CN106522106A - Steam curing system for high tower - Google Patents

Steam curing system for high tower Download PDF

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Publication number
CN106522106A
CN106522106A CN201611200915.2A CN201611200915A CN106522106A CN 106522106 A CN106522106 A CN 106522106A CN 201611200915 A CN201611200915 A CN 201611200915A CN 106522106 A CN106522106 A CN 106522106A
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CN
China
Prior art keywords
high tower
steam
steam curing
insulation
main pipeline
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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.)
Granted
Application number
CN201611200915.2A
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CN106522106B (en
Inventor
刘怀刚
安邦
高世强
庄值政
孙战赢
张凤凰
费永忠
肖向荣
檀兴华
张铮
葛纪平
赵升辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Road and Bridge International Co Ltd
Road and Bridge South China Engineering Co Ltd
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Road and Bridge International Co Ltd
Road and Bridge South China Engineering Co Ltd
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Priority to CN201611200915.2A priority Critical patent/CN106522106B/en
Publication of CN106522106A publication Critical patent/CN106522106A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention provides a steam curing system for a high tower. The steam curing system for the high tower comprises a heat supply module and a heat preservation module, wherein the heat supply module comprises a steam generation unit and a steam conveying unit connected with the steam generation unit, and the steam conveying unit comprises a main pipeline extending to a high position from a low position, a branched pipeline which intersects and communicates with the main pipeline, and a steam outlet pipeline which intersects and communicates with the branched pipeline; and the heat preservation module is composed of a plurality of cloth-shaped heat preservation units and used for covering the area through which the branched pipeline passes. Through the scheme, construction of tower columns in winter or under low-temperature conditions can be achieved.

Description

High tower steam curing system
Technical field
The present invention relates to road and bridge construction technical field, specifically, the present invention relates to a kind of high tower steam curing system.
Background technology
As the pylon tower column of the development of road and bridge construction technology, current cable-stayed bridge or suspension bridge is applied using hydraulic climbing formwork substantially Work.Climbing formwork for construction applies to the advanced template construction technique of skyscraper or towering structure monolithic reinforced concrete structure, Hydraulic automatic jumping formwork is attached in building structure, a kind of template system successively risen with structure construction, when mixed Solidifying soil reaches the demoulding after strength of mould stripping, and template is not landed, and template and climbing apparatus is climb by plant equipment and supporting mass One layer is risen, positioning fastening, iterative cycles construction.Therefore, there are strict requirements to the intensity of concrete when hydraulic climbing formwork climbs. Under actual environment, unavoidably in the winter time or low temp area is constructed, now due to low temperature, concrete quality and intensity are not And home, it is the construction quality for ensureing concrete, slow construction speed can only be dragged, continues up to after requiring after the intensity of concrete Carry out follow-up construction of climbing.Not only construction speed is slow for this kind of mode, regional arround impact to be open to traffic, and cannot even more ensure to mix Coagulate the quality of soil.
The content of the invention
The purpose of the present invention is aimed to provide and a kind of ensures king-post concrete temperature at low ambient temperatures, humidity so as to reached While to quality requirement, the high tower steam curing system of lifting construction efficiency.
To achieve these goals, the present invention provides technical scheme below:
A kind of high tower steam curing system, for high tower concrete curing, which includes:For thermal modules, including steam is produced Unit and the steam supply unit connected with the steam generating unit;The steam supply unit includes from lower extending to The main pipeline of eminence is intersected the subtube of connection and is intersected the steam outlet pipe of connection with the subtube with the main pipeline Road;Heat preservation module, is made up of some cloth-like heat-insulation units, for coating the region passed through by the subtube.
Wherein, the steam generating unit is the boiler room for being laid in lower.
Wherein, the boiler room is made up of multiple stage movable rows steam boiler.
Further, flange connection is carried out between the main pipeline and steam generating unit.
Further, the high tower is Cable-stayed Bridge Pylon, and the Sarasota includes two tower limbs, and described two tower limbs are by crossbeam Connection;The main pipeline extends to eminence by lower along arbitrary tower limb lateral surface.
Further, the shunt conduit for leading to another tower limb is provided with crossbeam described in the main pipeline Jing.
Further, the main pipeline is provided with the air bleeding valve for pressure release in lower.
Further, the main pipeline outer surface is also wrapped up and being wrapped up by fireproof insulation material.
Wherein, the main pipeline is provided with some first nodes for intersecting connection with the subtube, each described first segment Point dorsad extends two subtubes, per subtube described in bar around the concrete half-turn for being conserved.
Further, the subtube extends to a few lumen tube to inner chamber at the chamfering of the concrete for being conserved Road.
Further, the steam (vapor) outlet pipeline extends from the subtube every the Section Point that a segment distance is arranged Go out.
Wherein, the steam (vapor) outlet pipeline exit is provided with for controlling the valve of steam flow rate.
Wherein, the main pipeline, subtube and steam (vapor) outlet pipeline diameter dimension successively decrease successively.
Preferably, the main pipeline and subtube elbow that connects is connected using flexible pipe.
Wherein, the cloth-like heat-insulation unit includes being arranged in side insulation subelement and the cloth on the outside of the concrete for being conserved It is placed in the top insulation subelement of the TOC for being conserved.
Further, insulation subelement in the side includes coating some piece first insulations of the subtube institute through region Canvas.
Further, the top insulation subelement includes being fixed on the ceiling bracket and bag of the TOC for being conserved Cover some pieces second insulation canvas of the ceiling bracket.
Wherein, insulation canvas intersection connection in the form of repeating to cover simultaneously iron wire connection is integral.
Further, the insulation canvas is fire-resistant tarpaulin.
Wherein, the side insulation subelement is taken on the outside of the TOC for being conserved with the top insulation subelement Connect.
Compared to existing technology, the solution of the present invention has advantages below:
(1) it is of the invention by steam generating unit is laid under high tower, and delivered a vapor to by steam supply unit At the concrete conserved by needs, the outer surface of steel tube adopted by the main pipeline wherein in steam supply unit is enclosed with fireproof Insulation material, reduce steam course of conveying in thermal loss while, prevent the fire caused as vapor (steam) temperature is too high The generation of calamity.
(2) present invention lays side insulation subelement in the concrete side for being conserved, and using steam curing of concrete, realizes Even if under cryogenic, still ensuring that the design strength of the concrete when hydraulic climbing formwork climbs;Which meets hydraulic climbing formwork and climbs The condition for rising, it is ensured that the construction speed in the winter time or under cryogenic conditions, saves the construction period and ensure that construction quality.Enter One step ground, the side insulation subelement can be raised with the increase of concrete construction height, it is adaptable to which all kinds of Sarasotas or high level are built Maintenance when building hydraulic climbing mould construction to concrete.
(3) present invention lays top insulation subelement in the TOC for being conserved, will top after the completion of pouring on concrete Canopy is lifted to the top of concrete fixation, lays canvas and be passed through steam, by coating to concrete at top, enters One step strengthens steam-cured effect, and under the conditions of ensureing low-temperature construction in the winter time, construction sections concrete is still in controllable Under construction environment, so as to ensure construction quality.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments It is substantially and easy to understand, wherein:
Fig. 1 is the vertical section schematic diagram in one embodiment of the invention, the overall structure of its main presentation high tower.
Fig. 2 is the topology layout schematic diagram in one embodiment of the invention, the laying of its main presentation steam generating unit Position.
Fig. 3 is the plane figure schematic diagram in one embodiment of the invention, each portion in its main presentation steam supply unit The structural relation divided.
Fig. 4 is the vertical section schematic diagram in one embodiment of the invention, the knot of its main presentation heat preservation module each several part Structure relation.
Fig. 5 is the vertical section schematic diagram in one embodiment of the invention, each portion in its main presentation side insulation subelement The structural relation divided.
Fig. 6 is the vertical section schematic diagram in one embodiment of the invention, each portion in its main presentation top insulation subelement The structural relation divided.
Fig. 7 is the plane figure schematic diagram in one embodiment of the invention, a footing of its main presentation ceiling bracket Installation position.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
In road and bridge design, high tower 100 is generally the high tower of H-shaped bridge tower, i.e., one 100 to be included two tower limbs 10,20 and connects Connect the crossbeam 30 of the tower limb 10,20.In the present embodiment, for the building of road and bridge pylon tower column uses hydraulic climbing mould construction, I.e. hydraulic automatic jumping formwork is attached on the high tower of building, is successively risen with structure construction, is torn open when concrete reaches The demoulding after mould intensity, template are not landed, and template and climbing apparatus 40 are climbed one layer upwards by plant equipment and supporting mass, fixed Position fastening, iterative cycles construction.Wherein, the climbing apparatus 40 are made up of three layers of platform.Carry out in the winter time or under low temperature environment Construction needs the health temperature and humidity for ensureing concrete, in the present embodiment, there is provided a kind of high tower steam curing system, below Which is described in detail with reference to accompanying drawing:
With reference to accompanying drawing, the high tower steam curing system is included for thermal modules and heat preservation module;In the present embodiment, it is high Tower 100 is Cable-stayed Bridge Pylon, and which has two tower limbs 10,20, and is chatted as a example by the tower limb 10,20 is connected by crossbeam 30 State;In addition, the high tower steam curing system that the present embodiment is provided applies also for other buildings constructed under severe winter.It is described The steam conveying for including steam generating unit 4 under high tower 100 for thermal modules and connecting with the steam generating unit 4 Unit 1;Specifically, the steam generating unit 4 is to be laid in boiler room 41 in 100 lower safety zone of high tower, the boiler Concentrate and lay to be connected with the steam supply unit 1 in room 41;Wherein, it is contemplated that the air-tightness of heat preservation module and wherein steam The extent of deterioration of vapour, each boiler room 41 will be made up of the coal-burning boiler that multiple stage supply gas pressure is high, air demand is big, and which is specially lived Dynamic row's steam boiler.
The steam supply unit 1 includes main pipeline 11, subtube 12 and steam (vapor) outlet pipeline 13;Wherein described main pipeline 11 are connected with steam generating unit 4, for the steam produced by steam generating unit 4 is accessed toward steam supply unit 1;The master Pipeline 11 carries out flange using the method for leak-proof gasket companion flange disk with 1 joint of steam generating unit and is connected, and effectively reduces The leakage of interface steam, improves the utilization rate of steam.Further, the main pipeline 11 along tower limb 10 (in this enforcement In example, the main pipeline 11 can be laid along arbitrary tower limb 10 or 20, and which is laid on which tower limb has no effect on this enforcement The realization of example) lateral surface (preferably along two tower limb opposite sides) extends to eminence by lower.Further, in the present embodiment In, the main pipeline 11 of tower limb 20 is tapped via crossbeam 30 by the main pipeline 11 for being laid in tower limb 10, specially as the supervisor When road 11 is at the crossbeam 30 of two tower limbs 10,20 of connection, tap is set and leads to the isocon 31 of another tower limb 20 (as schemed 2), the isocon 31 is equal with the effect of the main pipeline 11, model, and here is only made a distinction with 31 1 noun of isocon (subtube 31 is also applied for the restriction of the main pipeline 11 subsequently);I.e. by same steel pipe and 4 phase of the steam generating unit After connecing, the steel pipe of another same model is then accessed at crossbeam 30 so as to realize main pipeline 11 while defeated toward two tower limbs 10,20 Send steam;Further, air bleeding valve (not shown) is additionally provided with the lower of high tower 100 in the main pipeline 11, which is used to drop The low pressure laid toward eminence due to steam supply unit 1 produced by conveying steam, it is ensured that in construction time curing system just Often use;More preferably, 11 outer surface of the main pipeline is enclosed with fireproof insulation material, to reduce heat in steam course of conveying Loss, and the generation of the fire for preventing from causing as vapor (steam) temperature is too high.
Further, the main pipeline 11 by lower extend to eminence and in 40 side of climbing apparatus when, be provided with it is some with The subtube intersects the first node 111 of connection, and each described first node 111 dorsad extends two subtubes 12.Specifically, as climbing apparatus 40 are made up of three layers of platform, in order to keep the temperature of 40 one-piece casting concrete of climbing apparatus Averagely, the main pipeline 11 is laid with first node 111 in each layer platform;Further, each first node 111 is connected to Two subtubes 12 for dorsad extending, wherein, two subtubes 12 are each around the concrete half-turn (such as Fig. 3) for being conserved, and A few intracavity pipeline 122 is extended to inner chamber at the chamfering of the concrete for being conserved, for steam being conveyed toward inner chamber, it is ensured that The balance of the concrete bulk temperature for being conserved.Further, the subtube 12 (including intracavity pipeline 122) is if be provided with Dry Section Point 1222, two adjacent Section Points 1222 are laid every a segment distance, and institute is spaced apart according to quilt The concrete size of maintenance is arranged.The steam (vapor) outlet pipeline 13 extends from the Section Point 1222;Wherein steam goes out Mouth pipeline 13 is separated by a distance consistent with Section Point 1222.More preferably, it is provided with 13 exit of steam (vapor) outlet pipeline For controlling the valve (not shown) of steam flow rate, so as to according to the temperature in heat preservation module, by adjusting outlet valve control Steam flow rate, adjusts temperature.
Further, the main pipeline 11, subtube 12 and steam (vapor) outlet pipeline 13 are what diameter dimension successively decreased successively Steel pipe, respective diameter dimension are specific as follows:
Main pipeline 11:Diameter 85mm;
Subtube 12:Diameter 48mm;
Steam (vapor) outlet pipeline:Diameter 25mm.
Preferably, in the present embodiment, the main pipeline 11 and subtube 12 elbow that connects is connected using flexible pipe, i.e. institute State main pipeline 11 climbing apparatus 40 each layer by first node 111 tap two flexible pipes, by two flexible pipes again each with Subtube 12 connects;Wherein, the elbow that connects mainly serves for ensuring pipeline steam conveying when the turning or tap using flexible pipe The facility of smooth and Pipe installing;The use of the flexible pipe is equally applicable to the tap of other pipeline enclosures, such as main pipeline 11 Between shunt conduit 31.
Wherein, the cloth-like heat-insulation unit 2 in heat preservation module includes side insulation subelement 21 and top insulation subelement 22;
The side insulation subelement 21 is laid in the lateral surface of the concrete for being conserved, the i.e. lateral surface of climbing apparatus 40; Which adopts some pieces first insulation canvas 211 to wrap up the lateral surface of climbing apparatus 40.Further, according to high tower diameter mouth Size, which can design and be incubated canvas 211 by multiaspect first climbing apparatus 40 are wrapped up;Further, cross in parcel Sentence the form connection that repetition is covered and iron wire connects integral, realize wrapping up full the side of the climbing apparatus 40.When complete The connection of each first insulation canvas 211 into pouring for single-unit concrete, when climbing apparatus 40 climb, need to be released, and first is protected Warm canvas 211 is rolled, in order to avoid affect to climb.
The top insulation subelement 22 is arranged in the TOC for being conserved, including being fixed on the concrete top that conserved The ceiling bracket 221 in portion and some pieces second insulation canvas 222 for coating the ceiling bracket 221.Wherein, the top Canopy support 221 supports (laying of the fulcrum 2210 of its leg 2211 is as shown in Figure 5) by four legs 2211.Further, exist The connected mode of some pieces second insulation canvas 222 in top insulation subelement 22 is incubated in subelement 21 first with the side The connected mode of insulation canvas 211 is consistent, and in the form of repeating to cover simultaneously iron wire connection, connection is integral.Further, institute The top for stating climbing apparatus 40 is the canvas lap-joint of the first insulation canvas 211 and the second insulation canvas 222, and described Second insulation canvas 222 is placed in the outside of the first insulation canvas 211, realizes the full parcel of construction sections.
More preferably, the insulation canvas 221,222 is fire-resistant tarpaulin, it is possible to decrease carry out the peace of band as vapor (steam) temperature is too high Full danger coefficient.In general, in the present embodiment by producing to enter concrete for the steam generating unit in thermal modules The steam of row insulated curing, and the steam of generation is conveyed via on the outside of high tower by steam supply unit, when its conveying When sections is constructed to climbing apparatus, by adjusting steam (vapor) outlet valve, control the temperature in heat preservation module, so as to realize in the winter time Or under the conditions of low temperature (0-5 DEG C), ensure that construction sections concrete is in normal temperature (15-20 DEG C) using steam curing system Under, so as to ensure concrete pour 5 tons or so still reach 75% design strength, so as to ensure construction quality.
The above is only some embodiments of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (20)

1. a kind of high tower steam curing system, for high tower concrete curing, it is characterised in which includes:
For thermal modules, including steam generating unit and the steam supply unit connected with the steam generating unit;The steaming Vapour supply unit includes extending to the main pipeline of eminence from lower and the main pipeline intersect connection subtube and with it is described Subtube intersects the steam (vapor) outlet pipeline of connection;
Heat preservation module, is made up of some cloth-like heat-insulation units, for coating the region passed through by the subtube.
2. high tower steam curing system according to claim 1, it is characterised in that the steam generating unit is to be laid in The boiler room of lower.
3. high tower steam curing system according to claim 2, it is characterised in that steamed by multiple stage movable rows the boiler room Boiler furnace is constituted.
4. high tower steam curing system according to claim 1, it is characterised in that the main pipeline and steam generating unit Between carry out flange connection.
5. high tower steam curing system according to claim 1, it is characterised in that the high tower is Cable-stayed Bridge Pylon, institute Stating Sarasota includes two tower limbs, and described two tower limbs are connected by crossbeam;The main pipeline is prolonged by lower along arbitrary tower limb lateral surface Extend eminence.
6. high tower steam curing system according to claim 5, it is characterised in that set at crossbeam described in the main pipeline Jing It is equipped with the shunt conduit for leading to another tower limb.
7. high tower steam curing system according to claim 1, it is characterised in that the main pipeline is provided with use in lower In the air bleeding valve of pressure release.
8. high tower steam curing system according to claim 1, it is characterised in that the main pipeline outer surface also wrap up by There is fireproof insulation material to wrap up.
9. high tower steam curing system according to claim 1, it is characterised in that the main pipeline be provided with it is some with it is described Subtube intersects the first node of connection, and each described first node dorsad extends two subtubes, per described in bar points Pipeline is around the concrete half-turn for being conserved.
10. high tower steam curing system according to claim 9, it is characterised in that the subtube is mixed what is conserved Coagulate a few intracavity pipeline is extended to inner chamber at the chamfering of soil.
The 11. high tower steam curing systems according to claim 9 or 10, it is characterised in that the steam (vapor) outlet pipeline from The subtube extends every the Section Point that a segment distance is arranged.
12. high tower steam curing systems according to claim 11, it is characterised in that the steam (vapor) outlet pipeline exit It is provided with for controlling the valve of steam flow rate.
13. high tower steam curing systems according to claim 1, it is characterised in that the main pipeline, subtube and steaming Vapor outlet pipe diameter size is successively decreased successively.
14. high tower steam curing systems according to claim 1, it is characterised in that the main pipeline is connected with subtube Elbow is connected using flexible pipe.
15. high tower steam curing systems according to claim 1, it is characterised in that the cloth-like heat-insulation unit includes cloth The side insulation subelement being placed on the outside of the concrete for being conserved and top insulation for being arranged in the TOC for being conserved are single Unit.
16. high tower steam curing systems according to claim 15, it is characterised in that the side insulation subelement includes Cover the subtube through some pieces first of region insulation canvas.
17. high tower steam curing systems according to claim 15, it is characterised in that the top insulation subelement includes solid Due to some pieces second insulation canvas of the ceiling bracket and the cladding ceiling bracket of the TOC for being conserved.
The 18. high tower steam curing systems according to claim 16 or 17, it is characterised in that the insulation canvas intersection To repeat to cover and connect integral in the form of iron wire connection.
The 19. high tower steam curing systems according to claim 16 or 17, it is characterised in that the insulation canvas is fire prevention Canvas.
20. high tower steam curing systems according to claim 15, it is characterised in that side insulation subelement with it is described Top insulation subelement is in the lateral overlap of the TOC for being conserved.
CN201611200915.2A 2016-12-22 2016-12-22 High tower steam curing system Active CN106522106B (en)

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CN106522106B CN106522106B (en) 2019-04-09

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Publication number Priority date Publication date Assignee Title
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CN202071195U (en) * 2011-04-21 2011-12-14 中铁二十四局集团南昌建设有限公司 Steam maintenance device for continuous rigid frame bridge
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JP2015004186A (en) * 2013-06-20 2015-01-08 鉄建建設株式会社 Curing method for placed concrete, and concrete structure
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CN204566351U (en) * 2015-05-08 2015-08-19 黄贺明 A kind of energy-conserving and environment-protective heating in medium frequency automatic temperature control concrete curing system
CN105625189A (en) * 2016-01-25 2016-06-01 赵立财 Hollow high-pier concrete pouring heat preservation and maintenance system
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