CN110424756A - Utilize the system of air-cooled principle control prevention of mass concrete internal-external temperature difference - Google Patents
Utilize the system of air-cooled principle control prevention of mass concrete internal-external temperature difference Download PDFInfo
- Publication number
- CN110424756A CN110424756A CN201910764466.1A CN201910764466A CN110424756A CN 110424756 A CN110424756 A CN 110424756A CN 201910764466 A CN201910764466 A CN 201910764466A CN 110424756 A CN110424756 A CN 110424756A
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- Prior art keywords
- prevention
- mass concrete
- temperature
- measuring
- sensor
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- 230000002265 prevention Effects 0.000 title claims abstract description 71
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000009435 building construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Building Environments (AREA)
Abstract
The present invention relates to a kind of systems using air-cooled principle control prevention of mass concrete internal-external temperature difference.Including air blower, the electrically-heated coil being connected with pipeline, the pipeline being embedded in prevention of mass concrete in advance, for measuring the first sensor of atmospheric temperature, for measuring the second sensor of electrically-heated coil temperature, for measuring the 3rd sensor into prevention of mass concrete inlet gas in pipelines temperature, for measuring the 4th sensor of prevention of mass concrete internal temperature, for measuring the 5th sensor of prevention of mass concrete exit gas in pipelines temperature, for measuring the 6th sensor of prevention of mass concrete external skin temperatures, electrically-heated coil current controller, rotation speed of fan controller, PLC control system.The present invention controls the internal and external temperature of prevention of mass concrete, and more simple and easy to do, more water-saving, more energy efficient, more section material, operation are intelligent, reduce the internal temperature of prevention of mass concrete, to guarantee prevention of mass concrete internal-external temperature difference lower than 25 DEG C, guarantee that surface of massive concrete structures does not generate straight joint, suitable for any construction site, do not limited by water source.
Description
Technical field
It is specifically a kind of to control prevention of mass concrete internal-external temperature difference using air-cooled principle the present invention relates to technical field of building construction
System.
Background technique
Prevention of mass concrete is widely used in the large size of China Democratic National Construction Association's raft foundation, the pier of bridge, industrial building in building field
The significant points such as Equipment Foundations, and the quality requirement of prevention of mass concrete important one must not be exactly and have through crack, because perforation is split
Seam can reduce the globality of prevention of mass concrete component, influence structure stress safety.And prevent the important hand in prevention of mass concrete generation crack
Section is exactly to guarantee that concrete internal-external temperature difference is not greater than 25 DEG C in curing period.
It is exactly before prevention of mass concrete pours, inside it in advance in the common method that curing period control prevention of mass concrete crack generates
Bury the pipeline of screw type or laminated type arrangement, pipeline generally uses steel pipe, to concrete placings after, water flowing in the duct utilizes
Water takes away the part heat of hydration generated inside prevention of mass concrete, to achieve the effect that reduce prevention of mass concrete internal temperature.This side
Method is generally used in important surface of massive concrete structures construction.Since cooling medium is using water, and to water when maintenance
Temperature also requires, and water temperature and prevention of mass concrete internal difference in temperature are also not greater than 25 DEG C, therefore requires must to prepare water tank and right
Water is heated.Working measure material is more, and consumes energy, water consumption.
Summary of the invention
Present invention seek to address that the above problem, to provide a kind of using air-cooled principle control prevention of mass concrete internal-external temperature difference
System, it is more simple and easy to do, water-saving, energy saving, section material, can intelligent control method reduce prevention of mass concrete internal temperature, to protect
It demonstrate,proves prevention of mass concrete internal-external temperature difference and is lower than 25 DEG C, guarantee that surface of massive concrete structures does not generate straight joint.
The present invention solves described problem, the technical solution adopted is that:
A kind of system using air-cooled principle control prevention of mass concrete internal-external temperature difference, including air blower, the heating wire being connected with pipeline
The pipeline being embedded in prevention of mass concrete in advance, the temperature sensor at each position in prevention of mass concrete, electrically-heated coil electric current control is arranged in circle
Device processed, rotation speed of fan controller, PLC control system；Air blower and electrically-heated coil are sequentially arranged in the gas access side of pipeline,
Air is driven by air blower, is entered in the pre-buried pipeline in prevention of mass concrete after electrically-heated coil is warmed to preference temperature, In
Gas is heated again by heat in prevention of mass concrete in prevention of mass concrete, and the gas of last higher temperature is discharged from the gas vent of pipeline
Into in atmosphere, by the air flow process in pipeline, air has taken away the partial heat inside prevention of mass concrete, to play
Reduce the effect of prevention of mass concrete internal temperature；The temperature data that each spot temperature sensor collection arrives, by PCL control system
After calculating pretreatment, PCL control system is by control blower speed and the temperature change of electrically-heated coil, so that concrete internal-external temperature difference
Always within 25 DEG C.
The present invention by adopting the above technical scheme, compared with prior art, the feature protruded is:
The present invention makes the internal and external temperature of prevention of mass concrete control more simple and easy to do, more water-saving, more energy efficient, more section material, operation intelligence,
The internal temperature of prevention of mass concrete is reduced, to guarantee prevention of mass concrete internal-external temperature difference lower than 25 DEG C, guarantees that surface of massive concrete structures does not produce
Raw straight joint, applies generally to any construction site, is not limited by water source.
Preferably, the further technical solution of the present invention is:
Temperature sensor includes for measuring the first temperature sensor of atmospheric temperature, second for measuring electrically-heated coil temperature
Temperature sensor, for measuring the third temperature sensor into prevention of mass concrete inlet gas in pipelines temperature, it is big for measuring
4th temperature sensor of volume concrete internal temperature, the 5th temperature for measuring prevention of mass concrete exit gas in pipelines temperature
Sensor, the 6th temperature sensor for measuring prevention of mass concrete external skin temperatures.
Pipeline is thin-wall steel tube, and thin-wall steel tube is arranged in prevention of mass concrete by screw type or laminated type.
PLC control system accesses wisdom fielded system.
Detailed description of the invention
Fig. 1 is system structure diagram of the embodiment of the present invention；
In figure: air blower 1；Electrically-heated coil 2；Pipeline 3；First temperature sensor 4；Second temperature sensor 5；Third temperature sensing
Device 6；4th temperature sensor 7；5th temperature sensor 8；6th temperature sensor 9；Electrically-heated coil current controller 10；Blower
Rotational speed governor 11；PLC control system 12.
Specific embodiment:
Below with reference to embodiment, the invention will be further described, and purpose, which is only that, more fully understands the content of present invention, therefore, institute
The example of act is not intended to limit protection scope of the present invention.
Referring to Fig. 1, a kind of system using air-cooled principle control prevention of mass concrete internal-external temperature difference, including air blower 1 and pipeline
3 connected electrically-heated coils 2, the pipeline 3 being embedded in prevention of mass concrete in advance, the temperature sensing that each position in prevention of mass concrete is set
Device, rotation speed of fan controller 11, is used for blower and temperature sensor data collection and automation at electrically-heated coil current controller 10
The PLC control system 12 of processing；Pipeline 3 is thin-wall steel tube, and screw type is pressed in prevention of mass concrete or laminated type arranges pre-buried Steel Thin-Wall
Pipe is sequentially arranged air blower 1 and electrically-heated coil 2 in the gas access side of pipeline 3, and the first temperature sensor 4, second temperature pass
Sensor 5, third temperature sensor 6, the 4th temperature sensor 7, the 5th temperature sensor 8, the 6th temperature sensor 9, heating wire
Loop current controller 10, rotation speed of fan controller 11 are connect with PLC control system 12 respectively, and air is driven by air blower 1, are passed through
It crosses after electrically-heated coil 2 is warmed to preference temperature and enters in the pre-buried pipeline 3 in prevention of mass concrete, gas is by substantially in prevention of mass concrete
Heat heats again in product concrete, and the gas vent of gas from the pipeline 3 of last higher temperature is discharged into atmosphere, passes through pipeline
Air flow process in 3, air have taken away the partial heat inside prevention of mass concrete, so that playing reduces temperature inside prevention of mass concrete
The effect of degree；In the present embodiment, temperature sensor includes for measuring the first temperature sensor 4 of atmospheric temperature, for measuring
The second temperature sensor 5 of 2 temperature of electrically-heated coil, for measuring the third into gas temperature in prevention of mass concrete inlet pipeline 3
Temperature sensor 6, the 4th temperature sensor 7 for measuring prevention of mass concrete internal temperature, for measuring prevention of mass concrete exit
5th temperature sensor 8 of gas temperature, the 6th temperature sensor 9 for measuring prevention of mass concrete external skin temperatures in pipeline 3；Respectively
The temperature data that spot temperature sensor collection arrives, after the calculating pretreatment by PCL control system 12, PCL control system 12
Become by the temperature that rotation speed of fan controller 11, electrically-heated coil current controller 10 control 1 revolving speed of air blower and electrically-heated coil 2
Change, so that concrete internal-external temperature difference is in always within 25 DEG C, finally the PCL control system 12 can access wisdom fielded system, mention
The automatization level of high project management.
When prevention of mass concrete is too huge, multiple regions can be divided, each region is respectively arranged independent above-mentioned system
System.
The present invention makes the internal and external temperature of prevention of mass concrete control more simple and easy to do, more water-saving, more energy efficient, more section material, operation intelligence
Energyization, reduces the internal temperature of prevention of mass concrete, to guarantee that prevention of mass concrete internal-external temperature difference lower than 25 DEG C, guarantees surface of massive concrete structures
Straight joint is not generated, any construction site is applied generally to, is not limited by water source.
The foregoing is merely preferably feasible embodiment of the invention, not thereby limiting the scope of the invention,
It is all to use equivalence changes made by description of the invention and its accompanying drawing content, it is intended to be included within the scope of the present invention.
Claims (4)
1. it is a kind of using air-cooled principle control prevention of mass concrete internal-external temperature difference system, it is characterised in that: including air blower (1), with
The connected electrically-heated coil (2) of pipeline, the pipeline (3) being embedded in prevention of mass concrete in advance, the temperature that each position in prevention of mass concrete is set
Spend sensor, electrically-heated coil current controller (10), rotation speed of fan controller (11), PLC control system (12)；Air blower (1)
And electrically-heated coil (2) is sequentially arranged in the gas access side of pipeline (3), air is driven by air blower (1), by heating wire
Circle (2) enters in the pre-buried pipeline (3) in prevention of mass concrete after being warmed to preference temperature, and gas is by prevention of mass concrete in prevention of mass concrete
Interior heat heats again, and the gas vent of gas from the pipeline (3) of last higher temperature is discharged into atmosphere, passes through pipeline
(3) air flow process in, air have taken away the partial heat inside prevention of mass concrete, so that playing reduces inside prevention of mass concrete
The effect of temperature；The temperature data that each spot temperature sensor collection arrives, the calculating pretreatment by PCL control system (12)
Afterwards, PCL control system (12) passes through the temperature change of control air blower (1) revolving speed and electrically-heated coil (2), so that concrete internal-external temperature difference
Always within 25 DEG C.
2. the system according to claim 1 using air-cooled principle control prevention of mass concrete internal-external temperature difference, it is characterised in that: temperature
Degree sensor includes the second temperature for measuring the first temperature sensor (4) of atmospheric temperature, for measuring electrically-heated coil temperature
Spend sensor (5), for measuring the third temperature sensor (6) into prevention of mass concrete inlet gas in pipelines temperature, for surveying
Measure the 4th temperature sensor (7) of prevention of mass concrete internal temperature, for measuring prevention of mass concrete exit gas in pipelines temperature
5th temperature sensor (8), the 6th temperature sensor (9) for measuring prevention of mass concrete external skin temperatures.
3. the system according to claim 1 using air-cooled principle control prevention of mass concrete internal-external temperature difference, it is characterised in that: pipe
Road (3) is thin-wall steel tube, and thin-wall steel tube is arranged in prevention of mass concrete by screw type or laminated type.
4. the system according to claim 1 using air-cooled principle control prevention of mass concrete internal-external temperature difference, it is characterised in that:
PLC control system (12) accesses wisdom fielded system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764466.1A CN110424756A (en) | 2019-08-19 | 2019-08-19 | Utilize the system of air-cooled principle control prevention of mass concrete internal-external temperature difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764466.1A CN110424756A (en) | 2019-08-19 | 2019-08-19 | Utilize the system of air-cooled principle control prevention of mass concrete internal-external temperature difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110424756A true CN110424756A (en) | 2019-11-08 |
Family
ID=68416922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910764466.1A Withdrawn CN110424756A (en) | 2019-08-19 | 2019-08-19 | Utilize the system of air-cooled principle control prevention of mass concrete internal-external temperature difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110424756A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014003480A1 (en) * | 2014-03-14 | 2014-06-05 | Holger Prügel | Method for installing ventilating channel in building, involves introducing elongate drying body in ventilating channel before setting of concrete or cement, where elongate drying body has moisture-permeable casing |
| CN204475343U (en) * | 2015-01-17 | 2015-07-15 | 新八建设集团有限公司 | The internally air-cooled heat sink of concrete in mass maintenance |
| CN206551189U (en) * | 2017-03-06 | 2017-10-13 | 广西柳州和信工程质量检测有限公司 | Concrete cement standard curing box |
| CN207526123U (en) * | 2017-10-11 | 2018-06-22 | 张启志 | A kind of new concrete intelligent temperature control device |
| CN210563502U (en) * | 2019-08-19 | 2020-05-19 | 中国二十二冶集团有限公司 | System for controlling internal and external temperature difference of large volume concrete by using air cooling principle |
-
2019
- 2019-08-19 CN CN201910764466.1A patent/CN110424756A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014003480A1 (en) * | 2014-03-14 | 2014-06-05 | Holger Prügel | Method for installing ventilating channel in building, involves introducing elongate drying body in ventilating channel before setting of concrete or cement, where elongate drying body has moisture-permeable casing |
| CN204475343U (en) * | 2015-01-17 | 2015-07-15 | 新八建设集团有限公司 | The internally air-cooled heat sink of concrete in mass maintenance |
| CN206551189U (en) * | 2017-03-06 | 2017-10-13 | 广西柳州和信工程质量检测有限公司 | Concrete cement standard curing box |
| CN207526123U (en) * | 2017-10-11 | 2018-06-22 | 张启志 | A kind of new concrete intelligent temperature control device |
| CN210563502U (en) * | 2019-08-19 | 2020-05-19 | 中国二十二冶集团有限公司 | System for controlling internal and external temperature difference of large volume concrete by using air cooling principle |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191108 |