CN105439438B - Rock wool board microwave solidification method and microwave curing apparatus - Google Patents
Rock wool board microwave solidification method and microwave curing apparatus Download PDFInfo
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- CN105439438B CN105439438B CN201410437142.4A CN201410437142A CN105439438B CN 105439438 B CN105439438 B CN 105439438B CN 201410437142 A CN201410437142 A CN 201410437142A CN 105439438 B CN105439438 B CN 105439438B
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Abstract
A kind of rock wool board microwave solidification method, which comprises rock wool board to be solidified is put on the platform in the consolidation zone of microwave curing apparatus, closes the door of the microwave curing apparatus；The microwave generator for starting the microwave curing apparatus carries out a microwave irradiation to the rock wool board；The period of one setting of interval；It is again started up the microwave generator, secondary microwave irradiation is carried out to the rock wool board；Stop secondary microwave irradiation；The rock wool board is taken out, solidification is completed.The curing method time of the application is short, low energy consumption, clean energy, cure profile are uniform, and can significantly improve the mechanical property of product.
Description
Technical field
This application involves the production technology of rock wool board, in particular to the curing method and implementation microwave curing of a kind of rock wool board
The microwave curing apparatus of method.
Background technique
Domestic existing rock wool board production, if rock wool board production is essentially all to carry out hot wind to rock wool board after molding to consolidate
Change, the production run temperature general control of curing oven is at 200~230 DEG C.With the development of society, people propose production efficiency
The requirement of high, environmental protection etc. is higher and higher.And there are Railway Projects for rock wool board hot wind solidification at present: first, curing oven
It when starting or stoping, is required to carry out according to certain heating or cooling process, the longer time that needs to compare is
It can be carried out production；Second, hot wind, there is being unevenly distributed, will affect the various performances of rock wool board in curing oven；
Third, the heat transfer modes under hot wind curing mode are from outside to inside, to cause energy waste with a large amount of heat loss；4th,
The energy source of hot wind is provided by fire coal, can be polluted to atmosphere when coal combustion, is the unclean energy.
Accordingly, there exist the demands to improved rock wool board curing method.
Summary of the invention
The first purpose of the application is to provide a kind of rock wool board microwave solidification method.
Rock wool board microwave solidification method provided herein includes:
Rock wool board to be solidified is put on the platform in the consolidation zone of microwave curing apparatus, the microwave curing is closed
The door of device；
The microwave generator for starting the microwave curing apparatus carries out a microwave irradiation to the rock wool board；
Stop a microwave irradiation；
The rock wool board is taken out, solidification is completed.
In some embodiments, after microwave irradiation of the stopping, before taking out the rock wool board further include:
The period of one setting of interval；
It is again started up the microwave generator, secondary microwave irradiation is carried out to the rock wool board；
Stop secondary microwave irradiation；
Preferably, the period is 2~5 minutes.
Preferably, the adhesive in the rock wool board is resin adhesive.
In some embodiments, within the period at interval and/or after stopping secondary microwave irradiation, to described solid
Change region and carry out air circulation, the air circulation is by being arranged in the air circulation duct outside the microwave curing apparatus Lai real
It is existing.
In some embodiments, in the air circulation, external hot wind is imported into the consolidation zone, to the rock
Cotton plate carries out hot wind solidification.
In some embodiments, the microwave curing apparatus further includes transformer region, the external hot wind from
The transformer region of the microwave curing apparatus.
In some embodiments, after the air circulation, before carrying out secondary microwave irradiation and/or stop secondary
After microwave irradiation, before taking out the rock wool board, the consolidation zone of the microwave curing apparatus is exhausted.
In some embodiments, the power of a microwave irradiation is 1~10kw, and irradiation time is 2~5 minutes.
In some embodiments, the power of a microwave irradiation is 2~10kw, and irradiation time is 2~5 minutes；It is secondary
The power of microwave irradiation is 1~9kw, and irradiation time is 1~4 minute, and less than one time microwave of power of secondary microwave irradiation shines
The time of the power penetrated, secondary microwave irradiation is shorter than the time of a microwave irradiation.
The another object of the application is to provide a kind of for implementing the microwave curing apparatus of microwave solidification method, the microwave
Solidification equipment includes:
Microwave generation area, is provided with microwave generator；
Microwave curing region；
Air circulation system comprising the air circulation duct outside the microwave curing apparatus is set and setting exists
Air intake vent and air outlet on the cavity in the microwave curing region；With
Transformer region, is arranged inside the transformer gas circulatory system, and the transformer gas circulatory system includes becoming
Depressor, transformer air circulation duct and the air intake vent and air outlet being arranged on the cavity of transformer region.
In some embodiments, the air circulation system further includes circulating fan, is arranged in the air circulation
On pipeline, it is preferable that one end of the air outlet close to the air circulation system of the air circulation duct is set.
In some embodiments, the transformer gas circulatory system further includes circulating fan, is arranged in the change
Depressor air circulating umbilical road, it is preferable that the close transformer region of the transformer air circulation duct is set
One end of air intake vent.
Detailed description of the invention
Fig. 1 is the flow chart of one curing method of the embodiment of the present application.
Fig. 2 is the flow chart of two curing method of the embodiment of the present application.
Fig. 3 is the flow chart of three curing method of the embodiment of the present application.
Fig. 4 is the flow chart of five curing method of the embodiment of the present application.
Fig. 5 is the schematic diagram of improved microwave curing apparatus used in three curing method of the embodiment of the present application.
Specific embodiment
Presently filed embodiment is described below by embodiment, it will be appreciated by the person skilled in the art that these
Specific embodiment only indicates to achieve the purpose that the application and the implementation technical solution that selects, is not to technical solution
Limitation.According to teachings of the present application, be to the improvement of technical scheme in conjunction with the prior art it is obvious, belong to the application
The range of protection.
Embodiment one
The curing method of this embodiment is carried out by conventional microwave curing apparatus.This microwave curing apparatus is usually divided into
Microwave generation area and microwave curing region.Microwave generator is provided in microwave generation area, microwave generator can be
Microwave commonly used in the art generates equipment.The solidification of rock wool board is carried out in microwave curing region and is equipped with for placing and transmitting
The platform of rock wool board to be solidified, platform during microwave curing with rock wool board to be solidified by that will not react and not by micro-
The material that wave irradiation influences is made.In order to guarantee the effect of microwave irradiation, usually microwave generation area is arranged in microwave curing
The top in region, but this is not strictly to limit.
As shown in Figure 1, the curing method of the present embodiment includes:
Step 110, rock wool board to be solidified is put on the platform in the consolidation zone of microwave curing apparatus, described in closing
The door of microwave curing apparatus；
Step 120, the microwave generator for starting the microwave curing apparatus carries out a microwave to the rock wool board and shines
It penetrates；
Step 130, stop a microwave irradiation.
In one example, rock wool board specification to be solidified is 1200mm*600mm, with a thickness of 80mm, is used to rock wool board
10kw power illumination 5 minutes.When the parameters difference such as the specification of rock wool board and thickness, the power of irradiation and time can change,
The irradiation power of 1~10KW, 2~5 minutes irradiation times can such as be used.
Table 1 is the performance pair of the product according to prepared by the microwave solidification method of embodiment one and existing hot wind curing method
Compare result.
Table 1
| Product | Tensile strength/KPa | Compressive strength/KPa (10% deformation) |
| Microwave solidification method product | 7.6 | 42 |
| Hot wind curing method product | 8.9 | 46 |
Microwave irradiation makes the resin adhesive in rock wool board be rapidly heated and be cured.Although above-mentioned microwave curing product
Compression strength and compressive strength be slightly below hot wind cured article, but microwave curing has a lot of other advantages, if microwave is clear
The clean energy, not can cause environmental pollution；The starting and closing of microwave curing apparatus have instantaneity, will not influence production；Rock
There is no solidify non-uniform problem in microwave curing apparatus for cotton plate；The heat transfer type of microwave curing mode be from inside to outside,
And have selectivity heating, will not a large amount of waste of energy, reduce energy consumption；The mechanical property that product can be improved, through we
The cured rock wool board of method, tensile strength is available to be obviously improved；High production efficiency shortens curing time, etc..
Embodiment two
Embodiment two is solidified using the microwave irradiation twice at interval, is also filled by the microwave curing being the same as example 1
It sets to implement.
As shown in Fig. 2, the curing method of the present embodiment includes:
Step 210, rock wool board to be solidified is put on the platform in the consolidation zone of microwave curing apparatus, described in closing
The door of microwave curing apparatus；
Step 220, the microwave generator for starting the microwave curing apparatus carries out a microwave to the rock wool board and shines
It penetrates；
Step 230, the period of one setting of interval；
Step 240, it is again started up the microwave generator, secondary microwave irradiation is carried out to the rock wool board；
Step 250, stop secondary microwave irradiation.
In one example, rock wool board specification to be solidified is 1200mm*600mm, with a thickness of 80mm, is carried out to rock wool board
The power of microwave irradiation is 7kw, and irradiation time is 3 minutes, and the power of secondary microwave irradiation is 5kw, and irradiation time is 2 points
Clock.When the parameters difference such as the specification of rock wool board and thickness, the power of irradiation and time can change, such as a microwave irradiation
Power is 2~10kw, and irradiation time is 2~5 minutes；The power of secondary microwave irradiation is 1~9kw, and irradiation time is 1~4 point
Clock, and the power of secondary microwave irradiation, less than the power of a microwave irradiation, the time of secondary microwave irradiation is shorter than a microwave
The time of irradiation；Interval time section is set as 5 minutes.
Secondary microwave irradiation be to continue with supplement irradiation, further ensure that resin adhesive completely and equably solidify to
Better solidification effect is obtained, and burning can be prevented.
Table 2 is the performance pair of the product according to prepared by the microwave solidification method of embodiment two and existing hot wind curing method
Compare result.
Table 2
Embodiment three
The curing method of the present embodiment is carried out by improved microwave curing apparatus, this improved microwave curing apparatus shows
It is intended to as shown in Figure 5.
Air circulation system is provided on the microwave curing apparatus of the present embodiment, air circulation system may include that setting exists
Air circulation duct outside microwave curing apparatus and the air intake vent and air outlet being arranged on the cavity in microwave curing region, in
It is the air circulation duct that the inside in microwave curing region is connected to the air circulation duct formation outside microwave curing apparatus.Separately
Outside, air circulation system can also include the circulating fan being arranged on air circulating umbilical road, such as can be set close to outlet air
One end of mouth, the air that air outlet is discharged in circulating fan is again introduced into air circulation duct and is recycled, with further
Promote air circulation.Meanwhile transformer region, but the setting position of transformer region are provided in the lower section in microwave curing region
It sets without being limited thereto, can also be provided above microwave generation area.The transformer gas circulatory system, institute are provided in transformer region
The transformer gas circulatory system is stated to include transformer, transformer air circulation duct and be arranged on the cavity of transformer region
Air intake vent and air outlet.Transformer region is not connected to microwave curing region, damp and hot useless to prevent from generating in solidification process
Gas enters transformer region and damages to transformer.Heated dry air in transformer cycles through transformer air circulation duct
It carries out.The transformer gas circulatory system can also include the circulating fan being arranged on transformer air circulating umbilical road, such as can
To be positioned close to one end of air intake vent, the air in environment is blasted into transformer region；Transformer air circulation duct connects
The one end for picking out air port is divided into two: one and the air circulation duct of microwave curing apparatus is converged, and another for being vented.This
Two bye-passes are respectively suitable for different situations: when starting microwave is fixedly mounted with the air circulation system set, going out from transformer region
The air selection come imports the air circulation duct of microwave curing apparatus, can so bring the heat of transformer into microwave curing
Region carries out hot wind solidification；When the temperature of the air circulation system and transformer of closing microwave curing apparatus is higher, due to still
Air circulation need to be carried out to cool down transformer, but the air can not import the air circulation duct of microwave curing apparatus, because
Air can be expelled directly out by this.
As shown in figure 3, the curing method of the present embodiment includes:
Step 310, rock wool board to be solidified is put on the platform in the consolidation zone of microwave curing apparatus, described in closing
The door of microwave curing apparatus；
Step 320, the microwave generator for starting the microwave curing apparatus carries out a microwave to the rock wool board and shines
It penetrates；
Step 330, microwave generator is closed, starts the air circulation system of microwave curing apparatus, while will be from transformer
The hot-air that region comes out introduces air circulation duct, carries out hot wind solidification；
Step 340, air circulation system is closed, microwave generator is again started up, secondary microwave irradiation is carried out to rock wool board；
Step 350, microwave generator is closed, starts the air circulation system of microwave curing apparatus, while will be from transformer
The hot-air that region comes out introduces air circulation duct, carries out hot wind solidification；
Step 360, air circulation system is closed.
In one example, rock wool board specification to be solidified is 1200mm*600mm, with a thickness of 80mm, is carried out to rock wool board
The power of microwave irradiation is 4kw, and irradiation time is 2 minutes, and the power of secondary microwave irradiation is 2kw, and irradiation time is 2 points
Clock, the time of air circulation is 1 minute twice.
The hot-air of transformer region is introduced to the air circulation duct of microwave curing apparatus, auxiliary carries out hot wind solidification,
Can auxiliary maintain the environment temperature of rock wool board, avoid during stopping microwave irradiation rock wool board temperature from declining too fast, influence to set
The solidification of rouge adhesive, and the thermal energy of equipment itself generation is utilized, there is energy-saving effect.In addition, due in microwave interval
In the process, hot-air circulation can maintain rock wool board bulk temperature not and be very low, therefore the power of secondary microwave irradiation and time
It can suitably reduce, reduce energy consumption.
Table 3 is the performance pair of the product according to prepared by the microwave solidification method of embodiment three and existing hot wind curing method
Compare result.
| 3 product of table | Tensile strength/KPa | Compressive strength/KPa (10% deformation) |
| Microwave solidification method product | 14.5 | 54 |
| Hot wind curing method product | 8.9 | 46 |
Example IV
In embodiment three in addition to this cured hot-air of hot wind can be from coming in other from transformer region
Source, or even transformer region or the hot-air in other sources are not introduced, and the air circulation in microwave curing region is only carried out, it utilizes
The waste heat of microwave curing carries out hot wind solidification and also may be used.
In one example, rock wool board specification to be solidified is 1200mm*600mm, with a thickness of 80mm, is carried out to rock wool board
The power of microwave irradiation is 5kw, and irradiation time is 2 minutes, and the power of secondary microwave irradiation is 3kw, and irradiation time is 2 points
Clock, the time of air circulation is 1 minute twice.
Table 4 is the performance pair of the product according to prepared by the microwave solidification method of example IV and existing hot wind curing method
Compare result.
Table 4
| Product | Tensile strength/KPa | Compressive strength/KPa (10% deformation) |
| Microwave solidification method product | 14.2 | 53 |
| Hot wind curing method product | 8.9 | 46 |
Embodiment five
Due to that in the curing process, can generate exhaust gas, such as phenol, formaldehyde volatilization exhaust gas in microwave curing apparatus, this is useless
Gas has certain mild humidity, has negative influence to environment, and may have adverse effect to microwave curing process, because
This is further improved microwave curing apparatus used by embodiment three, and exhaust system is provided on the cavity in microwave curing region
System, the exhaust system is an exhaust pipe in one example.
As shown in figure 4, the curing method of the present embodiment includes:
Step 410, rock wool board to be solidified is put on the platform in the microwave curing region of microwave curing apparatus, is closed
The door of the microwave curing apparatus；
Step 420, the microwave generator for starting the microwave curing apparatus carries out a microwave to the rock wool board and shines
It penetrates；
Step 430, microwave generator is closed, starts the air circulation system of microwave curing apparatus, while will be from transformer
The hot-air that region comes out introduces air circulation duct, carries out hot wind solidification；
Step 440, air circulation system is closed, the exhaust system of microwave curing apparatus is started；
Step 450, exhaust system is closed, microwave generator is again started up, secondary microwave irradiation is carried out to rock wool board；
Step 460, microwave generator is closed, starts the air circulation system of microwave curing apparatus, while will be from transformer
The hot-air that region comes out introduces air circulation duct, carries out hot wind solidification；
Step 470, air circulation system is closed, the exhaust system of microwave curing apparatus is started；
Step 480, exhaust system is closed.
In one example, rock wool board specification to be solidified is 1200mm*600mm, with a thickness of 80mm, is carried out to rock wool board
The power of microwave irradiation is 4kw, and irradiation time is 2 minutes, and the power of secondary microwave irradiation is 2kw, and irradiation time is 2 points
Clock, the time of air circulation is 1 minute twice.
Microwave curing region can be discharged in the damp and hot exhaust gas generated during microwave curing by exhaust process, avoid it to ring
Cause negative influence in border.And it preferably, is all exhausted after each air circulation, so as in time by microwave curing
The damp and hot exhaust gas in region is discharged, and avoids causing environmental hazard due to microwave curing apparatus poor sealing.In the present embodiment,
Exhaust process is by realizing exhaust gas by discharge after pipeline to cotton collecting chamber's exhaust gas washing spray system processing.
Table 5 is the performance pair of the product according to prepared by the microwave solidification method of example IV and existing hot wind curing method
Compare result.
Table 5
| Product | Tensile strength/KPa | Compressive strength/KPa (10% deformation) |
| Microwave solidification method product | 14.7 | 58 |
| Hot wind curing method product | 8.9 | 46 |
By the data of upper table it is found that microwave solidification method is conducive to improve the mechanical property of product, improve the anti-of rock wool board
Compressive Strength and compressive strength.
The foregoing is merely preferred embodiment of the present application, not to the application make in any form with substantial limit
System.Those skilled in the art, in the range of not departing from technical scheme, in using disclosed above technology
Hold and the equivalent variations of a little change, modification and differentiation made is the equivalent embodiment of the application；Meanwhile it is all according to this Shen
Change, modification and differentiation of any equivalent variations to the above embodiments of substantial technological please etc. are in the application by weighing
Benefit requires in the range of defining.
Claims (6)
1. a kind of rock wool board microwave solidification method, characterized by comprising:
Rock wool board to be solidified is put on the platform in the consolidation zone of microwave curing apparatus, the microwave curing apparatus is closed
Door；
The microwave generator for starting the microwave curing apparatus carries out a microwave irradiation to the rock wool board；
Microwave generator is closed, the air circulation system of microwave curing apparatus, while the heat that will be come out from transformer region are started
The air circulation duct of the air into air circulatory system carries out hot wind solidification；
Air circulation system is closed, microwave generator is again started up, secondary microwave irradiation is carried out to rock wool board；
Microwave generator is closed, the air circulation system of microwave curing apparatus, while the heat that will be come out from transformer region are started
Air into air circulation line carries out hot wind solidification；
Air circulation system is closed, the rock wool board is taken out, completes solidification；
Wherein, the adhesive in the rock wool board is resin adhesive；It is spaced between microwave irradiation and secondary microwave irradiation
Period be 2~5 minutes；The power of microwave irradiation is 2~10kw, and irradiation time is 2~5 minutes；Secondary microwave is shone
The power penetrated is 1~9kw, and irradiation time is 1~4 minute, and the power of secondary microwave irradiation is less than the function of a microwave irradiation
The time of rate, secondary microwave irradiation is shorter than the time of a microwave irradiation.
2. rock wool board microwave solidification method according to claim 1, it is characterised in that: after the air circulation, into
Before the irradiation of row secondary microwave and/or after stopping secondary microwave irradiation, before taking out the rock wool board, to the microwave curing
The consolidation zone of device is exhausted.
3. a kind of for implementing the microwave curing apparatus of microwave solidification method, characterized by comprising:
Microwave generation area, is provided with microwave generator；
Microwave curing region is provided with exhaust system on the cavity in the microwave curing region；
Air circulation system comprising the air circulation duct outside the microwave curing apparatus is set and is arranged described
Air intake vent and air outlet on the cavity in microwave curing region；With
Transformer region, is arranged inside the transformer gas circulatory system, the transformer gas circulatory system include transformer,
Transformer air circulation duct and the air intake vent and air outlet being arranged on the cavity of transformer region；Transformer air circulation
One end of piping connection air outlet is divided into two: one and the air circulation duct of microwave curing apparatus is converged, and another is used for
Exhaust.
4. microwave curing apparatus according to claim 3, it is characterised in that:
The air circulation system further includes circulating fan, is arranged on the air circulating umbilical road；
The transformer gas circulatory system further includes circulating fan, is arranged on transformer air circulating umbilical road.
5. microwave curing apparatus according to claim 4, it is characterised in that: the circulated air of the air circulation system
One end of the air outlet close to the air circulation system of the air circulation duct is arranged in machine.
6. microwave curing apparatus according to claim 4, it is characterised in that: the transformer gas circulatory system it is described
One end of the air intake vent close to the transformer region of the transformer air circulation duct is arranged in circulating fan.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410437142.4A CN105439438B (en) | 2014-08-29 | 2014-08-29 | Rock wool board microwave solidification method and microwave curing apparatus |
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| CN201410437142.4A CN105439438B (en) | 2014-08-29 | 2014-08-29 | Rock wool board microwave solidification method and microwave curing apparatus |
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| CN105439438B true CN105439438B (en) | 2019-02-22 |
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| CN111764050B (en) * | 2020-06-19 | 2021-08-10 | 北京卫星制造厂有限公司 | Insulation board production line |
| CN112142367B (en) * | 2020-06-19 | 2022-07-29 | 北京卫星制造厂有限公司 | Novel insulation board and preparation process thereof |
| CN114262238A (en) * | 2021-12-27 | 2022-04-01 | 万卓（江苏）新材料有限公司 | Preparation method of efficient soft porcelain flexible facing brick |
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| CN101695954A (en) * | 2009-09-14 | 2010-04-21 | 辽宁渤海装饰材料有限公司 | Method for manufacturing armored fireproofing thermal baffle for ship |
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