CN107159153A - A kind of modification infusorial earth smoke abatement block and preparation method thereof - Google Patents
A kind of modification infusorial earth smoke abatement block and preparation method thereof Download PDFInfo
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- CN107159153A CN107159153A CN201710624734.0A CN201710624734A CN107159153A CN 107159153 A CN107159153 A CN 107159153A CN 201710624734 A CN201710624734 A CN 201710624734A CN 107159153 A CN107159153 A CN 107159153A
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Abstract
The present invention relates to a kind of modification infusorial earth smoke abatement block and preparation method thereof, modification infusorial earth smoke abatement block is made up of diatomite, storax, haydite, activated alumina.The modification infusorial earth smoke abatement block that the present invention is prepared is convenient for carrying, suitable for various occasions, it can be used to remove the peculiar smell and oil smoke and performance stabilization, high recycling rate of indoor and outdoor, the manufacture craft of the modification infusorial earth smoke abatement block is simple simultaneously, it is convenient for carrying, the effect of purification is strong, it is easy to industrialized production.
Description
Technical field
The present invention relates to the applied technical field of diatomite composite material, and in particular to a kind of modification infusorial earth smoke abatement block and
Its preparation method.
Background technology
Contain 300 multiple harmful substances in kitchen fume, topmost lung cancer carcinogenic substance is DNP, and housewife is in kitchen
In prepare the DNP that is sucked when eating, be 188 times in outdoor fresh air unexpectedly, many housewives are impatient at elegant length
Unpleasant greasy smell is stained with hair, this is into their main causes away from kitchen, more seriously, the nuisance in oil smoke
Matter is the main cause that woman infect tuberculosis.In fact, there is many carcinogens in kitchen, it can make one to suffer from cancer, it is known that
Increasing for female cancer, may be relevant with the oil smoke in kitchen.Edible oil, which heats too high (smoldering), can produce harmful carcinogen.
Especially fried food when, full kitchen fume is very harmful.Not only oil smoke can be carcinogenic in kitchen, and the oil heated repeatedly is (fried
Food oil) also contain carcinogen.Scientific research finds that common fuel all produces carcinogen, and the quantity produced is also non-
Chang Duo.Smog can cause cough, expectoration to respiratory tract, breathe heavily；Stimulate eyes cause shed tears, conjunctivitis etc..Used in kitchen
Smoke exhaust ventilator, can effectively reduce the soakage of oil smoke, be to make the key of suction carcinogen reduction.But roast, cook a meal in the open air out of doors
Or when being cooked in mat shelter in the wild, because the limitation of condition typically will not be equipped with smoke exhaust ventilator, in such cases largely
Oil smoke great harm is caused to human body.
The content of the invention
In view of the shortcomings of the prior art, it is convenient for carrying it is an object of the invention to provide a kind of, can effectively remove indoor and outdoor
A kind of modification infusorial earth smoke abatement block of peculiar smell and oil smoke and preparation method thereof.
What the present invention was achieved through the following technical solutions：
It is formulated and is：A kind of modification infusorial earth smoke abatement block, is made up of the component of following parts by weight：30~40 parts of diatomite, storax 5
~8 parts, 10~15 parts of haydite, 5~10 parts of activated alumina.
Preferably, the diatomaceous particle diameter is 30 μm~35 μm.
Preferably, the storax is blocks of solid, and the mass percent composition of each component includes：Total balsamic acid is 40%
~50%, resin is 35%~40%, and surplus is impurity.
Preferably, the particle diameter of the haydite is 15 μm~20 μm.
Preferably, the preparation method of the activated alumina is：1）By the apatite of 10~15 parts by weight, 5~10 weight
The calcium hydroxide of part is used as stabilizer to add and stabiliser solution is made in ethanol solution；2）The aluminum oxide of 3~5 parts by weight is added
Suspension is made into ethanol solution；3）By step 1）In stabiliser solution add step 2）In suspension in stir and produce
Slurries, the speed of stirring is 100~200r/min；4）The pH value of the slurries is adjusted between 4.0~4.5；5）Slurries are dropped
Temperature is to -5 DEG C~0 DEG C and is incubated 30min~40min, and slurries then are put into roasting 40min~50min, the temperature of roasting in baking oven
Spend for 800 DEG C~900 DEG C, produce the activated alumina.
Preferably, the modification infusorial earth smoke abatement block is made up of the component of following parts by weight：35 parts of diatomite, storax 7
Part, 12 parts of haydite, 8 parts of activated alumina.
Preferably, application of the smoke abatement block in terms of the peculiar smell and oil smoke that remove indoor and outdoor.
Preparation method is：A kind of preparation method of modification infusorial earth smoke abatement block, comprises the following steps：
（1）Modification infusorial earth：Diatomite is put into the hydrochloric acid solution that mass concentration is 7mol/L~8mol/L, is 35 in temperature
DEG C~37 DEG C, mixing speed is stirring 30min~35min under conditions of 50r/min~70r/min, takes out diatomite and simultaneously washes
To neutral, diatomite is put into freeze-day with constant temperature 6h~8h in the baking oven that temperature is 370 DEG C~380 DEG C, the modified diatom is produced
Soil；
（2）Granulation：By step（1）In modification infusorial earth be well mixed and pelletize with haydite, re-sinter, the temperature of sintering is
700 DEG C~750 DEG C, hybrid particles are made；
（3）Coat activated alumina：By activated alumina and step（2）In hybrid particles add propane diols in, mix 6
H~7h, the temperature of mixing is 85 DEG C~90 DEG C, obtains being coated with the hybrid particles of activated alumina；
（4）Add storax：By storax and step（3）In be coated with the hybrid particles of activated alumina and be well mixed and make
Grain, is made the modification infusorial earth smoke abatement block.
Preferably, the step（1）It is middle to be put into diatomite in the hydrochloric acid solution that mass concentration is 7.5mol/L, in temperature
For 36 DEG C, mixing speed takes out diatomite and is simultaneously washed to neutrality, diatomite is put into stir 32min under conditions of 60r/min
Temperature is freeze-day with constant temperature 7h in 375 DEG C of baking oven, produces the modification infusorial earth.
Storax, the secreted resin of Hamamelidaceae Plants storax tree.Storax Pterostyrax arbor, Hamamelidaceae is high by 10
~15m.Leaf alternate；Has long handle；Stipule is small, caducous；Blade palmate 5 is split, and even to be split for 3 or 7, sliver is avette or rectangular avette, first
The anxious point in end, base portion is heart-shaped, and there is sawtooth at edge.Bark is wounded or cut as deep as woody part by early summer, botany bar gum is penetrated into bark.In
Autumn peels bark, squeezes botany bar gum, residue adds water boil after squeeze again, the face cream squeezed out is common storax.Dissolved
In alcohol, filtering boils off alcohol, then into styrax depuratus.Ward off dirty with having one's ideas straightened out, open strongly fragrant slit phlegm, effect of promoting qi circulation and relieving pain.
Haydite, is the particle of ceramic.The external appearance characteristic of haydite is largely rounded or oval-shaped ball, and its surface is one
The hard shell of layer, this layer of shell is in ceramic or enamel, protects gas effect with water proof, and assign haydite higher intensity.Pottery
It is 25 ㎜ that the particle diameter of grain, which is generally the maximum particle diameters of 5~20 ㎜,.The bulk density of haydite itself is less than 1100kg/m3, generally
300~900kg/m3.Haydite has good heat insulation property due to internal porous.
Activated alumina, also known as activated bauxite, are specially referred to as " activated alumina " using the usual of aluminum oxide in the catalyst,
It is a kind of porous, the solid material of high degree of dispersion, there is very big surface area, and its micropore surface possesses required by catalytic action
Characteristic, such as absorption property, surface-active, excellent heat endurance, thus be widely used as chemical reaction catalyst
And catalyst carrier.Activated alumina epigranular, surface is smooth, and mechanical strength is big, and hygroscopicity is strong, not swollen after water suction not split guarantor
Hold original state, nontoxic, odorless, water insoluble, ethanol.Activated alumina is a kind of efficient drying agent of minor amount of water depth drying.
After diatomite, the remains accumulative deposit of ancient times unicellular rudimentary plant diatom, formed by preliminary diagenesis
One kind there are porous biological silicalite.It is made up of the wall shell of diatom, there is multistage, a large amount of, orderly row on wall shell
The micropore of row, and diatomite the has characteristic such as density is small, specific surface area big, excellent adsorption, acidproof, alkaline-resisting, insulation, it is unique
Surface texture be adapted for use as sorbing material with excellent absorption property, and Chinese diatomite Resource management enriches,
It is cheap and easy to get.Diatomite is by unbodied SiO2Composition, and contain a small amount of Fe2O3、CaO、MgO、Al2O3And organic impurities.Diatom
Soil is generally in light yellow or light gray, and matter is soft, porous and light.Diatomaceous main component is silicic acid matter, with superfluorescent fiber, porous
The characteristics such as matter, go out 5000 to 6000 times more than its ultra tiny boring ratio charcoal.It is super on diatomite when humidity indoors rises
Micropore can be in automatic absorption air moisture, stored.If under the moisture reduction, humidity in room air
Drop, diatomite can just come out the water release being stored in ultra micro pore.Diatomite also has the function of eliminating peculiar smell, protects
Hold the effect of indoor cleaning.
A kind of modification infusorial earth smoke abatement block of the present invention and preparation method thereof, first carries out physical modification to diatomite and chemistry changes
Property, it can increase that diatomaceous specific surface area is big and aperture, specific surface area diatomaceous adsorbance increase when increasing, aperture increases
When diffusion rate of the impurity in diatomite hole accelerate, be conducive to reaching adsorption equilibrium；Play the diatomaceous adsorbance of increase and
Accelerate the effect that diatomite reaches adsorption equilibrium；Apatite and calcium hydroxide are added when preparing activated alumina so that preparing
Activated alumina resistance to elevated temperatures it is good, before roasting first preserve at low temperature, then high-temperature roasting can increase active oxygen again
Change the specific surface area of aluminium, while the performance of activated alumina can be made more stable；The haydite of addition has due to its internal porous
Good absorption property and thermal and insulating performance, can make that the modification infusorial earth smoke abatement block absorption property prepared is stronger, property
Can be more stable；The storax of addition can give out light fragrance, can improve the situation that there are various peculiar smell in air, simultaneously
Because the fat content of storax is very high, it acts as the effect of solvent, a large amount of black coal cigarettes can be adsorbed on its surface, be easy to simultaneously
Isolating black coal cigarette is used to prepare ink, ink etc., turns waste into wealth；The modification infusorial earth smoke abatement block performance prepared is stable, can
Recycling.
Compared with prior art, beneficial effects of the present invention have：
1st, modification infusorial earth smoke abatement block is convenient for carrying, it is adaptable to various occasions, can be used to remove the peculiar smell and oil smoke of indoor and outdoor.
2nd, modification infusorial earth smoke abatement block performance is stable, high recycling rate.
3rd, the manufacture craft of modification infusorial earth smoke abatement block is simple, and the effect of purification is strong, it is easy to industrialized production.
Embodiment
The following examples can help those skilled in the art that the present invention is more fully understood, but cannot be with any
Mode limits the present invention.
Embodiment 1：Prepare modification infusorial earth smoke abatement block
It is formulated and is：A kind of modification infusorial earth smoke abatement block, is made up of the component of following parts by weight：Particle diameter is 30 μm of diatomite 30
10 parts of haydite, 5 parts of the activated alumina, the mass percent of the storax each component of part, 5 parts of storax, particle diameter for 15 μm
Composition includes：Total balsamic acid is that 40%, resin is 35%, and surplus is impurity.
The preparation method of the activated alumina is：1）Using the apatite of 10 parts by weight, 5 parts by weight calcium hydroxide as
Stabilizer, which is added, is made stabiliser solution in ethanol solution；2）The aluminum oxide of 3 parts by weight is added in ethanol solution be made it is outstanding
Supernatant liquid；3）By step 1）In stabiliser solution add step 2）In suspension in stirring produce slurries, the speed of stirring is
100r/min；4）The pH value for adjusting the slurries is 4.0；5）Slurries are cooled to -5 DEG C and 30min is incubated, then slurries are put
Enter and 40min is calcined in baking oven, the temperature of roasting is 800 DEG C, produces the activated alumina.
Preparation method is：A kind of preparation method of modification infusorial earth smoke abatement block, comprises the following steps：
（1）Modification infusorial earth：Diatomite is put into the hydrochloric acid solution that mass concentration is 7mol/L, is 35 DEG C in temperature, stirring
Speed takes out diatomite and is simultaneously washed to neutrality to stir 30min under conditions of 50r/min, and diatomite is put into temperature for 370 DEG C
Baking oven in freeze-day with constant temperature 6h, produce the modification infusorial earth；
（2）Granulation：By step（1）In modification infusorial earth be well mixed and pelletize with haydite, re-sinter, the temperature of sintering is
700 DEG C, hybrid particles are made；
（3）Coat activated alumina：By activated alumina and step（2）In hybrid particles add propane diols in, mix 6
H, the temperature of mixing is 85 DEG C, obtains being coated with the hybrid particles of activated alumina；
（4）Add storax：By storax and step（3）In be coated with the hybrid particles of activated alumina and be well mixed and make
Grain, is made the modification infusorial earth smoke abatement block.
Embodiment 2：Prepare modification infusorial earth smoke abatement block
It is formulated and is：A kind of modification infusorial earth smoke abatement block, is made up of the component of following parts by weight：Particle diameter is 35 μm of diatomite 40
15 parts of haydite, 10 parts of the activated alumina, the mass percent of the storax each component of part, 8 parts of storax, particle diameter for 20 μm
Composition includes：Total balsamic acid is that 50%, resin is 40%, and surplus is impurity.
The preparation method of the activated alumina is：1）The calcium hydroxide of the apatite of 15 parts by weight, 10 parts by weight is made
Added for stabilizer and stabiliser solution is made in ethanol solution；2）The aluminum oxide of 5 parts by weight is added in ethanol solution and is made
Suspension；3）By step 1）In stabiliser solution add step 2）In suspension in stirring produce slurries, the speed of stirring
For 200r/min；4）The pH value for adjusting the slurries is 4.5；5）Slurries are cooled to 0 DEG C and 40min is incubated, then by slurries
It is put into baking oven and is calcined 50min, the temperature of roasting is 900 DEG C, produces the activated alumina.
Preparation method is：A kind of preparation method of modification infusorial earth smoke abatement block, comprises the following steps：
（1）Modification infusorial earth：Diatomite is put into the hydrochloric acid solution that mass concentration is 8mol/L, is 37 DEG C in temperature, stirring
Speed takes out diatomite and is simultaneously washed to neutrality to stir 35min under conditions of 70r/min, and diatomite is put into temperature for 380 DEG C
Baking oven in freeze-day with constant temperature 8h, produce the modification infusorial earth；
（2）Granulation：By step（1）In modification infusorial earth be well mixed and pelletize with haydite, re-sinter, the temperature of sintering is
750 DEG C, hybrid particles are made；
（3）Coat activated alumina：By activated alumina and step（2）In hybrid particles add propane diols in, mix
7h, the temperature of mixing is 90 DEG C, obtains being coated with the hybrid particles of activated alumina；
（4）Add storax：By storax and step（3）In be coated with the hybrid particles of activated alumina and be well mixed and make
Grain, is made the modification infusorial earth smoke abatement block.
Embodiment 3：Prepare modification infusorial earth smoke abatement block
It is formulated and is：A kind of modification infusorial earth smoke abatement block, is made up of the component of following parts by weight：Particle diameter is 32 μm of diatomite 35
12 parts of haydite, 8 parts of the activated alumina, the mass percent of the storax each component of part, 7 parts of storax, particle diameter for 18 μm
Composition includes：Total balsamic acid is that 45%, resin is 38%, and surplus is impurity.
The preparation method of the activated alumina is：1）Using the apatite of 12 parts by weight, 8 parts by weight calcium hydroxide as
Stabilizer, which is added, is made stabiliser solution in ethanol solution；2）The aluminum oxide of 4 parts by weight is added in ethanol solution be made it is outstanding
Supernatant liquid；3）By step 1）In stabiliser solution add step 2）In suspension in stirring produce slurries, the speed of stirring is
150r/min；4）The pH value of the slurries is adjusted between 4.2；5）Slurries are cooled to -3 DEG C and 35min is incubated, then will slurry
Liquid, which is put into baking oven, is calcined 45min, and the temperature of roasting is 850 DEG C, produces the activated alumina.
Preparation method is：A kind of preparation method of modification infusorial earth smoke abatement block, comprises the following steps：
（1）Modification infusorial earth：Diatomite is put into the hydrochloric acid solution that mass concentration is 7.5mol/L, is 36 DEG C in temperature, stirs
Mix speed to stir 32min under conditions of 60r/min, take out diatomite and be washed to neutrality, it is 375 that diatomite is put into temperature
DEG C baking oven in freeze-day with constant temperature 7h, produce the modification infusorial earth；
（2）Granulation：By step（1）In modification infusorial earth be well mixed and pelletize with haydite, re-sinter, the temperature of sintering is
720 DEG C, hybrid particles are made；
（3）Coat activated alumina：By activated alumina and step（2）In hybrid particles add propane diols in, mix
6.5h, the temperature of mixing is 88 DEG C, obtains being coated with the hybrid particles of activated alumina；
（4）Add storax：By storax and step（3）In be coated with the hybrid particles of activated alumina and be well mixed and make
Grain, is made the modification infusorial earth smoke abatement block.
Embodiment 4：Prepare modification infusorial earth smoke abatement block
It is formulated and is：A kind of modification infusorial earth smoke abatement block, is made up of the component of following parts by weight：Particle diameter is 32 μm of diatomite 35
12 parts of haydite, 8 parts of the activated alumina, the mass percent of the storax each component of part, 7 parts of storax, particle diameter for 18 μm
Composition includes：Total balsamic acid is that 45%, resin is 38%, and surplus is impurity.
The preparation method of the activated alumina is：1）Using the apatite of 12 parts by weight, 8 parts by weight calcium hydroxide as
Stabilizer, which is added, is made stabiliser solution in ethanol solution；2）The aluminum oxide of 4 parts by weight is added in ethanol solution be made it is outstanding
Supernatant liquid；3）By step 1）In stabiliser solution add step 2）In suspension in stirring produce slurries, the speed of stirring is
150r/min；4）The pH value of the slurries is adjusted between 4.2；5）Then slurries are put into baking oven and are calcined 45min, roasting
Temperature is 850 DEG C, produces the activated alumina.
Preparation method is：A kind of preparation method of modification infusorial earth smoke abatement block, comprises the following steps：
（1）Modification infusorial earth：Diatomite is put into the hydrochloric acid solution that mass concentration is 7.5mol/L, is 36 DEG C in temperature, stirs
Mix speed to stir 32min under conditions of 60r/min, take out diatomite and be washed to neutrality, it is 375 that diatomite is put into temperature
DEG C baking oven in freeze-day with constant temperature 7h, produce the modification infusorial earth；
（2）Granulation：By step（1）In modification infusorial earth be well mixed and pelletize with haydite, re-sinter, the temperature of sintering is
720 DEG C, hybrid particles are made；
（3）Coat activated alumina：By activated alumina and step（2）In hybrid particles add propane diols in, mix
6.5h, the temperature of mixing is 88 DEG C, obtains being coated with the hybrid particles of activated alumina；
（4）Add storax：By storax and step（3）In be coated with the hybrid particles of activated alumina and be well mixed and make
Grain, is made the modification infusorial earth smoke abatement block.
Comparative example 1
It is formulated and is：A kind of modification infusorial earth smoke abatement block, is made up of the component of following parts by weight：Particle diameter is 32 μm of diatomite 35
12 parts of haydite, 8 parts of the activated alumina of part, particle diameter for 18 μm.
The preparation method of the activated alumina is：1）Using the apatite of 12 parts by weight, 8 parts by weight calcium hydroxide as
Stabilizer, which is added, is made stabiliser solution in ethanol solution；2）The aluminum oxide of 4 parts by weight is added in ethanol solution be made it is outstanding
Supernatant liquid；3）By step 1）In stabiliser solution add step 2）In suspension in stirring produce slurries, the speed of stirring is
150r/min；4）The pH value of the slurries is adjusted between 4.2；5）Slurries are cooled to -3 DEG C and 35min is incubated, then will slurry
Liquid, which is put into baking oven, is calcined 45min, and the temperature of roasting is 850 DEG C, produces the activated alumina.
Preparation method is：A kind of preparation method of modification infusorial earth smoke abatement block, comprises the following steps：
（1）Modification infusorial earth：Diatomite is put into the hydrochloric acid solution that mass concentration is 7.5mol/L, is 36 DEG C in temperature, stirs
Mix speed to stir 32min under conditions of 60r/min, take out diatomite and be washed to neutrality, it is 375 that diatomite is put into temperature
DEG C baking oven in freeze-day with constant temperature 7h, produce the modification infusorial earth；
（2）Granulation：By step（1）In modification infusorial earth be well mixed and pelletize with haydite, re-sinter, the temperature of sintering is
720 DEG C, hybrid particles are made；
（3）Coat activated alumina：By activated alumina and step（2）In hybrid particles add propane diols in, mix
6.5h, the temperature of mixing is 88 DEG C, obtains being coated with the hybrid particles of activated alumina, as described modification infusorial earth is removed
Cigarette block.
Table 1 below provides the performance measurement result of modification infusorial earth smoke abatement block made from embodiment 1-4 and comparative example 1.
Table 1
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 |
| When oil smoke concentration is 5.0mg/ m3, the adsorption rate of oil smoke/（%） | 90.7 | 91.9 | 92.5 | 84.4 | 86.6 |
| The rate of recovery of the ink of absorption/（%） | 80.2 | 80.4 | 80.8 | 80.0 | 76.3 |
| Water imbibition/（%） | 320 | 340 | 360 | 300 | 330 |
This hair is can be seen that from the performance measurement result of modification infusorial earth smoke abatement block made from upper table embodiment 1-4 and comparative example 1
Bright a kind of modification infusorial earth smoke abatement block and preparation method thereof, the effect of the modification infusorial earth smoke abatement block purification prepared is strong, inhale
Wet effect is strong, rate of recovery height to ink.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (9)
1. a kind of modification infusorial earth smoke abatement block, it is characterised in that the modification infusorial earth smoke abatement block by following parts by weight component
Composition：30~40 parts of diatomite, 5~8 parts of storax, 10~15 parts of haydite, 5~10 parts of activated alumina.
2. a kind of modification infusorial earth smoke abatement block according to claim 1, it is characterised in that the diatomaceous particle diameter is 30
μm~35 μm.
3. a kind of modification infusorial earth smoke abatement block according to claim 1, it is characterised in that the storax is block solid
Body, the mass percent composition of each component includes：Total balsamic acid is that 40%~50%, resin is 35%~40%, and surplus is impurity.
4. a kind of modification infusorial earth smoke abatement block according to claim 1, it is characterised in that the particle diameter of the haydite is 15 μm
~20 μm.
5. a kind of modification infusorial earth smoke abatement block according to claim 1, it is characterised in that the preparation of the activated alumina
Method is：1）The calcium hydroxide of the apatite of 10~15 parts by weight, 5~10 parts by weight is added in ethanol solution as stabilizer
Stabiliser solution is made；2）The aluminum oxide of 3~5 parts by weight is added in ethanol solution suspension is made；3）By step 1）In
Stabiliser solution add step 2）In suspension in stirring produce slurries, the speed of stirring is 100~200r/min；4）Adjust
The pH value of the slurries is saved between 4.0~4.5；5）Slurries are cooled to -5 DEG C~0 DEG C and 30min~40min is incubated, then
Slurries are put into roasting 40min~50min in baking oven, the temperature of roasting is 800 DEG C~900 DEG C, produces the activated alumina.
6. a kind of modification infusorial earth smoke abatement block according to claim 1, it is characterised in that the modification infusorial earth smoke abatement block
It is made up of the component of following parts by weight：35 parts of diatomite, 7 parts of storax, 12 parts of haydite, 8 parts of activated alumina.
7. a kind of modification infusorial earth smoke abatement block in claim 1-6 described in any one, it is characterised in that the smoke abatement block exists
Remove the application in terms of the peculiar smell and oil smoke of indoor and outdoor.
8. a kind of preparation method of modification infusorial earth smoke abatement block in claim 1-6 described in any one, it is characterised in that bag
Include following steps：
（1）Modification infusorial earth：Diatomite is put into the hydrochloric acid solution that mass concentration is 7mol/L~8mol/L, is 35 in temperature
DEG C~37 DEG C, mixing speed is stirring 30min~35min under conditions of 50r/min~70r/min, takes out diatomite and simultaneously washes
To neutral, diatomite is put into freeze-day with constant temperature 6h~8h in the baking oven that temperature is 370 DEG C~380 DEG C, the modified diatom is produced
Soil；
（2）Granulation：By step（1）In modification infusorial earth be well mixed and pelletize with haydite, re-sinter, the temperature of sintering is
700 DEG C~750 DEG C, hybrid particles are made；
（3）Coat activated alumina：By activated alumina and step（2）In hybrid particles add propane diols in, mix 6
H~7h, the temperature of mixing is 85 DEG C~90 DEG C, obtains being coated with the hybrid particles of activated alumina；
（4）Add storax：By storax and step（3）In be coated with the hybrid particles of activated alumina and be well mixed and make
Grain, is made the modification infusorial earth smoke abatement block.
9. a kind of preparation method of modification infusorial earth smoke abatement block according to claim 8, it is characterised in that the step
（1）It is middle to be put into diatomite in the hydrochloric acid solution that mass concentration is 7.5mol/L, it is 36 DEG C in temperature, mixing speed is 60r/
32min is stirred under conditions of min, diatomite is taken out and is washed to neutrality, diatomite is put into permanent in the baking oven that temperature is 375 DEG C
Temperature dries 7h, produces the modification infusorial earth.
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