CN102909787A - Cast-in-situ construction method of composite foaming slurry - Google Patents
Cast-in-situ construction method of composite foaming slurry Download PDFInfo
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- CN102909787A CN102909787A CN2012102195039A CN201210219503A CN102909787A CN 102909787 A CN102909787 A CN 102909787A CN 2012102195039 A CN2012102195039 A CN 2012102195039A CN 201210219503 A CN201210219503 A CN 201210219503A CN 102909787 A CN102909787 A CN 102909787A
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Abstract
The invention provides a cast-in-situ construction method of a composite foaming slurry. The cast-in-situ construction method is carried out by use of a composite foaming slurry mixing conveyor through the processes of mixing, foaming and conveying casting. The cladding expansion polystyrene particles with different particle sizes are used as light aggregate, a cementing material is used as a foaming binding agent, the light aggregate and the foaming binding agent are conveyed for cast-in-situ through mixing and stirring to form a thermal insulation wall or thermal insulation layer. The formed thermal insulation wall or thermal insulation layer has the advantages of small volume weight, high porosity factor, and good intensity and thermal insulation performance. The method is suitable for the thermal insulation wall or the thermal insulation layer cast-in-situ construction application in the building field and the engineering field.
Description
Technical field
The present invention relates to the construction method of building field, specifically composite foamed slurry cast-in-site construction method.
Background technology
For building energy-saving, usually at body of wall heat insulation layer is set, or adopts the building block with heat preservation and insulation to build by laying bricks or stones.Normally used thermal insulator is to adopt foamed polystyrene board, because XPS exists and body of wall binding ability shortcoming poor and that lighted easily, therefore many fire incidents appear, even cause casualties, investigating reason is that polystyrene thermal insulation plate is inflammable organic material, it is on fire very easily to burn after touching kindling material, and in the situation that reaches the gasification point temperature, can decompose, produce a large amount of toxic gases, the chain reaction that causes human body to suffocate and poison, therefore, country has forbidden adopting polystyrene thermal insulation plate as the application of building heat preservation at present.
Before the present invention proposes, useful cement foamed insulation blocks or the body of wall that consists of that mix with granules of polystyrene, the shortcoming of existence is: granules of polystyrene is organic matter, has suspension in water, therefore is not easy to mix; So cause granules of polystyrene and cement mortar can not in conjunction with, therefore cause poor adhesive force intensity low.And when constructing thermal insulator, be directly with cement foamed slurry and the direct mix and blend of granules of polystyrene, therefore cement foamed hole is not easy evenly, and frothing percentage also is difficult to grasp, so be difficult in the building field extensive use.
Granules of polystyrene light weight and porous belongs to Organic Foam Material, granules of polystyrene are spherical, equal diameters; The cement foamed inorganic foamed body that belongs to, proportion is larger than granules of polystyrene, and both are difficult to Uniform Dispersion and mix.
Construction wall adopts concrete prefabricated method to make building block usually at present, by building the formation body of wall by laying bricks or stones, the shortcoming that exists is, blockwork carries out moulding and maintenance at production site, after the curing to be dried, is transported to the construction site, reach the predetermined altitude construction site by lifting, utilize cement mortar to carry out building wall, then plaster in the body of wall outside of building by laying bricks or stones, become body of wall.
The light building block that is constituted by light-weight aggregate and granules of polystyrene has reached application, to reach the purpose of wall heat insulation.But substantially all be to adopt prefabricated method.
Summary of the invention
In order to realize the construction of Binder Materials and the bluk recombination of covering expansion polystyrene and cast-in-site, the present invention proposes composite foamed slurry cast-in-site construction method.The method cooperates by granules of polystyrene expansion process, particle diameter and mixes with the Binder Materials foaming, is transported to the construction site by screw pump and carries out cast-in-site, solves the technical problem of composite foamed slurry cast-in-site.
The scheme that technical solution problem of the present invention adopts is:
1, the granules of polystyrene particle diameter cooperates and expansion process: select the granules of polystyrene masterbatch, wherein, in the total measurement (volume), 1 millimeter of diameter account for 50%, 2 millimeter account for 30%, 3 millimeter account for 20%; Through control Steam Heating expansion process, enlarged-diameter to 3 millimeter after 1 millimeter masterbatch expands, enlarged-diameter to 6 millimeter after 2 millimeters masterbatch expand, enlarged-diameter to 9 millimeter after 3 millimeters masterbatch expand.Form the expansion polystyrene body.
2, granules of polystyrene covering: the granules of polystyrene body and function glue mix after will expanding, then put into shaking machine, put into the Binder Materials siccative, shake, make the Binder Materials siccative stick to the expansion polystyrene surface, form the spherical expansion polystyrene body with covering.
3, use composite foamed slurry stirring conveyor to carry out cast-in-site: composite foamed slurry stirring conveyor structure: the horizontal shaft that is equipped with in tank diameter, shaft one end passes the stirring cell wall and is connected with stirring motor, at the shaft interlude stirring rod is installed, on the shaft at stirring rod two ends paddle is installed, tank diameter one side is connected with foaming cylinder and foamed slurry groove, in foamed slurry groove bottom screw pump is installed, is provided with discharging opening at screw pump one end.The foam maker container is connected via blowing agent valve, blowing agent carrier pipe and foam maker successively; Air compressor machine is connected with the foaming cylinder by the pressure-air carrier pipe; Foam maker is arranged in the foaming cylinder.
4, covering expansion polystyrene body distributes in foamed slurry:
In composite foamed slurry, particle diameter is distributed in the foaming body at the mutual interpolation slit of covering expansion polystyrene body of 3 millimeters, 6 millimeters and 9 millimeters.
5, composite foamed slurry cast-in-site step:
One, batch mixing:
1) the expansion polystyrene body behind water, Binder Materials, the covering is joined the left side of tank diameter by set amount, along with the motion of left side paddle, the expansion polystyrene body behind Binder Materials, the covering and water are formed just batch mixing.
2) along with the left side paddle rotates the propelling to the right of first batch mixing, arrive the position of stirring rod, further mix again, become premix.
3) arrive the right-hand member of stirring rod when premix, come from the bubble that the pressure-air of foam maker blows out and enter into premix by the foaming cylinder, bubble is fully mixed with premix, bubble is dispersed in the premix, form foamed slurry, under the effect of right side paddle, foamed slurry is pushed in the foamed slurry groove.
Two, cast:
Under screw pump rotation conveying effect, the foamed slurry that enters into the foamed slurry groove is discharged to the cast scene from discharging opening.
Good effect because the present invention adopts expansion polystyrene body behind the covering of different-grain diameter as light-weight aggregate, adopts Binder Materials as binding agent, pours into a mould through mix and blend foaming and the scene that is transported to, and becomes heat-preserving wall or insulation aspect.Formed heat-preserving wall or heat-insulation layer mask have unit weight little, and porosity is high, the advantage of intensity and good heat insulating.Suitable to building field and engineering field heat-preserving wall or the application of insulation aspect cast-in-site.
Description of drawings
Fig. 1 is expansion polystyrene covering schematic diagram of the present invention
Fig. 2 is LIFT structural representation of the present invention
Fig. 3 is the composite foamed slurry stirring conveyor of the present invention structure chart
Among the figure, 01. expansion polystyrene body, 011. covering, 02. foamed slurry pouring layer, 1. stirring motor, 2. tank diameter, 3. stirring rod, 4. paddle, 5. shaft, 6. blowing agent container, 7. blowing agent valve, 8. blowing agent carrier pipe, 9. foam maker, 10. foaming cylinder, 11. air compressor machines, 12. pressure-air carrier pipes, 13. the foamed slurry groove, 14. screw pumps, 15. discharging openings.
The specific embodiment
1, the granules of polystyrene particle diameter cooperates and expansion process:
Select the granules of polystyrene masterbatch, wherein, in the total measurement (volume), 1 millimeter of diameter account for 50%, 2 millimeter account for 30%, 3 millimeter account for 20%; Through control Steam Heating expansion process, enlarged-diameter to 3 millimeter after 1 millimeter masterbatch expands, enlarged-diameter to 6 millimeter after 2 millimeters masterbatch expand, enlarged-diameter to 9 millimeter after 3 millimeters masterbatch expand.Form expansion polystyrene body 01.
2, granules of polystyrene covering:
According to shown in Figure 1, with the granules of polystyrene body and function glue mix after expanding, then put into shaking machine, put into the Binder Materials siccative, shake, make the Binder Materials siccative stick to expansion polystyrene and show, form the orbicule with covering 011.
3, use composite foamed slurry stirring conveyor to carry out cast-in-site:
According to shown in Figure 2, composite foamed slurry stirring conveyor structure: at the tank diameter 2 interior horizontal shafts 5 that are equipped with, shaft one end passes the stirring cell wall and is connected with stirring motor 1, at the shaft interlude stirring rod 3 is installed, paddle 4 is installed on the shaft at stirring rod two ends, tank diameter one side is connected with foaming cylinder 10 and foamed slurry groove 13, in foamed slurry groove bottom screw pump 14 is installed, and is provided with discharging opening 15 at screw pump one end.
The foam maker container is connected via blowing agent valve 7, blowing agent carrier pipe 8 and foam maker 9 successively; Air compressor machine 11 is connected with the foaming cylinder by pressure-air carrier pipe 12; Foam maker is arranged in the foaming cylinder.
4, covering expansion polystyrene body distributes in foamed slurry:
According to shown in Figure 3, in composite foamed slurry, particle diameter is distributed in the foamed slurry pouring layer 02 at the covering expansion polystyrene body 01 mutual interpolation slit of 3 millimeters, 6 millimeters and 9 millimeters.
5, composite foamed slurry cast-in-site step:
One, batch mixing:
1) the expansion polystyrene body behind water, Binder Materials, the covering is joined the left side of tank diameter by set amount, along with the motion of left side paddle, the expansion polystyrene body behind Binder Materials, the covering and water are formed just batch mixing.
2) along with the left side paddle rotates the propelling to the right of first batch mixing, arrive the position of stirring rod, further mix again, become premix.
3) arrive the right-hand member of stirring rod when premix, come from the bubble that the pressure-air of foam maker blows out and enter into premix by the foaming cylinder, bubble is fully mixed with premix, bubble is dispersed in the premix, form foamed slurry, under the effect of right side paddle, foamed slurry is pushed in the foamed slurry groove.
Two, cast:
Under screw pump rotation conveying effect, the foamed slurry that enters into the foamed slurry groove is discharged to the cast scene from discharging opening.Realize batch mixing, inject the process of bubble and site transport cast.
Described Binder Materials is various types of silicate or aluminate cement, magnesia cement, lime, gypsum, any one of organic or inorganic colloid.
Described cast scene is the insulation aspect of plane or three-dimensional body of wall, engineering installation and plant equipment.
Described 3 millimeters, 6 millimeters and 9 mm dia expansion polystyrene body mixing ratios are percent volume to volume.
The advantage of the inventive method:
1, owing to adopts the granules of polystyrene masterbatch of different-grain diameter to process through steam expansion, form the expansion polystyrene body, wherein, particle diameter 3 millimeters account for 50%, particle diameter 6 millimeters account for 30%, particle diameter 9 millimeters account for 20%, the expansion polystyrene of its medium-small diameter can be filled in the space of large diameter granules of polystyrene, increase the filling rate of the expansion polystyrene body of unit volume, also increased the capacity of expansion polystyrene.Therefore, the heat-insulation layer face heavy and light of pouring into a mould, good heat insulating, expansion polystyrene body and Binder Materials bonded area behind the covering are large, thereby bulk strength is high.
2, because blowing agent mixes in the foaming cylinder with compressed air, blowing agent is fully foamed, become the bubble slurry, foamed slurry mixed foaming in bubble slurry and the tank diameter, can make fully to contact in blowing agent and the foamed slurry and mix, by carrying cast, form insulation aspect or thermal insulator.
3, because the granules of polystyrene behind the covering of different-grain diameter is conducive to be dispersed in the Binder Materials, and the product that formed composite foamed slurry is poured into a mould is organic and inorganic complex, both intensity height, lightweight again, good heat insulating.
Claims (4)
1. composite foamed slurry cast-in-site construction method is characterized in that:
(1), the granules of polystyrene particle diameter cooperates and expansion process:
Select the granules of polystyrene masterbatch, wherein, in the total measurement (volume), 1 millimeter of diameter account for 50%, 2 millimeter account for 30%, 3 millimeter account for 20%; Through control Steam Heating expansion process, enlarged-diameter to 3 millimeter after 1 millimeter masterbatch expands, enlarged-diameter to 6 millimeter after 2 millimeters masterbatch expand, enlarged-diameter to 9 millimeter after 3 millimeters masterbatch expand; Form expansion polystyrene body (01);
(2), granules of polystyrene covering:
With the granules of polystyrene body and function glue mix after expanding, then put into shaking machine, put into the Binder Materials siccative, shake, make the Binder Materials siccative stick to expansion polystyrene and show, form (011) the spherical expansion polystyrene body with covering;
(3), use composite foamed slurry stirring conveyor to carry out cast-in-site;
Composite foamed slurry stirring conveyor structure: the horizontal shaft (5) that is equipped with in tank diameter (2), shaft one end passes the stirring cell wall and is connected with stirring motor (1), at the shaft interlude stirring rod (3) is installed, paddle (4) is installed on the shaft at stirring rod two ends, tank diameter one side is connected with foaming cylinder (10) and foamed slurry groove (13), in foamed slurry groove bottom screw pump (14) is installed, is provided with discharging opening (15) at screw pump one end; The foam maker container is connected via blowing agent valve (7), blowing agent carrier pipe (8) and foam maker (9) successively; Air compressor machine (11) is connected with the foaming cylinder by pressure-air carrier pipe (12); Foam maker is arranged in the foaming cylinder;
(4), covering expansion polystyrene body distributes in foamed slurry:
In composite foamed slurry, the expansion polystyrene body (01) of particle diameter behind the covering of 3 millimeters, 6 millimeters and 9 millimeters mutually interpolation slit is distributed in the foamed slurry pouring layer (02);
(5), composite foamed slurry cast-in-site step:
One, batch mixing:
1) the expansion polystyrene body behind water, Binder Materials, the covering is joined the left side of tank diameter by set amount, along with the motion of left side paddle, the expansion polystyrene body behind Binder Materials, the covering and water are formed just batch mixing;
2) along with the left side paddle rotates the propelling to the right of first batch mixing, arrive the position of stirring rod, further mix again, become premix;
3) arrive the right-hand member of stirring rod when premix, come from the bubble that the pressure-air of foam maker blows out and enter into premix by the foaming cylinder, bubble is fully mixed with premix, bubble is dispersed in the premix, form foamed slurry, under the effect of right side paddle, foamed slurry is pushed in the foamed slurry groove;
Two, cast:
Under screw pump rotation conveying effect, the foamed slurry that enters into the foamed slurry groove is discharged to the cast scene from discharging opening.
2. composite foamed slurry cast-in-site construction method according to claim 1, it is characterized in that: described Binder Materials is various types of silicate or aluminate cement, magnesia cement, lime, gypsum, organic or inorganic colloid any.
3. composite foamed slurry cast-in-site construction method according to claim 1 is characterized in that: the on-the-spot insulation aspect for plane or three-dimensional body of wall, engineering installation and plant equipment of described cast.
4. composite foamed slurry cast-in-site construction method according to claim 1 is characterized in that: described 3 millimeters, 6 millimeters and 9 mm dia expansion polystyrene body mixing ratios are percent volume to volume.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210219503.9A CN102909787B (en) | 2012-06-29 | 2012-06-29 | Composite foamed slurry cast-in-site construction method |
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| CN201210219503.9A CN102909787B (en) | 2012-06-29 | 2012-06-29 | Composite foamed slurry cast-in-site construction method |
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| CN102909787A true CN102909787A (en) | 2013-02-06 |
| CN102909787B CN102909787B (en) | 2015-08-19 |
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| CN201210219503.9A Expired - Fee Related CN102909787B (en) | 2012-06-29 | 2012-06-29 | Composite foamed slurry cast-in-site construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264993A (en) * | 2014-08-14 | 2015-01-07 | 侯铁山 | Cement foaming external wall thermal insulation construction process and matched pouring truck |
| CN116063032A (en) * | 2022-12-13 | 2023-05-05 | 万卓（武汉）新材料有限公司 | Ultralight board and preparation method thereof |
| CN116410017A (en) * | 2022-12-22 | 2023-07-11 | 万卓（武汉）新材料有限公司 | Preparation method of light board mixed slurry |
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| US4735755A (en) * | 1985-02-25 | 1988-04-05 | Vorbij's Beton B.V. | Method for the preparation of a setting foam material containing plastic-material granules |
| CN1385393A (en) * | 2002-06-05 | 2002-12-18 | 穆怀忠 | Cement and polystyrene foaming granule mixed products and method for making same |
| CN1749203A (en) * | 2005-07-14 | 2006-03-22 | 重庆大学 | Heat insulation and sound insulation material for flour and its preparing method |
| CN201800130U (en) * | 2010-04-19 | 2011-04-20 | 滑曙光 | Special agitating, foaming, mixing and conveying integrative machine for foamed concrete |
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-
2012
- 2012-06-29 CN CN201210219503.9A patent/CN102909787B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4735755A (en) * | 1985-02-25 | 1988-04-05 | Vorbij's Beton B.V. | Method for the preparation of a setting foam material containing plastic-material granules |
| CN1385393A (en) * | 2002-06-05 | 2002-12-18 | 穆怀忠 | Cement and polystyrene foaming granule mixed products and method for making same |
| CN1749203A (en) * | 2005-07-14 | 2006-03-22 | 重庆大学 | Heat insulation and sound insulation material for flour and its preparing method |
| CN201800130U (en) * | 2010-04-19 | 2011-04-20 | 滑曙光 | Special agitating, foaming, mixing and conveying integrative machine for foamed concrete |
| CN102229206A (en) * | 2011-06-23 | 2011-11-02 | 沈阳金铠建筑科技股份有限公司 | On-line production method and device of composite foamed slurry |
Non-Patent Citations (1)
| Title |
|---|
| 陈光剑等: "轻质保温隔墙板的制备及性能研究", 《厦门大学学报》, vol. 51, no. 3, 31 May 2012 (2012-05-31), pages 365 - 371 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264993A (en) * | 2014-08-14 | 2015-01-07 | 侯铁山 | Cement foaming external wall thermal insulation construction process and matched pouring truck |
| CN116063032A (en) * | 2022-12-13 | 2023-05-05 | 万卓（武汉）新材料有限公司 | Ultralight board and preparation method thereof |
| CN116410017A (en) * | 2022-12-22 | 2023-07-11 | 万卓（武汉）新材料有限公司 | Preparation method of light board mixed slurry |
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| CN102909787B (en) | 2015-08-19 |
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Granted publication date: 20150819 Termination date: 20160629 |