CN1126186A - Method for prodn. of quartz cordierite kiln ware - Google Patents
Method for prodn. of quartz cordierite kiln ware Download PDFInfo
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- CN1126186A CN1126186A CN 94120000 CN94120000A CN1126186A CN 1126186 A CN1126186 A CN 1126186A CN 94120000 CN94120000 CN 94120000 CN 94120000 A CN94120000 A CN 94120000A CN 1126186 A CN1126186 A CN 1126186A
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- quartz
- making method
- cordierite
- trichroite
- raw material
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Abstract
The kiln furniture such as different shelves and saggars is made up of such raw materials (Wt.%) as fused quartz (30-90), cordierite (20-70) and clay (10-50) and features thermoshock times (water cooling at 1100 deg.C) of over 100, RUL of over 1380 deg.C, apparent porosity of less than 30%, ordinary-temp pressure of over 20 MPa, and using times of 120 at 1300 deg.C or 150 under 1200 deg.C.
Description
The present invention relates to a kind of making method of quartz cordierite kiln ware, particularly the making method of kiln furnitures such as saggar, refractory slab belongs to the ceramic kiln furniture technical field.
At present, ceramic kiln furniture can be divided into the semi silica kiln furnitures of clay matter, high alumina matter, clay cordierite, high alumina cordierite by the raw material that adopts, the shortcoming of above-mentioned kiln furnitures ubiquity two aspects, and the one, refractoriness under load is low, and high temperature uses yielding down; The 2nd, thermal stability is poor, easily bursts during use.
The objective of the invention is to provide in order to overcome above-mentioned weak point of the prior art a kind of firing range wide, have a making method of the quartz cordierite kiln ware of characteristics such as good thermal shock stability, high temperature creep-resisting are strong, loading softening begins the temperature height.
The object of the present invention is achieved like this: its processing step comprises batching, batch mixing, moulding, drying, burns till, by this processing step, at first prepare burden, the prescription of raw material (weight %) is a fused quartz 30-70%, trichroite 20-70%, bonding clay 10-50%, wherein fused quartz and trichroite are continuous particulate state, and bonding clay is a finely powdered.The wedding agent that adds when batch mixing is an aluminium dihydrogen phosphate, and its add-on should account for 2-20% of raw material gross weight, and its concentration is 60%, burns till after employing mechanical pressing, the conventional drying technology, and firing range is 600-1320 ℃.
The performance characteristics of the kiln furnitures that the present invention makes is: 1100 ℃ of water-cooleds of thermal shock resistance number of times are greater than 100 times, loading softening begins temperature greater than 1380 ℃, apparent porosity is less than 30%, normal temperature pressure is greater than 20MPa, access times are greater than 120 times in 1300 ℃, 1200 ℃ with interior access times greater than 150 times.
Below in conjunction with embodiment in detail the present invention is described in detail:
By processing requirement of the present invention, fused quartz is the continuous particle less than 3 millimeters, trichroite is the continuous particle less than 2 millimeters, bonding clay is the fine powder less than 0.088 millimeter, it is 15% that the aluminium dihydrogen phosphate that adds during batch mixing accounts for raw material gross weight the best, and concentration requirement 60% requires press to be 300-1200 tons during mechanical pressing, adopt conventional drying technology, it is 900 ℃ that firing temperature is controlled at optimum temperature value.Its composition of raw materials can be following several:
Optimum formula (weight %) one: fused quartz 45%, trichroite 35%, bonding clay 20%.This prescription is suitable for making refractory slab series kiln furnitures.Adopt the performance characteristics of the refractory slab series kiln furnitures of this prescription making to be: thermal shock resistance number of times (1100 ℃ of water-cooleds) 102 times, loading softening begins 1385 ℃ of temperature, apparent porosity 26%, normal temperature pressure 32MPa.
Optimum formula (weight %) two: fused quartz 50%, trichroite 25%, bonding clay 25%, this prescription are suitable for making saggar series kiln furnitures.Adopt the performance characteristics of the saggar series kiln furnitures of this prescription making to be: thermal shock resistance number of times (1100 ℃ of water-cooleds) 105 times, loading softening begins 1390 ℃ of temperature, apparent porosity 28%, normal temperature pressure 24MPa.
Prescription (weight %) three: fused quartz 30%, trichroite 60%, bonding clay 10%, adopt this prescription can make refractory slab series kiln furnitures, performance characteristics is: thermal shock resistance number of times (1100 ℃ of water-cooleds) 100 times, loading softening begins 1380 ℃ of temperature, apparent porosity 28%, normal temperature pressure 28MPa.
Prescription (weight %) four: fused quartz 70%, trichroite 20%, bonding clay 10%, adopt this prescription can make saggar series kiln furnitures, performance characteristics is: thermal shock resistance number of times (1100 ℃ of water-cooleds) 110 times, loading softening begins 11410 ℃ of temperature, apparent porosity 30%, normal temperature pressure 22MPa.
Prescription (weight %) five: fused quartz 30%, trichroite 20%, bonding clay 50%, adopt this prescription can make refractory slab series kiln furnitures, performance characteristics is: thermal shock resistance number of times (1100 ℃ of water-cooleds) 101 times, loading softening begins 1380 ℃ of temperature, apparent porosity 24%, normal temperature pressure 38MPa.
Claims (8)
1, a kind of making method of quartz cordierite kiln ware, it comprises batching, batch mixing, moulding, drying, firing process step, it is characterized in that the prescription (weight %) of raw material is a fused quartz 30-70%, trichroite 20-70%, bonding clay 10-50%.
2, the making method of quartz cordierite kiln ware according to claim 1 is characterized in that fused quartz is the continuous particle less than 3 millimeters, and trichroite is the continuous particle less than 2 millimeters, and bonding clay is the fine powder less than 0.088 millimeter.
3, the making method of quartz cordierite kiln ware according to claim 1, the aluminium dihydrogen phosphate that adds when it is characterized in that batch mixing accounts for 2-20% of raw material gross weight, and its concentration is 60%.
4, the making method of quartz cordierite kiln ware according to claim 1 is characterized in that firing range is 600-1320 ℃.
5, the making method of quartz cordierite kiln ware according to claim 1, the optimum formula (weight %) that it is characterized in that raw material are that fused quartz is 45%, trichroite 35%, bonding clay 20%.
6, the making method of quartz cordierite kiln ware according to claim 1, the optimum formula (weight %) that it is characterized in that raw material is fused quartz 50%, trichroite 25%, bonding clay 25%.
7, according to the making method of claim 1 or 3 described quartz cordierite kiln wares, it is 15% that the aluminium dihydrogen phosphate that adds when it is characterized in that batch mixing accounts for raw material gross weight the best.
8,, it is characterized in that the optimum temps of burning till is 900 ℃ according to the making method of claim 1 or 4 described quartz cordierite kiln wares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94120000A CN1055672C (en) | 1994-12-28 | 1994-12-28 | Method for prodn. of quartz cordierite kiln ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94120000A CN1055672C (en) | 1994-12-28 | 1994-12-28 | Method for prodn. of quartz cordierite kiln ware |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1126186A true CN1126186A (en) | 1996-07-10 |
| CN1055672C CN1055672C (en) | 2000-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94120000A Expired - Fee Related CN1055672C (en) | 1994-12-28 | 1994-12-28 | Method for prodn. of quartz cordierite kiln ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1055672C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628821A (en) * | 2009-07-22 | 2010-01-20 | 河北理工大学 | Composite material supporter and preparation method thereof |
| CN101628195A (en) * | 2009-07-22 | 2010-01-20 | 河北理工大学 | High-temperature gas filter supporting body and preparation method thereof |
| CN101955366A (en) * | 2010-10-26 | 2011-01-26 | 揭东县热金宝新材料科技有限公司 | High performance and large-area fire resistance hollow slab kiln and production method thereof |
| CN103803953A (en) * | 2013-12-23 | 2014-05-21 | 苏州宏泉高压电容器有限公司 | Preparation method of heat-resistant ceramic |
| CN116082025A (en) * | 2023-02-17 | 2023-05-09 | 洛阳索莱特材料科技有限公司 | Fused quartz-silicon carbide ceramic product and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400461C (en) * | 2005-06-17 | 2008-07-09 | 陈建庭 | Clean and lightweight honeycomb ceramic heat-proof and shock-proof furnace end and its production method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87215179U (en) * | 1987-12-14 | 1988-10-26 | 湖南省醴陵群力瓷厂 | Ceramic table spoon baking fixture |
| US4923830A (en) * | 1989-09-18 | 1990-05-08 | Swiss Aluminum Ltd. | Ceramic bodies formed from partially stabilized zirconia |
| CN1100077A (en) * | 1993-09-11 | 1995-03-15 | 韩正余 | Morcote cordierite material for kiln tools |
-
1994
- 1994-12-28 CN CN94120000A patent/CN1055672C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628821A (en) * | 2009-07-22 | 2010-01-20 | 河北理工大学 | Composite material supporter and preparation method thereof |
| CN101628195A (en) * | 2009-07-22 | 2010-01-20 | 河北理工大学 | High-temperature gas filter supporting body and preparation method thereof |
| CN101628821B (en) * | 2009-07-22 | 2013-05-15 | 河北理工大学 | Composite material supporter and preparation method thereof |
| CN101628195B (en) * | 2009-07-22 | 2014-01-15 | 河北理工大学 | High-temperature gas filter supporting body and preparation method thereof |
| CN101955366A (en) * | 2010-10-26 | 2011-01-26 | 揭东县热金宝新材料科技有限公司 | High performance and large-area fire resistance hollow slab kiln and production method thereof |
| CN101955366B (en) * | 2010-10-26 | 2012-07-04 | 揭东县热金宝新材料科技有限公司 | High performance and large-area fire resistance hollow slab kiln and production method thereof |
| CN103803953A (en) * | 2013-12-23 | 2014-05-21 | 苏州宏泉高压电容器有限公司 | Preparation method of heat-resistant ceramic |
| CN103803953B (en) * | 2013-12-23 | 2015-05-06 | 吴江华诚复合材料科技有限公司 | Preparation method of heat-resistant ceramic |
| CN116082025A (en) * | 2023-02-17 | 2023-05-09 | 洛阳索莱特材料科技有限公司 | Fused quartz-silicon carbide ceramic product and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1055672C (en) | 2000-08-23 |
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