CN110256000A - A kind of production technology of Prefabricated composite thermal insulating board - Google Patents

A kind of production technology of Prefabricated composite thermal insulating board Download PDF

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Publication number
CN110256000A
CN110256000A CN201910590843.4A CN201910590843A CN110256000A CN 110256000 A CN110256000 A CN 110256000A CN 201910590843 A CN201910590843 A CN 201910590843A CN 110256000 A CN110256000 A CN 110256000A
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CN
China
Prior art keywords
concrete
steel mesh
thermal insulating
insulating board
composite thermal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910590843.4A
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Chinese (zh)
Inventor
龚培友
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Great Wall Construction Technology Co Ltd
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Nantong Great Wall Construction Technology Co Ltd
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Filing date
Publication date
Application filed by Nantong Great Wall Construction Technology Co Ltd filed Critical Nantong Great Wall Construction Technology Co Ltd
Priority to CN201910590843.4A priority Critical patent/CN110256000A/en
Publication of CN110256000A publication Critical patent/CN110256000A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

Abstract

The invention discloses a kind of production technologies of Prefabricated composite thermal insulating board, install, pour by the preparation of concrete, the preparation of steel mesh, molding, embedded part, post-processing, quality inspection and field curing step, completing the production technology of Prefabricated composite thermal insulating board;The present invention uses specific concrete formulation, effectively increases whole compression strength, meanwhile, by installation steel mesh, the cohesive force between concrete is improved, whole intensity is further increased, and, preparation process of the present invention is simple, and operating comfort is high.Meanwhile the present invention is added to water-reducing agent in Concrete, efficiently solve as water concentration it is excessively high caused by the too fast phenomenon of slump-loss, reduce concrete water amount, ensure that the intensity of concrete indirectly;The present invention additionally uses aqueous release agent, and stripping result is good;The addition of hearthstone powder effectively plays the effect of impermeabilisation, makes whole with permeability resistance.

Description

A kind of production technology of Prefabricated composite thermal insulating board
Technical field
The invention belongs to construction processes fields, and in particular to a kind of production technology of Prefabricated composite thermal insulating board.
Background technique
Prefabricated composite thermal insulating board is exactly the floor in early stage building.It is exactly the module or plate to be used of engineering.Cause To be directly to transport to construction site after factory process molding to be installed, so being prefabricated board.When making prefabricated board, first with wood Plate follows closely hollow mould processed, after the hollow part of model is distributed upper reinforcing bar, fills hollow parts with cement, waits dry rear knock-off plank, Remaining is exactly prefabricated board.There are many use of the prefabricated board in building, such as the cement plate covered on the ditch beside highway;Room The cement plate that thermal insulation layer is done on top is all prefabricated board.Existing concrete prefabricated board bending strength is lower and the high disadvantage of brittleness, Cause concrete to be also easy to produce crack in use to be even broken, so that the general safety and service life of building are seriously affected, and Preparation method is complicated, and cost is excessively high.
Summary of the invention
The purpose of the present invention is to provide intensity height, the Prefabricated composite thermal insulating board that preparation process is simple and manufacturing cost is low Production technology.
To achieve the above object, the invention provides the following technical scheme: a kind of production technology of Prefabricated composite thermal insulating board, warp Cross the preparation of concrete, the preparation of steel mesh, molding, embedded part are installed, are poured, post-processing, quality inspection and field curing step, complete The production technology of Prefabricated composite thermal insulating board;Specific step is as follows:
(1) preparation of concrete: cement, sand, rubble, water, water-reducing agent and composite fine powders are mixed, stirring, complete At the preparation of concrete;
(2) preparation of steel mesh: by reinforcing bar through straightening, it is anti-dandruff, break technique, form reinforcing rod, be assembled into steel mesh, will The tie point sealing welding of steel mesh, completes the preparation of steel mesh;
(3) molding: clearing up die station, sprays release agent, is crossed according to the data being calculated, side mode is pacified It installs into, forms mold, then steel mesh is placed in mold, carries out the installation of steel mesh;
(4) embedded part is installed: embedded part being mounted on to the upper end of steel mesh, completes the installation of embedded part;
(5) it pours: by the concreting after preparation in mold, carrying out vibration compacting;
(6) it post-processes: the concrete after pouring carries out striking off plucking, then manually use trowel by the table of concrete Face smoothes out, and concrete surface is finally carried out press polish, and steam curing repeats step (3), step (4), step after demoulding, overturning Suddenly the technique of (5) and step (6), completes the preparation of another side;
(7) quality inspection: the inspection that the product after the completion of two-sided preparation carries out outer surface is cleared up if qualified, into Enter subsequent processing;If unqualified, repairing is returned;
(8) field curing: the product overlay film of quality inspection qualification is subjected to field curing, that is, completes Prefabricated composite thermal insulating board Production technology.
Further, the additive amount of cement is 200-300 mass parts in the step (1), and the additive amount of sand is 120- 150 mass parts, the additive amount of rubble are 500-700 mass parts, and the additive amount of water is 400-520 mass parts, the addition of water-reducing agent Amount is 1-4 parts, and the additive amount of composite fine powders is 12-16 mass parts.
Further, composite fine powders are made of silicon powder and hearthstone powder in the step (1), and the silicon powder is mixed with hearthstone powder Composition and division in a proportion is 2:1, and the mixing speed is 30-40r/min, and the mixing time is 10-14min.
Further, the release agent in the step (3) selects aqueous release agent.
Further, the steam-cured temperature in the step (6) is 60-80 degrees Celsius, and curing time is that 12-16 is small When.
Compared with prior art, it the beneficial effects of the present invention are: the present invention uses specific concrete formulation, effectively improves Whole compression strength, meanwhile, by installing steel mesh, the cohesive force between concrete is improved, entirety is further increased Intensity, and, preparation process of the present invention is simple, and operating comfort is high.
Detailed description of the invention
Fig. 1 is production technological process of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
It is as shown in Figure 1 production technological process of the invention.
Embodiment 1
A kind of production technology of Prefabricated composite thermal insulating board, by the preparation of concrete, the preparation of steel mesh, molding, embedded part It installs, pour, post-processing, quality inspection and field curing step, completing the production technology of Prefabricated composite thermal insulating board;Specific steps are such as Under:
(1) preparation of concrete: cement, sand, rubble, water, water-reducing agent and composite fine powders are mixed, stirring, complete At the preparation of concrete;
The additive amount of cement is 200 mass parts, and the additive amount of sand is 120 mass parts, and the additive amount of rubble is 500 mass Part, the additive amount of water is 400 mass parts, and the additive amount of water-reducing agent is 1 part, and the additive amount of composite fine powders is 12 mass parts.
Composite fine powders are made of silicon powder and hearthstone powder, and the mixing ratio of silicon powder and hearthstone powder is 2:1, mixing speed 30r/ Min, mixing time 10min.
(2) preparation of steel mesh: by reinforcing bar through straightening, it is anti-dandruff, break technique, form reinforcing rod, be assembled into steel mesh, will The tie point sealing welding of steel mesh, completes the preparation of steel mesh;
(3) molding: clearing up die station, sprays release agent, is crossed according to the data being calculated, side mode is pacified It installs into, forms mold, then steel mesh is placed in mold, carries out the installation of steel mesh;Release agent selects aqueous release agent.
(4) embedded part is installed: embedded part being mounted on to the upper end of steel mesh, completes the installation of embedded part;
(5) it pours: by the concreting after preparation in mold, carrying out vibration compacting;
(6) it post-processes: the concrete after pouring carries out striking off plucking, then manually use trowel by the table of concrete Face smoothes out, and concrete surface is finally carried out press polish, and steam curing repeats step (3), step (4), step after demoulding, overturning Suddenly the technique of (5) and step (6), completes the preparation of another side;Steam-cured temperature is 60 degrees Celsius, and curing time is 12 small When.
(7) quality inspection: the inspection that the product after the completion of two-sided preparation carries out outer surface is cleared up if qualified, into Enter subsequent processing;If unqualified, repairing is returned;
(8) field curing: the product overlay film of quality inspection qualification is subjected to field curing, that is, completes Prefabricated composite thermal insulating board Production technology.
Embodiment 2
A kind of production technology of Prefabricated composite thermal insulating board, by the preparation of concrete, the preparation of steel mesh, molding, embedded part It installs, pour, post-processing, quality inspection and field curing step, completing the production technology of Prefabricated composite thermal insulating board;Specific steps are such as Under:
(a) preparation of concrete: cement, sand, rubble, water, water-reducing agent and composite fine powders are mixed, stirring, complete At the preparation of concrete;
The additive amount of cement is 300 mass parts, and the additive amount of sand is 150 mass parts, and the additive amount of rubble is 700 mass Part, the additive amount of water is 520 mass parts, and the additive amount of water-reducing agent is 4 parts, and the additive amount of composite fine powders is 16 mass parts.
Composite fine powders are made of silicon powder and hearthstone powder, and the mixing ratio of silicon powder and hearthstone powder is 2:1, mixing speed 40r/ Min, mixing time 14min.
(b) preparation of steel mesh: by reinforcing bar through straightening, it is anti-dandruff, break technique, form reinforcing rod, be assembled into steel mesh, will The tie point sealing welding of steel mesh, completes the preparation of steel mesh;
(c) molding: clearing up die station, sprays release agent, is crossed according to the data being calculated, side mode is pacified It installs into, forms mold, then steel mesh is placed in mold, carries out the installation of steel mesh;Release agent selects aqueous release agent.
(d) embedded part is installed: embedded part being mounted on to the upper end of steel mesh, completes the installation of embedded part;
(e) it pours: by the concreting after preparation in mold, carrying out vibration compacting;
(f) it post-processes: the concrete after pouring carries out striking off plucking, then manually use trowel by the table of concrete Face smoothes out, and concrete surface is finally carried out press polish, and steam curing repeats step (c), step (d), step after demoulding, overturning Suddenly the technique of (e) and step (f) completes the preparation of another side;Steam-cured temperature is 80 degrees Celsius, and curing time is 16 small When.
(g) quality inspection: the inspection that the product after the completion of two-sided preparation carries out outer surface is cleared up if qualified, into Enter subsequent processing;If unqualified, repairing is returned;
(h) field curing: the product overlay film of quality inspection qualification is subjected to field curing, that is, completes Prefabricated composite thermal insulating board Production technology.
Embodiment 3
A kind of production technology of Prefabricated composite thermal insulating board, by the preparation of concrete, the preparation of steel mesh, molding, embedded part It installs, pour, post-processing, quality inspection and field curing step, completing the production technology of Prefabricated composite thermal insulating board;Specific steps are such as Under:
(A) preparation of concrete: cement, sand, rubble, water, water-reducing agent and composite fine powders are mixed, stirring, complete At the preparation of concrete;
The additive amount of cement is 250 mass parts, and the additive amount of sand is 130 mass parts, and the additive amount of rubble is 600 mass Part, the additive amount of water is 460 mass parts, and the additive amount of water-reducing agent is 3 parts, and the additive amount of composite fine powders is 14 mass parts.
Composite fine powders are made of silicon powder and hearthstone powder, and the mixing ratio of silicon powder and hearthstone powder is 2:1, mixing speed 35r/ Min, mixing time 12min.
(B) preparation of steel mesh: by reinforcing bar through straightening, it is anti-dandruff, break technique, form reinforcing rod, be assembled into steel mesh, will The tie point sealing welding of steel mesh, completes the preparation of steel mesh;
(C) molding: clearing up die station, sprays release agent, is crossed according to the data being calculated, side mode is pacified It installs into, forms mold, then steel mesh is placed in mold, carries out the installation of steel mesh;Release agent selects aqueous release agent.
(D) embedded part is installed: embedded part being mounted on to the upper end of steel mesh, completes the installation of embedded part;
(E) it pours: by the concreting after preparation in mold, carrying out vibration compacting;
(F) it post-processes: the concrete after pouring carries out striking off plucking, then manually use trowel by the table of concrete Face smoothes out, and concrete surface is finally carried out press polish, and steam curing repeats step (C), step (D), step after demoulding, overturning Suddenly the technique of (E) and step (F), completes the preparation of another side;Steam-cured temperature is 70 degrees Celsius, and curing time is 14 small When.
(G) quality inspection: the inspection that the product after the completion of two-sided preparation carries out outer surface is cleared up if qualified, into Enter subsequent processing;If unqualified, repairing is returned;
(H) field curing: the product overlay film of quality inspection qualification is subjected to field curing, that is, completes Prefabricated composite thermal insulating board Production technology.
The above-mentioned Prefabricated composite thermal insulating board being prepared is detected, following experimental data is obtained:
3 days compression strength (%) 7 days compression strength (%) 28 days compression strength (%)
Embodiment 1 48% 78% 100%
Embodiment 2 46% 76% 100%
Embodiment 3 50% 80% 110%
It is by above-mentioned experimental data it is found that much high using the compression strength of the Prefabricated composite thermal insulating board of the invention being prepared In the compression strength for the product that traditional handicraft is prepared, and simple production process, production cost are low.
The present invention uses specific concrete formulation, effectively increases whole compression strength, meanwhile, by installing reinforcing bar Net improves the cohesive force between concrete, further increases whole intensity, and, preparation process of the present invention is simple, and operation is just Jie Dugao.
Meanwhile the present invention is added to water-reducing agent in Concrete, efficiently solve as water concentration it is excessively high caused by The too fast phenomenon of slump-loss, reduces concrete water amount, ensure that the intensity of concrete indirectly;The present invention additionally uses Aqueous release agent, stripping result are good;The addition of hearthstone powder effectively plays the effect of impermeabilisation, makes whole with impermeabilisation Property.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims (5)

1. a kind of production technology of Prefabricated composite thermal insulating board, it is characterised in that: by the preparation of concrete, the preparation of steel mesh, Molding, embedded part install, pour, post-processing, quality inspection and field curing step, completes the production technology of Prefabricated composite thermal insulating board;Tool Steps are as follows for body:
(1) preparation of concrete: cement, sand, rubble, water, water-reducing agent and composite fine powders are mixed, stirring, are completed mixed Coagulate the preparation of soil;
(2) preparation of steel mesh: by reinforcing bar through straightening, it is anti-dandruff, break technique, form reinforcing rod, steel mesh be assembled into, by reinforcing bar The tie point sealing welding of net, completes the preparation of steel mesh;
(3) molding: clearing up die station, sprays release agent, is crossed according to the data being calculated, side mode is installed At then steel mesh is placed in mold, carries out the installation of steel mesh by formation mold;
(4) embedded part is installed: embedded part being mounted on to the upper end of steel mesh, completes the installation of embedded part;
(5) it pours: by the concreting after preparation in mold, carrying out vibration compacting;
(6) it post-processes: the concrete after pouring carries out striking off plucking, then manually smeared the surface of concrete using trowel It is flat, concrete surface is finally subjected to press polish, steam curing repeats step (3), step (4), step (5) after demoulding, overturning With the technique of step (6), the preparation of another side is completed;
(7) quality inspection: the inspection that the product after the completion of two-sided preparation carries out outer surface is cleared up if qualified, under One process;If unqualified, repairing is returned;
(8) field curing: the product overlay film of quality inspection qualification is subjected to field curing, that is, completes the production of Prefabricated composite thermal insulating board Technique.
2. a kind of production technology of Prefabricated composite thermal insulating board according to claim 1, it is characterised in that: the step (1) The additive amount of middle cement is 200-300 mass parts, and the additive amount of sand is 120-150 mass parts, and the additive amount of rubble is 500- 700 mass parts, the additive amount of water are 400-520 mass parts, and the additive amount of water-reducing agent is 1-4 parts, and the additive amount of composite fine powders is 12-16 mass parts.
3. a kind of production technology of Prefabricated composite thermal insulating board according to claim 1, it is characterised in that: the step (1) Middle composite fine powders are made of silicon powder and hearthstone powder, and the mixing ratio of the silicon powder and hearthstone powder is 2:1, and the mixing speed is 30- 40r/min, the mixing time are 10-14min.
4. a kind of production technology of Prefabricated composite thermal insulating board according to claim 1, it is characterised in that: the step (3) In release agent select aqueous release agent.
5. a kind of production technology of Prefabricated composite thermal insulating board according to claim 1, it is characterised in that: the step (6) In steam-cured temperature be 60-80 degrees Celsius, curing time be 12-16 hours.
CN201910590843.4A 2019-07-02 2019-07-02 A kind of production technology of Prefabricated composite thermal insulating board Pending CN110256000A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112192718A (en) * 2020-09-28 2021-01-08 威海玉全新型建筑材料股份有限公司 Forming die for cement prefabricated slab and processing technology of cement prefabricated slab

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555116A (en) * 2009-05-26 2009-10-14 平顶山市天石商品混凝土有限公司 Method for preparing high-strength concrete
CN105948615A (en) * 2016-04-28 2016-09-21 十九冶成都建设有限公司 Impermeable concrete prepared with hearthstone powder
CN107587654A (en) * 2017-09-27 2018-01-16 河北旭灿科技有限公司 A kind of assembled heat insulation wall and preparation method thereof
CN108086582A (en) * 2016-11-21 2018-05-29 济南汇富建筑工业有限公司 A kind of prefabricated assembled concrete wallboard for fabricated construction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555116A (en) * 2009-05-26 2009-10-14 平顶山市天石商品混凝土有限公司 Method for preparing high-strength concrete
CN105948615A (en) * 2016-04-28 2016-09-21 十九冶成都建设有限公司 Impermeable concrete prepared with hearthstone powder
CN108086582A (en) * 2016-11-21 2018-05-29 济南汇富建筑工业有限公司 A kind of prefabricated assembled concrete wallboard for fabricated construction
CN107587654A (en) * 2017-09-27 2018-01-16 河北旭灿科技有限公司 A kind of assembled heat insulation wall and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112192718A (en) * 2020-09-28 2021-01-08 威海玉全新型建筑材料股份有限公司 Forming die for cement prefabricated slab and processing technology of cement prefabricated slab

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