CN102924102B - Attapulgite and shale sintered refractory heat-preserving brick - Google Patents
Attapulgite and shale sintered refractory heat-preserving brick Download PDFInfo
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- CN102924102B CN102924102B CN 201210475035 CN201210475035A CN102924102B CN 102924102 B CN102924102 B CN 102924102B CN 201210475035 CN201210475035 CN 201210475035 CN 201210475035 A CN201210475035 A CN 201210475035A CN 102924102 B CN102924102 B CN 102924102B
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Abstract
The invention discloses an attapulgite and shale sintered refractory heat-preserving brick which is technically characterized in that the components comprise high-viscosity attapulgite clay powder, attapulgite clay tailing powder, shale powder, high bauxite powder, pyroclastic rock mixture, bentonite tailing powder, diatomaceous earth tailing powder and straw powder. The attapulgite and shale sintered refractory heat-preserving brick is prepared according to the following steps: stirring the components uniformly, conveying the components into a double-stage vacuum brick making machine, extruding and forming in vacuum, cutting the adobe to obtain the semi-finished product, airing the semi-finished product naturally, conveying into a tunnel kiln, and sintering into the finished product which is the attapulgite and shale sintered refractory heat-preserving brick. The attapulgite and shale sintered refractory heat-preserving brick has the characteristics of high strength, heat preservation, energy saving, heat and sound insulation, fire resistance and flame retardance. As the components comprise a large amount of waste, the utilization rate of resources is improved, the waste is changed into things of value, less land is occupied, the environment is protected and purified, and the energy is saved. The attapulgite and shale sintered refractory heat-preserving brick is suitable for the wall construction of the refractory heat-preserving engineering.
Description
Technical field
The present invention relates to building material field, be specifically related to the fire-resistant sintering heat-reserving brick of a kind of Attapulgite shale.
Background technology
Novel wall material mainly refers to take the material of construction that the non-clay resources such as sandstone, shale, industrial solid waste residue, the remaining soil of building are the starting material mechanization production; there is protection soil, protection of the environment, save energy, utilize refuse, gain in strength and the characteristic such as economic and practical; shale brick is compared with clay solid brick; sharpest edges are that its production does not damage arable land and energy consumption is lower, meet national technical development policy.
Shale is by clay, in earth movement, to be pushed and the rock that forms, there is laminated or laminar bedding, impact easy splinter with hard thing, shale does not have viscosity, and plasticity-and water-permeable are all very poor, just can be processed into shale building block after need to pulverizing very carefully by block shale, otherwise dried shale green bricks crackle is many, and can produce explosion in sintering process, fraction defective is higher, has increased production cost.
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 montmorillonite, kaolinite, hydromica, sepiolite, quartz, opal and carbonate.
The volcanoclastic rock that also has with the symbiosis of attapulgite clay ore deposit, volcanoclastic rock is mostly on the upper strata in attapulgite clay ore deposit, the thickness of the volcanoclastic rock ore bed on upper strata, some attapulgite clays mining area is up to tens of rice, attapulgite clay is in recovery process, the volcanoclastic rock on upper strata, attapulgite clay mining area is abandoned as waste, investigate factually, the volcanoclastic rock that 1 ton of attapulgite clay of every exploitation produces has more than 30 tons, by the output of producing 150000 tons per year, calculate, the volcanoclastic rock produced is 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, cause 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, provide a kind of Attapulgite shale fire-resistant sintering heat-reserving brick.
The batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, shale powder, alumine powder, volcanoclastic rock mixture, wilkinite mine tailing, diatomite mine tailing and straw powder.
The production method of the fire-resistant sintering heat-reserving brick of Attapulgite shale: be transported in Double-stage vacuum brick making machine after the batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale is stirred, cut the work in-process that base is the fire-resistant sintering heat-reserving brick of Attapulgite shale after extrusion under vacuum, be transported to the finished product that tunnel kiln sintering becomes the fire-resistant sintering heat-reserving brick of Attapulgite shale after naturally drying.
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 intensity and the porosity of the fire-resistant sintering heat-reserving brick of Attapulgite shale.
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, can't be sieved, and as a kind of mine tailing, abandons, and causes a large amount of wastings of resources, and the present invention selects the attapulgite clay mine tailing after pulverizing, particle fineness≤0.105 millimeter.
Shale is a kind of sedimentogeneous rock, and complicated component, but the joint that all has thin laminated or thin slice stratiform are mainly the rocks formed through pressure and temperature by the clay deposition, but wherein mix chip and other chemical substances that quartz, feldspar are arranged.According to the composition of its tramp material, can be divided into: calcareous shale, irony shale, siliceous shale, carbonaceous shale, black shale, oil shale etc.The present invention selects the shale powder after pulverizing, particle fineness≤0.105 millimeter.
The alumine essential mineral is comprised of diaspore and high alumina silica, the content of aluminum oxide >=50%, and the present invention selects the alumine powder after pulverizing, particle fineness≤0.105 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, volcanic gravel and volcanic ash, volcanoclastic rock can increase the intensity of the fire-resistant sintering heat-reserving brick of Attapulgite shale, the present invention selects the volcanoclastic rock mixture after pulverizing, particle fineness≤0.15 millimeter.
Wilkinite has plasticity-and agglutinating value(of coal), and the wilkinite mine tailing that the present invention selects is distributed in the lower floor in attapulgite clay ore deposit mostly, is difficult to carry out independent exploitation, quality is also poor, major part is abandoned in the mine tailing district, and the present invention selects the wilkinite mine tailing after pulverizing, particle fineness≤0.105 millimeter.
Diatomite is fine and smooth, loose, light weight, porous, specific surface area is large, and space is regular distribution, stable chemical nature, it is a kind of natural nano aperture amorphous silicon material, but diatomite is made a low multiple use, most products come from one-level soil, and two, three grades of soil are discarded in a large number, caused serious waste of resources, also polluted environment, the present invention selects the diatomite mine tailing after pulverizing, particle fineness≤0.105 millimeter.
Stalk is the general name of ripe farm crop cauline leaf (fringe) part, is often referred to wheat, paddy rice, corn, potato class, oil plant, cotton, sugarcane and other farm crop remainder after the results seed.It is in order to increase the porosity of the fire-resistant sintering heat-reserving brick of Attapulgite shale that the present invention adopts straw powder, the fire-resistant sintering heat-reserving brick of Attapulgite shale is in roasting process, straw burning in insulation blocks is ashes, form a large amount of micropores, the present invention selects the straw powder after pulverizing, particle fineness≤1.0 millimeter.
The present invention is achieved by following technical proposals:
1, the batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, shale powder 10～30%, alumine powder 5～25%, volcanoclastic rock mixture 2～15%, wilkinite mine tailing 2～15%, diatomite mine tailing 2～10%, straw powder 1～10% and water 5～35%;
The production method of the fire-resistant sintering heat-reserving brick of described Attapulgite shale: (1) the batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in Double-stage vacuum brick making machine, cut the work in-process that base is the fire-resistant sintering heat-reserving brick of Attapulgite shale after extrusion under vacuum; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel roasting in kilns after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 30～300 ℃, and roasting time is controlled at 2～8 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 2～15 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 2～10 hours; (4) naturally cooling after sintering, be packaged as the finished product of the fire-resistant sintering heat-reserving brick of Attapulgite shale;
Described half-finished water ratio per-cent is weight ratio.
Be divided into three phases in the fire-resistant sintering heat-reserving brick roasting process of Attapulgite shale, be conducive to slowly improve maturing temperature, prevent that the fire-resistant sintering heat-reserving brick of Attapulgite shale from producing explosion, guarantees the quality of product.
The fire-resistant sintering heat-reserving brick of Attapulgite shale has that intensity is good, the characteristics of heat preservation energy-saving, sound-insulating and heat-insulating and fire protection flame retarding, and quality meets the standard-required of " GB 26538-2011 sintering heat-reserving brick and insulation blocks ".
In the batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale, 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.
The fire-resistant sintering heat-reserving brick of Attapulgite shale is applicable to the wall construction of fire resistant heat preserving engineering
.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
1, the batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale is comprised of following component by weight percentage: high sticky attapulgite clay powder 5%, attapulgite clay mine tailing 13%, shale powder 24%, alumine powder 14%, volcanoclastic rock mixture 8%, wilkinite mine tailing 6%, diatomite mine tailing 3%, straw powder 2% and water 25%;
The production method of the fire-resistant sintering heat-reserving brick of described Attapulgite shale: (1) the batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in Double-stage vacuum brick making machine, cut the work in-process that base is the fire-resistant sintering heat-reserving brick of Attapulgite shale after extrusion under vacuum; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel roasting in kilns after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 30～300 ℃, and roasting time is controlled at 4 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 5 hours; The phase III maturing temperature is controlled at 800～1050 ℃, and roasting time is controlled at 3 hours; (4) naturally cooling after sintering, be packaged as the finished product of the fire-resistant sintering heat-reserving brick of Attapulgite shale.
Claims (1)
1. the fire-resistant sintering heat-reserving brick of Attapulgite shale, it is characterized in that, the batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale is comprised of following component by weight percentage: high sticky attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, shale powder 10～30%, alumine powder 5～25%, volcanoclastic rock mixture 2～15%, wilkinite mine tailing 2～15%, diatomite mine tailing 2～10%, straw powder 1～10% and water 5～35%;
The production method of the fire-resistant sintering heat-reserving brick of described Attapulgite shale: (1) the batching of the fire-resistant sintering heat-reserving brick of Attapulgite shale is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in Double-stage vacuum brick making machine, cut the work in-process that base is the fire-resistant sintering heat-reserving brick of Attapulgite shale after extrusion under vacuum; (2) work in-process are sent into to dry in room and carried out nature and dry, be transported to the tunnel roasting in kilns after half-finished water ratio≤15%; (3) be divided into three phases in roasting process: the first stage maturing temperature is controlled at 30～300 ℃, and roasting time is controlled at 2～8 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 2～15 hours; The phase III maturing temperature is controlled at 800～1150 ℃, and roasting time is controlled at 2～10 hours; (4) naturally cooling after sintering, be packaged as the finished product of the fire-resistant sintering heat-reserving brick of Attapulgite shale;
Described half-finished water ratio per-cent is weight ratio;
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.
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| CN 201210475035 CN102924102B (en) | 2012-11-22 | 2012-11-22 | Attapulgite and shale sintered refractory heat-preserving brick |
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| CN 201210475035 CN102924102B (en) | 2012-11-22 | 2012-11-22 | Attapulgite and shale sintered refractory heat-preserving brick |
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| CN102924102B true CN102924102B (en) | 2013-10-09 |
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| CN106116538B (en) * | 2016-06-29 | 2018-10-26 | 浙江康星新材料科技股份有限公司 | A kind of preparation method of the refractory brick of absorbable dust particles |
| CN115849879A (en) * | 2022-11-24 | 2023-03-28 | 慧迈材料科技(广东)有限公司 | Attapulgite-based/alumina clay brick and preparation method and application thereof |
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| JP2001316170A (en) * | 2000-05-08 | 2001-11-13 | Nippon Steel Corp | Carbon containing refractory and kiln using the same |
| CN101362650A (en) * | 2007-08-07 | 2009-02-11 | 徐进清 | Semi-silicium heat preserving heat insulation refractory product and preparation method thereof |
| CN102020473A (en) * | 2009-09-23 | 2011-04-20 | 洛阳利尔耐火材料有限公司 | Wet refractory mortar and preparation method thereof |
| CN101712553A (en) * | 2009-10-28 | 2010-05-26 | 郑州真金耐火材料有限责任公司 | Production method of high refractorinees-under-load softening anti-strip high-alumina brick |
| CN101698615A (en) * | 2009-11-09 | 2010-04-28 | 寿阳县明鑫铝矾耐火材料有限公司 | High alumina refractory brick for casting |
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Owner name: NANTONG ZIXIN INDUSTRY CO., LTD. Free format text: FORMER OWNER: XUYI COUNTY DONGQIANG NEW BUILDING MATERIALS FACTORY Effective date: 20141115 |
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Effective date of registration: 20141115 Address after: Tongzhou District Shi Gang Zhen Mi Shi Qiao Road 226100 Jiangsu city of Nantong province No. 2 Patentee after: Nantong Zixin Industrial Co.,Ltd. Address before: 211700 Huaian city goussen Mo Jian village in Jiangsu province Xuyi County Township Patentee before: Xuyi County Dongqiang New Building Materials Factory |