CN201950720U - Box girder concrete steam curing device - Google Patents
Box girder concrete steam curing device Download PDFInfo
- Publication number
- CN201950720U CN201950720U CN2011200320567U CN201120032056U CN201950720U CN 201950720 U CN201950720 U CN 201950720U CN 2011200320567 U CN2011200320567 U CN 2011200320567U CN 201120032056 U CN201120032056 U CN 201120032056U CN 201950720 U CN201950720 U CN 201950720U
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- maintenance cover
- steam
- temperature
- pipeline
- case beam
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- Y02B60/50—
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model relates to a box girder concrete steam curing device, which comprises a curing hood, a steam heating system, a cooling system and a temperature control device. The cooling system is arranged on the curing hood, the steam heating system is connected with the curing hood via a pipeline, the curing hood is provided with a temperature sensor, the pipeline is provided with a valve, the temperature control device comprises a control cabinet and a central control machine, and the control cabinet is connected with the temperature sensor and is connected with the central control machine via a wireless network. The box girder concrete steam curing device overcomes the drawback that a traditional curing device is required to be moisturized manually, a total system can be reused, and energy consumption is saved.
Description
Technical field
The utility model relates to a kind of bridge construction device, specifically, is a kind of case beam concrete steam curing means.
Background technology
In bridge construction, behind case beam moulding by casting, concrete component is placed on the steam-curing chamber, feed water vapour concrete is heated up, quicken cement and supplementary cementitious material hydration and hardening process, reach demoulding strength fast, accelerate template turnover and production efficiency, this process is referred to as concrete maintenance.
Traditional maintenance method adopts natural law more, is about to the concrete natural air drying, and in order to guarantee the shrinkage factor unanimity, drape and water spray are preserved moisture on the case beam.But be to use this method need expend long time, utilization rate of equipment and installations is low; In order to improve its maintenance efficient, adopting auxiliary curing system to quicken it in construction solidifies, specifically, at first build several premises as fog room, radiator and temperature control equipment are set in fog room, by logical steam in radiator, thereby the maintenance indoor temperature is raise, thereby make concrete setting.The indoor temperature but this system only can raise, in case temperature is too high, then this system can't leave temperature rapidly, the back proposes an improvement scheme, on the fog room wall ventilation unit is set, in case temperature is too high, then by ventilation unit hot-air is discharged.Though this mode has solved the problem of curing system cooling, but because the principle of this system is by adding the evaporation of hot-air with moisture in the accelerate concrete, in maintenance processes, very easily cause cracking because case beam each several part concrete shrinkage rate is inconsistent, it still needs to rely on manpower to sprinkle water, preserve moisture, and because the people frequently passes in and out fog room, indoor heat just can loss, indoor temperature can not get guaranteeing, then heating system is that radiator is in running order often, so at first waste the energy, also reduced its service life simultaneously; Moreover fog room uses is the house of building, and all pours into a mould after maintenance finishes when the case beam, and fog room also needs to remove, and has caused waste for no reason.
Summary of the invention
The purpose of this utility model is to provide a kind of case beam concrete steam curing means of brand new in order to address the above problem.
The utility model adopts following technical scheme to be realized:
A kind of case beam concrete steam curing means, described case beam concrete steam curing means comprises maintenance cover system, steam-heating system, cooling system and attemperating unit, described maintenance cover system comprises maintenance cover, beam making bench, described beam making bench is arranged in the maintenance cover, described steam-heating system is connected with the maintenance cover by pipeline, and described steam-heating system and cooling system are controlled by temperature control system.
As a kind of improvement of the present utility model, described steam-heating system comprises pipeline, boiler and temperature sensor, and described temperature sensor is arranged in the maintenance cover, and described steam-heating system and cooling system are controlled by temperature control system.
As another kind of improvement the of the present utility model, described attemperating unit comprises switch board and central controller, and described switch board is provided with two at least, carries out transfer of data by wireless network between described central controller and the switch board.
As another kind of improvement the of the present utility model, described temperature control system also comprises display unit, and described display unit is arranged on the central controller, on the described pipeline valve is set, and an end that is arranged on the maintenance cover at pipeline is provided with spout.
The utility model has both guaranteed temperature by feed steam in the maintenance cover, has also guaranteed humidity simultaneously, thereby need not send the special messenger to preserve moisture; And the maintenance cover is a demountable structure, be beneficial to repeatedly to use, and the attemperating unit control mode that adopts switch board to combine with central controller, can monitor the maintenance process more easily.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein 1-pipeline, 2-maintenance cover, 3-spout, 4-beam making bench, 5-boiler, 6-cooling system, 7-valve, 8-switch board, 9-temperature sensor.
The specific embodiment
Below in conjunction with Figure of description the utility model is described in further detail:
The utility model discloses a kind of case beam concrete steam curing means, it comprises maintenance cover 2, maintenance cover 2 is detachable design, has a confession case beam and enter maintenance on maintenance cover 2, and beam making bench 4 is set in the maintenance cover, in the utility model, in the described maintenance cover 2 at least one group of beam making bench 4 is set, both have constituted the maintenance cover system jointly, also are provided with the spout 3 and the temperature sensor 9 that feed steam on maintenance cover 2, in particular, described maintenance cover 2 is a movable plank house.
Spout 3 is provided with the pipeline 1 of transit steam, in the utility model, at least six spouts 3 are set on maintenance cover 2, described spout 3 carries out gas transmission by a pipeline 1, so saved material consumption, described pipeline 1 connects boiler 5, and valve 7 is set on pipeline 1, and described valve 7 is controlled by temperature control system.
In the utility model, described maintenance cover system is provided with four groups at least, per two groups of maintenance cover systems are by 8 controls of a switch board, by switch board 8 the manual steam-cured or steam-cured automatically of case beam can be set, in the utility model, all switch boards 8 are by central controller master control in addition, and central controller writes down the temperature value of each pedestal case beam test point automatically, assign operational order etc. on request, have the search-read function of historical data, temperature curve.Is connected by wireless network between central authorities controller and the switch board 8, design has functions such as the real-time demonstration of maintenance case temperature, the setting of initial parameter (comprise and heating up and parameter setting that the segmentation of lowering the temperature is controlled) and security alarm on switch board 8.
Cooling system 6 of the present utility model adopts and ventilates and the chilling spray dual mode, ventilating system is arranged on the maintenance cover, described cooling spray system and heating system common sparing pipeline and spout, specifically, lateral is set on pipeline connects cooling spray system, valve is set on lateral, and described valve is controlled by temperature control system.
Below by concrete example the utility model is described:
Box girder steam curing technology generally be divided into quietly stop, intensification, constant temperature, 4 stages of cooling, quietly stop the stage and also claim precuring phase, preposition phase or the phase of leaving standstill, for behind the case beam moulding by casting and steam curing begin before one period standing time under atmospheric environment.This stage mainly is to guarantee that cement has carried out aquation to a certain degree in the concrete, has certain structure intensity, to prevent that the temperature raising period volume of concrete from expanding structure is produced destruction.
Quiet stopping after the stage finishes, to enter the temperature rise period in the case beam immigration maintenance cover 2, the structural strength of steam curing cement and concrete product and overall performance mainly are to form in the temperature rise period, this stage is determining the steaming quality of case beam, therefore the maintenance parameter of temperature rise period needs strict control as the parameters such as the temperature difference between coordination, exterior sheathing and the steam of heating rate, humiture.
Specifically, the utility model passes through to feed the steam of generation from boiler 5 in order to promote temperature in maintenance cover 2, the whether feeding of steam and feed speed and rely on switch board 8 to be realized, in particular, being switch board 8 controls the switching that is arranged on the valve on the pipeline as a reference and controls temperature by being arranged on Temperature Detector 9 detected Temperature numerical on the maintenance cover.When hanging down temperature, keep lower heating rate, heating rate is controlled at about 10 ℃/h.If the early stage precuring time of case beam is long more, the initial stage structure structural strength is high more, and heating rate can correspondingly improve; Otherwise, then need slowly to heat up.Vapours will condense into water when contacting with cold concrete surface, can cause the ratio of mud increase of product surface to influence case beam surface quality, therefore should adopt certain technology to control the humidity of product surface, generally can adopt water-keeping materials such as cotton felt, geotextiles before beginning to heat up, to be covered on the exposed surface of goods.
The main control parameters in constant temperature stage is thermostat temperature and constant temperature time.For cement and concrete product, the temperature in constant temperature stage is high more and curing time is long more, and the intensity of the fast more and final acquisition of the strength development of goods is high more.But too high thermostat temperature and the long heat time of supporting can cause the loss of goods later strength or other characteristic impaired, so select suitable thermostat temperature extremely important for steam-cured process.
Temperature-fall period will slowly stop vapour, uniform decrease in temperature, maintenance humidity.Because in temperature-fall period, the top layer cooling is fast, shrinks also fast; The internal layer cooling is slow, produces the temperature difference in the case beam table like this,, will in concrete, produce the crack.Harmful effect will be caused to concrete structure in the crack, therefore, in the selection of rate of temperature fall, need slowly cooling, reduce the temperature difference.Specifically, hot gas is discharged, spray simultaneously and make steady decline by ventilating system.After steam curing is removed fully, still must carry out maintenance, preserve moisture, spray warm water, guarantee high-strength concrete later stage maintenance quality, reduce the generation in crack as covering geotextiles to the case beam.
In the utility model, per two maintenance covers 2 rely on a switch board 8 to be controlled, and all switch boards 8 connect central controller by wireless network, carry out unified management by central controller.
Claims (5)
1. case beam concrete steam curing means, it is characterized in that: described case beam concrete steam curing means comprises maintenance cover system, steam-heating system, cooling system (6) and attemperating unit, described maintenance cover system comprises maintenance cover (2), beam making bench (4), described beam making bench (4) is arranged in the maintenance cover (2), described steam-heating system is connected with the maintenance cover by pipeline (1), and described steam-heating system and cooling system (6) are controlled by temperature control system.
2. a kind of case beam concrete steam curing means according to claim 1, it is characterized in that: described steam-heating system comprises pipeline (1), boiler (5) and temperature sensor (9), and described temperature sensor (9) is arranged in the maintenance cover.
3. a kind of case beam concrete steam curing means according to claim 2, it is characterized in that: described attemperating unit comprises switch board (8) and central controller, described switch board (8) is provided with two at least, carries out transfer of data by wireless network between described central controller and the switch board (8).
4. a kind of case beam concrete steam curing means according to claim 3, it is characterized in that: described temperature control system also comprises display unit, described display unit is arranged on the central controller.
5. a kind of case beam concrete steam curing means according to claim 4, it is characterized in that: valve (7) is set on the described pipeline (1), and an end that is connected maintenance cover (2) at pipeline (1) is provided with spout (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200320567U CN201950720U (en) | 2011-01-30 | 2011-01-30 | Box girder concrete steam curing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200320567U CN201950720U (en) | 2011-01-30 | 2011-01-30 | Box girder concrete steam curing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201950720U true CN201950720U (en) | 2011-08-31 |
Family
ID=44494845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200320567U Expired - Lifetime CN201950720U (en) | 2011-01-30 | 2011-01-30 | Box girder concrete steam curing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201950720U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278844A (en) * | 2013-07-12 | 2015-01-14 | 任丘市永基建筑安装工程有限公司 | Concrete steam curing kiln technology for intelligent housing |
| CN106113241A (en) * | 2016-07-26 | 2016-11-16 | 云南省公路科学技术研究院 | The device of mobile constant-temperature constant humidity concrete component standardization maintenance |
| CN106607985A (en) * | 2017-03-14 | 2017-05-03 | 中交武汉港湾工程设计研究院有限公司 | Gas bag type heat preservation and moisture preservation curing system and curing method using same |
| CN109853957A (en) * | 2019-03-21 | 2019-06-07 | 中电建建筑集团有限公司 | A kind of expansive concrete reinforcing strip replaces the continuous placing seamless construction method of post-cast strip |
| CN113370367A (en) * | 2021-06-29 | 2021-09-10 | 保利长大工程有限公司 | Combined UHPC (ultra high performance polycarbonate) curing method |
| CN114397928A (en) * | 2021-12-31 | 2022-04-26 | 长沙金湘水泥制品有限公司 | Intelligent electric pole maintenance system and method |
-
2011
- 2011-01-30 CN CN2011200320567U patent/CN201950720U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278844A (en) * | 2013-07-12 | 2015-01-14 | 任丘市永基建筑安装工程有限公司 | Concrete steam curing kiln technology for intelligent housing |
| CN106113241A (en) * | 2016-07-26 | 2016-11-16 | 云南省公路科学技术研究院 | The device of mobile constant-temperature constant humidity concrete component standardization maintenance |
| CN106607985A (en) * | 2017-03-14 | 2017-05-03 | 中交武汉港湾工程设计研究院有限公司 | Gas bag type heat preservation and moisture preservation curing system and curing method using same |
| CN109853957A (en) * | 2019-03-21 | 2019-06-07 | 中电建建筑集团有限公司 | A kind of expansive concrete reinforcing strip replaces the continuous placing seamless construction method of post-cast strip |
| CN113370367A (en) * | 2021-06-29 | 2021-09-10 | 保利长大工程有限公司 | Combined UHPC (ultra high performance polycarbonate) curing method |
| CN113370367B (en) * | 2021-06-29 | 2022-05-13 | 保利长大工程有限公司 | Combined UHPC (ultra high performance polycarbonate) curing method |
| CN114397928A (en) * | 2021-12-31 | 2022-04-26 | 长沙金湘水泥制品有限公司 | Intelligent electric pole maintenance system and method |
| CN114397928B (en) * | 2021-12-31 | 2023-04-11 | 长沙金湘水泥制品有限公司 | Intelligent electric pole maintenance system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |
|
| CX01 | Expiry of patent term |