CN105218075A - Continous way fires the method for antique building product - Google Patents
Continous way fires the method for antique building product Download PDFInfo
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- CN105218075A CN105218075A CN201510589916.XA CN201510589916A CN105218075A CN 105218075 A CN105218075 A CN 105218075A CN 201510589916 A CN201510589916 A CN 201510589916A CN 105218075 A CN105218075 A CN 105218075A
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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, enter chilling band, if kiln is tunnel furnace, then in 900-650 DEG C of interval of its chilling band, import in external steam to kiln cavity and form anoxybiotic isolation strip, and import outside coal gas to kiln cavity inherent described anoxybiotic isolation strip formation reducing atmosphere, the reduction realizing steam atomizing anoxybiotic and building product completes; If kiln is roller kiln, then realize above-mentioned identical function in 700-650 DEG C of interval of its chilling band; Method for cooking of the present invention makes base substrate complete more thorough in process completing reduction reaction, and fully inside and outside consistent, fixation effect is good, and the firing period with a collection of base substrate is about 1.5h, and efficiency is high.
Description
Technical field
Embodiments of the present invention relate to building material field, and more specifically, embodiments of the present invention relate to a kind of method that continous way fires antique building product.
Background technology
Tradition blue bricks, grey tile or firing of antique class architectural decoration material are generally adopt old-fashioned traditional " altar tank kiln " to burn through overbaking, amplify fire, use little fire, protect fire, pour water, anoxybiotic, complete, cooling goods kiln discharge pile, process flow is loaded down with trivial details, firing period is long, within general about 25 days, just fire a kiln, output is little, product defect is many, quality products is relatively less, consumed cost is high, and goods geometrical dimension deviation is large in sintering procedure, because be that multilayer subcategory number is burnt, so easily there is falling base, fried base, the phenomenons such as aberration is large, in sintering procedure, fume emission is big for environment pollution, do not meet emission standard, therefore how production does not adopt this type of kiln to fire now.
Defect for above-mentioned traditional kiln is improved, the roller kiln of current use have environmental protection, energy-conservation, continous way is produced, output is large, the advantage that product quality is high, in technology (preheating humidity discharging, oxidation, sintering, chilling, the control treatment of slow cooling) 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 method for cooking, employing roller kiln are fired, carry out painted after adobe chilling, painted fuel in certain proportion is by carbon monoxide, hydrogen, water vapour, nitrogen forms, but its painted and chilling is divided into two stages and performs, although shorten the blue bricks firing time to a certain extent, but it completes, reduction is thorough not enough, adobe coloring effect can't meet the specification of quality of market to products such as ancient building brick and tile, Chinese patent application 201410587248.2 discloses a kind of method utilizing split type tunnel furnace brick firing, its preheating, fires and all needs 7-8h, and the firing time is long, and efficiency has much room for improvement, for the defect of prior art, need the method for cooking that a kind of reduction effect that completes of development is good, fire the products such as the high building in the style of the ancients brick and tile of efficiency at present badly.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of continous way to fire the method for antique building product, with expect to overcome the existing method firing antique building product can not meet simultaneously the reduction effect that completes good, fire the high defect of efficiency.
For solving above-mentioned technical problem, one embodiment of the present invention by the following technical solutions:
Continous way fires a method for antique building product, it is characterized in that comprising the following steps:
(1) preheating and humidity discharging
The good building product base substrate of code enters kiln preheating zone, and along with the rising gradually of kiln temperature, described building product base substrate completes preheating and humidity discharging;
(2) be oxidized
Building product base substrate transfers to zone of oxidation from preheating zone, and along with the continuation of kiln temperature raises, described 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 complete
Building product base substrate after firing enters kiln chilling band and carries out chilling, if kiln is tunnel furnace, then in 900-650 DEG C of interval of its chilling band, import in external steam to kiln cavity and form anoxybiotic isolation strip, and importing outside coal gas to kiln cavity inherent described anoxybiotic isolation strip formation reducing atmosphere, the reduction realizing steam atomizing anoxybiotic and building product completes; If kiln is roller kiln, then in 700-650 DEG C of interval of its chilling band, import in external steam to kiln cavity and form anoxybiotic isolation strip, and import outside coal gas to kiln cavity inherent described anoxybiotic isolation strip formation reducing atmosphere, the reduction realizing steam atomizing anoxybiotic and building product completes; Described steam import volume is 1.8-2.0m
3/ min, described coal gas import volume is 2.0-2.5m
3/ min; Building product base substrate is 4-6min in above-mentioned 900-650 DEG C of interval of chilling band or above-mentioned 700-650 DEG C of interval run duration;
(5) force slow cooling and tail cold
The reduction complete building product that completes enters slow-cooling-zone, the calorifier of taking out arranged above slow-cooling-zone kiln body is implemented to force cooling to building product, avoid goods more than 300 DEG C, carry out oxidizing reaction again and affect fixation effect, force to enter the tail cold stage after below slow cooling to 550 DEG C, be cooled to less than 250 DEG C to come out of the stove, obtain antique building product.
Further technical scheme is: described preheating and humidity discharging refer to that building product base substrate is sent into kiln preheating zone with the movement velocity of 1.0-1.2m/h and the temperature of building product base substrate raised gradually and completes crystal water, hydrocarbon polymer, organic discharge in this process, preheating zone temperature rises to 550 DEG C by 250 DEG C, is 0.5h with the run duration of a collection of building product base substrate in kiln preheating zone.
Further technical scheme is: described oxidation is after building product base substrate enters zone of oxidation from preheating zone, along with kiln temperature is increased to 900 DEG C gradually from 550 DEG C, the element of the various mineral raw material molecules contained in building product base substrate combines burning with oxygen, and the oxidization time of building product base substrate is 10-15min.
Further technical scheme is: described high-temperature firing fires 10-15min at clinkering zone with the temperature of 1000-1050 DEG C after referring to that building product base substrate enters clinkering zone from zone of oxidation.
Further technical scheme is: 700-650 DEG C of interval of 900-650 DEG C of interval of the chilling band of described tunnel furnace or the chilling band of roller kiln sets gradually gas inlet pipe and steam input pipe on the direct of travel of building product base substrate, gas inlet pipe connects producer gas generator and imports in kiln by the coal gas in producer gas generator, steam input pipe connects steam boiler and is imported in kiln by the steam in steam boiler, thus makes to form anoxybiotic isolation strip and reducing atmosphere in kiln.
Compared with prior art, one of beneficial effect of the present invention is: the present invention uses water vapour in kiln, form anoxybiotic isolation strip, and allow flue gas (coal gas) permeate building product base substrate in this isolation strip, base substrate is made to complete more thorough in process completing reduction reaction, fully inside and outside consistent, base substrate enters slow-cooling-zone and is forced cooling at slow-cooling-zone and avoids base substrate more than 300 DEG C, carry out oxidizing reaction again affecting fixation effect after the reduction that completes completes, kiln body tail is cold also does cooling process, be convenient to pick packaging and warehousing, firing period with a collection of base substrate is about 1.5h, efficiency is high.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Method of the present invention can be applicable to the roller kiln kiln different with two kinds, tunnel furnace.
Roller kiln adopt tumbler (transmission of chain transmission type helical teeth) continous way to produce, and firing period is traditional kiln short (foreshortening to about 1.5h in about 25 days) on year-on-year basis.Produce blue bricks, grey tile and the whole roller kiln of antique goods adopt preheating, humidity discharging, oxidation, sintering, chilling, steam atomizing anoxybiotic with reduction stop green grass or young crops, force slow cooling to physics, the combination reaction of a series of goods such as the cold kiln discharge of tail.This patented technology feature is that output is large, Functionality, quality and appealing design, combustion system are gas-fired, emission standard meets national environmental protection standard for acceptance.
Tunnel furnace production principle is substantially identical with roller kiln, type of drive adopts top roof to push away the production operation of track type movement succession running, firing period is traditional altar tank kiln short (foreshortening to about 1.5-2h by original about 25 days) on year-on-year basis, goods also complete in this firing period preheating, humidity discharging, oxidation, sintering, chilling, steam atomizing anoxybiotic and reduction stop green grass or young crops, force serial physical, the combination reaction such as slow cooling, goods kiln discharge to change.This patented technology output with conspicuous characteristics is large, Functionality, quality and appealing design, combustion system are internal combustion type smokeless, pollution meets national environmental protection standard for acceptance, and tunnel furnace fire antique article technology at home and abroad industry still belong to pioneering successful example, should vigorously promote the use.
The present invention improves furnace construction, and adjusts method for cooking on this basis, thus reaches and better fire effect and efficiency.
The tunnel furnace of roller kiln to be a kind of cross sections be sleeve configuration, but the kiln car that it need not load goods orbits, but form " roller-way " goods by the club crossing servicesubway cross section, kiln face arranged in parallel one by one and be placed on roller rod, goods are carried along with the rotation of roller rod, in kiln, complete firing process process, therefore claim roller kiln.Roller kiln have steelframe body structure, roller kiln body preheating zone can use red clay brick masonry, humidity discharging band zone of oxidation uses laying fireproof bricks, kiln top uses ceiling pipe or high Aluminum cover to put up, also be designed with on kiln top and regulate and solve goods in conciliation groove or the chimney hole of smoking the powder injection molding produced in process, kiln body clinkering zone uses high alumina standard brick to build by laying bricks or stones, and presses goods firing temperature block design burner block connection gas furnace pipeline and burner, and kiln top uses High-Alumina furred ceiling and does isothermal holding around here; Chilling band and slow-cooling-zone use refractory fireclay block to build by laying bricks or stones, kiln top also uses ceiling pipe to put up, do isothermal holding, chilling band leaves interval quench tank and makes goods quenching mediation function, and device and flue gas (coal gas) input device in kiln in 700 DEG C of-650 DEG C of block design of chilling band external steam input kiln, anoxybiotic isolation strip is formed in a large amount of water vapour input kilns making it produce, and allow flue permeating base substrate, base substrate is made to complete more thorough in process completing reduction reaction, fully inside and outside consistent.Namely goods enter slow-cooling-zone after the reduction that completed by this section, be provided with above slow-cooling-zone kiln body and take out calorifier to goods enforcement pressure cooling, avoid goods more than 300 DEG C, carry out oxidizing reaction again and affect fixation effect, kiln body tail is cold also does cooling process, is convenient to pick packaging and warehousing.The mode that passes to of whole roller kiln uses chain-type helical teeth band action roller rod to rotate, middle low temperature (just hold by preheating, humidity discharging, zone of oxidation, chilling band, slow-cooling-zone and tail cold belt all use iron pipe and middle temperature magnetic tube to do driving rod, high temperature clinkering zone uses high temperature magnetic tube to do driving rod), whole goods are also conveyed in kiln and complete a series of firing from entering kiln under the rotation of roller rod, and a firing period is about 1.5h and can completes.
Tunnel furnace belongs to continuity flame heating kiln, be generally straight line shape tunnel, fixing wall and vault are arranged at its both sides and top, and bottom is laid on track and run kiln car, pile goods on kiln car, kiln car orbits, and (car is got angry motionless) burns till.The structure that the antique product of building in the style of the ancients fired by tunnel furnace divides quinquepartite substantially: in kiln body, kiln, handling equipment, firing system, anoxybiotic are atomized complete restoring system, ventilation system.Kiln body arranges inspection tunnel, is convenient to clean the chip, the grains of sand that fall, cooling kiln car, checks kiln car and is convenient to haul out process when the accident of falling base of generation.Kiln head and tail is provided with wicket and ensures stable operation in kiln, prevents freezing air from bleeding to reduce stratification of hot gas, reduces upper and lower temperature difference.Between kiln car and kiln car, dual complications are adopted to close between kiln car and kiln wall, stopped on kiln car face with the gas flow under car, prevent high-temperature part heat direct radiation to kiln car holostrome part, and gas leakage resistance is increased, the steel plate skirt of kiln car both sides constitutes sand seal with envelope sand launder, has cut off the upper and lower space of kiln car, do not make freezing air bleed in kiln, hot gas does not also spill.The difference of based on fuel, useful throwing coal combustion and coal gas (or fuel oil) burning, utilize arrange in kiln air port, Kazakhstan, breathe out air lock to regulate the corresponding temperature of sintering curve atmosphere system institute of whole brothel, guarantee needed for the burning till of goods.Between 900 DEG C-650 DEG C of tunnel furnace chilling band, in same design external steam input kiln, device and flue gas (coal gas) input device in kiln, strong device for cooling is provided with equally on slow-cooling-zone kiln top, its temperature is made to remain on less than 300 DEG C, avoid goods that oxidation chemistry variable effect occurs again to complete reduction effect, when product reduction complete stable after stacked by facility kiln discharge of resisting and delaying again, complete whole sintering procedure.Ventilation system generally adopts induced draft fan or ladder type smoke evacuation chimney pump drainage, smoke exhaust fan (use variable frequency control) is provided with on the tunnel kiln crown, blower fan air way connects the air port, Kazakhstan in kiln and is provided with breathes out air lock quantity-adjustable, regulates goods to burn till required temperature to reach.Smoke evacuation chimney is generally used in baking tunnel furnace, because of baking tunnel furnace complete a series of preheating according to goods from entering in tunnel furnace on whole kiln top, humidity discharging, dehydration reaction arrange echelon smoke evacuation chimney, guarantee that goods there will not be fried brick, across base, kiln collapse phenomenon in a series of dehydration, humidity discharging reaction, be beneficial to dry for product better and shorten firing period, improve output.
Embodiment 1
The good building product base substrate of code enters tunnel furnace kiln preheating zone and carries out preheating, humidity discharging, building product base substrate sends into kiln preheating zone with the movement velocity of 1.0m/h, preheating zone temperature rises to 550 DEG C by 250 DEG C, the temperature of building product base substrate being raised gradually and completes crystal water, hydrocarbon polymer, organic discharge in this process, is 0.5h with the run duration of a collection of building product base substrate in kiln preheating zone.Building product base substrate transfers to zone of oxidation from preheating zone, and along with kiln temperature is increased to 900 DEG C gradually from 550 DEG C, the element of the various mineral raw material molecules contained in building product base substrate combines burning with oxygen, and the oxidization time of building product base substrate is 15min.Be oxidized rear building product base substrate to enter clinkering zone from zone of oxidation and carry out high-temperature firing, fire 10min with the temperature of 1050 DEG C.Building product base substrate after firing enters kiln chilling band and carries out chilling, in 900-650 DEG C of interval of chilling band, import in external steam to kiln cavity and form anoxybiotic isolation strip, and importing outside coal gas to kiln cavity inherent described anoxybiotic isolation strip formation reducing atmosphere, the reduction realizing steam atomizing anoxybiotic and building product completes; Described steam import volume is 1.8m
3/ min, described coal gas import volume is 2m
3/ min; Building product base substrate is 6min 900-650 DEG C of chilling band interval run duration.
The reduction complete building product that completes enters slow-cooling-zone, the calorifier of taking out arranged above slow-cooling-zone kiln body is implemented to force cooling to building product, avoid goods more than 300 DEG C, carry out oxidizing reaction again and affect fixation effect, force to enter the tail cold stage after below slow cooling to 550 DEG C, be cooled to less than 250 DEG C to come out of the stove, obtain antique building product.
Embodiment 2
The good building product base substrate of code enters roller kiln kiln preheating zone and carries out preheating, humidity discharging, building product base substrate sends into kiln preheating zone with the movement velocity of 1.2m/h, preheating zone temperature rises to 550 DEG C by 250 DEG C, the temperature of building product base substrate being raised gradually and completes crystal water, hydrocarbon polymer, organic discharge in this process, is 0.5h with the run duration of a collection of building product base substrate in kiln preheating zone.Building product base substrate transfers to zone of oxidation from preheating zone, and along with kiln temperature is increased to 900 DEG C gradually from 550 DEG C, the element of the various mineral raw material molecules contained in building product base substrate combines burning with oxygen, and the oxidization time of building product base substrate is 15min.Be oxidized rear building product base substrate to enter clinkering zone from zone of oxidation and carry out high-temperature firing, fire 15min with the temperature of 1000 DEG C.Building product base substrate after firing enters kiln chilling band and carries out chilling, in 700-650 DEG C of interval of chilling band, import in external steam to kiln cavity and form anoxybiotic isolation strip, and importing outside coal gas to kiln cavity inherent described anoxybiotic isolation strip formation reducing atmosphere, the reduction realizing steam atomizing anoxybiotic and building product completes; Described steam import volume is 2.0m
3/ min, described coal gas import volume is 2.5m
3/ min; Building product base substrate is 4min 700-650 DEG C of chilling band interval run duration.
The reduction complete building product that completes enters slow-cooling-zone, the calorifier of taking out arranged above slow-cooling-zone kiln body is implemented to force cooling to building product, avoid goods more than 300 DEG C, carry out oxidizing reaction again and affect fixation effect, force to enter the tail cold stage after below slow cooling to 550 DEG C, be cooled to less than 250 DEG C to come out of the stove, obtain antique building product.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in scope disclosed in the present application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (5)
1. continous way fires a method for antique building product, it is characterized in that comprising the following steps:
(1) preheating and humidity discharging
The good building product base substrate of code enters kiln preheating zone, and along with the rising gradually of kiln temperature, described building product base substrate completes preheating and humidity discharging;
(2) be oxidized
Building product base substrate transfers to zone of oxidation from preheating zone, and along with the continuation of kiln temperature raises, described 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 complete
Building product base substrate after firing enters kiln chilling band and carries out chilling, if kiln is tunnel furnace, then in 900-650 DEG C of interval of its chilling band, import in external steam to kiln cavity and form anoxybiotic isolation strip, and importing outside coal gas to kiln cavity inherent described anoxybiotic isolation strip formation reducing atmosphere, the reduction realizing steam atomizing anoxybiotic and building product completes; If kiln is roller kiln, then in 700-650 DEG C of interval of its chilling band, import in external steam to kiln cavity and form anoxybiotic isolation strip, and import outside coal gas to kiln cavity inherent described anoxybiotic isolation strip formation reducing atmosphere, the reduction realizing steam atomizing anoxybiotic and building product completes; Described steam import volume is 1.8-2.0m
3/ min, described coal gas import volume is 2.0-2.5m
3/ min; Building product base substrate is 4-6min in above-mentioned 900-650 DEG C of interval of chilling band or above-mentioned 700-650 DEG C of interval run duration;
(5) force slow cooling and tail cold
The reduction complete building product that completes enters slow-cooling-zone, the calorifier of taking out arranged above slow-cooling-zone kiln body is implemented to force cooling to building product, avoid goods more than 300 DEG C, carry out oxidizing reaction again and affect fixation effect, force to enter the tail cold stage after below slow cooling to 550 DEG C, be cooled to less than 250 DEG C to come out of the stove, obtain antique building product.
2. continous way according to claim 1 fires the method for antique building product, it is characterized in that described preheating and humidity discharging refer to that building product base substrate is sent into kiln preheating zone with the movement velocity of 1.0-1.2m/h and the temperature of building product base substrate raised gradually and completes crystal water, hydrocarbon polymer, organic discharge in this process, preheating zone temperature rises to 550 DEG C by 250 DEG C, is 0.5h with the run duration of a collection of building product base substrate in kiln preheating zone.
3. continous way according to claim 1 fires the method for antique building product, it is characterized in that described oxidation is after building product base substrate enters zone of oxidation from preheating zone, along with kiln temperature is increased to 900 DEG C gradually from 550 DEG C, the element of the various mineral raw material molecules contained in building product base substrate combines burning with oxygen, and the oxidization time of building product base substrate is 10-15min.
4. continous way according to claim 1 fires the method for antique building product, after it is characterized in that described high-temperature firing refers to that building product base substrate enters clinkering zone from zone of oxidation, fires 10-15min at clinkering zone with the temperature of 1000-1050 DEG C.
5. continous way according to claim 1 fires the method for antique building product, it is characterized in that 700-650 DEG C of interval of 900-650 DEG C of interval of the chilling band of described tunnel furnace or the chilling band of roller kiln sets gradually gas inlet pipe and steam input pipe on the direct of travel of building product base substrate, gas inlet pipe connects producer gas generator and imports in kiln by the coal gas in producer gas generator, steam input pipe connects steam boiler and is imported in kiln by the steam in steam boiler, thus makes to form anoxybiotic isolation strip and reducing atmosphere in kiln.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337435A (en) * | 2017-08-29 | 2017-11-10 | 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 |
| CN113636828A (en) * | 2020-10-22 | 2021-11-12 | 唐克勇 | Single-side glazing and blue-turning tile hooking firing process |
| EP3974402A1 (en) * | 2020-09-23 | 2022-03-30 | IAB - Institut für Angewandte Bauforschung Weimar gemeinnützige GmbH | Firing furnace for ceramic products for generating a defined firing colour by means of steam |
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| CN1101026A (en) * | 1993-07-31 | 1995-04-05 | 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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2015
- 2015-09-15 CN CN201510589916.XA patent/CN105218075B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101026A (en) * | 1993-07-31 | 1995-04-05 | 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337435A (en) * | 2017-08-29 | 2017-11-10 | 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 |
| 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 |
| EP3974402A1 (en) * | 2020-09-23 | 2022-03-30 | IAB - Institut für Angewandte Bauforschung Weimar gemeinnützige GmbH | Firing furnace for ceramic products for generating a defined firing colour by means of steam |
| CN113636828A (en) * | 2020-10-22 | 2021-11-12 | 唐克勇 | Single-side glazing and blue-turning tile hooking firing process |
| CN113636828B (en) * | 2020-10-22 | 2023-12-22 | 唐克勇 | Firing process for single-sided glazing green-returning tile |
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