CN108407063A - A kind of steam protecting method of partition plate steam protecting method and concrete product - Google Patents
A kind of steam protecting method of partition plate steam protecting method and concrete product Download PDFInfo
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- CN108407063A CN108407063A CN201810267430.8A CN201810267430A CN108407063A CN 108407063 A CN108407063 A CN 108407063A CN 201810267430 A CN201810267430 A CN 201810267430A CN 108407063 A CN108407063 A CN 108407063A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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Abstract
The invention discloses a kind of partition plate steam protecting method and the steam protecting methods of concrete product, are related to concrete curing technical field.The partition plate steam protecting method is placed on by lashing partition plate to be conserved in fog room, it is controlled into trip temperature by the oily transfer pipeline of heating in maintenance processes, it is passed through steam by steam pipework and carries out humid control, it can not only precise control of temperature and humidity, the control of temperature simultaneously does not influence the regulation and control of humidity, therefore the flexibility ratio operated is high.Temperature control in maintenance processes is divided into heat up three times, obtains good maintenance effect, ensures that the water content of component surface reaches specified requirement after final Temperature fall, avoids that detection is repeated, time saving and energy saving.The steam protecting method of the concrete product includes above-mentioned partition plate steam protecting method, can be obviously improved the flexibility of temperature and humidity control, and temperature control accuracy is high.
Description
Technical field
The present invention relates to concrete curing technical fields, and more particularly to a kind of partition plate steam protecting method and concrete
The steam protecting method of product.
Background technology
After concrete cast, such as hot climate is air-dried, and is conserved not in time, and moisture can evaporate in concrete
Soon, dehydrating phenomena is formed, the cement granules for having formed gelinite can be prevented from abundant aquation, stable crystallization cannot be converted into,
Lack enough cohesive forces, to sheet occur in concrete surface or powdery falls off.In addition, not yet having foot in concrete
When enough intensity, the premature evaporation of moisture also will produce larger contraction distortion, cup shake occurs.So after concreting
The maintenance of initial stage is extremely important, should be conserved immediately after concrete final set, after dry concrete Ying Yu is poured
It is conserved immediately.
It is not easy to control but there is temperature and humidities in existing curing room, it needs to be repeatedly detected not in maintenance processes
There is the problem of accurate regulation.
Invention content
The purpose of the present invention is to provide a kind of partition plate steam protecting methods, it is intended to by the temperature humidity during maintenance
It is accurately controlled, while avoiding being repeatedly detected component surface water content.
Another object of the present invention is to provide a kind of steam protecting method of concrete product, temperature and humidity manipulations
It is convenient, it is convenient for accurately controlling and reducing the labor intensity of operating personnel.
The present invention solves its technical problem using following technical scheme to realize.
The present invention proposes a kind of partition plate steam protecting method, includes the following steps：
It will be stacked in fog room after the partition plate conserved lashes, using the indoor oil heating of maintenance in maintenance processes
Pipeline is controlled into trip temperature, and is passed through steam by conserving indoor steam pipework；
Temperature control in maintenance processes includes a temperature rise period, secondary temperature elevation stage, three times temperature rise period and drop
Thermophase；
Relative humidity 90%-100% is kept in the temperature rise period in a temperature rise period, secondary temperature elevation stage and three times, and
It carries out in confined conditions；Wherein, it is that will conserve indoor temperature to be warming up to 23-27 DEG C, and keep the temperature in a temperature rise period
2-3h；It is that will conserve indoor temperature to be warming up to 45-55 DEG C, and keep the temperature 3-5h in the secondary temperature elevation stage, in rank of heating up three times
It is that will conserve indoor temperature to be warming up to 70-80 DEG C, and keep the temperature 4-6h in section；
It is off in temperature-fall period and is passed through steam, carried out the hermatic door for opening fog room after tentatively cooling down, then cool down
2-3h is stood again after to environment temperature.
A kind of steam protecting method of concrete product, including above-mentioned partition plate steam protecting method.
The embodiment of the present invention provides a kind of advantageous effect of partition plate steam protecting method：Its by will it is be conserved every
Wallboard, which lashes, to be placed in fog room, is controlled into trip temperature by the oily transfer pipeline of heating in maintenance processes, is passed through steaming
Vapor pipeline be passed through steam carry out humid control, can not only precise control of temperature and humidity, while the control of temperature do not influence it is wet
The regulation and control of degree, therefore the flexibility ratio operated is high.Temperature control in maintenance processes is divided into heat up three times, and tentatively after cooling again
Temperature fall, wherein the stringent control of the soaking time in each stage, obtains good maintenance effect, ensure after final Temperature fall
The water content of component surface reaches specified requirement, avoids that detection is repeated, time saving and energy saving.The present invention also provides a kind of coagulations
The steam protecting method of native product comprising above-mentioned partition plate steam protecting method can be obviously improved temperature and humidity control
The flexibility of system, and temperature control accuracy is high.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the overall structure diagram in the steam curing room that embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram of fog room in Fig. 1；
Fig. 3 is the structural schematic diagram of material apparatus for placing in Fig. 2；
Fig. 4 is the enlarged drawing in IVth areas Tu3Zhong；
Fig. 5 is the structural schematic diagram that pipeline and steam pipework are heated in Fig. 2.
Icon：100- steam curings room；110- pedestals；120- draggers；130- fog rooms；1332- holds frame；
1333- conserves plate；1334- conservation layers；1335- spacing boards；132- heats pipeline；1321- first heats pipeline；1322- first
Feeding pipe；The discharging pipelines of 1323- first；133- material apparatus for placing；134- steam pipeworks；1342- main steam headers road；
1343- steam branch pipelines；1344- the first steam branch pipelines；1345- the second steam branch pipelines；140- oil heat transfer boilers；150- steams
Vapour supplies boiler；160- temperature-detecting devices；170- humidity detectors；180- control rooms.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Below to the steam protecting method of partition plate steam protecting method provided in an embodiment of the present invention and concrete product
It is specifically described.
A kind of partition plate steam protecting method provided in an embodiment of the present invention, using the indoor oil of maintenance in maintenance processes
Heat pipeline and carry out temperature control, and steam is passed through by conserving indoor steam pipework, can not only precise control of temperature and
Humidity, while the control of temperature does not influence the regulation and control of humidity, therefore the flexibility ratio operated is high.Use oil can be right for heat medium
The temperature range of bigger carries out temperature adjustment, and the accuracy controlled is high.
Specifically, the vapor (steam) temperature in steam pipework is 110-130 DEG C, pressure 8-10kg/cm2.It carries in the present invention
It is to be heated using oil heating pipeline in the maintenance process of confession, the vapor (steam) temperature that steam pipework provides is unsuitable excessively high, makes steam
Pipeline and oil heating pipeline mutual cooperation reach accurately controlling for temperature and humidity.
In practical maintenance processes, it will be stacked in fog room after the partition plate conserved lashes first.Specifically, partition wall
It is to be bundled into every 5-7 blocks partition plate a bundle, and the corresponding conservation layer of bundle per 2-3, bundled partition plate are convenient that plate, which lashes process,
It is mobile and place, but often the quantity of bundle partition plate should not be excessive, on the one hand due to if excessive weight it is excessive, it has not been convenient to remove
Fortune, it is often more important that：Inventor has found that the quantity of often bundle partition plate crosses conference and influences the maintenance effect of partition plate.
By the way that multiple maintenance plates are arranged from top to bottom in fog room, multiple conservation layers are formed, steam pipework is provided with multiple
Steam (vapor) outlet, and each steam (vapor) outlet corresponds to a conservation layer.It conserves and is provided with multiple intervals on indoor each maintenance plate
Plate, the distance of two neighboring spacing board and the thickness of partition plate are adapted.Specifically, the length and width of fog room is respectively
The height of 18-22m, 8-12m, each conservation layer are 3m, and the height of spacing board is 3-5cm.The structure and correspondence of specific fog room
Technique effect please refer to the content introduction in specification about fog room.
Temperature control in maintenance processes specifically includes following steps：
S1, a temperature rise period.
Specifically, this stage and subsequent temperature rise period carry out under conditions of closed, keep relative humidity 90%-
100%, relative humidity is an important parameter in each temperature rise period, if relative humidity crosses the production that conference entirely extends maintenance
Period also reduces the cohesive force of concrete, it is not easy to generate stable crystallization to a certain extent；If relative humidity is too small to be reached
It to maintenance effect, easy tos produce that moisture evaporation in concrete is too fast to cause dehydrating phenomena, also easy tos produce cup shake.
Specifically, it is that will conserve indoor temperature to be warming up to 23-27 DEG C, and keep the temperature 2-3h in a temperature rise period.This
Stage for making the partition plate final set of just placing be molded, should not heat up in the process, with obtain homogeneous and hardness compared with
High partition wall panel products.
S2, secondary temperature elevation stage.
It is that will conserve indoor temperature to be warming up to 45-55 DEG C, and keep the temperature 3-5h in the secondary temperature elevation stage.In secondary temperature elevation
The temperature that stage is finally reached needs to control within the above range, the rate mistake of moisture evaporation in secondary temperature elevation and holding stage
Soon, inventor has found the partition plate that the control of temperature in this stage is important, in this temperature range after maintenance
Intensity can reach requirements at the higher level, and be not in cup shake.If even if the control of the excessively high cooperation humidity of temperature is still easy
Cup shake is generated, the quality of partition plate is influenced.
Specifically, secondary temperature elevation step-up temperature rate is 3-5 DEG C/min, it is however generally that the heating during concrete curing
Rate is not preferably greater than 10 DEG C/min, but inventor has found that heating rate still suffers from production more than 5 DEG C/min in temperature-rise period
The phenomenon that raw cup shake, oily mode of heating in the range of heating rate is 3-5 DEG C/min in the cooperation present invention can shut out
The phenomenon that total crop failure life cup shake.
S3, three times temperature rise period.
It is that will conserve indoor temperature to be warming up to 70-80 DEG C, and keep the temperature 4-6h in the temperature rise period three times.By it is preceding twice
After temperature rise period, concrete has reached more sufficient aquation, but in order to which concrete hydrating completely must be in higher temperature rank
The Duan Baowen long periods, to ensure the intensity of finally obtained partition plate and prevent the generation of cup shake in use.
Specifically, the heating rate during the temperature rise period is 3-5 DEG C/min, the original of this stage control heating rate three times
Reason please refers to the secondary temperature elevation stage.
S4, temperature-fall period.
Specifically, it is off in temperature-fall period and is passed through steam, carry out the hermatic door for opening fog room after tentatively cooling down, so
After be cooled to environment temperature after stand 2-3h again.Hermatic door should not be opened at relatively high temperatures, prevent the oxidation of partition wall plate surface
And the service life of partition plate is influenced, therefore hermatic door is opened again after temperature reduction.
It is that will conserve indoor temperature to be down to 25-35 DEG C in the preliminary temperature-fall period of temperature-fall period, substantially slightly above environment
Temperature can be by partition plate natural cooling.Specifically, in temperature-fall period, rate of temperature fall is 50-60 DEG C/h, in cooling rank
The rate of temperature fall of section is very slow, and partition plate does not adapt to too fast rate of temperature fall in hydration process, and cooling is too fast to be easy to cause
Internal temperature is inhomogenous to make partition plate deform upon.Cooling is accelerated using the maintenance process provided in the present invention to a certain extent
Rate, shortens the production cycle, improves the product strength of partition plate instead.
The embodiment of the present invention additionally provides a kind of steam protecting method of concrete product, including above-mentioned partition plate steam is supported
Maintaining method.Above be partition plate specific operation process in, it is equal for general concrete material in concrete process
The method may be used and carry out steam curing, to achieve the purpose that abundant aquation.
Finally, the entire steam curing room of combination provided in an embodiment of the present invention carries out oil heating pipeline and steam pipework
It illustrates.
Referring to Fig.1 and 2, an embodiment of the present invention provides a kind of steam curing room 100, including pedestal 110 and it is used for
The dragger 120 for driving pedestal 110 to move, one end of pedestal 110 is connected with dragger 120；It is provided with fog room on pedestal 110
130, the oily heat transfer boiler 140 for providing fog room 130 heater oil and the steaming for providing fog room 130 water vapour
Vapour supplies boiler 150.
It should be noted that steam curing room 100 is by the way that fog room 130 to be set on pedestal 110, and pass through dragger
120 pairs of pedestals 110 move, and the place flexibility ratio of maintenance is high, and the labor intensity of operating personnel is reduced in transportational process；
Heater oil is provided by oily heat transfer boiler 140, accurately controls the temperature in fog room 130；Boiler 150 is supplied by steam to carry
Ensure the humid control in fog room 130 in a certain range for maintenance steam.Therefore, steam curing room provided by the invention
100, which have temperature and humidity control, does not interdepend, the especially control of temperature independent of the quantity of steam in fog room 130,
Reach the high advantage of the accuracy of easy to operate control, simultaneously because fog room 130 can carry out the adjustment of position as needed
Different job requirements are adapted to, the flexibility ratio of operation process is improved.
Specifically, oily heat transfer boiler 140 is the existing boiler for providing the higher heater oil of temperature, and operation principle exists
This, which does not do, excessively repeats.Steam supply boiler 150 is also the existing boiler for providing heating steam, ensures fog room
Moisture content in 130.Dragger 120 can be tractor-drawn machine etc., can the fog room 130 larger to weight hold in the palm
It is transported to appointed place, avoids cargo handling process repeatedly.
Temperature-detecting device 160, humidity detector 170 are provided in fog room 130 and for holding plank to be conserved
Material apparatus for placing 133, the outlet face material apparatus for placing 133 of steam pipework 134.Pass through 160 He of temperature-detecting device
Humidity detector 170 constantly monitors the temperature and humidity in fog room 130.
Further, control room 180 is additionally provided on pedestal 110, oily heat transfer boiler 140 and steam supply boiler 150 are equal
Communicated to connect with the controller (not shown) in control room 180, temperature-detecting device 160 and humidity detector 170 with control
Device communication connection processed.
Specifically, control room 180, oily heat transfer boiler 140 and steam supply boiler 150 are respectively positioned on pedestal 110 close to traction
One end of machine 120, and control room 180 is located between oily heat transfer boiler 140 and steam supply boiler 150.Such position setting
Operating personnel can be made to be adjusted and monitor into control room 180 out of dragger 120 driver's cabin.
Specifically, the controller in control room 180 is the control system of the plug-ins such as general chip, is not done herein
It repeats more.Oily heat transfer boiler 140 and steam supply boiler 150 control work by controller, control quantity of steam and the steaming of offer
The conditions such as stripping temperature and oil temperature.Temperature-detecting device 160 and humidity detector 170 extremely control the data feedback detected
Device processed is convenient for subsequent adjusting.
Further, Fig. 2-Fig. 4 is please referred to, the material apparatus for placing 133 in fog room 130 includes holding 1332 He of frame
The multiple maintenance plates 1333 held on frame 1332 are fixed on, multiple maintenance plates 1333 are arranged from top to bottom, and each conserve plate
1333 extend to the opposite other end from the one end for holding frame 1332, and one is formed between adjacent two maintenance plates 1333
Conservation layer 1334.Specifically, the height of a conservation layer 1334 is substantially adapted with the height of plank, and bundled plank is placed
The maintenance of a period of time is carried out in a conservation layer 1334.
Specifically, it can be cuboid framework to hold frame 1332, only include the fixed column on 12 sides, conserve plate
1333 are arranged from top to bottom, are adjusted according to maintenance amount, and entire fog room 130 is divided and is layered progress for multiple conservation layers 1334
Maintenance.
In order to make the maintenance effect between adjacent plank in maintenance processes more preferably, each conserve is respectively provided on plate 1333
There are multiple spacing boards 1335, the distance between adjacent two spacing boards 1335 and the thickness of plank to be conserved to be adapted.Interval
Plate 1335 keeps apart adjacent plank, and the temperature and humidity of entire plank is made to control in preferable range, to be promoted
Maintenance effect.Wherein, the height of spacing board 1335 is unsuitable excessively high so that the process for placing plank is more convenient, substantially 3-
5cm。
Specifically, be provided with oil heating pipeline 132 and steam pipework 134 in fog room 130, oil heating pipeline 132 into
The outlet of mouth and oily heat transfer boiler 140, the inlet communication of the outlet and oily heat transfer boiler 140 of oil heating pipeline 132, steam
Supply the inlet communication of the outlet and steam pipework 134 of boiler 150.Oil heating pipeline 132 is using heater oil as heat medium pair
Material in fog room 130 is heated, and steam pipework 134 provides the steam for maintaining the humidity in fog room 130.
Further, incorporated by reference to Fig. 2 and Fig. 5, steam pipework 134 includes main steam header road 1342 and is oppositely arranged multiple
The steam inlet of steam branch pipeline 1343, each steam branch pipeline 1343 is connected to main steam header road 1342, each steam point
One conservation layer 1334 of steam (vapor) outlet face of pipeline 1343 and another corresponding steam branch pipeline 1343.By being oppositely arranged
Two steam branch pipelines 1343 steam is passed through to a conservation layer 1334, to ensure the steam content in plank region.
Further, steam branch pipeline 1343 includes multiple first steam branch pipelines 1344 for being arranged from top to bottom and multiple
Second steam branch pipeline 1345, each first steam branch pipeline 1344 correspond to a second steam branch pipeline 1345, and first steams
The steam (vapor) outlet of vapour branch pipeline 1344 is located at the side of material apparatus for placing 133, the steam (vapor) outlet of the second steam branch pipeline 1345
Positioned at the other side of material apparatus for placing 133；The number of first steam branch pipeline 1344 and the second steam branch pipeline 1345 with support
The number of sheath 1334 is adapted.Steam is delivered to main steam header road 1342 by steam supply boiler 150, is then contained by material
The the first steam branch pipeline 1344 and the second steam branch pipeline 1345 for putting 133 both sides of device carry out moisturizing to material, easy to operate
And the uniformity of steam content is high.
Further, oil heating pipeline 132 goes out including the first oil heating pipeline 1321, the first feeding pipe 1322, first
Heat pipeline, the second feeding pipe and the second discharging pipeline (not shown), the first oil heating pipeline 1321 in expects pipe road 1323, second
Positioned at the first steam branch pipeline 1344 far from 1345 side of the second steam branch pipeline, the second heating pipeline is located at the second steam and is in charge of
Side of the road 1345 far from the first steam branch pipeline 1344.Entire oil heating pipeline 132 is located at the edge of fog room 130, heating
Effect is more preferable, evenly.
Specifically, the feed inlet of the first feeding pipe 1322 is connected to the discharge port of oily heat transfer boiler 140, the first feed pipe
The outlet of the inlet communication of the discharge port on road 1322 and the first oil heating pipeline 1321, the first oil heating pipeline 1321 goes out with first
The outlet of the inlet communication on expects pipe road 1323, the first discharging pipeline 1323 is connected to the feed inlet of oily heat transfer boiler 140.
Equally, the feed inlet of the second feeding pipe is connected to the discharge port of oily heat transfer boiler 140, and the second feeding pipe goes out
The inlet communication of material mouth and the second heating pipeline, the inlet communication of the outlet of the second heating pipeline and the second discharging pipeline, second
The outlet of discharging pipeline is connected to the feed inlet of oily heat transfer boiler 140.In order to which complicated pipeline indicates more in schematic diagram
Clear, the oil heating pipeline 132 of part is not expressly shown, and the position of such as the second feeding pipe please refers to the first feeding pipe
1322。
Preferably, it is coiled pipe that the first oil heating pipeline 1321 and second, which heats pipeline,.It is heated by coiled pipe,
So that the uniformity higher of heating process.
The feature and performance of the present invention are described in further detail with reference to embodiments.
By the way that multiple maintenance plates are arranged from top to bottom in fog room in maintenance processes, multiple conservation layers, steam are formed
Pipeline is provided with multiple steam (vapor) outlets, and each steam (vapor) outlet corresponds to a conservation layer.It conserves on indoor each maintenance plate
Multiple spacing boards are provided with, the distance of two neighboring spacing board and the thickness of partition plate are adapted.The length and width of fog room
The height of respectively 3m, 1.3m, each conservation layer are 1m, and the number of conservation layer is 5 layers, and the height of spacing board is 4cm, adjacent
The distance of two spacing boards is 0.065m.The length and width and thickness of partition plate be respectively 2.5m, 0.7 meter, 0.06 meter.
It is that maintenance processes are carried out in above-mentioned fog room in following embodiment.
Embodiment 1
The present embodiment provides a kind of partition plate steam protecting methods comprising following steps：
Every 5 pieces of partition plates are bundled into a bundle, and every corresponding conservation layer of 2 bundle is stacked in fog room, in maintenance processes
It is middle that temperature control is carried out using the indoor oil heating pipeline of maintenance, and it is passed through steam, steam by conserving indoor steam pipework
Temperature is 110 DEG C, pressure 8kg/cm2.Temperature control in maintenance processes includes a temperature rise period, secondary temperature elevation rank
Section, three times temperature rise period and temperature-fall period.
Wherein, relative humidity about 90% is kept in the temperature rise period in a temperature rise period, secondary temperature elevation stage and three times, and
It carries out in confined conditions；It is that will conserve indoor temperature to be warming up to 23 DEG C, and keep the temperature 2h in a temperature rise period；Secondary
It is that will conserve indoor temperature to be warming up to 45 DEG C with the rate of 3 DEG C/min, and keep the temperature 3h in temperature rise period, in the temperature rise period three times
In be that will conserve indoor temperature to be warming up to 70 DEG C with the rate of 3 DEG C/min, and keep the temperature 4h；It is off and is passed through in temperature-fall period
Steam carried out after being tentatively cooled to 25 DEG C with the rate of temperature fall of 50 DEG C/h, opens the hermatic door of fog room, be then cooled to
2h is stood after environment temperature again.
Embodiment 2
The present embodiment provides a kind of partition plate steam protecting methods comprising following steps：
Every 7 pieces of partition plates are bundled into a bundle, and every corresponding conservation layer of 3 bundle is stacked in fog room, in maintenance processes
It is middle that temperature control is carried out using the indoor oil heating pipeline of maintenance, and it is passed through steam, steam by conserving indoor steam pipework
Temperature is 130 DEG C, pressure 10kg/cm2.Temperature control in maintenance processes includes a temperature rise period, secondary temperature elevation rank
Section, three times temperature rise period and temperature-fall period.
Wherein, relative humidity about 100% is kept in the temperature rise period in a temperature rise period, secondary temperature elevation stage and three times,
And it carries out in confined conditions；It is that will conserve indoor temperature to be warming up to 27 DEG C, and keep the temperature 3h in a temperature rise period；Two
It is that will conserve indoor temperature to be warming up to 45 DEG C with the rate of 5 DEG C/min, and keep the temperature 5h in the secondary temperature rise period, in rank of heating up three times
It is that will conserve indoor temperature to be warming up to 80 DEG C with the rate of 5 DEG C/min, and keep the temperature 6h in section；It is off in temperature-fall period logical
Enter steam, carried out after being tentatively cooled to 35 DEG C with the rate of temperature fall of 60 DEG C/h, open the hermatic door of fog room, then cool down
3h is stood again after to environment temperature.
Embodiment 3
The present embodiment provides a kind of partition plate steam protecting methods comprising following steps：
Every 6 pieces of partition plates are bundled into a bundle, and every corresponding conservation layer of 3 bundle is stacked in fog room, in maintenance processes
It is middle that temperature control is carried out using the indoor oil heating pipeline of maintenance, and it is passed through steam, steam by conserving indoor steam pipework
Temperature is 120 DEG C, pressure 9kg/cm2.Temperature control in maintenance processes includes a temperature rise period, secondary temperature elevation rank
Section, three times temperature rise period and temperature-fall period.
Wherein, relative humidity about 95% is kept in the temperature rise period in a temperature rise period, secondary temperature elevation stage and three times, and
It carries out in confined conditions；It is that will conserve indoor temperature to be warming up to 25 DEG C, and keep the temperature 3h in a temperature rise period；Secondary
It is that will conserve indoor temperature to be warming up to 50 DEG C with the rate of 4 DEG C/min, and keep the temperature 4h in temperature rise period, in the temperature rise period three times
In be that will conserve indoor temperature to be warming up to 75 DEG C with the rate of 4 DEG C/min, and keep the temperature 5h；It is off and is passed through in temperature-fall period
Steam carried out after being tentatively cooled to 30 DEG C with the rate of temperature fall of 55 DEG C/h, opens the hermatic door of fog room, be then cooled to
3h is stood after environment temperature again.
It should be pointed out that above is the preferred embodiment of the present invention, in other embodiments for the size of fog room
Etc. parameters can change as needed, herein not listing one by one.
Comparative example 1
It is roughly the same with embodiment 3, the difference is that, be not provided with oil heating pipeline, but use traditional steam into
The mode of row heating, reaches subject to temperature control, humidity substantially controls in the range of requiring.
Comparative example 2
It is roughly the same with embodiment 3, the difference is that, without heating up three times, but it is primary with the rate of 4 DEG C/min
75 DEG C are warming up to, then keeps the temperature 12h.
Comparative example 3
It is roughly the same with embodiment 3, the difference is that, the rate of temperature fall in preliminary temperature-fall period is 10 DEG C/h.
Test example 1
The partition plate conserved in embodiment 1-3 and comparative example 1-3 is tested for the property, the results are shown in Table 1.Test method：
Compression strength and coefficient of softing are measured using the operation and standard of JG/T169-2005 " light lath for building partition wall ".And
Whether the moisture that partition plate component surface is measured using conventional method reaches specified requirement.
1 partition plate the performance test results of table
As shown in Table 1, the compression strength of the finally obtained partition plate of partition plate steam protecting method provided by the invention and
Coefficient of softing is preferably in range, and compression strength is preferable, hence it is evident that it is better than comparative example 1 and comparative example 2, it is big with comparative example 3
It causes identical.Can will, using, temperature and wet more accurate for the control of temperature by the way of oil heating in maintenance process of the invention
The control of degree is more flexible, final so that the compression strength of product is preferable.Equally, the maintenance process in the present invention will not occur
Cup shake phenomenon, wherein being important operation link using the process of oil heating pipeline and multistage heating.
In addition, by embodiment 3 and comparative example 3 it is found that the steam protecting method provided in the present invention can be dropped faster
Cool down under warm rate, hence it is evident that shorten curing cycle.
Finally, the present invention in provide partition plate steam protecting method maintenance after the completion of by one-time detection can make every
Whether the moisture on wall plate member surface reaches specified requirement, and knot can be conserved by avoiding to be repeatedly measured after reaching requirement
Beam saves manpower and materials.
In conclusion a kind of partition plate steam protecting method provided by the invention：It is pricked by partition plate that will be to be conserved
Bundle is placed in fog room, is controlled into trip temperature by the oily transfer pipeline of heating in maintenance processes, is passed through steam pipework
Be passed through steam and carry out humid control, can not only precise control of temperature and humidity, while the control of temperature does not influence the tune of humidity
Control, therefore the flexibility ratio operated is high.Temperature control in maintenance processes is divided into heat up three times, and is dropped naturally again after tentatively cooling down
Temperature, wherein the stringent control of the soaking time in each stage, obtains good maintenance effect, ensure piece table after final Temperature fall
The water content in face reaches specified requirement, avoids that detection is repeated, time saving and energy saving.
The present invention also provides a kind of steam protecting methods of concrete product comprising above-mentioned partition plate steam curing
Method can be obviously improved the flexibility of temperature and humidity control, and temperature control accuracy is high.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of partition plate steam protecting method, which is characterized in that include the following steps：
It will be stacked in fog room after the partition plate conserved lashes, using the indoor oil heating of the maintenance in maintenance processes
Pipeline is controlled into trip temperature, and is passed through steam by the indoor steam pipework of maintenance；
Temperature control in maintenance processes includes a temperature rise period, secondary temperature elevation stage, three times temperature rise period and cooling rank
Section；
Relative humidity 90%- is kept in a temperature rise period, the secondary temperature elevation stage and the temperature rise period three times
100%, and carry out in confined conditions；Wherein, it is by the indoor temperature heating of the maintenance in the temperature rise period
To 23-27 DEG C, and keep the temperature 2-3h；It is that the indoor temperature of maintenance is warming up to 45-55 DEG C in the secondary temperature elevation stage,
And 3-5h is kept the temperature, it is the indoor temperature of maintenance to be warming up to 70-80 DEG C, and keep the temperature 4- in the temperature rise period three times
6h；
It is off in the temperature-fall period and is passed through steam, carry out the hermatic door for opening the fog room after tentatively cooling down, then
2-3h is stood again after being cooled to environment temperature.
2. partition plate steam protecting method according to claim 1, which is characterized in that in the fog room by from it is upper by
The lower multiple maintenance plates of setting, form multiple conservation layers, and the steam pipework is provided with multiple steam (vapor) outlets, and each steam
Outlet corresponds to a conservation layer.
3. partition plate steam protecting method according to claim 2, which is characterized in that it is by every 5- that partition plate, which lashes process,
7 pieces of partition plates are bundled into a bundle, and the corresponding conservation layer of bundle per 2-3.
4. the partition plate steam protecting method according to Claims 2 or 3, which is characterized in that the maintenance is indoor every
Multiple spacing boards are provided on a maintenance plate, the distance of two neighboring spacing board and the thickness of the partition plate are adapted.
5. partition plate steam protecting method according to claim 4, which is characterized in that the length and width of the fog room
The height of respectively 18-22m, 8-12m, each conservation layer are 3m, and the height of the spacing board is 3-5cm.
6. partition plate steam protecting method according to claim 1, which is characterized in that the steam temperature in the steam pipework
Degree is 110-130 DEG C, pressure 8-10kg/cm2。
7. partition plate steam protecting method according to claim 1, which is characterized in that secondary temperature elevation stage and described
The heating rate during the temperature rise period is 3-5 DEG C/min three times.
8. partition plate steam protecting method according to claim 1, which is characterized in that in the preliminary drop of the temperature-fall period
Warm process is that the indoor temperature of maintenance is down to 25-35 DEG C.
9. partition plate steam protecting method according to claim 8, which is characterized in that in the temperature-fall period, cooling
Rate is 50-60 DEG C/h.
10. a kind of steam protecting method of concrete product, which is characterized in that described in any one of claim 1-9
Partition plate steam protecting method.
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| CN109469213A (en) * | 2018-11-21 | 2019-03-15 | 云南昆船设计研究院有限公司 | A kind of lightweight wall plate and its production technology |
| CN113084985A (en) * | 2021-04-09 | 2021-07-09 | 中铁六局集团太原铁路建设有限公司 | Full-automatic steam curing equipment and method for concrete prefabricated part |
| CN114736036A (en) * | 2022-03-01 | 2022-07-12 | 广东中路防护工程有限公司 | Large-volume ultra-high-performance concrete thermal curing system and thermal curing process |
| CN117584261A (en) * | 2024-01-08 | 2024-02-23 | 浙江荣圣新材料科技有限公司 | Flat steam curing method for fireproof door core sound insulation plate |
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| CN109469213A (en) * | 2018-11-21 | 2019-03-15 | 云南昆船设计研究院有限公司 | A kind of lightweight wall plate and its production technology |
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| CN114736036A (en) * | 2022-03-01 | 2022-07-12 | 广东中路防护工程有限公司 | Large-volume ultra-high-performance concrete thermal curing system and thermal curing process |
| CN117584261A (en) * | 2024-01-08 | 2024-02-23 | 浙江荣圣新材料科技有限公司 | Flat steam curing method for fireproof door core sound insulation plate |
| CN117584261B (en) * | 2024-01-08 | 2024-08-13 | 浙江荣圣新材料科技有限公司 | Flat steam curing method for fireproof door core sound insulation plate |
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| CN108407063B (en) | 2019-11-29 |
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