CN104591774A - Processing method of light foamed concrete decorating building block - Google Patents
Processing method of light foamed concrete decorating building block Download PDFInfo
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- CN104591774A CN104591774A CN201510002264.5A CN201510002264A CN104591774A CN 104591774 A CN104591774 A CN 104591774A CN 201510002264 A CN201510002264 A CN 201510002264A CN 104591774 A CN104591774 A CN 104591774A
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- building block
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- beads
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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
Abstract
The invention relates to a processing method of a light foamed concrete decorating building block and belongs to the technical field of energy-saving building materials. By adequately utilizing the properties of waste glass, the building block is low in density and low in cost, has good thermal insulation, anti-cracking and decorative effects, and a preparation process is simple. The light foamed concrete decorating building block is prepared from the following components: cement, broken glass particles, coal ash, mica flakes, a modifying agent and water, wherein the broken glass particles comprises the following broken glass particles of different particle sizes in percentage by weight: 9%-20% of broken glass particles with the particle sizes of larger than 4.75mm, 45%-62% of broken glass particles with the particle sizes of 4.75mm-2.36mm, 13%-25% of broken glass particles with the particle sizes of 2.36mm-1.18mm, 10%-19% of broken glass particles with the particle sizes of 1.18mm-0.60mm, 4%-12% of broken glass particles with the particle sizes of 0.60mm-0.30mm and 3%-8% of broken glass particles with the particle sizes of smaller than 0.30mm. The light foamed concrete decorating building block produced by virtue of the processing method is light concrete with a porous structure, and the shrinking percentage of the light concrete is very high and is equal to 5-10 times of that of normal concrete; if glass involves in an alkali-aggregate reaction and is expanded, the structure of the foamed concrete decorating building block is not damaged, however, the shrinking of the foamed concrete decorating building block is compensated by virtue of micro-expansion generated by the alkali-aggregate reaction, so that the volume stability of the light foamed concrete decorating building block is improved; the light foamed concrete decorating building block is high in compressive strength and fire resistance, good in decorative effect and durability and extremely high in leakage resistance.
Description
Technical field
The invention belongs to energy saving building material technical field, relate to a kind of working method that can make full use of produced from waste glass light foaming concrete decorative block and the building block processed thereof.
Background technology
Glass is widely used in the field such as building, boats and ships, daily, medical, chemical, electronics, instrument, nuclear engineering, has become people's lives, production and the indispensable novel material of sophisticated technology.Meanwhile also inevitably create many glass wastes, form a large amount of cullet.With regard to glass production enterprise, under normal production scenarios, the corner glass that cutting gets off from former of sheet glass accounts for the 15-25% of glass production total amount, also has quite a few cullet to produce when periodic shut down, accounts for the 5-10% of glass production total amount.The glass packaging Bottle & Can abandoned in people's daily life and the glass port fragment etc. smashed also be produce cullet come one of institute.According to more American-European developed country statistics, cullet amount accounts for the 4-8% of municipal wastes total amount.As one of the important component of building castoff, as impurity and strict limited content in the standard of glass cullet at home and abroad the reinforcement of concrete regeneration aggregate.Therefore, when carrying out building castoff resource recycling, need for suitable regeneration approach found by glass cullet.
Nearly ten years, China continues to carry out Building Energy Conservation Policy, Development of Green Building and recycling economy, and research and development and the application of energy saving type lightweight material of construction are paid much attention to.Therefore foamed concrete obtains sustainable development, is applied at building wall building block, roofing thermal-insulating board, wall thermal insulating plate, combined wall board etc.And decorative buiding block of concrete also obtains synchronized development, and constantly increase along with the production of decorative buiding block of concrete and application quantity, region is used also constantly to expand, specification, kind also in growing trend, make building block outside surface have the decorative effect of similar lithotome by preprocessing in early stage or post-processed.Decorative buiding block of concrete is mainly used as the materials for wall of buildings, no longer needs to carry out exterior decoration, also can be used for the landscape engineerings such as municipal administration, water conservancy, gardens with it after building by laying bricks or stones.And how to improve further decorative buiding block of concrete decorative effect, alleviate masonry deadweight, improve thermal property, be one of developing direction of decorative buiding block of concrete.
At present, at home and abroad in construction refuse regenerated aggregate technological standard, usually glass cullet classified as impurity and require to control its content.Reason is that glass may participate in the alkali aggregate reaction in concrete and produce expansion, causes normal concrete structure deteriorate.
The technical scheme adopting powdered form beads as building block component is no lack of in domestic prior art, as the patent documentation of " application number: 201210149232.4; title: conserving material and preparation method thereof in a kind of heavy concrete " and " application number: 201410076920.1, title: a kind of cement that adopts is environmental friendly regenerated plate glass and the manufacture method thereof of coagulated material ".But it is all in use pulverized by glass as pulverulence, as the component improving density of building block; Even also need to carry out sintering processes (forming similar ceramic phase, to increase the intensity of building block) in moulding process.We think and do not utilize fully discarded glass performance in the prior art.
Summary of the invention
The present invention is directed to above problem, provide a kind of characteristic making full use of discarded glass, such that density of building block is little, heat insulating, cracking resistance, good decorating effect, and the working method of preparation technology's light foaming concrete decorative block simple, with low cost.
Technical scheme of the present invention is: the component comprising following weight part:
Cement is 18%-40%,
Beads is 20%-50%,
Flyash is 10%-40%,
Mica flake is 0.5%-2.3%,
Properties-correcting agent is 2.4%-4.2%,
Water is 26%-39%;
After the mixing of each component of above weight part, then through high-speed stirring producing foamed concrete decorative block slip after the hydrogen peroxide adding material gross weight 0.3%-1.7% than water, make through foaming, the demoulding, maintenance, facing treatment step again after being poured into mould;
Described beads comprises grain size: be greater than 4.75mm, 4.75-2.36mm, 2.36-1.18mm, 1.18-0.60mm, 0.60-0.30mm and be less than 0.30mm; Each grain size beads ratio in beads total amount is:
Be greater than 4.75mm to account for 9-20%, 4.75-2.36mm and account for 45-62%, 2.36-1.18mm and account for 13-25%, 1.18-0.60mm and account for 10-19%, 0.60-0.30mm and account for 4-12%, < 0.30mm and account for 3-8%.
Described beads is processed by particle shaping apparatus; Described glass crushing device comprises urceolus, interior roller, support and drive unit, described urceolus and interior roller eccentric setting, makes the gap leaving eccentric annular between described urceolus and interior roller; Be provided with the broken working face one of a circle corundum at the internal surface of described urceolus, be provided with the broken working face two of corundum on the surface of described interior roller, establish opening for feed at the top of described urceolus, bottom establishes discharge port; Described drive unit comprises drive-motor and driving gear.
Described support end face is provided with a ring-shaped guide rail, and described urceolus is flexibly connected described ring-shaped guide rail by bracing frame, and the outside of described urceolus is provided with a circle ring gear, and described driving gear engages with described ring gear;
Described interior roller is fixedly installed on support.
Described urceolus is fixedly connected on described support by bracing frame;
Described interior roller is movably connected on fixed leg by surface bearing, and described fixed leg is fixedly connected with support; The top of described interior roller is provided with drive shaft, and described drive shaft is provided with transmitting gear, and described driving gear engages with described transmitting gear.
To the beads that described discharge port exports, carry out screening process.
Described particle diameter is greater than 4.75mm, 4.75-2.36mm and 2.36-1.18mm tri-kinds of grade beadses need adopt chemical erosion process respectively, and the etchant that described chemical erosion process adopts is by HF, NH
4form with water.
Described mica flake is 20-100 order, and average aspect ratio is 35-78.
Also add the pigment of gross weight 0.2%-4.6% than water, described pigment is ferric oxide serial pigment, is the one in red iron oxide, iron oxide yellow, iron oxide black, iron oxide purple, iron oxide brown and iron oxide green or any two kinds and above composite.
Described properties-correcting agent is one in high-efficiency water-reducing agent of poly-carboxylic acid, Tai-Ace S 150, Vltra tears, Natvosol, organosilicon, calcium chloride, sodium sulfate, metasilicic acid, polypropylene fibre, kaolin, stearic acid ammonia or any two kinds and above composite.
The foamed concrete decorative block that working method of the present invention is made, the dry apparent density making building block is 600-1200kg/m
3, aperture 0.1-0.5mm, and even air hole distribution, cubic compressive strength can reach 2.5-15.0MPa, and thermal conductivity is 0.13-0.28W/mK.
The present invention mainly contains following characteristics:
1. the present invention is industry and covil construction building enclosure decorative structure material or the engineering lightweight decorating material such as finishing material and municipal administration, water conservancy, view with heat insulation function, is a kind of Multifucntional plastics products for building.
2. the present invention adopts foamed concrete to prepare decorative block, by adjusting dry apparent density and the products thickness of foamed concrete, foamed concrete decorative block masonry heat transfer coefficient can be made to meet national building energy-saving standard requirement.While significantly reducing existing decorative buiding block of concrete (brick) density, effectively improve decorative block thermal property.
3. following three kinds of technical measures that the present invention adopts can improve the decorative effect of foamed concrete: (1) compositional optimization: the pigment adopting the mica flake of the beads of variable grain grating, different addition quantity, different addition quantity and color; (2) chemical foaming: the aperture that be can be made into different pore by adjustment properties-correcting agent composition; (3) facing processing: the technique such as adopt splitting, polishing, sandblasting, dabbing, system old.
4. the present invention adopt cullet to process and grade optimization → foamed concrete slurry preparation → foamed concrete decorative block shaping → technical process such as facing processing, can realize the industrialization of foamed concrete decorative block and automatic production, production efficiency is high, labour intensity is low.
5. the present invention utilizes the solid waste such as cullet, flyash, meets national development recycling economy, low-carbon economy and the strategy of sustainable development.
6. product of the present invention can be widely used in engineering decorative structured material or the finishing material such as industry and covil construction, municipal administration, water conservancy, view, and its surface, through aforementioned different facing complete processing, can form unique, unprecedented surface effect.
7. adopt the foamed concrete decorative block that manufacture method of the present invention is obtained, take full advantage of the Spatial infrastructure that different size glass cullet particle is formed in foamed concrete, not only density is low but also the ultimate compression strength of entirety is high, splitting resistance good to make building block entirety, and the beads being exposed to surface is due to through chemical treatment, difficult drop-off.The dry apparent density of finished product is 600-1200kg/m
3, aperture 0.1-0.5mm, and even air hole distribution, cubic compressive strength reaches 2.5-15.0MPa, and thermal conductivity is 0.13-0.28W/(mK), good decorating effect, has good impervious, uninflammability and weather resistance simultaneously.
The decorative block that the present invention obtains is a kind of light weight concrete with vesicular structure, and shrinking percentage is very large, is 5-10 times of normal concrete.If glass participates in alkali aggregate reaction and produces expansion, not only can not cause the structure deteriorate of foamed concrete decorative block, the micro expansion compensation foamed concrete decorative block produced because of alkali-aggregate reaction on the contrary shrinks, and improves its volume stability.Ultimate compression strength is high, good decorating effect, flame retardant resistance are high, good endurance, also has high leakage resistance.
Accompanying drawing explanation
Fig. 1 is the microtexture schematic diagram of finished product of the present invention,
Fig. 2 is the structural representation of particle shaping apparatus embodiment one in the present invention,
Fig. 3 is the vertical view of Fig. 2,
Fig. 4 is the structural representation of particle shaping apparatus embodiment two in the present invention,
In figure, A1 is greater than 4.75mm beads, and A2 is 4.75-2.36mm beads, and A3 is 2.36-1.18mm beads, A4 is 1.18-0.60mm beads, and A5 is 0.60-0.30mm beads, and A6 is less than 0.30mm beads, B is bubble, and C is mica flake;
1 is urceolus, and 11 are the broken working faces one, 12 of corundum is ring gears, 13 is bracing frames, and 2 is interior rollers, and 21 is the broken working faces two of corundum, 22 is fixed legs, and 23 is drive shafts, and 24 is transmitting gears, 3 is gaps, 31 is discharge ports, and 4 is supports, and 41 is ring-shaped guide rails, 42 is the discharge ports on support, and 5 is driving gears.
Embodiment
Technical scheme of the present invention is: the component comprising following weight part:
Cement is 18%-40%,
Beads is 20%-50%,
Flyash is 10%-40%,
Mica flake is 0.5%-2.3%,
Properties-correcting agent is 2.4%-4.2%,
Water is 26%-39%;
After the mixing of each component of above weight part, then through high-speed stirring producing foamed concrete decorative block slip after the hydrogen peroxide adding material gross weight 0.3%-1.7% than water, make through foaming, the demoulding, maintenance, facing treatment step again after being poured into mould;
Described beads comprises grain size: be greater than 4.75mm, 4.75-2.36mm, 2.36-1.18mm, 1.18-0.60mm, 0.60-0.30mm and be less than 0.30mm; Each grain size beads ratio in beads total amount is:
Be greater than 4.75mm account for 9-20%, 4.75-2.36mm account for 45-62%, 2.36-1.18mm account for 13-25%, 1.18-0.60mm account for 10-19%, 0.60-0.30mm account for 4-12%, be less than 0.30mm account for 3-8%.
Beads is processed by particle shaping apparatus; As shown in Figure 2,3, 4, described glass crushing device comprises urceolus 1, interior roller 2, support 4 and drive unit, described urceolus 1 and interior roller 2 eccentric setting, makes the gap 3 leaving eccentric annular between described urceolus 1 and interior roller 2; Be provided with the broken working face 1 of a circle corundum at the internal surface of described urceolus 1, be provided with the broken working face 2 21 of corundum on the surface of described interior roller 2, establish opening for feed at the top of described urceolus 1, bottom establishes discharge port 31; Described drive unit comprises drive-motor and driving gear 5.
Beads in the present invention has two kinds of embodiments by particle shaping apparatus, the first as shown in Figure 2,3, the end face of support 4 is provided with a ring-shaped guide rail 41, described urceolus 1 is flexibly connected described ring-shaped guide rail 41 by bracing frame 13, the outside of described urceolus 1 is provided with a circle ring gear 12, and described driving gear 5 engages with described ring gear 12; Described interior roller 2 is fixedly installed on support 4.In the bottom of support 4, just the position of discharge port 31 is being provided with to the discharge port 42 on support.
The second embodiment, as shown in Figure 4, described urceolus 1 is fixedly connected on described support 4 by bracing frame 13;
Described interior roller 2 is movably connected on fixed leg 22 by surface bearing, and described fixed leg 22 is fixedly connected with support 4; The top of described interior roller 2 is provided with drive shaft 23, and described drive shaft 23 is provided with transmitting gear 24, and described driving gear 5 engages with described transmitting gear 24.In the bottom of support 4, just the position of discharge port 31 is being provided with to the discharge port 42 on support.
Consider for efficiency, to the beads that described discharge port 31 exports, carry out screening process.
Described particle diameter is greater than 4.75mm, 4.75-2.36mm and 2.36-1.18mm tri-kinds of grade beadses need adopt chemical erosion process respectively, and the etchant that described chemical erosion process adopts is by HF, NH
4form with water.There is a large amount of pit in the surface being intended to make beads smooth, improves the cohesive strength between foamed concrete matrix and beads, thus overall raising foamed concrete decorative block intensity.
On the whole, the present invention's beads preparation process used is:
(1) cullet is cleaned up, after drying, be broken into the beads that overall dimension is no more than 10.0mm;
(2) after screening, particle diameter is greater than 4.75mm, 4.75-2.36mm, 2.36-1.18mm tri-kinds of grade beadses and carries out particle shaping, and then sieve;
(3) if desired, etchant is adopted to carry out chemical erosion process respectively by being greater than 4.75mm, 4.75-2.36mm, 2.36-1.18mm tri-kinds of grade beadses through particle shaping and the particle diameter that is sieving through again, then cleaning, drying.
Described mica flake is 20-100 order, and average aspect ratio is 35-78.
Also add the pigment of material gross weight 0.2%-4.6% than water, described pigment is ferric oxide serial pigment, is the one in red iron oxide, iron oxide yellow, iron oxide black, iron oxide purple, iron oxide brown and iron oxide green or any two kinds and above composite.In fact for coordinating decorative effect to configure overall tone.
Described properties-correcting agent is one in high-efficiency water-reducing agent of poly-carboxylic acid, Tai-Ace S 150, Vltra tears, Natvosol, organosilicon, calcium chloride, sodium sulfate, metasilicic acid, polypropylene fibre, kaolin, stearic acid ammonia or any two kinds and above composite.
In the present invention, the beads of the particle size of " gradient " participates in alkali aggregate reaction and produces expansion, but the structure deteriorate of foamed concrete decorative block can not be caused, the micro expansion compensation foamed concrete decorative block produced because of alkali-aggregate reaction on the contrary shrinks, and improves its volume stability.As shown in Figure 1.
The foamed concrete decorative block that working method of the present invention is made, the dry apparent density making building block is 600-1200kg/m
3, aperture 0.1-0.5mm, and even air hole distribution, cubic compressive strength can reach 2.5-15.0MPa, and thermal conductivity is 0.13-0.28W/(mK).
Following three kinds of technical measures that the present invention adopts can improve the decorative effect of foamed concrete decorative block: (1) compositional optimization: the pigment adopting the mica flake of the beads of variable grain grating, different addition quantity, different addition quantity and color; (2) chemical foaming: the aperture that be can be made into different pore by adjustment properties-correcting agent composition; (3) facing processing: the technique such as adopt splitting, polishing, sandblasting, dabbing, system old.
embodiment one:
Get cement 180kg, beads 200kg, flyash 100kg, mica flake (100 order) 5kg, properties-correcting agent 24kg, water 260kg; Homogeneous phase mixing, then the hydrogen peroxide adding gross weight 3kg, high-speed stirring producing foamed concrete decorative block slip, is poured into again through foaming, the demoulding, maintenance after mould, then makes through facing process;
Wherein beads grain size and weight are: be greater than the 8kg of 20kg, 0.60-0.30mm of 13kg, 1.18-0.60mm of 113kg, 2.36-1.18mm of 40kg, 4.75-2.36mm of 4.75mm and be less than the 6kg of 0.30mm.
Wherein particle diameter is greater than 4.75mm, 4.75-2.36mm and 2.36-1.18mm tri-kinds of grade beadses and need adopts chemical erosion process respectively, and what chemical erosion process adopted is hydrofluoric acid solution.
Pigment carries out assembly according to customer requirement.
Properties-correcting agent is that high-efficiency water-reducing agent of poly-carboxylic acid, Tai-Ace S 150, Vltra tears, Natvosol, organosilicon, calcium chloride, sodium sulfate, metasilicic acid, polypropylene fibre, kaolin and stearic acid ammonia are composite.
The dry apparent density making building block is 600kg/m
3, aperture 0.5mm, and even air hole distribution, cubic compressive strength can reach 10.0MPa, and thermal conductivity is 0.13W/(mK).
embodiment two:
Get cement 400kg, beads 500kg, flyash 400kg, mica flake 23kg(20 order 4kg, 50 order 19kg), properties-correcting agent 42kg, water 390kg; Homogeneous phase mixing, then the hydrogen peroxide adding gross weight 17kg, high-speed stirring producing foamed concrete decorative block slip, is poured into again through foaming, the demoulding, maintenance after mould, then makes through facing process;
Wherein beads grain size and weight are: be greater than the 20kg of 50kg, 0.60-0.30mm of 125kg, 1.18-0.60mm of 190kg, 2.36-1.18mm of 100kg, 4.75-2.36mm of 4.75mm and be less than the 15kg of 0.30mm.
Wherein particle diameter is greater than 4.75mm, 4.75-2.36mm and 2.36-1.18mm tri-kinds of grade beadses and need adopts chemical erosion process respectively, and what chemical erosion process adopted is ammonia soln.
Pigment carries out assembly according to customer requirement.
Properties-correcting agent is that high-efficiency water-reducing agent of poly-carboxylic acid, Tai-Ace S 150, Vltra tears, Natvosol, organosilicon, calcium chloride, sodium sulfate, metasilicic acid, polypropylene fibre, kaolin and stearic acid ammonia are composite.
The dry apparent density making building block is 1200kg/m
3, aperture 0.1mm, and even air hole distribution, cubic compressive strength can reach 2.5MPa, and thermal conductivity is 0.19W/(mK).
embodiment three:
Get cement 300kg, beads 300kg, flyash 250kg, mica flake 17kg(20 order 1kg, 50 order 8kg, 100 order 8kg), properties-correcting agent 30kg, water 310kg; Homogeneous phase mixing, then the hydrogen peroxide adding gross weight 10kg, high-speed stirring producing foamed concrete decorative block slip, is poured into again through foaming, the demoulding, maintenance after mould, then makes through facing process;
Wherein beads grain size and weight are: be greater than the 36kg of 45kg, 0.60-0.30mm of 39kg, 1.18-0.60mm of 141kg, 2.36-1.18mm of 27kg, 4.75-2.36mm of 4.75mm and be less than the 12kg of 0.30mm.
Wherein particle diameter is greater than 4.75mm, 4.75-2.36mm and 2.36-1.18mm tri-kinds of grade beadses and need adopts chemical erosion process respectively, and what chemical erosion process adopted is hydrofluoric acid solution.
Pigment carries out assembly according to customer requirement.
Properties-correcting agent is that high-efficiency water-reducing agent of poly-carboxylic acid, Tai-Ace S 150, Vltra tears, Natvosol, organosilicon, calcium chloride, sodium sulfate, metasilicic acid, polypropylene fibre, kaolin and stearic acid ammonia are composite.
The dry apparent density making building block is 900kg/m
3, aperture 0.3mm, and even air hole distribution, cubic compressive strength can reach 1.8MPa, and thermal conductivity is 0.28W/(mK).
Claims (10)
1. a working method for light foaming concrete decorative block, comprises the component of following weight part:
Cement is 18%-40%,
Beads is 20%-50%,
Flyash is 10%-40%,
Mica flake is 0.5%-2.3%,
Properties-correcting agent is 2.4%-4.2%,
Water is 26%-39%;
After the mixing of each component of above weight part, then through high-speed stirring producing foamed concrete decorative block slip after the hydrogen peroxide adding material gross weight 0.3%-1.7% than water, make through foaming, the demoulding, maintenance, facing treatment step again after being poured into mould;
It is characterized in that, described beads comprises grain size and is: be greater than 4.75mm, 4.75-2.36mm, 2.36-1.18mm, 1.18-0.60mm, 0.60-0.30mm and be less than 0.30mm; Each grain size beads ratio in beads total amount is:
Be greater than 4.75mm to account for 9-20%, 4.75-2.36mm and account for 45-62%, 2.36-1.18mm and account for 13-25%, 1.18-0.60mm and account for 10-19%, 0.60-0.30mm and account for 4-12%, < 0.30mm and account for 3-8%.
2. the working method of a kind of light foaming concrete decorative block according to claim 1, it is characterized in that, described beads is processed by particle shaping apparatus; Described glass crushing device comprises urceolus, interior roller, support and drive unit, described urceolus and interior roller eccentric setting, makes the gap leaving eccentric annular between described urceolus and interior roller; Be provided with the broken working face one of a circle corundum at the internal surface of described urceolus, be provided with the broken working face two of corundum on the surface of described interior roller, establish opening for feed at the top of described urceolus, bottom establishes discharge port; Described drive unit comprises drive-motor and driving gear.
3. the working method of a kind of light foaming concrete decorative block according to claim 2, it is characterized in that, described support end face is provided with a ring-shaped guide rail, described urceolus is flexibly connected described ring-shaped guide rail by bracing frame, the outside of described urceolus is provided with a circle ring gear, and described driving gear engages with described ring gear;
Described interior roller is fixedly installed on support.
4. the working method of a kind of light foaming concrete decorative block according to claim 2, is characterized in that, described urceolus is fixedly connected on described support by bracing frame;
Described interior roller is movably connected on fixed leg by surface bearing, and described fixed leg is fixedly connected with support; The top of described interior roller is provided with drive shaft, and described drive shaft is provided with transmitting gear, and described driving gear engages with described transmitting gear.
5. the working method of a kind of light foaming concrete decorative block according to claim 2, is characterized in that, to the beads that described discharge port exports, carries out screening process.
6. the working method of a kind of light foaming concrete decorative block according to claim 1, it is characterized in that, described particle diameter is greater than 4.75mm, 4.75-2.36mm and 2.36-1.18mm tri-kinds of grade beadses need adopt chemical erosion process respectively, and the etchant that described chemical erosion process adopts is by HF, NH
4form with water.
7. the working method of a kind of light foaming concrete decorative block according to claim 1, is characterized in that, described mica flake is 20-100 order, and average aspect ratio is 35-78.
8. the working method of a kind of high heat retaining property foamed concrete decorative block according to claim 1, it is characterized in that, also add the pigment of material gross weight 0.2%-4.6% than water, described pigment is ferric oxide serial pigment, is the one in red iron oxide, iron oxide yellow, iron oxide black, iron oxide purple, iron oxide brown and iron oxide green or any two kinds and above composite.
9. the working method of a kind of light foaming concrete decorative block according to claim 1, it is characterized in that, described properties-correcting agent is one in high-efficiency water-reducing agent of poly-carboxylic acid, Tai-Ace S 150, Vltra tears, Natvosol, organosilicon, calcium chloride, sodium sulfate, metasilicic acid, polypropylene fibre, kaolin, stearic acid ammonia or any two kinds and above composite.
10. the foamed concrete decorative block made of the working method of a kind of light foaming concrete decorative block as claimed in claim 1, it is characterized in that, the dry apparent density making building block is 600-1200kg/m
3, aperture 0.1-0.5mm, and even air hole distribution, cubic compressive strength can reach 2.5-15.0MPa, and thermal conductivity is 0.13-0.28W/m K.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105084825A (en) * | 2015-08-21 | 2015-11-25 | 中国路桥工程有限责任公司 | Method for manufacturing dual-purpose machine-made sand aerated concrete |
| CN105347759A (en) * | 2015-12-03 | 2016-02-24 | 梅庆波 | Preparation method for doped-glass micro powder foam concrete plate |
| CN108821682A (en) * | 2018-07-03 | 2018-11-16 | 中国建筑材料科学研究总院有限公司 | A kind of low cost alternate resources high crack-resisting and its preparation method |
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| CN102518275A (en) * | 2011-12-20 | 2012-06-27 | 南京倍立达实业有限公司 | Nano self-cleaning fiber reinforced cement product and production method for same |
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| CN102951894A (en) * | 2011-08-22 | 2013-03-06 | 威海隆济时节能科技有限公司 | Foamed concrete dry powder composite mortar production method |
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| CN105084825A (en) * | 2015-08-21 | 2015-11-25 | 中国路桥工程有限责任公司 | Method for manufacturing dual-purpose machine-made sand aerated concrete |
| CN105347759A (en) * | 2015-12-03 | 2016-02-24 | 梅庆波 | Preparation method for doped-glass micro powder foam concrete plate |
| CN105347759B (en) * | 2015-12-03 | 2017-11-10 | 重庆市巴南区环美金属加工厂 | A kind of preparation method of doped-glass micro mist foamed concrete plate |
| CN107434427A (en) * | 2015-12-03 | 2017-12-05 | 马泳琳 | A kind of doped-glass micro mist foamed concrete plate |
| CN108821682A (en) * | 2018-07-03 | 2018-11-16 | 中国建筑材料科学研究总院有限公司 | A kind of low cost alternate resources high crack-resisting and its preparation method |
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