CN113202316A - Three-dimensional temperature control system for bulk concrete in subtropical climate - Google Patents
Three-dimensional temperature control system for bulk concrete in subtropical climate Download PDFInfo
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- CN113202316A CN113202316A CN202110471090.2A CN202110471090A CN113202316A CN 113202316 A CN113202316 A CN 113202316A CN 202110471090 A CN202110471090 A CN 202110471090A CN 113202316 A CN113202316 A CN 113202316A
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- water
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- bubble film
- truss structure
- pipe
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0075—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability making use of a decrease in temperature
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0263—Hardening promoted by a rise in temperature
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
Abstract
The embodiment of the invention provides a subtropical climate large-volume concrete three-dimensional temperature control system, which comprises: the two sides of the truss structure are respectively provided with a water return container, and a water distribution pipe is arranged along the lower part of the vault; the surfaces of the two sides of the double-layer heat-insulation bubble film are canvas waterproof layers, the bubble film is arranged in the middle of the double-layer heat-insulation bubble film, a plurality of water guide pipes are uniformly arranged along the water distribution pipe and communicated with the gap of the double-layer heat-insulation bubble film, and water pipes communicated with a water return container are arranged at the bottoms of the double-layer heat-insulation bubble film on the two sides of the truss structure; the cooling water pipe is laid in an S shape; the return water container is internally provided with a refrigeration device and a water pump. According to the invention, the double-layer heat-insulation bubble film is adopted, cooling circulating water flows between bubbles, so that the water flow on the bubble film is reduced, heat in the bubbles is taken away in the flowing process, and meanwhile, a heat-insulation layer can be formed by virtue of the heat insulation effect of the canvas waterproof layers on the two sides, so that external heat is prevented from entering the inner space through the double-layer heat-insulation bubble film.
Description
Technical Field
The invention relates to the technical field of concrete construction, in particular to a subtropical climate large-volume concrete three-dimensional temperature control system.
Background
At present, the concrete heat preservation and maintenance schemes include canvas covering, humidifying spraying, cooling water pipes and the like, and the three schemes are usually combined and used under tropical and subtropical climatic conditions. However, even if the design requirement is difficult to achieve, the canvas cover has poor heat insulation performance, and the heat of the environment can still rapidly permeate to the concrete surface through the canvas, so the cooling effect of the cooling water pipe is greatly reduced, and the effect of humidifying the spray is very limited.
Therefore, during construction, high-temperature time intervals usually have to be avoided, so that the construction progress is slow, and the whole construction progress can hardly meet the design requirements in continuous high-temperature weather; while the concrete curing usually takes 15 days to fully develop hydration, it is obviously impossible to stagger the hot weather for 15 consecutive days in tropical and subtropical climates, which presents higher requirements and challenges for curing concrete from the other side.
Disclosure of Invention
In view of the above technical problems, embodiments of the present invention provide a stereoscopic temperature control system for bulk concrete in subtropical climate, which solves the temperature control problem during concrete construction and maintenance under hot climate conditions.
A three-dimensional temperature control system for bulk concrete in subtropical climates comprises:
the water-returning device comprises a vault-shaped truss structure, a water-returning device and a water distribution pipe, wherein the middle of the truss structure is high, the two sides of the truss structure are low, the vault in the middle is horizontally arranged, the two sides of the truss structure are respectively provided with a water-returning container, and the water distribution pipe is horizontally arranged along the lower part of the vault;
the double-layer heat-insulation bubble film is laid on the upper part of the truss structure, and the periphery of the double-layer heat-insulation bubble film droops to the ground, wherein a plurality of water guide pipes are uniformly arranged along the water distribution pipe and communicated with the gap of the double-layer heat-insulation bubble film, and water pipes communicated with a water return container are arranged at the bottoms of the double-layer heat-insulation bubble films on the two sides of the truss structure;
the cooling water pipe is laid on the ground in the truss structure in an S shape, one end of the cooling water pipe is communicated with the water return container, and the other end of the cooling water pipe is communicated with the water distribution pipe;
and a water pump is arranged in the water return container, a water outlet of the water pump is communicated with the cooling water pipe, and the water return container is simultaneously connected with a refrigerating device, so that the water in the water return container is refrigerated.
The water return container is arranged inside the truss structure.
The water return container is arranged outside the truss structure, and a heat insulation layer is arranged outside the water return container.
The bottom of the truss structure is provided with a rubber pad which is supported on the ground.
And the pressure valve is arranged on the water guide pipe and is opened when the pressure value in the pipe reaches a set value.
The top of the double-layer heat insulation bubble film is also provided with an exhaust port capable of being opened and closed, when the inside of the double-layer heat insulation bubble film is filled with water for the first time, the exhaust port is opened at first, and the water outlet pipe is closed, so that the water can be fully filled into the gap of the double-layer heat insulation bubble film.
And a flow control valve is arranged on the water outlet pipe to control the flow rate of the discharged water, so that the phenomenon that negative pressure is formed in the gap of the double-layer heat-insulating bubble film due to the fact that water flows too fast is avoided.
The cooling water pipe is a flexible thin-wall rubber pipe so as to exchange heat with air and concrete more quickly.
The invention constructs a three-dimensional heat preservation and cooling system, utilizes a double-layer bubble film to preserve heat and protect the concrete inside, simultaneously utilizes a cooling water pipe to cool the concrete, the temperature of the cooled cooling water rises to a certain extent but is still much lower than the ambient temperature, so that the cooling water is guided into a water distribution pipe with a heat preservation layer at the top of a support frame, the cooling water is conveyed into bubble gaps of the double-layer bubble film through the water distribution pipe, the cooling water can flow downwards along the top of the support frame under the action of gravity, and the backflow speed is controlled by arranging a valve on a water return pipe, so that the traveling time of the cooling water in the bubble film can be controlled; the recovered cooling water is cooled again by the refrigerating mechanism in the recovery pool and then is conveyed to the inside of the cooling water pipe through the water pump for next circulation.
According to the invention, the double-layer heat-insulation bubble film is adopted, cooling circulating water flows between bubbles, so that the water flow on the bubble film is reduced, heat in the bubbles is taken away in the flowing process, and meanwhile, a heat-insulation layer can be formed by virtue of the heat-insulation effect of the canvas waterproof layers on the two sides, so that external heat is prevented from entering an internal space through the double-layer heat-insulation bubble film;
the three-dimensional temperature control system for the large-volume concrete in the subtropical climate, provided by the invention, provides an energy-saving and efficient solution for the concrete construction of the tropical zone and the subtropical zone, improves the concrete curing effect, promotes the concrete hydration action, and improves the strength of the concrete;
the construction quality of the concrete dam can be ensured, the fund is saved, the safety of the concrete dam is ensured, and the service life of the concrete dam is prolonged;
the invention provides a feasible scheme for the heat preservation and maintenance of concrete, and hot water is introduced into the cooling water pipe in cold seasons or cold regions, so that the heat preservation effect can be achieved, the hydration effect of the concrete can be promoted, and the strength of the concrete can be improved;
the invention is environment-friendly and energy-saving, reduces energy consumption and has no pollution; the environmental heat is reduced to permeate into the system, and water and electricity are saved.
Drawings
The invention may be better understood from the following description of specific embodiments thereof taken in conjunction with the accompanying drawings, in which:
other features, objects and advantages of the invention will become apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings in which like or similar reference characters refer to the same or similar parts.
Fig. 1 is a schematic structural diagram of a bulk concrete three-dimensional temperature control system for subtropical climate provided by an embodiment of the invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. The present invention is in no way limited to any specific configuration and algorithm set forth below, but rather covers any modification, replacement or improvement of elements, components or algorithms without departing from the spirit of the invention. In the following description, well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present invention.
Example embodiments will now be described with reference to the accompanying drawings, which may be embodied in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
As shown in fig. 1, the present invention provides a solid temperature control system for bulk concrete in subtropical climate, comprising:
the device comprises a vault-shaped truss structure 1, wherein the truss structure 1 is high in the middle and low in two sides, the vault in the middle is horizontally arranged, water return containers 2 are respectively arranged on two sides of the truss structure 1, and water distribution pipes 3 which are horizontally arranged are arranged along the lower part of the vault; the water distribution pipe 3 is used for collecting cooling water conveyed from the cooling water pipe and uniformly supplying the cooling water to the highest position (the position of an arch top) of the double-layer heat-insulation bubble film at the upper part of the truss structure 1; by means of the self gradient of the truss structure 1 and the self gravity action of water, cooling water in the double-layer heat-insulation bubble film can flow down slowly along the gap of the bubble film, the heat of the bubble film is taken away in the flow-down process, and the cooling water forms a water network structure which flows continuously and slowly in the bubble film, so that the heat preservation and heat insulation effects of the double-layer heat-insulation bubble film are ensured;
the double-layer heat-insulation bubble film 4 is characterized in that the surfaces of two sides of the double-layer heat-insulation bubble film 4 are canvas waterproof layers which are used as heat insulation layers, the canvas waterproof layers have good structural strength and have the effects of stretch resistance, friction resistance, heat preservation, water prevention and the like, the bubble film is arranged between the two canvas waterproof layers, the double-layer heat-insulation bubble film 4 is laid on the upper part of the truss structure 1, the periphery of the double-layer heat-insulation bubble film is hung to the ground, a plurality of water guide pipes 6 are uniformly arranged along a water distribution pipe and communicated with gaps of the double-layer heat-insulation bubble film 4, and water pipes communicated with the; in the using process, the edge of the double-layer heat-insulation bubble film needs to be sealed firstly to avoid water leakage, and then the corresponding pipeline is connected to the air of the bubble film;
the cooling water pipe 5 is laid on the ground in the truss structure 1 in an S shape, one end of the cooling water pipe 5 is communicated with the water return container 2, and the other end of the cooling water pipe is communicated with the water distribution pipe 3; the cooling water pipes 5 are uniformly laid in the truss structure 1, so that water flow in the water pipes achieves the effects of temperature control and temperature reduction in the flowing process, and the temperature in the truss structure is ensured to be in a low-temperature constant state;
the water return container 2 is internally provided with a water pump, a water outlet of the water pump is communicated with the cooling water pipe, the water return container 2 is simultaneously connected with a refrigerating device, so that the water in the water return container is refrigerated, and the refrigerating device adopts a refrigerating unit, a water chilling unit or a box type refrigerating unit.
The water return container 2 is arranged inside the truss structure, and at the moment, a heat preservation and insulation measure does not need to be designed for the water return container, but the internal space of the truss structure 1 can be occupied.
The water return container 2 is arranged outside the truss structure, and a heat insulation layer is arranged outside the water return container.
The bottom of truss structure 1 is equipped with the rubber pad and supports subaerial, can prevent effectively through the rubber pad that truss structure 1 from bringing destruction to ground, can realize simultaneously that sealed between truss structure and the ground to prevent effectively that the water on ground from being stained with truss structure, reduce truss structure's corrosion risk.
The pressure valve is arranged on the water guide pipe 6, and when the pressure value in the pipe reaches a set value, the pressure valve is opened, and the flow in different water guide pipes can be more uniform by controlling the water flow through the pressure valve.
The top of the double-layer heat insulation bubble film 4 is also provided with an exhaust port capable of being opened and closed, when the inside of the double-layer heat insulation bubble film 4 is filled with water for the first time, the exhaust port is opened at first, and the water outlet pipe is closed, so that the water can be fully filled into the gap of the double-layer heat insulation bubble film 4.
And a flow control valve is arranged on the water outlet pipe to control the flow rate of the discharged water, so that the phenomenon that negative pressure is formed in the gap of the double-layer heat-insulating bubble film due to the fact that water flows too fast is avoided.
The cooling water pipe is a flexible thin-wall rubber pipe so as to exchange heat with air and concrete more quickly.
The invention constructs a three-dimensional heat preservation and cooling system, utilizes a double-layer bubble film to preserve heat and protect the concrete inside, simultaneously utilizes a cooling water pipe to cool the concrete, the temperature of the cooled cooling water rises to a certain extent but is still much lower than the ambient temperature, so that the cooling water is guided into a water distribution pipe with a heat preservation layer at the top of a support frame, the cooling water is conveyed into bubble gaps of the double-layer bubble film through the water distribution pipe, the cooling water can flow downwards along the top of the support frame under the action of gravity, and the backflow speed is controlled by arranging a valve on a water return pipe, so that the traveling time of the cooling water in the bubble film can be controlled; the recovered cooling water is cooled again by the refrigerating mechanism in the recovery pool and then is conveyed to the inside of the cooling water pipe through the water pump for next circulation.
According to the invention, the double-layer heat-insulation bubble film is adopted, cooling circulating water flows between bubbles, so that the water flow on the bubble film is reduced, heat in the bubbles is taken away in the flowing process, and meanwhile, a heat-insulation layer can be formed by virtue of the heat-insulation effect of the canvas waterproof layers on the two sides, so that external heat is prevented from entering an internal space through the double-layer heat-insulation bubble film;
the three-dimensional temperature control system for the large-volume concrete in the subtropical climate provides an energy-saving and efficient solution for the concrete construction of the tropical zone and the subtropical zone, improves the concrete curing effect, promotes the concrete hydration and improves the concrete strength;
the construction quality of the concrete dam can be ensured, the fund is saved, the safety of the concrete dam is ensured, and the service life of the concrete dam is prolonged;
the invention provides a feasible scheme for the heat preservation and maintenance of concrete, and hot water is introduced into the cooling water pipe in cold seasons or cold regions, so that the heat preservation effect can be achieved, the hydration effect of the concrete can be promoted, and the strength of the concrete can be improved;
the invention is environment-friendly and energy-saving, reduces energy consumption and has no pollution; the environmental heat is reduced to permeate into the system, and water and electricity are saved.
It will be appreciated by persons skilled in the art that the above embodiments are illustrative and not restrictive. Different features which are present in different embodiments may be combined to advantage. Other variations to the disclosed embodiments can be understood and effected by those skilled in the art upon studying the specification and the claims. In the claims, the term "comprising" does not exclude other means or steps; the indefinite article "a" does not exclude a plurality; the terms "first" and "second" are used to denote a name and not to denote any particular order.
Claims (8)
1. The utility model provides a three-dimensional temperature control system of bulky concrete of subtropical climate which characterized in that includes:
the water-returning device comprises a vault-shaped truss structure, a water-returning device and a water distribution pipe, wherein the middle of the truss structure is high, the two sides of the truss structure are low, the vault in the middle is horizontally arranged, the two sides of the truss structure are respectively provided with a water-returning container, and the water distribution pipe is horizontally arranged along the lower part of the vault;
the double-layer heat-insulation bubble film is laid on the upper part of the truss structure, and the periphery of the double-layer heat-insulation bubble film droops to the ground, wherein a plurality of water guide pipes are uniformly arranged along the water distribution pipe and communicated with the gap of the double-layer heat-insulation bubble film, and water pipes communicated with a water return container are arranged at the bottoms of the double-layer heat-insulation bubble films on the two sides of the truss structure;
the cooling water pipe is laid on the ground in the truss structure in an S shape, one end of the cooling water pipe is communicated with the water return container, and the other end of the cooling water pipe is communicated with the water distribution pipe;
and a water pump is arranged in the water return container, a water outlet of the water pump is communicated with the cooling water pipe, and the water return container is simultaneously connected with a refrigerating device, so that the water in the water return container is refrigerated.
2. The subtropical climate volumetric concrete solid temperature control system of claim 1,
the water return container is arranged inside the truss structure.
3. The subtropical climate volumetric concrete solid temperature control system of claim 1,
the water return container is arranged outside the truss structure, and a heat insulation layer is arranged outside the water return container.
4. The subtropical climate volumetric concrete solid temperature control system of claim 1,
the bottom of the truss structure is provided with a rubber pad which is supported on the ground.
5. The refrigeration appliance according to claim 1,
and the pressure valve is arranged on the water guide pipe and is opened when the pressure value in the pipe reaches a set value.
6. The refrigeration appliance according to claim 1,
an exhaust port which can be opened and closed is also arranged at the top of the double-layer heat-insulation bubble film 4.
7. The refrigeration appliance according to claim 1,
the water outlet pipe is provided with a flow control valve.
8. The refrigeration appliance according to claim 1,
the cooling water pipe is a flexible thin-wall rubber pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110471090.2A CN113202316B (en) | 2021-04-29 | 2021-04-29 | Three-dimensional temperature control system for bulk concrete in subtropical climate |
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| CN202110471090.2A CN113202316B (en) | 2021-04-29 | 2021-04-29 | Three-dimensional temperature control system for bulk concrete in subtropical climate |
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| CN113202316A true CN113202316A (en) | 2021-08-03 |
| CN113202316B CN113202316B (en) | 2021-10-15 |
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| CN113202316B (en) | 2021-10-15 |
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