CN216099581U - Curing means who exempts from to steam and raises concrete prefabricated component - Google Patents
Curing means who exempts from to steam and raises concrete prefabricated component Download PDFInfo
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- CN216099581U CN216099581U CN202122278391.1U CN202122278391U CN216099581U CN 216099581 U CN216099581 U CN 216099581U CN 202122278391 U CN202122278391 U CN 202122278391U CN 216099581 U CN216099581 U CN 216099581U
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Abstract
The utility model discloses a curing device for a steam-curing-free concrete prefabricated part, belonging to the technical field of an assembled concrete structure; the maintenance device is a closed structure consisting of composite templates; the composite template comprises a cavity frame consisting of rigid hard templates and a heat reflection and insulation structure filled in the cavity frame, wherein the heat reflection and insulation structure is a waterproof ceramic insulation fiber layer and aluminum foil paper which are tightly attached; the utility model achieves double heat preservation and insulation effects; the heat preservation and insulation effect of the maintenance device is improved; replaces steam maintenance, not only reduces the manufacturing cost, but also reduces the carbon emission, and is green and environment-friendly.
Description
Technical Field
The utility model relates to the technical field of fabricated concrete, in particular to a curing device for a steam-free concrete prefabricated part.
Background
Precast concrete components are increasingly used in various buildings and structures, and the precast components are generally treated by steam curing to improve the early strength of the precast concrete components. Steam curing means that the poured concrete member is firstly pre-cured for about 3 hours, and then is cured in saturated steam with the relative humidity of not less than 90% and the temperature of more than 60 ℃ for about 5-8 hours. Although the early strength of the concrete after steam curing can reach more than 70% of the designed strength, the development of the later strength is often influenced. Moreover, steam curing requires special equipment and a large amount of fuel is combusted, so that the cost is greatly increased; limited by precast concrete preparation technology, the concrete precast member generally has the current situation that the early strength is not enough and the demoulding is difficult to realize as soon as possible, so that the turnover efficiency of the mould is generally low, the production efficiency is greatly reduced, the production cost is increased, and the development and the application of the precast member are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art, provides the curing device of the non-autoclaved concrete prefabricated part, and aims to improve the heat preservation and insulation effect in the curing process and overcome the defects caused by steam curing.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a curing device for a steam-curing-free concrete prefabricated part is a closed structure consisting of composite templates; the composite template comprises a cavity frame consisting of rigid hard templates and a heat reflection and insulation structure filled in the cavity frame, wherein the heat reflection and insulation structure comprises a waterproof ceramic heat insulation fiber layer and aluminum foil paper which are tightly attached.
Furthermore, the aluminum foil paper is tightly attached to the inner layer of the closed structure.
Furthermore, the thickness of the waterproof ceramic heat-insulating fiber layer is more than or equal to 50mm, and the thickness of the aluminum foil paper is 1-2 mm.
Furthermore, the self-heating concrete and the steel mould thereof which are just poured are arranged in the maintenance device.
Compared with the prior art, the utility model has the following beneficial effects:
the curing device adopts the composition of the heat reflecting layer and the heat insulating layer, and achieves the double heat insulating effect of 1+1 > 2; the heat preservation and insulation effects of the maintenance device are improved; and steam curing is not adopted, so that the manufacturing cost is reduced, the carbon emission is reduced, and the environment is protected.
In the maintenance device, the aluminum foil paper has a heat reflection function, and the ceramic fiber heat-insulating cotton with fireproof and waterproof functions is tightly adhered to the aluminum foil paper to form a fully-closed hexahedral heat-insulating and moisture-preserving maintenance device; the self-heating concrete curing device is suitable for curing concrete with a self-heating formula, and meanwhile, the size and the appearance of the curing device can be adjusted according to needs, so that the self-heating concrete curing device is high in adaptability.
Drawings
FIG. 1 is a cross-sectional view of a curing device according to the present invention.
FIG. 2 is a partial cross-sectional view of the curing device according to the embodiment with a prefabricated part placed inside.
Fig. 3 is a partial structural view of the composite template.
In the figure, 1 is a composite template, 2 is a prefabricated bottom plate steel bar, 3 is a prefabricated bottom plate truss rib, 4 is a steel template, 5 is self-heating concrete, 1a is a rigid hard template, 1b is a waterproof ceramic heat-insulating fiber layer, and 1c is aluminum foil paper.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The technical solution of the present invention is described in detail below with reference to the examples and the accompanying drawings, but the scope of protection is not limited thereto.
As shown in fig. 1 and 2, the curing device for the non-autoclaved concrete prefabricated part is a closed structure consisting of composite formworks 1; the composite template 1 comprises a cavity frame formed by rigid hard templates 1a and a heat reflection and insulation structure filled in the cavity frame, wherein the heat reflection and insulation structure comprises a waterproof ceramic heat insulation fiber layer 1b and aluminum foil paper 1c which are tightly attached, and is shown in figure 3. The aluminum foil paper 1c is closely attached to the inner layer of the closed structure. The thickness of the waterproof ceramic heat-insulating fiber layer 1b is more than or equal to 50mm, and the thickness of the aluminum foil paper 1c is 1-2 mm. The maintenance device is self-heating concrete which is just poured and a steel template thereof.
The distance between the concrete prefabricated member with the steel template 4 and each surface in the curing device is about 50mm, and the distance between every two layers of prefabricated members with the templates is about 50 mm.
The curing device is manufactured in a factory, the concrete pouring prefabricated part is firstly completed, and then the prefabricated part which is just poured is quickly conveyed to the curing device to be sealed for curing.
The waterproof ceramic heat-insulating fiber layer 1b is made of ceramic fibers, the raw material of the ceramic fibers is mainly coal gangue, waste is utilized, environment is protected, and the inorganic material has the functions of water resistance and fire resistance.
A certain amount of ground quicklime powder is required to be added into the concrete component to be cured, and the hydration heat release is large, so that the self-heating effect is achieved; the structure of the utility model can ensure that the concrete can reach the form removal strength (determined according to the relevant specifications and technical regulations of the strength required by early form removal of the concrete prefabricated part) within 10-16 hours of curing in the concrete without adopting steam curing, simultaneously, the later strength and the long-term strength of the concrete prefabricated part are improved, and the turnover rate of the template is also improved.
While the utility model has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (4)
1. A curing device for a steam-curing-free concrete prefabricated part is a closed structure consisting of composite templates (1); the composite template (1) is characterized by comprising a cavity frame consisting of rigid hard templates (1 a) and a heat reflection and insulation structure filled in the cavity frame, wherein the heat reflection and insulation structure is a waterproof ceramic insulation fiber layer (1 b) and aluminum foil paper (1 c) which are tightly attached.
2. A curing apparatus for non-autoclaved concrete prefabricated parts according to claim 1, wherein said aluminum foil (1 c) is closely attached to the inner layer of the closed structure.
3. The curing device of the non-autoclaved concrete prefabricated part according to claim 1 or 2, wherein the thickness of the waterproof ceramic heat-insulating fiber layer (1 b) is more than or equal to 50mm, and the thickness of the aluminum foil paper (1 c) is 1-2 mm.
4. The curing device for the non-autoclaved concrete prefabricated part according to claim 1, characterized in that the self-heating type concrete and the steel mold thereof which are just poured are arranged in the curing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122278391.1U CN216099581U (en) | 2021-09-18 | 2021-09-18 | Curing means who exempts from to steam and raises concrete prefabricated component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122278391.1U CN216099581U (en) | 2021-09-18 | 2021-09-18 | Curing means who exempts from to steam and raises concrete prefabricated component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216099581U true CN216099581U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122278391.1U Active CN216099581U (en) | 2021-09-18 | 2021-09-18 | Curing means who exempts from to steam and raises concrete prefabricated component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216099581U (en) |
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2021
- 2021-09-18 CN CN202122278391.1U patent/CN216099581U/en active Active
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