CN108425504A - A kind of temperature control equipment in Mass Concrete and method - Google Patents
A kind of temperature control equipment in Mass Concrete and method Download PDFInfo
- Publication number
- CN108425504A CN108425504A CN201810474836.3A CN201810474836A CN108425504A CN 108425504 A CN108425504 A CN 108425504A CN 201810474836 A CN201810474836 A CN 201810474836A CN 108425504 A CN108425504 A CN 108425504A
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- Prior art keywords
- conducting pipe
- heat
- heat conducting
- temperature control
- concrete
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- 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.)
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Classifications
-
- 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
-
- 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
-
- 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
- C04B40/0082—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 rise in temperature, e.g. caused by an exothermic reaction
Abstract
The invention discloses the temperature control equipments and method in a kind of Mass Concrete, it solves the problems, such as that internal-external temperature difference is big and leads to concrete cracking when winter mass concrete construction, it is by heat-transfer device by inner concrete heat transfer to outer concrete, while ensureing that concrete structure is stablized, mass concrete internal-external temperature difference can effectively be reduced, the thermogenetic heat of aquation is reasonably utilized, avoids causing the heat waste, technical solution from being：Including heat conducting pipe, the heat conducting pipe bottom seal, heat conducting pipe open top, and connect heat conduction duct occlusion with sealing cover by sealing cover at the top of heat conducting pipe；The sealing cover is arranged the through-hole being connected to heat conducting pipe, and in through hole setting connector, by being passed through in connector heat conductive pipes or recovering liquid working medium.
Description
Technical field
The present invention relates to winter construction technology of mass concrete work fields, more particularly to a kind of mass concrete construction
Temperature control equipment in the process and method.
Background technology
In recent years, with the continuous development of China's building construction technology, the use of mass concrete is more and more common.But
Be due to the mass concrete heat of hydration and internal heat dissipating it is excessively slow caused by inside concrete and the external temperature difference, make concrete table
Face generates larger tensile stress, when the tensile stress of generation is more than concrete tensile strength, mass concrete can be caused in morning
Phase cracks during conserving.Since the winter temperature of northern China is relatively low, this problem is in northern China winter coagulation
It is become apparent in soil construction.
Currently, in northern winter construction of mass concrete in addition to step-by-step construction, the major measure taken is, by cold
But the internal water circulation of water pipe absorbs the thermogenetic heat of inside concrete aquation, and using overlay film or heat insulation formwork etc. to coagulation
Native outside is kept the temperature.But to ensure that concrete structure is stablized, the laying of cooling water pipe can not be excessively intensive；Due to water
Heat transfer property is relatively low, cannot reach target well and cause the waste of water resource；The heat that cooling water pipe absorbs
It has been discharged to the external world, and the outer concrete of winter construction needs to keep the temperature, this makes original utilizable heat be wasted.
In conclusion in the prior art for winter mass concrete construction when internal-external temperature difference it is big and concrete is caused to be opened
The problem of splitting still lacks effective solution scheme.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides the temperature in a kind of Mass Concrete
Control device is spent, inner concrete heat transfer is being ensured that concrete structure is steady to outer concrete by heat-transfer device
While determining, mass concrete internal-external temperature difference can be effectively reduced, the thermogenetic heat of aquation is reasonably utilized, avoids causing
Heat waste.
The present invention uses following technical proposals：
A kind of temperature control equipment in Mass Concrete, including heat conducting pipe, the heat conduction bottom of the tube envelope
Mouthful, heat conducting pipe open top, and connect heat conduction duct occlusion with sealing cover by sealing cover at the top of heat conducting pipe；The sealing cover setting
The through-hole being connected to heat conducting pipe, and connector is set in through hole, by being passed through in connector heat conductive pipes or recovering liquid working medium.
Further, the heat conducting pipe is formed by connecting by top radiating segment and lower part endotherm section, the section of top radiating segment
Sectional area of the product more than lower part endotherm section.
Further, the top radiating segment and lower part endotherm section are an integral structure.
Further, the sealing cover is detachably connected with heat conducting pipe.
Further, the heat conducting pipe top radiating segment madial wall is threaded, and the sealing cover bottom carries external screw thread
Connector, top radiating segment are connect with external thread connector.
Further, sealing element is set between the sealing cover and heat conducting pipe.
Further, the sealing cover bottom is connected with conduit, corresponds to sealing cover through hole, conduit bottom at the top of conduit
Extend to heat conduction bottom of the tube.
Further, setting automatic pressure relief valve carries out pressure release to heat conducting pipe at the top of the sealing cover.
Further, the connector is connect with aspiration pump or fluid reservoir or collection liquid pump.
For overcome the deficiencies in the prior art, the present invention provides the temperature controls in a kind of Mass Concrete
The temprature control method of device processed, includes the following steps：
Step 1：The mass concrete size that progress temperature control is needed by scene determines heat conducting pipe top radiating segment under
The size of portion's endotherm section, the arrangement quantity and spacing of working fluid fill, temperature control equipment；
Step 2：Temperature control equipment is assembled, aspiration pump is connect with connector, heat conduction inner air tube is extracted out, and checks have
Without gas leakage；
Step 3：In heat conducting pipe surface smear heat-conducting silicone grease, temperature control equipment is bound in the reinforcing bar for waiting for pouring concrete
On, and sealing cover is made to be higher than concreting designed elevation；
Step 4：The fluid reservoir for having working medium is connect by casting concrete with connector, and the working medium of set amount is poured into heat conduction
In pipe, the heat transfer of inner concrete and outer concrete is realized；
Step 5：After the completion of heat transfer, collection liquid pump is connect with connector, extracts liquid refrigerant in heat conducting pipe out；
Step 6：The connection between sealing cover and heat conducting pipe is disconnected, sealing cover is taken out and preserves；Concrete is poured into heat conducting pipe, and
It is conserved.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the present invention by using mass concrete itself internal-external temperature difference, make heat conduction intraductal working medium generate from liquid to
Gas arrives the phase transformation cycle of liquid again, and the heat inside mass concrete is constantly passed to heat conducting pipe by lower part endotherm section
Interior working medium quickly passes after heat is evaporated to heat conducting pipe upper end with working medium, then by larger heat dissipation area possessed by radiating segment
It is delivered to outer concrete, is realized to cooling down inside winter mass concrete, external heat preservation.
2. the heat of hydration heat of concrete generation is rationally utilized while reducing internal-external temperature difference, the energy is not caused
Waste, the especially saving of electric power and water resource, and need not also generate noise by any starting device.
3. since heat conducting pipe has higher heat conductivility, the inside and outside temperature of mass concrete in time that can be shorter
Difference control is wanted in permissible range so as to make limit maximum temperature and limit maximum temperature difference meet specification in a relatively short period of time
It asks, shortens the concrete curing time.
4. working medium, sealing cover can recycle, the wasting of resources is avoided；The heat conducting pipe stayed in concrete is poured with the later stage
Influence of the heat dissipation channel to concrete structure can be reduced by building the concrete inside heat conducting pipe not only, or even be risen to stable structure
To certain booster action.
5. design an automatic pressure relief valve for sealing cover, when occurring excess pressure inside heat conducting pipe can releasing pressure automatically to protect
Demonstrate,prove the safety during whole device use.
6. position, mode are flexible, plant bulk can be designed as needed, placed at the desired position, either
Top surface or side.
7. the global shape design of the present invention will not cause vibrating for concrete unreal；Top radiating segment is thicker, Neng Goufang
Phase concrete perfusion in heat conducting pipe after an action of the bowels, while increasing heat dissipation area.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the schematic diagram of temperature control equipment of the present invention；
Fig. 2 is that schematic diagram is arranged in sealing cover and corresponding component；
Fig. 3 is heat conducting pipe schematic diagram；
Fig. 4 is temperature control equipment use state diagram of the present invention；
In figure, 1. automatic pressure relief valves, 2. connectors, 3. sealing covers, 4. top radiating segments, 5. lower part endotherm sections, 6. conduits, 7.
Mass concrete, 8. heat conducting pipes.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, when winter mass concrete construction exists in the prior art internal-external temperature difference it is big and
The problem of leading to concrete cracking, in order to solve technical problem as above, present applicant proposes a kind of mass concrete construction
Temperature control equipment in the process and method.
In a kind of typical embodiment of the application, as shown in Figure 1-Figure 3, a kind of mass concrete construction is provided
Temperature control equipment in the process, including heat conducting pipe 8,8 bottom seal of heat conducting pipe, 8 open top of heat conducting pipe, and heat conducting pipe 8 push up
Portion is connect with sealing cover 3 is closed heat conducting pipe 8 by sealing cover 3；The through-hole being connected to heat conducting pipe 8 is arranged in sealing cover 3, and in through-hole
Place's setting connector 2, by being passed through in 2 heat conductive pipes 8 of connector or recovering liquid working medium.
Heat conducting pipe 8 is formed by connecting by top radiating segment 4 and lower part endotherm section 5, and the sectional area of top radiating segment 4 is more than lower part
The sectional area of endotherm section 5, in this way setting can increase the heat dissipation area of top radiating segment.
Top radiating segment 4 and lower part endotherm section 5 are an integral structure.
Heat conducting pipe 8 is mainly used as the work of heat transmission medium and working medium between liquid refrigerant and mass concrete
Container.Liquid refrigerant pours into heat conducting pipe, and hot transmission, lower part are carried out by heat conducting pipe between liquid refrigerant and mass concrete
The liquid refrigerant of endotherm section absorbs the heat inside mass concrete, is then transferred to the liquid refrigerant of top radiating segment,
Top radiating segment distributes heat to outside mass concrete, reduces temperature difference between inside and outside concrete.In addition, in the heat conducting pipe later stage
Become a part for large volume concrete structural after portion's grouting.The design of its shape is conducive to later stage grouting, and can increase top
Heat dissipation area.
Sealing cover 3 is detachably connected with heat conducting pipe 8.Sealing cover is for sealing heat conducting pipe, and the later stage can disengage with heat conducting pipe
Connection is taken out from heat conducting pipe in case recycling.
8 top radiating segment of heat conducting pipe, 4 madial wall is threaded, and 3 bottom of sealing cover carries external thread connector, top heat dissipation
Section 4 is connect with external thread connector.
Sealing element is set between sealing cover 3 and heat conducting pipe 8, and sealing rubber ring may be used in sealing element.
3 bottom of sealing cover is connected with conduit 6, and 6 top of conduit corresponds to 3 through hole of sealing cover, and 6 bottom of conduit, which extends to, leads
8 bottom of heat pipe, conduit are mainly used for the later stage and fully extract heat conduction bottom of the tube working medium out.
3 top setting automatic pressure relief valve 1 of sealing cover carries out pressure release to air pressure in heat conducting pipe 8.When heat conducting pipe air pressure inside mistake
Pressure release is carried out by automatic pressure relief valve when high, to ensure safety.
Sealing cover, connector, automatic pressure relief valve, conduit are welded to connect, and are coordinated with heat conducting pipe, are kept whole device closed and can
As required to pouring into inside device, recycle working medium, and ensure safety.
Connector 2 is connect with aspiration pump or fluid reservoir or collection liquid pump.Connector 2 is used to be evacuated, liquid refrigerant pours into, liquid refrigerant
Recycling.Liquid refrigerant uses low boiling point liquid refrigerant in the application, such as：Liquefied ammonia.Connector 2 is connect with aspiration pump, extracts heat conduction out
Inner air tube；Connector 2 is connect with fluid reservoir, and working medium is poured into heat conductive pipes；Connector 2 is connect with collection liquid pump, after temperature control,
Working medium is extracted out and is stored.
The device of the application, in addition to heat conducting pipe, other component is all repeatable to be utilized, and liquid refrigerant can also recycle progress again
Recycling.
In the typical embodiment of another kind of the application, the temperature in a kind of Mass Concrete is provided
The temprature control method of control device, includes the following steps：
Step 1：The mass concrete size that progress temperature control is needed by scene determines heat conducting pipe top radiating segment under
The size of portion's endotherm section, the arrangement quantity and spacing of working fluid fill, temperature control equipment；
Step 2：Temperature control equipment is assembled, aspiration pump is connect with connector, heat conduction inner air tube is extracted out, and checks have
Without gas leakage；
Step 3：In heat conducting pipe surface smear heat-conducting silicone grease, temperature control equipment is bound in the reinforcing bar for waiting for pouring concrete
On, and sealing cover is made to be higher than concreting designed elevation, ensure that sealing cover upper end is slightly above the concrete cover in future, and
Sealing cover is embedded in concrete when certain measure being taken to prevent from pouring；
Step 4：Casting concrete after pouring, the fluid reservoir for having liquid refrigerant is connect with connector, by set amount
Liquid refrigerant pour into heat conducting pipe, realize inner concrete and outer concrete heat transfer；
Step 5：After the completion of heat transfer, when concrete no longer needs to control into trip temperature, collection liquid pump is connect with connector,
Liquid refrigerant in heat conducting pipe is extracted out, in case next time recycles；
Step 6：The connection between sealing cover and heat conducting pipe is disconnected, sealing cover is back-outed into preservation using spanner, in case next time is followed
Ring utilizes；Concrete is poured into heat conducting pipe, and certain maintenance process is taken suitably to be conserved.
By above step, mass concrete internal temperature is reduced, outer concrete temperature is improved, reaches winter
The effect for reducing the inside and outside temperature difference of mass concrete is realized the recycling of heat conductive rod, and is reduced to concrete structure
Influence.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.For operation instruction disclosed above, make the professional skill of this field
Art personnel can realize or use the present invention.For those skilled in the art to a variety of modifications of these application methods
Will be apparent, the general principles defined herein can without departing from the spirit or scope of the present invention,
It is realized in other embodiments.Within the spirit and principles of this application, any modification, equivalent replacement, improvement
Deng should be included within the protection domain of the application.
Claims (10)
1. the temperature control equipment in a kind of Mass Concrete, characterized in that including heat conducting pipe, the heat conducting pipe
It is connect heat conduction duct occlusion with sealing cover at the top of bottom seal, heat conducting pipe open top, and heat conducting pipe by sealing cover；The sealing
The through-hole that is connected to heat conducting pipe of lid setting, and in through hole setting connector, by being passed through in connector heat conductive pipes or recovering liquid work
Matter.
2. temperature control equipment as described in claim 1, characterized in that the heat conducting pipe is absorbed heat by top radiating segment and lower part
Section is formed by connecting, and the sectional area of top radiating segment is more than the sectional area of lower part endotherm section.
3. temperature control equipment as claimed in claim 2, characterized in that the top radiating segment and lower part endotherm section are integrated
Formula structure.
4. temperature control equipment as described in claim 1, characterized in that the sealing cover is detachably connected with heat conducting pipe.
5. temperature control equipment as claimed in claim 4, characterized in that spiral shell is arranged in the heat conducting pipe top radiating segment madial wall
Line, the sealing cover bottom carry external thread connector, and top radiating segment is connect with external thread connector.
6. temperature control equipment as described in claim 1, characterized in that setting sealing member between the sealing cover and heat conducting pipe
Part.
7. temperature control equipment as described in claim 1, characterized in that the sealing cover bottom is connected with conduit, conduit top
Portion corresponds to sealing cover through hole, and conduit bottom extends to heat conduction bottom of the tube.
8. temperature control equipment as described in claim 1, characterized in that setting automatic pressure relief valve is to leading at the top of the sealing cover
Heat pipe carries out pressure release.
9. temperature control equipment as described in claim 1, characterized in that the connector and aspiration pump or fluid reservoir or collection liquid pump
Connection.
10. such as the temprature control method of claim 1-9 any one of them temperature control equipments, characterized in that including following
Step：
Step 1：The mass concrete size that progress temperature control is needed by scene determines that heat conducting pipe top radiating segment and lower part are inhaled
The size of hot arc, the arrangement quantity and spacing of working fluid fill, temperature control equipment；
Step 2：Temperature control equipment is assembled, aspiration pump is connect with connector, heat conduction inner air tube is extracted out, and checks for leaking
Gas；
Step 3：In heat conducting pipe surface smear heat-conducting silicone grease, by temperature control equipment binding on the reinforcing bar for waiting for pouring concrete, and
Sealing cover is set to be higher than concreting designed elevation；
Step 4：The fluid reservoir for having liquid refrigerant is connect by casting concrete with connector, and the liquid refrigerant of set amount is poured into
In heat conducting pipe, the heat transfer of inner concrete and outer concrete is realized；
Step 5：After the completion of heat transfer, collection liquid pump is connect with connector, extracts liquid refrigerant in heat conducting pipe out；
Step 6：The connection between sealing cover and heat conducting pipe is disconnected, sealing cover is taken out and preserves；Concrete is poured into heat conducting pipe, and is carried out
Maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474836.3A CN108425504B (en) | 2018-05-17 | 2018-05-17 | Temperature control device and method in large-volume concrete construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474836.3A CN108425504B (en) | 2018-05-17 | 2018-05-17 | Temperature control device and method in large-volume concrete construction process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108425504A true CN108425504A (en) | 2018-08-21 |
| CN108425504B CN108425504B (en) | 2023-04-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474836.3A Active CN108425504B (en) | 2018-05-17 | 2018-05-17 | Temperature control device and method in large-volume concrete construction process |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184935A (en) * | 2019-06-05 | 2019-08-30 | 中交武汉港湾工程设计研究院有限公司 | A kind of cooling device and its construction method for high tower cast-in-place concrete construction |
| CN112412047A (en) * | 2020-10-15 | 2021-02-26 | 黄泽恩 | Self-heating vibrating rod for concrete tamping drum |
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| JP2006052588A (en) * | 2004-08-12 | 2006-02-23 | Nippon Steel Corp | Pile with underground heat exchanging outer pipe, and method of constructing underground heat exchanger using the pile |
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| CN110184935A (en) * | 2019-06-05 | 2019-08-30 | 中交武汉港湾工程设计研究院有限公司 | A kind of cooling device and its construction method for high tower cast-in-place concrete construction |
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| CN112412047B (en) * | 2020-10-15 | 2022-02-01 | 中国水利水电第九工程局有限公司 | Self-heating vibrating rod for concrete tamping drum |
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| Publication number | Publication date |
|---|---|
| CN108425504B (en) | 2023-04-28 |
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