CN109810657A - A kind of preparation method of haydite sound absorbing plate - Google Patents
A kind of preparation method of haydite sound absorbing plate Download PDFInfo
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Abstract
The present invention relates to a kind of preparation methods of haydite sound absorbing plate, belong to sound-absorbing material technical field.The present invention is using clay haydite as substrate, pass through addition rock wool grain, bamboo pulp, using poplar as the substrate of glued board, SIS rubber is adhesive, prepare haydite sound absorbing plate, glued board is to be staggered by multilayer single plate according to veneer texture, apply adhesive, the material for acting on and being formed through excess pressure, add fiber or rubber filling, the surface density and thickness that improve glued board can effectively improve the sound absorbing performance of glued board, glued board is the material that stratiform has porous property, relative to low frequency incident acoustic wave, glued board has absorption advantage to medium-high frequency incident acoustic wave, therefore the acoustic absorptivity of glued board can increase with the increase of incident acoustic wave frequency, using SIS rubber as adhesive, it being capable of effectively absorption of the reinforcement glued board to low frequency incident acoustic wave, to improve the sound absorption effect of haydite sound absorbing plate.
Description
Technical field
The present invention relates to a kind of preparation methods of haydite sound absorbing plate, belong to sound-absorbing material technical field.
Background technique
Wheel track strike note, rolling sound and grating when subway noise is mainly derived from subway circulation.According to Principles of Acoustics: when
When sound is less than 30 decibels, it generally will not influence people and normally live and rest；After sound reaches 50 decibels, people are just had
Biggish feeling, or even be difficult to fall asleep；When sound reaches 80 decibels, the auditory system of people will receive injury, and nervous system will
Phenomena such as getting muddled, for example will appear tired, dizzy, headache, insomnia, dysacousis, deafness.It is chronically at such sound
Environment, the cardio-pulmonary function of human body also can impacted, memory can decline, react can be blunt, feeling of fatigue increases, under working efficiency
Drop.Statistics is also shown: noise can accelerate the aging of building, structure, influence the precision and service life of equipment and instrument.
Noise can also shelter safety signal, such as alarm signal and vehicle driving signal, cause the accident, bring hidden danger to traffic safety.
And subway runs at high speed, the sound size that wheel track issues is above 80 decibels substantially, therefore subway construction process is sure to
Consider the prevention and treatment and control problem of noise.
Related metro noise control problem, previous way mainly have two major classes: first is that structure control method.Including from compartment
It is handled in terms of structure and track structure, mitigates self weight in terms of compartment and reduce oscillation power, mainly take vibration damping in terms of track
Or vibration isolation measure.Second is that control of material method.Including using two kinds of processing methods of acoustic material and sound-absorbing material.
Must have two big functions according to the specific environment of subway and construction characteristic requirement, sound-absorbing material for subway, first is that inhaling
Sound excellent result, second is that durable years long enough.Shown according to the data that designing unit provides: sound-absorbing material has following special
Point: 1. sound-absorbing material durable, waterproof, fire-retardant, service life is not less than 10 years.2. the attenuation rate of acoustic absorptivity in validity period
Lower than 10%, there cannot be apparent visible structure defect.3. being free of asbestos, polystyrene and mordant substance.4. material
Scattered fiery value, value of smoldering and easy combustion value should be zero.5. the sound absorbing performance of material meets the audio frequency characteristics in subway.6. should have foot
Enough intensity should have good gas shock resistance, again with circumferential concrete wall base good combination.It is wanted according to above-mentioned
It asks, current sound-absorbing material is all difficult to the specific environment requirement of competent subway.Therefore, to the acoustics design of subway sound-absorbing material
It is produced with material, everybody is finding and developing sound-absorbing material, and environmental-protection type sound-absorbing material will be the following sound-absorbing material for subway
The inexorable trend of development.
Haydite belongs to porous sound absorbing material, and haydite concrete is under the jurisdiction of cement-based material again, therefore it can realize intensity function
The multiple functions such as energy, durable function, anti-corrosion fire prevention, while can also keep the fundamental characteristics of porous sound absorbing material.Using haydite as
Basic aggregate, cement is as cementitious material, using the plasticity of cement, is hardening cement colloid with special manufacture craft
Countless micro-pores are formed in the process, and hole is enable to be connected together, and play the excellent of haydite porous sound absorbing material
Sound absorbing performance develops underground railway track abatvoix and is undoubtedly a kind of ideal subway and the measure of tunnel sound-deadening and noise-reducing.Overseas utilization is excellent
The low alkali ordinary portland cement of matter consolidates the sound absorption haydite of certain gradation as binder, and passes through special production
Technique has been made noise reduction coefficient and has reached 0.85, the subway sound-absorbing road bed board that sound absorbing performance is I grade, however domestic similar production not yet
The precedent of product and engineer application.To subway, the dedicated sound-absorbing material configuration technology in tunnel, abatvoix forming technique and construction technology etc.
Basic research is still in white state.Therefore, research high-performance acoustical material configuration key technology, exploitation novel subway track
Abatvoix will have great importance to the sustainable development of Construction of Urban Rail Traffic.
Summary of the invention
The technical problems to be solved by the invention: for the problem that existing sound-absorbing material sound absorption effect is poor, one is provided
The preparation method of kind haydite sound absorbing plate.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
(1) C 5 petroleum resin is added in naphthenic oil, 1~2h is stirred with 200~250r/min revolving speed at 110~120 DEG C,
Obtain resin melting liquid；
(2) by SIS rubber be added resin melting liquid in, at 140~160 DEG C with 250~300r/min revolving speed stirring 30~
40min obtains mixed melting liquid；
(3) bamboo pulp, rock wool grain and clay haydite are added in mixed melting liquid, with 300~400r/ at 160~180 DEG C
Min revolving speed stirs 20~30min, is cooled to 120~130 DEG C, and heat preservation obtains plate adhesive；
(4) plate adhesive is uniformly applied to the one side of cottonwood plank stuff by the cottonwood plank stuff for taking 2 pieces of 30cm × 30cm, will be smeared
The plate face of plate adhesive contacts with each other, plate 40~60min of pressure, and standing 20~for 24 hours, obtain haydite sound absorbing plate.
The bamboo pulp, rock wool grain, clay haydite, SIS rubber, C 5 petroleum resin, naphthenic oil parts by weight be 20
~30 parts of bamboo pulps, 30~40 parts of rock wool grains, 60~80 parts of clay haydites, 40~60 parts of SIS rubber, 20~30 parts of light dydrocarbon petroleum
Resin, 10~15 parts of naphthenic oils.
The color number of C 5 petroleum resin described in step (1) is 5~No. 6 colors, and softening point is 100~120 DEG C.
The partial size of the grain of rock wool described in step (3) is 2~4mm.
The specification of cottonwood plank stuff described in step (4) is 30cm × 30cm, and plate thickness is 15~25mm, between cottonwood plank stuff
Plate adhesive layer thickness is 8~10mm.
The preparation step of clay haydite described in step (3) are as follows:
(1) clay and sandy loam are mixed and is poured into edge runner, 30~40min of rolling obtains the mixing particle of 1~2mm of partial size；
(2) mixing particle is placed in blender, 1~2h is sufficiently stirred with the revolving speed of 120~160r/min at normal temperature, must be stirred
Mixing particle after mixing；
(3) the mixing particle after stirring is placed in granulator to the spherolite that 2~3mm of partial size is made, by spherolite at 500~600 DEG C
30~50min of lower preheating, then it is placed in 2~3h of calcining at 1400~1600 DEG C, standing 20~for 24 hours, obtain clay haydite.
The parts by weight of the clay, sandy loam are 60~80 parts of clays, 30~40 parts of sandy loams.
The specification of leca described in step (3) is 5~6mm of partial size, bulk density is 220~240Kg/m3, sound absorption
Coefficient is 0.5~0.8.
The specific preparation step of bamboo pulp described in step (3) are as follows:
(1) bamboo block is placed in deionized water by 1:5 in mass ratio, and room temperature is heated to deionization with the heating rate of 2~3 DEG C/min
Water boiling, and sulfuric acid is added, 2~3h is stirred and kept the temperature with 100~120r/min revolving speed, is taken out, is dried, obtain the bamboo of sour prehydrolysis
Block；
(2) the bamboo block of sour prehydrolysis is added in deionized water 1:5 in mass ratio, and body is added in sodium hydroxide, vulcanized sodium, anthraquinone
In system, 2~3h of boiling at 140~150 DEG C, filtering takes filter residue, and deionized water is washed 3~5 times, dry 2 at 40~60 DEG C
~3h, shearing, obtains that fibre diameter is 4~5nm, fibre length is 10~20mm bamboo pulp.
The bamboo block, sulfuric acid, sodium hydroxide, vulcanized sodium, anthraquinone parts by weight be 50~60 parts of 30mm × 20mm × 2mm
Bamboo block, 20~30 parts of mass concentrations 10% sulfuric acid, 10~15 parts of sodium hydroxides, 1~3 part of vulcanized sodium, 0.5~1 part of anthraquinone.
The present invention is compared with other methods, and advantageous effects are:
(1) present invention prepares haydite sound absorbing plate, clay haydite is based on clay, sandy loam etc. using clay haydite as substrate
Want raw material, processed granulation, burn it is swollen made of, in the light coarse aggregate of 5~25mm, clay haydite epigranular is not easy to tie partial size
Plate has very strong suction-operated, and long service life, intranet is criss-cross, has various micropores, micropore is in closing
The fine and closely woven honeycomb of type has good sound absorbing performance, and the little particle of clay haydite is piled up can form many holes, energy together
The sound absorption effect of material is effectively improved, and does not have dust under clay haydite drying regime, will not disintegrate after soaked, not generate mud
Water, it is very friendly to environment；
(2) present invention prepares haydite sound absorbing plate by addition rock wool grain, rock wool grain be with natural rock basalt, diabase,
Andesite is base stock, and using industrial slag as auxiliary material, by high-temperature fusion, fibrosis, a kind of manufactured inanimate matter is fine
Dimension, is a kind of fire prevention of natural environmental-protective type, heat insulation-type thermal insulation material, and rock wool grain raw material is easy to get, is available locally and turns harm into good, produce
Less energy consumption, at low cost, the maximum operation (service) temperature of rock wool grain is up to 820~870 DEG C, and fiber is long, chemical durability and water resistance
It is good, the bulk density of rock wool grain is light, thermal coefficient is small, do not burn, prevent fires nontoxic, sound absorption qualities are good, insulation, chemical stability are good,
The features such as service life is long is ideal insulating energy-saving fire-proof sound insulation material；
(3) present invention prepares haydite sound absorbing plate by addition bamboo pulp, and bamboo pulp fiber is a kind of natural super hollow fibre
The fiber natural form of dimension, bamboo pulp is in extending longitudinally, and cell wall is thin and transparent, and surface is smooth, makes it more than other plant fibers
Has toughness, strong, addition bamboo pulp is conducive to improve the durability of sound-absorbing material, and the fiber cross section of bamboo pulp is covered with the garden Liao Tuo
The cavity of shape, internal there are many tubulose lacuna, this structure makes bamboo pulp have transient absorption and evaporates the ability of moisture content, from
And the drying property and water resistance of sound-absorbing material are kept, and tubulose lacuna is conducive to the acoustical absorptivity of reinforcing material；
(4) present invention by the substrate of glued board, SIS rubber of poplar is adhesive, prepares haydite sound absorbing plate, glued board be by
The material that multilayer single plate is staggered according to veneer texture, applies adhesive, acts on and formed through excess pressure adds fiber or rubber
Glue filling, the surface density for improving glued board and thickness can effectively improve the sound absorbing performance of glued board, and glued board is stratiform with more
The material of porous, relative to low frequency incident acoustic wave, glued board has absorption advantage, therefore glued board to medium-high frequency incident acoustic wave
Acoustic absorptivity can increase with the increase of incident acoustic wave frequency, using SIS rubber as adhesive, can effectively reinforcement it is glued
Absorption of the plate to low frequency incident acoustic wave, to improve the sound absorption effect of haydite sound absorbing plate.
Specific embodiment
According to parts by weight, weigh respectively 50~60 parts of 2cm × 3cm bamboo blocks, 20~30 parts of mass concentrations 10% sulfuric acid,
Bamboo block is placed in deionized water by 10~15 parts of sodium hydroxides, 1~3 part of vulcanized sodium, 0.5~1 part of anthraquinone, in mass ratio 1:5, often
Temperature is heated to deionized water boiling with the heating rate of 2~3 DEG C/min, and sulfuric acid is added, with the stirring of 100~120r/min revolving speed
And 2~3h is kept the temperature, it takes out, dries, obtain the bamboo block of sour prehydrolysis, deionization is added in the bamboo block of sour prehydrolysis by 1:5 in mass ratio
In water, by sodium hydroxide, vulcanized sodium, anthraquinone addition system, 2~3h of boiling at 140~150 DEG C, filtering takes filter residue, goes
Ion water washing 3~5 times, dry 2~3h, shearing obtain bamboo pulp, then according to parts by weight, weigh respectively at 40~60 DEG C
Clay and sandy loam are mixed and are poured into edge runner by 60~80 parts of clays, 30~40 parts of sandy loams, and 30~40min of rolling obtains grain
Mixing particle is placed in blender, is sufficiently stirred with the revolving speed of 120~160r/min at normal temperature by the mixing particle of 1~2mm of diameter
1~2h is mixed, the mixing particle after stirring is placed in granulator the ball that 2~3mm of partial size is made by the mixing particle after must stirring
Grain, preheats 30~50min for spherolite at 500~600 DEG C, then is placed in 2~3h of calcining at 1400~1600 DEG C, and standing 20~
For 24 hours, clay haydite is obtained.Again according to parts by weight, 20~30 parts of bamboo pulps, 30~40 parts of rock wool grains, 60~80 parts are weighed respectively
The clay haydite of 5~10mm of partial size, 40~60 parts of SIS rubber, 20~30 parts of C 5 petroleum resins, 10~15 parts of naphthenic oils will
C 5 petroleum resin is added in naphthenic oil, stirs 1~2h at 110~120 DEG C with 200~250r/min revolving speed, and it is molten to obtain resin
Melt liquid, by SIS rubber be added resin melting liquid in, at 140~160 DEG C with 250~300r/min revolving speed stirring 30~
40min obtains mixed melting liquid, by bamboo pulp, rock wool grain and clay haydite be added mixed melting liquid in, at 160~180 DEG C with
300~400r/min revolving speed stirs 20~30min, is cooled to 120~130 DEG C, and heat preservation obtains plate adhesive, take 2 pieces of 30cm ×
Plate adhesive is uniformly applied to the one side of cottonwood plank stuff by the cottonwood plank stuff of 30cm, will smear the plate face phase of plate adhesive
Mutually contact, plate 40~60min of pressure, standing 20~for 24 hours, obtain haydite sound absorbing plate.
According to parts by weight, sulfuric acid, the 10 parts of hydrogen-oxygens of 50 parts of 2cm × 3cm bamboo blocks, 20 parts of mass concentrations 10% are weighed respectively
Change sodium, 1 part of vulcanized sodium, 0.5 part of anthraquinone, bamboo block is placed in deionized water by 1:5 in mass ratio, and room temperature is with the heating of 2 DEG C/min
Rate is heated to deionized water boiling, and sulfuric acid is added, and 2h is stirred and kept the temperature with 100r/min revolving speed, takes out, dries, obtain sour pre-
The bamboo block of sour prehydrolysis is added in deionized water, sodium hydroxide, vulcanized sodium, anthraquinone is added by the bamboo block of hydrolysis, in mass ratio 1:5
Enter in system, the boiling 2h at 140~150 DEG C, filter, take filter residue, deionized water is washed 3 times, and dry 2h, cuts at 40 DEG C
It cuts, obtains bamboo pulp, then according to parts by weight, weigh 60 parts of clays, 30 parts of sandy loams respectively, clay and sandy loam are mixed and poured into
In edge runner, rolling 30min obtains the mixing particle of partial size 1mm, mixing particle is placed in blender, at normal temperature with 120r/
1h is sufficiently stirred in the revolving speed of min, and the mixing particle after stirring is placed in granulator and partial size is made by the mixing particle after must stirring
Spherolite is preheated at 500 DEG C 30min, then is placed at 1400 DEG C and calcines 2h by the spherolite of 2mm, is stood 20h, is obtained clay haydite.Again
According to parts by weight, clay haydite, the 40 parts of SIS rubber of 20 parts of bamboo pulps, 30 parts of rock wools grain, 60 parts of partial size 5mm are weighed respectively,
C 5 petroleum resin is added in naphthenic oil for 20 parts of C 5 petroleum resins, 10 parts of naphthenic oils, is turned at 110 DEG C with 200r/min
Speed stirring 1h, obtains resin melting liquid, SIS rubber is added in resin melting liquid, with the stirring of 250r/min revolving speed at 140 DEG C
30min obtains mixed melting liquid, bamboo pulp, rock wool grain and clay haydite is added in mixed melting liquid, with 300r/ at 160 DEG C
Min revolving speed stirs 20min, is cooled to 120 DEG C, and heat preservation obtains plate adhesive, takes the cottonwood plank stuff of 2 pieces of 30cm × 30cm, by plate
Material adhesive is uniformly applied to the one side of cottonwood plank stuff, and the plate face for smearing plate adhesive is contacted with each other, and plate presses 40min, quiet
20h is set, haydite sound absorbing plate is obtained.
According to parts by weight, sulfuric acid, the 12 parts of hydrogen-oxygens of 55 parts of 2cm × 3cm bamboo blocks, 25 parts of mass concentrations 10% are weighed respectively
Change sodium, 2 parts of vulcanized sodium, 0.8 part of anthraquinone, bamboo block is placed in deionized water by 1:5 in mass ratio, and room temperature is with the heating of 2 DEG C/min
Rate is heated to deionized water boiling, and sulfuric acid is added, and 2h is stirred and kept the temperature with 110r/min revolving speed, takes out, dries, obtain sour pre-
The bamboo block of sour prehydrolysis is added in deionized water, sodium hydroxide, vulcanized sodium, anthraquinone is added by the bamboo block of hydrolysis, in mass ratio 1:5
Enter in system, the boiling 2h at 145 DEG C, filter, take filter residue, deionized water is washed 4 times, and dry 2h, shearing obtain bamboo at 50 DEG C
Pulp, then according to parts by weight, 70 parts of clays, 35 parts of sandy loams are weighed respectively, clay and sandy loam are mixed and pour into edge runner
In, rolling 35min obtains the mixing particle of partial size 1mm, mixing particle is placed in blender, at normal temperature with 140r/min's
1h is sufficiently stirred in revolving speed, the mixing particle after must stirring, and the mixing particle after stirring is placed in granulator and is made partial size 2mm's
Spherolite is preheated at 550 DEG C 40min, then is placed at 1500 DEG C and calcines 2h by spherolite, is stood 22h, is obtained clay haydite.Again by weight
Number meter is measured, weighs clay haydite, the 50 parts of SIS rubber of 25 parts of bamboo pulps, 35 parts of rock wools grain, 70 parts of partial size 8mm respectively, 25 parts
C 5 petroleum resin is added in naphthenic oil, is stirred at 115 DEG C with 225r/min revolving speed by C 5 petroleum resin, 12 parts of naphthenic oils
1h is mixed, resin melting liquid is obtained, SIS rubber is added in resin melting liquid, 35min is stirred with 275r/min revolving speed at 150 DEG C,
Mixed melting liquid is obtained, bamboo pulp, rock wool grain and clay haydite are added in mixed melting liquid, turned at 170 DEG C with 350r/min
Speed stirring 25min, is cooled to 125 DEG C, and heat preservation obtains plate adhesive, takes the cottonwood plank stuff of 2 pieces of 30cm × 30cm, plate is glued
Knot object is uniformly applied to the one side of cottonwood plank stuff, and the plate face for smearing plate adhesive is contacted with each other, and plate presses 50min, stands
22h obtains haydite sound absorbing plate.
According to parts by weight, sulfuric acid, the 15 parts of hydrogen-oxygens of 60 parts of 2cm × 3cm bamboo blocks, 30 parts of mass concentrations 10% are weighed respectively
Change sodium, 3 parts of vulcanized sodium, 1 part of anthraquinone, bamboo block is placed in deionized water by 1:5 in mass ratio, and room temperature is with the heating speed of 3 DEG C/min
Rate is heated to deionized water boiling, and sulfuric acid is added, and 3h is stirred and kept the temperature with 120r/min revolving speed, takes out, dries, obtain sour pre- water
The bamboo block of sour prehydrolysis is added in deionized water by the bamboo block of solution, in mass ratio 1:5, and sodium hydroxide, vulcanized sodium, anthraquinone are added
In system, the boiling 3h at 150 DEG C, filtering takes filter residue, and deionized water is washed 5 times, and dry 3h, shearing obtain bamboo pulp at 60 DEG C
The dregs of rice, then according to parts by weight, 80 parts of clays, 40 parts of sandy loams are weighed respectively, clay and sandy loam are mixed and poured into edge runner,
Rolling 40min obtains the mixing particle of partial size 2mm, mixing particle is placed in blender, at normal temperature with the revolving speed of 160r/min
2h is sufficiently stirred, the mixing particle after stirring is placed in granulator the ball that partial size 3mm is made by the mixing particle after must stirring
Grain, preheats 50min for spherolite, then be placed at 1600 DEG C and calcine 3h at 600 DEG C, stands for 24 hours, obtains clay haydite.Again by weight
Number meter, weighs clay haydite, the 60 parts of SIS rubber of 30 parts of bamboo pulps, 40 parts of rock wools grain, 80 parts of partial size 10mm respectively, and 30 parts
C 5 petroleum resin is added in naphthenic oil, is stirred at 120 DEG C with 250r/min revolving speed by C 5 petroleum resin, 15 parts of naphthenic oils
2h is mixed, resin melting liquid is obtained, SIS rubber is added in resin melting liquid, 40min is stirred with 300r/min revolving speed at 160 DEG C,
Mixed melting liquid is obtained, bamboo pulp, rock wool grain and clay haydite are added in mixed melting liquid, turned at 180 DEG C with 400r/min
Speed stirring 30min, is cooled to 130 DEG C, and heat preservation obtains plate adhesive, takes the cottonwood plank stuff of 2 pieces of 30cm × 30cm, plate is glued
Knot object is uniformly applied to the one side of cottonwood plank stuff, and the plate face for smearing plate adhesive is contacted with each other, and plate presses 60min, stands
For 24 hours, haydite sound absorbing plate is obtained.
Reference examples: the haydite sound absorbing plate of Dongguan company production.
The haydite sound absorbing plate that example and reference examples are prepared is detected, specific detection is as follows:
Compression strength: according to GB/T50081-2002, using TYE-A type digital display type electro-hydraulic pressure testing machine, design standard test block
Having a size of 100mm × 100mm × 100mm cube.
Flexural strength: according to GB/T50081-2002, using WE-30 hydraulic universal material testing machine, test block having a size of
100mm × 100mm × 400mm prism is loaded simultaneously at three branch of test specimen span.
Sound absorbing performance: sampling according to " Code for measurement of soundabsorbing coefficient and specific acoustic inpedance of standingwave " (GBJ88-85), test
The acoustic absorptivity of haydite sound-absorbing material.
Specific test result such as table 1.
1 performance characterization contrast table of table
| Detection project | Example 1 | Example 2 | Example 3 | Reference examples |
| Compression strength/MPa | 10.66 | 10.45 | 10.60 | 5.01 |
| Flexural strength/MPa | 4.12 | 4.07 | 3.95 | 2.33 |
| Acoustic absorptivity | 0.90 | 0.91 | 0.88 | 0.32 |
As shown in Table 1, haydite sound absorbing plate prepared by the present invention has good mechanical property and sound absorbing performance.
Claims (10)
1. a kind of preparation method of haydite sound absorbing plate, which is characterized in that specific preparation step are as follows:
(1) C 5 petroleum resin is added in naphthenic oil, 1~2h is stirred with 200~250r/min revolving speed at 110~120 DEG C,
Obtain resin melting liquid；
(2) by SIS rubber be added resin melting liquid in, at 140~160 DEG C with 250~300r/min revolving speed stirring 30~
40min obtains mixed melting liquid；
(3) bamboo pulp, rock wool grain and clay haydite are added in mixed melting liquid, with 300~400r/ at 160~180 DEG C
Min revolving speed stirs 20~30min, is cooled to 120~130 DEG C, and heat preservation obtains plate adhesive；
(4) plate adhesive is uniformly applied to the one side of cottonwood plank stuff by the cottonwood plank stuff for taking 2 pieces of 30cm × 30cm, will be smeared
The plate face of plate adhesive contacts with each other, plate 40~60min of pressure, and standing 20~for 24 hours, obtain haydite sound absorbing plate.
2. a kind of preparation method of haydite sound absorbing plate according to claim 1, which is characterized in that the bamboo pulp,
Rock wool grain, clay haydite, SIS rubber, C 5 petroleum resin, naphthenic oil parts by weight be 20~30 parts of bamboo pulps, 30~40 parts
Rock wool grain, 60~80 parts of clay haydites, 40~60 parts of SIS rubber, 20~30 parts of C 5 petroleum resins, 10~15 parts of naphthenic oils.
3. a kind of preparation method of haydite sound absorbing plate according to claim 1, which is characterized in that described in step (1)
The color number of C 5 petroleum resin is 5~No. 6 colors, and softening point is 100~120 DEG C.
4. a kind of preparation method of haydite sound absorbing plate according to claim 1, which is characterized in that described in step (3)
The partial size of rock wool grain is 2~4mm.
5. a kind of preparation method of haydite sound absorbing plate according to claim 1, which is characterized in that described in step (4)
The specification of cottonwood plank stuff is 30cm × 30cm, and plate thickness is 15~25mm, the plate adhesive layer thickness between cottonwood plank stuff is 8~
10mm。
6. a kind of preparation method of haydite sound absorbing plate according to claim 1, which is characterized in that described in step (3)
The preparation step of clay haydite are as follows:
(1) clay and sandy loam are mixed and is poured into edge runner, 30~40min of rolling obtains the mixing particle of 1~2mm of partial size；
(2) mixing particle is placed in blender, 1~2h is sufficiently stirred with the revolving speed of 120~160r/min at normal temperature, must be stirred
Mixing particle after mixing；
(3) the mixing particle after stirring is placed in granulator to the spherolite that 2~3mm of partial size is made, by spherolite at 500~600 DEG C
30~50min of lower preheating, then it is placed in 2~3h of calcining at 1400~1600 DEG C, standing 20~for 24 hours, obtain clay haydite.
7. a kind of preparation method of haydite sound absorbing plate according to claim 6, which is characterized in that the clay, Asia
The parts by weight of clay are 60~80 parts of clays, 30~40 parts of sandy loams.
8. a kind of preparation method of haydite sound absorbing plate according to claim 6, which is characterized in that described in step (3)
The specification of leca is 5~6mm of partial size, bulk density is 220~240Kg/m3, acoustic absorptivity be 0.5~0.8.
9. a kind of preparation method of haydite sound absorbing plate according to claim 1, which is characterized in that described in step (3)
The specific preparation step of bamboo pulp are as follows:
(1) bamboo block is placed in deionized water by 1:5 in mass ratio, and room temperature is heated to deionization with the heating rate of 2~3 DEG C/min
Water boiling, and sulfuric acid is added, 2~3h is stirred and kept the temperature with 100~120r/min revolving speed, is taken out, is dried, obtain the bamboo of sour prehydrolysis
Block；
(2) the bamboo block of sour prehydrolysis is added in deionized water 1:5 in mass ratio, and body is added in sodium hydroxide, vulcanized sodium, anthraquinone
In system, 2~3h of boiling at 140~150 DEG C, filtering takes filter residue, and deionized water is washed 3~5 times, dry 2 at 40~60 DEG C
~3h, shearing, obtains that fibre diameter is 4~5nm, fibre length is 10~20mm bamboo pulp.
10. a kind of preparation method of haydite sound absorbing plate according to claim 9, which is characterized in that the bamboo block, sulphur
Acid, sodium hydroxide, vulcanized sodium, anthraquinone parts by weight be that 50~60 parts of 30mm × 20mm × 2mm bamboo blocks, 20~30 parts of quality are dense
Sulfuric acid, 10~15 parts of sodium hydroxides, 1~3 part of vulcanized sodium, 0.5~1 part of anthraquinone of degree 10%.
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| CN201910059809.4A CN109810657B (en) | 2019-01-22 | 2019-01-22 | Preparation method of ceramsite sound absorption plate |
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| CN201910059809.4A CN109810657B (en) | 2019-01-22 | 2019-01-22 | Preparation method of ceramsite sound absorption plate |
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| CN201910059809.4A Active CN109810657B (en) | 2019-01-22 | 2019-01-22 | Preparation method of ceramsite sound absorption plate |
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