CN109092514A - A kind of preparation method of high fluidity silica flour - Google Patents
A kind of preparation method of high fluidity silica flour Download PDFInfo
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- CN109092514A CN109092514A CN201810828657.5A CN201810828657A CN109092514A CN 109092514 A CN109092514 A CN 109092514A CN 201810828657 A CN201810828657 A CN 201810828657A CN 109092514 A CN109092514 A CN 109092514A
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- Prior art keywords
- silica flour
- combustion furnace
- high fluidity
- preparation
- crush box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/126—Preparation of silica of undetermined type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Disintegrating Or Milling (AREA)
- Silicon Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of high fluidity silica flour comprising following steps: S1, preliminary crushing: utilizing pulverization roller to cooperate and carries out stone pulverizing；S2, preliminary sieving: crushing box bottom is fallen on after the building stones using strainer filtering bulky grain；S3, burn powder processed: by angular silica flour with amorphous granular is molten into first in combustion furnace, shrinking at once when being rapidly cooled after it leaves high-temperature field becomes spheric granules；S4, collection are simultaneously packed: spheric granules silica flour falls in material collecting box the silica flour finished product that high fluidity is made, and extraction material collecting box is packaged storage to the silica flour finished product of high fluidity.The invention is easy to operate time saving and energy saving, improves the mobility of silica flour, accelerates working efficiency, and safety and stability.
Description
Technical field
The invention belongs to the preparation technical fields of silica flour, are specifically related to a kind of preparation side of high fluidity silica flour
Method.
Background technique
Silica flour is also known as silicon powder, quartz sand, is a kind of hard, wear-resisting, stable chemical performance silicate mineral, master
Wanting mineralogical composition is SiO2, and color is milky or semi-transparent clear shape, hardness 7, the crisp no cleavage of property, conchoidal fracture, oil
Rouge gloss, density 2.65, bulk density (20-200 mesh is 1.5), chemistry, calorifics and mechanical performance have apparent incorgruous
Property, insoluble in acid, it is slightly soluble in KOH solution, 1650 DEG C of fusing point.After the quartz gone out from mining is processed, but stringent
It says, product of the general fineness below 120 mesh (less than 120 mesh) claims quartz sand, and the product more than 120 mesh is known as silica flour.Stone
English powder is regardless of grade, divider lattice.Because it has whiteness height, free from admixture, the features such as iron is low, therefore have a wide range of application.
Chinese patent application 201510196169.3 discloses a kind of silica flour surface-active composite modifying method comprising
Following steps: (1) by a certain amount of silica flour to be modified to stir at low speed 4~6 minutes, then with high-speed stirred 10~15 minutes；
(2) silane coupling agent and methanol are weighed respectively by the 0.3~0.4% of silica flour weight, 0.35~0.45%, the two is uniformly mixed
It is added in silica flour afterwards, to stir at low speed 1~3 minute, then with high-speed stirred 12~16 minutes；(3) by silica flour weight
0.04~0.1% is added stearic acid, with high-speed stirred 1~3 minute to get arriving required silica flour.
But above-mentioned silica flour in the prior art can not change and improve its mobility when preparation,
It also needs in addition to increase equipment to improve the mobility of silica flour and the silica flour prepared is modified, on the one hand operate fiber crops
It is tired, preparation cost is increased, preparation efficiency is on the other hand reduced, duration is expended, consumes a large amount of labours.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of high fluidity silica flour, to solve in above-mentioned background technique
It is proposed that silica flour can not change and improve its mobility when preparation in the prior art, in order to improve silica flour
Mobility, which also needs in addition to increase equipment, is modified the silica flour prepared, and increasing preparation cost reduces preparation effect
The technical issues of rate expends duration, consumes a large amount of labours.
To achieve the above object, present invention employs following technical solutions:
A kind of preparation method of high fluidity silica flour comprising following steps:
S1, it tentatively crushes: driving pulverization roller rotation using electric cabinet control motor, then quartz mineral aggregate is added from feed hopper
In crush box, the two groups of pulverization rollers cooperation being rotated carries out stone pulverizing；
S2, preliminary sieving: smashed building stones fall on crushing box bottom after the building stones of two groups of strainer filtering bulky grains, extraction
Strainer can crush the building stones of bulky grain from newly pouring into feed hopper；
S3, it burns powder processed: opening the valve on gas pipeline, recycle electric cabinet control air pump and ignition work, benefit
The silica flour of crushing box bottom is sprayed onto combustion furnace from nozzle with air pump, angular silica flour is transported to electronic ignition with air-flow
In the flame that device and combustion gas cooperation generate, when angular powder passes through thermal-flame field, it is molten into amorphous granular first, when
It, which leaves to shrink at once when being rapidly cooled behind high-temperature field, becomes spheric granules；
S4, collection are simultaneously packed: spheric granules finally falls in material collecting box the silica flour finished product that high fluidity is made, and extracts material collecting box out
Storage is packaged to the silica flour finished product of high fluidity.
Preferably, in step sl, the quartz mineral aggregate is using preceding needing to knock stone machine to the quartz of bulk with Hubei Province formula
Mineral aggregate is processed into the building stones of fritter, is crushed so that quartz mineral aggregate can be put into feed hopper.
Preferably, in step s3, the high temperature that the flame combustion that the ignition and combustion gas cooperation generate generates
It is discharged by escape pipe, is finally entered in crush box by air inlet pipe and the building stones of crushing are preheated, and pass through air intake valve
It can be in order to controlling the size of flame combustion.
Preferably, in step s3, the combustion gas being passed through in the gas pipeline includes acetylene gas, oil liquefied gas, hydrogen
Gas or natural gas.
Preferably, in step s3, in order to improve the mobility of silica flour, and energy consumption is reduced, the fuel gas conduit
The combustion gas being passed through in road is that the volume ratio κ of the mixed gas of acetylene gas and oxygen is (1.5-2.2): (4.3-6.2), the height
Warm T is 1850-3230 DEG C.Further, the volume ratio κ and high temperature T meets κ T and is less than or equal to more than or equal to 780
1540。
Preferably, in step s3, the specification D of the spheric granules is 400-1000 mesh.Further, in order into one
The mobility of step raising silica flour, the volume ratio κ of the mixed gas of the specification D and acetylene gas and oxygen of the spheric granules,
High temperature T meets following relationship:
D=T/ [ ε (1/ κ) ]；
Wherein, ε is the specification coefficient of the spheric granules, value range 1.05-2.78；(1/ κ) is bulk factor；Above formula
Numerical value calculating is only carried out, unit-distance code is not related to.
Above-mentioned preparation method use a kind of high fluidity silica flour preparation facilities, the preparation facilities include crush box and
The bottom outside of combustion furnace, the crush box and combustion furnace is mounted on shock-absorbing leg, be provided at the top of the crush box into
Hopper, and the inside of crush box is fixedly installed with two groups of mutually matched pulverization rollers, the front top of the crush box by bearing
End side is fixedly installed with the motor with pulverization roller transmission connection, and the bottom end that pulverization roller is located on the inner wall of the crush box is equipped with
Limiting slot, and strainer is slidably connected in limiting slot, the side of the crush box is provided with air inlet pipe, and the other side of crush box
It is fixedly installed with air pump, the input terminal of the air pump is connected with dust hood, and the output of air pump through the side bottom end of crush box
End is connected with the nozzle through combustion furnace side upper end by pipeline, is fixedly installed with electronic ignition on the inner wall of the combustion furnace
Device.
The gas pipeline being connected with the electronic igniter, the positive bottom end of the combustion furnace are fixed on the outside of the combustion furnace
It is connected with air intake valve, and the inner bottom of combustion furnace slidably connects material collecting box, is welded with outlet at the top of the combustion furnace
Pipe, and escape pipe is fixedly connected by pipeline with air inlet pipe.
Preferably, the strainer is at least provided with two groups, and the end of two groups of strainers is connected with band pull block through crush box
End cap.
Preferably, the inner bottom inclination 10-20 degree setting of the crush box, and dust hood is located at crush box introversion inclined portion
Bottom end.
Preferably, the inside of the gas pipeline is equipped with valve, and the surface of gas pipeline is equipped with to be driven with valve and connect
The adjustable handrail connect.
Preferably, the air intake valve includes the guide rail positioned at air inlet upper and lower side, and is slidably connected between guide rail viscous
Paste the baffle of gasket seal.
Preferably, the inner bottom of the combustion furnace is equipped with sliding slot, and the bottom end of material collecting box is equipped with opposite with sliding slot size
The sliding block answered, the outer end of the material collecting box are equipped with pull slot through combustion furnace, and combustion furnace be pasted with material collecting box junction it is close
Seal washer.
Preferably, the positive side of the crush box be embedded with electric cabinet, and electric cabinet by conducting wire respectively with motor, gas
Pump is connected with ignition.
Preferably, the shock-absorbing leg is that supporting leg lower part is provided with resilient cushion, the resilient cushion by rubber or
Polyethylene is made.
Compared with prior art, technical effect and advantage of the invention:
1, the preparation method of high fluidity silica flour of the invention is convenient for by the pulverization roller that variable-frequency motor drives quartzy stone ore
Feed powder is broken into silica flour, and cooperates multi-group filter net that can sieve to silica flour, improves the quality of silica flour；
2, the preparation method of high fluidity silica flour of the invention, using air pump cooperation electronics point in silica flour sucking combustion furnace
Firearm can be molten into amorphous granular to silica flour, then when leaving and be rapidly cooled behind high-temperature field by freely falling body receives at once
Contracting becomes spheric granules, improves the mobility of silica flour；
3, the preparation method of high fluidity silica flour of the invention, escape pipe is connect with air inlet pipe by pipeline can be combustion furnace
Interior high temperature is passed through in crush box and preheats to the building stones of crushing, reduces energy consumption；
4, the preparation method of high fluidity silica flour of the invention, by the combustion gas that is passed through in setting gas pipeline be acetylene gas with
The volume of the mixed gas of the oxygen when relationship with high temperature T, improves the mobility of silica flour, and reduce energy consumption；
5, the preparation method of high fluidity silica flour of the invention, by be arranged the spheric granules specification and acetylene gas with
The relationship met between volume ratio κ, the high temperature T of the mixed gas of oxygen, to further increase the mobility of silica flour.
Detailed description of the invention
Fig. 1 is the preparation method flow chart of high fluidity silica flour of the invention；
Fig. 2 is the preparation facilities schematic diagram of high fluidity silica flour of the invention；
Fig. 3 is the preparation facilities cross-sectional view of high fluidity silica flour of the invention.
In Fig. 2-3: 1 crush box, 2 feed hoppers, 3 pulverization rollers, 4 variable-frequency motors, 5 limiting slots, 6 strainers, 7 air inlet pipe, 8 gas
Pump, 9 dust hoods, 10 nozzles, 11 combustion furnaces, 12 ignitions, 13 gas pipelines, 14 valves, 15 escape pipes, 16 intake valves
Door, 17 material collecting box, 18 sliding slots, 19 sliding blocks, 20 shock-absorbing legs, 21 electric cabinets.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment 1
As shown in Figure 1, a kind of preparation method of high fluidity silica flour comprising following steps:
S1, it preliminary crushes: driving pulverization roller to rotate using electric cabinet control variable-frequency motor, then quartz mineral aggregate from feed hopper
It is added in crush box, the two groups of pulverization rollers cooperation being rotated carries out stone pulverizing；
S2, preliminary sieving: smashed building stones fall on crushing box bottom after the building stones of two groups of strainer filtering bulky grains, extraction
Strainer from feed hopper is newly poured into can carry out the building stones of bulky grain to crush or be used as other approach；
S3, it burns powder processed: opening the valve in gas pipeline manually, recycle electric cabinet control air pump and ignition work
Make, the silica flour of crushing box bottom is sprayed onto combustion furnace from nozzle using air pump, angular silica flour is transported to electricity with air-flow
In the flame that sub- igniter and combustion gas cooperation generate, when angular powder passes through thermal-flame field, it is molten into first amorphous
Particle, shrinking at once when being rapidly cooled after it leaves high-temperature field by freely falling body becomes spheric granules；
S4, collection are simultaneously packed: the spheric granules silica flour finally fall in material collecting box be made the silica flour of high fluidity at
Product, extraction material collecting box are packaged storage to the silica flour finished product of high fluidity.
In step sl, the quartz mineral aggregate uses the quartz mineral aggregate processing for preceding needing to knock stone machine to bulk with Hubei Province formula
At the building stones of fritter, crushed so that quartz mineral aggregate can be put into feed hopper.
The combustion gas being passed through in the gas pipeline includes the flammable gas such as acetylene gas, oil liquefied gas or natural gas
Body.
In step s3, in order to improve the mobility of silica flour, and energy consumption is reduced, is passed through in the gas pipeline
Combustion gas be acetylene gas and oxygen mixed gas volume ratio κ be (1.5-2.2): (4.3-6.2), the high temperature T are
1850-3230℃。
Further, the volume ratio κ and high temperature T meets κ T and is less than or equal to 1540 more than or equal to 780.
In step s3, the specification D of the spheric granules is 400-1000 mesh.Further, in order to further increase
The mobility of silica flour, volume ratio κ, the high temperature T of the mixed gas of the specification D and acetylene gas and oxygen of the spheric granules are full
It is enough lower relationship:
D=T/ [ ε (1/ κ) ]；
Wherein, ε is the specification coefficient of the spheric granules, value range 1.05-2.78；(1/ κ) is bulk factor；Above formula
Numerical value calculating is only carried out, unit-distance code is not related to.
As Figure 2-3, the present invention also provides a kind of preparation facilities of mobility silica flour, for above-mentioned preparation side
Among method, the preparation facilities includes crush box 1 and combustion furnace 11, and the bottom outside of the crush box 1 and combustion furnace 11 is equal
Shock-absorbing leg 20 is installed, the top of the crush box 1 is welded with feed hopper 2, and the inside of crush box 1 is pacified by the way that bearing is fixed
Equipped with two groups of mutually matched pulverization rollers 3, the positive top side of the crush box 1, which is fixedly installed with to be driven with pulverization roller 3, to be connected
The variable-frequency motor 4 connect, the bottom end that pulverization roller 3 is located on the inner wall of the crush box 1 are equipped with limiting slot 5, and sliding in limiting slot 5
It is connected with strainer 6, the side of the crush box 1 is welded with air inlet pipe 7, and the other side of crush box 1 is fixedly installed with air pump 8,
The input terminal of the air pump 8 is connected with dust hood 9 through the side bottom end of crush box 1, and the output end of air pump 8 is connected by pipeline
It is connected to the nozzle 10 through 11 side upper end of combustion furnace, is fixedly installed with ignition 12 on the inner wall of the combustion furnace 11.
The outside of combustion furnace 11 is fixed with the gas pipeline 13 being connected to ignition 12, the front of the combustion furnace 11
Bottom end slidably connects air intake valve 16, and the inner bottom of combustion furnace 11 slidably connects material collecting box 17, the combustion furnace 11
Top be welded with escape pipe 15, and escape pipe 15 is fixedly connected by pipeline with air inlet pipe 7.
The strainer 6 is at least provided with two groups, and the end of two groups of strainers 6 is connected with the end with pull block through crush box 1
Lid.It can be improved the screening effect of silica flour by multi-group filter net 6, and the end cap with pull block can be in order to extracting strainer 6 out.
The inner bottom inclination 10-20 degree setting of the crush box 1, and dust hood 9 is located at the bottom of 1 introversion inclined portion of crush box
End.It can be in order to the stone using air pump 81 inner bottom of crush box by the bottom end that dust hood 9 is located at 1 introversion inclined portion of crush box
English powder sucks in combustion furnace 11.
The inside of the gas pipeline 13 is equipped with valve 14, and the surface of gas pipeline 13 is equipped with to be driven with valve 14 and connect
The adjustable handrail connect.It can be in order to controlling 13 internal combustion of gas pipeline by valve 14 and the adjustable handrail being sequentially connected with valve 14
The conduction amount of gas.
The air intake valve 16 includes the guide rail positioned at air inlet upper and lower side, and adhesive seal is slidably connected between guide rail
The baffle of gasket.By the baffle of adhesive seal gasket between guide rail and guide rail can in order to adjust the space size of air inlet,
It is easy to adjust, to realize the size of control flame combustion.
The inner bottom of the combustion furnace 11 is equipped with sliding slot 18, and the bottom end of material collecting box 17 is equipped with opposite with 18 size of sliding slot
The outer end of the sliding block 19 answered, the material collecting box 17 is equipped with pull slot through combustion furnace 11, and combustion furnace 11 is connect with material collecting box 17
Place is pasted with seal washer.It can be slided by sliding slot 18 and sliding block 19 in order to material collecting box 17 and combustion furnace 11, and pull slot can
To facilitate the extraction of material collecting box 17 and promote combustion furnace 11, can be improved between material collecting box 17 and combustion furnace 11 using seal washer
Leakproofness.
The positive side of the crush box 1 be embedded with electric cabinet 21, and electric cabinet 21 by conducting wire respectively with variable-frequency motor
4, air pump 8 and ignition 12 connect.
In summary: the pulverization roller 3 that the invention is driven by variable-frequency motor 4 is convenient for quartz mineral aggregate to be ground into quartz
Powder, and cooperate multi-group filter net 6 that can sieve to silica flour, it is electric cooperating in silica flour sucking combustion furnace 11 using air pump 8
Sub- igniter 12 can be molten into amorphous granular to silica flour, then be left when being rapidly cooled behind high-temperature field by freely falling body
At once shrinking becomes spheric granules, and escape pipe 15 is connect and the high temperature in combustion furnace 11 can be passed through by pipeline with air inlet pipe 7
The building stones of crushing are preheated in crush box 1, which designs advantages of simple, and it is easy to operate time saving and energy saving, improve stone
The mobility of English powder accelerates working efficiency.
Embodiment 2
As shown in Figure 1, a kind of preparation method of high fluidity silica flour comprising following steps:
S1, it preliminary crushes: driving pulverization roller to rotate using electric cabinet control variable-frequency motor, then quartz mineral aggregate from feed hopper
It is added in crush box, the two groups of pulverization rollers cooperation being rotated carries out stone pulverizing；
S2, preliminary sieving: smashed building stones fall on crushing box bottom after the building stones of two groups of strainer filtering bulky grains, extraction
Strainer from feed hopper is newly poured into can carry out the building stones of bulky grain to crush or be used as other approach；
S3, it burns powder processed: opening the valve in gas pipeline manually, recycle electric cabinet control air pump and ignition work
Make, the silica flour of crushing box bottom is sprayed onto combustion furnace from nozzle using air pump, angular silica flour is transported to electricity with air-flow
In the flame that sub- igniter and combustion gas cooperation generate, when angular powder passes through thermal-flame field, it is molten into first amorphous
Particle, shrinking at once when being rapidly cooled after it leaves high-temperature field by freely falling body becomes spheric granules；
S4, collection are simultaneously packed: the spheric granules silica flour finally fall in material collecting box be made the silica flour of high fluidity at
Product, extraction material collecting box are packaged storage to the silica flour finished product of high fluidity.
In step sl, the quartz mineral aggregate uses the quartz mineral aggregate processing for preceding needing to knock stone machine to bulk with Hubei Province formula
At the building stones of fritter, crushed so that quartz mineral aggregate can be put into feed hopper.
In step s3, the high temperature that the flame combustion that the ignition and combustion gas cooperation generate generates passes through outlet
Pipe discharge, then is entered in crush box by air inlet pipe and is preheated to the building stones of crushing, and can be in order to controlling by air intake valve
The size of flame combustion processed.The combustion gas being passed through in the gas pipeline is hydrogen.
As Figure 2-3, the present invention also provides a kind of preparation facilities of mobility silica flour, for above-mentioned preparation side
Among method, the preparation facilities includes crush box 1 and combustion furnace 11, and the bottom outside of the crush box 1 and combustion furnace 11 is equal
Shock-absorbing leg 20 is installed, the top of the crush box 1 is welded with feed hopper 2, and the inside of crush box 1 is pacified by the way that bearing is fixed
Equipped with two groups of mutually matched pulverization rollers 3, the positive top side of the crush box 1, which is fixedly installed with to be driven with pulverization roller 3, to be connected
The variable-frequency motor 4 connect, the bottom end that pulverization roller 3 is located on the inner wall of the crush box 1 are equipped with limiting slot 5, and sliding in limiting slot 5
It is connected with strainer 6, the side of the crush box 1 is welded with air inlet pipe 7, and the other side of crush box 1 is fixedly installed with air pump 8,
The input terminal of the air pump 8 is connected with dust hood 9 through the side bottom end of crush box 1, and the output end of air pump 8 is connected by pipeline
It is connected to the nozzle 10 through 11 side upper end of combustion furnace, is fixedly installed with ignition 12 on the inner wall of the combustion furnace 11.
The outside of combustion furnace 11 is fixed with the gas pipeline 13 being connected to ignition 12, the front of the combustion furnace 11
Bottom end slidably connects air intake valve 16, and the inner bottom of combustion furnace 11 slidably connects material collecting box 17, the combustion furnace 11
Top be welded with escape pipe 15, and escape pipe 15 is fixedly connected by pipeline with air inlet pipe 7.
The strainer 6 is at least provided with two groups, and the end of two groups of strainers 6 is connected with the end with pull block through crush box 1
Lid.It can be improved the screening effect of silica flour by multi-group filter net 6, and the end cap with pull block can be in order to extracting strainer 6 out.
The inner bottom inclination 10-20 degree setting of the crush box 1, and dust hood 9 is located at the bottom of 1 introversion inclined portion of crush box
End.It can be in order to the stone using air pump 81 inner bottom of crush box by the bottom end that dust hood 9 is located at 1 introversion inclined portion of crush box
English powder sucks in combustion furnace 11.
The inside of the gas pipeline 13 is equipped with valve 14, and the surface of gas pipeline 13 is equipped with to be driven with valve 14 and connect
The adjustable handrail connect.It can be in order to controlling 13 internal combustion of gas pipeline by valve 14 and the adjustable handrail being sequentially connected with valve 14
The conduction amount of gas.
The air intake valve 16 includes the guide rail positioned at air inlet upper and lower side, and adhesive seal is slidably connected between guide rail
The baffle of gasket.By the baffle of adhesive seal gasket between guide rail and guide rail can in order to adjust the space size of air inlet,
It is easy to adjust, to realize the size of control flame combustion.
The inner bottom of the combustion furnace 11 is equipped with sliding slot 18, and the bottom end of material collecting box 17 is equipped with opposite with 18 size of sliding slot
The outer end of the sliding block 19 answered, the material collecting box 17 is equipped with pull slot through combustion furnace 11, and combustion furnace 11 is connect with material collecting box 17
Place is pasted with seal washer.It can be slided by sliding slot 18 and sliding block 19 in order to material collecting box 17 and combustion furnace 11, and pull slot can
To facilitate the extraction of material collecting box 17 and promote combustion furnace 11, can be improved between material collecting box 17 and combustion furnace 11 using seal washer
Leakproofness.
The positive side of the crush box 1 be embedded with electric cabinet 21, and electric cabinet 21 by conducting wire respectively with variable-frequency motor
4, air pump 8 and ignition 12 connect.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of preparation method of high fluidity silica flour, which is characterized in that the preparation method includes the following steps:
S1, it preliminary crushes: driving pulverization roller to rotate using electric cabinet control variable-frequency motor, then quartz mineral aggregate from feed hopper
It is added in crush box, the two groups of pulverization rollers cooperation being rotated carries out stone pulverizing；
S2, preliminary sieving: smashed building stones fall on crushing box bottom after the building stones of two groups of strainer filtering bulky grains, extraction
Strainer can crush the building stones of bulky grain from newly pouring into feed hopper；
S3, it burns powder processed: opening the valve in gas pipeline manually, recycle electric cabinet control air pump and ignition work
Make, the silica flour of crushing box bottom is sprayed onto combustion furnace from nozzle using air pump, angular silica flour is transported to electricity with air-flow
In the flame that sub- igniter and combustion gas cooperation generate, when angular powder passes through thermal-flame field, it is molten into first amorphous
Particle, shrinking at once when being rapidly cooled after it leaves high-temperature field by freely falling body becomes spheric granules；
S4, collection are simultaneously packed: the spheric granules silica flour finally fall in material collecting box be made the silica flour of high fluidity at
Product, extraction material collecting box are packaged storage to the silica flour finished product of high fluidity.
2. a kind of preparation method of high fluidity silica flour according to claim 1, it is characterised in that: in step sl,
The quartz mineral aggregate is using preceding needing to knock the building stones that stone machine is processed into the quartz mineral aggregate of bulk fritter with Hubei Province formula.
3. a kind of preparation method of high fluidity silica flour according to claim 1 or 2, it is characterised in that: the system
Preparation Method uses a kind of preparation facilities of high fluidity silica flour, which includes crush box (1) and combustion furnace (11), institute
The bottom outside for stating crush box (1) and combustion furnace (11) is mounted on shock-absorbing leg (20), the top setting of the crush box (1)
Have feed hopper (2), and the inside of crush box (1) is fixedly installed with two groups of mutually matched pulverization rollers (3), the powder by bearing
The positive top side of broken case (1) be fixedly installed with pulverization roller (3) transmission connection motor (4), the crush box (1) it is interior
Bottom end on wall positioned at pulverization roller (3) is equipped with limiting slot (5), and slidably connects strainer (6) in limiting slot (5)；The crushing
The side of case (1) is provided with air inlet pipe (7), and the other side of crush box (1) is fixedly installed with air pump (8), the air pump (8)
Input terminal is connected with dust hood (9) through the side bottom end of crush box (1), and the output end of air pump (8) is connected with by pipeline
Nozzle (10) through combustion furnace (11) side upper end is fixedly installed with ignition on the inner wall of the combustion furnace (11)
(12).
4. a kind of preparation method of high fluidity silica flour according to claim 3, it is characterised in that: the combustion furnace
(11) gas pipeline (13) being connected to ignition (12) is fixed on the outside of, the positive bottom end of the combustion furnace (11) is sliding
It is dynamic to be connected with air intake valve (16), and the inner bottom of combustion furnace (11) slidably connects material collecting box (17).
5. a kind of preparation method of high fluidity silica flour according to claim 3 or 4, it is characterised in that: the crushing
The inner bottom inclination 10-20 degree setting of case (1), and dust hood (9) is located at the bottom end of crush box (1) introversion inclined portion.
6. a kind of preparation method of high fluidity silica flour according to claim 3-5, it is characterised in that: the combustion furnace
(11) inner bottom is equipped with sliding slot (18), and the bottom end of material collecting box (17) is equipped with sliding block corresponding with sliding slot (18) size
(19), the outer end of the material collecting box (17) is equipped with pull slot through combustion furnace (11), and combustion furnace (11) and material collecting box (17) are even
The place of connecing is pasted with seal washer.
7. a kind of preparation method of high fluidity silica flour according to claim 1, it is characterised in that: the crush box
(1) positive side be embedded with electric cabinet (21), and electric cabinet (21) by conducting wire respectively with motor (4), air pump (8) and electronics
Igniter (12) connection.
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