CN107314622A - The dehydration device and dewatering process of a kind of water rubber powder mixture - Google Patents
The dehydration device and dewatering process of a kind of water rubber powder mixture Download PDFInfo
- Publication number
- CN107314622A CN107314622A CN201710447507.5A CN201710447507A CN107314622A CN 107314622 A CN107314622 A CN 107314622A CN 201710447507 A CN201710447507 A CN 201710447507A CN 107314622 A CN107314622 A CN 107314622A
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- Prior art keywords
- screw rod
- working cavity
- dehydration device
- mixed material
- feeding mouth
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000018044 dehydration Effects 0.000 title claims abstract description 30
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 30
- 229920001971 elastomer Polymers 0.000 title claims abstract description 28
- 239000000843 powder Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims abstract description 22
- 239000000203 mixture Substances 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000007599 discharging Methods 0.000 claims abstract description 26
- 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 4
- 238000012279 drainage procedure Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 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
- 238000012423 maintenance Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009467 reduction Effects 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
- 239000002245 particle Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920000126 latex Polymers 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
Landscapes
- 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 a kind of dehydration device of water rubber powder mixture and dewatering process.Wherein, a kind of dehydration device of water rubber powder mixture, including：Working cavity, the working cavity is provided with feeding mouth and discharging opening；Squeeze unit, the squeeze unit is arranged in the working cavity, the squeeze unit includes the first screw rod, and the two ends of first screw rod are corresponding with the feeding mouth and the discharging opening respectively, and direction of first screw rod along the feeding mouth to the discharging opening promotes mixed material；Wherein, first screw rod is Variable pitch screw, and the 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 dewatering efficiency is high, operating efficiency is high, simple and reliable process, the problem of solving current Centrifuge Techniques and forcing press operating efficiency and relatively low dewatering efficiency.
Description
Technical field
This disclosure relates to the dehydration device and dewatering process of a kind of water rubber powder mixture.
Background technology
At present, industry is reclaimed in junked tire, is mainly subject to being crushed tire and grinding to form 20 to 200 mesh powders
Utilize.The dry thin block of tire, which is directly ground, can produce high temperature and peculiar smell, and can destroy rubber molecule knot under the high temperature conditions
The performance of structure and reduction rubber powder.Therefore the thin block of rubber and water are sufficiently mixed to be ground again and can eliminate foregoing adverse effect,
This method is referred to as wet method and prepares rubber powder.
Rubber powder prepared by wet method needs to be dehydrated and dry after grinding, and is dehydrated energy consumption of the link to drying process below
Influence is very big, and the more high then energy consumption of degree of dehydration is fewer.It is many in the prior art to be dehydrated using differential centrifugation machine or forcing press.
Rubber powder finished particle surface after grinding is in flocculence, and the quality and performance of the more deep then rubber powder of its cotton layer are more
It is good, therefore its surface area is very big, elasticity is very big.
The great advantage being dehydrated using differential centrifugation machine is continuously to work, because charging discharging is stable so need not
Staff on duty.But it is due to the density of water and rubber 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 because surface tension can not be separated greatly.Difference
The dehydrating effect of fast centrifuge is general, averagely reaches 25% residual moisture.Other centrifuge has run at high speed part, energy consumption
Compare high, averagely reach 80KW/h, and maintenance intensity it is very big, it is necessary to every 24 hours maintenance downtimes once.
Using forcing press by forcing the clearance spaces of compressing rubber powder particles, make moisture discharge so as to realize dehydration, it is de-
Water effect is related to pressure size and volume compression ratio, and its dehydrating effect is better than differential centrifugation machine, and average moisture residual can reach
Less than 10%.But forcing press can not realize the working method of continuous feeding and discharging, each work period is very long, input and output material auxiliary body
Complexity is difficult to realize automation, it is necessary to which special messenger operates.
Therefore, the operating efficiency and dewatering efficiency of differential centrifugation machine and forcing press are relatively low in the prior art.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, expect to provide a kind of dehydration device of water rubber powder mixture and
Dewatering process, improves operating efficiency and dewatering efficiency, while making dewatering process simple.
In a first aspect, a kind of dehydration device of water rubber powder mixture proposed by the present invention, including：
Working cavity, the working cavity is provided with feeding mouth and discharging opening；
Squeeze unit, the squeeze unit is arranged in the working cavity, and the squeeze unit includes the first screw rod, institute
The two ends for stating the first screw rod are corresponding with the feeding mouth and the discharging opening respectively, and first screw rod is along the feeding mouth to institute
The direction for stating discharging opening promotes mixed material；
Wherein, first screw rod is Variable pitch screw, the pitch of first screw rod along mixed material pushing direction gradually
Reduce.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Preferably, the squeeze unit also includes the second screw rod, and second screw rod is to become with first screw pitch
Change direction identical Variable pitch screw, second screw rod is connected 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 reducing Variable pitch screw, along mixed material promotion side
To its diameter becomes larger.
Preferably, in addition to primary filter unit, at the feeding mouth for being arranged on the working cavity.
Preferably, in addition to power unit, the power unit is connected 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, including：
1) material process on, by the feeding mouth feeding of working cavity；
2) separation circuit, the first screw rod rotates the mixed material being forced into working cavity, and mixing is extruded when promoting
Material, makes hydrone therein be separated from mixed material；
3) discharge process, the solid material after dehydration is extruded into discharging opening one end and come out from the discharging opening.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Preferably, in addition to preliminary filter progress, before working cavity is entered, first by the preliminary filter progress to mixed
Compound material is tentatively filtered, and most of water therein is first separated from mixed material.
Preferably, in addition to drainage procedure, the water isolated by the preliminary filter progress and the separation circuit is arranged
Go out device.
Preferably, the squeeze unit of the dehydration device also includes the second screw rod, and the separation circuit also includes the second spiral shell
Bar and the common extruding promotion carried out to mixed material of the first screw rod counter motion.
The technical scheme that embodiments in accordance with the present invention are provided, by setting squeeze unit in the working cavity, makes
Feeding mouth and discharging opening of the two ends of first screw rod of the squeeze unit respectively with the working cavity are corresponding, first spiral shell
Direction of the bar along the feeding mouth to the discharging opening promotes mixed material.In pushing course, mixed material is by the first spiral shell
The extruding of bar, so that the hydrone in mixed material is separated with solid material.Simultaneously because first screw rod is displacement spiral shell
Bar, and pitch of first screw rod along material pushing direction is gradually reduced, therefore in pushing course, the mixed material
The pressure being subject to is increasing with the reduction of pitch, and the moisture in mixed material is constantly extruded with the rotation of the first screw rod
Go out, thus dewatering efficiency is higher, technique is also simple and reliable.Because this process can be carried out continuously, therefore operating efficiency
It is very high.Solve current Centrifuge Techniques and forcing press operating efficiency and dewatering efficiency relatively low defect problem.
Further, according to certain embodiments of the present invention, by setting and the first screw pitch change direction phase
With the second screw rod, and second screw rod is connected with first screw drive, second screw rod and first spiral shell
The rotation direction of bar is on the contrary, so that first screw rod drives second screw rod to rotate backward when rotating, to mixed material
Further squeezing action is formed, therefore can also further improve dewatering efficiency.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is a kind of front view of the dehydration device for water rubber powder mixture that one embodiment of the present of invention is proposed；
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 is proposed.
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
It is easy to illustrate only the part related to invention in description, accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It 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 provided with feeding mouth 11 and discharging opening 17.Squeeze unit 20, the squeeze unit 20 are provided with the working cavity 10
Including the first screw rod 21, the two ends of first screw rod 21 are corresponding with the feeding mouth 11 and the discharging opening 17 respectively, described
When first screw rod 21 is rotated mixed material is promoted along the feeding mouth 11 to the direction of the discharging opening 17.
Wherein, first screw rod 21 is Variable pitch screw, and the pitch of first screw rod 21 is along mixed material pushing direction
It is gradually reduced.
The technical scheme that embodiments in accordance with the present invention are provided, by setting squeeze unit in the working cavity, makes
Feeding mouth and discharging opening of the two ends of first screw rod of the squeeze unit respectively with the working cavity are corresponding, first spiral shell
Direction of the bar along the feeding mouth to the discharging opening promotes mixed material, and in pushing course, mixed material is by the first spiral shell
The extruding of bar, so that the hydrone in mixed material is separated with solid material.Simultaneously because first screw rod is displacement spiral shell
Bar, and pitch of first screw rod along material pushing direction is gradually reduced, therefore in pushing course, the mixed material
The pressure being subject to is increasing with the reduction of pitch, and the moisture in mixed material is constantly extruded with the rotation of the first screw rod
Go out, thus dewatering efficiency is higher, technique is also simple and reliable.Because this process can be carried out continuously, therefore operating efficiency
It is very high.Solve current Centrifuge Techniques and forcing press operating efficiency and dewatering efficiency relatively low defect problem.
Preferably, as depicted in figs. 1 and 2, the squeeze unit 20 can also include the second screw rod 22.Second screw rod
22 are and the pitch change direction identical Variable pitch screw of the first screw rod 21.Second screw rod 22 and first screw rod 21
It is connected by gear unit 30, and second screw rod 22 is opposite with the rotation direction of first screw rod 21.So that
First screw rod 21 drives second screw rod 22 to rotate backward when rotating, and further extruding is formed to mixed material and is made
With further improving dewatering efficiency.Specifically, the gear unit 30 can be gear drive, i.e., the described He of first screw rod 21
Second screw rod 22 can be arranged on support 60 by gear in mechanical engagement mode.
Preferably, first screw rod 21 and/or second screw rod 22 can be reducing Variable pitch screw, along mixture
Expect pushing direction, its diameter becomes larger.So that squeezing action is bigger, dewatering efficiency is further improved.
Preferably, as depicted in figs. 1 and 2, the present apparatus can also include primary filter unit 40, and it is arranged on the work
At the feeding mouth 11 of cavity 10.For example, the primary filter unit 40 can be arranged on the feeding mouth 11 and the working chamber
Between the main paragraph of body, the primary filter unit 40 can also be arranged on outside the feeding mouth, make the primary filter
The material outlet of unit is connected with the feeding mouth.
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 is connected, so as to drive first screw rod 21 to rotate.For example, the power unit 50 can be motor, pass through
Motor drives the first screw rod 21, and the first screw rod 21 drives the second screw rod 22 to rotate by gear unit 30 again.
Preferably, as depicted in figs. 1 and 2, the bottom of the working cavity 10 can also set discharge outlet 16.The extruding
Unit 10 extrudes mixed material the bottom that the moisture isolated accumulates in the working cavity 10, then from the discharge outlet 16
Discharge the working cavity 10.In addition, the moisture that the primary filter unit 40 is isolated can also flow into the working cavity
In 10, converged with the moisture that the squeeze unit 10 is isolated, eventually discharge the working cavity 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, including：
1) material process on.First, mixed material by working cavity the feeding of feeding mouth 11, into the working cavity 10
In.
2) separation circuit.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 rotate be forced into the other end of the mixed material in working cavity to first screw rod 21
It is mobile, due to first screw rod 21 when promoting extruding mixture material, therefore 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, the solid material in the mixed material after dehydration is extruded into the one end of discharging opening 17
And come out from the discharging opening 17.
Preferably, above-mentioned dewatering process can also include preliminary filter progress.Working cavity is being entered by feeding mouth 11
Before 10, first mixed material is tentatively filtered by the preliminary filter progress, makes most of moisture therein first from mixing
Separated in material.Specifically, when carrying out dewater treatment to water rubber powder, the mixed material is the mixing of water and rubber powder
Thing, it enters preliminary filter element 40 by feeding mouth 11 and initial gross separation goes out most of moisture formation rubber slurry, latices
Stream enters after the first screw rod 21 as the impetus of the first screw rod 21 is moved to discharging opening 17.Because the first screw rod 21 is displacement
Screw rod, its pitch space constantly diminishes, therefore rubber slurry is further compressed, and moisture therein falls in working cavity after departing from
10 bottom is collected, and the solid material (rubber powder) after being dehydrated is discharged from discharging opening 17.
Preferably, drainage procedure can also be included.Discharge outlet 16 can be provided with the bottom of the working cavity 10, by institute
Device can be discharged by discharge outlet 16 by stating the water that preliminary filter progress and the separation circuit isolate, for example, discharge work
Outside cavity 10.As depicted in figs. 1 and 2, preliminary filter element 40 is connected with working cavity 10, by the preliminary mistake of filter element 40
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
Discharged together from the discharge outlet 16 positioned 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 circuit
The second screw rod 22 and the common extruding promotion carried out to mixed material of the counter motion of the first screw rod 21 can also be included.The extruding is pushed away
It is dynamic further to improve dewatering efficiency.
The present invention carries out volume compression to discharge moisture, overall dehydrating effect using the mode of Variable pitch screw to rubber powder
Can reach less than 8% residual moisture, and can continuous feeding and discharging work, automaticity is very high, at the same had concurrently differential from
Scheming dehydration and the advantage of forcing press dehydration, therefore operating efficiency is high, dewatering efficiency is also above differential centrifugation machine and forcing press.
Further, since the apparatus structure of the present invention is simple, do not run at high speed part, therefore in terms of maintenance, only
Not shutdown inspection, monthly maintenance downtime need to be carried out daily, also further increase operating efficiency.The plant energy consumption of the present invention
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.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical schemes formed by any combination.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical characteristic of energy carries out technical scheme formed by replacement mutually.
Claims (10)
1. a kind of dehydration device of water rubber powder mixture, it is characterised in that including：
Working cavity, the working cavity is provided with feeding mouth and discharging opening；
Squeeze unit, the squeeze unit is arranged in the working cavity, and the squeeze unit includes the first screw rod, described the
The two ends of one screw rod are corresponding with the feeding mouth and the discharging opening respectively, and first screw rod goes out along the feeding mouth described in
The direction of material mouth promotes mixed material；
Wherein, first screw rod is Variable pitch screw, and the pitch of first screw rod is gradually reduced along mixed material pushing direction.
2. dehydration device according to claim 1, it is characterised in that the squeeze unit also includes the second screw rod, described
Second screw rod is and the first screw pitch change direction identical Variable pitch screw, second screw rod and first screw rod
Drive connection, second screw rod is opposite with the rotation direction of first screw rod.
3. dehydration device according to claim 2, it is characterised in that first screw rod and/or second screw rod are
Reducing Variable pitch screw, along mixed material pushing direction, its diameter becomes larger.
4. the dehydration device according to any one of claims 1 to 3, it is characterised in that also including primary filter unit,
At the feeding mouth for being arranged on the working cavity.
5. the dehydration device according to any one of claims 1 to 3, it is characterised in that also including power unit, described
Power unit is connected with first screw rod.
6. the dehydration device according to any one of claims 1 to 3, it is characterised in that the bottom of the working cavity
It is additionally provided with discharge outlet.
7. a kind of dewatering process of the dehydration device described in usage right requirement any one of 1~6, it is characterised in that including：
1) material process on, by the feeding mouth feeding of working cavity；
2) separation circuit, the first screw rod rotates the mixed material being forced into working cavity, the extruding mixture material when promoting,
Hydrone therein is set to be separated from mixed material；
3) discharge process, the solid material after dehydration is extruded into discharging opening one end and come out from the discharging opening.
8. dewatering process according to claim 7, it is characterised in that also including preliminary filter progress, entering working chamber
Before body, first mixed material is tentatively filtered by the preliminary filter progress, makes most of water therein first from mixture
Separated in material.
9. dewatering process according to claim 8, it is characterised in that also including drainage procedure, by the preliminary filterer
The water that sequence and the separation circuit are isolated is discharged device.
10. dewatering process according to claim 7, it is characterised in that the squeeze unit of the dehydration device also includes the
Two screw rods, the separation circuit also includes the second screw rod to be pushed away with the common extruding to mixed material progress of 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 true CN107314622A (en) | 2017-11-03 |
| CN107314622B CN107314622B (en) | 2019-01-18 |
Family
ID=60183602
Family Applications (1)
| 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 |
|---|---|
| CN (1) | CN107314622B (en) |
Citations (8)
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
-
2017
- 2017-06-14 CN CN201710447507.5A patent/CN107314622B/en not_active Expired - Fee Related
Patent Citations (8)
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107314622B (en) | 2019-01-18 |
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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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Effective date of registration: 20200617 Address after: Room 303, No.1, Xisi lane, Yuanpu Road, Licheng street, Zengcheng City, Guangzhou City, Guangdong Province Co-patentee after: Guangzhou Aiqi Technology Co.,Ltd. Patentee after: Luo Weichuan Address before: No. 2, Kangzhuang Road, Henglong village, Zhucun street, Zengcheng District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Aiqi Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210118 Address after: 510000 Room 303, No.1, west fourth lane, Yuanpu Road, Licheng street, Zengcheng City, Guangzhou City, Guangdong Province Patentee after: Luo Weichuan Address before: 510000 Room 303, No.1, west fourth lane, Yuanpu Road, Licheng street, Zengcheng City, Guangzhou City, Guangdong Province Patentee before: Luo Weichuan Patentee before: Guangzhou Aiqi Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |