CN102924101B - Attapulgite and shale sintered refractory heat-preserving block - Google Patents
Attapulgite and shale sintered refractory heat-preserving block Download PDFInfo
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- CN102924101B CN102924101B CN2012104750281A CN201210475028A CN102924101B CN 102924101 B CN102924101 B CN 102924101B CN 2012104750281 A CN2012104750281 A CN 2012104750281A CN 201210475028 A CN201210475028 A CN 201210475028A CN 102924101 B CN102924101 B CN 102924101B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The invention discloses an attapulgite and shale sintered refractory heat-preserving block which is technically characterized in that the components of the block comprise attapulgite clay tailing powder, shale powder, high bauxite powder, spherical attapulgite refractory ceramsite, pyroclastic rock mixture, bentonite tailing powder, diatomaceous earth tailing powder and straw powder. The attapulgite and shale sintered refractory heat-preserving block is prepared according to the following steps: stirring the components of the block uniformly, conveying into a full-automatic block making machine, pressing into a 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 sinteredrefractory heat-preserving block. The attapulgite and shale sintered refractory heat-preserving block has the characteristics of high strength, heat preservation, energy saving, heat and sound insulation, fire resistance and flame retardance. Because the components of the block provided by the invention include a large amount of waste, the utilization rate of resources is improved, the waste is changed into thing of value, less land is occupied, the environment is protected and purified, and energy is saved. The attapulgite and shale sintered refractory heat-preserving block 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 insulation building block 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 building block 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 building block 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 insulation building block.
The batching of the fire-resistant sintering heat insulation building block of Attapulgite shale is comprised of attapulgite clay mine tailing, shale powder, alumine powder, spherical attapulgite refractory ceramsite, volcanoclastic rock mixture, wilkinite mine tailing, diatomite mine tailing and straw powder.
The production method of the fire-resistant sintering heat insulation building block of Attapulgite shale: be transported in fully-automatic building block forming machine after the batching of the fire-resistant sintering heat insulation building block of Attapulgite shale is stirred, be pressed into the work in-process of the fire-resistant sintering heat insulation building block of Attapulgite shale, be transported to the finished product that tunnel kiln sintering becomes the fire-resistant sintering heat insulation building block 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 insulation building block of Attapulgite shale.
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≤0.15 millimeter.
Spherical attapulgite refractory ceramsite is spheroidal, surface irregularity and hard, there is a large amount of trickle pores inside, be a kind of lightweight, ultimate compression strength is high, thermal conductivity is low, refractoriness is high, stable chemical performance, the fire resistant ceramsites that corrosion-resistant and heat preservation and soundproof is effective, the present invention selects the particle diameter of spherical attapulgite refractory ceramsite≤10.0 millimeters.
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 insulation building block 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≤0.15 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 insulation building block of Attapulgite shale that the present invention adopts straw powder, the fire-resistant sintering heat insulation building block 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 insulation building block of Attapulgite shale is comprised of following component by weight percentage: attapulgite clay mine tailing 5～25%, shale powder 10～30%, alumine powder 5～25%, spherical attapulgite refractory ceramsite 2～15%, volcanoclastic rock mixture 2～12%, wilkinite mine tailing 2～10%, diatomite mine tailing 2～10%, straw powder 1～10% and water 5～35%;
The production method of the fire-resistant sintering heat insulation building block of described Attapulgite shale: (1) the batching of the fire-resistant sintering heat insulation building block of Attapulgite shale is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in fully-automatic building block forming machine, be pressed into the work in-process of the fire-resistant sintering heat insulation building block of Attapulgite shale; (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 insulation building block of Attapulgite shale;
Described half-finished water ratio per-cent is weight ratio;
Described spherical attapulgite refractory ceramsite is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, GBFS, iron tailings powder, colliery powder, bauxite gangue powder and diatomite mine tailing; The production method of spherical attapulgite refractory ceramsite: be spherical attapulgite refractory ceramsite through mixing, granulation, roasting, cooling and screening by the batching of spherical attapulgite refractory ceramsite.
Spherical attapulgite refractory ceramsite is the patent of invention that the inventor applied on November 10th, 2011, China Patent Publication No.: 102515784A, open day: on 06 27th, 2012.
Be divided into three phases in the fire-resistant sintering heat insulation building block roasting process of Attapulgite shale, be conducive to slowly improve maturing temperature, prevent that the fire-resistant sintering heat insulation building block of Attapulgite shale from producing explosion, guarantees the quality of product.
The fire-resistant sintering heat insulation building block 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 insulation building block 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 insulation building block 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 insulation building block of Attapulgite shale is comprised of following component by weight percentage: attapulgite clay mine tailing 16%, shale powder 18%, alumine powder 16%, spherical attapulgite refractory ceramsite 8%, volcanoclastic rock mixture 6%, wilkinite mine tailing 5%, diatomite mine tailing 4%, straw powder 2% and water 25%;
The production method of the fire-resistant sintering heat insulation building block of described Attapulgite shale: (1) the batching of the fire-resistant sintering heat insulation building block of Attapulgite shale is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in fully-automatic building block forming machine, be pressed into the work in-process of the fire-resistant sintering heat insulation building block of Attapulgite shale; (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 5 hours; The subordinate phase maturing temperature is controlled at 300～800 ℃, and roasting time is controlled at 3 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 insulation building block of Attapulgite shale.
Claims (1)
1. the fire-resistant sintering heat insulation building block of Attapulgite shale, it is characterized in that, the batching of the fire-resistant sintering heat insulation building block of Attapulgite shale is comprised of following component by weight percentage: attapulgite clay mine tailing 5～25%, shale powder 10～30%, alumine powder 5～25%, spherical attapulgite refractory ceramsite 2～15%, volcanoclastic rock mixture 2～12%, wilkinite mine tailing 2～10%, diatomite mine tailing 2～10%, straw powder 1～10% and water 5～35%;
The production method of the fire-resistant sintering heat insulation building block of described Attapulgite shale: (1) the batching of the fire-resistant sintering heat insulation building block of Attapulgite shale is added in the two shaft pugmill mixer moved and stirs, be transported to after stirring in fully-automatic building block forming machine, be pressed into the work in-process of the fire-resistant sintering heat insulation building block of Attapulgite shale; (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 insulation building block of Attapulgite shale;
Described half-finished water ratio per-cent is weight ratio;
Described spherical attapulgite refractory ceramsite is comprised of the sticky attapulgite clay powder of height, attapulgite clay mine tailing, GBFS, iron tailings powder, colliery powder, bauxite gangue powder and diatomite mine tailing; The production method of spherical attapulgite refractory ceramsite: be spherical attapulgite refractory ceramsite through mixing, granulation, roasting, cooling and screening by the batching of spherical attapulgite refractory ceramsite.
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| CN2012104750281A CN102924101B (en) | 2012-11-22 | 2012-11-22 | Attapulgite and shale sintered refractory heat-preserving block |
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| CN2012104750281A CN102924101B (en) | 2012-11-22 | 2012-11-22 | Attapulgite and shale sintered refractory heat-preserving block |
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| CN102924101B true CN102924101B (en) | 2013-10-09 |
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| CN107879723A (en) * | 2017-09-30 | 2018-04-06 | 望江县中山新型建材有限公司 | A kind of preparation method of the good fired brick of light thermal-insulation mechanical property |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362650A (en) * | 2007-08-07 | 2009-02-11 | 徐进清 | Semi-silicium heat preserving heat insulation refractory product and preparation method thereof |
| CN101712551A (en) * | 2009-10-28 | 2010-05-26 | 郑州真金耐火材料有限责任公司 | Method for producing silicon mullite abrasive brick |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001316170A (en) * | 2000-05-08 | 2001-11-13 | Nippon Steel Corp | Carbon containing refractory and kiln using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362650A (en) * | 2007-08-07 | 2009-02-11 | 徐进清 | Semi-silicium heat preserving heat insulation refractory product and preparation method thereof |
| CN101712551A (en) * | 2009-10-28 | 2010-05-26 | 郑州真金耐火材料有限责任公司 | Method for producing silicon mullite abrasive brick |
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| JP特开2001-316170A 2001.11.13 |
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Owner name: NANTONG TONGZHOU JUNLANG CONSTRUCTION ENGINEERING Free format text: FORMER OWNER: XUYI COUNTY DONGQIANG NEW BUILDING MATERIALS FACTORY Effective date: 20141023 |
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Effective date of registration: 20141023 Address after: 226300 Jiangsu city of Nantong province Tongzhou District five Jie Zhen Yuan San Wei village three groups Patentee after: Nantong Tongzhou District Junlang Building Engineering 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 |