CN1301930C - Ecological energy-saving brick sintering from iron mill run gangue - Google Patents
Ecological energy-saving brick sintering from iron mill run gangue Download PDFInfo
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- CN1301930C CN1301930C CNB2005100907626A CN200510090762A CN1301930C CN 1301930 C CN1301930 C CN 1301930C CN B2005100907626 A CNB2005100907626 A CN B2005100907626A CN 200510090762 A CN200510090762 A CN 200510090762A CN 1301930 C CN1301930 C CN 1301930C
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- gangue
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The present invention relates to an ecological energy-saving brick sintered from iron mill run gangue. The present invention is characterized in that the present invention is made of the iron mill run gangue, shale, flyash, coal slack, a combustion improver and slag, wherein the combustion improver is coal powder. A manufacturing method of the ecological energy-saving brick sintered from the iron mill run gangue has the technological processes of raw material pulverization, material mixture and agitation, extrusion molding, green brick cut, green brick drying and roasting and a finished product, wherein the combustion improver is the coal powder; water addition quantity is 12 to 16% of the weight of a mixing material during the material mixture and agitation, drying temperature is from 150 DEG C to 200 DEG C, and time is 24 hours; roasting temperature of 850 DEG C to 1050 DEG C, and roasting time is 24 hours. The product has homogeneous and compact structure, high strength, low cost and long service life, saves energy consumption, realizes comprehensive utilization and changes waste into valuables. Because the coal powder is added, the coal powder can support combustion in the brick roasting process. The inner part and the outer part are both heated so as to improve performance, and the brick has a sulfuration function. The present invention reduces the total amount of sulfur dioxide discharged to atmosphere and is good for environmental protection.
Description
Technical field
The present invention relates to a kind of material of construction, particularly a kind of without clay, the ecological energy-saving brick of the sintering from iron mill run gangue of being processed into multiple industrial residues such as iron milltailings sand.
Background technology
Since the reform and opening-up; the iron ore mining industry fast development; power plant goes into operation in addition; build; a large amount of industrial wastes fails to develop always; cause a large amount of mine tailings to occupy the arable land; the river course; contaminate environment; be social effects of pollution anxious to be solved; according to another the regulation of emphasizing to ban use of clay brick in " about the notice of the eliminating of outmoded products in dwelling construction " in limited time; to stop to produce clay solid brick; press for for this reason existing brick-making technology and material are transformed innovation, therefore, how rationally to utilize industrial residue brickmaking; increase the wealth of society, the protection environment is when last great research topic.
In view of this, this creator is according to oneself practical experience and technical concept, after deliberation, exploitation, and has the present invention to produce eventually.
Summary of the invention
The present invention is the ecological energy-saving brick that a kind of sintering from iron mill run gangue will be provided, and makes it without clay with solution, and industrial residues such as employing iron milltailings sand produce the technical problem of the ecological energy-saving brick of intensity height, long service life.
It is such solving the problems of the technologies described above the technical scheme that is adopted:
A kind of ecological energy-saving brick of sintering from iron mill run gangue is characterized in that: it is to be made by the starting material of following weight part proportioning:
5～10 parts in 25～35 parts of flyash of 45～55 parts of shale of iron milltailings sand
2～5 parts in 2～5 parts of slags of 5～10 portions of ignition dopes of coal gangue;
It is to be made by the starting material of following optimum weight part proportioning:
7 parts in 30 parts of flyash of 50 parts of shale of iron milltailings sand
3 parts in 3 parts of slags of 7 portions of ignition dopes of coal gangue;
This ignition dope is a coal dust.
The manufacture method of the ecological energy-saving brick of this sintering from iron mill run gangue is characterized in that: this manufacture method comprises following technical process:
(1) starting material are pulverized: mainly be that shale, coal gangue and slag are ground into powder with high speed twin rollers in small, broken bits;
(2) batch mixing stirs: shale, coal gangue and pulverized slag after the above-mentioned pulverizing are mixed with iron milltailings sand, flyash and ignition dope, add water after the mixing and carry out the double-deck stirring of twin-stage with two roller stirrers;
(3) extrusion molding: the above-mentioned starting material that stir are squeezed into strip with the two-stage vacuum brick extruding machine;
(4) cutting adobe: the blank of above-mentioned extruding slivering is cut into adobe with automatically vertical slitting shear machine, blank cutter;
(5) brick bat drying: processing is dried in above-mentioned adobe of making, and its temperature is 150 ℃～200 ℃, and the time is 24 hours;
(6) fire: the adobe sign indicating number after the above-mentioned oven dry is gone into to carry out sintering in the sintering oven, and firing temperature is 850 ℃～1050 ℃, and the firing time is 24 hours;
(7) finished product: after the cooling of the finished product after above-mentioned the firing, kiln discharge check, packing (dispatching from the factory);
Wherein, this ignition dope is a coal dust; Amount of water when this batch mixing stirs is 12～16% of a compound weight.
It is starting material that the present invention has adopted iron milltailings sand to be equipped with shale, flyash, coal gangue, ignition dope, slag, through starting material pulverizing, batch mixing stirring, extrusion molding, cutting adobe, brick bat drying, fire, finished product, after the cooling of the finished bricks after firing, kiln discharge check, packing (dispatching from the factory); Its product structure is even; closely knit; the intensity height; cost is low; long service life; saved energy consumption; and ruin the field by shoveling and turn to and utilize industrial residue and CHARACTERISTICS OF TAILINGS SAND; realized comprehensive utilization; protected ecotope again; enter feed proportioning system owing to adopt to add coal dust again, can be combustion-supporting in the process of baking bricks, all heat and improved performance and have solid sulphur effect concurrently in the inside and outside; minimizing is to airborne release sulfurous Anhydride total amount; realized environment protection, made it without clay thereby solved, industrial residues such as employing iron milltailings sand produce the intensity height; the technical problem of the ecological energy-saving brick of long service life.
Manufacturing process of the present invention is simple and convenient, and its advantage is as follows:
1, to adopt the husky instead of clay of iron milltailings be that the product structure made of material (iron milltailings sand is main raw material, with the shale substitute for clay) is even, closely knit in the present invention, the intensity height, and low, the long service life of cost has been saved energy consumption.
2, the present invention ruins the field by shoveling and turns to and utilize industrial residue and CHARACTERISTICS OF TAILINGS SAND, has realized that comprehensive utilization turns waste into wealth, turns harm into good, and has effectively utilized resource, has protected ecotope again.
3, the present invention adopts the interpolation coal dust, can be combustion-supporting in the process of baking bricks, and all heating and improved performance and have solid sulphur effect concurrently in the inside and outside, reduces to airborne release sulfurous Anhydride total amount, environmental.
Description of drawings
Fig. 1 is a technical process functional diagram of the present invention.
Embodiment
One embodiment of the ecological energy-saving brick of this sintering from iron mill run gangue is made by the starting material of following weight proportion:
Iron milltailings sand 50kg shale 30kg flyash 7kg
Coal gangue 7kg ignition dope 3kg slag 3kg.
Wherein, this ignition dope is a coal dust, and the water content of iron milltailings sand is 7～8% weight ratios.
As shown in Figure 1, be technical process functional diagram of the present invention, the manufacturing approach craft flow process of the ecological energy-saving brick of this sintering from iron mill run gangue is:
(1) starting material are pulverized: mainly be that shale, coal gangue and slag are ground into powder with high speed twin rollers in small, broken bits;
(2) batch mixing stirs: shale, coal gangue and pulverized slag after the above-mentioned pulverizing are mixed with iron milltailings sand, flyash and ignition dope coal dust, add water after the mixing and carry out the double-deck stirring of twin-stage with two roller stirrers, the amount of water when batch mixing stirs is 12～16% of a compound weight;
(3) extrusion molding: the above-mentioned starting material that stir are squeezed into strip with the two-stage vacuum brick extruding machine;
(4) cutting adobe: the blank of above-mentioned extruding slivering is cut into adobe with automatically vertical slitting shear machine, blank cutter;
(5) brick bat drying: processing is dried in above-mentioned adobe of making, and its temperature is 150 ℃～200 ℃, and the time is 24 hours;
(6) fire: the adobe sign indicating number after the above-mentioned oven dry is gone into to carry out sintering in the sintering oven, and firing temperature is 850 ℃～1050 ℃, and the firing time is 24 hours;
(7) finished product: after the cooling of the finished product after above-mentioned the firing, kiln discharge check, packing (dispatching from the factory).
The ecological energy-saving brick that above-mentioned starting material and technology are made has added iron milltailings sand, and its composition includes SiO
2, Fe
2O
3, reduce organic content, its SiO
2The easy fusion of particle; make that product structure is even, closely knit, intensity is high; long service life; saved energy consumption; and ruin the field by shoveling and turn to and utilize industrial residue; brick bat drying speed is fast, has shortened the production cycle, has improved production efficiency; and realized comprehensive utilization; protect ecotope, entered feed proportioning system because coal dust is added in employing again, can be combustion-supporting in the process of baking bricks; all heat and improved performance and have solid sulphur effect concurrently in the inside and outside; minimizing has realized environment protection to airborne release sulfurous Anhydride total amount, and tool safety, economic and practical.
In sum, the present invention has tangible economic and practical, meets each important document of patent of invention, so propose application for a patent for invention in accordance with the law.
Claims (6)
1, a kind of ecological energy-saving brick of sintering from iron mill run gangue is characterized in that: it is to be made by the starting material of following weight part proportioning:
5～10 parts in 25～35 parts of flyash of 45～55 parts of shale of iron milltailings sand
2～5 parts in 2～5 parts of slags of 5～10 portions of ignition dopes of coal gangue.
2, the ecological energy-saving brick of sintering from iron mill run gangue according to claim 1 is characterized in that: it is to be made by the starting material of following optimum weight part proportioning:
7 parts in 30 parts of flyash of 50 parts of shale of iron milltailings sand
3 parts in 3 parts of slags of 7 portions of ignition dopes of coal gangue.
3, the ecological energy-saving brick of sintering from iron mill run gangue according to claim 1 and 2 is characterized in that: this ignition dope is a coal dust.
4, the manufacture method of the ecological energy-saving brick of sintering from iron mill run gangue according to claim 1 is characterized in that: this manufacture method comprises following technical process:
(1) starting material are pulverized: mainly be that shale, coal gangue and slag are ground into powder with high speed twin rollers in small, broken bits;
(2) batch mixing stirs: shale, coal gangue and pulverized slag after the above-mentioned pulverizing are mixed with iron milltailings sand, flyash and ignition dope, add water after the mixing and carry out the double-deck stirring of twin-stage with two roller stirrers;
(3) extrusion molding: the above-mentioned starting material that stir are squeezed into strip with the two-stage vacuum brick extruding machine;
(4) cutting adobe: the blank of above-mentioned extruding slivering is cut into adobe with automatically vertical slitting shear machine, blank cutter;
(5) brick bat drying: processing is dried in above-mentioned adobe of making, and its temperature is 150 ℃～200 ℃, and the time is 24 hours;
(6) fire: the adobe sign indicating number after the above-mentioned oven dry is gone into to carry out sintering in the sintering oven, and firing temperature is 850 ℃～1050 ℃, and the firing time is 24 hours;
(7) finished product: after the cooling of the finished product after above-mentioned the firing, kiln discharge check, packing are dispatched from the factory.
5, the manufacture method of the ecological energy-saving brick of sintering from iron mill run gangue according to claim 4 is characterized in that: this ignition dope is a coal dust.
6, the manufacture method of the ecological energy-saving brick of sintering from iron mill run gangue according to claim 4 is characterized in that: the amount of water when this batch mixing stirs is 12～16% of a compound weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100907626A CN1301930C (en) | 2005-08-16 | 2005-08-16 | Ecological energy-saving brick sintering from iron mill run gangue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100907626A CN1301930C (en) | 2005-08-16 | 2005-08-16 | Ecological energy-saving brick sintering from iron mill run gangue |
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| Publication Number | Publication Date |
|---|---|
| CN1736933A CN1736933A (en) | 2006-02-22 |
| CN1301930C true CN1301930C (en) | 2007-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100907626A Expired - Fee Related CN1301930C (en) | 2005-08-16 | 2005-08-16 | Ecological energy-saving brick sintering from iron mill run gangue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100588856C (en) * | 2008-04-25 | 2010-02-10 | 中国科学院国家天文台南京天文光学技术研究所 | Guide mechanism based on elastic element |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638918B (en) * | 2009-08-19 | 2010-10-06 | 西安墙体材料研究设计院 | Technology for preparing porous heat insulation plates by sintering iron tailings |
| CN102219544B (en) * | 2011-05-17 | 2013-10-30 | 河南科技大学 | Gangue perforated brick and preparation method thereof |
| CN103183494B (en) * | 2013-04-28 | 2014-08-13 | 蔡梦君 | Environmental ecological brick prepared from construction waste |
| CN104446367A (en) * | 2014-12-13 | 2015-03-25 | 广西科技大学 | Preparation method of light sintered shale brick with rectangular openings |
| CN105237032A (en) * | 2015-09-01 | 2016-01-13 | 重庆市科环建材有限公司 | Heat-preservation and sound-insulation sintered brick produced from straw and preparation method |
| CN109678454A (en) * | 2017-10-18 | 2019-04-26 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of gangue road surface decoration brick and preparation method thereof |
| CN108298890A (en) * | 2018-01-23 | 2018-07-20 | 合肥梵腾环保科技有限公司 | A kind of novel energy-saving environment-friendly brick and preparation method thereof |
| CN111087226B (en) * | 2019-03-14 | 2023-02-03 | 西安煤科动力科技有限公司 | Argil brick and preparation method thereof |
Citations (4)
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| CN1011725B (en) * | 1987-05-12 | 1991-02-20 | 曼·B及W柴油机公司 | Engine plant comprising a plurality of turbocharged combustion engines |
| CN1022314C (en) * | 1985-02-05 | 1993-10-06 | 弗里茨-斯塔德股份公司 | Method for making machine details and components by polymer concrete |
| CN1107449A (en) * | 1994-02-24 | 1995-08-30 | 北京科技大学 | Decorative colour brick made from tailings |
| CN1263064A (en) * | 1999-02-11 | 2000-08-16 | 东北大学钎具开发研究中心 | Production method of waste slag hollow brick for mining industry |
-
2005
- 2005-08-16 CN CNB2005100907626A patent/CN1301930C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1022314C (en) * | 1985-02-05 | 1993-10-06 | 弗里茨-斯塔德股份公司 | Method for making machine details and components by polymer concrete |
| CN1011725B (en) * | 1987-05-12 | 1991-02-20 | 曼·B及W柴油机公司 | Engine plant comprising a plurality of turbocharged combustion engines |
| CN1107449A (en) * | 1994-02-24 | 1995-08-30 | 北京科技大学 | Decorative colour brick made from tailings |
| CN1263064A (en) * | 1999-02-11 | 2000-08-16 | 东北大学钎具开发研究中心 | Production method of waste slag hollow brick for mining industry |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100588856C (en) * | 2008-04-25 | 2010-02-10 | 中国科学院国家天文台南京天文光学技术研究所 | Guide mechanism based on elastic element |
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| CN1736933A (en) | 2006-02-22 |
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