cold also to do cooling processing, is easy to pick packaging and warehousing.The mode that passes to of whole roller kilns makes
Roller rod is driven to rotate with chain-type helical teeth, middle low temperature (just hold, and chilling band, slow-cooling-zone and tail cold belt are equal by preheating, humidity discharging, oxidized zone
Driving rod is done using iron pipe and medium temperature magnetic tube, high temperature clinkering zone does driving rod using high temperature magnetic tube), since whole product entering kiln
Also it is conveyed under the rotation of roller rod in kiln and completes a series of firing, a firing period about 1.5h can be completed.
Tunnel cave belongs to continuity flame heating kiln, usually straight line shape tunnel, and fixation is arranged at its both sides and top
Wall and vault, run kiln car on bottom laying track, pile product on kiln car, kiln car is orbited, and (car is got angry
It is motionless) burnt till.The structure that tunnel cave fires the antique product of building in the style of the ancients is broadly divided into five parts：It is defeated in kiln body, kiln
Equipment, combustion system, anoxybiotic atomization fixing is sent to go back original system, ventilating system.Kiln body, which is set, checks tunnel, is easy to clean what is fallen
Chip, the grains of sand, kiln car is cooled down, check kiln car and be easy to hauling-out to handle when the accident of falling base occurs.Kiln head and tail is provided with wicket
Ensure stable operation in kiln, prevent cold air from leaking into reduce stratification of hot gas, reduce upper and lower temperature difference.Between kiln car and kiln car, kiln car
Using dual tortuous closing between kiln wall, prevent to flow with the gas under car on kiln car face, it is therefore prevented that high-temperature part heat is straight
Connect radiation and give kiln car holostrome part, and make the increase of gas leakage resistance, steel plate skirt and the envelope sand launder of kiln car both sides constitute sand seal, separate
Kiln car space up and down, does not make cold air leak into kiln, hot gas is not also spilt.According to the difference of fuel, useful throwing coal combustion
Burnt with coal gas (or fuel oil), using the Kazakhstan air port set in kiln, breathe out air lock to adjust the sintering curve atmosphere system of whole brothel
The corresponding temperature of degree institute, it is ensured that burning till for product is required.The external steaming of same design between 900 DEG C -650 DEG C of tunnel cave chilling band
Device and flue gas (coal gas) input device in kiln in gas input kiln, are again provided with strong device for cooling on slow-cooling-zone kiln top, make it
Temperature is maintained at less than 300 DEG C, and avoiding product that oxidation chemistry change occurs again influences fixing reduction effect, when product reduction kills
Stacked again by facility kiln discharge of resisting and delaying after green grass or young crops is stable, complete whole sintering procedure.Ventilating system is typically arranged using air-introduced machine or ladder type
Chimney pump drainage, is provided with smoke exhaust fan (using VFC) on the tunnel kiln crown, and the Kazakhstan air port in blower fan air way connection kiln is simultaneously
Provided with air lock quantity-adjustable is breathed out, required temperature is burnt till to reach regulation product.Smoke evacuation chimney is generally used in baking tunnel cave,
Because baking tunnel cave whole kiln top according to product from enter tunnel cave in complete a series of preheating, humidity discharging, dehydration come
Echelon smoke evacuation chimney is set, it is ensured that product is not in fried brick in a series of dehydrations, humidity discharging reaction, across base, kiln collapse phenomenon, with profit
In be preferably applied to product drying and shorten firing period, improve yield.
Embodiment 1
The good building product base substrate of code is preheated into tunnel cave kiln preheating zone, humidity discharging, building product base substrate with
1.0m/h movement velocity is sent into kiln preheating zone, and preheating zone temperature rises to 550 DEG C by 250 DEG C, makes the temperature of building product base substrate
Degree gradually rises and completes the discharge of the crystallization water, hydrocarbon, organic matter in this process, exists with a collection of building product base substrate
The run duration of kiln preheating zone is 0.5h.Building product base substrate is transferred to oxidized zone from preheating zone, as kiln temperature is from 550
DEG C gradually rise to 900 DEG C, the element of the various mineral raw material molecules contained in building product base substrate burns combined with oxygen, builds
The oxidization time for building product base substrate is 15min.Building product base substrate enters clinkering zone progress high temperature from oxidized zone after the completion of oxidation
Fire, 10min is fired with 1050 DEG C of temperature.Building product base substrate after firing enters kiln chilling band and carries out chilling,
In 900-650 DEG C of section of chilling band, import and anoxybiotic isolation strip is formed in external steam to kiln cavity, and import outside coal gas
Reducing atmosphere is formed in the anoxybiotic isolation strip in kiln cavity, realizes that the reduction of steam atomization anoxybiotic and building product is killed
It is blue or green；The steam import volume is 1.8m3/ min, the coal gas import volume are 2m3/min；Building product base substrate is in chilling band
The run duration in 900-650 DEG C of section is 6min.
The building product that reduction fixing finishes enters slow-cooling-zone, and the air-heater of taking out set above slow-cooling-zone kiln body is made to building
Product are implemented to force cooling, and avoiding product from carrying out oxidation reaction again more than 300 DEG C influences fixation effect, forces slow cooling to 550 DEG C
Enter the tail cold stage afterwards below, be cooled to less than 250 DEG C and come out of the stove, obtain antique building product.
Embodiment 2
The good building product base substrate of code is preheated into roller kilns kiln preheating zone, humidity discharging, building product base substrate with
1.2m/h movement velocity is sent into kiln preheating zone, and preheating zone temperature rises to 550 DEG C by 250 DEG C, makes the temperature of building product base substrate
Degree gradually rises and completes the discharge of the crystallization water, hydrocarbon, organic matter in this process, exists with a collection of building product base substrate
The run duration of kiln preheating zone is 0.5h.Building product base substrate is transferred to oxidized zone from preheating zone, as kiln temperature is from 550
DEG C gradually rise to 900 DEG C, the element of the various mineral raw material molecules contained in building product base substrate burns combined with oxygen, builds
The oxidization time for building product base substrate is 15min.Building product base substrate enters clinkering zone progress high temperature from oxidized zone after the completion of oxidation
Fire, 15min is fired with 1000 DEG C of temperature.Building product base substrate after firing enters kiln chilling band and carries out chilling,
In 700-650 DEG C of section of chilling band, import and anoxybiotic isolation strip is formed in external steam to kiln cavity, and import outside coal gas
Reducing atmosphere is formed in the anoxybiotic isolation strip in kiln cavity, realizes that the reduction of steam atomization anoxybiotic and building product is killed
It is blue or green；The steam import volume is 2.0m3/ min, the coal gas import volume are 2.5m3/min；Building product base substrate is in chilling band
The run duration in 700-650 DEG C of section is 4min.
The building product that reduction fixing finishes enters slow-cooling-zone, and the air-heater of taking out set above slow-cooling-zone kiln body is made to building
Product are implemented to force cooling, and avoiding product from carrying out oxidation reaction again more than 300 DEG C influences fixation effect, forces slow cooling to 550 DEG C
Enter the tail cold stage afterwards below, be cooled to less than 250 DEG C and come out of the stove, obtain antique building product.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can be to theme combination layout in the range of disclosure
Building block and/or layout carry out a variety of variations and modifications.Except the variations and modifications carried out to building block and/or layout
Outside, to those skilled in the art, other purposes also will be apparent.
Claims (5)
1. a kind of method that continous way fires antique building product, it is characterised in that comprise the following steps：
(1) preheating and humidity discharging
The good building product base substrate of code enters kiln preheating zone, with gradually rising for kiln temperature, the building product base substrate
Complete preheating and humidity discharging；
(2) aoxidize
Building product base substrate is transferred to oxidized zone from preheating zone, continues to raise with kiln temperature, the building product base substrate
Complete oxidation；
(3) sinter
Building product base substrate enters kiln clinkering zone high-temperature firing；
(4) chilling, steam atomizing anoxybiotic and reduction fixing
Building product base substrate after firing enters kiln chilling band and carries out chilling, if kiln is tunnel cave, in its chilling band
900-650 DEG C of section, import and anoxybiotic isolation strip is formed in external steam to kiln cavity, and import outside coal gas to kiln cavity
The inherent anoxybiotic isolation strip forms reducing atmosphere, realizes the reduction fixing of steam atomization anoxybiotic and building product；If kiln is
Roller kilns, then in 700-650 DEG C of section of its chilling band, import and anoxybiotic isolation strip is formed in external steam to kiln cavity, and
Import in outside coal gas to kiln cavity and form reducing atmosphere in the anoxybiotic isolation strip, realize that steam atomization anoxybiotic and building are made
The reduction fixing of product；The steam import volume is 1.8-2.0m3/ min, the coal gas import volume are 2.0-2.5m3/min；Building
Run duration of the product base substrate in the above-mentioned 900-650 DEG C of section of chilling band or above-mentioned 700-650 DEG C of section is 4-6min；
(5) force slow cooling and tail cold
The building product that reduction fixing finishes enters slow-cooling-zone, and what is set above slow-cooling-zone kiln body takes out air-heater to building product reality
Pressure cooling is applied, avoiding product from carrying out oxidation reaction again more than 300 DEG C influences fixation effect, forces slow cooling to less than 550 DEG C
Enter the tail cold stage afterwards, be cooled to less than 250 DEG C and come out of the stove, obtain antique building product.
2. the method that continous way according to claim 1 fires antique building product, it is characterised in that the preheating
Refer to that building product base substrate is sent into kiln preheating zone with 1.0-1.2m/h movement velocity and makes the temperature of building product base substrate with humidity discharging
Degree is gradually risen and completes the discharge of the crystallization water, hydrocarbon, organic matter in this process, and preheating zone temperature is risen by 250 DEG C
It is 0.5h with run duration of a collection of building product base substrate in kiln preheating zone to 550 DEG C.
3. the method that continous way according to claim 1 fires antique building product, it is characterised in that the oxidation
After to be building product base substrate enter oxidized zone from preheating zone, as kiln temperature is gradually risen to 900 DEG C from 550 DEG C, building system
The element of the various mineral raw material molecules contained in product base substrate burns combined with oxygen, and the oxidization time of building product base substrate is
10-15min。
4. the method that continous way according to claim 1 fires antique building product, it is characterised in that the high temperature
Firing refers to building product base substrate after oxidized zone enters clinkering zone, and 10- is fired with 1000-1050 DEG C of temperature in clinkering zone
15min。
5. the method that continous way according to claim 1 fires antique building product, it is characterised in that the tunnel
The row of 900-650 DEG C of section of the chilling band of kiln or 700-650 DEG C of section of the chilling band of roller kilns in building product base substrate
Enter and gas inlet pipe and steam input pipe are set gradually on direction, gas inlet pipe connection gas generator and by gas generator
In coal gas import kiln in, steam input pipe connection steam boiler simultaneously by steam boiler steam import kiln in, so as to
Make to form anoxybiotic isolation strip and reducing atmosphere in kiln.
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| CN107337435B (en) * | 2017-08-29 | 2019-06-04 | 广西容县顺垚仿古建陶有限公司 | A kind of method for cooking of brick for antique architecture |
| CN110483065A (en) * | 2019-08-20 | 2019-11-22 | 广西欧神诺陶瓷有限公司 | A kind of glazed tile method for cooking and the corresponding roller kilns used |
| DE202020004019U1 (en) * | 2020-09-23 | 2020-10-27 | IAB - Institut für Angewandte Bauforschung Weimar gemeinnützige GmbH | Kiln for ceramic products to produce a defined firing color using water vapor |
| CN113636828B (en) * | 2020-10-22 | 2023-12-22 | 唐克勇 | Firing process for single-sided glazing green-returning tile |
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| CN1039986C (en) * | 1993-07-31 | 1998-09-30 | 杨兆安 | Method for production of blue brick and tile by using tunnel kiln |
| CN101328056A (en) * | 2007-06-20 | 2008-12-24 | 北京市西六建材有限责任公司 | Processes and apparatus for producing grey brick |
| CN202002465U (en) * | 2010-11-25 | 2011-10-05 | 王德明 | Thermal-insulating ceramic ornamental face brick baking roller hearth kiln |
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