CN103880373A - Thick double-row-hole light aggregate concrete partition board and production process of partition board - Google Patents
Thick double-row-hole light aggregate concrete partition board and production process of partition board Download PDFInfo
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- CN103880373A CN103880373A CN201410082778.1A CN201410082778A CN103880373A CN 103880373 A CN103880373 A CN 103880373A CN 201410082778 A CN201410082778 A CN 201410082778A CN 103880373 A CN103880373 A CN 103880373A
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Abstract
The invention relates to a thick double-row-hole light aggregate concrete partition board and a production process of the partition board, and belongs to building components of buildings and preparation methods. The production process is characterized by comprising the following steps: preparing raw materials; adding water to mix and stir; extrusion moulding; maintaining by steam; cutting and lifting the board; naturally drying, thus obtaining a finished product. In the step of preparing raw materials, the raw materials comprise the following components in percentage by weight: 20-30% of silicate cement, 5-10% of a silicon-aluminum active mineral material, 2-5% of an alkaline stimulating material, 2-5% of hydroxypropyl methyl cellulose and the balance of a light aggregate combined by one or more of expanded fly ash aggregates, expanded slag balls and coal cinders in any weight ratio with the bulk density is not greater than 1200kg/<m3>, totaling 100%. According to the thick double-row-hole light aggregate concrete partition board which is 200-240mm thick and has double rows of holes orderly and orthogonally arranged on the cross section are prepared by adopting the production process on trail, the production process is simple in step, so that the production cost is greatly lowered. The partition board is good in separating function and effect.
Description
Technical field: the invention belongs to building member and manufacture method thereof, particularly a kind of thick type double-row hole light aggregate concrete partition board and production technique thereof.
Background technology: light aggregate concrete lightweight aggregate concrete refers to be mixed with light-weight aggregate, unit weight is not more than the light concrete of 1900Kg/m3, also claims porous aggregate light concrete.Light aggregate concrete is widely applied what industry and covil construction and Other Engineering, can receive and alleviate dead load; Improve the anti-seismic performance of structure; Save material usage; Improve component conveying and lifting efficiency; Reduce foundation load and improve building function, as heat insulating and the benefit such as fire-resistant.Therefore from 60～seventies of 20th century, the production of light aggregate concrete and utilisation technology development are very fast, mainly, to lightweight, high-strength future development, widely apply what high level, longspan structure and building enclosure, particularly in a large number for making wall body construction.
The fiber reinforcement fine aggregate glued stone concrete light partition board of prior art document 1 and production process thereof, in use there are the following problems and deficiency:
One, the fiber reinforcement fine aggregate glued stone concrete light partition board of prior art document 1 adopts traditional " sandwich " sandwich structure to cause the defect and the disadvantage that in use, occur:
1, between sandwich layer and the surface layer on both sides, there is the poor problem of structural cohesive strength, especially when the chemical material such as solidifying stone gelling and high efficiency water reducing agent, porous plastics in composition surface layer and sandwich layer are ageing aging along with duration of service, between sandwich layer and the surface layer on both sides, be easy to occur crack, the phenomenon peeled off even.
2, composition surface layer and sandwich layer adopt in forming chemical material and the porous plastics such as solidifying stone gelling and high efficiency water reducing agent,, there is the hidden danger of polluting indoor environment in the effusion that inevitably brings toxic and harmful wherein.
3, the travertine gelled material of major ingredient in composition surface layer and sandwich layer, whether there is longterm strength, whether can ooze out hazardous and noxious substances, whether endanger other materials, whether can meet the performance requriementss such as construction, the experimentation having authoritative weight that the method that lacks to generally acknowledge is carried out.Research and development and the applicable cases of " solidifying stone ", in fact now also in the scientific research and testing stage, be far from being the actual use of popularization.
Two, the fiber reinforcement fine aggregate glued stone concrete light partition board process for making of prior art document 1 exists defect and disadvantage:
1, technological process is too complicated: on the one hand, adopt traditional " sandwich " sandwich structure, the three stage moulding processes of---sandwich layer---surface layer that must need bottom surface surface layer; On the other hand, the winding-up sedimentation moulding of upper and lower surface layer, the casting moulding of sandwich layer makes molding procedure more complicated; As everyone knows, casting moulding must be in the formula curing room of workshop covered with plastic film is quiet stops maintenance, after waiting for formed body final set and producing early strength, carry out tube drawing operation; And the band moulded product of extracting core pipe out enters steam-curing chamber and carry out temperature up to 60～100 ℃, the steam-cured time is the maintenance again of 4～8 hours, also needs to carry out milling levelling after the light cellular partition board demoulding after vapor cure; Last 15 old name for the Arabian countries in the Middle Easts of placing under the natural climate condition that is not less than one 5 ℃ can be used as finished product sale.
2, production cost is high: the tooling device needing in first technological process is numerous, outside common mould, the moulding of winding-up sedimentation needs expensive cantilevered to spray unit, also need the high vacuum dehydration unit of the supporting same price, the construction of tunnel like, hole formula, autoclave and formula steam-curing chamber, workshop, also needs to carry out the mechanical means that milling levelling is used after demoulding; It two is that technological process is too complicated as mentioned above, must bring time cost high; It three is the vapor cure of temperature up to 60～100 ℃, the considerable power consumption of numerous tooling devices, the inevitable production cost that further improve.
Light aggregate concrete wallboard application is in the time of Separate Home partition wall at present, and only having specification is the slim partition plate of 90-120mm thickness.This slim partition plate of prior art is subject to thickness limits, the single duct of its cross section ordered arrangement, and there are the following problems in actual use and deficiency:
1, when need to be at the enterprising line pipe wire routing of the division surface on partition plate both sides, due to only 90-120mm of thickness of wall body, in the middle of adding, be provided with duct, must cause the party wall after laying the line to be easily damaged and break-through, can not play well separation function.
2, this slim partition plate in single duct owing to single duct only playing sound insulation, heat insulation effect, is easily damaged and break-through when pipeline installation in addition as mentioned above, has further reduced its sound insulation as dividing wall, heat insulation effect.
3, only 90-120mm of this slim partition plate thickness, when when being greater than the lintel handing-over of 200mm with the shear wall of thickness 200mm or thickness, handing-over position produces and certainly leads to obvious corner angle, has had a strong impact on indoor Integral decoration effect.
Summary of the invention: the object of the invention is to overcome the deficiencies in the prior art, design a kind of production cost and significantly reduce, separation function and respond well thick type double-row hole light aggregate concrete partition board; Another object of the present invention is to overcome the deficiencies in the prior art, studies and designs a kind of operation and simplify, and has significantly reduced the light aggregate concrete partition board manufacturing process of production cost.
The object of the present invention is achieved like this:
A kind of thick type double-row hole light aggregate concrete partition board production technique,---mixed stirring adds water, and------plate---seasoning---finished product operation is cut, risen to vapor cure---in extrusion molding to comprise preparation of raw material, adopt the thickness 200-240 millimeter that this technique makes, the concrete partition in the double duct of the orderly perpendicular array of cross section, it is characterized in that:
Described in described preparation of raw material operation, the weight percent of raw material is:
All the other add be combined into by one or more any weight ratio in lytag, expanded slag pearl, cinder, tap density is not more than 1200kg/m
3light-weight aggregate to 100%;
The described mixed agitating procedure that adds water refers to above-mentioned raw materials is carried out fully mixing after stirring, adds the water that accounts for above-mentioned raw materials weight percent 25-35%, more fully mix and stir into stand-by raw material according to the dry wet degree of above-mentioned raw materials;
Described extrusion molding operation refers to aforementioned stand-by raw material, add in the hopper of special light partition wall panel extrusion shaper tool, be not less than at temperature under the envrionment conditions of 5 ℃, through vibration and spiral stirring blade dense extrusion moulding process, obtain work in-process concrete partition that the width of strip meets processing requirement, thickness 200-240 millimeter, the double duct of the orderly perpendicular array of cross section on smooth moulding place; In spiral stirring blade dense extrusion process self-assembling formation the double duct of the orderly perpendicular array of cross section.
Special light partition wall panel extrusion shaper tool cardinal principle: main motor is by the V-type belt wheel reduction box of pulling together to pass to, thus in the forming cavity that band association spiral stirring blade forms at its underpart wallboard, vibrator and pedestal, rotate.When work, the spiral stirring blade rotating in accordance with regulations in forming cavity is constantly delivered to the compound from hopper in forming cavity, produce and resonate and be constantly extruded closely knit being subject under the dual function that spiral stirring blade extruding and vibrator vibrate continuously stand-by raw material, also the cutter that stirs rotating is produced to reactive force simultaneously, extrusion machine is advanced ceaselessly, realize the whole process of continuous plate, by the profiled blade of this drive end unit, the specification of quality by troweling above batten to processing requirement.
Described vapor cure operation refers to the work in-process concrete partition of growth strip is passed into steam under air-proof condition and gives maintenance adding a cover to go along with sb. to guard him, first vapor cure 10 hours under the environment of 30 ℃, and then the vapor cure 14 hours that continues to heat under the environment of 55 ℃; Described cutting, rise plate operation refer to above-mentioned growth strip through 24 hours steam-cured work in-process concrete partitions, use cutting mechanics transverse cutting to become length to meet the monolithic work in-process concrete partition of processing requirement, then use loading appliance that monolithic work in-process concrete partition monoblock from moulding place is carried to seasoning place; Described seasoning operation refers to carries out seasoning 28 days by above-mentioned monolithic work in-process concrete partition in normal temperature physical environment; Described finished product operation refers to carries out inspection after construction by above-mentioned monolithic work in-process concrete partition after seasoning in 28 days by processing requirement, and qualified finished product can dispatch from the factory or put in storage.Described silicate cement refers to 52.5R early strength silicate cement.Described sal active mineral material refers to that one or more in ground granulated blast furnace slag, flyash, bottom slag are ground to specific surface area>=350M
2any weight ratio mixture of/Kg, wherein contains activity index components by weight>=75% of 7 days, activity index components by weight>=95% of 28 days.Described alkaline excitation material refers to one or more the weight ratio mixture in unslaked lime, carbide slag, wherein contains weight ratio >=70% of active CaO.Described Vltra tears refer to hydroxypropyl methoxyl group, weight ratio 7.0-12.0% that contains weight ratio 28.0-30.0%, 100 order percent of pass be greater than 98.5%, 80 order percent of pass 100%, safety non-toxic, empty calory, mucous membrane contact non-stimulated white or off-white powder shape Vltra tears.
Thick type double-row hole light aggregate concrete partition board is the thickness 200-240 millimeter that makes of above-mentioned production technique, the thick type double-row hole light aggregate concrete partition board in the double duct of the orderly perpendicular array of cross section.
Described light aggregate concrete partition board is added water and is mixed into raw material by light-weight aggregate, silicate cement and sal active mineral material, alkaline excitation material, Vltra tears, through the matrix of vibration and the moulding of spiral stirring blade dense extrusion, the double duct that is designed with orderly perpendicular array in matrix forms.The double duct of described orthogonal orderly perpendicular array, refers to that the position in two round roads is consistency from top to bottom on cross section, and so double duct is distributed with the closely knit moulding that is beneficial to four edges and corners in vibration and spiral stirring blade dense extrusion moulding process; On cross section, be interlaced and be different from the position in the duct shown in the fiber reinforcement fine aggregate glued stone concrete light partition board of prior art document 1, the interlaced distribution in this double duct is unfavorable for the closely knit moulding of four edges and corners in vibration and spiral stirring blade dense extrusion moulding process, particularly can collapse because being difficult to dense extrusion away from the edges and corners in duct, produce waste product.
The matrix left and right connection lateral layout of described light aggregate concrete partition board is useful on to interlock and connects strip tenon and the groove of use.The thickness of described matrix is 200-240 millimeter.
The thick type double-row hole light aggregate concrete partition board manufacturing process that the invention process obtains, through on probation, has compared with prior art shown operation simplification, has significantly reduced the beneficial effect of production cost:
Compared with the fiber reinforcement fine aggregate glued stone concrete light partition board process for making of prior art document 1, the three stage moulding processes of having got rid of bottom surface surface layer---sandwich layer---surface layer, become once through vibration and the moulding of spiral stirring blade dense extrusion; Because the double duct of the orderly perpendicular array of cross section in the moulding of spiral stirring blade dense extrusion is self-assembling formation in spiral stirring blade dense extrusion process, carry out tube drawing operation without the medium body final set to be formed of fiber reinforcement fine aggregate glued stone concrete light partition board center core layer casting moulding of prior art document 1 with after producing early strength; Maintenance operation is also controlled at the steam-cured two-step approach maintenance of 60～100 ℃ by the quiet temperature of stopping maintenance and tunnel like, hole formula, autoclave and the steam-cured chamber of formula, workshop of covered with plastic film in the workshop formula curing room in the fiber reinforcement fine aggregate glued stone concrete light partition board technological process of prior art document 1 and is reduced to and goes along with sb. to guard him the single stage method vapor cure that passes into 30-55 ℃ under air-proof condition adding a cover; Owing to being naturally squeezed into closely knit smooth upper and lower surface in vibration and spiral stirring blade dense extrusion moulding process, after light cellular partition board demoulding without prior art document 1, also need to carry out milling levelling operation, further simplify operation, thereby the mechanical means of using without configuration rates high cantilevered injection unit, vacuum dehydration unit, milling levelling, and build tunnel like, hole formula, autoclave and formula steam-curing chamber, workshop; And the single stage method vapor cure of 30-55 ℃ compared to existing technology the vapor cure of 60～100 ℃ in document 1 two-step approach maintenance saved the energy, this has just reduced production cost from many aspects.
The thick type double-row hole light aggregate concrete partition board that the invention process obtains, through on probation, compared with prior art have production cost and significantly reduces, separation function and respond well beneficial effect:
Compared with the fiber reinforcement fine aggregate glued stone concrete light partition board production cost of prior art document 1, as mentioned above, production process operation of the present invention is simplified, and has significantly reduced production cost.
Compared with the slim partition plate of the single duct thickness 90-120mm of prior art, because enlarged in thickness is to 200-240 millimeter, the orderly perpendicular array of cross section has double duct, when the enterprising line pipe wire routing of division surface, there will not be and be damaged and the situation of break-through, the structure in the double duct of the orderly perpendicular array of enlarged in thickness and cross section has been guaranteed good sound insulation, heat insulation effect, trial-production finished product reaches 55dB through the detection air-borne sound oise insulation factor Rw at building material product quality examination station, Jiangsu Province, Rw >=the 40dB. that has exceeded standard-required has reached deluxe hotel's required standard, fire endurance > 4h, the > 1h of the regulation that is above standard.And in the time being used in the shear wall of thickness 200mm or thickness and being greater than the lintel handing-over of 200mm, handing-over position is smooth, has guaranteed indoor Integral decoration effect.
Accompanying drawing explanation: Fig. 1 is the schematic diagram that meets thematic structure of the present invention.
Embodiment: implementation detail of the present invention is described as follows below in conjunction with embodiment and accompanying drawing:
Technological process is implemented according to the requirement in technical solution of the present invention, and embodiment 1,2,3 provides three kinds of preferred weight percents of raw material described in preparation of raw material operation:
As shown in Figure 1, a kind of thick type double-row hole light aggregate concrete partition board, it is characterized in that described light aggregate concrete partition board is added water and is mixed into raw material by light-weight aggregate, silicate cement and sal active mineral material, alkaline excitation material, Vltra tears, through the matrix 1 of vibration and the moulding of spiral stirring blade dense extrusion, the double duct 2 that is designed with orderly perpendicular array in matrix forms.
As shown in Figure 1, the matrix 1 left and right connection lateral layout of described light aggregate concrete partition board is useful on to interlock and connects strip tenon 3 and the groove 4 of use.The thickness of described matrix 1 is 200-240 millimeter.
Claims (8)
1. a thick type double-row hole light aggregate concrete partition board production technique,---mixed stirring adds water, and------plate---seasoning---finished product operation is cut, risen to vapor cure---in extrusion molding to comprise preparation of raw material, adopt the thickness 200-240 millimeter that this technique makes, the concrete partition in the double duct of the orderly perpendicular array of cross section, it is characterized in that:
Described in described preparation of raw material operation, the weight percent of raw material is:
All the other add be combined into by one or more any weight ratio in lytag, expanded slag pearl, cinder, tap density is not more than 1200kg/m
3light-weight aggregate to 100%;
The described mixed agitating procedure that adds water refers to above-mentioned raw materials is carried out fully mixing after stirring, adds the water that accounts for above-mentioned raw materials weight percent 25-35%, more fully mix and stir into stand-by raw material according to the dry wet degree of above-mentioned raw materials;
Described extrusion molding operation refers to aforementioned stand-by raw material, add in the hopper of special light partition wall panel extrusion shaper tool, be not less than at temperature under the envrionment conditions of 5 ℃, through vibration and spiral stirring blade dense extrusion moulding process, obtain work in-process concrete partition that the width of strip meets processing requirement, thickness 200-240 millimeter, the double duct of the orderly perpendicular array of cross section on smooth moulding place;
Described vapor cure operation refers to the work in-process concrete partition of growth strip is passed into steam under air-proof condition and gives maintenance adding a cover to go along with sb. to guard him, first vapor cure 10 hours under the environment of 30 ℃, and then the vapor cure 14 hours that continues to heat under the environment of 55 ℃;
Described cutting, rise plate operation refer to above-mentioned growth strip through 24 hours steam-cured work in-process concrete partitions, use cutting mechanics transverse cutting to become length to meet the monolithic work in-process concrete partition of processing requirement, then use loading appliance that monolithic work in-process concrete partition monoblock from moulding place is carried to seasoning place;
Described seasoning operation refers to carries out seasoning 28 days by above-mentioned monolithic work in-process concrete partition in normal temperature physical environment;
Described finished product operation refers to carries out inspection after construction by above-mentioned monolithic work in-process concrete partition after seasoning in 28 days by processing requirement, and qualified finished product can dispatch from the factory or put in storage.
2. thick type double-row hole light aggregate concrete partition board production technique according to claim 1, is characterized in that described silicate cement refers to 52.5R early strength silicate cement.
3. thick type double-row hole light aggregate concrete partition board production technique according to claim 1, is characterized in that described sal active mineral material refers to that one or more in ground granulated blast furnace slag, flyash, bottom slag are ground to specific surface area>=350M
2any weight ratio mixture of/Kg, wherein contains activity index components by weight>=75% of 7 days, activity index components by weight>=95% of 28 days.
4. thick type double-row hole light aggregate concrete partition board production technique according to claim 1, it is characterized in that described alkaline excitation material refers to one or more the weight ratio mixture in unslaked lime, carbide slag, wherein contains weight ratio >=70% of active CaO.
5. thick type double-row hole light aggregate concrete partition board production technique according to claim 1, it is characterized in that described Vltra tears refer to hydroxypropyl methoxyl group, weight ratio 7.0-12.0% that contains weight ratio 28.0-30.0%, 100 order percent of pass be greater than 98.5%, 80 order percent of pass 100%, safety non-toxic, empty calory, mucous membrane contact non-stimulated white or off-white powder shape Vltra tears.
6. the thickness 200-240 millimeter that employing thick type double-row hole light aggregate concrete partition board production technique claimed in claim 1 makes, the thick type double-row hole light aggregate concrete partition board in the double duct of the orderly perpendicular array of cross section.
7. thick type double-row hole light aggregate concrete partition board according to claim 6, it is characterized in that described light aggregate concrete partition board is added water and is mixed into raw material by light-weight aggregate, silicate cement and sal active mineral material, alkaline excitation material, Vltra tears, through the matrix (1) of vibration and the moulding of spiral stirring blade dense extrusion, the double duct (2) that is designed with orderly perpendicular array in matrix forms.
8. thick type double-row hole light aggregate concrete partition board according to claim 6, is characterized in that matrix (1) the left and right connection lateral layout of described light aggregate concrete partition board is useful on the strip tenon (3) and the groove (4) that interlock and connect.
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Cited By (7)
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| CN104129947A (en) * | 2014-07-18 | 2014-11-05 | 房晓磊 | Lightweight concrete porous plate section bar and preparation technology thereof |
| CN104310871A (en) * | 2014-09-27 | 2015-01-28 | 安徽省中坤元新型建材有限公司 | A coal ash/blast furnace slag powder composite light partition plate and a manufacturing method thereof |
| CN104631694A (en) * | 2015-01-26 | 2015-05-20 | 上海达壁美新材料有限公司 | Manufacturing method of lightweight partition wall |
| CN104675010A (en) * | 2014-12-31 | 2015-06-03 | 中国建筑股份有限公司 | Coal-based gas dreg light-weight micro-pore concrete composite sheet material and preparation method thereof |
| CN105822006A (en) * | 2016-04-29 | 2016-08-03 | 镇江市丹徒区谷阳恒盛建材厂 | Novel lightweight aggregate concrete partition wall ribbon board and installation and construction technology thereof |
| CN106336168A (en) * | 2016-08-23 | 2017-01-18 | 珠海华科建筑工程技术有限公司 | Inner core plate and wallboard prepared from inner core plate |
| CN106892587A (en) * | 2015-12-18 | 2017-06-27 | 天津拓展伟创材料研究有限公司 | Light indoor prefabricated partition board and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129947A (en) * | 2014-07-18 | 2014-11-05 | 房晓磊 | Lightweight concrete porous plate section bar and preparation technology thereof |
| CN104310871A (en) * | 2014-09-27 | 2015-01-28 | 安徽省中坤元新型建材有限公司 | A coal ash/blast furnace slag powder composite light partition plate and a manufacturing method thereof |
| CN104310871B (en) * | 2014-09-27 | 2016-05-11 | 安徽省中坤元新型建材有限公司 | Light cellular partition board that a kind of flyash/ground granulated blast furnace slag is compound and preparation method thereof |
| CN104675010A (en) * | 2014-12-31 | 2015-06-03 | 中国建筑股份有限公司 | Coal-based gas dreg light-weight micro-pore concrete composite sheet material and preparation method thereof |
| CN104675010B (en) * | 2014-12-31 | 2016-08-24 | 中国建筑股份有限公司 | The preparation method of coal gas slag light microporous concrete slab material |
| CN104631694A (en) * | 2015-01-26 | 2015-05-20 | 上海达壁美新材料有限公司 | Manufacturing method of lightweight partition wall |
| CN104631694B (en) * | 2015-01-26 | 2016-01-27 | 上海达壁美新材料有限公司 | The preparation method of light cellular partition board |
| CN106892587A (en) * | 2015-12-18 | 2017-06-27 | 天津拓展伟创材料研究有限公司 | Light indoor prefabricated partition board and preparation method thereof |
| CN105822006A (en) * | 2016-04-29 | 2016-08-03 | 镇江市丹徒区谷阳恒盛建材厂 | Novel lightweight aggregate concrete partition wall ribbon board and installation and construction technology thereof |
| CN105822006B (en) * | 2016-04-29 | 2018-08-28 | 镇江市丹徒区谷阳恒盛建材厂 | Novel light aggregate concrete partition wall batten and its construction technique |
| CN106336168A (en) * | 2016-08-23 | 2017-01-18 | 珠海华科建筑工程技术有限公司 | Inner core plate and wallboard prepared from inner core plate |
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