CN107314622B - A kind of dehydration device and dewatering process of water rubber powder mixture - Google Patents
A kind of dehydration device and dewatering process of water rubber powder mixture Download PDFInfo
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- CN107314622B CN107314622B CN201710447507.5A CN201710447507A CN107314622B CN 107314622 B CN107314622 B CN 107314622B CN 201710447507 A CN201710447507 A CN 201710447507A CN 107314622 B CN107314622 B CN 107314622B
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- screw rod
- screw
- working cavity
- mixed material
- feeding inlet
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- 230000018044 dehydration Effects 0.000 title claims abstract description 36
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 32
- 229920001971 elastomer Polymers 0.000 title claims abstract description 28
- 239000000843 powder Substances 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000000203 mixture Substances 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000001914 filtration Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 10
- 239000011343 solid material Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000012279 drainage procedure Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000001085 differential centrifugation Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses the dehydration devices and dewatering process of a kind of water rubber powder mixture.Wherein, a kind of dehydration device of water rubber powder mixture, comprising: working cavity, the working cavity are equipped with feeding inlet and discharge port；Squeeze unit, the squeeze unit is arranged in the working cavity, the squeeze unit includes the first screw rod, and the both ends of first screw rod are corresponding with the feeding inlet and the discharge port respectively, and first screw rod pushes mixed material along the direction of the feeding inlet to the discharge port；Wherein, first screw rod is Variable pitch screw, and the screw pitch of first screw rod is gradually reduced along mixed material pushing direction.A kind of dehydration device of water rubber powder mixture proposed by the present invention has the advantages that dehydration efficiency is high, work efficiency is high, simple and reliable process, solves the problems, such as that current centrifuge technique and press machine working efficiency and dehydration efficiency are lower.
Description
Technical field
This disclosure relates to a kind of dehydration device and dewatering process of water rubber powder mixture.
Background technique
Currently, recycling industry in waste tire, mainly it is subject to so that tire to be crushed to and is ground into 20 to 200 mesh powders
It utilizes.High temperature and peculiar smell can be generated by directly grinding to the dry thin block of tire, and can destroy rubber molecule knot under the high temperature conditions
Structure and the performance for reducing rubber powder.Therefore the thin block of rubber and water are sufficiently mixed to carry out grinding again and can eliminate aforementioned adverse effect,
This method is known as wet process and prepares rubber powder.
The rubber powder of wet process preparation needs to be dehydrated after grinding and drying, and is dehydrated link to the energy consumption of drying process below
Influence is very big, and the more high then energy consumption of degree of dehydration is fewer.It is mostly dehydrated in the prior art using differential centrifugation machine or press machine.
Rubber powder finished particle surface after grinding is in flocculence, the quality and performance of the more deep then rubber powder of cotton layer more
It is good, therefore its surface area is very big, elasticity is very big.
Using the great advantage that differential centrifugation machine is dehydrated be can continuous work, due to charging discharging stablize so being not necessarily to
Staff on duty.But since the density of water and rubber is very close to the layered effect of water and rubber powder is bad under centrifugal force, causes
Dehydrating effect is not good enough, and the moisture that intragranular cotton layer absorbs is since surface tension can not be separated greatly.Difference
The dehydrating effect of fast centrifuge is general, averagely reaches 25% residual moisture.In addition centrifuge has the part that runs at high speed, energy consumption
It is relatively high, averagely reach 80KW/h, and maintenance intensity is very big, needs every 24 hours maintenance downtimes primary.
Using press machine by the clearance space of pressure compressing rubber powder particles, makes moisture discharge to realize dehydration, take off
Water effect is related to pressure size and volume compression ratio, and dehydrating effect is better than differential centrifugation machine, and average moisture residual can reach
10% or less.But press machine can not achieve the working method of continuous feeding and discharging, and each duty cycle is very long, input and output material auxiliary body
Complexity is difficult to realize automation, and special messenger is needed to operate.
Therefore, the working efficiency and dehydration efficiency of differential centrifugation machine and press machine are lower in the prior art.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, be intended to provide a kind of water rubber powder mixture dehydration device and
Dewatering process improves working efficiency and dehydration efficiency, while keeping dewatering process simple.
In a first aspect, a kind of dehydration device of water rubber powder mixture proposed by the present invention, comprising:
Working cavity, the working cavity are equipped with feeding inlet and discharge port；
Squeeze unit, the squeeze unit are arranged in the working cavity, and the squeeze unit includes the first screw rod, institute
The both ends for stating the first screw rod are corresponding with the feeding inlet and the discharge port respectively, and first screw rod is along the feeding inlet to institute
The direction for stating discharge port pushes mixed material；
Wherein, first screw rod be Variable pitch screw, the screw pitch of first screw rod along mixed material pushing direction gradually
Reduce.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the squeeze unit further includes the second screw rod, and second screw rod is to become with first screw pitch
Change the identical Variable pitch screw in direction, second screw rod is connect with first screw drive, second screw rod and described the
The rotation direction of one screw rod is opposite.
Preferably, first screw rod and/or second screw rod are variable diameter Variable pitch screw, along mixed material promotion side
To diameter becomes larger.
Preferably, further include primary filter unit, be arranged at the feeding inlet of the working cavity.
It preferably, further include power unit, the power unit is connect with first screw rod.
Preferably, the bottom of the working cavity is additionally provided with discharge outlet.
Second aspect, the invention also provides a kind of dewatering process using above-mentioned dehydration device, comprising:
1) material process on, by the feeding inlet feeding of working cavity；
2) separation process, the first screw rod rotate the mixed material being forced into working cavity, squeeze mixing when pushing
Material separates hydrone therein from mixed material；
3) discharge process, dewatered solid material are extruded into discharge port one end and come out from the discharge port.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
It preferably, further include primary filtration process, before entering working cavity, first by the primary filtration process to mixed
It closes material and carries out primary filtration, separate most of water therein first from mixed material.
Preferably, further include drainage procedure, arranged by the water that the primary filtration process and the separation process are isolated
Device out.
Preferably, the squeeze unit of the dehydration device further includes the second screw rod, and the separation process further includes the second spiral shell
Bar and the first screw rod counter motion jointly push the extruding that mixed material carries out.
The technical solution that embodiment according to the present invention provides is made by the way that squeeze unit is arranged in the working cavity
The both ends of first screw rod of the squeeze unit are corresponding with the feeding inlet of the working cavity and discharge port respectively, first spiral shell
Bar pushes mixed material along the direction of the feeding inlet to the discharge port.In pushing course, mixed material is by the first spiral shell
The extruding of bar, so that the hydrone in mixed material be made to separate with solid material.Simultaneously because first screw rod is displacement spiral shell
Bar, and first screw rod is gradually reduced along the screw pitch of material pushing direction, therefore in pushing course, the mixed material
The pressure being subject to is increasing with the reduction of screw pitch, and the moisture in mixed material is constantly extruded with the rotation of the first screw rod
Out, thus dehydration efficiency is relatively high, and technique is also simple and reliable.Since this process can be carried out continuously, working efficiency
It is very high.Solve current centrifuge technique and press machine working efficiency and the lower defect problem of dehydration efficiency.
Further, some embodiments according to the present invention pass through setting and the first screw pitch change direction phase
The second same screw rod, and second screw rod is connect with first screw drive, second screw rod and first spiral shell
The rotation direction of bar is on the contrary, to make first screw rod drive second screw rod to rotate backward when rotating, to mixed material
Further squeezing action is formed, therefore also can be further improved dehydration efficiency.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of main view of the dehydration device for water rubber powder mixture that one embodiment of the present of invention proposes；
Fig. 2 is a kind of side view of the dehydration device for water rubber powder mixture that one embodiment of the present of invention proposes.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Please refer to Fig. 1 and Fig. 2, a kind of dehydration device of water rubber powder mixture, including working cavity 10, the working chamber
Body 10 is equipped with feeding inlet 11 and discharge port 17.Squeeze unit 20, the squeeze unit 20 are provided in the working cavity 10
Including the first screw rod 21, the both ends of first screw rod 21 are corresponding with the feeding inlet 11 and the discharge port 17 respectively, described
Mixed material is pushed along the direction of the feeding inlet 11 to the discharge port 17 when first screw rod 21 rotates.
Wherein, first screw rod 21 is Variable pitch screw, and the screw pitch of first screw rod 21 is along mixed material pushing direction
It is gradually reduced.
The technical solution that embodiment according to the present invention provides is made by the way that squeeze unit is arranged in the working cavity
The both ends of first screw rod of the squeeze unit are corresponding with the feeding inlet of the working cavity and discharge port respectively, first spiral shell
Bar pushes mixed material along the direction of the feeding inlet to the discharge port, and in pushing course, mixed material is by the first spiral shell
The extruding of bar, so that the hydrone in mixed material be made to separate with solid material.Simultaneously because first screw rod is displacement spiral shell
Bar, and first screw rod is gradually reduced along the screw pitch of material pushing direction, therefore in pushing course, the mixed material
The pressure being subject to is increasing with the reduction of screw pitch, and the moisture in mixed material is constantly extruded with the rotation of the first screw rod
Out, thus dehydration efficiency is relatively high, and technique is also simple and reliable.Since this process can be carried out continuously, working efficiency
It is very high.Solve current centrifuge technique and press machine working efficiency and the lower defect problem of dehydration efficiency.
Preferably, as depicted in figs. 1 and 2, the squeeze unit 20 can also include the second screw rod 22.Second screw rod
22 be Variable pitch screw identical with the 21 screw pitch change direction of the first screw rod.Second screw rod 22 and first screw rod 21
It is sequentially connected by gear unit 30, and second screw rod 22 is opposite with the rotation direction of first screw rod 21.To make
First screw rod 21 drives second screw rod 22 to rotate backward when rotating, and forms further squeeze to mixed material and makees
With further increasing dehydration efficiency.Specifically, the gear unit 30 can be gear drive, i.e., described first screw rod, 21 He
Second screw rod 22 can be mounted on bracket 60 by gear in a manner of mechanical engagement.
Preferably, first screw rod 21 and/or second screw rod 22 can be variable diameter Variable pitch screw, along mixture
Expect that pushing direction, diameter become larger.To keep squeezing action bigger, dehydration efficiency is further increased.
Preferably, as depicted in figs. 1 and 2, the present apparatus can also include primary filter unit 40, be arranged in the work
At the feeding inlet 11 of cavity 10.For example, the primary filter unit 40 can be set in the feeding inlet 11 and the working chamber
Between the main paragraph of body, the primary filter unit 40 can also be arranged except the feeding inlet, make the primary filter
The material outlet of unit is connected with the feeding inlet.
Preferably, as shown in Figure 1, the present apparatus can also include power unit 50, the power unit 50 and described first
Screw rod 21 connects, so that first screw rod 21 be driven to rotate.For example, the power unit 50 can be driving motor, pass through
Driving motor drives the first screw rod 21, and the first screw rod 21 drives the rotation of the second screw rod 22 by gear unit 30 again.
Preferably, as depicted in figs. 1 and 2, discharge outlet 16 can also be arranged in the bottom of the working cavity 10.The extruding
Unit 10 squeezes mixed material the bottom that the moisture isolated accumulates in the working cavity 10, then from the discharge outlet 16
The working cavity 10 is discharged.In addition, the moisture that the primary filter unit 40 is isolated can also flow into the working cavity
In 10, is converged with the moisture that the squeeze unit 10 is isolated, the working cavity eventually is discharged from the discharge outlet 16
10, as depicted in figs. 1 and 2.
The invention also provides a kind of dewatering process using above-mentioned dehydration device, comprising:
1) material process on.Firstly, feeding inlet 11 feeding of the mixed material by working cavity, into the working cavity 10
In.
2) separation process.Then, first screw rod 21 is arrived first at into the mixed material in the working cavity 10
One end, by the first screw rod 21 mixed material for being forced into working cavity of rotation to the other end of first screw rod 21
It is mobile, due to first screw rod 21 when pushing extruding mixture material, hydrone therein can be made from mixed material
In separate, the bottom for falling into the working cavity 10 is collected.
3) discharge process.Finally, being extruded into 17 one end of discharge port by the solid material in dewatered mixed material
And it is come out from the discharge port 17.
Preferably, above-mentioned dewatering process can also include primary filtration process.Entering working cavity by feeding inlet 11
Before 10, primary filtration first is carried out to mixed material by the primary filtration process, makes most of moisture therein first from mixing
It is separated in material.Specifically, the mixed material is the mixing of water and rubber powder when being carried out dehydrating to water rubber powder
Object goes out most of moisture into 40 initial gross separation of primary filtration unit by feeding inlet 11 and forms rubber slurry, latices
Stream enters mobile to discharge port 17 with the impetus of the first screw rod 21 after the first screw rod 21.Since the first screw rod 21 is displacement
Screw rod, screw pitch space constantly becomes smaller, therefore rubber slurry is further compressed, and moisture therein falls in working cavity after being detached from
10 bottom is collected, and dewatered solid material (rubber powder) is discharged from discharge port 17.
It preferably, can also include drainage procedure.It can be equipped with discharge outlet 16 in the bottom of the working cavity 10, by institute
It states primary filtration process and water that the separation process is isolated can be discharged device, such as discharge work by discharge outlet 16
Except cavity 10.As depicted in figs. 1 and 2, primary filtration unit 40 is connected to working cavity 10, by 40 mistake of primary filtration unit
The water of filter flows into working cavity 10, and the moisture isolated in squeeze unit 10 collects in the bottom of working cavity 10 together, most
It is discharged together from the discharge outlet 16 for being located at working cavity bottom afterwards.
Preferably, the squeeze unit 20 of the dehydration device can also include the second screw rod 22, therefore the separation process
It can also include that the second screw rod 22 and 21 counter motion of the first screw rod jointly push the extruding that mixed material carries out.The extruding pushes away
It is dynamic to can be further improved dehydration efficiency.
The present invention carries out volume compression to rubber powder using the mode of Variable pitch screw to which moisture, overall dehydrating effect be discharged
Can reach 8% residual moisture below, and can continuous feeding and discharging work, the degree of automation is very high, at the same had both differential from
The advantages of scheming dehydration and press machine are dehydrated, therefore work efficiency is high, dehydration efficiency is also above differential centrifugation machine and press machine.
In addition, since the device of the invention structure is simple, do not run at high speed part, in terms of maintenance, only
Not shutdown inspection, monthly maintenance downtime need to be carried out daily, also further improve working efficiency.The device of the invention energy consumption
It is low, overall energy consumption only 10KW/h.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (7)
1. a kind of dehydration device of water rubber powder mixture characterized by comprising
Working cavity, the working cavity are equipped with feeding inlet and discharge port；
Squeeze unit, the squeeze unit are arranged in the working cavity, and the squeeze unit includes the first screw rod, and described the
The both ends of one screw rod are corresponding with the feeding inlet and the discharge port respectively, and first screw rod goes out described in along the feeding inlet
The direction of material mouth pushes mixed material；
Primary filter unit is arranged at the feeding inlet of the working cavity；
Wherein, first screw rod is Variable pitch screw, and the screw pitch of first screw rod is gradually reduced along mixed material pushing direction；
The squeeze unit further includes the second screw rod, and second screw rod is identical with the first screw pitch change direction
Variable pitch screw, second screw rod are connect with first screw drive, the rotation of second screw rod and first screw rod
It is contrary；
First screw rod and/or second screw rod are variable diameter Variable pitch screw, along mixed material pushing direction, diameter by
Gradual change is big；
Diameter speedup of first screw rod from middle section to discharge port direction is greater than the diameter speedup from feeding inlet direction to middle section；
First screw rod and/or second screw rod are significant Length discrepancy screw rod；
The primary filter unit and squeeze unit are at an angle.
2. dehydration device according to claim 1, which is characterized in that further include power unit, the power unit with
The first screw rod connection.
3. dehydration device according to claim 1, which is characterized in that the bottom of the working cavity is additionally provided with draining
Mouthful.
4. a kind of dewatering process using the dehydration device in claim 1 characterized by comprising
1) material process on, by the feeding inlet feeding of working cavity；
2) separation process, the first screw rod rotate the mixed material being forced into working cavity, the extruding mixture material when pushing,
Separate hydrone therein from mixed material；
3) discharge process, dewatered solid material are extruded into discharge port one end and come out from the discharge port.
5. dewatering process according to claim 4, which is characterized in that further include primary filtration process, entering working chamber
Before body, primary filtration first is carried out to mixed material by the primary filtration process, makes most of water therein first from mixture
It is separated in material.
6. dewatering process according to claim 5, which is characterized in that further include drainage procedure, by the primary filtration work
The water that sequence and the separation process are isolated is discharged device.
7. dewatering process according to claim 4, which is characterized in that the squeeze unit of the dehydration device further includes second
Screw rod, the separation process further include that the second screw rod jointly pushes away the extruding of mixed material progress with the first screw rod counter motion
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710447507.5A CN107314622B (en) | 2017-06-14 | 2017-06-14 | A kind of dehydration device and dewatering process of water rubber powder mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710447507.5A CN107314622B (en) | 2017-06-14 | 2017-06-14 | A kind of dehydration device and dewatering process of water rubber powder mixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107314622A CN107314622A (en) | 2017-11-03 |
| CN107314622B true CN107314622B (en) | 2019-01-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710447507.5A Expired - Fee Related CN107314622B (en) | 2017-06-14 | 2017-06-14 | A kind of dehydration device and dewatering process of water rubber powder mixture |
Country Status (1)
| Country | Link |
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| CN (1) | CN107314622B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202494300U (en) * | 2011-12-20 | 2012-10-17 | 贵州华力农化工程有限公司 | Sweet potato waste dewatering machine |
| CN203651026U (en) * | 2013-12-27 | 2014-06-18 | 舟山瀚晟机电科技有限公司 | Ship fish meal squeezing apparatus |
| CN204749339U (en) * | 2015-06-25 | 2015-11-11 | 郑州康宁特环保工程技术有限公司 | Combination screw extrusion feed arrangement of honeycomb formula catalyst |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3067462A (en) * | 1959-06-10 | 1962-12-11 | Blaw Knox Co | Extruder for drying synthetic rubber |
| FR2493973A1 (en) * | 1980-11-07 | 1982-05-14 | Serdip | Conveyor for drying non-hygroscopic materials - has rotating screw to apply simultaneous friction and compression due to varying pitch and diameter |
| CN2354088Y (en) * | 1998-11-26 | 1999-12-15 | 大连冰山集团金州重型机器厂 | Rubber extrusion dewater |
| CN202943772U (en) * | 2012-12-03 | 2013-05-22 | 大连金州重型机器有限公司 | Extrusion dewaterer for synthetic rubber |
| CN203994800U (en) * | 2014-06-27 | 2014-12-10 | 福建省晋江优兰发纸业有限公司 | A kind of vacuum press dewaterer |
-
2017
- 2017-06-14 CN CN201710447507.5A patent/CN107314622B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202494300U (en) * | 2011-12-20 | 2012-10-17 | 贵州华力农化工程有限公司 | Sweet potato waste dewatering machine |
| CN203651026U (en) * | 2013-12-27 | 2014-06-18 | 舟山瀚晟机电科技有限公司 | Ship fish meal squeezing apparatus |
| CN204749339U (en) * | 2015-06-25 | 2015-11-11 | 郑州康宁特环保工程技术有限公司 | Combination screw extrusion feed arrangement of honeycomb formula catalyst |
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|---|---|
| CN107314622A (en) | 2017-11-03 |
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Address after: No. 2, Kangzhuang Road, Henglong village, Zhucun street, Zengcheng District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Aiqi Technology Co.,Ltd. Address before: 511300 A1 factory building, No. three, No. 3, Zeng Jiang Road, Zengcheng, Guangzhou, Guangdong, China A4 Patentee before: GUANGZHOU IQI TECHNOLOGY Corp. |
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