CN106335904B - A kind of preparation method of nano silicon dioxide - Google Patents
A kind of preparation method of nano silicon dioxide Download PDFInfo
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- CN106335904B CN106335904B CN201610663727.7A CN201610663727A CN106335904B CN 106335904 B CN106335904 B CN 106335904B CN 201610663727 A CN201610663727 A CN 201610663727A CN 106335904 B CN106335904 B CN 106335904B
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- 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
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
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- 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
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/186—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof from or via fluosilicic acid or salts thereof by a wet process
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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
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0043—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) the materials to be pulverised being projected against a breaking surface or breaking body by a pressurised fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Abstract
The present invention provides a kind of preparation methods of nano silicon dioxide.The technical problems such as it solves past the step of existing preparation method complexity, and is unable to continuous production, and speed of production is slow.The preparation method of this nano silicon dioxide, comprises the following steps：A, prepare：The Na2SiO3 aqueous solutions and concentration that the NaCl aqueous solutions for being 7.5% by high-purity water compound concentration, concentration are 45% are 13.5% dilute hydrochloric acid solution；B, react：The NaCl aqueous solutions prepared in step a, Na2SiO3 aqueous solutions and dilute hydrochloric acid solution are poured into reaction kettle and reacted；C, it is aged：Solution after being reacted in reaction kettle is introduced into storage tank and is aged, forms colloidal sol；D, pressure filtration washing：Colloidal sol after ageing is transported in filter press and carries out press filtration；E, drying：The wet cake obtained in step d is dried by baking oven；F, crush：Dried powder granule by airflow comminution system is crushed, nano silicon dioxide is made.The present invention has the advantages that prepare fireballing.
Description
Technical field
The present invention relates to a kind of preparation methods, particularly a kind of preparation method of nano silicon dioxide.
Background technology
Nanometer grade silica is a kind of inorganic chemical industry material, is commonly called as white carbon.Due to being ultrafine nanometer, size range
In 1~100nm, therefore the property with many uniquenesses, such as have to anti-ultraviolet optical property, other materials can be improved and resisted
Aging, intensity and chemical-resistance, purposes are very extensive.
Through retrieval, as Chinese patent literature discloses a kind of preparation method of nano silica microsphere【Application number：
201410015493.6；Publication number：CN 104326478A】.The preparation method of this nano silica microsphere, feature exist
In comprising the following steps：Organic solvent with alkaline solution is uniformly mixed and forms the first mixed solution；In the described first mixing
Macromolecule dispersing agent is added in solution, and constant temperature is kept the temperature, and obtains the second mixed solution；Being instilled in second mixed solution has
Machine esters of silicon acis, until obtaining opalescent mixture；And it centrifuges the opalescent mixture and is dried in vacuo and obtain described two
Silicon oxide microsphere.
Although the preparation method disclosed in the patent can realize the extensive preparation of nano silica microsphere,
The step of preparation method, is complicated in the past, and is unable to continuous production, and speed of production is slow, therefore, designs a kind of nanometer titanium dioxide
The preparation method of silicon is necessary.
The content of the invention
The purpose of the present invention is being directed to existing technology, there are the above problems, it is proposed that a kind of preparation of nano silicon dioxide
Method, the preparation method have the characteristics that prepare fireballing.
The purpose of the present invention can be realized by following technical proposal：A kind of preparation method of nano silicon dioxide, it is special
Sign is, comprises the following steps：
A, prepare：The Na that the NaCl aqueous solutions for being 7.5% by high-purity water compound concentration, concentration are 45%2SiO3It is water-soluble
Liquid and concentration are 13.5% dilute hydrochloric acid solution；
B, react：By the NaCl aqueous solutions prepared in step a, Na2SiO3Aqueous solution and dilute hydrochloric acid solution are poured into reaction kettle
In reacted, reaction time 10-40min；
C, it is aged：Solution after being reacted in reaction kettle is introduced into storage tank and is aged, forms colloidal sol；
D, pressure filtration washing：Colloidal sol after ageing is transported in filter press and carries out press filtration, and 3-5 is cleaned with deionized water
It is secondary；
E, drying：The wet cake obtained in step d is dried by baking oven；
F, crush：Dried powder granule by airflow comminution system is crushed, is crushed to 30-60nm, is made
Nano silicon dioxide.
Using above method, by preparing, reacting, being aged, pressure filtration washing, drying and crushing and etc., it can be achieved that it connects
Continue continual production operation, it is fast to prepare speed.Airflow comminution system in the step f includes rack, is set in the rack
Feed device, decomposer and collection device are equipped with, the feed device includes storage tank and feed pipe, and storage tank is fixed on machine
On frame, storage tank upper end has input port, and storage tank lower end is connected by guide pipe with the tube wall of feed pipe, storage tank and leads
Installing pipe is provided between pipe, installing pipe upper end is connected with storage tank lower end, and installing pipe lower end is connected with guide pipe, peace
In tubulature there is the conveying mechanism that material in storage tank can be transported to guide pipe, be provided with and storage tank lower end can be dredged in rack
Logical dredging mechanism；The decomposer includes decomposing tank, locating ring, several air supply pipes, feeder sleeve and air compressor machine, decomposes tank and sets
It puts in rack, locating ring, which is arranged on, to be decomposed in tank, and locating ring is located in the middle part of decomposition tank, and the outlet side of several air supply pipes passes through
It decomposes pot sidewall to be fixed on locating ring, and outlet side, towards locating ring center, the inlet end of air supply pipe passed through for the first communicating pipe
It is connected with air compressor machine, the discharge end of feeder sleeve, which is fixed on, to be decomposed in tank, and discharge end is towards locating ring, the feed end of feeder sleeve
It is connected through pot sidewall is decomposed with feed pipe, decomposes tank top and be provided with sorting mechanism, decomposes tank lower part and be provided with recycling machine
Structure；The collection device includes collecting tank, efferent duct and output screw, and collecting tank is fixed in rack, and collecting tank upper end has
Import, the import of collecting tank are connected with tank top is decomposed, and collecting tank lower end has an outlet, the outlet of collecting tank and efferent duct
Tube wall is connected, and efferent duct one end is blind end, and the efferent duct other end is output terminal, and it is used for positioning fixed to be provided on output terminal
Position part, output screw one end are located in efferent duct, and the output screw other end, which is pierced by the blind end of efferent duct and one, can drive its turn
Dynamic driving mechanism is connected, and baffle box is further fixed in rack, and baffle box side has opening, and being hinged in baffle box can will open
The chamber door that mouth closes, the output terminal of efferent duct are located at through baffle box side wall in baffle box, and being additionally provided in rack can will hinder
The dust collection mechanism of dust absorption in cell.
The operation principle of airflow comminution system is as follows：By conveying mechanism by the feedstock transportation in storage tank to guide pipe
In, raw material is entered under the action of self gravitation in feed pipe, so as to fulfill its feeding operation；Raw material in feed pipe is led to
It crosses feeder sleeve to be transported in decomposition tank, compressed air by air supply pipe is transported to and decomposed in tank by air compressor machine, and raw material is subject to
The high speed impact of air generates and rubs and resolve into nanoscale powder material, between each other by sorting mechanism by satisfactory
Grain filters out, and is recycled undesirable particle by recovering mechanism, so as to complete its apportioned effort；Nanoscale powder material is defeated
It is sent in collecting tank, material bag is fixed on the output terminal of efferent duct by locating piece, output spiral shell is driven by driving mechanism
Bar rotates, and with the rotation of output screw, the nanoscale powder material in collecting tank is transported in material bag, will by dust collection mechanism
Dust absorption in baffle box collects operation so as to fulfill it.
The conveying mechanism includes conveying axis and decelerating motor, and conveying axis are horizontally set in installing pipe, and conveys axle position
Below the gas outlet of appendix, conveying shaft end is connected with the output shaft of decelerating motor, and several conveyings are fixed on conveying axis
Blade.
When needing the feedstock transportation by storage tank into guide pipe, control the output shaft of decelerating motor that conveying axis is driven to turn
Dynamic, conveying axis drive conveying blade to rotate, can be by the feedstock transportation of storage tank into guide pipe with the rotation of conveying blade.
The dredging mechanism includes appendix, and the tube wall of gas outlet through the installing pipe of appendix is located in installing pipe, and
Vertically upward, the air inlet of appendix is connected with above-mentioned air compressor machine at the end, and solenoid valve is provided in appendix, is also set in rack
The control structure of electromagnetic valve work can be controlled by being equipped with.
When the lower end of storage tank blocks, by control structure solenoid valve is controlled to obtain electric, solenoid valve connects appendix, empty
Mechanism of qi is delivered air in the air inlet of appendix, and the gas outlet of appendix moves up the raw material of storage tank lower end, will
It is dredged, so as to can ensure that being normally carried out for feeding operation, good operating stability.
The control structure includes elastic piece, travel switch and the first controller, and elastic piece one end is fixed on guide pipe
On tube wall, the elastic piece other end is free end, and travel switch is fixed on the tube wall of guide pipe, and travel switch is located at elastic piece
Top, the free end of elastic piece can be with travel switch contact, and travel switch and solenoid valve are connected with first controller.
Under normal circumstances, under the gravity of raw material, elastic piece deforms downwards elastic piece, the free end of elastic piece and row
Cheng Kaiguan is separated, and signal is passed to the first controller by travel switch, and the first controller makes solenoid valve dead electricity；When under storage tank
When end blocks, signal is passed to the first controller, the first control by the free end of elastic piece and travel switch contact, travel switch
It is electric that device obtains solenoid valve, easy to control, quick.
The sorting mechanism includes screen plate, vibration motor, discharge nozzle and the first asepwirator pump, and screen plate is arranged on decomposition tank
It is interior, and screen plate is located at decomposition tank top, offers several material paths on screen plate, vibration motor is fixed on sieve by mounting bracket
It selects on plate, discharge nozzle one end is connected with tank top is decomposed, and the discharge nozzle other end is connected with collecting tank, and the first asepwirator pump is set
In discharge nozzle.
When needing satisfactory particle screen selecting, the first asepwirator pump is opened, satisfactory particle may pass through sieve
The material path of plate is selected, is transported to by discharge nozzle in collecting tank, screening is quick；By vibration motor screen plate is made to generate shake
It is dynamic, material path can be avoided to block, good operating stability.
The recovering mechanism includes recovery tube and the second asepwirator pump, and recovery tube one end is connected with tank lower part is decomposed, and recycles
The pipe other end is connected with storage tank, and the second asepwirator pump is arranged in recovery tube.
When needing to recycle undesirable particle, the second asepwirator pump is opened, storing is transported to by recovery tube
In tank, it is decomposed again.
Be additionally provided in the rack can adjust first communicating pipe flow regulating and controlling mechanism, regulating and controlling mechanism include pressure sensing
Device, first flow regulating valve and second controller, pressure sensor and first flow regulating valve were successively set on for the first communicating pipe
In, and between pressure sensor is located at first flow regulating valve and decomposes tank, pressure sensor and first flow regulating valve with
The second controller is connected.
Using more than structure, signal is passed to by second controller, second controller control first by pressure sensor
The opening degree of flow control valve, so as to can realize first communicating pipe flow dynamic regulation, regulation and control are accurate.
The locating piece includes rubber ring, and rubber ring is arranged and is fixed on the output terminal of efferent duct, rubber ring lateral surface
It is upper that there are several protrusions.
Using more than structure, material bag is sleeved on the output terminal of efferent duct, is determined material bag by the elastic force of rubber ring
Position is lived, and positioning is reliable；Frictional force between rubber ring and material bag, good operating stability can be increased by protrusion.
The dust collection mechanism includes the first wind turbine, the 3rd asepwirator pump and air intake duct, and the first wind turbine is fixed in baffle box, and
First wind turbine is located above efferent duct, and the outlet air mouth down of the first wind turbine, air intake duct one end is connected with baffle box bottom, air-breathing
The pipe other end and the 3rd asepwirator pump are connected, and filter bag is provided in air intake duct.
When needing dust absorption in baffle box, the air in baffle box is conveyed downwards by the first wind turbine, powder
Dirt is moved down with air, by the 3rd asepwirator pump by the dust absorption of baffle box, in suction filter bag, is absorbed convenient, fast
Speed.
The driving mechanism includes motor, driving gear and driven gear, and motor is fixed in rack, and driving gear is fixed
On the output shaft of motor, driven gear is fixed on output screw, and driving gear is meshed with driven gear.
When needing to rotate output screw, control the output shaft of motor that driving gear is driven to rotate, driving gear drives
Driven gear rotates, and driven gear drives output screw to rotate, so as to rotate output screw.
Be provided with the cooling body for being cooled down to air compressor machine in the rack, cooling body include mounting bracket and
Second wind turbine, mounting bracket are arranged in rack, have snubber block between mounting bracket and rack, and the second wind turbine can band by one
It moves its moving mechanism moved horizontally to be arranged in mounting bracket, the second wind turbine is located at air compressor machine top, and the second wind turbine goes out
Air port is towards air compressor machine.
When needing to cool down to air compressor machine, by moving mechanism the second horizontal fan is driven to move, the second mobile wind turbine
Air compressor machine can integrally be cooled down, reliable operation.
The moving mechanism include the first arc-shaped guide rail, the first sliding block, installing plate, servomotor and gear, first
Guide rail is fixed in mounting bracket, and has teeth on the intrados of the first guide rail, and the first sliding block is arranged in the first guide rail, is pacified
Loading board is fixed on the first sliding block, and servomotor is fixed on installing plate upper surface, the output shaft of servomotor straight down, gear
It is fixed on the output shaft of servomotor, gear is meshed with the teeth of the first guide rail, and the second wind turbine can drive thereon by one
The elevating mechanism of lower lifting is arranged on installing plate lower surface.
When needing to make the second horizontal fan to move, the output shaft driven gear of servomotor is controlled to rotate, gear and the
The teeth of one guide rail, which are meshed, makes the first sliding block be moved horizontally along the first guide rail, and the first sliding block drives installing plate to move horizontally,
Installing plate drives the movement of the second horizontal fan, so as to move the second horizontal fan.
The elevating mechanism includes push-rod electric machine, the second sliding block and the second guide rail, and the second guide rail is fixed on by link
Installing plate lower surface, the second sliding block are arranged in the second guide rail, and push-rod electric machine is fixed on installing plate lower surface, and push-rod electric machine pushes away
Straight down, the push rod end of push-rod electric machine is connected bar with the second sliding block, and the second wind turbine is fixed on the second sliding block.
When needing to move up and down the second wind turbine, the push rod of push-rod electric machine is controlled to drive the second sliding block along the second guide rail
It moves up and down, the second sliding block drives the second wind turbine to move up and down, and the air compressor machine of different model can be cooled down, adaptable.
The control mechanism of servomotor start and stop can be controlled by being additionally provided in the rack, and control mechanism is passed including several temperature
Sensor, display screen and the 3rd controller, if dry temperature sensor is separately positioned on air compressor machine, and the uniform cloth of temperature sensor
It puts, display screen is fixed in rack, and temperature sensor, display screen and servomotor are connected with the 3rd controller.
Using more than structure, the temperature at air compressor machine is detected by temperature sensor, signal is passed into the 3rd control
Device, the 3rd controller show its temperature value by display screen, meanwhile, the control servomotor work of the 3rd controller, servomotor
The second horizontal fan is moved, it is easy to control.
Compared with prior art, the preparation method of this nano silicon dioxide has the following advantages：
1st, in this preparation method by preparing, reacting, being aged, pressure filtration washing, drying and crushing and etc., it can be achieved that it connects
Continue continual production operation, it is fast to prepare speed.
2nd, delivered air to by air compressor machine in appendix, appendix moves up the raw material of storage tank lower end, can
Ensure being normally carried out for feeding operation, good operating stability.
3rd, by air raw material is made to be subject to high speed impact, generates between each other and rub and resolve into nanoscale powder material, will accord with
The particle screen selecting for closing requirement goes out, and undesirable particle is recycled, and crosses multioperation without artificial, decomposition efficiency is high.
4th, the dust in baffle box is moved down by the first wind turbine, is inhaled the dust of baffle box by the 3rd asepwirator pump
It removes, it is convenient to absorb.
5th, by push-rod electric machine the second sliding block is driven to move up and down, the second sliding block drives the second wind turbine to move up and down, can be right
The air compressor machine of different model is cooled down, adaptable.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of this feed device.
Fig. 2 is the sectional view that this feed device removes part.
Fig. 3 is the sectional view of this decomposer.
Fig. 4 is the sectional view that this decomposer removes part.
Fig. 5 is the planar structure schematic diagram of this collection device.
Fig. 6 is the close-up schematic view at A in Fig. 5.
Fig. 7 is the dimensional structure diagram of baffle box in this collection device.
Fig. 8 is the dimensional structure diagram of this cooling body.
Fig. 9 is the dimensional structure diagram that this cooling body removes part.
In figure, 1, rack；2nd, decelerating motor；3rd, guide pipe；4th, feed pipe；4a, connecting portion；5th, the first controller；6th, pacify
Tubulature；7th, storage tank；8th, appendix；9th, solenoid valve；11st, conveying axis；12nd, conveying blade；13rd, guide housing；14th, travel switch；
15th, elastic piece；20th, air compressor machine；21st, first flow regulating valve；22nd, the first communicating pipe；23rd, pressure sensor；24th, the second control
Device；25th, rubber slab；26th, recovery tube；27th, the second asepwirator pump；28th, air supply pipe；29th, locating ring；30th, tank is decomposed；30a, maintenance
Mouthful；31st, screen plate；32nd, vibration motor；33rd, mounting bracket；34th, the first asepwirator pump；35th, discharge nozzle；36th, feeder sleeve；37th, cover board；
40th, output screw；41st, the second communicating pipe；42nd, efferent duct；42a, blind end；42b, output terminal；43rd, second flow regulating valve；
44th, the 3rd asepwirator pump；45th, air intake duct；46th, baffle box；47th, collecting tank；48th, driving gear；49th, motor；50th, driven gear；
51st, filter bag；52nd, chamber door；53rd, the first wind turbine；54th, rubber ring；55th, access panel；60th, the 3rd controller；61st, display screen；63、
Snubber block；64th, mounting bracket；65th, the first guide rail；65a, teeth；66th, gear；67th, servomotor；68th, installing plate；69th, second
Wind turbine；70th, temperature sensor；71st, push-rod electric machine；72nd, the second sliding block；73rd, the second guide rail；74th, link；75th, the first sliding block.
Specific embodiment
It is specific embodiments of the present invention and with reference to attached drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
The preparation method of this nano silicon dioxide, comprises the following steps：
A, prepare：The Na that the NaCl aqueous solutions for being 7.5% by high-purity water compound concentration, concentration are 45%2SiO3It is water-soluble
Liquid and concentration are 13.5% dilute hydrochloric acid solution；In the present embodiment, high-purity water is using the existing product that can be bought in the market；
B, react：By the NaCl aqueous solutions prepared in step a, Na2SiO3Aqueous solution and dilute hydrochloric acid solution are poured into reaction kettle
In reacted, reaction time 10-40min, in the present embodiment, reaction time 25min；
C, it is aged：Solution after being reacted in reaction kettle is introduced into storage tank and is aged, forms colloidal sol；
D, pressure filtration washing：Colloidal sol after ageing is transported in filter press and carries out press filtration, and 3-5 is cleaned with deionized water
It is secondary, in the present embodiment, cleaned 4 times with deionized water；
E, drying：The wet cake obtained in step d is dried by baking oven；
F, crush：Dried powder granule by airflow comminution system is crushed, is crushed to 30-60nm, is made
Nano silicon dioxide.
Using this method, by preparing, reacting, being aged, pressure filtration washing, drying and crushing and etc., it can be achieved that it is continuous
It is fast to prepare speed for continual production operation.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 7, airflow comminution system in step f includes rack 1, in rack 1
Feed device, decomposer and collection device are provided with, feed device includes storage tank 7 and feed pipe 4, and storage tank 7 is fixed on
In rack 1, storage tank 7 is fixed on by bolted connection in rack 1, and 7 upper end of storage tank has input port, storage tank 7
Lower end is connected by guide pipe 3 with the tube wall of feed pipe 4；Installing pipe 6, installing pipe are provided between storage tank 7 and guide pipe 3
6 upper ends are connected with 7 lower end of storage tank, and 6 lower end of installing pipe is connected with guide pipe 3, and having in installing pipe 6 can be by storage tank 7
Middle material is transported to the conveying mechanism of guide pipe 3, and the dredging mechanism that can dredge 7 lower end of storage tank is provided in rack 1；Feeding
4 both ends of pipe have in horn-like connecting portion 4a, using the structure, feed pipe 4 and feeder sleeve 36 can be facilitated to link together；Point
Solving device includes decomposing tank 30, locating ring 29, several air supply pipes 28, feeder sleeve 36 and air compressor machine 20, decomposes tank 30 and is arranged on machine
It on frame 1, decomposes and is additionally provided with buffer structure between tank 30 and rack 1, using the structure, can avoid decomposing tank by buffer structure
30 and rack 1 contact directly and generate collision, it is small using noise；Buffer structure is rubber slab 25, using the structure, can make its tool
There are preferable buffering and the performance of damping；Locating ring 29, which is arranged on, to be decomposed in tank 30, and locating ring 29 is located at 30 middle part of decomposition tank,
The outlet side of several air supply pipes 28 is fixed on through 30 side wall of tank is decomposed on locating ring 29, in the present embodiment, air supply pipe 28
Quantity is 12, and the outlet side of air supply pipe 28 is fixed on by bolted connection on locating ring 29；And outlet side direction
29 center of locating ring, the inlet end of air supply pipe 28 are connected by the first communicating pipe 22 with air compressor machine 20, the discharging of feeder sleeve 36
End, which is fixed on, decomposes in tank 30, and the discharge end of feeder sleeve 36 is fixed on by connecting rod to be decomposed in tank 30；And discharge end direction is fixed
Position ring 29, the feed end of feeder sleeve 36 are connected through 30 side wall of tank is decomposed with feed pipe 4, decompose 30 top of tank and are provided with screening
Mechanism decomposes 30 lower part of tank and is provided with recovering mechanism；It decomposes and access hole 30a is further opened on tank 30, decompose and be hinged on tank 30
It can be by cover board 37 that access hole 30a is closed；Collection device includes collecting tank 47, efferent duct 42 and output screw 40, collecting tank
47 are fixed in rack 1, and collecting tank 47 is fixed on by bolted connection in rack 1, and 47 upper end of collecting tank has import,
The import of collecting tank 47 is connected with 30 top of tank is decomposed, and 47 lower end of collecting tank has outlet, the outlet and output of collecting tank 47
The tube wall of pipe 42 is connected, and the outlet of collecting tank 47 is connected by the second communicating pipe 41 with the tube wall of efferent duct 42；Efferent duct
42 one end are blind end 42a, and 42 other end of efferent duct is output terminal 42b, and positioning used for positioning is provided on output terminal 42b
Material bag is fixed on output terminal 42b by part by locating piece；40 one end of output screw is located in efferent duct 42, output screw
40 other ends, which are pierced by the blind end 42a of efferent duct 42 and one, can drive its driving mechanism rotated to be connected, and be further fixed in rack 1
Baffle box 46 is further fixed on baffle box 46 in rack 1 by bolted connection；46 side of baffle box has opening, barrier
The chamber door 52 that closure of openings can be lived is hinged on case 46, the output terminal 42b of efferent duct 42 is located at resistance through 46 side wall of baffle box
In cell 46, being additionally provided in rack 1 can be by the dust collection mechanism of dust absorption in baffle box 46.
As shown in Figure 1 and Figure 2, conveying mechanism includes conveying axis 11 and decelerating motor 2, and conveying axis 11 are horizontally set on installation
In pipe 6, and conveying axis 11 are located at below the gas outlet of appendix 8, and 11 end of conveying axis is connected with the output shaft of decelerating motor 2,
Decelerating motor 2 is fixed in installing pipe 6, and output shaft of 11 end of conveying axis with decelerating motor 2 by way of key connection is connected；
It is fixed with several conveying blades 12 on conveying axis 11, fixed by welding on conveying axis 11 there are four conveying blades 12.
As shown in Figure 1 and Figure 2, dredging mechanism includes appendix 8, and in the present embodiment, the quantity of appendix 8 is four, defeated
The gas outlet of tracheae 8 is located at through the tube wall of installing pipe 6 in installing pipe 6, and the end is vertically upward, the air inlet of appendix 8 with
Air compressor machine 20 is connected, and solenoid valve 9 is provided in appendix 8, and the control that solenoid valve 9 can be controlled to work is additionally provided in rack 1
Structure；Control structure includes elastic piece 15,14 and first controller 5 of travel switch, and 15 one end of elastic piece is fixed on guide pipe 3
On tube wall, one end of elastic piece 15 is fixed on by welding on the tube wall of guide pipe 3；15 other end of elastic piece is freely
End, travel switch 14 are fixed on the tube wall of guide pipe 3, and travel switch 14 is fixed on guide pipe 3 by bolted connection
Tube wall on, the top of travel switch 14 is additionally provided with guide housing 13, and material can be avoided to drop on travel switch 14；And stroke is opened
It closes 14 and is located at 15 top of elastic piece, the free end of elastic piece 15 can be contacted with travel switch 14, and travel switch 14 and solenoid valve 9 are equal
It is connected with first controller 5, in the present embodiment, the first controller 5 is using the controller that can be bought in the market, controller
Controlling the program of travel switch and solenoid valve, program need not update to be existing.
As shown in figure 3, sorting mechanism includes screen plate 31, vibration motor 32,35 and first asepwirator pump 34 of discharge nozzle, screening
Plate 31, which is arranged on, to be decomposed in tank 30, and screen plate 31 is located at 30 top of decomposition tank, and several material paths are offered on screen plate 31,
The present embodiment, the quantity of material path is 500；Vibration motor 32 is fixed on by mounting bracket 33 on screen plate 31, passes through shake
Dynamic motor 32 makes screen plate 31 generate vibrations, material path can be avoided to block；35 one end of discharge nozzle and decomposition 30 top phase of tank
Connection, 35 other end of discharge nozzle are connected with collecting tank 47, and the first asepwirator pump 34 is arranged in discharge nozzle 35.
As shown in figure 3, recovering mechanism include 26 and second asepwirator pump 27 of recovery tube, 26 one end of recovery tube and decompose tank 30 under
Portion is connected, and 26 other end of recovery tube is connected with storage tank 7, and the second asepwirator pump 27 is arranged in recovery tube 26.
As shown in figure 3, the regulating and controlling mechanism that can adjust 22 flow of the first communicating pipe is additionally provided in rack 1, regulating and controlling mechanism bag
Include pressure sensor 23, first flow regulating valve 21 and second controller 24, pressure sensor 23 and first flow regulating valve 21
It is successively set in the first communicating pipe 22, and pressure sensor 23 is located between first flow regulating valve 21 and decomposition tank 30, pressure
Force snesor 23 and first flow regulating valve 21 are connected with the second controller 24, in the present embodiment, second controller 24
Using the microcontroller that can be bought in the market, it is existing, journey that microcontroller, which controls the program of sensor and first flow regulating valve,
Sequence need not update；Using the structure, signal is passed to by second controller 24, the second control by pressure sensor 23
Device 24 controls the opening degree of first flow regulating valve 21, so as to realize the dynamic regulation of 22 flow of the first communicating pipe, regulation and control
Precisely.
As shown in Figure 5, Figure 6, locating piece includes rubber ring 54, and rubber ring 54 is arranged and is fixed on the output terminal of efferent duct 42
On 42b, there are several protrusions on 54 lateral surface of rubber ring, in the present embodiment, the quantity of protrusion is 50, by convex
Frictional force between rubber ring 54 and material bag can be increased by going out portion.
As shown in Figure 5, Figure 6, dust collection mechanism includes the first wind turbine 53, the 3rd asepwirator pump 44 and air intake duct 45, the first wind turbine
53 are fixed in baffle box 46, and the first wind turbine 53 is fixed on by bolted connection in baffle box 46；And first wind turbine 53
Above efferent duct 42, the outlet air mouth down of the first wind turbine 53,45 one end of air intake duct is connected with 46 bottom of baffle box, air-breathing
45 other end of pipe and the 3rd asepwirator pump 44 are connected, and filter bag 51 is provided in air intake duct 45, and filter bag 51, which uses, in the market may be used
With the existing product bought；Second flow regulating valve 43 is provided in air intake duct 45, using the structure, is adjusted by second flow
The big of suction in air intake duct 45 is adjusted in valve 43.
As shown in figure 5, driving mechanism includes motor 49, driving gear 48 and driven gear 50, motor 49 is fixed on rack 1
On, motor 49 is fixed on by bolted connection in rack 1；Driving gear 48 is fixed on the output shaft of motor 49, main
Moving gear 48 is fixed on by way of key connection on the output shaft of motor 49；Driven gear 50 is fixed on output screw 40,
Driven gear 50 is fixed on by bolted connection on output screw 40；Driving gear 48 is meshed with driven gear 50.
As shown in fig. 7, being further opened with observation panel in baffle box 46, transparent access panel 55 is provided at observation panel, is observed
Plate 55, using the structure, can be viewed by access panel 55 inside baffle box 46 using the organic plates that can be bought in the market
Operation irregularity.
As shown in figure 8, being provided with the cooling body for being cooled down to air compressor machine 20 in rack 1, cooling body includes
64 and second wind turbine 69 of mounting bracket, mounting bracket 64 are arranged in rack 1, have damping between mounting bracket 64 and rack 1
Block 63 using the structure, can reduce the vibrations at mounting bracket 64 by snubber block 63, small using noise；Second wind turbine 69 is logical
Crossing one can drive its moving mechanism moved horizontally to be arranged in mounting bracket 64, and the second wind turbine 69 is located at 20 top of air compressor machine,
And second wind turbine 69 air outlet towards air compressor machine 20.
As shown in Figure 8, Figure 9, moving mechanism includes the first arc-shaped guide rail 65, the first sliding block 75, installing plate 68, servo
Motor 67 and gear 66, the first guide rail 65 are fixed in mounting bracket 64, and the first guide rail 65 is fixed by bolted connection
In mounting bracket 64；And first guide rail 65 intrados on there is teeth 65a, the first sliding block 75 is arranged on the first guide rail 65
In, the first sliding block 75 can be moved along the first guide rail 65；Installing plate 68 is fixed on the first sliding block 75, and installing plate 68 passes through bolt
The mode of connection is fixed on the first sliding block 75；Servomotor 67 is fixed on 68 upper surface of installing plate, and servomotor 67 passes through spiral shell
Tether the upper surface that the mode connect is fixed on installing plate 68；Straight down, gear 66 is fixed on to be watched the output shaft of servomotor 67
On the output shaft for taking motor 67, gear 66 is fixed on by way of key connection on the output shaft of servomotor 67；Gear 66 with
The teeth 65a of first guide rail 65 is meshed, and the second wind turbine 69 can drive the elevating mechanism of its oscilaltion to be arranged on peace by one
68 lower surface of loading board.
As shown in Figure 8, Figure 9, elevating mechanism includes push-rod electric machine 71, the second sliding block 72 and the second guide rail 73, the second guide rail
73 are fixed on 68 lower surface of installing plate by link 74, and the second sliding block 72 is arranged in the second guide rail 73, and the second sliding block 72 can
It is moved along the second guide rail 73；Push-rod electric machine 71 is fixed on 68 lower surface of installing plate, the side that push-rod electric machine 71 is bolted
Formula is fixed on the lower surface of installing plate 68；The push rod of push-rod electric machine 71 straight down, the push rod end of push-rod electric machine 71 and second
Sliding block 72 is connected, and the push rod end of push-rod electric machine 71 is connected by bolted connection with the second sliding block 72；Second wind turbine 69
It is fixed on the second sliding block 72, the second wind turbine 69 is fixed on by bolted connection on the second sliding block 72.
As shown in figure 8, being additionally provided with the control mechanism that can control 67 start and stop of servomotor in rack 1, control mechanism includes
If dry temperature sensor 70,61 and the 3rd controller 60 of display screen, in the present embodiment, the quantity of temperature sensor 70 is four
It is a；If dry temperature sensor 70 is separately positioned on air compressor machine 20, and temperature sensor 70 is evenly arranged, and display screen 61 is fixed on
In rack 1, display screen 61 is fixed on by bolted connection in rack 1；Temperature sensor 70, display screen 61 and servo electricity
Machine 67 is connected with the 3rd controller 60；In the present embodiment, the 3rd controller 60 is using the monolithic that can be bought in the market
Machine, microcontroller controls the program of sensor, motor and display screen, and to be existing, program need not update.
The operation principle of airflow comminution system is as follows：The output shaft of control decelerating motor 2 drives conveying axis 11 to rotate, and conveys
Axis 11 drives conveying blade 12 to rotate, former by the feedstock transportation of storage tank 7 into guide pipe 3 with the rotation of conveying blade 12
Material is entered under the action of self gravitation in feed pipe 4, so as to fulfill its feeding operation；Raw material in feed pipe 4 is passed through
Feeder sleeve 36, which is transported to, to be decomposed in tank 30, and compressed air by air supply pipe 28 is transported to and decomposed in tank 30 by air compressor machine 20,
Raw material is subject to the high speed impact of air, generates rub and resolve into nanoscale powder material between each other；The first asepwirator pump 34 is opened, is accorded with
The particle for closing requirement passes through the material path of screen plate 31, is transported to by discharge nozzle 35 in collecting tank 47；Second is opened to inhale
Air pump 27 is transported in storage tank 7 by recovery tube 26, it is decomposed again, so as to complete its apportioned effort；It will
Material bag is sleeved on the output terminal 42b of efferent duct 42, is positioned material bag by the elastic force of rubber ring 54, control motor 49
Output shaft drives driving gear 48 to rotate, and driving gear 48 drives driven gear 50 to rotate, and driven gear 50 drives output screw
40 rotate, and with the rotation of output screw 40, the nanoscale powder material in collecting tank 47 is transported in material bag, passes through the first wind
Machine 53 conveys downwards the air in baffle box 46, and dust is moved down with air, by the 3rd asepwirator pump 44 by baffle box
In suction filter bag 51, operation is collected so as to fulfill it for 46 dust absorption.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of preparation method of nano silicon dioxide, which is characterized in that comprise the following steps：
A, prepare：The Na that the NaCl aqueous solutions for being 7.5% by high-purity water compound concentration, concentration are 45%2SiO3Aqueous solution and
Concentration is 13.5% dilute hydrochloric acid solution；
B, react：By the NaCl aqueous solutions prepared in step a, Na2SiO3Aqueous solution and dilute hydrochloric acid solution be poured into reaction kettle into
Row reaction, reaction time 10-40min；
C, it is aged：Solution after being reacted in reaction kettle is introduced into storage tank and is aged, forms colloidal sol；
D, pressure filtration washing：Colloidal sol after ageing is transported in filter press and carries out press filtration, and is cleaned 3-5 times with deionized water；
E, drying：The wet cake obtained in step d is dried by baking oven；
F, crush：Dried powder granule by airflow comminution system is crushed, is crushed to 30-60nm, nanometer is made
Silica；Airflow comminution system in the step f includes rack, and feed device, decomposer are provided in the rack
And collection device, the feed device include storage tank and feed pipe, storage tank is fixed in rack, and storage tank upper end has defeated
Entrance, storage tank lower end are connected by guide pipe with the tube wall of feed pipe, and installing pipe is provided between storage tank and guide pipe,
Installing pipe upper end is connected with storage tank lower end, and installing pipe lower end is connected with guide pipe, and having in installing pipe can be by storage tank
Middle material is transported to the conveying mechanism of guide pipe, and the dredging mechanism that can dredge storage tank lower end is provided in rack；Described point
Solving device includes decomposing tank, locating ring, several air supply pipes, feeder sleeve and air compressor machine, decomposes tank and is arranged in rack, locating ring is set
It puts and is decomposing in tank, and locating ring, positioned at decomposing in the middle part of tank, the outlet side of several air supply pipes, which passes through to decompose pot sidewall and be fixed on, determines
On the ring of position, and outlet side, towards locating ring center, the inlet end of air supply pipe is connected by the first communicating pipe with air compressor machine, feed
The discharge end of pipe, which is fixed on, to be decomposed in tank, and discharge end, towards locating ring, the feed end of feeder sleeve through decomposition pot sidewall and is sent
Expects pipe is connected, and decomposes tank top and is provided with sorting mechanism, decomposes tank lower part and is provided with recovering mechanism；The collection device includes
Collecting tank, efferent duct and output screw, collecting tank are fixed in rack, collecting tank upper end have import, the import of collecting tank and
It decomposes tank top to be connected, collecting tank lower end has outlet, and the outlet of collecting tank is connected with the tube wall of efferent duct, efferent duct one
It holds as blind end, the efferent duct other end is output terminal, and locating piece used for positioning, output screw one end position are provided on output terminal
In in efferent duct, the output screw other end, which is pierced by the blind end of efferent duct and one, can drive its driving mechanism rotated to be connected, machine
Baffle box is further fixed on frame, baffle box side has opening, and the chamber door that can live closure of openings, output are hinged in baffle box
The output terminal of pipe is located at through baffle box side wall in baffle box, and being additionally provided in rack can be by the dust suction of dust absorption in baffle box
Mechanism；The conveying mechanism includes conveying axis and decelerating motor, and conveying axis are horizontally set in installing pipe, and conveying axis are positioned at defeated
Below the gas outlet of tracheae, conveying shaft end is connected with the output shaft of decelerating motor, and several conveying blades are fixed on conveying axis.
2. the preparation method of nano silicon dioxide according to claim 1, which is characterized in that the dredging mechanism includes defeated
Tracheae, the tube wall of the gas outlet of appendix through installing pipe are located in installing pipe, and the end is vertically upward, the air inlet of appendix
It is connected with above-mentioned air compressor machine, solenoid valve is provided in appendix, the control that can control electromagnetic valve work is additionally provided in rack
Structure；The control structure includes elastic piece, travel switch and the first controller, and elastic piece one end is fixed on the tube wall of guide pipe
On, the elastic piece other end is free end, and travel switch is fixed on the tube wall of guide pipe, and travel switch is located on elastic piece
Side, the free end of elastic piece can be with travel switch contact, and travel switch and solenoid valve are connected with first controller.
3. the preparation method of nano silicon dioxide according to claim 1, which is characterized in that the sorting mechanism includes sieve
Plate, vibration motor, discharge nozzle and the first asepwirator pump are selected, screen plate, which is arranged on, to be decomposed in tank, and screen plate is located at decomposition tank top,
Several material paths are offered on screen plate, vibration motor is fixed on by mounting bracket on screen plate, discharge nozzle one end and decomposition tank
Top is connected, and the discharge nozzle other end is connected with collecting tank, and the first asepwirator pump is arranged in discharge nozzle；The recovering mechanism bag
Recovery tube and the second asepwirator pump are included, recovery tube one end is connected with tank lower part is decomposed, and the recovery tube other end is connected with storage tank,
Second asepwirator pump is arranged in recovery tube.
4. the preparation method of nano silicon dioxide according to claim 1, which is characterized in that be additionally provided in the rack
Can adjust first communicating pipe flow regulating and controlling mechanism, regulating and controlling mechanism include pressure sensor, first flow regulating valve and second control
Device processed, pressure sensor and first flow regulating valve were successively set in the first communicating pipe, and pressure sensor is positioned at first-class
Between adjustable valve and decomposition tank, pressure sensor and first flow regulating valve are connected with the second controller.
5. the preparation method of nano silicon dioxide according to claim 1, which is characterized in that the locating piece includes rubber
Circle, rubber ring are arranged and are fixed on the output terminal of efferent duct, have several protrusions on rubber ring lateral surface；The vacuum cleaner
Structure includes the first wind turbine, the 3rd asepwirator pump and air intake duct, and the first wind turbine is fixed in baffle box, and the first wind turbine is located at efferent duct
Top, the outlet air mouth down of the first wind turbine, air intake duct one end are connected with baffle box bottom, the air intake duct other end and the 3rd air-breathing
Pump is connected, and filter bag is provided in air intake duct.
6. the preparation method of nano silicon dioxide according to claim 1, which is characterized in that the driving mechanism includes electricity
Machine, driving gear and driven gear, motor are fixed in rack, and driving gear is fixed on the output shaft of motor, driven gear
It is fixed on output screw, driving gear is meshed with driven gear.
7. the preparation method of nano silicon dioxide according to claim 1, which is characterized in that set in the rack useful
In the cooling body cooled down to air compressor machine, cooling body includes mounting bracket and the second wind turbine, mounting bracket are arranged on machine
On frame, there is snubber block between mounting bracket and rack, the second wind turbine can drive its moving mechanism moved horizontally to set by one
It puts in mounting bracket, the second wind turbine is located above air compressor machine, and the air outlet of the second wind turbine is towards air compressor machine.
8. the preparation method of nano silicon dioxide according to claim 7, which is characterized in that the moving mechanism is including being in
The first guide rail, the first sliding block, installing plate, servomotor and the gear of arc, the first guide rail are fixed in mounting bracket, and first
There are teeth, the first sliding block is arranged in the first guide rail, and installing plate is fixed on the first sliding block, servo electricity on the intrados of guide rail
Machine is fixed on installing plate upper surface, and straight down, gear is fixed on the output shaft of servomotor the output shaft of servomotor, tooth
Wheel is meshed with the teeth of the first guide rail, and the second wind turbine can drive the elevating mechanism of its oscilaltion to be arranged on installing plate by one
Lower surface；The elevating mechanism includes push-rod electric machine, the second sliding block and the second guide rail, and the second guide rail is fixed on peace by link
Loading board lower surface, the second sliding block are arranged in the second guide rail, and push-rod electric machine is fixed on installing plate lower surface, the push rod of push-rod electric machine
Straight down, the push rod end of push-rod electric machine is connected with the second sliding block, and the second wind turbine is fixed on the second sliding block.
9. the preparation method of nano silicon dioxide according to claim 8, which is characterized in that be additionally provided in the rack
The control mechanism of servomotor start and stop can be controlled, if control mechanism includes dry temperature sensor, display screen and the 3rd controller, if
Dry temperature sensor is separately positioned on air compressor machine, and temperature sensor is evenly arranged, and display screen is fixed in rack, and temperature passes
Sensor, display screen and servomotor are connected with the 3rd controller.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663727.7A CN106335904B (en) | 2016-08-15 | 2016-08-15 | A kind of preparation method of nano silicon dioxide |
| CN201711293249.6A CN107954430B (en) | 2016-08-15 | 2016-08-15 | The preparation method of the nano silica of improvement |
| CN201711293306.0A CN107986288B (en) | 2016-08-15 | 2016-08-15 | The preparation method of improved nano silica |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610663727.7A CN106335904B (en) | 2016-08-15 | 2016-08-15 | A kind of preparation method of nano silicon dioxide |
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| CN201711293249.6A Division CN107954430B (en) | 2016-08-15 | 2016-08-15 | The preparation method of the nano silica of improvement |
| CN201711293306.0A Division CN107986288B (en) | 2016-08-15 | 2016-08-15 | The preparation method of improved nano silica |
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| CN201711293306.0A Active CN107986288B (en) | 2016-08-15 | 2016-08-15 | The preparation method of improved nano silica |
| CN201610663727.7A Expired - Fee Related CN106335904B (en) | 2016-08-15 | 2016-08-15 | A kind of preparation method of nano silicon dioxide |
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| CN107954430A (en) * | 2016-08-15 | 2018-04-24 | 海宁永欣科技咨询有限公司 | The preparation method of the nano silicon dioxide of improvement |
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| CN107631643B (en) * | 2017-09-19 | 2019-07-02 | 长兴谐达能源科技有限公司 | A kind of biomass granulation cooling device for processing |
| CN107773772B (en) * | 2017-11-17 | 2020-07-28 | 珠海市梦幻香日用品有限公司 | Antibacterial deodorizing aromatherapy silica gel and production process thereof |
| CN109647568A (en) * | 2018-12-26 | 2019-04-19 | 江苏纳沛斯半导体有限公司 | A kind of semiconductor crystal wafer production silica grinding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008162813A (en) * | 2006-12-27 | 2008-07-17 | Matsushita Electric Ind Co Ltd | Method for producing silicon oxide granule from silicon sludge |
| CN101874811B (en) * | 2009-12-11 | 2012-10-31 | 天津兆阳纳米科技有限公司 | Preparation method of silica modified nano pearl powder |
| CN102633267A (en) * | 2012-04-19 | 2012-08-15 | 浙江宇达化工有限公司 | Preparation method of nano SiO2 |
| CN103466645B (en) * | 2013-09-27 | 2015-05-20 | 上海冠旗电子新材料股份有限公司 | Method for preparing nano-silica by wet grinding |
| CN104211072A (en) * | 2014-09-12 | 2014-12-17 | 唐山曹妃甸泰弘晟达新材料有限公司 | Nano silicon dioxide production process technology |
| CN104556070B (en) * | 2014-12-26 | 2017-01-11 | 中天科技精密材料有限公司 | Method and device for recycling high-purity silica |
| CN104828828B (en) * | 2015-05-08 | 2017-03-08 | 江西纳宇纳米新材料有限公司 | There is the nano silicon oxide of small particle, superhigh specific surface area |
| CN107954430B (en) * | 2016-08-15 | 2019-06-04 | 三明市丰润化工有限公司 | The preparation method of the nano silica of improvement |
-
2016
- 2016-08-15 CN CN201711293249.6A patent/CN107954430B/en active Active
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107954430A (en) * | 2016-08-15 | 2018-04-24 | 海宁永欣科技咨询有限公司 | The preparation method of the nano silicon dioxide of improvement |
| CN107954430B (en) * | 2016-08-15 | 2019-06-04 | 三明市丰润化工有限公司 | The preparation method of the nano silica of improvement |
Also Published As
| Publication number | Publication date |
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| CN106335904A (en) | 2017-01-18 |
| CN107986288A (en) | 2018-05-04 |
| CN107986288B (en) | 2019-07-12 |
| CN107954430B (en) | 2019-06-04 |
| CN107954430A (en) | 2018-04-24 |
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Effective date of registration: 20180419 Address after: 312400 Hou AI ban village, Gan Lin Town, Shengzhou City, Shaoxing, Zhejiang Applicant after: Zhejiang Jing Ya Glass Technology Co., Ltd. Address before: Jiaxing City, Zhejiang province 314400 Haining City Economic Development Zone construction way 16-1 No. 1 building 4 floor Applicant before: Haining Yongxin Technology Consulting Co., Ltd. |
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