CN115090633B - High-pressure spray cleaning rotating head - Google Patents
High-pressure spray cleaning rotating head Download PDFInfo
- Publication number
- CN115090633B CN115090633B CN202210684959.6A CN202210684959A CN115090633B CN 115090633 B CN115090633 B CN 115090633B CN 202210684959 A CN202210684959 A CN 202210684959A CN 115090633 B CN115090633 B CN 115090633B
- Authority
- CN
- China
- Prior art keywords
- flow
- turbine
- water
- spraying
- flow dividing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a high-pressure spray cleaning rotating head, which is characterized in that: the device comprises a flow dividing device, a turbine device and a spraying device; one end of the flow dividing device is a water inlet, and the other end of the flow dividing device is connected with the turbine device; the other end of the turbine device is connected with a spraying device; the flow dividing device is used for dividing the water column into spiral water flow and increasing the pressure; the turbine device is used for compressing thinner water flows by spiral water flows, then collecting the water flows, further increasing the pressure, and the spraying device is used for converting the water flows into spraying water columns and automatically rotating; the flow dividing device, the turbine device and the spraying device are matched with each other, so that 360-degree omnibearing spraying is realized.
Description
Technical Field
The invention relates to the field of high-pressure spraying equipment, in particular to a high-pressure spraying cleaning rotating head.
Background
The rotary spraying mechanism device is needed for cleaning, sterilizing and disinfecting in the fields of food manufacturing container reaction kettles and the like, medical industry high-temperature sterilization, chemical industry corrosive liquid, precise instrument containers and the like, but the rotary spraying mechanism is available in the market at present, but the following defects exist:
1. the pressure of the pressurizing pump is not small, and the high-pressure cleaning effect can not be achieved
2. The spray rotary flushing can not achieve 360-degree omnibearing rotary cleaning, and dead angle residues can not be removed, especially in narrow containers, medical instrument containers and the like
3. The existing spraying volume is larger, and the method is not suitable for cleaning the inside of a small container and precise components
The existing spraying can not achieve the production of the anti-corrosion and acid and alkali resistant 316 material.
Disclosure of Invention
The invention aims to provide an inclined fence and an installation method thereof, which are used for solving the problems of complicated assembly and poor attractiveness in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high pressure sprays washs swivel head which characterized in that: the device comprises a flow dividing device, a turbine device and a spraying device; one end of the flow dividing device is a water inlet, and the other end of the flow dividing device is connected with the turbine device; the other end of the turbine device is connected with a spraying device;
the flow dividing device is used for dividing the water column into spiral water flow and increasing the pressure; comprises a water inlet, a split-flow shell and a split-flow block; the split-flow shell is a circular tube, one end of the split-flow shell is a water inlet, and the other end of the split-flow shell is a connecting end with the rotating device; the front part of the split flow block is a cone with the top end facing the water inlet, the rear end of the split flow block is a cylinder with uniformly distributed lugs, and the split flow block is supported in a circular tube of the split flow shell through the lugs;
the turbine device is used for compressing finer water flow by spiral water flow and then converging the water flow, so that the pressure is further increased; comprising a turbine and a turbine housing; the turbine is a cylinder with the rear end provided with two uniformly distributed convex blocks and is placed in a circular tube type turbine shell;
the spraying device is used for converting water flow into spraying water columns and automatically rotating; comprises a fixed joint, a rotating head, a rotary spray disc and a connecting rod; one end of the fixed joint is connected with the turbine shell, one end of the fixed joint is connected with the rotating head, and the fixed joint is provided with a gear joint extending to the cavity inside the rotating head; the rotary head is internally provided with a cavity, and the outer wall of the rotary head is provided with a reverse flow port; the connecting rod is a hollow cylinder, one end of the connecting rod is a gear end which penetrates through a cavity of the rotating head and is connected with the gear joint, and the other end of the connecting rod is connected with the rotary spraying disc; the rotary spraying disc is provided with a water spray opening.
Preferably: the diversion device, the turbine device and the spraying device are in threaded connection.
Preferably: a fixed rod for fixing is arranged between the shunt block and the turbine; and two ends of the fixed rod are respectively inserted into the grooves of the flow dividing block and the turbine.
Preferably: the lug of reposition of redundant personnel piece is fan-shaped lug, swing joint between reposition of redundant personnel piece and the reposition of redundant personnel shell, rivers pass through the reposition of redundant personnel piece, drive the high-speed rotation of reposition of redundant personnel piece.
Preferably: the turbine is a fixed rod II with the rear end connected with the top end of the rotating head and used for stabilizing the rotating head.
Preferably: the connecting rod is connected with the rotating head through a bearing; the connecting rod is fixedly connected with the rotary spraying disc, water flow drives the rotary spraying disc 9 to rotate, the rotary spraying disc drives the connecting rod to move, and the connecting rod drives the spraying device to rotate.
Preferably: the inside cross fence that is equipped with of water jet of rotatory spray disk.
Preferably: the water spraying ports are divided into at least two groups and symmetrically distributed on the rotary spraying disc.
Preferably: the material of the flow dividing device, the turbine device and the spraying device is 316 stainless steel
Compared with the prior art, the invention has the beneficial effects that:
the high-pressure can be generated by matching the flow dividing device with the turbine device and water without external power; the tap water is connected to realize high-pressure rotary omnibearing spraying.
The inside high accuracy of spray set rotatory kingpin, rotatory spray dish itself is rotatory, drives the rotating head rotation simultaneously, spray set's 360 degrees rotations of all-round.
The spray header is designed with high-pressure diversion, so that water flow can be discharged through the turbine in a high-speed rotation way to achieve a high-pressure atomization state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an explosion structure of a high pressure spray cleaning rotary head according to the present invention;
FIG. 2 is a perspective view and a cross-sectional view of a high pressure spray cleaning rotary head according to the present invention;
FIG. 3 is a perspective view and a cross-sectional view of a rotary spray disk of a high pressure spray cleaning rotary head according to the present invention;
FIG. 4 is a perspective view of a rotary spray tray of a high pressure spray cleaning swivel in accordance with the present invention;
FIG. 5 is a perspective view of a fixed rod of a high pressure spray cleaning swivel of the present invention;
FIG. 6 is a perspective view of a stationary bar of a high pressure spray cleaning swivel in accordance with the present invention;
fig. 7 is a perspective view of a connecting rod of a high pressure spray cleaning swivel in accordance with the present invention.
Reference numerals in the drawings illustrate:
1. the device comprises a split-flow shell, 2, split-flow blocks, 3, a turbine, 4, a second fixed rod, 5, a connecting rod, 6, a water inlet, 7, a rotating head, 8, a water jet, 9, a rotary spray disc, 10, a turbine shell, 11, a fixed joint, 12, a fixed rod, 111, a gear joint, 21, a cone, 22, a lug, 31, a second lug, 71 and a backflow port.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-6, an embodiment of the present invention is provided: the utility model provides a high pressure sprays washs swivel head which characterized in that: the device comprises a flow dividing device, a turbine device and a spraying device; one end of the flow dividing device is a water inlet, and the other end of the flow dividing device is connected with the turbine device; the other end of the turbine device is connected with a spraying device; the whole is made of 316 stainless steel.
The flow dividing device is used for dividing the water column into spiral water flow and increasing the pressure; comprises a water inlet 6, a split-flow shell 1 and a split-flow block 2; the split-flow shell 1 is a circular tube, one end of the split-flow shell is provided with a water inlet 6, and the other end of the split-flow shell is provided with a connecting end with a rotating device; the front part of the flow dividing block 2 is a cone 21 with the top end facing the water inlet 6, the rear end of the flow dividing block is a cylinder with uniformly distributed convex blocks 22, and the flow dividing block 2 is supported in a circular tube of the flow dividing shell 1 through the convex blocks 22;
the turbine device is used for compressing finer water flow by spiral water flow and then converging the water flow, so that the pressure is further increased; comprising a turbine 3 and a turbine housing 10; the turbine 3 is a cylinder with the rear end provided with two uniformly distributed convex blocks 31 and is placed in a circular tube type turbine shell;
the spraying device is used for converting water flow into spraying water columns and automatically rotating; comprises a fixed joint 11, a rotating head 7, a rotary spray disk 9 and a connecting rod 5; one end of the fixed joint 11 is connected with the turbine shell 10, and the other end of the fixed joint is connected with the rotating head 7, and the fixed joint 11 is provided with a gear joint 111 extending to the cavity inside the rotating head 7; the rotary head 7 is internally provided with a cavity, and the outer wall of the rotary head is provided with a reverse flow port 71; the connecting rod 5 is a hollow cylinder, one end of the connecting rod 5 is a gear end which penetrates through a cavity of the rotating head 7 and is connected with the gear joint 111, and the other end of the connecting rod is connected with the rotary spraying disc 9; the rotary spray disc is provided with a water spray opening 8; the diversion device, the turbine device and the spraying device are in threaded connection.
Further, a fixing rod 12 for fixing is arranged between the split block 2 and the turbine 3; two ends of the fixed rod 12 are respectively inserted into grooves of the split block 2 and the turbine 3; one end of the fixing rod 12 inserted into the turbine 3 is provided with a gear bulge, so that the rotation is convenient, the fixing rod stabilizes the position of the split flow block 2, and the water cannot move after being impacted and inclined by water flow.
Further, the protruding block 22 of the split block 2 is a fan-shaped protruding block, the split block 2 is movably connected with the split shell 1, and water flows through the split block 2 to drive the split block 2 to rotate at a high speed.
Further, the turbine 3 is a second fixing rod 4 with a rear end connected to a top end of the rotating head 7, and is used for stabilizing the rotating head 7, and preventing the rotating head 7 from being worn and inclined after long-term rotation.
Further, the connecting rod 5 is connected with the rotating head 7 through a bearing; the connecting rod 5 is fixedly connected with the rotary spraying disc 9, water flow drives the rotary spraying disc 9 to rotate, the rotary spraying disc 9 drives the connecting rod 5 to move, and the connecting rod 5 drives the spraying device to rotate.
Furthermore, a cross fence is arranged in the water spraying port 8 of the rotary spraying disc 9, the cross fence is inclined, and after water flow is divided by the cross fence, the water flow is sprayed obliquely to drive the rotary spraying disc to further rotate.
Further, the water jets 8 are divided into at least two groups, symmetrically distributed on the rotary spray disk.
Working principle: the medium enters from the water inlet 6, is split by the split block 2 and then is split by the convex block 22 of the split block 2 and the convex block II 31 of the turbine, so that spiral water flow is generated; the water flow is collected into the inner cavity of the rotary head 7, then flows out to the rotary spray disk 9 through the inverted flow port 5, finally is sprayed out through the nozzle opening 8, the water flow sprayed out from the nozzle opening 8 drives the rotary spray disk 9 to rotate, the rotary spray disk 9 drives the connecting rod 5 to rotate, and the connecting rod 5 is connected with the gear joint 111, so that the rotary head 7 is driven to rotate.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a high pressure sprays washs swivel head which characterized in that: the device comprises a flow dividing device, a turbine device and a spraying device; one end of the flow dividing device is provided with a water inlet (6), and the other end of the flow dividing device is connected with the turbine device; the other end of the turbine device is connected with a spraying device;
the flow dividing device is used for dividing the water column into spiral water flow and increasing the pressure; comprises a water inlet (6), a split-flow shell (1) and a split-flow block (2); the split-flow shell (1) is a circular tube, one end of the split-flow shell is a water inlet (6), and the other end of the split-flow shell is a connecting end with the rotating device; the front part of the flow dividing block (2) is a cone (21) with the top end facing the water inlet (6), the rear end of the flow dividing block is a cylinder with uniformly distributed convex blocks (22), and the flow dividing block (2) is supported in a circular tube of the flow dividing shell (1) through the convex blocks (22);
the turbine device is used for compressing finer water flow by spiral water flow and then converging the water flow, so that the pressure is further increased; comprises a turbine (3) and a turbine housing (10); the turbine (3) is a cylinder with the rear end provided with two uniformly distributed convex blocks (31) and is placed in the circular tube type turbine shell (10);
the spraying device is used for converting water flow into spraying water columns and automatically rotating; comprises a fixed joint (11), a rotating head (7), a rotary spray disc (9) and a connecting rod (5); one end of the fixed joint (11) is connected with the turbine shell (10), and the other end is connected with the rotating head (7); the fixed joint (11) is provided with a gear joint (111) extending to the inner cavity of the rotary head (7); the rotary head (7) is internally provided with a cavity, and the outer wall of the rotary head is provided with a reverse flow port (71); the connecting rod (5) is a hollow cylinder, one end of the connecting rod (5) is a gear end which penetrates through a cavity of the rotating head (7) and is connected with the gear joint (111), and the other end of the connecting rod is connected with the rotary spraying disc (9); the connecting rod (5) is connected with the rotating head (7) through a bearing; the connecting rod (5) is fixedly connected with the rotary spraying disc (9), water flow drives the rotary spraying disc (9) to rotate, the rotary spraying disc (9) drives the connecting rod (5) to move, and the connecting rod (5) drives the spraying device to rotate; the rotary spraying disc is provided with a water spray opening (8), a cross fence is arranged in the water spray opening (8) of the rotary spraying disc (9), the cross fence is inclined, and after water flow is divided by the cross fence, the water flow is sprayed in an inclined mode to drive the rotary spraying disc to further rotate.
2. A high pressure spray cleaning swivel according to claim 1, wherein: the diversion device, the turbine device and the spraying device are in threaded connection.
3. A high pressure spray cleaning swivel according to claim 1, wherein: a fixing rod (12) for fixing is arranged between the flow dividing block (2) and the turbine (3); two ends of the fixed rod (12) are respectively inserted into grooves of the split block (2) and the turbine (3).
4. A high pressure spray cleaning swivel according to claim 1, wherein: the lug (22) of the flow dividing block (2) is a fan-shaped lug, the flow dividing block (2) is movably connected with the flow dividing shell (1), and water flows through the flow dividing block (2) to drive the flow dividing block (2) to rotate at a high speed.
5. A high pressure spray cleaning swivel according to claim 1, wherein: the turbine (3) is a fixed rod II (4) with the rear end connected with the top end of the rotating head (7) and is used for stabilizing the rotating head (7).
6. A high pressure spray cleaning swivel according to claim 1, wherein: the water spraying ports (8) are divided into at least two groups and symmetrically distributed on the rotary spraying disc.
7. A high pressure spray cleaning swivel according to claim 1, wherein: the material of the flow dividing device, the turbine device and the spraying device is 316 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210684959.6A CN115090633B (en) | 2022-06-14 | 2022-06-14 | High-pressure spray cleaning rotating head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210684959.6A CN115090633B (en) | 2022-06-14 | 2022-06-14 | High-pressure spray cleaning rotating head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115090633A CN115090633A (en) | 2022-09-23 |
| CN115090633B true CN115090633B (en) | 2023-07-07 |
Family
ID=83291502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210684959.6A Active CN115090633B (en) | 2022-06-14 | 2022-06-14 | High-pressure spray cleaning rotating head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115090633B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05317826A (en) * | 1992-05-13 | 1993-12-03 | Kitsuto:Kk | Method for cleaning tank |
| JPH0994547A (en) * | 1995-10-03 | 1997-04-08 | Sugino Mach Ltd | Automatic rotating cleaning device |
| JPH11179313A (en) * | 1997-12-25 | 1999-07-06 | Lion Corp | Method and apparatus for washing drying tower |
| CN2417945Y (en) * | 2000-02-29 | 2001-02-07 | 阎崇军 | Double-turbine universal automatic vessel-washing device |
| CN201067714Y (en) * | 2007-06-19 | 2008-06-04 | 胡伟 | Spray head with turbo supercharging mechanism |
| JP2012250182A (en) * | 2011-06-03 | 2012-12-20 | Spraying Systems Co Japan | Cleaning apparatus |
| CN204710594U (en) * | 2015-05-27 | 2015-10-21 | 上海守望者喷雾智能系统有限公司 | Groove tank washer jet |
| CN205684450U (en) * | 2016-06-23 | 2016-11-16 | 瞿会喜 | Injecting type rotates device for cleaning tank |
| KR20180075816A (en) * | 2016-12-27 | 2018-07-05 | 영 근 송 | Shower with rotary sprinkling nozzle |
| CN108941106A (en) * | 2018-07-17 | 2018-12-07 | 山东大学 | Comprehensive self-excited pulse cavitation jet washer |
| CN111992559A (en) * | 2020-08-01 | 2020-11-27 | 上海成东科技有限公司 | Double-head flushing device for slag-out door of automatic extracting pot |
| CN113152036A (en) * | 2020-01-07 | 2021-07-23 | 佛山市云米电器科技有限公司 | Washing machine spray head, spraying device and washing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9802167B2 (en) * | 2013-09-04 | 2017-10-31 | Knighthawk Engineering, Inc. | Turbo jet mixer |
-
2022
- 2022-06-14 CN CN202210684959.6A patent/CN115090633B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05317826A (en) * | 1992-05-13 | 1993-12-03 | Kitsuto:Kk | Method for cleaning tank |
| JPH0994547A (en) * | 1995-10-03 | 1997-04-08 | Sugino Mach Ltd | Automatic rotating cleaning device |
| JPH11179313A (en) * | 1997-12-25 | 1999-07-06 | Lion Corp | Method and apparatus for washing drying tower |
| CN2417945Y (en) * | 2000-02-29 | 2001-02-07 | 阎崇军 | Double-turbine universal automatic vessel-washing device |
| CN201067714Y (en) * | 2007-06-19 | 2008-06-04 | 胡伟 | Spray head with turbo supercharging mechanism |
| JP2012250182A (en) * | 2011-06-03 | 2012-12-20 | Spraying Systems Co Japan | Cleaning apparatus |
| CN204710594U (en) * | 2015-05-27 | 2015-10-21 | 上海守望者喷雾智能系统有限公司 | Groove tank washer jet |
| CN205684450U (en) * | 2016-06-23 | 2016-11-16 | 瞿会喜 | Injecting type rotates device for cleaning tank |
| KR20180075816A (en) * | 2016-12-27 | 2018-07-05 | 영 근 송 | Shower with rotary sprinkling nozzle |
| CN108941106A (en) * | 2018-07-17 | 2018-12-07 | 山东大学 | Comprehensive self-excited pulse cavitation jet washer |
| CN113152036A (en) * | 2020-01-07 | 2021-07-23 | 佛山市云米电器科技有限公司 | Washing machine spray head, spraying device and washing machine |
| CN111992559A (en) * | 2020-08-01 | 2020-11-27 | 上海成东科技有限公司 | Double-head flushing device for slag-out door of automatic extracting pot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115090633A (en) | 2022-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109398715A (en) | A kind of uniform plant protection unmanned plane chemical spraying device of sprinkling | |
| CN108941106A (en) | Comprehensive self-excited pulse cavitation jet washer | |
| CN115090633B (en) | High-pressure spray cleaning rotating head | |
| CN211636211U (en) | Oil field steam injection boiler water supply is with dissolving medicine device | |
| CN209650547U (en) | A kind of uniform plant protection unmanned plane chemical spraying device of sprinkling | |
| CN108746114A (en) | A kind of chemical industry equipment cleaning device | |
| CN214975182U (en) | A shower nozzle for disinfecting equipment | |
| CN109259694A (en) | A kind of spray system and cleaning machine | |
| CN211298366U (en) | Horseradish cleaning machine | |
| CN215430530U (en) | Self-rotating type cleaning device for crude oil filter screen | |
| CN2125462U (en) | Automatic rotating spraying device | |
| CN216225689U (en) | Efficient medical instrument belt cleaning device | |
| CN206838705U (en) | Container inner wall automatic flushing device and cleaning container system | |
| CN113070302B (en) | No dead angle belt cleaning device is used to feed water tank | |
| CN211246998U (en) | Rotary spraying device and cleaning system | |
| CN211835477U (en) | Cleaning and sterilizing device for nephrology department | |
| CN211096283U (en) | Gynecological clinical sterilizer capable of achieving spontaneous stirring | |
| CN109529146B (en) | Anti-hematocele flushing device for neurosurgery operation | |
| CN209715441U (en) | A kind of aerosolization nozzle | |
| CN216600740U (en) | Seed is cultivated with cleaning and disinfecting pretreatment equipment | |
| CN216604398U (en) | Device for cleaning filter element of filter | |
| CN214967026U (en) | Oral cavity cleaning gun and multi-angle cleaning nozzle | |
| CN221131836U (en) | High concentration hypochlorous acid water manufacture equipment | |
| CN214102328U (en) | Nectarine is planted and is used watering device | |
| CN216586801U (en) | Water treatment tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |