CN104556976A - Red sintered shale landscape brick and production method thereof - Google Patents
Red sintered shale landscape brick and production method thereof Download PDFInfo
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- CN104556976A CN104556976A CN201510048849.0A CN201510048849A CN104556976A CN 104556976 A CN104556976 A CN 104556976A CN 201510048849 A CN201510048849 A CN 201510048849A CN 104556976 A CN104556976 A CN 104556976A
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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
- 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 a red sintered shale landscape brick and a production method thereof. The landscape brick comprises the following raw materials by weight percent: 70 to 95 percent of shale and 5 to 15 percent of clay, wherein the sum of the mass percent of all raw materials is not more than 100 percent. The production method comprises the steps of breaking, screening, blank mixing, blank preparation and roasting. According to the landscape brick, the shale and particularly shale-based lean iron ore and shale-based iron ore tailings are used as main components and mixed with an appropriate amount of clay, and after the brick is roasted at an appropriate temperature, the produced landscape brick has the characteristics of red and uniform color, relatively high pressure resistance and bending resistance, small deformation and slight scum of a finished product. By adopting the shale-based lean iron ore and shale-based iron ore tailings, the utilization rate of smelting wastes also can be increased, land resources are saved, and the environmental pollution can be reduced; the production method is simple in process, the production period is short, and the floor occupation area is small.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of color beauty and even, withstand voltage folding strength higher, be out of shape little red sintering shale landscape brick and production method thereof.
Background technology
Common brick, is referred to as clay brick again, is for raw material with clay, shale, coal gangue etc., with artificial or mechanical compression molding after pulverizing, mixing pugging mullering, after drying at the temperature of 900 left and right Celsius with the sintered type building block that oxydizing flame is fired, its color and luster is red gorgeous, is then furvous sometimes.Generally adobe inside and outside grilled thoroughly with big fire when clay brick is produced, then stop working, make kiln and brick naturally cooling, now, kiln air flow leads to, and oxygen is sufficient, defines a good oxidizing atmosphere, makes the ferro element in adobe be oxidized to ferric oxide.Because ferric oxide is red, so also will take on a red color.During adobe roasting, the duration and degree of heating will control suitably, in order to avoid there are under-burned brick and burrs.Under-burned brick look shallow, knock is low and deep, intensity is low, water-intake rate is large, poor durability.Burrs color depth, clear when knocking, intensity is higher, water-intake rate is low, but many flexural deformation.Meanwhile, the mineral content that clay is different and different maturing temperatures, all can form fragment of brick distinct colors difference after roasting.
In China, materials for wall accounts for 70% of whole building construction material, and wherein clay brick still occupies dominant position in walling, and the clay resource produced needed for solid clay brick more belongs to the clay compared with high-quality in arable land, the fired clay brick because town and country build a house, will damage 700,000 mu, good farmland in 1 year unexpectedly.2005, the General Office of the State Council printed and distributed " " 12 " materials for wall innovation instruction " (send out and change No. [2011] 2437, ring money), proposed to carry out " city limit sticky, county town prohibit real ".On September 26th, 2012, the National Development and Reform Commission announces, China will progressively limit use clay-ware or forbidding solid clay brick in " 12 " period in hundreds of the cities such as Shanghai and relevant county town.
Shale brick utilizes shale and coal gangue to carry out the fragment of brick of high-temperature firing for raw material, because shale is the rock being extruded in earth movement by clay and formed, similar chemical composition is had to clay, silicon, calcium, aluminium, iron cpd account for total composition more than 80%, and shale brick constructional method is consistent with clay brick, performance is suitable, and therefore, shale brick progressively becomes the best substitute of clay brick and widelyd popularize.Shale is divided into siliceous shale, calcareous shale and yeath with its difference of content to silicon, calcium, carbon.Because siliceous shale distortion is little, water absorbability is little, brick not easy-weathering and quality product the advantage such as easily to ensure, general shale brick all adopts siliceous shale to produce.Because siliceous shale iron-holder is less and unstable, it is more shallow and with batch lack of homogeneity to produce the shale brick redness that obtains.Little for the shale brick impact as building block, but during as landscape brick based on decoration function, of light color, together batch uneven be just difficult to satisfactory.With irony shale, particularly using the poor iron ore of shale matter, shale matter iron ore mine as raw material roasting shale brick, although the product redness obtained is comparatively dark, due to the impact that irony is higher, the more common shale brick of withstand voltage folding strength is low, distortion is large, and scum is difficult to control.In addition, due to shale relative to clayey hard and moulding, forming degree is poor, single using shale as raw material or when adding coal gangue, flyash, after pulverizing, straight forming is poor, general shale needs ageing to increase its moulding and forming degree after pulverizing, therefore the common shale brick production cycle is long, and ageing floor space is large.
Landscape brick is the fragment of brick of building facing for construction wall, ground by laying bricks or stones, has the building block of insulation, decoration, load-bearing integration.Red landscape brick generally adopts colored mixed earth compacting to obtain, although have bright-colored and evenly, be out of shape little advantage, because high, the withstand voltage folding strength of cost is poor, affect its use range, generally all build use by laying bricks or stones as wall body decoration, lessly to use as paving tile.
If a kind of color beauty can be developed and even, withstand voltage folding strength higher, be out of shape little shale landscape brick, will wide market outlook be had.If can also develop the production method of red sintering shale landscape brick further, particularly having the production method that technique is simple, with short production cycle, floor space is little, is the key solving an existing red landscape brick production technique difficult problem.
Summary of the invention
The first object of the present invention be to provide a kind of color beauty and even, withstand voltage folding strength higher, be out of shape little red sintering shale landscape brick, the second object is to provide the red sintering shale landscape brick production method that a kind of technique is simple, with short production cycle, floor space is little.
The first object of the present invention is achieved in that and comprises the shale that mass percent is 70 ~ 95%, the clay of 5 ~ 15%, and each raw materials quality per-cent sum is not more than 100%.
The second object of the present invention is achieved in that and comprises broken screening, blank modulation, base, calcining process, specifically comprises:
A, broken screening: shale digging obtained, clay are broken through shredder assembly respectively, are then sized to after the particle diameter that meets the requirements through screening plant and deliver to feed bin;
B, blank are modulated: fragmentation is screened the different material that obtains by mass percentage feeding enter mixer and add water according to formula and mix to water ratio 4 ~ 8%;
C, base: the raw material after batch mixing is obtained view adobe through pressing machine compression moulding;
D, roasting: view adobe is loaded kiln car and moves in kiln, view adobe is thoroughly burnt and be incubated 0.5 ~ 2h kiln discharge after 950 ~ 1020 DEG C, obtains qualified landscape brick finished product.
Red sintering shale landscape brick of the present invention, with shale, particularly using the poor iron ore of shale matter, shale matter iron ore mine as main component, because composition is definite, stable and a large amount of existence of irony, makes it the one-tenth magenta color after roasting darker; Be aided with suitable clay, moulding, the forming degree of shale can be improved after blank modulation, enable straight forming, the ageing operation of common shale brick can be omitted, thus improve the production cycle, reduce ageing windrow floor space; And adding of clay, when can also make landscape brick roasting, the vitreum of clay fusing wraps up shale no cofusing particle and is bonded together, thus the withstand voltage folding strength of landscape brick after strengthening roasting, and distortion during less roasting.And, using the poor iron ore of shale matter, shale matter iron ore mine as shale raw material, the utilization of mining and metallurgy waste material can also be improved, be conducive to economizing the land resource, reduce environmental pollution.Therefore, red sintering shale landscape brick of the present invention with shale, there is color beauty and even, withstand voltage folding strength higher, be out of shape little feature.
Production method of the present invention, using shale as main component, is aided with suitable clay, can improve moulding, the forming degree of shale after blank modulation, enable straight forming, the ageing operation of common shale brick can be omitted, thus improve the production cycle, reduce ageing windrow floor space; In addition, mixing to water ratio 4 ~ 8% by adding water after formula batch mixing in blank modulation, adobe compression moulding can be made easy, the baking operation after conventional base can be omitted again, can directly enter kiln roasting, also further reduce the production cycle, reduce production cost; In calcining process, adobe adopts burns insulation 0.5 ~ 2h kiln discharge after 950 ~ 1020 DEG C thoroughly, can ensure that finished product landscape brick has darker redness, there will not be again the situation of under-burned brick and burrs.Therefore, red sintering shale landscape brick production method of the present invention has color beauty and the feature even, technique is simple, with short production cycle, floor space is little.
Accompanying drawing explanation
Fig. 1 is production method process flow diagram of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated, but limited the present invention never in any form, and any change done based on training centre of the present invention or improvement, all belong to protection scope of the present invention.
Red sintering shale landscape brick of the present invention, comprises the raw material of following mass percent: shale 70 ~ 95%, clay 5 ~ 15%, and each raw materials quality per-cent sum is not more than 100%.
Described shale is irony shale.
As preferably, described irony shale is the poor iron ore of shale matter and/or shale matter iron ore mine.
As preferably, also comprise flyash and/or cinder and/or coal gangue that mass percent is 5 ~ 20%, each raw materials quality per-cent sum is not more than 100%.
Described landscape brick forms through 950 ~ 1020 DEG C of insulation 0.5 ~ 2h aerobic sintering.
Red sintering shale landscape brick production method of the present invention, comprises broken screening, blank modulation, base, calcining process, specifically comprises:
A, broken screening: shale digging obtained, clay are broken through shredder assembly respectively, are then sized to after the particle diameter that meets the requirements through screening plant and deliver to feed bin;
B, blank are modulated: fragmentation is screened the different material that obtains by mass percentage feeding enter mixer and add water according to formula and mix to water ratio 4 ~ 8%;
C, base: the raw material after batch mixing is obtained view adobe through pressing machine compression moulding;
D, roasting: view adobe is loaded kiln car and moves in kiln, view adobe is thoroughly burnt and be incubated 0.5 ~ 2h kiln discharge after 950 ~ 1020 DEG C, obtains qualified landscape brick finished product.
Screening plant in described broken screening process is trommel screen or vibratory screening apparatus.
As preferably, described shale is the poor iron ore of shale matter and/or shale matter iron ore mine.
Shale in described broken process is in small, broken bits further through sand shaker again after crusher is just broken.
Described broken process Raw is 8 ~ 10 orders for the production of screening plant during solid brick, is 10 ~ 14 orders for the production of screening plant when perforated brick and hollow brick.
In described broken screening process after screening plant screening the raw material of undesirable particle diameter, transport back sand shaker by conveyor again in small, broken bits and sieve.
After described broken screening process and blank modulating process before also have ageing operation, described ageing operation be by shale, clay through fragmentation screening after add water respectively enter ageing storehouse respectively ageing deposit.
Embodiment 1
The poor iron ore of shale matter digging obtained pours crusher feed bin into, sand shaker is transported to by conveyor after crusher is just broken, it is 8 object trommel screen sortings that the poor iron ore of shale matter after just broken and clay are transported to screen cloth by conveyor respectively after sand shaker is in small, broken bits, part of leaking down is the particle diameter that meets the requirements, and is transported to feed bin by conveyor; Part of not leaking down is undesirable particle size fraction, transports back sand shaker again in small, broken bits by conveyor.Get the broken poor iron ore of 5400kg shale matter that obtains and the 600kg clay of screening to send into mixer and to add water the blank mixing and obtain water ratio 6%; Blank obtains solid view adobe through pressing machine compacting; View adobe is loaded kiln car and moves in kiln, tunnel furnace gas furnace system carries out roasting to landscape brick, and make view adobe thoroughly burn to 1000 DEG C and be incubated 1h, kiln discharge obtains qualified landscape brick finished product.
Embodiment 2
Shale matter iron ore mine digging obtained pours crusher feed bin into, sand shaker is transported to by conveyor after crusher is just broken, shale matter iron ore mine after just broken and clay in small, broken bits through sand shaker respectively, then shale matter iron ore mine, clay and the flyash after in small, broken bits being transported to screen cloth by conveyor is respectively 10 object vibratory screening apparatus sortings, part of leaking down is the particle diameter that meets the requirements, and is transported to feed bin by conveyor; Part of not leaking down is undesirable particle size fraction, transports back sand shaker again in small, broken bits by conveyor.Get the broken 5600kg shale matter iron ore mine, 1200kg clay and the 1200kg flyash that obtain of screening to send into mixer and to add water the blank mixing and obtain water ratio 4%; Blank obtains the adobe of porous view through pressing machine compacting; View adobe is loaded kiln car and moves in kiln, tunnel furnace gas furnace system carries out roasting to landscape brick, and make view adobe thoroughly burn to 960 DEG C and be incubated 1.5h, kiln discharge obtains qualified landscape brick finished product.
Embodiment 3
Ferrite matter digging obtained, cinder pour crusher feed bin into, sand shaker is transported to by conveyor after crusher is just broken, ferrite matter, cinder and clay after just broken are in small, broken bits through sand shaker respectively, then being transported to screen cloth by conveyor is 14 object trommel screen sortings, part of leaking down is the particle diameter that meets the requirements, and is transported to feed bin by conveyor; Part of not leaking down is undesirable particle size fraction, transports back sand shaker again in small, broken bits by conveyor.Get the broken 4800kg ferrite matter, 600kg clay and the 600kg cinder that obtain of screening to send into mixer and to add water the blank mixing and obtain water ratio 8%; Blank obtains the adobe of porous view through pressing machine compacting; View adobe is loaded kiln car and moves in kiln, tunnel furnace gas furnace system carries out roasting to landscape brick, and make view adobe thoroughly burn to 980 DEG C and be incubated 1 h, kiln discharge obtains qualified landscape brick finished product.
Embodiment 4
The poor iron ore of shale matter digging obtained, coal gangue pour crusher feed bin into, sand shaker is transported to by conveyor after crusher is just broken, the poor iron ore of shale matter, coal gangue and clay after just broken are in small, broken bits through sand shaker respectively, then being transported to screen cloth by conveyor is 12 object vibratory screening apparatus sortings, part of leaking down is the particle diameter that meets the requirements, and is transported to feed bin by conveyor; Part of not leaking down is undesirable particle size fraction, transports back sand shaker again in small, broken bits by conveyor.Get the broken poor iron ore of 6000kg shale matter, 400kg clay and the 1600kg coal gangue that obtain of screening to send into mixer and to add water the blank mixing and obtain water ratio 5%; Blank obtains the adobe of porous view through pressing machine compacting; View adobe is loaded kiln car and moves in kiln, tunnel furnace gas furnace system carries out roasting to landscape brick, and make view adobe thoroughly burn to 1020 DEG C and be incubated 0.6 h, kiln discharge obtains qualified landscape brick finished product.
Embodiment 5
Shale matter iron ore mine digging obtained pours crusher feed bin into, sand shaker is transported to by conveyor after crusher is just broken, shale matter iron ore mine after just broken and clay in small, broken bits through sand shaker respectively, then being transported to screen cloth by conveyor is 10 object vibratory screening apparatus sortings, part of leaking down is the particle diameter that meets the requirements, and is transported to feed bin by conveyor; Part of not leaking down is undesirable particle size fraction, transports back sand shaker again in small, broken bits by conveyor.Get the broken 5700kg shale matter iron ore mine that obtains and the 300kg clay of screening to send into mixer and to add water the blank mixing and obtain water ratio 6%; Blank obtains solid view adobe through pressing machine compacting; View adobe is loaded kiln car and moves in kiln, tunnel furnace gas furnace system carries out roasting to landscape brick, and make view adobe thoroughly burn to 950 DEG C and be incubated 2 h, kiln discharge obtains qualified landscape brick finished product.
Embodiment 6
Shale matter iron ore mine digging obtained, coal gangue pour crusher feed bin into, sand shaker is transported to by conveyor after crusher is just broken, shale matter iron ore mine, coal gangue and clay after just broken are in small, broken bits through sand shaker respectively, then being transported to screen cloth by conveyor is 10 object trommel screen sortings, part of leaking down is the particle diameter that meets the requirements, and is transported to feed bin by conveyor; Part of not leaking down is undesirable particle size fraction, transports back sand shaker again in small, broken bits by conveyor.Get the broken 6400kg shale matter iron ore mine, 1200kg clay and the 400kg coal gangue that obtain of screening to send into mixer and to add water the blank mixing and obtain water ratio 7%; Blank obtains solid view adobe through pressing machine compacting; View adobe is loaded kiln car and moves in kiln, tunnel furnace gas furnace system carries out roasting to landscape brick, and make view adobe thoroughly burn to 990 DEG C and be incubated 1 h, kiln discharge obtains qualified landscape brick finished product.
Claims (9)
1. a red sintering shale landscape brick, is characterized in that the raw material comprising following mass percent: shale 70 ~ 95%, clay 5 ~ 15%, and each raw materials quality per-cent sum is not more than 100%.
2. red sintering shale landscape brick according to claim 1, is characterized in that described shale is irony shale.
3. red sintering shale landscape brick according to claim 2, is characterized in that described irony shale is the poor iron ore of shale matter and/or shale matter iron ore mine.
4. red sintering shale landscape brick according to claim 1, characterized by further comprising flyash and/or cinder and/or coal gangue that mass percent is 5 ~ 20%, each raw materials quality per-cent sum is not more than 100%.
5. the red sintering shale landscape brick according to claim 1,2,3 or 4, is characterized in that described landscape brick forms through 950 ~ 1020 DEG C of insulation 0.5 ~ 2h aerobic sintering.
6. produce a method for red sintering shale landscape brick described in claim 1, it is characterized in that comprising broken screening, blank modulation, base, calcining process, specifically comprise:
A, broken screening: shale digging obtained, clay are broken through shredder assembly respectively, are then sized to after the particle diameter that meets the requirements through screening plant and deliver to feed bin;
B, blank are modulated: fragmentation is screened the different material that obtains by mass percentage feeding enter mixer and add water according to formula and mix to water ratio 4 ~ 8%;
C, base: the raw material after batch mixing is obtained view adobe through pressing machine compression moulding;
D, roasting: view adobe is loaded kiln car and moves in kiln, view adobe is thoroughly burnt and be incubated 0.5 ~ 2h kiln discharge after 950 ~ 1020 DEG C, obtains qualified landscape brick finished product.
7. production method according to claim 6, is characterized in that described shale is the poor iron ore of shale matter and/or shale matter iron ore mine.
8. the production method according to claim 6 or 7, is characterized in that the shale in described broken process is in small, broken bits further through sand shaker again after crusher is just broken.
9. production method according to claim 6, it is characterized in that described broken process Raw is 8 ~ 10 orders for the production of screening plant during solid brick, is 10 ~ 14 orders for the production of screening plant when perforated brick and hollow brick.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106396625A (en) * | 2016-08-31 | 2017-02-15 | 四川省方正瓷业有限公司 | Sintered-brick processing method and device |
| CN106587929A (en) * | 2016-12-29 | 2017-04-26 | 柳州市圣垒贸易有限公司 | Preparation method for shale brick |
| CN106747290A (en) * | 2016-12-29 | 2017-05-31 | 柳州市圣垒贸易有限公司 | A kind of preparation method of environmentally friendly shale brick |
| CN107417295A (en) * | 2017-05-02 | 2017-12-01 | 杨朝雄 | Gardens path laying bricks with water permeability and water storage ability |
| CN107721383A (en) * | 2017-11-15 | 2018-02-23 | 山西聚义宝鑫新材料有限公司 | A kind of purplish red landscape ornamental pavior brick |
| CN107721390A (en) * | 2017-11-15 | 2018-02-23 | 山西聚义宝鑫新材料有限公司 | Porous brown environment-friendlyroad road face brick |
| CN110143805A (en) * | 2019-06-28 | 2019-08-20 | 广西科技大学 | A method of sintering shale brick is prepared using building castoff |
| CN110606727A (en) * | 2019-07-22 | 2019-12-24 | 遵义能矿投资股份有限公司 | Color landscape brick directly prepared from building residue soil |
| CN111517754A (en) * | 2020-05-14 | 2020-08-11 | 麻阳海创新材料有限责任公司 | High-strength heat-insulation shale brick and preparation method thereof |
| CN112077980A (en) * | 2019-06-14 | 2020-12-15 | 贵阳鑫泓工程技术有限公司 | Production process for sintering oil-based rock debris to make bricks |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396625A (en) * | 2016-08-31 | 2017-02-15 | 四川省方正瓷业有限公司 | Sintered-brick processing method and device |
| CN106587929A (en) * | 2016-12-29 | 2017-04-26 | 柳州市圣垒贸易有限公司 | Preparation method for shale brick |
| CN106747290A (en) * | 2016-12-29 | 2017-05-31 | 柳州市圣垒贸易有限公司 | A kind of preparation method of environmentally friendly shale brick |
| CN107417295A (en) * | 2017-05-02 | 2017-12-01 | 杨朝雄 | Gardens path laying bricks with water permeability and water storage ability |
| CN107721383A (en) * | 2017-11-15 | 2018-02-23 | 山西聚义宝鑫新材料有限公司 | A kind of purplish red landscape ornamental pavior brick |
| CN107721390A (en) * | 2017-11-15 | 2018-02-23 | 山西聚义宝鑫新材料有限公司 | Porous brown environment-friendlyroad road face brick |
| CN112077980A (en) * | 2019-06-14 | 2020-12-15 | 贵阳鑫泓工程技术有限公司 | Production process for sintering oil-based rock debris to make bricks |
| CN110143805A (en) * | 2019-06-28 | 2019-08-20 | 广西科技大学 | A method of sintering shale brick is prepared using building castoff |
| CN110606727A (en) * | 2019-07-22 | 2019-12-24 | 遵义能矿投资股份有限公司 | Color landscape brick directly prepared from building residue soil |
| CN111517754A (en) * | 2020-05-14 | 2020-08-11 | 麻阳海创新材料有限责任公司 | High-strength heat-insulation shale brick and preparation method thereof |
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