CN105859266A - Kiln transmutation autogenous glaze Shandong celadon, mud material and method - Google Patents

Kiln transmutation autogenous glaze Shandong celadon, mud material and method Download PDF

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CN105859266A
CN105859266A CN201610200944.2A CN201610200944A CN105859266A CN 105859266 A CN105859266 A CN 105859266A CN 201610200944 A CN201610200944 A CN 201610200944A CN 105859266 A CN105859266 A CN 105859266A
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celadon
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pug
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谢敬裕
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谢敬裕
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Abstract

The invention provides a kiln transmutation autogenous glaze Shandong celadon, a mud material and a method. A ceramic kiln employs a redox alternating atmosphere system to roast the unpainted clay idol into autogenous glaze Shandong celadon. The autogenous glaze Shandong celadon has a green glaze layer, or both blue glaze layer and blue porcelain body. The method can ensure effective precipitation of glaze layer by ceramic unpainted clay idol and enrichment on the surface in one roast, so as to obtain a Shandong celadon finished product through kiln transmutation. The method helps improve productivity and yield of Shandong celadon, saves energy and protects the environment, in particular reduces carbon emissions, and is a great-leap-forward progress for ceramic production.

Description

Transmutation is from raw glaze Shandong celadon and pug and method
Technical field
The present invention relates to celadon manufacturing technology, particularly a kind of transmutation is from raw glaze Shandong celadon and pug and method.Described transmutation is Refer to that the firing atmosphere in ceramic kiln uses the atmosphere system of oxidoreduction alternate;Described Shandong celadon begins at the one of the Song dynasty Individual porcelain kind;Described refer to porcelain body surface from raw glaze glaze layer be unpainted clay idol in kiln in sintering process spontaneous in carcass separate out and/or Carcass burns till skin effect and is formed, say, that eliminate enamel frit makeing, glazing this two big operation and correlation step completely; Described pug refers to make the composition of raw materials of pottery unpainted clay idol, usually includes the mixture of multi mineral.Implement the present invention, energy Enough ensure that pottery unpainted clay idol effectively separates out glaze layer and is enriched in surface and burns till Shandong celadon finished product by transmutation in once-firing, has It is beneficial to improve Shandong celadon production efficiency, yield rate and energy-conserving and environment-protective, particularly reduces carbon emission amount, be the leap of Production of Ceramics Formula progress.
Background technology
Celadon is fine and smooth with porcelain, and color and luster is pure, the lucid and lively smoothness of lines, and moulding is dignified simple and natural and is world-famous for.Shandong celadon is blue or green The one of porcelain.Shandong celadon starts from the Song dynasty, and Shandong celadon glaze is to change to form in kiln, every unique individual character of porcelain, Shandong celadon Firing temperature usually above other celadons, every kiln finished product is few, particularly bottle class skill product, and moulding is unique, and type is complicated, Treasure in becoming seldom, the most seldom.After being decorated by carved porcelain means of artistic expression, the works carved, picture clear layer, Stereoeffect highlights.Shandong celadon burns till the most under reducing atmosphere, and the product porcelain burnt is fine and smooth, and glaze is is green and luxuriant, brilliant Jade-like stone is exquisitely carved, and lucid and lively simple and elegant, artistic effect is obvious.Traditional Production of Ceramics generally uses the twice firing including biscuiting and glaze firing Mode, i.e. unpainted clay idol enter kiln kiln discharge again after biscuiting, and the porcelain body of current kiln discharge is carried out surface glazing (will be previously prepared Glaze covers on porcelain body surface), the most again enter kiln and carry out glaze firing.Ceramic production technology generally comprises raw material and selectes, dispensing, Pulverizing, sieve, except ferrum, filter pressing, pugging forms pug, molding, is dried, and biscuiting, glazing, glaze firing is i.e. burnt till as pottery Finished product, wherein the selected mineral that refer mainly to of raw material select, and what pugging had is divided into a pugging and secondary pugging, a pugging and Old operation is set between secondary pugging, pulverizes employing and add water for ball milling.The equipment that Production of Ceramics relates to generally comprises blender, Ball mill, vibration screening machine, magnetic magnetic separator de-ironing, mud plunger pump and pressure filter, pug mill, former, furnace etc.. From last century eight, the nineties, in Production of Ceramics and research practice, unpainted clay idol occur in sintering process from glazing Or certainly release glaze or from analysing glaze or just being paid attention to from raw glaze phenomenon, from formula, mechanism, interpolation activator to solid-phase construction Liquid phase separates out capillary force etc. and has carried out many discussions, but, the most spontaneous glaze pottery once-firing technology is still practical In process.The present inventor is devoted to the productivity research and development of spontaneous glaze ceramic product the most always, completes achievement of the present invention, Achieve practical from raw glaze Shandong celadon production technology of transmutation.
Summary of the invention
The present invention is directed to defect or deficiency present in prior art, it is provided that a kind of transmutation is from raw glaze Shandong celadon and pug and method. Described transmutation refers to that the firing atmosphere in ceramic kiln uses the atmosphere system of oxidoreduction alternate;Described Shandong celadon is to begin A porcelain kind in the Song dynasty;The described glaze layer referring to porcelain body surface from raw glaze is that unpainted clay idol is spontaneous from carcass in sintering process in kiln Interior precipitation and/or carcass burn till skin effect and are formed, say, that eliminate completely enamel frit makeing, this two big operation of glazing and Correlation step;Described pug refers to make the composition of raw materials of pottery unpainted clay idol, usually includes the mixture of multi mineral.Implement The present invention, it is possible to ensure that pottery unpainted clay idol effectively separates out glaze layer and is enriched in surface and burns till Lu Qing by transmutation in once-firing Porcelain finished product, is conducive to improving Shandong celadon production efficiency, yield rate and energy-conserving and environment-protective, particularly reduces carbon emission amount, be pottery The great-leap-forward progress produced.
Technical scheme is as follows:
Transmutation is from raw glaze Shandong celadon, it is characterised in that including porcelain body and from raw glaze glaze layer, described transmutation is from raw glaze Lu Qingcibao Including following chemical composition and weight content: SiO2 is 68~78%, and Al2O3 is 8~18%, and CaO is 6~14%, and MgO is 1.3~3.8%, K2O are 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, calcination loss thing be 0.05~ 0.25%;Make described transmutation and include following component and weight content from the pug of raw glaze Shandong celadon: quartz is 38~50%, high Ridge soil is 18~36%, and calcite is 10~21%, and bentonite is 8~12%, and Talcum is 6~12%, aluminium sesquioxide be 2~ 8%.
A kind of from raw glaze Shandong celadon, it is characterised in that to include porcelain body and from raw glaze glaze layer, described from raw glaze Shandong celadon include as Lower chemical composition and weight content: SiO2 are 68~78%, and Al2O3 is 8~18%, and CaO is 6~14%, MgO be 1.3~ 3.8%, K2O are 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 0.05~0.25%; The described pug dry body from raw glaze Shandong celadon includes that following chemical composition and weight content: SiO2 is 66~76%, Al2O3 be 7~ 16%, CaO are 5.5~12%, and MgO is 1.29~3.7%, and K2O is 1~2.5%, and Na2O is 0.25~0.95%, Fe2O3 Being 0.1~0.3%, calcination loss thing is 5~10%.
A kind of from raw glaze Shandong celadon pug, it is characterised in that the dry body of described pug includes following chemical composition and weight content: SiO2 is 66~76%, and Al2O3 is 7~16%, and CaO is 5.5~12%, and MgO is 1.29~3.7%, and K2O is 1~2.5%, Na2O is 0.25~0.95%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 5~10%;Make the raw material bag of described pug Including following component and weight content: quartz is 38~50%, Kaolin is 18~36%, and calcite is 10~21%, bentonite Being 8~12%, Talcum is 6~12%, and aluminium sesquioxide is 2~8%.
The dry body of described pug also includes that following chemical composition and weight content: TiO2 is 0.0~0.6%;Make described pug Raw material include following component and weight content: titanium dioxide is 0.1~2%;The dry body of described pug also includes following chemical composition And weight content: ZrO2 is 0.0~1.2%;Make the raw material of described pug and include following component and weight content: Zirconium orthosilicate. It is 0.1~6%.
A kind of Quinary system is from raw glaze Shandong celadon, and described Quinary system refers to belong to from the chemical composition of raw glaze Shandong celadon " K2O-MgO-CaO-Al2O3-SiO2 " Quinary system, it is characterised in that include porcelain body and from raw glaze glaze layer, described from Raw glaze Shandong celadon includes that following chemical composition and weight content: SiO2 is 68~78%, and Al2O3 is 8~18%, CaO be 6~ 14%, MgO are 1.3~3.8%, and K2O is 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, calcination Weightless thing is 0.05~0.25%.
From raw glaze Shandong celadon, described Quinary system also includes that following chemical composition and weight content: TiO2 is 0.0~0.6%, and/ Or ZrO2 is 0.0~1.2%.
A kind of from raw glaze Shandong celadon pug, it is characterised in that the dry body of described pug includes following chemical composition and weight content: SiO2 is 66~76%, and Al2O3 is 7~16%, and CaO is 5.5~12%, and MgO is 1.29~3.7%, and K2O is 1~2.5%, Na2O is 0.25~0.95%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 5~10%.
The dry body of described pug also includes that following chemical composition and weight content: TiO2 is 0.0~0.6%, and/or ZrO2 is 0.0~1.2%.
Transmutation is from raw glaze Shandong celadon process for calcining, it is characterised in that comprise the following steps: use oxidation also in ceramic kiln Unpainted clay idol is burnt till from raw glaze Shandong celadon by the atmosphere system of former alternate, and described have cyan glaze layer from raw glaze Shandong celadon, or Not only there is cyan glaze layer but also there is cyan porcelain body.
Described atmosphere system comprises the following steps: when fire box temperature rises to T1 value, in kiln, firing atmosphere is by oxidation before Atmosphere changes into reducing atmosphere, and keeps reducing atmosphere to fire box temperature to rise to T2 value;From the beginning of this T2 value, burn in kiln Become atmosphere to be changed into oxidizing atmosphere by reducing atmosphere, and keep this oxidizing atmosphere to fire box temperature to rise to T3 value;From T3 value Time rise insulation within 40 minutes~80 minutes, obtain transmutation from raw glaze Shandong celadon;Interval internal furnace programming rate at T1 to T2 is 60 DEG C/h~40 DEG C/h, described T1=1170 DEG C ± 10 DEG C, described T2=1200 DEG C ± 10 DEG C;T2's to T3 Interval internal furnace programming rate is 10 DEG C/h~6 DEG C/h, described T3=1240 DEG C ± 25 DEG C.
The technique effect of the present invention is as follows: transmutation of the present invention, from raw glaze Shandong celadon and pug and method, is from raw glaze Shandong celadon skill Art field is in the great-leap-forward progress of practical aspect.The present invention defines transmutation innovatively from raw glaze Shandong celadon, this transmutation from Raw glaze Shandong celadon has the color and luster as sapphire and permeability and prominent heat stability.The pug raw material of the present invention is not required to Activator component to be prepared.Pug of the present invention spontaneously forms the glaze layer on porcelain body surface in kiln in sintering process, decrease some Operation, it is to avoid the lead cadmium pollution that prefabricated glaze may bring, improves the adhesion between glaze layer and porcelain body simultaneously.
The transmutation of the present invention uses Quinary system from raw glaze Shandong celadon, including oxidation dipotassium, magnesium oxide, calcium oxide, three oxidations Two aluminum, silicon dioxide, i.e. " K2O-MgO-CaO-Al2O3-SiO2 " Quinary system.It it is the temperature in burner hearth in furnace I.e. firing temperature is measured and is used firing ring, and also known as pottery firing ring, pottery firing ring is that the ceramic temperature of a kind of high precision refers to Showing device, it can record the thermal process that in sintering procedure, goods are experienced faithfully.In furnace in the present invention, programming rate is general It is from fast to slow.Molding dry body uses the mode of natural drying, saves the energy, reduces carbon emission amount.Making in the present invention Pug includes that raw material is selected, and dispensing is pulverized, sieved, and mixing, roguing, except ferrum, filter pressing, pugging.Except ferrum uses magnetic to remove Ferrum machine, magnetic field intensity is 1.5 ten thousand~30,000 Gausses.Except ferrum uses multistage except ferrum, such as three grades i.e. pass sequentially through three magnetic separator de-ironings, Also three times are cried except ferrum.Wherein pugging is divided into a pugging and secondary pugging, arranges old between a pugging and secondary pugging Operation.Wherein pulverizing and use ball mill, sieve employing vibration screening machine, and mixing uses blender, and filter pressing uses pressure filter, Pugging uses pug mill.Can use coal gas or natural gas in loading of kiln once-firing is fuel.Loading of kiln once-firing uses The atmosphere system of oxidoreduction alternate, oxidation or reducing atmosphere are realized with air ratio by fuel during regulation burning.This The firing temperature of invention can be 1200 DEG C-1265 DEG C, or 1200 DEG C-1270 DEG C, it is incubated 40 minutes-80 minutes, such as, 1230 DEG C are incubated 50 minutes.Firing period can be 8~14 hours, or 9~11 hours, or about 10 hours.Burn till Temperature survey uses firing ring, and also known as pottery firing ring, pottery firing ring is the ceramic thermindicator of a kind of high precision, It can record the thermal process that in sintering procedure, goods are experienced faithfully.Firing temperature is measured can also use thermocouple, also can adopt Use thermoscope.Thermoscope (fusible cone) is a kind of high-precision ceramic firing temperature indicator.Thermoscope (fusible cone) May determine when to fire completely or kiln whether provide enough heats ensure pottery ripening or Whether kiln exists the difference of temperature or the most problematic in sintering procedure.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be described.
Spontaneous glaze pottery single firing process flow process includes that raw material is selected, and dispensing is pulverized, sieved, mixing, roguing, except ferrum, Filter pressing, pugging, molding, loading of kiln once-firing, kiln discharge, quality inspection, finished product packing.Wherein use magnetic magnetic separator de-ironing, magnetic except ferrum Field intensity is 1.5 ten thousand~30,000 Gausses.Except ferrum can use multistage except ferrum, such as three grades are removed ferrum, are conducive to producing continuously.Its Middle pugging is divided into a pugging and secondary pugging, arranges old operation between a pugging and secondary pugging.Wherein pulverize and adopt With ball mill, sieve employing vibration screening machine, and mixing uses blender, and filter pressing uses pressure filter, and pugging uses pug mill. When using the atmosphere system of oxidoreduction alternate, oxidation or reducing atmosphere to be burnt by regulation in loading of kiln once-firing Fuel and air are than realizing.Can use coal gas or natural gas in loading of kiln once-firing is fuel.
Transmutation is from raw glaze Shandong celadon, it is characterised in that including porcelain body and from raw glaze glaze layer, described transmutation is from raw glaze Lu Qingcibao Including following chemical composition and weight content: SiO2 is 68~78%, and Al2O3 is 8~18%, and CaO is 6~14%, and MgO is 1.3~3.8%, K2O are 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, calcination loss thing be 0.05~ 0.25%;Make described transmutation and include following component and weight content from the pug of raw glaze Shandong celadon: quartz is 38~50%, high Ridge soil is 18~36%, and calcite is 10~21%, and bentonite is 8~12%, and Talcum is 6~12%, aluminium sesquioxide be 2~ 8%.
A kind of from raw glaze Shandong celadon, it is characterised in that to include porcelain body and from raw glaze glaze layer, described from raw glaze Shandong celadon include as Lower chemical composition and weight content: SiO2 are 68~78%, and Al2O3 is 8~18%, and CaO is 6~14%, MgO be 1.3~ 3.8%, K2O are 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 0.05~0.25%; The described pug dry body from raw glaze Shandong celadon includes that following chemical composition and weight content: SiO2 is 66~76%, Al2O3 be 7~ 16%, CaO are 5.5~12%, and MgO is 1.29~3.7%, and K2O is 1~2.5%, and Na2O is 0.25~0.95%, Fe2O3 Being 0.1~0.3%, calcination loss thing is 5~10%.
A kind of from raw glaze Shandong celadon pug, it is characterised in that the dry body of described pug includes following chemical composition and weight content: SiO2 is 66~76%, and Al2O3 is 7~16%, and CaO is 5.5~12%, and MgO is 1.29~3.7%, and K2O is 1~2.5%, Na2O is 0.25~0.95%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 5~10%;Make the raw material bag of described pug Including following component and weight content: quartz is 38~50%, Kaolin is 18~36%, and calcite is 10~21%, bentonite Being 8~12%, Talcum is 6~12%, and aluminium sesquioxide is 2~8%.The dry body of described pug also include following chemical composition and Weight content: TiO2 is 0.0~0.6%;The raw material making described pug includes following component and weight content: titanium dioxide is 0.1~2%;The dry body of described pug also includes that following chemical composition and weight content: ZrO2 is 0.0~1.2%;Make described The raw material of pug includes following component and weight content: Zirconium orthosilicate. is 0.1~6%.
A kind of Quinary system is from raw glaze Shandong celadon, and described Quinary system refers to belong to from the chemical composition of raw glaze Shandong celadon " K2O-MgO-CaO-Al2O3-SiO2 " Quinary system, it is characterised in that include porcelain body and from raw glaze glaze layer, described from Raw glaze Shandong celadon includes that following chemical composition and weight content: SiO2 is 68~78%, and Al2O3 is 8~18%, CaO be 6~ 14%, MgO are 1.3~3.8%, and K2O is 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, calcination Weightless thing is 0.05~0.25%.Described Quinary system also includes following chemical composition and weight content: TiO2 from raw glaze Shandong celadon It is 0.0~0.6%, and/or ZrO2 is 0.0~1.2%.
A kind of from raw glaze Shandong celadon pug, it is characterised in that the dry body of described pug includes following chemical composition and weight content: SiO2 is 66~76%, and Al2O3 is 7~16%, and CaO is 5.5~12%, and MgO is 1.29~3.7%, and K2O is 1~2.5%, Na2O is 0.25~0.95%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 5~10%.The dry body of described pug also includes Following chemical composition and weight content: TiO2 are 0.0~0.6%, and/or ZrO2 is 0.0~1.2%.
Transmutation is from raw glaze Shandong celadon process for calcining, it is characterised in that comprise the following steps: use oxidation also in ceramic kiln Unpainted clay idol is burnt till from raw glaze Shandong celadon by the atmosphere system of former alternate, and described have cyan glaze layer from raw glaze Shandong celadon, or Not only there is cyan glaze layer but also there is cyan porcelain body.Described atmosphere system comprises the following steps: when fire box temperature rises to T1 value, In kiln, firing atmosphere is changed into reducing atmosphere by oxidizing atmosphere before, and keeps reducing atmosphere to fire box temperature to rise to T2 value; From the beginning of this T2 value, in kiln, firing atmosphere is changed into oxidizing atmosphere by reducing atmosphere, and keeps this oxidizing atmosphere to fire box temperature Rise to T3 value;From T3 value, insulation i.e. obtains transmutation for 40 minutes~80 minutes from raw glaze Shandong celadon;T1's to T2 Interval internal furnace programming rate is 60 DEG C/h~40 DEG C/h, described T1=1170 DEG C ± 10 DEG C, described T2=1200 DEG C ±10℃;Interval internal furnace programming rate at T2 to T3 is 10 DEG C/h~6 DEG C/h, described T3=1240 DEG C ± 25℃。
Firing temperature in the present invention controls further at 1200 DEG C~1245 DEG C.Maximum temperature is less than 1245 DEG C, is ensureing On the premise of ceramic product quality, effectively reduce energy resource consumption.It is arranged on 1250 DEG C of-1430 DEG C of scopes relative to firing temperature Or 1270 DEG C of-1310 DEG C of scopes or 1260 DEG C of-1310 DEG C of scopes, the present invention can save the energy of more than 10%, and this is for height For the Production of Ceramics industry of power consumption, it is energy efficiency, particularly reduces the marked improvement of carbon emission amount.
It is hereby stated that, described above contribute to skilled artisan understands that the invention, but and unrestricted the invention Protection domain.Any without departing from the invention flesh and blood to equivalent described above, modify improve and/or The enforcement deleting numerous conforming to the principle of simplicity and carry out, each falls within the protection domain of the invention.

Claims (10)

1. transmutation is from raw glaze Shandong celadon, it is characterised in that including porcelain body and from raw glaze glaze layer, described transmutation is from raw glaze Shandong celadon Being 68~78% including following chemical composition and weight content: SiO2, Al2O3 is 8~18%, and CaO is 6~14%, and MgO is 1.3~3.8%, K2O are 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, calcination loss thing be 0.05~ 0.25%;Make described transmutation and include following component and weight content from the pug of raw glaze Shandong celadon: quartz is 38~50%, high Ridge soil is 18~36%, and calcite is 10~21%, and bentonite is 8~12%, and Talcum is 6~12%, aluminium sesquioxide be 2~ 8%.
2. one kind from raw glaze Shandong celadon, it is characterised in that include porcelain body and from raw glaze glaze layer, described includes from raw glaze Shandong celadon Following chemical composition and weight content: SiO2 are 68~78%, and Al2O3 is 8~18%, and CaO is 6~14%, MgO be 1.3~ 3.8%, K2O are 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 0.05~0.25%; The described pug dry body from raw glaze Shandong celadon includes that following chemical composition and weight content: SiO2 is 66~76%, Al2O3 be 7~ 16%, CaO are 5.5~12%, and MgO is 1.29~3.7%, and K2O is 1~2.5%, and Na2O is 0.25~0.95%, Fe2O3 Being 0.1~0.3%, calcination loss thing is 5~10%.
3. one kind from raw glaze Shandong celadon pug, it is characterised in that the dry body of described pug includes that following chemical composition and weight contain Amount: SiO2 is 66~76%, and Al2O3 is 7~16%, and CaO is 5.5~12%, and MgO is 1.29~3.7%, K2O be 1~ 2.5%, Na2O are 0.25~0.95%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 5~10%;Make described pug Raw material includes following component and weight content: quartz is 38~50%, and Kaolin is 18~36%, and calcite is 10~21%, Bentonite is 8~12%, and Talcum is 6~12%, and aluminium sesquioxide is 2~8%.
The most according to claim 3 from raw glaze Shandong celadon pug, it is characterised in that the dry body of described pug also include as Lower chemical composition and weight content: TiO2 are 0.0~0.6%;The raw material making described pug includes that following component and weight contain Amount: titanium dioxide is 0.1~2%;The dry body of described pug also includes that following chemical composition and weight content: ZrO2 is 0.0~1.2%; The raw material making described pug includes following component and weight content: Zirconium orthosilicate. is 0.1~6%.
5. Quinary system is from a raw glaze Shandong celadon, and described Quinary system refers to belong to from the chemical composition of raw glaze Shandong celadon " K2O-MgO-CaO-Al2O3-SiO2 " Quinary system, it is characterised in that include porcelain body and from raw glaze glaze layer, described from Raw glaze Shandong celadon includes that following chemical composition and weight content: SiO2 is 68~78%, and Al2O3 is 8~18%, CaO be 6~ 14%, MgO are 1.3~3.8%, and K2O is 1.1~2.6%, and Na2O is 0.2~1%, and Fe2O3 is 0.1~0.3%, calcination Weightless thing is 0.05~0.25%.
Quinary system the most according to claim 5 is from raw glaze Shandong celadon, it is characterised in that described Quinary system is from raw glaze Shandong celadon also includes that following chemical composition and weight content: TiO2 is 0.0~0.6%, and/or ZrO2 is 0.0~1.2%.
7. one kind from raw glaze Shandong celadon pug, it is characterised in that the dry body of described pug includes that following chemical composition and weight contain Amount: SiO2 is 66~76%, and Al2O3 is 7~16%, and CaO is 5.5~12%, and MgO is 1.29~3.7%, K2O be 1~ 2.5%, Na2O are 0.25~0.95%, and Fe2O3 is 0.1~0.3%, and calcination loss thing is 5~10%.
The most according to claim 7 from raw glaze Shandong celadon pug, it is characterised in that the dry body of described pug also include as Lower chemical composition and weight content: TiO2 are 0.0~0.6%, and/or ZrO2 is 0.0~1.2%.
9. transmutation is from raw glaze Shandong celadon process for calcining, it is characterised in that comprise the following steps: use oxidation in ceramic kiln Unpainted clay idol is burnt till from raw glaze Shandong celadon by the atmosphere system of reduction alternate, and described have cyan glaze layer from raw glaze Shandong celadon, or Person not only has cyan glaze layer but also has cyan porcelain body.
Transmutation the most according to claim 9 is from raw glaze Shandong celadon process for calcining, it is characterised in that described atmosphere system Comprise the following steps: when fire box temperature rises to T1 value, in kiln, firing atmosphere is changed into reducing gases by oxidizing atmosphere before Atmosphere, and keep reducing atmosphere to fire box temperature to rise to T2 value;From the beginning of this T2 value, in kiln, firing atmosphere is by reducing atmosphere Change into oxidizing atmosphere, and keep this oxidizing atmosphere to fire box temperature to rise to T3 value;From T3 value be incubated 40 minutes~ Within 80 minutes, i.e. obtain transmutation from raw glaze Shandong celadon;Interval internal furnace programming rate at T1 to T2 is 60 DEG C/h~40 DEG C/ Hour, described T1=1170 DEG C ± 10 DEG C, described T2=1200 DEG C ± 10 DEG C;Interval internal furnace at T2 to T3 heats up fast Degree is 10 DEG C/h~6 DEG C/h, described T3=1240 DEG C ± 25 DEG C.
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