CN108827861A - Stone material weatherability detector and stone material weatherability detection method - Google Patents
Stone material weatherability detector and stone material weatherability detection method Download PDFInfo
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- CN108827861A CN108827861A CN201810357804.5A CN201810357804A CN108827861A CN 108827861 A CN108827861 A CN 108827861A CN 201810357804 A CN201810357804 A CN 201810357804A CN 108827861 A CN108827861 A CN 108827861A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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Abstract
The invention discloses stone material weatherability detectors, including：The inside of shell, shell is divided into solarization chamber and the chamber that drenches with rain by the dividing wall；It is equipped with heating device and ultraviolet lamp in solarization chamber, is equipped on spray equipment and the inner wall for the chamber that drenches with rain in the chamber that drenches with rain and is provided with the blower mouth being in communication with the outside, blower is equipped at blower mouth.Stone material weatherability detection method, including step：One piece of stone material test specimen is taken out as benchmark stone material test specimen, obtains benchmark water saturation bending strength；It takes out remaining stone material test specimen and is first placed in solarization chamber progress 8~12h of solarizing test, then be placed in the chamber that drenches with rain and carry out 8~12h of rain drop test, benchmark stone material test specimen and remaining stone material test specimen belong to same rough stone block；It executes step S30 to recycle 28~42 times, the test stone material test specimen after obtaining atmospheric exposure test；Obtain test water saturation bending strength.The present invention, which can be realized, is quickly converted the solarization state of stone material test specimen with the state of drenching with rain, and the energy consumption in detection process is reduced while improving detection efficiency.
Description
Technical field
The present invention relates to the cladding of the weatherability detection technique field of stone material more particularly to a kind of monsoon climate of medium latitudes region
The stone material weatherability detector and stone material weatherability detection method of facing.
Background technique
Cladding ornamental stone material has natural granite, natural marble, natural limestone, natural sandstone etc., generally adopts
Be fixed on the outer surface of building structure with the flexible connecting member of galvanized bolt and rotproofness, stone material inner surface and building structure it is outer
Spacing is generally the gap of 8~10cm between surface.Its advantage is that accelerating construction speed, and this procedure that is in the milk is saved, had
Effect reduces the self weight of building, has biggish improvement to the slabstone quality problems that fall off, stone material is not by the pollution of cement slurry, greatly
The aesthetic effect of building is improved greatly.Therefore, since in recent years, the quantity of China's stone curtain wall building is more and more.
But as the time becomes weathering and colour fading can occur long for the stone material of cladding facing, to influence the beauty of building
And security performance.Now by using corresponding maintenance measure to stone material, stone material can be made to be maintained for a long time.But in order to examine
The weatherability of stone material is surveyed, the prior art usually uses ultraviolet ageing device to test the weatherability of stone material.China is practical new
Type patent 201420211977.3, the temperature and humidity ultraviolet ageing device of entitled band spray disclose one kind in the patent document
Ultraviolet ageing device with spray equipment, ultraviolet ageing device both can carry out spray mould to the stone material test specimen being placed therein
Quasi- rainfall can also be shone using ultraviolet light simulating sun.Ultraviolet ageing device is improved using centrifugal blower and heater strip simultaneously
Interior air themperature, or realization cooling function is matched with evaporator using centrifugal blower, still, when needing to stone material test specimen
When environment is changed, energy consumption is larger and time-consuming relatively long, for example, if current ultraviolet ageing unit simulation solarization state, i.e., ultraviolet
Lamp, centrifugal blower and heater strip are run, and the temperature in ultraviolet ageing device is higher at this time, if desired is changed to drench with rain by solarization state
When state, needs first to cool down to temperature in device using evaporator, opening spray equipment simulated rainfall, converted in state
In the process, temperature interior in a large amount of consuming energy adjustment ultraviolet ageing devices.And test period can be extended, reduce detection effect
Rate.
Summary of the invention
The object of the present invention is to provide a kind of stone material weatherability detector and stone material weatherability detection methods, can be to stone material
Solarization state and the state of drenching with rain of test specimen are quickly converted, and the energy consumption in detection process is reduced while improving detection efficiency.
Technical solution provided by the invention is as follows：
A kind of stone material weatherability detector, including：Shell, the shell is interior to be equipped with dividing wall, the inside quilt of the shell
The dividing wall is divided into solarization chamber and the chamber that drenches with rain；Heating device and ultraviolet lamp are equipped in the solarization chamber, it is described
Interior be equipped on spray equipment and the inner wall of the chamber that drenches with rain of the chamber that drenches with rain is provided with the blower mouth being in communication with the outside, the blower mouth
Place is equipped with blower.
The present invention provides a kind of for detecting the detector of stone material weatherability, and enclosure interior is divided into two by dividing wall
A cavity, respectively the solarization chamber for simulating solarization state and the chamber that drenches with rain for simulating the state that drenches with rain, stone material is tried
Part is respectively placed in solarization chamber and carries out solarization with the chamber that drenches with rain and drench with rain, when needing to switch emulation mode, it is only necessary to by stone
Material test specimen changes chamber and places, and does not need consuming energy and the indoor temperature of chamber is adjusted, compared to the prior art in
Ultraviolet ageing device, detector of the invention is more energy saving, and can by by stone material test specimen convert chamber and reach
It is switched fast the purpose of emulation mode, shortens test period, improves detection efficiency.
Preferably, the ultraviolet lamp is several, and several ultraviolet lamps are evenly arranged on the top of the solarization chamber
On portion's inner wall.
Ultraviolet lamp is evenly arranged in the top inner wall of solarization chamber, ultraviolet lamp is enabled to equably to irradiate stone
Material surface of test piece guarantees the stabilization of ultraviolet source.
Preferably, the spray equipment is set in the top inner wall of the chamber that drenches with rain；If the spray equipment includes
Dry nozzle and spray tube, the nozzle is set on the spray tube and the nozzle is connected to the spray tube, several described
Nozzle is evenly distributed on the top of the chamber that drenches with rain.
Nozzle is evenly distributed on to the top for the chamber that drenches with rain, so as to uniformly be sprayed to the chamber that entirely drenches with rain,
So that drenching with rain of being subject to of stone material test specimen is more uniform.
Preferably, the stone material weatherability detector further includes：Electric slide rail device, the electric slide rail device include sliding
Rail moves reciprocatingly on the sliding rail with the sliding block for carrying stone material test specimen, the sliding block；The dividing wall is equipped with extremely
The position conversion mouth of few two connections solarization chamber and the chamber that drenches with rain, the sliding rail converts mouth through the position, described
Electric slide rail device and position conversion mouth correspond.
By the way that stone material test specimen to be placed on electric slide rail device, can be tried by electric slide rail device automatic conversion stone material
Part position is allowed to solarization chamber and switches between the chamber that drenches with rain, and reduces the trouble of the position of manual change's stone material test specimen, realizes
The automation of stone material test specimen evolution.
Preferably, the position conversion mouth is provided with the dividing wall at the housing bottom, the sliding rail setting
In the bottom of the shell；Along the extending direction perpendicular to the sliding rail, the length of the position conversion mouth and the sliding rail
Equal length.
Preferably, the door curtain for entering solarization chamber for blocking the steam for the chamber that drenches with rain is equipped at the position conversion mouth.
Due to that can be sprayed using nozzle in the chamber that drenches with rain, there can be a large amount of steam in the chamber that drenches with rain, so that rain
It is higher to drench the indoor humidity of chamber, and the humidity of solarization chamber is relatively low, in order to avoid the indoor steam of the chamber that drenches with rain passes through position
Conversion mouth enters in solarization chamber, and door curtain is arranged at position conversion mouth, shelters from steam, reduces steam and enters solarization chamber
It is interior, avoid the solarization effect for influencing solarization chamber.
Preferably, the stone material weatherability detector further includes：The spray equipment further includes for controlling in spray tube
The solenoid valve of fluid flow；Controller, the controller respectively with the heating device, electric slide rail device, solenoid valve and
Blower connection；The sliding block that the controller controls the electric slide rail device drives stone material test specimen in solarization chamber and the chamber that drenches with rain
Between switch.
Heating device, electric slide rail device, solenoid valve and blower are controlled respectively by the way that a controller is arranged,
The automation that can be realized entire stone material test specimen weatherability detection, reduces human cost.Controller controls day by heating device
The indoor temperature of chamber is shone, by controller by control electric slide rail device, enables stone material test specimen automatically in solarization chamber
It is moved in the chamber that drenches with rain, controller can control the spray flow of spray equipment, control by the aperture of control solenoid valve
Device can be controlled by the revolving speed of control blower and be passed through the indoor wind speed of the chamber that drenches with rain.
A kind of stone material weatherability detection method includes the following steps using stone material weatherability detector：S20：Take out one piece
For stone material test specimen as benchmark stone material test specimen, the water saturation bending strength for obtaining the benchmark stone material test specimen is curved as benchmark water saturation
Qu Qiangdu；S30：It takes out remaining stone material test specimen and is first placed in solarization chamber progress 8~12h of solarizing test, then be placed in the chamber that drenches with rain
Room carries out 8~12h of rain drop test, or is first placed in the chamber that drenches with rain and carries out 8~12h of rain drop test, then be placed in solarization chamber
8~12h of solarizing test is carried out, the benchmark stone material test specimen and the remaining stone material test specimen belong to same rough stone block；
S40：It executes step S30 to recycle 28~42 times, the test stone material test specimen after obtaining atmospheric exposure test；S50：Obtain the test stone
The water saturation bending strength of material test specimen is as test water saturation bending strength；S60：By the test water saturation bending strength divided by
The benchmark water saturation bending strength obtains the variation coefficient of water saturation bending strength.
It, will by carrying out stone material test specimen in solarization chamber respectively to carry out rain drop test in solarizing test and the chamber that drenches with rain
This is recycled as one, and is recycled 28~42 times, can be full by obtaining water as the accelerated test of a complete weatherability
Cladding ornamental stone is evaluated to the resistance to corrosion of natural environment with the variation coefficient of bending strength.Stone material in atmospheric exposure test
Test specimen is individually positioned in solarization chamber and the chamber that drenches with rain and is tested, in stone material test specimen converting analogue state, without expending
The extra energy changes the temperature of detector, it is only necessary to which the position for converting stone material test specimen shortens test period, improves inspection
Survey efficiency.
Preferably, in the step S30, the indoor ultraviolet lamp spoke irradiance of solarization chamber is 48W/m2~52W/m2, solarization
The surface temperature of the indoor stone material test specimen of chamber is maintained at 68 DEG C~72 DEG C, and the wind speed of the blower at the chamber that drenches with rain is 3m/s~5m/
S, the spray flow of the indoor spray equipment of the chamber that drenches with rain are 3L/ (m2Min)~4L/ (m2·min)。
By the restriction to ultraviolet lamp spoke irradiance, the surface temperature of stone material test specimen, wind speed and spray flow, so that this
The stone material weatherability detection method of invention is suitable for monsoon climate of medium latitudes region, such as：Beijing, Tianjin, Shijiazhuang, Shanghai, Lian Yun
The areas such as port, Shenyang, Dalian, Changchun, Taiyuan, Jinan, Qingdao, Zhengzhou, Luoyang, Kaifeng, Xi'an, are more in line with actual conditions,
So that the result that the weatherability of stone material test specimen detects is more accurate.
Preferably, the stone material weatherability detection method further includes：S10：N block is cut down on same rough stone block
Stone material test specimen, N >=3；In the step S50, the water saturation bending strength that stone material test specimen is tested described in the N-1 block of acquisition is taken
Average value is as the test water saturation bending strength.
By carrying out atmospheric exposure test at least two pieces of stone material test specimens simultaneously, can be tested in an entire weatherability detection
The water saturation bending strength for more testing stone material test specimen is obtained after, to be bent to the water saturation of these test stone material test specimens
Intensity is averaged, so that obtained test water saturation bending strength is more accurate, so that finally obtained water saturation is curved
The variation coefficient of Qu Qiangdu more closing to reality situation.
A kind of stone material weatherability detector provided by the invention and stone material weatherability detection method, can bring following beneficial
Effect：
By testing stone material test specimen in solarization chamber and the chamber that drenches with rain respectively, when needing converting analogue state
When, it is only necessary to stone material test specimen is converted into locating chamber, improves detection efficiency.In entire detection process, solarization chamber
Simulated environment and the simulated environment for the chamber that drenches with rain do not change, and save the energy consumption for heating up or cooling down in the prior art, and
The time for changing simulated environment is eliminated, weatherability detection time is shortened.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to stone material weatherability detector and
Above-mentioned characteristic, technical characteristic, advantage and its implementation of stone material weatherability detection method are further described.
Fig. 1 is the structural schematic diagram of stone material weatherability detector of the invention；
Fig. 2 is the structural schematic diagram at the sliding rail in Fig. 1.
Drawing reference numeral explanation：
1- shell, 1a- dividing wall, 1b- solarization chamber, 1c- drench with rain chamber, and mouth is converted in the position 1d-, 2- heater, and 3- is purple
Outer smooth lamp, 4- electric slide rail device, 5- spray equipment, 6- blower mouth, 7- stone material test specimen, 8- door curtain.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, their not generations
Its practical structures as product of table.
【Embodiment 1】
As shown in Figure 1, embodiment 1 discloses a kind of specific embodiment of stone material weatherability detector comprising four directions
The shell 1 of shape, shell 1 is interior to be equipped with partition wall 1a, and it is in the solarization of square that the inside of shell 1, which is divided into one by dividing wall 1a,
Chamber 1b and one is in the chamber 1c that drenches with rain of square, and solarization chamber 1b is for simulating solarization state, and the chamber 1c that drenches with rain is for simulating
Drench with rain state.
It is equipped in solarization chamber 1b for improving the heating device of temperature in solarization chamber 1b and carrying out purple to stone material test specimen 7
The ultraviolet lamp 3 of outer light irradiation.It drenches with rain and is equipped with the spray equipment 5 of simulated rainfall in chamber 1c, by spray equipment 5 by water spray
A blower mouth 6 being in communication with the outside is provided on 7 surface of stone material test specimen, the vertical inner wall for the chamber 1c that drenches with rain, at the blower mouth 6
Equipped with blower, which is used to for outdoor air being blown into the chamber 1c or air to drench with rain in chamber 1c discharge is outer that drenches with rain
Portion, so that drenching with rain forms the wind of certain speed in chamber 1c, the case where when state that drenches with rain for simulating dries.The present embodiment
In, heating device can be heater 2, specifically can be air heater.
More preferably, the ventilation opening for ventilation can also be opened up in the vertical inner wall of chamber 1c that drenches with rain, thus blower mouth 6 with
Ventilation opening enables to the interior formation cross-ventilation of chamber 1c that drenches with rain, and the air flow property to drench with rain in chamber 1c is more preferable, can be more preferable
Blowing situation in simulation natural environment.
Wherein, solarization chamber 1b with drench with rain chamber 1c inner wall on the stone material that is equipped with for picking and placing stone material test specimen 7 take
Mouth is put, testing staff is facilitated to put or take out stone material test specimen 7 into solarization chamber 1b and the chamber 1c that drenches with rain.
【Embodiment 2】
As shown in Figure 1, embodiment 2 is on the basis of embodiment 1, the ultraviolet lamp 3 of embodiment 2 is that 8 UV-340 are ultraviolet
The fluorescent tube of light lamp, and above-mentioned 8 ultraviolet lamps 3 are evenly arranged in the top inner wall of solarization chamber 1b, the fluorescent tube of ultraviolet lamp 3
Center spacing be 70mm, the fluorescent tube of ultraviolet lamp 3 with stone material test specimen 7 at a distance from be 50mm so that from the top of solarization chamber 1b
The ultraviolet light that portion is irradiated is more uniform, enables the surface for the stone material test specimen 7 tested in solarization chamber 1b equal
The even irradiation by ultraviolet light.
But, the radical of ultraviolet lamp 3 and model can be modified according to the actual situation, as long as ultraviolet lamp 3
Spoke irradiance meets the requirement of practical atmospheric exposure test, and details are not described herein again.
Spray equipment 5 is set in the top inner wall for the chamber 1c that drenches with rain.Spray equipment 5 includes multiple nozzles and spray tube,
Nozzle is set on spray tube and nozzle is connected to spray tube, and water flows through spray tube and enters at nozzle, then is sprayed by nozzle, multiple
Nozzle is evenly distributed on the top for the chamber 1c that drenches with rain, so that the water energy that entire spray equipment 5 sprays is enough more uniform, drench with rain state
The rainy situation for the state that more gets close to nature, so that the stone material test specimen 7 in the chamber 1c that drenches with rain is by more uniform spray.
【Embodiment 3】
As shown in Fig. 2, embodiment 3, on the basis of embodiment 2, embodiment 3 further includes electric slide rail device 4, this is electronic
Railroad 4 includes idler wheel driving motor, sliding rail and the sliding block for carrying stone material test specimen 7, and the sliding block is by idler wheel in sliding rail
On move reciprocatingly, wherein idler wheel is connect with idler wheel driving motor, and idler wheel driving motor is controlled for driving idler wheel to rotate
The advance of idler wheel band movable slider, retrogressing and movement speed.During actual tests, stone material test specimen 7 can be directly installed on
On sliding block, when needing to convert chamber, the rotation of motor driven idler wheel is driven by idler wheel, so that sliding block is transported along sliding rail
Dynamic, where conversion stone material test specimen 7 chamber.
As shown in Fig. 2, the position conversion mouth 1d there are two the connection solarization chamber 1b and chamber 1c that drenches with rain is set on dividing wall 1a,
Two position conversion mouth 1d are provided with dividing wall 1a at 1 bottom of shell, and sliding rail is through position conversion mouth 1d and is set to
The bottom of shell 1.Along the extending direction perpendicular to sliding rail, the length of mouth 1d and the equal length of sliding rail, i.e. Fig. 2 are converted in position
In sliding rail left and right ends resist position conversion mouth 1d left and right ends.Such way can prevent to drench with rain the bottom of chamber 1c
The water in portion is converted the gap between mouth 1d and sliding rail by position and is flowed into solarization chamber 1b, guarantees solarization chamber 1b not by rain
Drench the influence of chamber 1c.
And the door curtain 8 for entering solarization chamber 1b for blocking the steam in chamber 1c that drenches with rain is equipped at position conversion mouth 1d.
End face of the free end of the door curtain 8 close to sliding rail far from 1 bottom of shell, so that the effect that door curtain 8 blocks steam is more preferable.
In the present embodiment, electric slide rail device 4 has two sets, and electric slide rail device 4 is set with position conversion mouth 1d one-to-one correspondence
It sets.
In other embodiments, conversion mouth 1d in position can also be arranged 2 incessantly, be also possible to more, and such as 3,4
Etc., the quantity of electric slide rail device 4 and the quantity of position conversion mouth 1d are consistent, when the quantity of electric slide rail device 4 is got over
It is more, then the stone material test specimen more than 7 of atmospheric exposure test can be carried out simultaneously, and detection sample is more, then the weatherability inspection finally obtained
It is more accurate to survey result.
【Embodiment 4】
For embodiment 4 on the basis of embodiment 3, embodiment 4 further includes controller.Spray equipment further includes for controlling spray
The solenoid valve of fluid flow in shower pipe.
Controller is connect with heating device, electric slide rail device, solenoid valve and blower respectively.Controller controls electric sliding
The sliding block of rail device drives stone material test specimen to switch between solarization chamber and the chamber that drenches with rain.
Specifically, the idler wheel driving motor of controller and electric slide rail device connects, for controlling idler wheel driving motor
Rotating forward, reversion and revolving speed.
Controller controls the indoor temperature of solarization chamber by heating device, passes through control electric sliding rail dress by controller
It sets, stone material test specimen is shifted in solarization chamber and the chamber that drenches with rain automatically, controller passes through control solenoid valve
Aperture can control the spray flow of spray equipment, and controller can control that be passed through the chamber that drenches with rain indoor by the revolving speed of control blower
Wind speed.
【Embodiment 5】
Embodiment 5 discloses a kind of stone material weatherability detection method, and the stone material weatherability detector of Application Example 4 is real
Applying the stone material test specimen material detected in the stone material weatherability detection method of example 5 can be natural granite, natural marble, natural
Lime stone, natural sandstone etc., and it is suitable for detecting the stone material weatherability in monsoon climate of medium latitudes region, such as：Beijing, Tianjin, Shi Jia
The village, Shanghai, Lianyun Harbour, Shenyang, Dalian, Changchun, Taiyuan, Jinan, Qingdao, Zhengzhou, Luoyang, Kaifeng, Xi'an, the detection method packet
Include following steps：
S20：One piece of stone material test specimen is taken out as benchmark stone material test specimen, obtains the water saturation bending strength of benchmark stone material test specimen
As benchmark water saturation bending strength；
S30：It takes out remaining stone material test specimen and is first placed in solarization chamber progress 8~12h of solarizing test, then be placed in the chamber that drenches with rain
Room carries out 8~12h of rain drop test, or is first placed in the chamber that drenches with rain and carries out 8~12h of rain drop test, then be placed in solarization chamber
8~12h of solarizing test is carried out, benchmark stone material test specimen and remaining stone material test specimen belong to same rough stone block；
S40：It executes step S30 to recycle 28~42 times, the test stone material test specimen after obtaining atmospheric exposure test, cycle-index is got over
It is more, the long-term weather resistance of stone material can be more embodied, the bending resistance of stone material after the anti-bending strength and test of stone material before testing can be more embodied
The difference of performance improves the accuracy of test；
S50：The water saturation bending strength of test stone material test specimen is obtained as test water saturation bending strength；
S60：Test water saturation bending strength is obtained into the change of water saturation bending strength divided by benchmark water saturation bending strength
Change coefficient.
It more preferably, further include step S10：N block stone material test specimen, N >=3 are cut down on same rough stone block；Pass through
Stone material test specimen is cut down from same rough stone block, can be guaranteed that the stratification etc. of N block stone material test specimen is consistent substantially, be mentioned
The accuracy of high-weatherability testing result.Then above-mentioned steps S50 is specially：The water saturation of the N-1 block test stone material test specimen of acquisition
Bending strength is averaged as test water saturation bending strength.
Specifically, in order to enable atmospheric exposure test limits step more close to the natural situation in monsoon climate of medium latitudes region
In S30, the indoor ultraviolet lamp spoke irradiance of solarization chamber is 48W/m2~52W/m2, the surface of the indoor stone material test specimen of solarization chamber
Temperature is maintained at 68 DEG C~72 DEG C, and the wind speed of the blower at the chamber that drenches with rain is 3m/s~5m/s, the indoor spray equipment of the chamber that drenches with rain
Spray flow be 3L/ (m2Min)~4L/ (m2·min)。
Benchmark stone material test specimen is processed by regulation in GB/T 9966.2-2001 and is tested to obtain reference water in step S20
It is saturated bending strength, and tests stone material test specimen in step S50 and processes and test by regulation in GB/T 9966.2-2001
To test water saturation bending strength.If there is moisture on surface when stone material test specimen takes out, it is strong that surface moisture carries out water saturation bending again
The test of degree.
When practice stone material weatherability detector is tested, two pieces of stone material test specimens are respectively placed in two cunnings respectively
On block, position is then passed through by sliding block automatic traction stone material test specimen and converts the operation that mouth carries out replacement chamber, is entirely being detected
In the process, solarization chamber and the indoor emulation mode of chamber that drenches with rain are without changing, without expending the extra energy, it is only necessary to convert
The position of stone material test specimen, shortens test period, improves detection efficiency.
The size of stone material test specimen is 600mm × 600mm, 500 × 600mm or 400 × 600mm, when thickness presses Practical Project
The thickness that cladding ornamental stone uses.Test specimen must not have crackle, truncation and unfilled corner.
If desired detection has the stone material test specimen of stratification, can take the stone material test specimen each 3 of vertical stratification and parallel bedding respectively
Block carries out weatherability detection, since the water saturation bending strength of two kinds of stratifications is had any different, carrying out detection facilitates more
Comprehensively understand the weatherability of the stone material.Natural granite and natural marble without stratification, there is no need to distinguish vertical stratification and
Parallel bedding.
With the stone material weatherability detection method of the present embodiment 5,3 pieces of stone material examinations are cut down from same rough stone block
Part detects the stone material in multiple areas, the parameter and result such as following table of the corresponding control of stone material weatherability detection method
It is shown：
According to the variation coefficient of water saturation bending strength, it can be determined that the weatherability quality of stone material, water saturation bending strength
Variation coefficient closer to 1, then the weatherability of stone material test specimen is better, selects the quality of stone material used on stone curtain wall with this.
The accelerated corrosion to stone material test specimen, solarization chamber are completed by establishing simulation solarizing test and simulation rain drop test
It is separated from each other, stone material test specimen the completion movement in solarization chamber and the chamber that drenches with rain, stone material examination by sliding rail with the chamber that drenches with rain
Part first keeps certain time in solarization chamber, then keeps certain time to complete one cycle to the chamber that drenches with rain.
As N >=3, since this method can obtain simultaneously at least two test stone material test specimens after single atmospheric exposure test
Water saturation bending strength, and obtain by way of being averaged test water saturation bending strength, so, relative to existing skill
The variation coefficient of art, the water saturation bending strength finally obtained is more accurate, and stone material weather resistance measurement result is more bonded reality
Border situation.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of stone material weatherability detector, which is characterized in that including：
Shell, the shell is interior to be equipped with dividing wall, and the inside of the shell is divided into solarization chamber and is drenched with rain by the dividing wall
Chamber；
It is equipped with heating device and ultraviolet lamp in the solarization chamber, spray equipment is equipped in the chamber that drenches with rain and described drenches with rain
It is provided with the blower mouth being in communication with the outside on the inner wall of chamber, is equipped with blower at the blower mouth.
2. stone material weatherability detector according to claim 1, it is characterised in that：
The ultraviolet lamp is several, and several ultraviolet lamps are evenly arranged in the top inner wall of the solarization chamber.
3. stone material weatherability detector according to claim 1, it is characterised in that：
The spray equipment is set in the top inner wall of the chamber that drenches with rain；
The spray equipment includes several nozzles and spray tube, and the nozzle is set on the spray tube and the nozzle and institute
Spray tube connection is stated, several nozzles are evenly distributed on the top of the chamber that drenches with rain.
4. stone material weatherability detector according to claim 1, which is characterized in that further include：
Electric slide rail device, the electric slide rail device include sliding rail and the sliding block for carrying stone material test specimen, and the sliding block exists
It moves reciprocatingly on the sliding rail；
The dividing wall is equipped with position conversion mouth of at least two connection solarization chambers with the chamber that drenches with rain, and the sliding rail passes through
The position conversion mouth is worn, the electric slide rail device and position conversion mouth correspond.
5. stone material weatherability detector according to claim 4, it is characterised in that：
The position conversion mouth is provided with the dividing wall at the housing bottom, and the sliding rail is set to the shell
Bottom；
Along the extending direction perpendicular to the sliding rail, the length of the position conversion mouth and the equal length of the sliding rail.
6. stone material weatherability detector according to claim 5, it is characterised in that：
The door curtain for entering solarization chamber for blocking the steam for the chamber that drenches with rain is equipped at the position conversion mouth.
7. stone material weatherability detector according to claim 4, which is characterized in that further include：
The spray equipment further includes the solenoid valve for controlling fluid flow in spray tube；
Controller, the controller are connect with the heating device, electric slide rail device, solenoid valve and blower respectively；
The sliding block that the controller controls the electric slide rail device drives stone material test specimen between solarization chamber and the chamber that drenches with rain
Switching.
8. a kind of stone material weatherability detection method, using stone material weatherability detector described in claim 1,
It is characterised in that it includes following steps：
S20：One piece of stone material test specimen is taken out as benchmark stone material test specimen, obtains the water saturation bending strength of the benchmark stone material test specimen
As benchmark water saturation bending strength；
S30：Take out remaining stone material test specimen and be first placed in solarization chamber and carry out 8~12h of solarizing test, then be placed in drench with rain chamber into
Row 8~12h of rain drop test, or be first placed in the chamber that drenches with rain and carry out 8~12h of rain drop test, then be placed in the progress of solarization chamber
8~12h of solarizing test, the benchmark stone material test specimen and the remaining stone material test specimen belong to same rough stone block；
S40：It executes step S30 to recycle 28~42 times, the test stone material test specimen after obtaining atmospheric exposure test；
S50：The water saturation bending strength of the test stone material test specimen is obtained as test water saturation bending strength；
S60：The test water saturation bending strength is obtained into water saturation bending strength divided by the benchmark water saturation bending strength
Variation coefficient.
9. stone material weatherability detection method according to claim 8, it is characterised in that：
In the step S30, the indoor ultraviolet lamp spoke irradiance of solarization chamber is 48W/m2~52W/m2, the indoor stone of solarization chamber
The surface temperature of material test specimen is maintained at 68 DEG C~72 DEG C, and the wind speed of the blower at the chamber that drenches with rain is 3m/s~5m/s, and drench with rain chamber
The spray flow of interior spray equipment is 3L/ (m2Min)~4L/ (m2·min)。
10. stone material weatherability detection method according to claim 8, which is characterized in that further include：
S10：N block stone material test specimen, N >=3 are cut down on same rough stone block；
In the step S50, the water saturation bending strength that stone material test specimen is tested described in the N-1 block of acquisition is averaged as described
Test water saturation bending strength.
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