CN107963904A - A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material and preparation method thereof - Google Patents
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of porous sound absorbing ceramics standby using perlite tailing powder and coal ash for manufacturing and preparation method thereof, and turbid is made by the way that perlite tailing powder, flyash, carborundum, Fluorspar Powder and distilled water are mixed according to certain mass ratio by ball milling；Base substrate is made in the flows such as turbid is molded after pouring into mould through quiet slurry, maintenance, drying, and then base substrate obtains porous ceramics by specific sintering schedule.The performance of ceramics：Apparent porosity is 22.4% ~ 37.2%；Sample average sound-absorption coefficient is 0.33 ~ 0.48 under 200 ~ 1600Hz；First absorbs peak-to-peak value occurs in 800 ~ 1250Hz of frequency, and peak value is 0.70 ~ 0.88.Tailing and mineral discarded object of the invention using natural minerals prepares porous sound absorbing ceramics for primary raw material, realizes the efficient utilization that industrial waste is turned waste into wealth with mineral resources, and the environment friendly acoustical absorption ceramics have broad application prospects.
Description
Technical field
The present invention relates to porous ceramic technology field, and in particular to one kind is raw material using perlite tailing powder and flyash
Porous sound absorbing ceramics of preparation and preparation method thereof.
Background technology
With the development of society, especially scientific and technical is continuous progressive, the life of people be greatly improved with
Improve, the material life of especially people has obtained qualitative leap.People bring happiness in the increasingly plentiful material life of enjoyment
While sense, air quality, noise in the requirement of higher, such as culture life, living environment are it is also proposed for cultural life
Decibel etc..
During the progress of social Great span, also there are some negative impacts, for example be easy for what is occurred to winter
Haze weather；And going forward side by side with road traffic and other multiple transportation modes, noise pollution also increasingly shows；And with work
The development of industry informationization, the equipment for being related to the generation sound equipment of life every aspect is ubiquitous, and produced for stereo set
Sound carries out effectively prevention and control, and what is just shown is particularly significant.
The use of sound-absorbing material is the main means of noise abatement, and inorfil porous sound absorbing material mechanical performance is poor, easy
Fracture；Organic foam porous sound absorbing material is inflammable, pollution is high；Metal porous sound-absorbing material involves great expense.Above-mentioned sound-absorbing material by
In itself some existing defect, limited to its application.And porous sound absorbing material by its processing performance it is good the advantages of quilt
Extensive use.
Porous sound absorbing material internal have it is substantial amounts of three-dimensional penetrate through duct, when causing the sound wave to enter material internal a part because
Windage is converted into thermal energy and dissipates, while the refraction that is produced in material internal of sound wave and diffusing reflection are also beneficial to loss sound
Can, so as to achieve the purpose that absorbing sound and lowering noise.Disclosed patent publication No. discloses a kind of utilization for CN 101503298A
The method that gel injection-moulding method prepares porous SiN ceramic；Patent publication No. is that disclosing for CN 102372499A is a kind of organic
Foam impregnation technique prepares porous Ti2The method of AlN ceramic；Patent publication No. then discloses a kind of utilization for CN 102432332A
The method that gel-foaming prepares alumina porous ceramic.Gel injection-moulding method and foam impregnation used by above patent
Although method is easier to that the porous ceramics for possessing a large amount of perforation holes is made, but have the shortcomings that toxicity, pollution are larger there are additive,
And the duct of porous ceramics prepared by foaming is then more based on closed pore.
A large amount of mineral resources are consumed while social progress, and mineral resources are often brought largely in the process of development
Tailing and mineral waste.Therefore, mineral tailings and the rational and efficient use of waste residue, are always the emphasis of society research.
Therefore, the exploitation of inorganic non-metallic porous sound absorbing material is carried out using mineral tailings and waste residue, realizes and solves mineral
The problem of tailing is stacked and mineral waste pollutes environment, and sound-absorbing material development problem can be solved, being one is worth research
Direction.
The content of the invention
In order to realize that the efficient of nonmetallic mineral utilizes, overcome traditional sound-absorbing material of high cost, inflammable and perishable etc. lack
Point and the solution prior art prepare the contradictory relation of porous sound absorbing ceramic process complexity and sound absorption qualities quality, and the present invention carries
Supply a kind of new with sacrificing one kind that template is combined using directly foaming as primary raw material using perlite tailing powder and flyash
Type technique prepares porous sound absorbing ceramics and preparation method thereof.
The object of the present invention is achieved like this：
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, including following raw materials according and distilled water：
The raw material includes：Perlite tailing powder, flyash, carborundum, Fluorspar Powder and Arabic gum；
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, the pottery of the porous sound absorbing ceramics
Porcelain raw material crosses 100 ~ 200 mesh sieves, and silica alumina ratio is 2 ~ 3:1；
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, the perlite tailing powder and powder
The quality proportioning of coal ash is 5 ~ 7:2~4；
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, the flyash carbon content is 20
~25%；
The carborundum and fluorite powder content is respectively 0.5 ~ 1.8% He of the sum of perlite tailing powder and flyash gross mass
1.5~3.0%。
The Arabic gum is the 0.5 ~ 2.0% of material gross mass；
A kind of preparation method of the porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, including following step
Suddenly：
1）Above-mentioned all raw materials and additive are put into ball mill and add the distilled water of raw material gross mass 40 ~ 55%, ball milling 50
~ 80min, is made turbid, material ball ratio 1:3；
2）By step 1）The turbid prepared pours into 12 ~ 24h of quiet slurry shaping in mould, and wet base is made；
3）By step 2）The wet base prepared is put into curing box, is conserved the base substrate after 48 ~ 72h and is put into drying box, dry with 110 DEG C
Dry 12 ~ 24h；Dried base substrate sintered in 1070 ~ 1220 DEG C of high temperature furnace 2 ~ 3 it is small when obtain porous ceramics block；Wherein support
Guard strip part is：25 DEG C of temperature, relative humidity are more than 50%；
The step 3）It is to slough most water in base substrate, prevent in high temperature sintering when middle base substrate drying 12 ~ 24 is small
During sample crack；The step 2）In it is quiet slurry shaping after base substrate thickness be 2 ~ 3cm, length of side 10cm；In the present invention
Sintering schedule：400 DEG C are warming up to the heating rate of 5 DEG C/min and keeps the temperature 70min at this temperature, then with 10 DEG C/min
Heating rate be warming up to 1070 ~ 1220 DEG C, and keep the temperature 50min at this temperature, then stop heating furnace cooling to room temperature,
It is finally completed sintering process.Sample has a warm in sintering schedule, and can prevent from heating up too fast causes billet surface fast
Fast vitreous, avoids sample internal/external heating uneven；
The step 3）Porous sound absorbing ceramics are obtained after the cleaved processing of porous ceramics block of preparation, are tested by sound-absorption coefficient
System measures the sound-absorption coefficient of ceramics sample, and ceramics sample apparent porosity is tested using Archimedes's drainage；The step
3）The porous sound absorbing ceramic performance of preparation is：Apparent porosity is 22.4% ~ 37.2%；Sample average sound-absorption coefficient under 200 ~ 1600Hz
For 0.33 ~ 0.48；First absworption peak occurs in 800 ~ 1250Hz of frequency, and peak value is 0.70 ~ 0.88.
Positive beneficial effect：The present invention be primary raw material using perlite tailing powder and flyash, by directly foaming and
Sacrifice the technique that template is combined and prepare high intensity, corrosion-resistant, refractory heat-insulating and the porous sound absorbing pottery for possessing good sound absorption qualities
Porcelain.The present invention can improve direct foaming and template prepares that porosity existing for porous ceramics is relatively low, pore structure is mostly
The shortcomings that closing duct, effectively improves the sound absorption qualities of porous ceramics；The present invention is with technique is simple and convenient, prepares sample at the same time
Intensity is high and the advantages that beneficial to practical application.The present invention is prepared using the tailing and mineral discarded object of natural minerals for primary raw material
Porous sound absorbing ceramics, realize the efficient utilization that industrial waste is turned waste into wealth with mineral resources, and environment friendly acoustical absorption ceramics tool
Have broad application prospects.
Brief description of the drawings
Fig. 1 is the flow chart that the present invention prepares porous sound absorbing ceramics；
Fig. 2 is the photomacrograph of the porous sound absorbing ceramics prepared in the present invention.
Embodiment
With reference to specific embodiment, the present invention is described further：
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, including following raw materials according and distilled water：
The raw material includes：Perlite tailing powder, flyash, carborundum, Fluorspar Powder and Arabic gum；
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, the pottery of the porous sound absorbing ceramics
Porcelain raw material crosses 100 ~ 200 mesh sieves, and silica alumina ratio is 2 ~ 3:1；
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, the perlite tailing powder and powder
The quality proportioning of coal ash is 5 ~ 7:2~4；
A kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, the flyash carbon content is 20
~25%；
The carborundum and fluorite powder content is respectively 0.5 ~ 1.8% He of the sum of perlite tailing powder and flyash gross mass
1.5~3.0%；
The Arabic gum is the 0.5 ~ 2.0% of material gross mass；
A kind of preparation method of the porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, including following step
Suddenly：
1）Above-mentioned all raw materials and additive are put into ball mill and add the distilled water of raw material gross mass 40 ~ 55%, ball milling 50
~ 80min, is made turbid, material ball ratio 1:3；
2）By step 1）The turbid prepared pours into 12 ~ 24h of quiet slurry shaping in mould, and wet base is made；
3）By step 2）The wet base prepared is put into curing box, is conserved the base substrate after 48 ~ 72h and is put into drying box, dry with 110 DEG C
Dry 12 ~ 24h；Dried base substrate sintered in 1070 ~ 1220 DEG C of high temperature furnace 2 ~ 3 it is small when obtain porous ceramics block；Wherein support
Guard strip part is：25 DEG C of temperature, relative humidity are more than 50%；
The step 3）It is to slough most water in base substrate, prevent in high temperature sintering when middle base substrate drying 12 ~ 24 is small
During sample crack；The step 2）In it is quiet slurry shaping after base substrate thickness be 2 ~ 3cm, length of side 10cm；In the present invention
Sintering schedule：400 DEG C are warming up to the heating rate of 5 DEG C/min and keeps the temperature 70min at this temperature, then with 10 DEG C/min
Heating rate be warming up to 1070 ~ 1220 DEG C, and keep the temperature 50min at this temperature, then stop heating furnace cooling to room temperature,
It is finally completed sintering process.Sample has a warm in sintering schedule, and can prevent from heating up too fast causes billet surface fast
Fast vitreous, avoids sample internal/external heating uneven；
The step 3）Porous sound absorbing ceramics are obtained after the cleaved processing of porous ceramics block of preparation, are tested by sound-absorption coefficient
System measures the sound-absorption coefficient of ceramics sample, and ceramics sample apparent porosity is tested using Archimedes's drainage；The step
3）The porous sound absorbing ceramic performance of preparation is：Apparent porosity is 22.4% ~ 37.2%；Sample average sound-absorption coefficient under 200 ~ 1600Hz
For 0.33 ~ 0.48；First absworption peak occurs in 800 ~ 1250Hz of frequency, and peak value is 0.70 ~ 0.88.
Embodiment 1
Prepare porous sound absorbing ceramics：By 180.0g perlite tailings powder, 90.2g flyash, 6.8g Fluorspar Powders and 3.3g carborundum
It is put into ball mill, adds the distilled water of 113g, ball milling obtains turbid after mixing 1h；Obtained turbid is poured into first quiet in mould
Wet base is made in slurry shaping 15h, then wet base is put into curing box, and 48h is conserved under conditions of 25 DEG C, relative humidity are more than 50%；
Base substrate after maintenance is put into drying box dries 12h at 110 DEG C, obtains dry body；Dry body is put into high temperature furnace with 5 DEG C/min
Heating rate under be warming up to 400 DEG C, and 70min is kept the temperature at a temperature of it, is heated up again with the heating rate of 10 DEG C/min afterwards
To 1200 DEG C, and 50min is kept the temperature at a temperature of it, then stop heating furnace cooling and obtain porous ceramics block to room temperature；Finally
Porous ceramics block is cut to obtain the porous ceramics cylinder of diameter 99mm, thickness 30mm.
Porous sound absorbing ceramics apparent porosity and sound absorption qualities test：Apparent porosity is 37.2%；It is average under 200 ~ 1600Hz
Sound-absorption coefficient is 0.48；First absworption peak occurs in frequency 850Hz, peak value 0.88.
Embodiment 2
Prepare porous sound absorbing ceramics：By 182.0g perlite tailings powder, 91.1g flyash, 3.5g Fluorspar Powders and 1.3g carborundum
It is put into ball mill, adds the distilled water of 151g, ball milling obtains turbid after mixing 1h；Obtained turbid is poured into first quiet in mould
Wet base is made in slurry shaping 18h, then wet base is put into curing box, and 48h is conserved under conditions of 25 DEG C, relative humidity are more than 50%；
Base substrate after maintenance is put into drying box dries 12h at 110 DEG C, obtains dry body；Dry body is put into high temperature furnace with 5 DEG C/min
Heating rate under be warming up to 400 DEG C, and 70min is kept the temperature at a temperature of it, is heated up again with the heating rate of 10 DEG C/min afterwards
To 1180 DEG C, and 50min is kept the temperature at a temperature of it, then stop heating furnace cooling and obtain porous ceramics block to room temperature；Finally
Porous ceramics block is cut to obtain the porous ceramics cylinder of diameter 99mm, thickness 30mm.
Porous sound absorbing ceramics apparent porosity and sound absorption qualities test：Apparent porosity is 30.8%；It is average under 200 ~ 1600Hz
Sound-absorption coefficient is 0.43；First absworption peak occurs in frequency 1250Hz, peak value 0.81.
Embodiment 3
Prepare porous sound absorbing ceramics：By 182.4g perlite tailings powder, 91.2g flyash, 2.7g Fluorspar Powders and 1.7g carborundum
It is put into ball mill, adds the distilled water of 115g, ball milling obtains turbid after mixing 50min；Obtained turbid is poured into mould
First wet base is made in quiet slurry shaping 12h, then wet base is put into curing box, is conserved under conditions of 25 DEG C, relative humidity are more than 50%
48h；Base substrate after maintenance is put into drying box dries 12h at 110 DEG C, obtains dry body；Dry body is put into high temperature furnace with 5
DEG C/heating rate of min under be warming up to 400 DEG C, and 70min is kept the temperature at a temperature of it, afterwards again with the heating speed of 10 DEG C/min
Rate is warming up to 1180 DEG C, and 50min is kept the temperature at a temperature of it, then stops heating furnace cooling and obtains porous ceramics to room temperature
Block；Finally porous ceramics block is cut to obtain the porous ceramics cylinder of diameter 99mm, thickness 30mm.
Porous sound absorbing ceramics apparent porosity and sound absorption qualities test：Apparent porosity is 28.4%；It is average under 200 ~ 1600Hz
Sound-absorption coefficient is 0.38；First absworption peak occurs in frequency 1000Hz, peak value 0.77.
Embodiment 4
Prepare porous sound absorbing ceramics：By 220.6g perlite tailings powder, 50.6g flyash, 4.7g Fluorspar Powders and 1.5g carborundum
It is put into ball mill, adds the distilled water of 160g, ball milling obtains turbid after mixing 50min；Obtained turbid is poured into mould
First wet base is made in quiet slurry shaping 15h, then wet base is put into curing box, is conserved under conditions of 25 DEG C, relative humidity are more than 50%
60h；Base substrate after maintenance is put into drying box dries 12h at 110 DEG C, obtains dry body；Dry body is put into high temperature furnace with 5
DEG C/heating rate of min under be warming up to 400 DEG C, and 70min is kept the temperature at a temperature of it, afterwards again with the heating speed of 10 DEG C/min
Rate is warming up to 1080 DEG C, and 50min is kept the temperature at a temperature of it, then stops heating furnace cooling and obtains porous ceramics to room temperature
Block；Finally porous ceramics block is cut to obtain the porous ceramics cylinder of diameter 99mm, thickness 30mm.
Porous sound absorbing ceramics apparent porosity and sound absorption qualities test：Apparent porosity is 22.4%；It is average under 200 ~ 1600Hz
Sound-absorption coefficient is 0.33；First absworption peak occurs in frequency 1250Hz, peak value 0.70.
The present invention is primary raw material using perlite tailing powder and flyash, is mutually tied by direct foaming with sacrificing template
The technique of conjunction prepares high intensity, corrosion-resistant, refractory heat-insulating and the porous sound absorbing ceramics for possessing good sound absorption qualities.The present invention can
Reduce direct foaming and pore creating material method and prepare that porosity existing for porous ceramics is relatively low, pore structure is mostly to close lacking for duct
Fall into, effectively improve the sound absorption qualities of porous ceramics；Present invention process has simple and convenient, preparation sample strength height, is beneficial at the same time
The advantages that practical application.The present invention prepares porous sound absorbing pottery using the tailing and mineral discarded object of natural minerals for primary raw material
Porcelain, realizes the efficient utilization that industrial waste is turned waste into wealth with mineral resources, and environment friendly acoustical absorption ceramics have wide answer
Use prospect.
Above example is merely to illustrate the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, in the knowledge that the field those of ordinary skill possesses, that is made within the spirit and principles in the present invention is any
Modification, equivalent substitute and improvement etc., it should all cover within the scope of the claimed technical solution of the present invention.
Claims (10)
1. a kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material, it is characterised in that including following
Raw material and distilled water：The raw material includes：Perlite tailing powder, flyash, carborundum, Fluorspar Powder and Arabic gum.
2. a kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material according to claim 1,
It is characterized in that：The ceramic raw material of the porous sound absorbing ceramics crosses 100 ~ 200 mesh sieves, and silica alumina ratio is 2 ~ 3:1.
3. a kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material according to claim 1,
It is characterized in that：The perlite tailing powder and the quality proportioning of flyash are 5 ~ 7:2~4.
4. a kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material according to claim 1,
It is characterized in that：The flyash carbon content is 20 ~ 25%.
5. a kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material according to claim 1,
It is characterized in that：The carborundum and fluorite powder content be respectively the sum of perlite tailing powder and flyash gross mass 0.5 ~
1.8% and 1.5 ~ 3.0%.
6. a kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material according to claim 1,
It is characterized in that：The Arabic gum is the 0.5 ~ 2.0% of material gross mass.
7. the preparation side of the porous sound absorbing ceramics prepared as claimed in claim 1 using perlite tailing powder and flyash as raw material
Method, it is characterised in that comprise the following steps：
1）Above-mentioned all raw materials and additive are put into ball mill and add the distilled water of raw material gross mass 40 ~ 55%, ball milling 50 ~
80min, is made turbid, material ball ratio 1:3；
2）By step 1）The turbid prepared pours into 12 ~ 24h of quiet slurry shaping in mould, and wet base is made；
3）By step 2）The wet base prepared is put into curing box, is conserved the base substrate after 48 ~ 72h and is put into drying box, dry with 110 DEG C
Dry 12 ~ 24h；Dried base substrate sintered in 1070 ~ 1220 DEG C of high temperature furnace 2 ~ 3 it is small when obtain porous ceramics block；
Wherein curing condition is：Temperature is 25 DEG C, and relative humidity is not less than 50%.
8. a kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material according to claim 7
Preparation method, it is characterised in that：The step 3）It is most in base substrate in order to slough when middle base substrate drying 12 ~ 24 is small
Water, prevents that sample cracks in high-temperature sintering process；The step 2）In base substrate thickness after quiet slurry shaping be 2 ~ 3cm, side
A length of 10cm.
9. a kind of porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material according to claim 7
Preparation method, it is characterised in that：The sintering schedule of described high temperature furnace sintering is：400 are warming up to the heating rate of 5 DEG C/min
DEG C and keep the temperature 70min at this temperature, be then warming up to 1070 ~ 1220 DEG C with the heating rate of 10 DEG C/min, and in this temperature
Lower insulation 50min, then stops heating furnace cooling to room temperature, is finally completed sintering process.
A kind of 10. porous sound absorbing ceramics prepared using perlite tailing powder and flyash as raw material according to claim 7
Preparation method, it is characterised in that：The step 3）Porous sound absorbing pottery is obtained after the cleaved processing of porous ceramics block of preparation
Porcelain, the sound-absorption coefficient of ceramics sample is measured by sound-absorption coefficient test system, utilizes Archimedes's drainage to test ceramics sample
Apparent porosity；The step 3）The porous sound absorbing ceramic performance of preparation is：Apparent porosity is 22.4% ~ 37.2%；200~
Sample average sound-absorption coefficient is 0.33 ~ 0.48 under 1600Hz；First absworption peak occurs in 800 ~ 1250Hz of frequency, peak value 0.70
~0.88。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001151A (en) * | 2019-04-10 | 2019-07-12 | 泉州工艺美术职业学院 | A kind of fire resisting plate and preparation method thereof containing fluorite ore tailing |
| CN110937918A (en) * | 2019-05-09 | 2020-03-31 | 湖州师范学院 | Andesite tailing-based foamed ceramic |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1404459A (en) * | 2000-10-17 | 2003-03-19 | 小田建设株式会社 | Porous, sound absorbing ceramic moldings and method for production thereof |
| CN105924128A (en) * | 2016-04-21 | 2016-09-07 | 哈尔滨时代创新科技发展有限公司 | Foamed basalt material and manufacturing method thereof |
| CN107399988A (en) * | 2017-08-22 | 2017-11-28 | 东北大学 | A kind of method for preparing alumina carbon SiClx composite porous ceramic using aluminium silicon systems industrial residue |
-
2017
- 2017-11-23 CN CN201711184920.3A patent/CN107963904B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1404459A (en) * | 2000-10-17 | 2003-03-19 | 小田建设株式会社 | Porous, sound absorbing ceramic moldings and method for production thereof |
| CN105924128A (en) * | 2016-04-21 | 2016-09-07 | 哈尔滨时代创新科技发展有限公司 | Foamed basalt material and manufacturing method thereof |
| CN107399988A (en) * | 2017-08-22 | 2017-11-28 | 东北大学 | A kind of method for preparing alumina carbon SiClx composite porous ceramic using aluminium silicon systems industrial residue |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001151A (en) * | 2019-04-10 | 2019-07-12 | 泉州工艺美术职业学院 | A kind of fire resisting plate and preparation method thereof containing fluorite ore tailing |
| CN110937918A (en) * | 2019-05-09 | 2020-03-31 | 湖州师范学院 | Andesite tailing-based foamed ceramic |
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