CN102863234B - High-alumina refractory attapulgite volcaniclastic-rock brick - Google Patents
High-alumina refractory attapulgite volcaniclastic-rock brick Download PDFInfo
- Publication number
- CN102863234B CN102863234B CN 201210373158 CN201210373158A CN102863234B CN 102863234 B CN102863234 B CN 102863234B CN 201210373158 CN201210373158 CN 201210373158 CN 201210373158 A CN201210373158 A CN 201210373158A CN 102863234 B CN102863234 B CN 102863234B
- Authority
- CN
- China
- Prior art keywords
- attapulgite
- volcanoclastic rock
- rock
- alumina
- alumina firebrick
- 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.)
- Active
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a high-alumina refractory attapulgite volcaniclastic-rock brick. The high-alumina refractory attapulgite volcaniclastic-rock brick in the technical scheme is mainly characterized by comprising highly-viscous attapulgite clay powder, attapulgite clay tailing powder, volcaniclastic rock mixture, high-alumina bauxite, kaolin, coal gangue and bentonite tailings. A finished product of the high-alumina refractory attapulgite volcaniclastic-rock brick is obtained by stirring, pressing, airing, roasting and cooling the ingredients and packaging. The high-alumina refractory attapulgite volcaniclastic-rock brick has the advantages of small high-temperature creep, high erosion resistance and good thermal shock resistance. The high-alumina refractory attapulgite volcaniclastic-rock brick is made of a great quantity of various wastes, so that resource utilization rate is increased beneficially, the wastes turn into wealth, land occupation can be reduced, environmental protection and purification are achieved, energy is saved, and economic benefit is improved. The high-alumina refractory attapulgite volcaniclastic-rock brick is applicable to construction of linings of shaft furnaces, hot-blast heaters, furnace tops of electric furnaces, blast furnaces, reverberating furnaces and rotary kilns.
Description
Technical field
The present invention relates to refractory materials, be specifically related to a kind of Attapulgite volcanoclastic rock alumina firebrick.
Background technology
The raw material types of refractory brick is a lot, forms main minute six classes: soil, stone, sand, ore deposit, powder and other materials, aluminum oxide in the alumina firebrick finished product >=48%.
Mineral Resources in China 80% is intergrowth mineral, and a large amount of valuable resources retain among mine tailing, and tailings impoundment need to take a large amount of soils.A lot of Tailings Dams exceed the time limit or excess load is used, and even violation operation, make Tailings Dam have great potential safety hazard, and people's property and the life security of surrounding area caused to serious threat.
Attapulgite clay, except containing attapulgite, often contains the mineral such as wilkinite, kaolinite, hydromica, sepiolite, quartz, opal and carbonate.
With the volcanoclastic rock that also has of attapulgite clay ore deposit symbiosis, volcanoclastic rock is mostly on the upper strata in attapulgite clay ore deposit, the volcanoclastic rock ore bed on upper strata, some attapulgite clays mining area
'sthickness is up to tens of rice, at attapulgite clay in recovery process, the volcanoclastic rock on upper strata, attapulgite clay mining area is abandoned as waste, investigates factually, 1 ton of attapulgite clay of every exploitation, the volcanoclastic rock produced has more than 30 tons, by the output of producing 150000 tons per year, calculate, the volcanoclastic rock of generation, up to 4,500,000 tons, all can be utilized for many years, whole mining area is the volcanoclastic rock mixture of again piling up everywhere, causes the serious wasting of resources and financial loss.
Coal gangue is thrown aside, takies tract, and sulfide in coal gangue is overflowed or leached can atmosphere pollution, farmland and water body, and waste dump also can the spontaneous combustion presence of fire, or, in the avalanche in rainy season, silts river up and cause disaster.
Summary of the invention
The objective of the invention is to overcome weak point in prior art, a kind of Attapulgite volcanoclastic rock alumina firebrick is provided.
Attapulgite volcanoclastic rock alumina firebrick is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, volcanoclastic rock mixture, alumine, kaolin, coal gangue and wilkinite mine tailing.
The production method of Attapulgite volcanoclastic rock alumina firebrick: by the batching of Attapulgite volcanoclastic rock alumina firebrick through stirring, suppress, dry, roasting and cooling after, be packaged as the finished product of Attapulgite volcanoclastic rock alumina firebrick.
Attapulgite clay be a kind of layer of chain-like structure containing Shuifu County's zeopan clay mineral, attapulgite clay soil property exquisiteness, water-absorbent is strong, tool viscosity and plasticity-when wet, be conducive to the bonding between raw material, can improve the intensity of Attapulgite volcanoclastic rock alumina firebrick.
High sticky attapulgite clay powder refers to gets 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on homogenizer, under the rotating speed of 11000 rev/mins, stir 20 minutes, to pour in the beaker of 250ml through the high-speed stirring sample suspension again the viscosity of using NDJ-1 type rotational viscosimeter to be tested its suspension, tested viscosity value>=2200 into
mPasthe attapulgite clay powder be high sticky attapulgite clay powder, the height that the present invention selects glues attapulgite clay powder particles fineness≤0.074 millimeter.
Attapulgite clay can mix in recovery process a certain amount of rubble and earth, as a kind of mine tailing, abandons, and causes a large amount of wastings of resources, the particle fineness of attapulgite clay mine tailing after the present invention selects and pulverizes≤0.2 millimeter.
Volcanoclastic rock is the rock of the transitional type between magma lava and sedimentogeneous rock, wherein the composition more than 50% is comprised of the material of pyroclastic flow ejection, and these tephras are mainly the lava of premature coagulation on volcano, the rock formation that passage is burst on every side when volcanic eruption.The volcanoclastic rock mixture comprises landwaste, brilliant bits, glassiness bits, slurry bits, volcanic block (diameter is greater than 100 millimeters), volcanic gravel (diameter is greater than 2 millimeters) and volcanic ash (diameter is less than 2 millimeters), the volcanoclastic rock main chemical compositions is silicon-dioxide and aluminum oxide, there is fire performance and the intensity that increases Attapulgite volcanoclastic rock alumina firebrick preferably, the particle fineness of volcanoclastic rock mixture after the present invention selects and pulverizes≤1.0 millimeters.
The alumine essential mineral is comprised of diaspore and high alumina silica, the content of aluminum oxide >=50%, the particle fineness of alumine after the present invention selects and pulverizes≤0.2 millimeter.
The content of Alumina from Kaolin >=45%, there is plasticity-preferably, high cohesiveness, good electrical insulation capability, good antiacid dissolubility and the physico-chemical property such as resistivity against fire preferably, kaolinic particle fineness after the present invention selects and pulverizes≤0.074 millimeter are arranged.
Coal gangue is the solid waste discharged in coal mining process and coal washing process, there is lower heating value, carbon containing 20～30%, the present invention uses coal gangue can save part coal, increase the content of aluminum oxide, improve the intensity of alumina firebrick, the particle fineness of coal gangue after the present invention selects and pulverizes≤0.20 millimeter.
The rock that wilkinite mainly is comprised of montmorillonite, it is the important raw mineral materials of field of metallurgy, the wilkinite mine tailing that the present invention selects is distributed in the lower floor in attapulgite clay ore deposit mostly, be difficult to carry out independent exploitation, but the content of aluminum oxide >=16% in the wilkinite mine tailing, and there is plasticity-and agglutinating value(of coal), the particle fineness of wilkinite mine tailing after the present invention selects and pulverizes≤0.2 millimeter.
The present invention is achieved by following technical proposals:
1, the batching of Attapulgite volcanoclastic rock alumina firebrick is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, volcanoclastic rock mixture 10～35%, alumine 10～35%, kaolin 5～30%, coal gangue 2～15%, wilkinite mine tailing 2～15% and water 5～35%;
The production method of described Attapulgite volcanoclastic rock alumina firebrick: (1) the batching of Attapulgite volcanoclastic rock alumina firebrick is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in pressing machine, be pressed into difform Attapulgite volcanoclastic rock alumina firebrick work in-process; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel furnace roasting after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 80～350 ℃, and roasting time is controlled at 2～5 hours; The subordinate phase maturing temperature is controlled at 350～800 ℃, and roasting time is controlled at 2～8 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 2～6 hours; (4) naturally cooling after roasting, be packaged as the finished product of Attapulgite volcanoclastic rock alumina firebrick;
Describedly be pressed into difform Attapulgite volcanoclastic rock alumina firebrick work in-process, refer to the Attapulgite volcanoclastic rock alumina firebrick work in-process that need to be pressed into canonical form, general abnormity, abnormity, special shape according to design.
Described half-finished water ratio per-cent is weight ratio.
Be divided into three phases in Attapulgite volcanoclastic rock alumina firebrick roasting process, be conducive to slowly improve maturing temperature, guarantee the quality of product.
In Attapulgite volcanoclastic rock alumina firebrick, the content of aluminum oxide is high, has that high temperature creep is little, resistance to fouling is strong and the characteristics of good thermal shock stability.
In the batching of Attapulgite volcanoclastic rock alumina firebrick, the various wastes of a large amount of employing, not only be conducive to improve resource utilization, turns waste into wealth, and can also reduce land occupation, and protection and environment purification are saved the energy, reduce production costs, and increase economic efficiency.
Attapulgite volcanoclastic rock alumina firebrick is applicable to build by laying bricks or stones blast furnace, hotblast stove, electric furnace furnace roof, blast furnace, reverberatory furnace, inner liner of rotary kiln.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
1, the batching of Attapulgite volcanoclastic rock alumina firebrick is comprised of following component by weight percentage: high sticky attapulgite clay powder 6%, attapulgite clay mine tailing 8%, volcanoclastic rock mixture 22%, alumine 20%, kaolin 8%, coal gangue 6%, wilkinite mine tailing 4% and water 26%;
The production method of described Attapulgite volcanoclastic rock alumina firebrick: (1) the batching of Attapulgite volcanoclastic rock alumina firebrick is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in pressing machine, be pressed into difform Attapulgite volcanoclastic rock alumina firebrick work in-process; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel furnace roasting after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 80～350 ℃, and roasting time is controlled at 4 hours; The subordinate phase maturing temperature is controlled at 350～800 ℃, and roasting time is controlled at 4 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 5 hours; (4) naturally cooling after roasting, be packaged as the finished product of Attapulgite volcanoclastic rock alumina firebrick;
Describedly be pressed into difform Attapulgite volcanoclastic rock alumina firebrick work in-process, refer to according to design and need to be pressed into special-shaped Attapulgite volcanoclastic rock alumina firebrick work in-process.
Claims (1)
1. an Attapulgite volcanoclastic rock alumina firebrick, it is characterized in that, the batching of Attapulgite volcanoclastic rock alumina firebrick is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, volcanoclastic rock mixture 10～35%, alumine 10～35%, kaolin 5～30%, coal gangue 2～15%, wilkinite mine tailing 2～15% and water 5～35%;
The production method of described Attapulgite volcanoclastic rock alumina firebrick: (1) the batching of Attapulgite volcanoclastic rock alumina firebrick is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in pressing machine, be pressed into difform Attapulgite volcanoclastic rock alumina firebrick work in-process; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel furnace roasting after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 80～350 ℃, and roasting time is controlled at 2～5 hours; The subordinate phase maturing temperature is controlled at 350～800 ℃, and roasting time is controlled at 2～8 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 2～6 hours; (4) naturally cooling after roasting, be packaged as the finished product of Attapulgite volcanoclastic rock alumina firebrick;
Describedly be pressed into difform Attapulgite volcanoclastic rock alumina firebrick work in-process, refer to the Attapulgite volcanoclastic rock alumina firebrick work in-process that need to be pressed into canonical form, general abnormity, abnormity, special shape according to design;
The sticky attapulgite clay powder of described height refers to gets 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add again 372g water, the suspension cup is placed on homogenizer, under the rotating speed of 11000 rev/mins, stir 20 minutes, to pour in the beaker of 250mL through the high-speed stirring sample suspension again the viscosity of using NDJ-1 type rotational viscosimeter to be tested its suspension, tested viscosity value>=2200 into
mPasthe attapulgite clay powder be high sticky attapulgite clay powder, the height of selecting glues attapulgite clay powder particles fineness≤0.074 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210373158 CN102863234B (en) | 2012-09-30 | 2012-09-30 | High-alumina refractory attapulgite volcaniclastic-rock brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210373158 CN102863234B (en) | 2012-09-30 | 2012-09-30 | High-alumina refractory attapulgite volcaniclastic-rock brick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102863234A CN102863234A (en) | 2013-01-09 |
| CN102863234B true CN102863234B (en) | 2013-10-16 |
Family
ID=47442405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210373158 Active CN102863234B (en) | 2012-09-30 | 2012-09-30 | High-alumina refractory attapulgite volcaniclastic-rock brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102863234B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000895A (en) * | 2015-07-20 | 2015-10-28 | 常州思宇环保材料科技有限公司 | Preparation method for steel structure fire bricks |
| CN107337461A (en) * | 2017-07-19 | 2017-11-10 | 合肥铭佑高温技术有限公司 | A kind of manufacturing process of environmentally friendly refractory brick |
| CN110064362A (en) * | 2019-05-31 | 2019-07-30 | 四川风林卓越环保科技有限公司 | A kind of high-efficient oil smoke binding molecule sieve and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515784A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Spherical attapulgite refractory ceramsite |
| CN102515785A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Unburned spheroidal attapulgite fire-resistant ceramic grain |
| CN102515786A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Gravel-shaped attapulgite fireproof ceramsite |
-
2012
- 2012-09-30 CN CN 201210373158 patent/CN102863234B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515784A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Spherical attapulgite refractory ceramsite |
| CN102515785A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Unburned spheroidal attapulgite fire-resistant ceramic grain |
| CN102515786A (en) * | 2011-11-10 | 2012-06-27 | 许庆华 | Gravel-shaped attapulgite fireproof ceramsite |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102863234A (en) | 2013-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102863234B (en) | High-alumina refractory attapulgite volcaniclastic-rock brick | |
| CN102863229B (en) | Basic refractory attapulgite volcaniclastic-rock aggregate sand | |
| CN102863239B (en) | Attapulgite volcaniclastic rock high alumina refractory aggregate sand | |
| CN102863244B (en) | High-alumina attapulgite volcaniclastic-rock raw material powder | |
| CN102875168B (en) | Attapulgite and pyroclastic rock basic firebrick | |
| CN102863245B (en) | High-alumina attapulgite volcaniclastic-rock chamotte powder | |
| CN102863228B (en) | Attapulgite volcaniclastic rock heat insulation firebrick | |
| CN102951910B (en) | Attapulgite-volcaniclastic-rock schamotte brick | |
| CN102875164B (en) | Siliceous attapulgite volcaniclastic refractory brick | |
| CN102863238B (en) | Method for producing attapulgite volcaniclastic rock siliceous refractory aggregate | |
| CN102875166B (en) | Attapulgite and pyroclastic rock basic clinker powder | |
| CN102924054B (en) | Attapulgite shale construction waste sintering porous brick | |
| CN102863232B (en) | Silicious refractory attapulgite volcaniclastic-rock aggregate sand | |
| CN102863241B (en) | Production method of basic refractory attapulgite volcaniclastic-rock aggregate | |
| CN102863243B (en) | Production method of high-alumina refractory attapulgite volcaniclastic-rock aggregate | |
| CN102898177B (en) | Attapulgite-shale refractory sintered porous brick | |
| CN102875163B (en) | Basic attapulgite volcaniclastic raw material powder | |
| CN102863231B (en) | Argillaceous attapulgite volcaniclastic-rock chamotte powder | |
| CN102875172B (en) | Production method of heat-insulating attapulgite volcaniclastic refractory aggregate | |
| CN102875169B (en) | Attapulgite and pyroclastic rock heat-insulating refractory aggregate | |
| CN102863235A (en) | Method for producing attapulgite volcaniclastic rock light refractory aggregate | |
| CN102863237A (en) | Argillaceous refractory attapulgite volcaniclastic-rock aggregate sand | |
| CN102863246A (en) | Light refractory attapulgite volcaniclastic-rock aggregate sand | |
| CN102875170B (en) | Attapulgite and pyroclastic rock heat-insulating clinker powder | |
| CN102863233B (en) | Silicious attapulgite volcaniclastic-rock raw material powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANTONG HONGFENG ELECTROMECHANICS CO., LTD. Free format text: FORMER OWNER: XU QINGHUA Effective date: 20131113 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 211700 HUAIAN, JIANGSU PROVINCE TO: 226300 NANTONG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131113 Address after: 226300 Tongzhou District, Nantong, stone Port Industrial Park, No. 89, No. Patentee after: Nantong Hongfeng Electromechanical Co., Ltd. Address before: 211700 Huaian City, Jiangsu province Xuyi County Xu town of Stonebridge Road No. 40 Patentee before: Xu Qinghua |