CN102875164B - Siliceous attapulgite volcaniclastic refractory brick - Google Patents
Siliceous attapulgite volcaniclastic refractory brick Download PDFInfo
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- CN102875164B CN102875164B CN2012103730810A CN201210373081A CN102875164B CN 102875164 B CN102875164 B CN 102875164B CN 2012103730810 A CN2012103730810 A CN 2012103730810A CN 201210373081 A CN201210373081 A CN 201210373081A CN 102875164 B CN102875164 B CN 102875164B
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- Prior art keywords
- attapulgite
- fire resistant
- volcanoclastic rock
- siliceous
- resistant brick
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- 229960000892 attapulgite Drugs 0.000 title claims abstract description 79
- 229910052625 palygorskite Inorganic materials 0.000 title claims abstract description 79
- 239000011449 brick Substances 0.000 title claims abstract description 51
- 239000011435 rock Substances 0.000 claims abstract description 60
- 239000004927 clay Substances 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000011022 opal Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000011044 quartzite Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 98
- 239000000377 silicon dioxide Substances 0.000 claims description 47
- 230000009970 fire resistant effect Effects 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 2
- 238000009775 high-speed stirring Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 8
- 239000004615 ingredient Substances 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 239000011820 acidic refractory Substances 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 2
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 2
- 206010006895 Cachexia Diseases 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000004523 agglutinating effect Effects 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- CRPOUZQWHJYTMS-UHFFFAOYSA-N dialuminum;magnesium;disilicate Chemical compound [Mg+2].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] CRPOUZQWHJYTMS-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- -1 hydromica Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000016318 wasting Diseases 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a siliceous attapulgite volcaniclastic refractory brick. The technical scheme includes that the siliceous attapulgite volcaniclastic refractory brick is made of high-viscosity attapulgite clay powder, attapulgite clay tailings, volcaniclastic rock mixture, quartzite, waste siliceous bricks, opal and bentonite tailings. A finished product of the siliceous attapulgite volcaniclastic refractory brick is made by uniformly stirring the ingredients, pressing, airing, calcining, cooling and packaging. The siliceous attapulgite volcaniclastic refractory brick has the advantages of high particle strength, high resistance to acidic slag, high thermal shock stability and high refractoriness. The siliceous attapulgite volcaniclastic refractory brick is made of a great quantity of various wastes, so that resource utilization rate is increased beneficially, the wastes are turned into wealth, land occupation can be reduced, environmental protection and purification are achieved, energy is saved, production cost is lowered, and economic benefit is improved. Further, the siliceous attapulgite volcaniclastic refractory brick is applicable to acidic refractory engineering.
Description
Technical field
The present invention relates to refractory materials, be specifically related to a kind of Attapulgite volcanoclastic rock silica fire resistant brick.
Background technology
Refractory materials mainly be take the natural crystals such as bauxitic clay, silica, magnesite, rhombspar and is manufactured and form after processing as raw material.
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 50 tons, by the output of producing 150000 tons per year, calculate, the volcanoclastic rock of generation, up to 7,500,000 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.
Summary of the invention
The objective of the invention is to overcome weak point in prior art, a kind of Attapulgite volcanoclastic rock silica fire resistant brick is provided.
Attapulgite volcanoclastic rock silica fire resistant brick is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, volcanoclastic rock mixture, quartzite, useless silica brick, opal and wilkinite mine tailing.
The production method of Attapulgite volcanoclastic rock silica fire resistant brick: by the batching of Attapulgite volcanoclastic rock silica fire resistant brick through stirring, suppress, dry, roasting and cooling after, be packaged as the finished product of Attapulgite volcanoclastic rock silica fire resistant brick.
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 silica fire resistant brick.
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 attapulgite clay 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 silica fire resistant brick preferably, the particle fineness of volcanoclastic rock mixture after the present invention selects and pulverizes≤1.0 millimeters.
The rock that quartzite mainly is comprised of quartzy (more than 85%), can be divided into silicilyte and metaquartzite by the origin cause of formation, and rock hardness is large, intensity is high, and the very high refractoriness of tool, quartzitic particle fineness after the present invention selects and pulverizes≤0.2 millimeter.
Useless silica brick is the waste refractory materials after pit kiln, iron-making heat wind furnace and glass melter overhaul or dismounting, silica brick is that SiO2 content is at the acid refractory product more than 93%, main mine is tridymite and cristobalite and a small amount of residual quartz and glassy phase mutually, the particle fineness of useless silica brick after the present invention selects and pulverizes≤0.5 millimeter.
Opal and attapulgite clay symbiosis, that attapulgite clay is difficult to a kind of hard rock of rejecting in recovery process, the opal major ingredient is SiO2, as a kind of waste bulk deposition in the attapulgite clay mining area, opaline particle fineness after the present invention selects and pulverizes≤0.5 millimeter.
The rock that wilkinite mainly is comprised of wilkinite, 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), opaline particle fineness 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 silica fire resistant brick is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～10%, attapulgite clay mine tailing 5～20%, volcanoclastic rock mixture 15～30%, quartzite 5～20%, useless silica brick 5～20%, opal 2～10%, wilkinite mine tailing 2～10% and water 5～35%;
The production method of described Attapulgite volcanoclastic rock silica fire resistant brick: (1) the batching of Attapulgite volcanoclastic rock silica fire resistant brick 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 silica fire resistant brick 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 silica fire resistant brick;
Describedly be pressed into difform Attapulgite volcanoclastic rock silica fire resistant brick work in-process, refer to the Attapulgite volcanoclastic rock silica fire resistant brick 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 silica fire resistant brick roasting process, be conducive to slowly improve maturing temperature, guarantee the quality of product.
Volcanoclastic rock in Attapulgite volcanoclastic rock silica fire resistant brick batching is comprised of the material of volcano stream ejection, through the high melt more than 1200 ℃, roasting of the present invention is that high-temperature is controlled at 800～1150 ℃, just can guarantee that Attapulgite volcanoclastic rock silica fire resistant brick has that granule strength is high, strong to the acid slag resistibility, good thermal shock stability and the high characteristics of refractoriness.
In the batching of Attapulgite volcanoclastic rock silica fire resistant brick, 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 silica fire resistant brick is applicable to acid fire-resistant engineering.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
1, the batching of Attapulgite volcanoclastic rock silica fire resistant brick is comprised of following component by weight percentage: high sticky attapulgite clay powder 5%, attapulgite clay mine tailing 12%, volcanoclastic rock mixture 24%, quartzite 15%, useless silica brick 10%, opal 5%, wilkinite mine tailing 4% and water 25%;
The production method of described Attapulgite volcanoclastic rock silica fire resistant brick: (1) the batching of Attapulgite volcanoclastic rock silica fire resistant brick 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 silica fire resistant brick 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 3 hours; The subordinate phase maturing temperature is controlled at 350～800 ℃, and roasting time is controlled at 6 hours; The phase III maturing temperature is controlled at 800～1050 ℃, and roasting time is controlled at 5 hours; (4) naturally cooling after roasting, be packaged as the finished product of Attapulgite volcanoclastic rock silica fire resistant brick;
Describedly be pressed into difform Attapulgite volcanoclastic rock silica fire resistant brick work in-process, refer to the Attapulgite volcanoclastic rock silica fire resistant brick work in-process that need to be pressed into general abnormity according to design.
Claims (1)
1. an Attapulgite volcanoclastic rock silica fire resistant brick, it is characterized in that, the batching of Attapulgite volcanoclastic rock silica fire resistant brick is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～10%, attapulgite clay mine tailing 5～20%, volcanoclastic rock mixture 15～30%, quartzite 5～20%, useless silica brick 5～20%, opal 2～10%, wilkinite mine tailing 2～10% and water 5～35%;
The production method of described Attapulgite volcanoclastic rock silica fire resistant brick: (1) the batching of Attapulgite volcanoclastic rock silica fire resistant brick 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 silica fire resistant brick 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 silica fire resistant brick;
Describedly be pressed into difform Attapulgite volcanoclastic rock silica fire resistant brick work in-process, refer to the Attapulgite volcanoclastic rock silica fire resistant brick work in-process that need to be pressed into canonical form, general abnormity, abnormity, special shape according to design;
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 of selecting glues attapulgite clay powder particles fineness≤0.074 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103730810A CN102875164B (en) | 2012-09-30 | 2012-09-30 | Siliceous attapulgite volcaniclastic refractory brick |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103730810A CN102875164B (en) | 2012-09-30 | 2012-09-30 | Siliceous attapulgite volcaniclastic refractory brick |
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| Publication Number | Publication Date |
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| CN102875164A CN102875164A (en) | 2013-01-16 |
| CN102875164B true CN102875164B (en) | 2013-12-11 |
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| CN105601302A (en) * | 2015-12-30 | 2016-05-25 | 宜兴市集创新材料科技有限公司 | Coke oven fire-resistant bonding agent |
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| JP5232984B2 (en) * | 2007-07-04 | 2013-07-10 | 荒木窯業株式会社 | Porous brick and method for producing the same |
| CN102515836B (en) * | 2011-11-10 | 2013-04-17 | 许庆华 | Gravel-shaped attapulgite coal ash ceramic grain |
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