CN106517998A - Purple-clay red mud processing and sintering method with natural pottery clay as raw material - Google Patents
Purple-clay red mud processing and sintering method with natural pottery clay as raw material Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Abstract
The invention relates to a purple-clay red mud processing and sintering method with natural pottery clay as a raw material, comprising the following steps: Step 1, selecting earthy-nodular pottery clay composed of 45-60wt% of SiO2, 15-23wt% of Al2O3, 17-23wt% of Fe2O3, 1-4wt% of K2O and CaO being less than 1wt%; Step 2 and Step 3, crushing materials and sieving through a standard sieve of corresponding granularity; Step 4, carrying out magnetic separation to remove mechanical iron and granulated iron ore; Step 5, respectively adding 3-8wt% of kaolin; Step 6, respectively adding 16-20wt% of water to wet the materials and fully and uniformly stirring; Step 7, carrying out vacuum pugging, sealing and ageing for more than 30 days; Step 8 and Step 9, making a vessel and drying; and Step 10, sintering the vessel according to an optimization process so as to obtain a red-mud purple-clay product. The method has an obvious effect, has good safety, has simple process, is easy for promotion, has wide range of application, and has remarkable economic and social benefits.
Description
First, technical field
A kind of the present invention relates to purple sand pug processing and fabricating field, more particularly to boccaro red soil with natural potter's clay as raw material
Processing and fabricating.
2nd, background technology
Zisha earthenware, abbreviation boccaro are the class ceramic products with Chinese tradition characteristic, are write with yixing purple sand the most especially
Name.Boccaro integrates practicality, feature, sight, artistry and collection, is loved by the people.In recent years, with tea
The continuous development of culture, the continuous expansion that boccaro is used, and the continuous lifting of boccaro collection, purple-clay product especially dark-red enameled pottery
It is more and more of interest by common people.
Boccaro is fired by purple sand pug and is formed, and purple sand pug is then processed by boccaro ore deposit.The generation of yixing purple sand and
Development basic reason is to possess advantageous boccaro mineral resources condition：Huanglong Mountain in boccaro concentration of production area Ding Shu towns etc.
Ground, abounds with the very excellent boccaro raw mineral materials of processing performance.Locals is by all boccaros for originating from Yixing Ding Shu towns Huanglong Mountain
Ore deposit is referred to as " this mountain " mineral aggregate.According to the purple-clay product feature of yixing purple sand pug and its firing, yixing purple sand pug can be divided into purple
4 types such as mud, green mud, red soil and group's mud, the purple-clay product fired by them are purple mud boccaro, green mud boccaro, red soil respectively
Boccaro and group's mud boccaro, are referred to as boccaro.
(1) purple mud：Because raw ore is in aubergine, the purple-clay product of firing is in royal purple and gains the name.Purple mud iron-holder between
Between green mud and red soil, plasticity is good, and moulded pottery not yet put in a kiln to bake intensity is high, burns till and shrinks little, with excellent processing performance, is that yixing purple sand makes
The maximum purple sand pug of consumption.Purple mud raw ore belongs to argillaceous siltstoue, massive structure, and principal item has blue or green kerve, day blue mud and clear
The kinds such as cement.
(2) green mud：Because raw ore iron-holder it is relatively low, and based on ferrous iron, just the raw ore of exploitation often in the depth not
One green and gain the name, and because fire purple-clay product in sand sense ecru or bluish yellow color, also known as pear skin mud.Green mud is former
Ore deposit belongs to silty, and massive structure is typically originated from purple interburden layer, therefore and have the title of " mud in mud ", with this mountain green mud most
For famous.
(3) red soil：Because raw ore iron-holder it is of a relatively high, the purple-clay product of firing often take on a red color or kermesinus and gain the name.
Red soil has two kinds of boccaro red soil and Zhu's mud.Boccaro red soil is argillaceous siltstoue, and every processing performance is identical with common purple mud,
Raw ore mainly takes on a red color or yellow, massive structure, only originates in Yixing Ding Shu towns Huanglong Mountain at present, has big red soil (clovershrub), red
Pi Long, descending grade red soil etc. segment kind.Zhu's mud is clayey mud stone, and, generally in yellow, massive structure is homogeneous thin for raw ore
It is greasy, easily twist into pieces, one band of main Chan Zhao Zhuan Sha mountains and Hong Wei Fragrance Hill, plasticity are good, can make extremely exquisite thin thin moulding,
But it is very big to be dried and burn till contraction, and firing temperature is low, can only typically make less works.Because of iron-holder difference, after burning till
It is in mainly the colors such as Vermilion, crabapple red, cinnabar purple.
(4) roll into a ball mud：Non- single variety mineral aggregate, but two kinds and two or more mineral aggregate symbiosis are formed.Group's mud is usually purple mud
With green mud symbiosis product, it is partially green mud and red soil symbiosis, seldom sees purple mud and red soil symbiosis.Yixing dialect " is rolled into a ball ", " satin "
Unisonance, and often in various yellow satin tones after most of group's cement mineral material burns till, therefore the local custom in Yixing claims " satin mud ".Group mud because
Symbiosis mineral aggregate species it is different with ratio and present than more rich color.
In addition, Yixing also produces the tender mud ore deposit with plasticization and the red, orpiment of stone etc. with toning effect is natural auxiliary
Raw mineral materials is helped, makes yixing purple sand ore deposit kind and color more diversified, this exactly Yixing produces the origin of boccaro " five color soil ",
Also exactly yixing purple sand product especially the colourful basic reason of dark-red enameled pottery is located.But, as yixing purple sand mineral are provided
The long-term scale exploitation in source and red stoneware product demand constantly increase, and especially local government prohibits and adopts restriction, for purple sand pug plus
The yixing purple sand ore deposit that work makes is day by day short, and the survival and development of boccaro industry are faced with huge challenge.
Make us extremely worrying, so far, the open report of China's purple sand pug processing and fabricating technological achievement is less,
The groundwork of forefathers is as follows：
CN 1035535612A disclose a kind of preparation method of black purple sand pug, it is characterized in that using silica percentage
(inventor notes content 30%～40%, aluminium dioxide：There is no " aluminium dioxide ", it may be that " aluminum oxide " or " alundum (Al2O3) ")
(inventor notes percentage composition 10%～15%, ferrous oxide：There is no " ferrous oxide ", it may be that " iron oxide " or " three oxidations two
Iron ") Purple Shale of percentage composition 30%～40% is raw material, and weathering, cure, crush and screen, dispensing being pressed into bar
Etc. technique, black purple sand pug is prepared.
CN 104129974A disclose a kind of steel gray section of purple clay and its method for cooking, it is characterized in that using Yixing
Several boccaro ore deposits be raw material, by optimizing pug group full formula, make a kind of steel gray section of purple clay of " lost ", its pug is matched somebody with somebody
Fang Shi：Purple mud 20%～40%, sesame section mud 20%～40%, blue sky mud 5%～30%.
CN 104387018A disclose a kind of freehand brushwork in traditional Chinese painting and twist tire purple clay preparation method, it is characterized in that using Yixing
Several boccaro ore deposits be raw material, and by carrying out formulated by different proportion, make purple-clay product and there is Chinese freehand brushwork in traditional Chinese painting
The purple sand pug of picture effect.
Potter's clay is the raw material for producing the various pots and pans potteries such as wine jar, pickle jar.China's potter's clay mineral resources enrich, point
Cloth is also than wide.If resourceful potter's clay can be adopted for raw material, the new purple sand pug of processing and fabricating, to China's boccaro industry
Sustainable development it is significant.But, understand from described above and literature search result, so far, also do not have with
Natural potter's clay is raw material, and the technological achievement of processing and fabricating boccaro red soil is reported.
Red soil is one of very important purple sand pug of yixing purple sand, and mineral resources are the most rare.The purpose of the present invention is,
Research is a kind of to be distributed relatively more extensive natural potter's clay as raw material with China, without any industrial chemicals and artificial color, processing
New boccaro red soil, and according to the ceramic process performance and feature of the boccaro red soil, fire red soil purple-clay product.
3rd, the content of the invention
Compared with purple sand pug, potter's clay has the advantages that plasticity is good, moulded pottery not yet put in a kiln to bake intensity is higher, but its shortcoming for projecting is to burn
Into shrink it is big, be easily deformed, thus be not suitable for use in purple sand pug；Simultaneously as the composition structure of potter's clay is present with boccaro ore deposit
Different, the characteristics of its method for cooking also has oneself.Therefore, how to overcome the defect of potter's clay, and optimized according to potter's clay feature
Method for cooking, becomes the key that can potter's clay be used as purple sand pug.For this purpose, present invention employs following technical scheme.
3.1 test specimens and calcining system
Test specimen adopts natural potter's clay ore deposit, and raw ore earthy-agglomerate columnar structure, chemical composition are w (SiO2) 45%～
60%, w (Al2O3) 15%～23%, w (Fe2O3) 17%～23%, w (K2O) 1%～4%, w (CaO)<1%.Red soil raw ore
Al2O3Significantly lower than purple mud, and Fe2O3Then it is much higher than purple mud, declines red soil plasticity.It is not enough in order to make up this, adopt
Additional granularity<The w (kaolin) 3%～8% of 200 mesh is adjusted.
Described kaolin is a kind of natural industrial raw mineral materials, and its crystal-chemical formula is Al4(Si4O10)(OH)8, it is theoretical
Chemical composition is w (Al2O3) 39.5%, w (SiO2) 46.54%, w (H2O) 13.96%.
Crush after potter's clay ore deposit is spontaneously dried, then the granule size according to experimental design, material is all passed through respectively
The standard screen of corresponding granularity, it is -20 mesh, -40 mesh, -60 mesh, -80 mesh, the granular material of -100 mesh to respectively obtain granule size.
Remove machinery iron and the iron ores particle in material of different grain size using magnetic plant respectively.
Screening materials carrying is processed into into the mud cake that diameter is about 50mm, is made pottery for loss on ignition, shrinkage factor, water absorption rate and color etc.
The detection of porcelain processing performance.Then mud cake sample is spontaneously dried, or (80 DEG C～105 DEG C of drying temperature is done using oven drying
The 24 hours dry time).
It is 1050 DEG C～1300 DEG C to fire test temperature scope, and as a example by 1175 DEG C, calcining system is following (Fig. 1)：
(1) heating-up time of room temperature～200 DEG C is 1 hour, and heating rate is 3 DEG C/min, to remove sample Minerals
Absorption water and intermediary water；
(2) 200 DEG C～400 DEG C of heating-up time is 0.5 hour, and heating rate is 7 DEG C/min；
(3) 400 DEG C～600 DEG C of heating-up time is 1.5 hours, and heating rate is 2 DEG C/min, except the knot of sample Minerals
Structure water；
(4) 600 DEG C～1175 DEG C of heating-up time is 1 hour, and heating rate is 10 DEG C/min；
(5) 1175 DEG C of constant temperature 1 hour, to sample color it is uniform after, naturally cool to room temperature.
3.2 boccaro green mud processing methods
The potter's clay pug of traditional pottery is processed using Whote-wet method, i.e.,：Potter's clay wet-milling wet screening press filtration pugging is old
It is rotten.The distinguishing feature of the method processing potter's clay pug is that pug granularity is very thin, and generally less than 200 mesh, its protrusion have the disadvantage pottery
Product lacks the internal features such as external appearance characteristic and crumb structure such as the distinctive sand sense of boccaro, and burns till contraction greatly, is easily deformed,
It is difficult to make the exquisiteness product such as boccaro side's device and dark-red enameled pottery, the various pots and pans potteries such as making wine jar, pickle jar can only be produced
Product.
For this purpose, the potter's clay pug of the present invention adopts dry method+wet processing, i.e.,：Potter's clay is dried dry broken dry screen profit
Wet stirring pugging is old.Compared with the potter's clay pug of conventional method processing, the pug of the inventive method processing burns till receipts
Shrinkage is significantly reduced；With the reduction of granularity, contraction is burnt till in gradually increase tendency, even if being that granularity is -100 mesh, its burning
The firing requirement of purple sand pug is also complied with into contraction.Therefore, the present invention process respectively -20 mesh, -40 mesh, -60 mesh, -80 mesh, -
The pug percent of firing shrinkage of 100 mesh all meets the making requirement of purple sand pug.
Further result of the test shows, the purple sand pug of the inventive method processing, and as granularity increases, contraction distortion becomes
It is few, stability increase is burnt till, the sand sense of purple-clay product outward appearance strengthens, but plasticity has also declined therewith.Conversely, with granularity
Reduce, contraction distortion becomes big, burn till stability reduction, the more gentle exquisiteness of purple-clay product outward appearance.So, should be according to boccaro system
The size of product and needs, reasonable selection crush the size of processing granularity, i.e.,：If making type is larger or deforms the boccaro of very little
Product, can select -20 mesh of mesh～-40；If making the less purple-clay product of type, -60 mesh of mesh～-100 are can select.
The firing temperature of 3.3 boccaro red soil
The composition structures shape ceramic process performance of ceramic raw material.And in the case where ceramic raw material is certain, ceramic process
Performance is then decided by burning process method.The ceramic process performance such as loss on ignition, shrinkage factor, water absorption rate and color is to determine purple sand ceramics
The important technology index of device quality, can provide scientific basis for the optimization of the firing temperature of potter's clay purple sand pug.Table 1 is the present invention
Testing result (%) of the potter's clay boccaro red soil (- 60 mesh) of processing in 1050 DEG C～1300 DEG C of different temperatures firing samples, can be with
Find out：
(1) loss on ignition：Potter's clay boccaro red soil sample is little in 1050 DEG C～1300 DEG C of loss on ignition change, is up to 1300
DEG C when 4.48%, 4.30% when minimum 1050 DEG C, average out to 4.38% are similar to yixing purple sand pug, meet boccaro
Pottery quality and firing are required.
(2) shrinkage factor：Potter's clay boccaro red soil sample is respectively 1.10% He from 1050 DEG C of linear shrinkage and volume contraction
2.17%, maximum is reached to shrinkage factor when 1200 DEG C, respectively 4.18% and 12.00%, then start expansion, try to 1250 DEG C
Sample drastically expands, and now linear shrinkage and volume contraction are respectively 2.19% and 1.18%.Figure it is seen that sample is 1050
DEG C～1200 DEG C of linear shrinkage ratio and cubical contraction all increase with the rising of temperature, 1200 DEG C～1300 DEG C base substrates are opened
Beginning gradually expands, and in the slow trend for increasing subsequently and slowly reducing, is parabola from the overall shrinkage factor curve for seeing sample, throws
The summit of thing line is at 1200 DEG C or so.Therefore, firing range can be defined as 1150 DEG C～1200 DEG C.
(3) water absorption rate：Potter's clay boccaro red soil sample is dropped with the rising of temperature in 1050 DEG C～1300 DEG C of water absorption rate
It is low, i.e., from 1050 DEG C when 10.12%, 2.80% when dropping to 1300 DEG C.There is certain water absorption rate to be that boccaro is different from porcelain
Key character.Therefore, firing range can be defined as 1175 DEG C～1200 DEG C.
1 potter's clay boccaro red soil different temperatures of table burns till the ceramic process performance test results (%) of sample
Note：- 60 mesh of pug granularity, constant temperature time 1h
The color control of 3.4 red soil boccaros
Purple sand pug can be presented various colors due to the difference of iron-holder, after burning till, and such as purple mud burns till latter
As be in grey violet～darkviolet, green mud burn till it is latter as in ecru, red soil burn till after in brick-red or vermilion or kermesinus.And
And same pug is burnt till in different temperature, the color of boccaro also can be different.
Fig. 3 is the color that potter's clay boccaro red soil different temperatures burns till sample.In order to more intuitively with data embodying boccaro
The change of rear color is burnt till, the test of colorimetric parameter has been carried out using III full-automatic whiteness instrument of WSD- to red soil boccaro, has as a result been seen
Table 2.
2 potter's clay boccaro red soil different temperatures of table burns till the chromatic value of sample
As seen from Figure 3, with temperature rising red soil boccaro color from light to dark, present brick-red～aubergine～
The change of kermesinus～taupe.The chromatic value that base substrate is burnt till from 2 different temperatures of table can be seen that the brightness value L* of sample and red
Angle value a* generally all reduces with the rising of temperature.Because increasing due to glass phase after burning, reflecting effect is strong, brightness value
Rise.Therefore, brick-red～bolarious red soil purple-clay product can be obtained as needed, under 1200 DEG C of temperature conditionss.
3.5 Optimizing Technicals and step
More than test show, with natural potter's clay as raw material, without any industrial chemicals and artificial color, using dry method+
Wet processing boccaro red soil, can solve potter's clay pug well and burn till and shrink prominent defect that is big, being easily deformed；Using excellent
Change burning process, the boccaro red soil can be fired into brick-red～bolarious red soil boccaro.So as to form one kind with natural pottery
Boccaro red soil processing and method for cooking of the soil for raw material, its processing are carried out by following 10 steps with burning process：
(1) potter's clay is chosen：Earthy-crumby natural potter's clay ore deposit is chosen, its chemical composition is w (SiO2) 45%～
60%, w (Al2O3) 15%～23%, w (Fe2O3) 17%～23%, w (K2O) 1%～4%, w (CaO)<1%；
(2) it is dried broken：After potter's clay is spontaneously dried, granular material is processed into by potter's clay broken using disintegrating apparatus；
(3) material screening：Using screening plant, by granular material respectively all by the standard screen of corresponding granularity, difference
It is sieved into -20 mesh, -40 mesh, -60 mesh, -80 mesh, the granular material of -100 mesh；
(4) iron removal by magnetic separation：Remove machinery iron and the iron ores particle in material of different grain size using magnetic plant respectively.
(5) material plasticising：In granular material after sieving, granularity is separately added into<The w (kaolin) 3% of 200 mesh～
8%, and be sufficiently mixed uniform；
(6) wetting stirring：Material after the wetting plasticising of w (water) 16%～20% is separately added into, while will be moistened with mixing plant
Wet rear material is stirred；
(7) pugging is old：Vacuum pugging is carried out to the material after wetting stirring using pug mill, material is sealed into old then
Corruption, old time >=30 day, that is, respectively obtain granule size be -20 mesh, -40 mesh, -60 mesh, -80 mesh, -100 mesh boccaro it is red
Mud；
(8) vessel make：According to size and the needs of purple-clay product, the boccaro red soil of corresponding granule size is selected respectively,
Make vessel；
(9) vessel are dried：The vessel for making are spontaneously dried, or adopts oven drying, 80 DEG C～105 DEG C of drying temperature,
24 hours drying times；
(10) boccaro is fired：Dried vessel are put in burning equipment, 1150 DEG C～1200 DEG C of firing temperature, are heated up
Speed is respectively：Room temperature～200 DEG C are 3 DEG C/min, and 200 DEG C～400 DEG C is 7 DEG C/min, and 400 DEG C～600 DEG C is 2 DEG C/min,
600 DEG C～firing temperature is 10 DEG C/min, then in firing temperature constant temperature 1 hour, to vessel color it is uniform after, naturally cool to
Room temperature, you can obtain brick-red～bolarious red soil purple-clay product.
3.6 technical advantage
The present invention with natural potter's clay as raw material, without any industrial chemicals and artificial color, using dry method+wet processing
Granule size is respectively -20 mesh, -40 mesh, -60 mesh, -80 mesh, the boccaro red soil of -100 mesh, is fired using optimize technique brick-red
～bolarious red soil boccaro, defines a kind of boccaro red soil processing with natural potter's clay as raw material and method for cooking.The present invention
Have the advantages that effect is obvious, security is good, process is simple, easy, of many uses popularization and application, remarkable economic and social benefits and
Advantage, is embodied in：
(1) effect is obvious.The present invention with natural potter's clay as raw material, without any industrial chemicals and artificial color, very well
Solve potter's clay pug and burn till and shrink prominent defect that is big, being easily deformed, process meet purple sand process requirement granularity it is big
It is little to be respectively -20 mesh, -40 mesh, -60 mesh, -80 mesh, the boccaro red soil of -100 mesh, and according to the pug feature, further fire
Go out brick-red～bolarious red soil purple-clay product.
(2) security is good.The present invention has the boccaro red soil of different grain size size using dry method+wet processing, using excellent
Chemical industry skill fires brick-red～bolarious red soil purple-clay product, without any industrial chemicals and artificial color, with safety
Reliability.
(3) process is simple.9 processing steps of the present invention are continuously good, simple to operate, and work is convenient.
(4) popularization and application are easy.Present invention process is simple, easy to operate, and easily study support is held and popularization and application.
(5) it is of many uses, remarkable economic and social benefits.Purple-clay product especially increasingly paid close attention to and liked by everybody by dark-red enameled pottery
Love, but the yixing purple sand ore deposit for purple sand pug processing and fabricating is day by day short, it has also become and the survival and development of boccaro industry need
Solve significant problem.Red soil is one of very important purple sand pug of yixing purple sand, and mineral resources are the most rare.If can be using money
The abundant potter's clay in source is raw material, without any industrial chemicals and artificial color, processing and fabricating boccaro green mud, China's boccaro is produced
The sustainable development of industry is significant.The present invention makes to be only used in the past to produce wine jar, the potter's clay of pickle jar and obtains efficiently
Utilize, new mineral resources are provided for China's boccaro industry development, have broad application prospects
Benefit.
4th, illustrate
Fig. 1：The calcining system schematic diagram of potter's clay purple sand pug；
Fig. 2：Potter's clay boccaro red soil different temperatures burns till the shrinkage factor curve of sample, -60 mesh of pug granularity, constant temperature time
1h；
Fig. 3：Potter's clay boccaro red soil different temperatures burns till the color of sample, and -60 mesh of pug granularity, diameter 50mm before burning are permanent
Warm time 1h；
Fig. 4：The XRD spectrum of potter's clay raw ore and red soil boccaro sample (1200 DEG C)；
Fig. 5：Monochromatic light (left side) polarisation (right side) microphotograph of red soil boccaro sample (1200 DEG C) thin slice.
5th, specific embodiment
Example 1：A kind of processing of boccaro red soil and method for cooking with natural potter's clay as raw material
This example with natural potter's clay as raw material, without any industrial chemicals and artificial color, using dry method+wet processing
Granule size is respectively -20 mesh, -40 mesh, -60 mesh, -80 mesh, the boccaro red soil of -100 mesh, fires red soil using optimize technique purple
Sand, its processing are carried out by following 10 steps with burning process：
(1) potter's clay is chosen：Earthy-crumby natural potter's clay ore deposit is chosen, its chemical composition is w (SiO2) 45%～
60%, w (Al2O3) 15%～23%, w (Fe2O3) 17%～23%, w (K2O) 1%～4%, w (CaO)<1%；
(2) it is dried broken：After potter's clay is spontaneously dried, granular material is processed into by potter's clay broken using disintegrating apparatus；
(3) material screening：Using screening plant, by granular material respectively all by the standard screen of corresponding granularity, difference
It is sieved into -20 mesh, -40 mesh, -60 mesh, -80 mesh, the granular material of -100 mesh；
(4) iron removal by magnetic separation：Remove machinery iron and the iron ores particle in material of different grain size using magnetic plant respectively.
(5) material plasticising：In granular material after sieving, granularity is separately added into<The w (kaolin) 3% of 200 mesh～
8%, and be sufficiently mixed uniform；
(6) wetting stirring：Material after the wetting plasticising of w (water) 16%～20% is separately added into, while will be moistened with mixing plant
Wet rear material is stirred；
(7) pugging is old：Vacuum pugging is carried out to the material after wetting stirring using pug mill, material is sealed into old then
Corruption, old time >=30 day, that is, respectively obtain granule size be -20 mesh, -40 mesh, -60 mesh, -80 mesh, -100 mesh boccaro it is red
Mud；
(8) vessel make：According to size and the needs of purple-clay product, the boccaro red soil of corresponding granule size is selected respectively,
Make vessel；
(9) vessel are dried：The vessel for making are spontaneously dried, or adopts oven drying, 80 DEG C～105 DEG C of drying temperature,
24 hours drying times；
(10) boccaro is fired：Dried vessel are put in burning equipment, 1150 DEG C～1200 DEG C of firing temperature, are heated up
Speed is respectively：Room temperature～200 DEG C are 3 DEG C/min, and 200 DEG C～400 DEG C is 7 DEG C/min, and 400 DEG C～600 DEG C is 2 DEG C/min,
600 DEG C～firing temperature is 10 DEG C/min, then in firing temperature constant temperature 1 hour, to vessel color it is uniform after, naturally cool to
Room temperature, you can obtain brick-red～bolarious red soil purple-clay product.
Find out that sample has the distinctive color of red soil boccaro and sand sense outward appearance from Fig. 3 (1200 DEG C, 1225 DEG C).
Knowable to loss on ignition, water absorption rate and shrinkage factor (table 3) and heat endurance (table 4) testing result from sample, this enforcement
The processing of example method and the quality and function admirable of the red soil boccaro fired, comply fully with national examination criteria.
The loss on ignition of 3 red soil boccaro sample of table, water absorption rate (w%) and shrinkage factor (%)
Note：- 60 mesh of red soil boccaro sample granularity, 1175 DEG C of firing temperature, constant temperature time 1h
The heat endurance of 4 red soil boccaro sample of table
Note：- 60 mesh of red soil boccaro sample granularity, 1175 DEG C of firing temperature, constant temperature time 1h
Fig. 4 is the XRD spectrum of this example potter's clay raw ore and red soil boccaro sample, it can be seen that the present embodiment method makes
Red soil boccaro (1200 DEG C) phase character it is same or similar with Yixing red soil boccaro.
Yixing purple sand is microstructural to be noteworthy characterized by with crumb structure.Fig. 5 is this example red soil boccaro sample (1200
DEG C) the petrographic microscope photograph of thin slice, it can be seen that the red soil boccaro that the present embodiment method makes is with identical with yixing purple sand
Or similar crumb structure.
Above testing result shows that this example is with natural potter's clay as Raw material processing and the red soil boccaro fired, its color sand
The features such as sense, ceramic performance and composition structure have all reached boccaro requirement.
Fund project：Project of national nature science fund project (41572038,50974025)；National public welfare industry scientific research is special
Item appropriation title problem (201011005-5)；Sichuan Department of Education of Shanxi Province subsidizes scientific research project (16TD0011,16ZA0081).
Claims (2)
1. it is a kind of with natural potter's clay as raw material boccaro red soil processing and method for cooking, with natural potter's clay as raw material, without appoint
What industrial chemicals and artificial color, using dry method+wet processing granule size be respectively -20 mesh, -40 mesh, -60 mesh, -80 mesh, -
The boccaro red soil of 100 mesh, fires red soil boccaro using optimize technique, and its processing is carried out by following 10 steps with burning process：
(1) potter's clay is chosen：Earthy-crumby natural potter's clay ore deposit is chosen, its chemical composition is w (SiO2) 45%～60%, w
(Al2O3) 15%～23%, w (Fe2O3) 17%～23%, w (K2O) 1%～4%, w (CaO)<1%；
(2) it is dried broken：After potter's clay is spontaneously dried, granular material is processed into by potter's clay broken using disintegrating apparatus；
(3) material screening：Using screening plant, by granular material respectively all by the standard screen of corresponding granularity, sieve respectively
Into -20 mesh, -40 mesh, -60 mesh, -80 mesh, -100 mesh granular material；
(4) iron removal by magnetic separation：Remove machinery iron and the iron ores particle in material of different grain size using magnetic plant respectively.
(5) material plasticising：In granular material after sieving, granularity is separately added into<The w (kaolin) 3%～8% of 200 mesh, and
It is sufficiently mixed uniform；
(6) wetting stirring：Material after the wetting plasticising of w (water) 16%～20% is separately added into, while after being soaked with mixing plant
Material is stirred；
(7) pugging is old：Vacuum pugging is carried out to the material after wetting stirring using pug mill, material is sealed into old then,
Old time >=30 day, that is, respectively obtain the boccaro red soil that granule size is -20 mesh, -40 mesh, -60 mesh, -80 mesh, -100 mesh；
(8) vessel make：According to size and the needs of purple-clay product, the boccaro red soil of corresponding granule size is selected respectively, make
Vessel；
(9) vessel are dried：The vessel for making are spontaneously dried, or adopts oven drying, 80 DEG C～105 DEG C of drying temperature is dried
24 hours time；
(10) boccaro is fired：Dried vessel are put in burning equipment, 1150 DEG C～1200 DEG C of firing temperature, heating rate
It is respectively：Room temperature～200 DEG C be 3 DEG C/min, 200 DEG C～400 DEG C be 7 DEG C/min, 400 DEG C～600 DEG C be 2 DEG C/min, 600 DEG C
～firing temperature is 10 DEG C/min, then in firing temperature constant temperature 1 hour, to vessel color it is uniform after, naturally cool to room temperature,
Brick-red～bolarious red soil purple-clay product can be obtained.
2. a kind of processing of boccaro red soil and method for cooking with natural potter's clay as raw material according to claim 1, its feature
It is：
Described kaolin is a kind of natural mineral raw, and its crystal-chemical formula is Al4(Si4O10)(OH)8, theoretical chemistry composition
It is w (Al2O3) 39.5%, w (SiO2) 46.54%, w (H2O) 13.96%.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107382296A (en) * | 2017-08-22 | 2017-11-24 | 邱莉 | For the preparation method of the composition and dark-red enameled container that make dark-red enameled container |
| CN107935554A (en) * | 2017-11-30 | 2018-04-20 | 喀左高品宝砂紫陶艺术研发有限公司 | A kind of production method of green grass or young crops section purple sand pug |
| CN110510994A (en) * | 2019-10-08 | 2019-11-29 | 安徽理工大学 | A kind of glossy property ceramics and preparation method thereof and application |
| CN111320457A (en) * | 2020-03-02 | 2020-06-23 | 宜兴市天恩陶舍紫砂文化有限公司 | Preparation method of pug for stone-yellow gold purple sand utensil for softening water quality and accelerating sobering-up |
| CN112592153A (en) * | 2020-12-15 | 2021-04-02 | 黄俊敏 | Formula and firing method of activated ceramic by utilizing siliceous sandstone mineral aggregate in Yunnan province |
| CN112824341A (en) * | 2019-11-20 | 2021-05-21 | 黄俊敏 | Formula and firing method for firing purple sand pottery by using Jiangchua siliceous sandstone |
| CN114409374A (en) * | 2022-02-23 | 2022-04-29 | 内蒙古布德民族文化发展有限责任公司 | Preparation method of red mud for ceramics preparation and firing method of red mud product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107382296A (en) * | 2017-08-22 | 2017-11-24 | 邱莉 | For the preparation method of the composition and dark-red enameled container that make dark-red enameled container |
| CN107935554A (en) * | 2017-11-30 | 2018-04-20 | 喀左高品宝砂紫陶艺术研发有限公司 | A kind of production method of green grass or young crops section purple sand pug |
| CN107935554B (en) * | 2017-11-30 | 2021-01-26 | 喀左高品宝砂紫陶艺术研发有限公司 | Manufacturing method of green-segment purple sand pug |
| CN110510994A (en) * | 2019-10-08 | 2019-11-29 | 安徽理工大学 | A kind of glossy property ceramics and preparation method thereof and application |
| CN112824341A (en) * | 2019-11-20 | 2021-05-21 | 黄俊敏 | Formula and firing method for firing purple sand pottery by using Jiangchua siliceous sandstone |
| CN111320457A (en) * | 2020-03-02 | 2020-06-23 | 宜兴市天恩陶舍紫砂文化有限公司 | Preparation method of pug for stone-yellow gold purple sand utensil for softening water quality and accelerating sobering-up |
| CN112592153A (en) * | 2020-12-15 | 2021-04-02 | 黄俊敏 | Formula and firing method of activated ceramic by utilizing siliceous sandstone mineral aggregate in Yunnan province |
| CN114409374A (en) * | 2022-02-23 | 2022-04-29 | 内蒙古布德民族文化发展有限责任公司 | Preparation method of red mud for ceramics preparation and firing method of red mud product |
| CN114409374B (en) * | 2022-02-23 | 2023-05-02 | 内蒙古布德民族文化发展有限责任公司 | Preparation method of red mud for ceramic preparation and firing method of red mud product |
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