CN204602419U - The centrifugal solid-liquid separator of antistatic - Google Patents
The centrifugal solid-liquid separator of antistatic Download PDFInfo
- Publication number
- CN204602419U CN204602419U CN201520125303.6U CN201520125303U CN204602419U CN 204602419 U CN204602419 U CN 204602419U CN 201520125303 U CN201520125303 U CN 201520125303U CN 204602419 U CN204602419 U CN 204602419U
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- China
- Prior art keywords
- outer shell
- centrifugal reel
- shell barrel
- centrifugal
- reel
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Abstract
A kind of centrifugal solid-liquid separator of antistatic, it comprises outer shell barrel, the centrifugal reel of tubular and drive unit, the bottom centre position of described outer shell barrel offers discharging via hole, the surrounding that the bottom of described outer shell barrel is positioned at described discharging via hole is provided with liquid holding groove, the upper end plate of described outer shell barrel is fixedly connected with a nitrogen carrier pipe; What described centrifugal reel was coaxial is arranged in described outer shell barrel, the corresponding described discharging via hole in bottom of described centrifugal reel offers relief hole, the bottom of described centrifugal reel is positioned at surrounding's formation charge platform of relief hole, be provided with some in spoke-like fixed mount in described relief hole, described fixed mount is provided with a main shaft connected unit coaxial with described centrifugal reel, in described main shaft connected unit, the side of corresponding described discharging via hole is fixedly plugged with a main shaft coaxial with described centrifugal reel, and described main shaft and described drive unit link.
Description
Technical field
The utility model relates to solid-liquid separating equipment field, refers to a kind of for the preparation of the centrifugal solid-liquid separator for the antistatic of Separation of Solid and Liquid in high third ammonium hydrochlorate series product process especially.
Background technology
Centrifugal separator is mainly used in the solid particle in suspension to separate with liquid; Or by two kinds of density differences in emulsion, liquid immiscible again separately (such as isolating cream from milk); It also can be used for getting rid of the liquid in wet solid, such as, dry wet clothes with washing machine; The admixture of gas of special hypervelocity channel separator also separable different densities, such as concentrated, separating gaseous hex; Utilize the solid particle of different densities or the granularity feature that sinking speed is different in a liquid, some sedimentation centrifuges also can carry out classification to solid particle by density or granularity.Centrifugal separator is widely used in the departments such as chemical industry, oil, food, pharmacy, ore dressing, coal, water treatment and boats and ships.
Such as: when preparing high third ammonium hydrochlorate series of products, a production link is used solid-liquid filtration and is separated, and in traditional handicraft, these solid-liquid filtrations are separated and mostly adopt centrifugal filtration to realize.
Traditional centrifuge comprises fixed pedestal and the outer cylindrical casing that is arranged on pedestal and drive unit, rotatingly on described pedestal be provided with a main shaft, what described main shaft one end was coaxial is arranged in described outer cylindrical casing, the torque output shaft of described drive unit links described main shaft, the rotary drum being provided with a cylindrical shape coaxial in described outer cylindrical casing, what described rotary drum was coaxial is arranged on the one end described main shaft being arranged in described outer cylindrical casing, and described main shaft can drive described rotary drum to rotate.The centrifugal solid-liquid separator of this structure, follow-up discharging, cleaning trouble, and rotary drum High Rotation Speed easily produces electrostatic in described outer shell barrel, the accumulation of electrostatic is unfavorable for Chemical Manufacture, can form potential safety hazard.
Utility model content
The purpose of this utility model is the centrifugal solid-liquid separator providing a kind of antistatic, its technical problem to be solved is: the discharging of traditional centrifugal solid-liquid separator, cleaning trouble, and rotary drum High Rotation Speed easily produces electrostatic, and the accumulation of electrostatic is unfavorable for Chemical Manufacture, potential safety hazard can be formed.
For solving the problems of the technologies described above, the utility model provides a kind of centrifugal solid-liquid separator of antistatic, and it comprises outer shell barrel, the centrifugal reel of tubular and drive unit,
The bottom centre position of described outer shell barrel offers discharging via hole, the surrounding that the bottom of described outer shell barrel is positioned at described discharging via hole is provided with liquid holding groove, the upper end plate of described outer shell barrel is fixedly connected with a nitrogen carrier pipe, described nitrogen carrier pipe is communicated with the container that described outer shell barrel and an exterior storage have nitrogen, and the nitrogen in this container is delivered in described outer shell barrel by described nitrogen carrier pipe;
What described centrifugal reel was coaxial is arranged in described outer shell barrel, the diameter of described centrifugal reel is greater than the diameter of described discharging via hole, be less than the diameter of described outer shell barrel, the corresponding described discharging via hole in bottom of described centrifugal reel offers relief hole, the diameter of described relief hole is less than the diameter of described discharging via hole, the bottom of described centrifugal reel is positioned at surrounding's formation charge platform of relief hole, be provided with some in spoke-like fixed mount in described relief hole, described fixed mount is provided with a main shaft connected unit coaxial with described centrifugal reel, in described main shaft connected unit, the side of corresponding described discharging via hole is fixedly plugged with a main shaft coaxial with described centrifugal reel, described main shaft and described drive unit link.
Be preferable over: the upper end plate of described outer shell barrel is fixedly installed one for cleaning the shower of described centrifugal reel, the water spray end of described shower inserts in described centrifugal reel and also corresponds on described charge platform, and described shower is gone back radial convex and be provided with a spray manifold, the inner tube wall of the corresponding described centrifugal reel of water spray end of described spray manifold.
Be preferable over: the upper end plate of described outer shell barrel is provided with a upper port, dismountablely in described upper port be covered with a seal cover, the middle part of described seal cover offers watch window, what seal in described watch window is embedded with transparency glass plate, the surrounding upper end plate of described outer shell barrel being positioned at described upper port is convexly equipped with a searchlighting windowsill, the relatively described outer shell barrel radial skew of described searchlighting windowsill, the central axis of described searchlighting windowsill and the central axis of described outer shell barrel form angle on perpendicular, described searchlighting platform offers searchlighting window, what seal in described searchlighting window is equipped with transparency glass plate, on described searchlighting platform, corresponding described searchlighting window is fixedly equiped with a searchlight, the light that described searchlight sends is injected in described centrifugal reel by described searchlighting window.
Be preferable over: equally distributedly on the barrel of described centrifugal reel offer some filtrate via holes, the barrel medial surface of described centrifugal reel has been sticked filter cloth, and liner has the grid pad of one deck PVC material on the barrel medial surface of described centrifugal reel and between described filter cloth.
Be preferable over: the upper end plate of described outer shell barrel is fixedly installed a feed pipe, discharging opening one end of described feed pipe is inserted in described centrifugal reel and is also corresponded on described charge platform, and the discharging opening of described feed pipe is provided with a discharging guide plate.
Be preferable over: the upper end plate of described outer shell barrel is also fixedly installed a feeding controller, described feeding controller comprises one and is inserted in control lever in described centrifugal reel, one end radial direction described control lever inserted in described centrifugal reel is provided with a push pedal, the madial wall of the corresponding described centrifugal reel in side of described push pedal, and the direction that described push pedal extends is identical with the rotation direction of described centrifugal reel.
Be preferable over: in described centrifugal reel, be inserted with a knife bar, the central shaft of described knife bar is parallel with the central shaft of described centrifugal reel, in the relatively turnable upper end plate being arranged on described outer shell barrel of described knife bar, one end that described knife bar is piercing in described outer shell barrel upper end plate is fixedly installed a crank, the actuating arm of described crank and the drive end of a cylinder link, described cylinder is fixedly mounted on the upper end plate of described outer shell barrel, one end radial direction that described knife bar is inserted in described centrifugal reel is fixedly connected with a fork, the other end of described fork is fixedly connected with a scraper, the blade of described scraper is parallel with the central shaft of described centrifugal reel, described scraper can revolve round the sun around described knife bar, described in described knife bar linkage, scraper turns to the inner tube wall of centrifugal reel described in blade scraping.
Be preferable over: bottom described outer shell barrel, corresponding described discharging via hole is provided with a discharge tube, and described discharge tube is back taper tubular, the large mouth of described discharge tube upper end is corresponding with described discharging via hole, and the osculum of described discharge tube lower end is discharge port.
Be preferable over: bottom described outer shell barrel and between described discharge tube, be provided with a main shaft installing rack, there is in described main shaft installing rack a blowing via hole corresponding with described discharging via hole, a bearing block is fixedly installed by spoke-like support in centre in described blowing via hole, described main shaft by bearing axial restraint and can rotation be arranged in described bearing block, described main shaft is installed with belt pulley through one end of the corresponding described discharge tube of described bearing block, the torque output of described drive unit is fixedly installed a drive pulley, interlock belt is provided with between described drive pulley and described belt pulley, described main shaft installing rack is provided with driving protection shell between corresponding described drive pulley and described belt pulley.
Compared with prior art, the beneficial effects of the utility model are:
1, by described nitrogen carrier pipe to supplying nitrogen in described outer shell barrel, nitrogen riddles uniformly in described outer shell barrel under the centrifugal whipping of described centrifugal reel, and then makes described centrifugal reel rotate the phenomenon that can not produce static buildup with the nitrogen friction of inertia;
2, cleaning showers can be carried out to the inner tube wall of described centrifugal reel and charge platform by described shower and spray manifold, facilitate later maintenance and the cleaning of equipment greatly;
3, utilize described observation window and searchlight to match, the inner workings of described centrifugal reel can be observed when utility model works, and then manually can detect the operation of equipment reinforcement.
Accompanying drawing explanation
Fig. 1 is overall sectional structure schematic diagram of the present utility model.
Fig. 2 is that the utility model squadron answers Fig. 1 to revolve the overall structure cross-sectional schematic of turnback
Fig. 3 is the radial sectional structure schematic diagram of centrifugal reel of the present utility model.
Fig. 4 is the sectional structure schematic diagram of the barrel local of centrifugal reel of the present utility model.
Detailed description of the invention
Below with reference to accompanying drawing 1 to 4 and preferred embodiment, the centrifugal solid-liquid separator to a kind of bilayer cone cylinder rotary drum that the utility model proposes specifically illustrates.
The utility model provides a kind of centrifugal solid-liquid separator of antistatic, it comprises outer shell barrel 1, the centrifugal reel 2 of tubular and drive unit 3, the bottom centre position of described outer shell barrel 1 offers discharging via hole 11, the surrounding that the bottom of described outer shell barrel 1 is positioned at described discharging via hole 11 is provided with liquid holding groove 12, the upper end plate 1a of described outer shell barrel 1 is fixedly connected with a nitrogen carrier pipe 13, described nitrogen carrier pipe 13 is communicated with the container that described outer shell barrel 1 and an exterior storage have nitrogen, nitrogen in this container is delivered in described outer shell barrel 1 by described nitrogen carrier pipe 13, what described centrifugal reel 2 was coaxial is arranged in described outer shell barrel 1, the diameter of described centrifugal reel 2 is greater than the diameter of described discharging via hole 11, be less than the diameter of described outer shell barrel 1, the corresponding described discharging via hole 11 in bottom of described centrifugal reel 2 offers relief hole 21, the diameter of described relief hole 21 is less than the diameter of described discharging via hole 11, the bottom of described centrifugal reel 2 is positioned at surrounding's formation charge platform 22 of relief hole 21, be provided with some in spoke-like fixed mount 23 in described relief hole 21, described fixed mount 23 is provided with a main shaft connected unit 24 coaxial with described centrifugal reel 2, in described main shaft connected unit 24, the side of corresponding described discharging via hole 11 is fixedly plugged with a main shaft 4 coaxial with described centrifugal reel 2, described main shaft 4 links with described drive unit 3.
The upper end plate 1a of described outer shell barrel 1 is fixedly installed one for cleaning the shower 14 of described centrifugal reel 2, the water spray end of described shower 14 inserts in described centrifugal reel 2 and also corresponds on described charge platform 22, and described shower 14 is gone back radial convex and be provided with a spray manifold 141, the inner tube wall of the corresponding described centrifugal reel 2 of water spray end of described spray manifold 141, described shower 14 and described spray manifold 141 can wash away bottom and the inner side barrel of described centrifugal reel 2 simultaneously respectively.
The upper end plate 1a of described outer shell barrel 1 is provided with a upper port 15, dismountablely in described upper port 15 be covered with a seal cover 16, the middle part of described seal cover 16 offers watch window 161, in described watch window 161, sealing is embedded with transparency glass plate, the surrounding upper end plate 1a of described outer shell barrel 1 being positioned at described upper port 15 is convexly equipped with a searchlighting windowsill 17, described searchlighting windowsill 17 relatively described outer shell barrel 1 radial skew, the central axis of described searchlighting windowsill 17 and the central axis of described outer shell barrel 1 form angle on perpendicular, described searchlighting platform 17 offers searchlighting window 171, in described searchlighting window 171, sealing is equipped with transparency glass plate, on described searchlighting platform 17, corresponding described searchlighting window 171 is fixedly equiped with a searchlight 18, the light that described searchlight 18 sends is injected in described centrifugal reel 2 by described searchlighting window 171.
Equally distributedly on the barrel of described centrifugal reel 2 offer some filtrate via holes, the barrel medial surface of described centrifugal reel 2 has been sticked filter cloth 25, and liner has the grid pad 26 of one deck PVC material on the barrel medial surface of described centrifugal reel 2 and between described filter cloth 25.
The upper end plate 1a of described outer shell barrel 1 is fixedly installed a feed pipe 5, discharging opening one end of described feed pipe 5 is inserted in described centrifugal reel 2 and is also corresponded on described charge platform 22, and the discharging opening of described feed pipe 5 is provided with a discharging guide plate 51, the material sent in described discharging opening can be guided to the side near the inner tube wall of described centrifugal reel 2 on described charge platform 22 by described place material guide plate 51, splashes and drop into described relief hole 21 when preventing material from sending from described discharging opening.
The upper end plate 1a of described outer shell barrel 1 is also fixedly installed a feeding controller 6, described feeding controller 6 comprises one and is inserted in control lever 61 in described centrifugal reel 2, on described control lever 61, one end radial direction inserted in described centrifugal reel 2 is provided with a push pedal 62, the madial wall of the corresponding described centrifugal reel 2 in side of described push pedal 62, and the direction that described push pedal 62 extends is identical with the rotation direction of described centrifugal reel 2.
A knife bar 7 is inserted with in described centrifugal reel 2, the central shaft of described knife bar 7 is parallel with the central shaft of described centrifugal reel 2, on the relatively turnable upper end plate 1a being arranged on described outer shell barrel 1 of described knife bar 7, one end that described knife bar is piercing in described outer shell barrel 1 upper end plate 1a is fixedly installed a crank 71, the actuating arm of described crank 71 and the drive end of a cylinder 72 link, described cylinder 72 is fixedly mounted on the upper end plate 1a of described outer shell barrel 1, the described knife bar 7 one end radial direction be inserted in described centrifugal reel 2 is fixedly connected with a fork 73, the other end of described fork 73 is fixedly connected with a scraper 74, the blade of described scraper 74 is parallel with the central shaft of described centrifugal reel 2, described scraper 74 can revolve round the sun around described knife bar 7, described in described knife bar 7 linkage, scraper 74 turns to the inner tube wall of centrifugal reel 2 described in blade scraping.
Bottom described outer shell barrel 1, corresponding described discharging via hole 11 is provided with a discharge tube 8, and described discharge tube 8 is in back taper tubular, and the large mouth of described discharge tube 8 upper end is corresponding with described discharging via hole 11, and the osculum of described discharge tube 8 lower end is discharge port 81.
A main shaft installing rack 9 is provided with bottom described outer shell barrel 1 and between described discharge tube 8, there is in described main shaft installing rack 9 a blowing via hole corresponding with described discharging via hole 11, a bearing block 91 is fixedly installed by spoke-like support in centre in described blowing via hole, described main shaft 4 by bearing axial restraint and can rotation be arranged in described bearing block 91, one end through the corresponding described discharge tube 8 of described bearing block 91 on described main shaft 4 is installed with belt pulley 92, the torque output of described drive unit 3 is fixedly installed a drive pulley 31, interlock belt is provided with between described drive pulley 31 and described belt pulley 92, described main shaft installing rack 9 is provided with driving protection shell 93 between corresponding described drive pulley 31 and described belt pulley 92.
Described on comprehensive, the technical solution of the utility model fully effectively can complete above-mentioned utility model object, and structural principle of the present utility model and the principle of work and power are all verified in an embodiment fully, and effect and the object of expection can be reached, and embodiment of the present utility model also can convert according to these principles, therefore, the utility model comprise all in claim mention all replacement contents in scope.Any equivalence change done in the utility model claim, within the scope of the claims of all genus this case applications.
Claims (9)
1. a centrifugal solid-liquid separator for antistatic, it comprises outer shell barrel, the centrifugal reel of tubular and drive unit, it is characterized in that:
The bottom centre position of described outer shell barrel offers discharging via hole, the surrounding that the bottom of described outer shell barrel is positioned at described discharging via hole is provided with liquid holding groove, the upper end plate of described outer shell barrel is fixedly connected with a nitrogen carrier pipe, described nitrogen carrier pipe is communicated with the container that described outer shell barrel and an exterior storage have nitrogen, and the nitrogen in this container is delivered in described outer shell barrel by described nitrogen carrier pipe;
What described centrifugal reel was coaxial is arranged in described outer shell barrel, the diameter of described centrifugal reel is greater than the diameter of described discharging via hole, be less than the diameter of described outer shell barrel, the corresponding described discharging via hole in bottom of described centrifugal reel offers relief hole, the diameter of described relief hole is less than the diameter of described discharging via hole, the bottom of described centrifugal reel is positioned at surrounding's formation charge platform of relief hole, be provided with some in spoke-like fixed mount in described relief hole, described fixed mount is provided with a main shaft connected unit coaxial with described centrifugal reel, in described main shaft connected unit, the side of corresponding described discharging via hole is fixedly plugged with a main shaft coaxial with described centrifugal reel, described main shaft and described drive unit link.
2. the centrifugal solid-liquid separator of a kind of antistatic as claimed in claim 1, it is characterized in that: the upper end plate of described outer shell barrel is fixedly installed one for cleaning the shower of described centrifugal reel, the water spray end of described shower inserts in described centrifugal reel and also corresponds on described charge platform, and described shower is gone back radial convex and be provided with a spray manifold, the inner tube wall of the corresponding described centrifugal reel of water spray end of described spray manifold.
3. the centrifugal solid-liquid separator of a kind of antistatic as claimed in claim 2, it is characterized in that: the upper end plate of described outer shell barrel is provided with a upper port, dismountablely in described upper port be covered with a seal cover, the middle part of described seal cover offers watch window, what seal in described watch window is embedded with transparency glass plate, the surrounding upper end plate of described outer shell barrel being positioned at described upper port is convexly equipped with a searchlighting windowsill, the relatively described outer shell barrel radial skew of described searchlighting windowsill, the central axis of described searchlighting windowsill and the central axis of described outer shell barrel form angle on perpendicular, described searchlighting platform offers searchlighting window, what seal in described searchlighting window is equipped with transparency glass plate, on described searchlighting platform, corresponding described searchlighting window is fixedly equiped with a searchlight, the light that described searchlight sends is injected in described centrifugal reel by described searchlighting window.
4. the centrifugal solid-liquid separator of a kind of antistatic as claimed in claim 3, it is characterized in that: equally distributedly on the barrel of described centrifugal reel offer some filtrate via holes, the barrel medial surface of described centrifugal reel has been sticked filter cloth, and liner has the grid pad of one deck PVC material on the barrel medial surface of described centrifugal reel and between described filter cloth.
5. the centrifugal solid-liquid separator of a kind of antistatic as claimed in claim 4, it is characterized in that: the upper end plate of described outer shell barrel is fixedly installed a feed pipe, discharging opening one end of described feed pipe is inserted in described centrifugal reel and is also corresponded on described charge platform, and the discharging opening of described feed pipe is provided with a discharging guide plate.
6. the centrifugal solid-liquid separator of a kind of antistatic as claimed in claim 5, it is characterized in that: the upper end plate of described outer shell barrel is also fixedly installed a feeding controller, described feeding controller comprises one and is inserted in control lever in described centrifugal reel, one end radial direction described control lever inserted in described centrifugal reel is provided with a push pedal, the madial wall of the corresponding described centrifugal reel in side of described push pedal, and the direction that described push pedal extends is identical with the rotation direction of described centrifugal reel.
7. the centrifugal solid-liquid separator of a kind of antistatic as claimed in claim 6, it is characterized in that: in described centrifugal reel, be inserted with a knife bar, the central shaft of described knife bar is parallel with the central shaft of described centrifugal reel, in the relatively turnable upper end plate being arranged on described outer shell barrel of described knife bar, one end that described knife bar is piercing in described outer shell barrel upper end plate is fixedly installed a crank, the actuating arm of described crank and the drive end of a cylinder link, described cylinder is fixedly mounted on the upper end plate of described outer shell barrel, one end radial direction that described knife bar is inserted in described centrifugal reel is fixedly connected with a fork, the other end of described fork is fixedly connected with a scraper, the blade of described scraper is parallel with the central shaft of described centrifugal reel, described scraper can revolve round the sun around described knife bar, described in described knife bar linkage, scraper turns to the inner tube wall of centrifugal reel described in blade scraping.
8. the centrifugal solid-liquid separator of a kind of antistatic as claimed in claim 7, it is characterized in that: bottom described outer shell barrel, corresponding described discharging via hole is provided with a discharge tube, described discharge tube is back taper tubular, the large mouth of described discharge tube upper end is corresponding with described discharging via hole, and the osculum of described discharge tube lower end is discharge port.
9. the centrifugal solid-liquid separator of a kind of antistatic as claimed in claim 8, it is characterized in that: bottom described outer shell barrel and between described discharge tube, be provided with a main shaft installing rack, there is in described main shaft installing rack a blowing via hole corresponding with described discharging via hole, a bearing block is fixedly installed by spoke-like support in centre in described blowing via hole, described main shaft by bearing axial restraint and can rotation be arranged in described bearing block, described main shaft is installed with belt pulley through one end of the corresponding described discharge tube of described bearing block, the torque output of described drive unit is fixedly installed a drive pulley, interlock belt is provided with between described drive pulley and described belt pulley, described main shaft installing rack is provided with driving protection shell between corresponding described drive pulley and described belt pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520125303.6U CN204602419U (en) | 2015-03-04 | 2015-03-04 | The centrifugal solid-liquid separator of antistatic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520125303.6U CN204602419U (en) | 2015-03-04 | 2015-03-04 | The centrifugal solid-liquid separator of antistatic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204602419U true CN204602419U (en) | 2015-09-02 |
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ID=53955008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520125303.6U Expired - Fee Related CN204602419U (en) | 2015-03-04 | 2015-03-04 | The centrifugal solid-liquid separator of antistatic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204602419U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625009A (en) * | 2017-01-21 | 2017-05-10 | 苏州星亿机械有限公司 | Oil-chip separating equipment |
| EP3372339A1 (en) * | 2017-03-07 | 2018-09-12 | Riera Nadeu, S.A. | Self-cleaning rotating sight glas and centrifuge machine having said rotating sight glass |
| CN113235260A (en) * | 2016-11-11 | 2021-08-10 | 松下知识产权经营株式会社 | Washing machine |
-
2015
- 2015-03-04 CN CN201520125303.6U patent/CN204602419U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235260A (en) * | 2016-11-11 | 2021-08-10 | 松下知识产权经营株式会社 | Washing machine |
| CN113235260B (en) * | 2016-11-11 | 2023-08-25 | 松下知识产权经营株式会社 | washing machine |
| CN106625009A (en) * | 2017-01-21 | 2017-05-10 | 苏州星亿机械有限公司 | Oil-chip separating equipment |
| EP3372339A1 (en) * | 2017-03-07 | 2018-09-12 | Riera Nadeu, S.A. | Self-cleaning rotating sight glas and centrifuge machine having said rotating sight glass |
| WO2018162433A1 (en) * | 2017-03-07 | 2018-09-13 | Riera Nadeu, S.A. | Self-cleaning rotary viewing hole and centrifugal machine provided with said rotary viewing hole |
| US11648570B2 (en) | 2017-03-07 | 2023-05-16 | Riera Nadeu, S.A. | Self-cleaning rotary viewing hole and centrifugal machine provided with said rotary viewing hole |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20180304 |
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| CF01 | Termination of patent right due to non-payment of annual fee |