CN104649680A - Glazed ceramic tile production technology and production system thereof - Google Patents
Glazed ceramic tile production technology and production system thereof Download PDFInfo
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- CN104649680A CN104649680A CN201510099094.7A CN201510099094A CN104649680A CN 104649680 A CN104649680 A CN 104649680A CN 201510099094 A CN201510099094 A CN 201510099094A CN 104649680 A CN104649680 A CN 104649680A
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Abstract
The invention provides a glazed ceramic tile production technology and a production system thereof. According to the glazed ceramic tile production technology, secondary drying is conducted to a blank body after being glazed, so that the problems of product blank exposure, cracking and the like can be effectively decreased, and the yield of the glazed ceramic tile products can be increased. For the glazed ceramic tile production system, a secondary drying kiln and an open platform are additionally arranged between a glazing line and a kiln, residual heat from the chilling section and a slow cooling section of the kiln is used as a heat source of the secondary drying kiln, vapor in the secondary drying kiln is exhausted through a smoke exhaust section of the kiln, temperature link between the secondary drying kiln and the smoke exhaust section is separated by the open platform, and the discharge of vapor of the secondary drying kiln is favorably exhausted. According to the production system, the yield of the glazed ceramic tiles can be increased, and the energy consumption can be reduced.
Description
Technical field
The present invention relates to a kind of glazed ceramic brick production technique and production system thereof.
Background technology
Ceramic ware used in everyday, surface has one deck to have the glaze paint of oily gloss usually.The glaze paint of pottery can be endowed abundant design and color, builds the artistic atmosphere of tool.Meanwhile, there is the glaze for glazed tile of glaze paint, have good fire-proof and water-proof effect, use as building and ornament materials, not easily aging long service life.Glaze for glazed tile building decoration on market potential very huge.
In the making processes of ornamental porcelain brick, normally apply on the base substrate being pressed into base and after spraying one deck glaze slip, directly send into kiln and fire, as a kind of glaze for glazed tile with gold metal effect that patent CN101880178B records.The glazed ceramic brick product of device fabrication has more defect usually traditionally, as: quick-fried base, distortion, pin hole, pitted skin, glaze paint cracking, fixed orifices cracking.Its major cause be adobe when entering kiln moisture excessive, and after entering kiln, temperature sharply rises, and has little time to discharge moisture to fire with regard to Jin Liao factory, directly affects the quality of product.
Summary of the invention
In order to overcome the deficiencies in the prior art, the glazed ceramic brick production technique that the object of the present invention is to provide a kind of yield rate higher and production system thereof.
For solving the problem, the technical solution adopted in the present invention is as follows:
A kind of glazed ceramic brick production technique, is characterized in that, comprise the following steps:
1) slurrying: raw mineral materials is added ball mill, adds water and makes mud;
2) spraying dry: particulate state powder is made in the spray-dried tower drying of mud;
3) compression moulding: powder, through mould compression moulding, obtains molding blank;
4) dry: to heat up from 70-80 DEG C to 300-320 DEG C staged in molding blank drying kiln dry, naturally cool to 70-80 DEG C;
5) glazing: the billet surface after naturally cooling sprays one deck glaze slip equably;
6) secondary drying: by after glazing base substrate dry to moisture content be 0.3%-0.4%;
7) base substrate is fired: base substrate is fired into finished product through smoke evacuation section, oxidation panel, the section of burning till, quench zone and slow cooling section in kiln.
As preferably, step 1) in the water content control of mud be 30-40%.
As preferably, step 2) in the water content control of particulate state powder be 7-9%.
As preferably, step 5) in after glazing moisture controlled be 0.8%-1.0%.
As preferably, step 6) in the drying temperature of secondary drying kiln control as 200-250 DEG C.
As preferably, step 7) in base substrate in smoke evacuation section, in 4.0-4.5min, be slowly heated to 420-430 DEG C from 200-210 DEG C.
As preferably, step 7) in base substrate burn till with 1180-1192 DEG C in the section of burning till.
As preferably, step 7) in the base substrate that burns till in 1-2min, be cooled to 580-650 DEG C through quench zone rapidly, then in 6-7min, be cooled to 150-170 DEG C through slow cooling section.
Be applicable to a production system for above-mentioned glazed ceramic brick production technique, it is characterized in that, comprise connect successively enter brick platform, glazing line, secondary drying kiln, sun deck, kiln;
Described kiln comprise connect successively smoke evacuation section, oxidation panel, the section of burning till, quench zone, slow cooling section.
As preferably, the thermal source of described secondary drying kiln is from the cooling residual heat of quench zone and slow cooling section; The steam of described secondary drying kiln is taken away by smoke evacuation section.
Compared to existing technology, beneficial effect of the present invention is:
1. the invention provides a kind of glazed ceramic brick production technique and production system thereof, this glazed ceramic brick production technique carries out secondary drying to base substrate after glazing, effectively reduce the product problems such as the quick-fried base of product and crackle, improve the yield rate of glazed ceramic brick, adopt technique provided by the invention, yield rate can be increased to 97-98% from 85-90% in the past;
2. glazed ceramic brick production system of the present invention adds a secondary drying kiln and a sun deck between glazing line and kiln, the thermal source of secondary drying kiln comes from the waste heat of kiln quench zone and slow cooling section, steam in secondary drying kiln is extracted out by the smoke evacuation section of kiln, this sun deck has cut off temperature between secondary drying kiln and smoke evacuation section and has contacted, and contributes to the discharge of secondary drying kiln steam simultaneously.This production system improves the yield rate of glazed ceramic brick, reduces energy consumption.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 glazed ceramic brick of the present invention production system schematic diagram.
Embodiment
The invention provides a kind of glazed ceramic brick production technique, comprise the following steps:
1) slurrying: raw mineral materials is added ball mill, adds water and makes mud;
2) spraying dry: particulate state powder is made in the spray-dried tower drying of mud;
3) compression moulding: powder, through mould compression moulding, obtains molding blank;
4) dry: to heat up from 70-80 DEG C to 300-320 DEG C staged in molding blank drying kiln dry, naturally cool to 70-80 DEG C;
5) glazing: billet surface after the cooling period sprays one deck glaze slip equably;
6) secondary drying: the base substrate after glazing is dried to 0.3%-0.4%;
7) base substrate is fired: base substrate is fired into finished product through smoke evacuation section, oxidation panel, the section of burning till, quench zone and slow cooling section successively in kiln.
Glazed ceramic brick production technique provided by the invention, after glazing, redrying is carried out to base substrate, moisture content is made to be down to 0.3%-0.4%, the moisture that this process increases when effectively reducing glazing is on the impact formed by a firing of base substrate, and the phenomenons such as cracking, pitted skin, pin hole not easily appear in the product surface after firing.
In base substrate after secondary drying, the content of moisture is more even, and the phenomenons such as distortion, fixed orifices cracking not easily appear in the product formed by a firing.
Base substrate is fired into finished product through smoke evacuation section, oxidation panel, the section of burning till, quench zone and slow cooling section successively in kiln, and base substrate heats up equably in smoke evacuation section, the extraction such as moisture, flue gas, waste gas of smoke evacuation section; Base substrate is in oxidation panel preheating oxidation, and the oxidation of organic compounds in base substrate, through oxygenizement oxidation charing, decreases base substrate organic impurities in sintering process and produces CO
2and H
2o, thus cause the problems such as base substrate bubble, this process also efficiently reduces base substrate because of moisture distribution is uneven or material nonuniform heating causes crackle and distortion.The base substrate burnt till is cooled to 580-650 DEG C rapidly at quench zone, then slowly cools to 150-170 DEG C through slow cooling section, decreases the distortion probability of base substrate in process of cooling.
As shown in Figure 1, a kind of glazed ceramic brick production system being applicable to above-mentioned glazed ceramic brick production technique, is characterized in that, comprise connect successively enter brick platform, glazing line, secondary drying kiln, sun deck, kiln;
Described kiln comprise connect successively smoke evacuation section, oxidation panel, the section of burning till, quench zone, slow cooling section.
The thermal source of above-mentioned secondary drying kiln is from the cooling residual heat of quench zone and slow cooling section; The steam of secondary drying kiln is taken away through smoke evacuation section.
Below by way of specific embodiment, the invention will be further described.
embodiment 1:
A kind of glazed ceramic brick production technique, comprises the following steps:
1) slurrying: raw mineral materials is added ball mill, adds water and makes mud, and after making mud, moisture is 30-35%;
2) spraying dry: it is 7% that the spray-dried tower of mud is dried to moisture, makes particulate state powder;
3) compression moulding: powder, through mould compression moulding, obtains molding blank;
It is 4) dry: in molding blank drying kiln, after 70 DEG C to 320 DEG C staged intensification dryings, to naturally cool to 70-80 DEG C,
Wherein ladder-elevating temperature program is: in 0-10min, is warming up to 150 DEG C equably by 70 DEG C; In 10-15min, be warming up to 250 DEG C, in 15-25min by 150 DEG C equably, be warming up to 320 DEG C, in 25-30min by 250 DEG C equably, keep temperature to be 320 DEG C.
5) glazing: the billet surface after naturally cooling sprays one deck glaze slip equably, after glazing, base substrate moisture content is 0.8%-1.0%;
6) secondary drying: dry the base substrate after glazing to 0.3%-0.4%, secondary drying temperature is 200-210 DEG C, and drying time is 4min;
7) base substrate is fired: base substrate is fired into finished product through smoke evacuation section, oxidation panel, the section of burning till, quench zone and slow cooling section in kiln; Section of wherein discharging fume slowly is heated to 430 DEG C from 210 DEG C in 4.0-4.5min, and base substrate is after smoke evacuation section, and moisture content is down to less than 0.1%; Through the base substrate that smoke evacuation section heats up, in oxidation panel, in 10min, be at the uniform velocity warming up to 1080-1140 DEG C; Base substrate is with 1180-1192 DEG C of calcining 12min in the section of burning till, and the base substrate burnt till is cooled to 580-620 DEG C through quench zone rapidly in 2min, then in 6min, is cooled to 170 DEG C through slow cooling section.
embodiment 2:
A kind of glazed ceramic brick production technique, comprises the following steps:
1) slurrying: raw mineral materials is added ball mill, adds water and makes mud, and after making mud, moisture is 35-40%;
2) spraying dry: it is 9% that the spray-dried tower of mud is dried to moisture, makes particulate state powder;
3) compression moulding: powder, through mould compression moulding, obtains molding blank;
It is 4) dry: in molding blank drying kiln, after 80 DEG C to 300 DEG C staged intensification dryings, to naturally cool to 70-80 DEG C,
Wherein ladder-elevating temperature program is: in 0-10min, is warming up to 150 DEG C equably by 80; In 10-15min, be warming up to 250 DEG C, in 15-25min by 150 DEG C equably, be warming up to 300 DEG C, in 25-30min by 250 DEG C equably, keep temperature to be 300 DEG C;
5) glazing: the billet surface after naturally cooling sprays one deck glaze slip equably, after glazing, base substrate moisture content is 0.8%-1.0%;
6) secondary drying: dry the base substrate after glazing to 0.3%-0.4%, secondary drying temperature is 240-250 DEG C, and drying time is 5min;
7) base substrate is fired: base substrate is fired into finished product through smoke evacuation section, oxidation panel, the section of burning till, quench zone and slow cooling section in kiln; Wherein in smoke evacuation section, base substrate is slowly heated to 420 DEG C from 200 DEG C in 4.0-4.5min, and base substrate is after smoke evacuation section, and moisture content is down to less than 0.1%; Through the base substrate that smoke evacuation section heats up, in oxidation panel, in 10min, be at the uniform velocity warming up to 1080-1140 DEG C; Base substrate is with 1180-1192 DEG C of calcining 11min in the section of burning till, and the base substrate burnt till is cooled to 600-650 DEG C through quench zone rapidly in 2min, then in 6min, is cooled to 150 DEG C through slow cooling section.
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present invention all belong to the present invention's scope required for protection.
Claims (10)
1. a glazed ceramic brick production technique, is characterized in that, comprises the following steps:
1) slurrying: raw mineral materials is added ball mill, adds water and makes mud;
2) spraying dry: particulate state powder is made in the spray-dried tower drying of mud;
3) compression moulding: powder, through mould compression moulding, obtains molding blank;
4) dry: to heat up from 70-80 DEG C to 300-320 DEG C staged in molding blank drying kiln dry, naturally cool to 70-80 DEG C;
5) glazing: the billet surface after naturally cooling sprays one deck glaze slip equably;
6) secondary drying: by after glazing base substrate dry to moisture content be 0.3%-0.4%;
7) base substrate is fired: base substrate is fired into finished product through smoke evacuation section, oxidation panel, the section of burning till, quench zone and slow cooling section successively in kiln.
2. glazed ceramic brick production technique as claimed in claim 1, is characterized in that, step 1) in the water content control of mud be 30-40%.
3. glazed ceramic brick production technique as claimed in claim 1, is characterized in that, step 2) in the water content control of particulate state powder be 7%-9%.
4. glazed ceramic brick production technique as claimed in claim 1, is characterized in that, step 5) in after glazing moisture controlled be 0.8%-1.0%.
5. glazed ceramic brick production technique as claimed in claim 1, is characterized in that, step 6) in the drying temperature of secondary drying kiln control as 200-250 DEG C.
6. glazed ceramic brick production technique as claimed in claim 1, is characterized in that, step 7) in base substrate in smoke evacuation section, in 4.0-4.5min, be slowly heated to 420-430 DEG C from 200-210 DEG C.
7. glazed ceramic brick production technique as claimed in claim 1, is characterized in that, step 7) in base substrate burn till with 1180-1192 DEG C in the section of burning till.
8. glazed ceramic brick production technique as claimed in claim 1, is characterized in that, step 7) in the base substrate that burns till in 1-2min, be cooled to 580-650 DEG C through quench zone rapidly, then in 6-7min, be cooled to 150-170 DEG C through slow cooling section.
9. be applicable to a production system for glazed ceramic brick production technique according to claim 1, it is characterized in that, comprise connect successively enter brick platform, glazing line, secondary drying kiln, sun deck, kiln;
Described kiln comprise connect successively smoke evacuation section, oxidation panel, the section of burning till, quench zone, slow cooling section.
10. production system as claimed in claim 9, is characterized in that: the thermal source of described secondary drying kiln is from the cooling residual heat of quench zone and slow cooling section; The steam of described secondary drying kiln is taken away by smoke evacuation section.
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Cited By (6)
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| CN110041103A (en) * | 2019-04-28 | 2019-07-23 | 东莞市唯美陶瓷工业园有限公司 | A kind of process improving Ceramic Tiles glaze surface evenness |
| CN111975612A (en) * | 2020-09-10 | 2020-11-24 | 李兵 | Porous irregular special-shaped processing equipment for red brick |
| CN113733305A (en) * | 2021-09-26 | 2021-12-03 | 孙辉东 | Preparation system of ceramic glazed tile for pseudo-classic architecture |
| CN115010475A (en) * | 2022-04-12 | 2022-09-06 | 肇庆乐华陶瓷洁具有限公司 | Stoneware ceramic medium plate and firing method thereof |
| CN115246735A (en) * | 2022-08-01 | 2022-10-28 | 河北浩锐陶瓷制品有限公司 | Production process of energy-saving environment-friendly ceramic tile |
| CN115890893A (en) * | 2021-09-30 | 2023-04-04 | 北京喜诺德科技有限公司 | Method and device for preparing ceramic tile by dry milling |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041103A (en) * | 2019-04-28 | 2019-07-23 | 东莞市唯美陶瓷工业园有限公司 | A kind of process improving Ceramic Tiles glaze surface evenness |
| CN111975612A (en) * | 2020-09-10 | 2020-11-24 | 李兵 | Porous irregular special-shaped processing equipment for red brick |
| CN111975612B (en) * | 2020-09-10 | 2021-12-28 | 枞阳县横生新型建材有限公司 | Porous irregular special-shaped processing equipment for red brick |
| CN113733305A (en) * | 2021-09-26 | 2021-12-03 | 孙辉东 | Preparation system of ceramic glazed tile for pseudo-classic architecture |
| CN115890893A (en) * | 2021-09-30 | 2023-04-04 | 北京喜诺德科技有限公司 | Method and device for preparing ceramic tile by dry milling |
| CN115890893B (en) * | 2021-09-30 | 2023-11-24 | 北京喜诺德科技有限公司 | Method and device for preparing ceramic tile by dry powder process |
| CN115010475A (en) * | 2022-04-12 | 2022-09-06 | 肇庆乐华陶瓷洁具有限公司 | Stoneware ceramic medium plate and firing method thereof |
| CN115246735A (en) * | 2022-08-01 | 2022-10-28 | 河北浩锐陶瓷制品有限公司 | Production process of energy-saving environment-friendly ceramic tile |
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| CN104649680B (en) | 2017-08-04 |
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Effective date of registration: 20190821 Address after: 755000 Changle Town Industrial Park, Shapotou District, Zhongwei City, Ningxia Hui Autonomous Region Patentee after: Ningxia Kehao Ceramic Technology Co., Ltd. Address before: 755000 Ningxia Kehao Ceramics Co., Ltd. Changle Ceramic Industrial Park, Shapotou District, Zhongwei City, Ningxia Hui Autonomous Region Patentee before: NINGXIA KEHAO CERAMIC CO., LTD. |