CN104311066A - Wear-resisting thermal-insulating refractory castable material - Google Patents
Wear-resisting thermal-insulating refractory castable material Download PDFInfo
- Publication number
- CN104311066A CN104311066A CN201410526394.4A CN201410526394A CN104311066A CN 104311066 A CN104311066 A CN 104311066A CN 201410526394 A CN201410526394 A CN 201410526394A CN 104311066 A CN104311066 A CN 104311066A
- Authority
- CN
- China
- Prior art keywords
- aggregate
- parts
- wear
- refractory castable
- fine aggregate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a wear-resisting thermal-insulating refractory castable material which is prepared from the following raw materials in parts by weight: 10-15 parts of coarse aggregate, 25-30 parts of medium aggregate, 15-25 parts of fine aggregate, 20-30 parts of an adhesive, 5-10 parts of yttrium oxide and 10-15 parts of alumina micro powder, wherein the coarse aggregate is super-grade alumina; the medium aggregate comprises silicon carbide and zirconite; the fine aggregate is super-grade alumina; the adhesive is prepared from the following components in parts by weight: 45-55 parts of zirconium oxide fiber, 10-30 parts of magnesium silicate and 25-35 parts of phosphate.
Description
Technical field
The invention belongs to technical field of refractory materials, particularly relate to the Wear-resistant heat insulation refractory castable that a kind of wear resistance is good.
Background technology
In many production industries such as building materials, metallurgy, chemical industry, environmental protection, use turning circle equipment to carry out machinery, physical or chemical treatment to solid materials widely, this kind equipment is called as rotary kiln.In building material industry, rotary kiln, except calcination cement clinker, is also used for calcined clay, Wingdale and carry out slag drying etc.; During refractory materials is produced, adopt rotary kiln calcination raw material, its dimensional stabilizing, intensity are increased, reprocesses shaping; In coloured and ferrous metallurgy, the metals such as iron, aluminium, copper, zinc, tin, nickel, tungsten, chromium, file take rotary kiln as smelting equipment, sinter, roasting to ore, concentrate, intermediate etc.
At present, in wear-resistant castable field, prior art mainly relies in mould material adds the high rigidity such as corundum, silicon carbide material and makes unshape refractory obtain good wear resistance.For the material at high temperature used, to also justifiable.But the refractory materials that middle low temperature is used this both wasted resource, turn increase cost.
Summary of the invention
In view of this, for the deficiencies in the prior art, the invention provides the Wear-resistant heat insulation refractory castable of the low cost of a kind of physical strength and wear resisting property excellence.
A kind of Wear-resistant heat insulation refractory castable, comprise coarse aggregate, middle aggregate, fine aggregate, binding agent, silicon powder, alumina powder and yttrium oxide, wherein the parts by weight of above-mentioned raw materials are: coarse aggregate 10 ~ 15, middle aggregate accounts for 25 ~ 30, fine aggregate accounts for 15 ~ 25, binding agent 20 ~ 30, yttrium oxide 5 ~ 10, alumina powder 10 ~ 15.Wherein, coarse aggregate is high grade bauxite; Middle aggregate comprises silicon carbide and zircon, and fine aggregate is high grade bauxite; Wherein, comprise following parts by weight component at binding agent to make: Zirconium oxide fibre 45 ~ 55, Magnesium Silicate q-agent 10 ~ 30, phosphoric acid salt 25 ~ 35.
Wear-resistant heat insulation refractory castable of the present invention is by using high grade bauxite as coarse aggregate, using silicon carbide and zircon as middle aggregate, again using high grade bauxite as fine aggregate, add Reactive alumina and accelerate solid state reaction, utilize yttrium oxide to keep the stability of Zirconium oxide fibre, replace corundum with Zirconium oxide fibre, alumina, silicon carbide and zircon, reduce raw materials cost, do not affect again the object of mechanical strength and wear resistance.
Embodiment
A kind of Wear-resistant heat insulation refractory castable, comprise coarse aggregate, middle aggregate, fine aggregate, binding agent, silicon powder, alumina powder and yttrium oxide, wherein the parts by weight of above-mentioned raw materials are: coarse aggregate 10 ~ 15, middle aggregate accounts for 25 ~ 30, fine aggregate accounts for 15 ~ 25, binding agent 20 ~ 30, yttrium oxide 5 ~ 10, alumina powder 10 ~ 15.Wherein, coarse aggregate is high grade bauxite; Middle aggregate comprises silicon carbide and zircon, and fine aggregate is high grade bauxite; Wherein, comprise following parts by weight component at binding agent to make: Zirconium oxide fibre 45 ~ 55, Magnesium Silicate q-agent 10 ~ 30, phosphoric acid salt 25 ~ 35.Wherein, a kind in the preferred tripoly phosphate sodium STPP of phosphoric acid salt, Sodium hexametaphosphate 99, trisodium phosphate or the combination of at least 2 kinds, particularly preferably Sodium hexametaphosphate 99.
Refractory materials is in order to reach desirable fireproof high-temperature resistant effect, the structure formation of what is called " dense accumulation " must be formed, this structure formation is thick, middle aggregate by occupying space, material large portion, the fine aggregate in thick, the middle aggregate space of filling, the micro mist in the carse, medium and small aggregate space of filling obtain, therefore select very important to the particle diameter of refractory castable kinds of ingredients, in the present embodiment, the size of described coarse aggregate is 3.0 ~ 2.0mm; In described middle aggregate, the size of each component is 1.5mm ~ 1mm; The size of described fine aggregate is 0.5 ~ 0.01mm, and the length of Zirconium oxide fibre is 1.5mm ~ 1mm and width is 1.5mm ~ 1mm.
The alumina powder added in the present invention is activated alumina, and the principal crystalline phase of activated alumina is α ~ Al
2o
3physico-chemical property is d≤2.0 μm, true density>=3.95g/cm, Na O is less than or equal to 0.1%, activated alumina can make the refractory castable apparent porosity of cast less, further, utilize silicon carbide high thermal conductivity to improve the heat-shock resistance of mould material, and by the oxidation of silicon carbide, form one deck SiO at refractory surface
2settling shutoff pore, and utilize Zirconium oxide fibre to be combined closely by each material, the resistance to fouling of refractory casting material is improved with this.
Below illustrate above-mentioned Wear-resistant heat insulation refractory castable:
Embodiment 1
(1) preparation of mould material:
3.0 ~ 2.0mm coarse aggregate 15, aggregate 25 in 1.5mm ~ 1mm, 0.5 ~ 0.01mm fine aggregate 15, binding agent 30, yttrium oxide 5, alumina powder 10, by said ratio, add water after each raw material is weighed companion and, obtaining the slurry of good fluidity, testing physicals through being shaped, after maintenance and thermal treatment.
(2) quantitative measurement:
After 110 DEG C × 24h is dried, folding strength 21.4MPa, compressive strength 164.9MPa;
After 1200 DEG C × 3H process, folding strength 19.5MPa, compressive strength 150.8MPa;
After 1450 DEG C × 3H process, folding strength 20.2MPa, compressive strength 160.5MPa.
Embodiment 2
(1) preparation of mould material:
Adopt coarse aggregate 10, middle aggregate accounts for 30, and fine aggregate accounts for 15, binding agent 20, yttrium oxide 10, alumina powder 15, by said ratio, add water after each raw material is weighed companion and, obtaining the slurry of good fluidity, testing physicals through being shaped, after maintenance and thermal treatment.
(2) quantitative measurement:
After 110 DEG C × 24h is dried, folding strength 22.1MPa, compressive strength 165.6MPa;
After 1200 DEG C × 3H process, folding strength 20.6MPa, compressive strength 160.4MPa;
After 1450 DEG C × 3H process, folding strength 21.8MPa, compressive strength 163.8MPa.
As described above, be only preferred embodiment of the present invention, when not limiting scope of the invention process with this, the simple equivalence namely generally done according to the present patent application the scope of the claims and invention description content changes and modifies, and all still remains within the scope of the patent.
Claims (2)
1. a Wear-resistant heat insulation refractory castable, it is characterized in that: comprise coarse aggregate, middle aggregate, fine aggregate, binding agent, silicon powder, alumina powder and yttrium oxide, wherein the parts by weight of above-mentioned raw materials are: coarse aggregate 10 ~ 15, middle aggregate accounts for 25 ~ 30, fine aggregate accounts for 15 ~ 25, binding agent 20 ~ 30, yttrium oxide 5 ~ 10, alumina powder 10 ~ 15; Wherein, coarse aggregate is high grade bauxite; Middle aggregate comprises silicon carbide and zircon, and fine aggregate is high grade bauxite; Wherein, comprise following parts by weight component at binding agent to make: Zirconium oxide fibre 45 ~ 55, Magnesium Silicate q-agent 10 ~ 30, phosphoric acid salt 25 ~ 35.
2. Wear-resistant heat insulation refractory castable according to claim 1, is characterized in that: the size of described coarse aggregate is 3.0 ~ 2.0mm; In described middle aggregate, the size of each component is 1.5mm ~ 1mm; The size of described fine aggregate is 0.5 ~ 0.01mm, and the length of Zirconium oxide fibre is 1.5mm ~ 1mm and width is 1.5mm ~ 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526394.4A CN104311066A (en) | 2014-10-09 | 2014-10-09 | Wear-resisting thermal-insulating refractory castable material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526394.4A CN104311066A (en) | 2014-10-09 | 2014-10-09 | Wear-resisting thermal-insulating refractory castable material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104311066A true CN104311066A (en) | 2015-01-28 |
Family
ID=52366416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410526394.4A Pending CN104311066A (en) | 2014-10-09 | 2014-10-09 | Wear-resisting thermal-insulating refractory castable material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104311066A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164276A (en) * | 2018-03-12 | 2018-06-15 | 合肥铭佑高温技术有限公司 | A kind of fireclay insulating refractory and preparation method thereof |
| CN108424156A (en) * | 2018-04-27 | 2018-08-21 | 武汉科技大学 | A kind of heat insulation and wear resistance castable and preparation method thereof |
| CN109678537A (en) * | 2019-01-25 | 2019-04-26 | 江苏长城窑炉工程有限公司 | A kind of high-temperature-resistant and anti-corrosion mullite silicon carbide cast preparation method for material |
| CN111285697A (en) * | 2020-04-09 | 2020-06-16 | 郑州正仟新材料有限公司 | Ceramic composite wear-resistant castable |
| CN112008829A (en) * | 2020-09-21 | 2020-12-01 | 成都展新电熔耐火材料有限公司 | Production process of integral refractory brick and refractory brick prepared by production process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553680A (en) * | 2013-10-31 | 2014-02-05 | 宁夏天纵泓光余热发电技术有限公司 | Wearable refractory castable |
-
2014
- 2014-10-09 CN CN201410526394.4A patent/CN104311066A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553680A (en) * | 2013-10-31 | 2014-02-05 | 宁夏天纵泓光余热发电技术有限公司 | Wearable refractory castable |
Non-Patent Citations (1)
| Title |
|---|
| 胡利明等: "氧化锆纤维及其制品", 《人工晶体学报》, vol. 38, no. 1, 28 February 2009 (2009-02-28), pages 265 - 270 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164276A (en) * | 2018-03-12 | 2018-06-15 | 合肥铭佑高温技术有限公司 | A kind of fireclay insulating refractory and preparation method thereof |
| CN108424156A (en) * | 2018-04-27 | 2018-08-21 | 武汉科技大学 | A kind of heat insulation and wear resistance castable and preparation method thereof |
| CN109678537A (en) * | 2019-01-25 | 2019-04-26 | 江苏长城窑炉工程有限公司 | A kind of high-temperature-resistant and anti-corrosion mullite silicon carbide cast preparation method for material |
| CN111285697A (en) * | 2020-04-09 | 2020-06-16 | 郑州正仟新材料有限公司 | Ceramic composite wear-resistant castable |
| CN112008829A (en) * | 2020-09-21 | 2020-12-01 | 成都展新电熔耐火材料有限公司 | Production process of integral refractory brick and refractory brick prepared by production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102491770B (en) | Wear-resisting castable refractory | |
| CN103553688B (en) | High-strength abrasion-proof refractory castable | |
| CA2794146C (en) | Refractory composition and process for forming article therefrom | |
| CN105481394A (en) | Low-cost wear-resisting and fire-resisting pouring material | |
| CN103539473A (en) | Mullite refractory castable | |
| CN104311066A (en) | Wear-resisting thermal-insulating refractory castable material | |
| CN103724026B (en) | Magnesium carbon-based castable | |
| CN104496493B (en) | A kind of high temp durable composite aluminum magnesium green brick and preparation method thereof | |
| CN103539471B (en) | Steel fiber reinforced wear-resisting castable for fluidized bed boiler | |
| JP2015531740A (en) | Refractory composition and method for producing articles therefrom | |
| CN105254319B (en) | A kind of castable of feeding chamber preformed bricks and preparation method thereof | |
| CN104311057B (en) | High-strength corrosion-resistant erosion castable refractory | |
| CN103833386B (en) | High abrasion siliceous mullite brick and preparation method thereof | |
| CN104045361B (en) | Aluminium silicon sol mixed binding aluminium silicon carbide mould material and preparation method thereof | |
| CN104261848A (en) | Chrome-oxide-containing mullite brick and preparation method thereof | |
| CN103332940A (en) | Semi-rebonded magnesite-chrome brick for copper smelter and preparation method thereof | |
| CN103553670B (en) | Ultramicron powder refractory castable | |
| CN104311056B (en) | Mullite fiber castable refractory | |
| CN103553680A (en) | Wearable refractory castable | |
| CN103833387B (en) | High abrasion silicon mullite red brick and preparation technology thereof | |
| CN104557078A (en) | High-density thermal-shock-resistant refractory castable for hot metal ladle | |
| CN102584301B (en) | Method for preparing zirconium oxide sizing nozzle | |
| CN104150922B (en) | forsterite coating | |
| CN102887713B (en) | A kind of low heat conductivity siliceous mullite brick and preparation method thereof | |
| CN104311053A (en) | High-strength washing-resistant castable material for tundish of continuous casting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150128 |