CN106365594A - Processing and firing method of purple clay green mud with natural pottery clay as raw material - Google Patents
Processing and firing method of purple clay green mud with natural pottery clay as raw material Download PDFInfo
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- CN106365594A CN106365594A CN201610730042.XA CN201610730042A CN106365594A CN 106365594 A CN106365594 A CN 106365594A CN 201610730042 A CN201610730042 A CN 201610730042A CN 106365594 A CN106365594 A CN 106365594A
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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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- 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
- C04B33/10—Eliminating iron or lime
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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
- C04B33/32—Burning methods
Abstract
The invention relates to a processing and firing method of purple clay green mud with natural pottery clay as a raw material without addition of any chemical raw materials and artificial pigments. The method includes the steps of: 1) selecting earthy-block mass pottery clay, of which w(SiO2) is 50-70%, w(Al2O3) is 22-33%, w(Fe2O3) is 1-3%, w(K2O) is 1-4% and w(CaO) is less than 1%; 2) crushing the raw material; 3) sieving all of the crushed material through a standard sieve at corresponding mesh number; 4) removing mechanical iron and iron ore granules through magnetic separation; 5) adding 16-20% by weight of water to wet the material and completely stirring the materials uniformly; 6) performing vacuum pugging and performing sealed aging for more than 30 days; 7) and 8) manufacturing a vessel and drying the vessel; and 9) firing the vessel according to an optimized process to prepare a purple clay green mud product which has a slight-yellow to slight-yellow and green color. The method has significant effects, good safety and simple process, is easy to promote and has wide applications, and has significant economic and social benefits.
Description
First, technical field
The present invention relates to purple sand pug processing and fabricating field, more particularly, to a kind of boccaro green mud with natural potter's clay as raw material
Processing and fabricating.
2nd, background technology
Zisha earthenware, abbreviation boccaro, it is a class ceramic product with Chinese tradition characteristic, especially write the most with yixing purple sand
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 uses, and the continuous lifting of boccaro collection, purple-clay product especially dark-red enameled pottery
Increasingly it is subject to common people of interest.
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 have advantageous boccaro mineral resources condition: Huanglong Mountain in boccaro concentration of production area Ding Shu town etc.
Ground, abounds with the very excellent boccaro raw mineral materials of processing performance.Locals is by all boccaros originating from Yixing Ding Shu town Huanglong Mountain
Ore deposit is referred to as " this mountain " mineral aggregate.According to yixing purple sand pug and its purple-clay product feature fired, 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 is 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 fired 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, and it is little to burn till contraction, has 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 that kerve is blue or green, sky blue mud and clear
The kinds such as cement.
(2) green mud: because raw ore iron-holder is relatively low, and based on ferrous irons, the raw ore just exploited is often in the depth not
One green and gain the name, and because the purple-clay product fired is in ecru or the bluish yellow color with sand sense, also known as Pericarpium Pyri mud.Green mud is former
Ore deposit belongs to silty, massive structure, typically originates from purple interburden layer, therefore has the title of " mud in mud ", with this mountain green mud the most again
For famous.
(3) red soil: because raw ore iron-holder is of a relatively high, the purple-clay product fired often take on a red color or kermesinus and gain the name.
Red soil has boccaro red soil and two kinds of Zhu's mud.Boccaro red soil is argillaceous siltstoue, and every processing performance is identical with commonly purple mud,
Raw ore mainly takes on a red color or yellow, massive structure, only originates in Yixing Ding Shu town Huanglong Mountain at present, has big red soil (Radix Campylotropis Hirtella (Herba Myrsines Africanae)), red
Pi Long, descending grade red soil etc. segment kind.Zhu's mud is clayey mud stone, and raw ore is in generally yellow, and massive structure is homogeneous thin
Greasy, easily twist into pieces, main Chan Zhao Zhuan Sha mountain and Hong Wei Fragrance Hill one carry, and plasticity is good, extremely exquisite carefully thin moulding can be made,
But it is very big to be dried and burn till contraction, and firing temperature is low, typically can only make less works.Because iron-holder is different, after burning till
It is in mainly the color such as Vermilion, crabapple red, Cinnabaris purple.
(4) roll into a ball mud: non-single variety mineral aggregate, but two kinds and two or more mineral aggregate symbiosis form.Group's mud is usually purple mud
With green mud symbiosis product, it is partially green mud and red soil symbiosis, seldom see purple mud and red soil symbiosis.Yixing dialect " is rolled into a ball ", " satin "
Unisonance, and most of group after cement mineral material burns till is in often multiple Huang satin tones, therefore local custom title " satin mud " in Yixing.Group mud because
Symbiosis mineral aggregate species is different with ratio and presents than more rich color.
In addition, Yixing also produce the tender mud ore deposit with plasticization and have toning effect red, orpiment of stone etc. natural auxiliary
Help raw mineral materials, make yixing purple sand ore deposit kind and color more diversified, this exactly Yixing produces the origin of boccaro " five color soil ",
Also exactly the colourful basic reason of yixing purple sand product especially dark-red enameled pottery is located.But, with yixing purple sand mineral money
Source long-term scale exploitation 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 very worry, 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 discloses a kind of preparation method of black purple sand pug, it is characterized in that using silicon dioxide percentage
Content 30%～40%, aluminium dioxide (inventor's note: do not have " aluminium dioxide " it may be that " aluminium oxide " or " aluminium sesquioxide ")
Percentage composition 10%～15%, ferrous oxide (inventor's note: there is no " ferrous oxide " it may be that " ferrum oxide " or " three oxidation two
Ferrum ") Purple Shale of percentage composition 30%～40% is raw material, and air slaking, ripening, crush and screen, dispensing be pressed into bar
Etc. technique, prepare black purple sand pug.
Cn 104129974a discloses 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 joined
Fang Shi: purple mud 20%～40%, Semen Sesami section mud 20%～40%, blue sky mud 5%～30%.
Cn 104387018a discloses a kind of freehand brushwork in traditional Chinese painting and twists tire purple clay manufacture 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 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 can be raw material using resourceful potter's clay, the new purple sand pug of processing and fabricating, to China's boccaro industry
Sustainable development significant.But, understand from described above and literature search result, so far, also less than with
Natural potter's clay is raw material, the technological achievement report of processing and fabricating boccaro green mud.
Green mud is one of very important purple sand pug of yixing purple sand, and mineral resources are rare.The purpose of the present invention is to study
A kind of with China's distribution more natural potter's clay as raw material, without any industrial chemicals and artificial color, processing novel
Boccaro green mud, and the ceramic process performance according to this boccaro green mud and feature, fire green mud purple-clay product.
3rd, 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 prominent shortcoming is to burn
Become to shrink big, be easily deformed, thus be not suitable for use in purple sand pug；Simultaneously as the composition structure of potter's clay is existed with boccaro ore deposit
Different, its method for cooking also has the characteristics that 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 reason, 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 is in oyster, earthy-agglomerate columnar structure, and chemical composition is w
(sio2) 50%～70%, w (al2o3) 22%～33%, w (fe2o3) 1%～3%, w (k2O) 1%～4%, w (cao) < 1%.
Green mud raw ore al2o3Slightly above purple mud, fe2o3Then it is significantly lower than purple mud, the firing temperature of therefore green mud is necessarily higher than purple mud.
Broken 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, respectively obtain granule size be -20 mesh, -40 mesh, -60 mesh, -80 mesh, the granular material of -100 mesh.
Remove machinery iron and the iron ores particle in material of different grain size using magnetic plant respectively.
Screening materials carrying is processed into the mud cake that diameter is about 50mm, for the pottery such as loss on ignition, shrinkage factor, water absorption rate and color
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 dry 24 hours time).
Fire test temperature scope and be 1050 DEG C～1300 DEG C, taking 1175 DEG C as a example, 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 uniform after, naturally cool to room temperature.
3.2 boccaro green mud processing methods
The potter's clay pug of traditional pottery adopts Whote-wet method to process it may be assumed that potter's clay wet grinding wet screening filter pressing pugging is old
Rotten.The distinguishing feature that the method processes potter's clay pug is that pug granularity is very thin, generally less than 200 mesh, and its prominent shortcoming is pottery
Product lacks the internal features such as external appearance characteristic and crumb structure such as boccaro distinctive sand sense, 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 reason, the potter's clay pug of the present invention adopts dry method+wet processing it may be assumed that potter's clay is dried dry broken dry screen profit
Wet stirring pugging is old.Compared with the potter's clay pug of traditional method processing, the pug of the inventive method processing burns till receipts
Shrinkage significantly reduces；With the reduction of granularity, burn till contraction in being gradually increased trend, even if be granularity be -100 mesh, its burning
Become shrink also comply with purple sand pug fire requirement.Therefore, the present invention processes respectively -20 mesh, -40 mesh, -60 mesh, -80 mesh, -
The making that the pug percent of firing shrinkage of 100 mesh all meets purple sand pug requires.
Result of the test shows further, the purple sand pug of the inventive method processing, increases with granularity, contraction distortion becomes
Few, burning till stability increases, and 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 and reduce, the more gentle exquisiteness of purple-clay product outward appearance.So it should according to boccaro system
The size of product and needs, if reasonable selection crush processing granularity size it may be assumed that make type larger or deformation very little boccaro
Product, can be selected for -20 mesh～-40 mesh；If making the less purple-clay product of type, can be selected for -60 mesh～-100 mesh.
The firing temperature of 3.3 boccaro green muds
The composition structures shape ceramic process performance of Ceramic Material.And in the case that Ceramic 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
Processing potter's clay boccaro green mud (- 60 mesh) 1050 DEG C～1300 DEG C of different temperatures firing samples testing result (%), permissible
Find out:
(1) loss on ignition: potter's clay boccaro green mud sample changes less in 1050 DEG C～1300 DEG C of loss on ignition, is up to 1300
DEG C when 5.57%, 4.77% when minimum 1050 DEG C, average out to 5.21%, similar to yixing purple sand pug, meet boccaro
Pottery quality and fire requirement.
(2) shrinkage factor: potter's clay boccaro green mud sample is respectively 0.90% He from 1050 DEG C of linear shrinkage and volume contraction
1.78%, reach maximum to shrinkage factor when 1250 DEG C, respectively 4.48% and 12.60%, then start to expand, try to 1300 DEG C
Sample drastically expands, and now linear shrinkage and volume contraction are respectively 3.98% and 4.70%.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～1250 DEG C base substrates start
Gradually expand, be parabola from the overall shrinkage factor curve seeing sample, parabolical summit is at 1250 DEG C about.Firing temperature is relatively
High main cause is, al in pug2o3Content is higher.Therefore, firing range can be defined as 1175 DEG C～1225 DEG C.
(3) water absorption rate: potter's clay boccaro green mud sample drops with the rising of temperature in 1050 DEG C～1300 DEG C of water absorption rate
Low, that is, 9.17% when 1050 DEG C, drops to 0.89% when 1300 DEG C.Certain water absorption rate is had to be that boccaro is different from porcelain
Key character.Therefore, firing range can be defined as 1175 DEG C～1225 DEG C.
Table 1 potter's clay boccaro green mud different temperatures burns till the ceramic process performance test results (%) of sample
Note: pug granularity -60 mesh, constant temperature time 1h
The color of 3.4 green mud boccaros controls
Purple sand pug, due to the difference of iron-holder, can assume various colors after burning till, and such as purple mud burns till rear one
As be in grey violet～darkviolet, green mud after burning till general in ecru, red soil burn till after be in brick-red or vermilion or kermesinus.And
And same pug burns till in different temperature, the color of boccaro also can be different.
Fig. 3 is the color that potter's clay boccaro green mud different temperatures burns till sample.In order to more intuitively embody boccaro with data
Burn till the change of rear color, the test of colorimetric parameter has been carried out using wsd- full-automatic whiteness instrument to green mud boccaro, result is shown in
Table 2.
Table 2 potter's clay boccaro green mud different temperatures burns till the chromatic value of sample
As seen from Figure 3, with the rising of temperature, potter's clay green mud boccaro color from light to dark, presents light yellow～yellow
Color～oyster～jade-green change.The chromatic value burning till base substrate from table 2 different temperatures can be seen that the brightness value of base substrate
L* and yellow value degree b* generally reduces with the rising of temperature.Therefore, can as needed, under 1225 DEG C of temperature conditionss,
Obtain the green mud purple-clay product of light yellow～oyster.
3.5 Optimizing Technicals and step
Above test shows, with natural potter's clay as raw material, without any industrial chemicals and artificial color, using dry method+
Wet processing potter's clay pug, 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, can be by the green mud boccaro of the light yellow～oyster of pug fired for this potter's clay one-tenth.Thus, form one kind with natural
Potter's clay is the processing of boccaro green mud and the method for cooking of raw material, and its processing and burning process are carried out by following 9 steps:
(1) potter's clay is chosen: chooses earthy-crumby natural potter's clay ore deposit, its chemical composition is w (sio2) 50%～
70%, w (al2o3) 22%～33%, w (fe2o3) 1%～3%, w (k2O) 1%～4%, w (cao) < 1%；
(2) it is dried and crushes: after potter's clay is spontaneously dried, using disintegrating apparatus, potter's clay is crushed and be processed into granular material；
(3) material screening: adopt 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) moistening stirring: it is separately added into the material after w (water) 16%～20% moistening screening, simultaneously will with mixing plant
After moistening, material stirs；
(6) pugging is old: carries out vacuum pugging using pug mill to the material after moistening stirring, then seals material old
Corruption, old time >=30 day, that is, respectively obtain granule size be -20 mesh, the boccaro of -40 mesh, -60 mesh, -80 mesh, -100 mesh green
Mud；
(7) vessel make: the size according to purple-clay product and needs, select the boccaro green mud of corresponding granule size respectively,
Make vessel；
(8) vessel are dried: the vessel making are spontaneously dried, or adopts oven drying, 80 DEG C～105 DEG C of drying temperature,
24 hours drying times；
(9) boccaro is fired: dried vessel are put in burning equipment, 1175 DEG C～1225 DEG C of firing temperature, heats 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 even, naturally cools to
Room temperature, you can obtain the green mud purple-clay product of pale yellow～oyster.
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 be respectively -20 mesh, -40 mesh, -60 mesh, -80 mesh, the boccaro green mud of -100 mesh, using optimize technique fire pale yellow～
The green mud boccaro of light yellow green tone, defines a kind of processing of the boccaro green mud with natural potter's clay as raw material and method for cooking.This
Bright have the advantages that effect is obvious, safety is good, process is simple, popularization and application are easy, of many uses, remarkable economic and social benefits
And advantage, it 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 big
Little respectively -20 mesh, -40 mesh, -60 mesh, -80 mesh, the boccaro green mud of -100 mesh, and according to this pug feature, fire further
Go out the green mud purple-clay product of light yellow～light yellow green tone.
(2) safety is good.The present invention has the boccaro green mud of different grain size size using dry method+wet processing, using excellent
Metallization processes fire the green mud purple-clay product of light yellow～yellow～yellow green～light green tone, without any industrial chemicals and people
Work pigment, has security reliability.
(3) process is simple.8 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) of many uses, remarkable economic and social benefits.Purple-clay product especially dark-red enameled pottery is increasingly subject to everybody to pay close attention to and like
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.Green mud is one of very important purple sand pug of yixing purple sand, and mineral resources are rare.If can be rich using resource
Rich potter's clay is raw material, and without any industrial chemicals and artificial color, processing and fabricating boccaro green mud, to China's boccaro industry
Sustainable development is significant.The present invention makes to be only used for produce wine jar in the past, the potter's clay of pickle jar obtains efficient utilization,
There is provided new mineral resources for China's boccaro industry development, have broad application prospects and significant economic and social benefits.
4th, brief description
The calcining system schematic diagram of Fig. 1: potter's clay purple sand pug；
Fig. 2: potter's clay boccaro green mud different temperatures burns till the shrinkage factor curve of sample, pug granularity -60 mesh, constant temperature time
1h；
Fig. 3: potter's clay boccaro green mud different temperatures burns till the color of sample, pug granularity -60 mesh, diameter 50mm before burning, perseverance
Warm time 1h；
Fig. 4: potter's clay raw ore and the xrd collection of illustrative plates of green mud boccaro sample (1200 DEG C)；
Fig. 5: monochromatic light (left) polarisation (right) microphotograph of green mud boccaro sample (1200 DEG C) thin slice.
5th, specific embodiment
Example 1: a kind of boccaro green mud processing with natural potter's clay as raw material and method for cooking
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 green mud of -100 mesh, fires green mud using optimize technique purple
Sand, its processing is carried out by following 9 steps with burning process:
(1) potter's clay is chosen: chooses earthy-crumby natural potter's clay ore deposit, its chemical composition is w (sio2) 50%～
70%, w (al2o3) 22%～33%, w (fe2o3) 1%～3%, w (k2O) 1%～4%, w (cao) < 1%；
(2) it is dried and crushes: after potter's clay is spontaneously dried, using disintegrating apparatus, potter's clay is crushed and be processed into granular material；
(3) material screening: adopt 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) moistening stirring: it is separately added into the material after w (water) 16%～20% moistening screening, simultaneously will with mixing plant
After moistening, material stirs；
(6) pugging is old: carries out vacuum pugging using pug mill to the material after moistening stirring, then seals material old
Corruption, old time >=30 day, that is, respectively obtain granule size be -20 mesh, the boccaro of -40 mesh, -60 mesh, -80 mesh, -100 mesh green
Mud；
(7) vessel make: the size according to purple-clay product and needs, select the boccaro green mud of corresponding granule size respectively,
Make vessel；
(8) vessel are dried: the vessel making are spontaneously dried, or adopts oven drying, 80 DEG C～105 DEG C of drying temperature,
24 hours drying times；
(9) boccaro is fired: dried vessel are put in burning equipment, 1175 DEG C～1225 DEG C of firing temperature, heats 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 even, naturally cools to
Room temperature, you can obtain the green mud purple-clay product of pale yellow～oyster.
Find out, sample has the distinctive color of green mud boccaro and sand sense outward appearance from Fig. 3 (1200 DEG C, 1225 DEG C).
Knowable to the loss on ignition of sample, water absorption rate and shrinkage factor (table 3) and heat stability (table 4) testing result, this enforcement
Example method processing and the quality of green mud boccaro fired and function admirable, comply fully with national examination criteria.
The loss on ignition of table 3 green mud boccaro sample, water absorption rate (w%) and shrinkage factor (%)
Note: green mud boccaro sample granularity -60 mesh, 1200 DEG C of firing temperature, constant temperature time 1h
The heat stability of table 4 green mud boccaro sample
Note: green mud boccaro sample granularity -60 mesh, 1200 DEG C of firing temperature, constant temperature time 1h
Fig. 4 is the xrd collection of illustrative plates of this example potter's clay raw ore and green mud boccaro sample it can be seen that the present embodiment method makes
Green mud boccaro (1200 DEG C) phase character same or similar with Yixing green mud boccaro.
Yixing purple sand is microstructural to be noteworthy characterized by with crumb structure.Fig. 5 is this example green mud boccaro sample (1200
DEG C) the polarizing microscope photograph of thin slice it can be seen that green mud boccaro that the present embodiment method makes have identical with yixing purple sand
Or similar crumb structure.
Above testing result shows, this example is with natural potter's clay for Raw material processing and the green mud 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 (1)
1. a kind of with natural potter's clay as raw material boccaro green mud 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 green mud of 100 mesh, fires green mud boccaro using optimize technique, and its processing is carried out by following 9 steps with burning process:
(1) potter's clay is chosen: chooses earthy-crumby natural potter's clay ore deposit, its chemical composition is w (sio2) 50%～70%, w
(al2o3) 22%～33%, w (fe2o3) 1%～3%, w (k2O) 1%～4%, w (cao) < 1%；
(2) it is dried and crushes: after potter's clay is spontaneously dried, using disintegrating apparatus, potter's clay is crushed and be processed into granular material；
(3) material screening: adopt screening plant, by granular material respectively all by the standard screen of corresponding granularity, sieve respectively
Become -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) moistening stirring: be separately added into the material after w (water) 16%～20% moistening screening, simultaneously with mixing plant by moistening
Material stirs afterwards；
(6) pugging is old: vacuum pugging is carried out to the material after moistening stirring using pug mill, then material is sealed old,
Old time >=30 day, that is, respectively obtain granule size be -20 mesh, the boccaro green mud of -40 mesh, -60 mesh, -80 mesh, -100 mesh；
(7) vessel make: the size according to purple-clay product and needs, select the boccaro green mud of corresponding granule size respectively, make
Vessel；
(8) vessel are dried: the vessel making are spontaneously dried, or adopts oven drying, 80 DEG C～105 DEG C of drying temperature, and it is dried
24 hours time；
(9) boccaro is fired: dried vessel are put in burning equipment, 1175 DEG C～1225 DEG C of firing temperature, and heating rate
It is: room temperature～200 DEG C are 3 DEG C/min that 200 DEG C～400 DEG C is 7 DEG C/min respectively, 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 even, naturally cools to room temperature,
The green mud purple-clay product of pale yellow～oyster can be obtained.
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Cited By (7)
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| 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 |
| CN110540405A (en) * | 2019-09-05 | 2019-12-06 | 佛山科学技术学院 | Refining method of Longjiao pottery clay |
| 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 |
| CN111548117A (en) * | 2020-06-05 | 2020-08-18 | 广东创潮流瑜格科技有限公司 | Purple sand pottery and preparation forming process thereof |
| CN114230367A (en) * | 2022-01-11 | 2022-03-25 | 谢春合 | Purple sand pug composition for softening water quality and preparation method and application thereof |
| CN114315311A (en) * | 2021-12-13 | 2022-04-12 | 方彩娣 | Tiancha star purple sand pug and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110540405A (en) * | 2019-09-05 | 2019-12-06 | 佛山科学技术学院 | Refining method of Longjiao pottery clay |
| 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 |
| CN111548117A (en) * | 2020-06-05 | 2020-08-18 | 广东创潮流瑜格科技有限公司 | Purple sand pottery and preparation forming process thereof |
| CN114315311A (en) * | 2021-12-13 | 2022-04-12 | 方彩娣 | Tiancha star purple sand pug and preparation method thereof |
| CN114230367A (en) * | 2022-01-11 | 2022-03-25 | 谢春合 | Purple sand pug composition for softening water quality and preparation method and application thereof |
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