CN105948718A - Low-pore periclase-composite spinel bricks and preparation method therefor - Google Patents
Low-pore periclase-composite spinel bricks and preparation method therefor Download PDFInfo
- Publication number
- CN105948718A CN105948718A CN201610271707.5A CN201610271707A CN105948718A CN 105948718 A CN105948718 A CN 105948718A CN 201610271707 A CN201610271707 A CN 201610271707A CN 105948718 A CN105948718 A CN 105948718A
- Authority
- CN
- China
- Prior art keywords
- parts
- periclase
- granularity
- powder
- pore
- 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
Classifications
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses low-pore periclase-composite spinel bricks and a preparation method therefor. The low-pore periclase-composite spinel bricks are prepared from the following raw materials in parts by mass: 15-20 parts of fused magnesite with the granularity of 3mm to 5mm, 35-40 parts of fused magnesite with the granularity of 1mm to 3mm, 10-15 parts of fused magnesite with the granularity of 0.088mm to 1mm, 3-5 parts of corundum micropowder, 1-3 parts of ferrophosphorus powder, 20-25 parts of fused magnesite powder with the granularity d95 smaller than 0.088mm, 1-2 parts of magnesium chloride solution and 1-2 parts of paper pulp solution. The preparation method disclosed by the invention comprises the steps of carrying out material preparing, carrying out mixing, carrying out compressing, carrying out drying, and then, carrying out burning for 6 hours at the temperature of 1,510 DEG C to 1,520 DEG C, thereby obtaining finished products. The low-pore periclase-composite spinel bricks have low-pore, erosion-resisting and thermal-shock-resisting properties and good kiln coating adhering performance and are small in coefficient of thermal conductivity; and the products are applied to calcining zones of cement kilns of cement rotary kilns for co-processing solid wastes, then, the service life of a material of the calcining zones is prolonged, the temperature of a tubular body is lowered, and the actions of saving energy and reducing emission are achieved.
Description
Technical field
The invention belongs to technical field of refractory materials, be specifically related to a kind of low pore periclase-composite spinelle brick and preparation method thereof.
Background technology
At present, urban garbage disposal mainly fill, compost, four kinds of processing modes of burning and gasify.Wherein, the collaborative house refuse that processes of cement rotary kiln is a kind of environmental protection, economy and effective gasification technology, process and the cement production process of industry with domestic waste are effectively combined, both industry and domestic waste had been processed, can partly solve again the cement industry great demand problem to the energy, it is achieved that the resource of waste and old material and recycled.
Cement kiln collaborative process industry and municipal refuse have become as trend.In cement kiln, the research of refractory material is that the key technology processing industry and municipal refuse worked in coordination with by cement kiln.At present, in the urgent need to a kind of corrosion resistance more preferable cement kiln calcining band refractory material.Meanwhile, for increasing the service life, collaborative process the resistance to elevated temperatures that solid refuse cement kiln calcined by rotary kiln band needs to have the corrosion resistance of excellence, thermal shock resistance, ambiance, chemical composition are continually changing.
Summary of the invention
In order to solve above-mentioned technical problem, the technical problem to be solved in the present invention is to provide a kind of low pore periclase-composite spinelle brick and preparation method thereof, has the corrosion resistance of excellence, an advantage such as resistance to elevated temperatures that thermal shock resistance, ambiance, chemical composition are continually changing.
For achieving the above object, the present invention by the following technical solutions: a kind of low pore periclase-composite spinelle brick, be made up of aggregate, powder and bonding agent, in terms of proportion by weight, it is as follows that it prepares raw material:
Aggregate: fused magnesite 15-20 part of granularity 3-5mm, fused magnesite 35-40 part of granularity 1-3mm, fused magnesite 10-15 part of granularity 0.088mm-1；
Powder: granularity d95< electrofusion magnesia powder 20-25 part of 0.088mm, corundum powder 3-5 part, ferrum phosphorus powder 1-3 part；
Bonding agent: magnesium chloride solution 1-2 part, alkaline pulp waste liquid 1-2 part.
In terms of weight/mass percentage composition, the content of MgO >=97wt% in the fused magnesite of described three kinds of size specification, the Al in described corundum powder2O3Content >=98 wt%, the Fe in described ferrum phosphorus powder2O3Content >=99 wt%, the content of MgO >=97wt% in described electrofusion magnesia powder.
The density of magnesium chloride solution is 1.23-1.25g/cm3, the density of alkaline pulp waste liquid is 1.12-1.16g/cm3。
Preparation method: low pore periclase-each raw material of composite spinelle brick is weighed by above proportioning, carry out the most successively dispensing, mix, suppress, drying operation, finally form by a firing and i.e. obtain low pore periclase-composite spinelle brick finished product；Wherein, the temperature of ablating work procedure is 1510-1520 DEG C, and the time fired is 6h.
The present invention compared with prior art has the advantage that the various raw materials that the present invention relates to are marketable material, corundum powder, ferrum phosphorus powder, electrofusion magnesia powder at high temperature in-situ preparation hercynite, magnesium aluminate spinel, magnoferrite；Three kinds of spinelles have good erosion-resisting characteristics, thermal shock resistance；Magnesium chloride solution, reacts with fused magnesite at low temperatures, is conducive to improving the dried intensity of semi-finished product, spent pulping liquor, improves the plasticity of semi-finished product.
The present invention uses fused magnesite, corundum powder and ferrum phosphorus powder to be primary raw material, material situ is made to generate composite spinelle, changing the mode that material tradition spinelle introduces, after high temperature sintering, this product has high temperature resistant, the performance of anti-erosion, anti-thermal shock, low thermal conductivity；This product processes solid refuse cement kiln calcining band for collaborative, improves this part material service life, it is possible to decrease its barrel temperature, reaches the effect of energy-saving and emission-reduction.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, but does not limit protection scope of the present invention.
In following example, raw material specification: in terms of weight/mass percentage composition, MgO >=97wt% in the fused magnesite of three kinds of size specification；Al in corundum powder2O3≥98 wt%；Fe in ferrum phosphorus powder2O3>=99wt%, the content of MgO >=97wt% in electrofusion magnesia powder；The density of magnesium chloride solution is 1.23-1.25g/cm3, the density of spent pulping liquor is 1.16g/cm3。
Embodiment
1
:
Low pore periclase-composite spinelle brick in the present embodiment includes the raw material of following mass parts, in terms of proportion by weight:
Aggregate: the fused magnesite of granularity 3-5mm 18 parts, granularity 1-3mm fused magnesite 38 parts, the fused magnesite of granularity 0.088mm-1 15 parts；
Powder: granularity d95< electrofusion magnesia powder of 0.088mm 25 parts, corundum powder 3 parts, ferrum phosphorus powder 1 part；
Bonding agent: magnesium chloride solution 1.5 parts, spent pulping liquor 1.5 parts.
Preparation method:
Each raw material is weighed by above proportioning, carry out the most successively dispensing, mix, suppress, drying operation, after burn till after 1510 DEG C are fired 6h, obtain low pore periclase-composite spinelle brick finished product, the apparent porosity preparing periclase-composite spinelle brick is 13%, refractoriness under load T0.6> 1700 DEG C, 1100 DEG C of water-cooled >=10 time of thermal shock resistance, heat conductivity is 2.60W/ (m K).
Embodiment
2
:
Low pore periclase-composite spinelle brick in the present embodiment includes the raw material of following mass parts, in terms of proportion by weight:
Aggregate: the fused magnesite of granularity 3-5mm 20 parts, granularity 1-3mm fused magnesite 35 parts, the fused magnesite of granularity 0.088-1mm 13 parts；
Powder: granularity d95< electrofusion magnesia powder of 0.088mm 30 parts, corundum powder 3 parts, ferrum phosphorus powder 1.5 parts；
Bonding agent: magnesium chloride solution 1.5 parts, spent pulping liquor 1.5 parts.
Preparation method:
Each raw material is weighed by above proportioning, carry out the most successively dispensing, mix, suppress, drying operation, after burn till after 1510 DEG C are fired 6h, obtain low pore periclase-composite spinelle brick finished product, prepare the apparent porosity 14% of periclase-composite spinelle brick, refractoriness under load T0.6> 1700 DEG C, 1100 DEG C of water-cooled >=11 time of thermal shock resistance, heat conductivity is 2.62W/ (m K).
Claims (4)
1. one kind low pore periclase-composite spinelle brick, it is characterised in that: being made up of aggregate, powder and bonding agent, in terms of proportion by weight, it is as follows that it prepares raw material:
Aggregate: fused magnesite 15-20 part of granularity 3-5mm, fused magnesite 35-40 part of granularity 1-3mm, fused magnesite 10-15 part of granularity 0.088mm-1；
Powder: granularity d95< electrofusion magnesia powder 20-25 part of 0.088mm, corundum powder 3-5 part, ferrum phosphorus powder 1-3 part；
Bonding agent: magnesium chloride solution 1-2 part, alkaline pulp waste liquid 1-2 part.
Low pore periclase-composite spinelle brick the most according to claim 1, it is characterised in that: in terms of weight/mass percentage composition, the content of MgO >=97wt% in the fused magnesite of described three kinds of size specification, the Al in described corundum powder2O3Content >=98 wt%, the Fe in described ferrum phosphorus powder2O3Content >=99 wt%, the content of MgO >=97wt% in described electrofusion magnesia powder.
Low pore periclase-composite spinelle brick the most according to claim 1, it is characterised in that: the density of magnesium chloride solution is 1.23-1.25g/cm3, the density of alkaline pulp waste liquid is 1.12-1.16g/cm3。
4. the method for the low pore periclase-composite spinelle brick prepared as described in any one of claim 1-3, it is characterized in that: low pore periclase-each raw material of composite spinelle brick is weighed by above proportioning, carry out the most successively dispensing, mix, suppress, drying operation, finally form by a firing and i.e. obtain low pore periclase-composite spinelle brick finished product；Wherein, the temperature of ablating work procedure is 1510-1520 DEG C, and the time fired is 6h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610271707.5A CN105948718A (en) | 2016-04-28 | 2016-04-28 | Low-pore periclase-composite spinel bricks and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610271707.5A CN105948718A (en) | 2016-04-28 | 2016-04-28 | Low-pore periclase-composite spinel bricks and preparation method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105948718A true CN105948718A (en) | 2016-09-21 |
Family
ID=56916615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610271707.5A Pending CN105948718A (en) | 2016-04-28 | 2016-04-28 | Low-pore periclase-composite spinel bricks and preparation method therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105948718A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483020A (en) * | 2019-09-06 | 2019-11-22 | 郑州瑞泰耐火科技有限公司 | A kind of preparation method of high resistance to corrosion mafic spinel brick |
| CN111960805A (en) * | 2020-07-28 | 2020-11-20 | 河南工业大学 | Thermal shock resistant magnesium sliding brick and production method thereof |
| CN113354396A (en) * | 2021-06-15 | 2021-09-07 | 郑州海迈高温材料研究院有限公司 | Production method of periclase brick for regenerator of large float glass melting furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066877A (en) * | 2007-06-07 | 2007-11-07 | 武汉科技大学 | Periclase-ferroalumina spinal brick and its making process |
| CN103864433A (en) * | 2014-02-21 | 2014-06-18 | 武汉科技大学 | Periclase-magnesium aluminate spinel refractory material for rotary cement kiln and preparation method thereof |
| CN105130471A (en) * | 2015-09-09 | 2015-12-09 | 郑州瑞泰耐火科技有限公司 | Magnesium-aluminum-iron spinel brick and preparation method thereof |
-
2016
- 2016-04-28 CN CN201610271707.5A patent/CN105948718A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066877A (en) * | 2007-06-07 | 2007-11-07 | 武汉科技大学 | Periclase-ferroalumina spinal brick and its making process |
| CN103864433A (en) * | 2014-02-21 | 2014-06-18 | 武汉科技大学 | Periclase-magnesium aluminate spinel refractory material for rotary cement kiln and preparation method thereof |
| CN105130471A (en) * | 2015-09-09 | 2015-12-09 | 郑州瑞泰耐火科技有限公司 | Magnesium-aluminum-iron spinel brick and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483020A (en) * | 2019-09-06 | 2019-11-22 | 郑州瑞泰耐火科技有限公司 | A kind of preparation method of high resistance to corrosion mafic spinel brick |
| CN111960805A (en) * | 2020-07-28 | 2020-11-20 | 河南工业大学 | Thermal shock resistant magnesium sliding brick and production method thereof |
| CN113354396A (en) * | 2021-06-15 | 2021-09-07 | 郑州海迈高温材料研究院有限公司 | Production method of periclase brick for regenerator of large float glass melting furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103601507B (en) | A kind of complex sintered refractory material of low porosity magnesium aluminate spinel-zirconia corundum zirconia and production technology thereof | |
| KR102399226B1 (en) | Method for manufacturing porous sintered magnesia, backfill material for manufacturing heavy earth ceramic refractory products containing sintered magnesia granules, product and manufacturing method thereof, lining of industrial furnace, and industrial furnace | |
| CN106116596B (en) | A kind of preparation method of anti-thermal shock cordierite refractory kiln furnitures | |
| CN103570364B (en) | One does not burn Mg-Al spinel brick | |
| CN102795870B (en) | Light-weight magnesia brick and preparation method thereof | |
| CN105481464A (en) | Porous refractory material and preparation method thereof | |
| CN107915474A (en) | A kind of cement kiln clinkering zone mafic spinel brick and preparation method thereof | |
| CN101759229B (en) | Calcium zirconate and magnesia calcium zirconate brick prepared by calcium zirconate for cement kiln | |
| CN101544504A (en) | Phosphate-bonded aluminum silicon carbide brick and preparation method thereof | |
| CN104725058B (en) | Periclase-magnesium ferrum hercynite/forsterite composite brick | |
| CN105272189A (en) | Microporous mullite ceramic separation membrane support and preparation method thereof | |
| CN101734937A (en) | Lightweight spinel refractory bricks and preparation method thereof | |
| CN102344292A (en) | Magnesium-ferrum-aluminum composite spinel brick for large-scale cement kiln and preparation method thereof | |
| CN103204684A (en) | Chromium zirconium corundum mullite brick suitable for burning of waste liquid and wastes of petrochemical industry | |
| CN101857453A (en) | Periclase-hercynite refractory material and preparation method thereof | |
| CN107311626A (en) | A kind of magnesia carbon brick for adding aluminium nitride and preparation method thereof | |
| CN105130471A (en) | Magnesium-aluminum-iron spinel brick and preparation method thereof | |
| CN109574639A (en) | High thermal shock resistance corundum-mullite brick and preparation method thereof | |
| CN106220201A (en) | Cement kiln clinkering zone alundum is combined Chrome-free Mg-Al spinel brick and preparation method | |
| CN107954697A (en) | A kind of magnesia carbon brick for adding boron carbide and preparation method thereof | |
| CN105948718A (en) | Low-pore periclase-composite spinel bricks and preparation method therefor | |
| CN108484203A (en) | A kind of heat insulation brick prepared using waste refractory bricks | |
| CN103896613B (en) | High-iron magnesite and sintered corundum sintered composite non-chromium high-iron magnesium brick and preparation method thereof | |
| CN101450867A (en) | Sintering composite alkaline brick for dry lime rotary kiln and method for producing the same | |
| CN102180690B (en) | Method for producing Al2O3-MgO brick by using Al2O3-MgO-CaO synthetic fireproof raw material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |