CN106522153A - Energy-gathering rotary accelerating silt removal method for long-distance standard-section artesian ditch - Google Patents
Energy-gathering rotary accelerating silt removal method for long-distance standard-section artesian ditch Download PDFInfo
- Publication number
- CN106522153A CN106522153A CN201611184392.7A CN201611184392A CN106522153A CN 106522153 A CN106522153 A CN 106522153A CN 201611184392 A CN201611184392 A CN 201611184392A CN 106522153 A CN106522153 A CN 106522153A
- Authority
- CN
- China
- Prior art keywords
- canal
- silt
- cumulative
- ditch
- settling pit
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
- E02B3/023—Removing sediments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
Abstract
The invention discloses an energy-gathering rotary accelerating silt removal method for a long-distance standard-section artesian ditch. The method includes the steps of 1, determining the position and the number of energy-gathering rotary accelerating silt removal parts according to the environmental condition of the artesian ditch; 2, arranging an intra-ditch desilting basin in a bottom of the artesian ditch, arranging an extra-ditch desilting basin outside the artesian ditch, arranging energy-gathering cones on the downstream sides of bottom sills of radial gates of a regulating sluice, arranging energy-gathering rotary accelerating water pipelines between the intra-ditch desilting basin and the energy-gathering cones, arranging rotary accelerating water pipe valves on the energy-gathering rotary accelerating water pipelines, communicating the intra-ditch desilting basin to the extra-ditch desilting basin through a silt drawing pipe and arranging a silt drawing pipe valve at the tail end of the silt drawing pipe; and 3, removing silt on the bottom of the ditch. The method has the advantages that on the premise of realizing continuous water transferring and supplying of the long-distance standard-section artesian ditch, the flowing energy of water in the ditch is gathered to remove the silt in the ditch, and the phenomenon that the silt in the ditch is deposited seriously and influences safe operation of water conservancy facilities is prevented.
Description
Technical field
The present invention relates to it is long away from standard section gravity flow canal, accelerate away from standard section gravity flow canal cumulative convolution more particularly, to long
Cleaning silt method.
Background technology
With the development of social economy, work, Water Consumption in Agriculture and domestic consumption are increasing, and the supply of water is not enough will
The development of serious restriction national economy and the orthobiosiss of impact people.Therefore, length is taken to flow automatically canal to adjust away from standard section
Watering balance between abundance of water region and water shortage area, is important means that hydraulic engineering is adopted.Growing away from standard section certainly
During stream canal is run without interruption year in year out, certainly will there is silt, Organic substance product silt in channel, study carefully its Producing reason
Mainly there are following several respects：1st, water head site water body carries silt and enters gravity flow canal：Affected by water head site nature objective condition, deposited
In suspension bed sediment, wet season（Rainy season）Sediment charge is higher, dry season（Dry season）Sediment charge is relatively low, long-term transfer water project
The silt of water head site can be brought in gravity flow canal；2nd, the external environment condition silt of channel enters gravity flow canal：Gravity flow canal is year in year out not
The operation of interruption, is changed by weather and weather, has the carrying silt of the airborne dust in air and fall in canal when blowing hard；It is lower big
During rain, meeting rain carries the silt on embankment side in canal.Free flow segment length of the domestic wall scroll length away from standard section gravity flow canal is
Jing more than 1100km, rough estimates, every year by outside gravity flow canal by flow automatically canal two sides Qu Di and along the air of canal both sides airborne dust
Into the silt in canal more than tons thousands of or even up to ten thousand；3rd, noxious pollutant is deposited on polluted water in silt：Length is
, there is toy unavoidably in the free flow canal longtime running of 1100 km（Mouse, Serpentiss, fish, Rana nigromaculata, teal）And the corpse deposition of birds
In canal bed mud sand, rotten Organic substance can produce pollution to water quality, affect water transfer and quality of water supply.It is therefore prevented that mud in canal
The safety of husky a large amount of effect of reservoir siltation water conservancy projects and water quality, carries out periodic cleaning silt and precipitation away from standard section gravity flow canal to long
Thing is imperative, but yet there are no all measures about report cleaning silt and pollutant.
The content of the invention
Present invention aim at providing a kind of long convolution away from standard section gravity flow canal cumulative accelerates cleaning silt method.
For achieving the above object, the present invention takes following technical proposals：
Length of the present invention accelerates cleaning silt method away from standard section gravity flow canal cumulative convolution, comprises the steps：
The first step, the ambient conditions according to residing for the gravity flow canal, calculate the desilting amount of each typical section in canal, with reference to being built in
The gates of segmental shape of check gate in gravity flow channel, determines that cumulative convolution accelerates the position of cleaning silt and quantity；
Second step, it is described gravity flow canal canal bottom be located at the check gate upstream side excavate downwards arrangement canal in settling pit, oneself
The outer settling pit of stream canal disposed outside canal, in the gates of segmental shape Di Kan downstreams arrangement cumulative cone of check gate, the cumulative cone is loudspeaker
Mouth shaped form structure, comes from the special construction of cumulative cone, and cumulative cone with the function of assembling water body kinetic energy, it is big straight that bore by cumulative
Footpath cone mouth is water inlet and arranges towards upstream side；Arrange between settling pit and cumulative cone in the canal that cumulative convolution accelerates water pipe
Road, cumulative convolution accelerates that water inlet and the cumulative cone of waterpipe connect and outlet is located in canal in settling pit, poly-
Can circle round and accelerate to arrange to circle round on waterpipe to accelerate aqueduct valve；By drawing sand tube phase between settling pit and the outer settling pit of canal in canal
Connection, draws sand tube valve arranging positioned at the outer settling pit entrance of drawing sand tube end canal；
The husky cleaning of 3rd step, canal bed mud：
Mode one：The gravity flow canal is when normally running, and check gate gates of segmental shape is in opening, convolution accelerate aqueduct valve and
Sand tube valve is drawn to be turned off, the sedimentation that the channel water body that flows automatically is carried is inside settling pit in canal；Wait silt continuous deposition
When reaching certain amount, open and draw sand tube valve, the silt in canal in settling pit is drained in the outer settling pit of canal by drawing sand tube；
Mode two：The gravity flow canal is when normally running, and check gate gates of segmental shape is in opening, convolution accelerate aqueduct valve and
Sand tube valve is drawn to be turned off, the sedimentation that the channel water body that flows automatically is carried is inside settling pit in canal；Wait silt continuous deposition
When reaching certain amount, operation check gate gates of segmental shape makes gates of segmental shape aperture less than less than 1/2nd, then opens and draws husky
Tube valve and convolution accelerate aqueduct valve, as gates of segmental shape aperture reduces, form the forward and backward water-head of gate, by check gate
Upland water water velocity accelerate, kinetic energy increase, Jing cumulative cone cumulative after, water velocity further speeds up, kinetic energy is further
Increase, flow into cumulative convolution and accelerate the current in waterpipe to further speed up, cumulative convolution accelerates the impact of waterpipe outlet stream
Silt in canal in settling pit so that the silt in canal in settling pit is in discrete and half suspended state, silt is easy to pass through
Sand tube is drawn to drain in the outer settling pit of canal.
Drawing sand tube water inlet in settling pit in the canal is arranged towards upstream side, and the cumulative convolution accelerates water pipe
The outlet in road is arranged in canal in settling pit towards downstream；The elevation at the cumulative coning mouth of a river is more than the drawing sand tube
Water inlet elevation.
The cumulative convolution accelerates the middle segment pipe of waterpipe to be located at the length on the outside of standard section gravity flow canal, and is water
The flat arc pipe for extending.
The invention has the advantages that on the premise of realizing that length flows automatically the uninterrupted water transfer of canal and water supply away from standard section, by restraining
Lock gates of segmental shape, cumulative convolution accelerate aqueduct valve, draw the operation of sand tube valve, it is not necessary to extra power, using channel water stream
Silt in the energy accumulating cleaning canal of itself is moved, the safe operation of a large amount of effect of reservoir siltation water conservancy projects of silt in canal is prevented, draws husky
Process excludes harmful substance in silt（The dust grains of sand of pollution）, rot Organic substance, toy（Mouse, Serpentiss, fish, teal）And
Corpse of birds etc., reaches the water quality safety purpose for ensureing water transfer and supplying water.Also there is silt mode of operation simultaneously in cleaning canal
Simply, human resourcess, the little advantage of operation maintenance workload are saved.
Description of the drawings
Fig. 1 is the horizontal layout schematic diagram of present invention cleaning silt facility.
Fig. 2 is the A-A of Fig. 1 to cross section structure diagram.
Fig. 3 is the I portions mplifying structure schematic diagram of Fig. 2.
Fig. 4 is the B-B direction cross section structure diagram of Fig. 3.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are elaborated, the present embodiment is with technical solution of the present invention as front
Put and implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to down
State embodiment.
As Figure 1-4, length of the present invention accelerates cleaning silt method away from standard section gravity flow canal cumulative convolution, including
Following step：
The first step, the ambient conditions according to residing for the gravity flow canal 1, calculate the desilting amount of each typical section in canal, with reference to building
The gates of segmental shape 2 of check gate in gravity flow channel, determines that cumulative convolution accelerates the position of cleaning silt and quantity；
Second step, gravity flow canal 1 canal bottom 3 be located at check gate upstream side excavate downwards arrangement canal in settling pit 4, flow automatically canal 1
The outer settling pit 5 of disposed outside canal, bores 6 in 2 Di Kan downstreams of the gates of segmental shape arrangement cumulative of check gate, and cumulative cone 6 is horn mouth
Shaped form structure, the major diameter cone mouth of cumulative cone 6 are water inlet and arrange towards upstream side；In canal settling pit 4 and cumulative cone 6 it
Between arrange that cumulative convolution accelerates waterpipe 7, cumulative convolution accelerates water inlet and the cumulative of waterpipe 7 to bore 6 to connect and outlet position
In settling pit 4 in canal, cumulative convolution accelerates the outlet of waterpipe 7 to be arranged in canal in settling pit 4 towards downstream；Cumulative
It is the horizontal-extending segmental arc pipeline 8 on the outside of gravity flow canal 1 that convolution accelerates the middle segment pipe of waterpipe 7, and cumulative convolution accelerates water pipe
Convolution is set on the segmental arc pipeline 8 in road 7 and accelerates aqueduct valve 9；By drawing sand tube between settling pit 4 and the outer settling pit 5 of canal in canal
10 are connected, and draw 10 water inlet of sand tube to be arranged in canal in settling pit 4 towards upstream side；Sand tube 10 is drawn to be located at the outer settling pit 5 of canal
Entrance is arranged draws sand tube valve 11.
The husky cleaning of 3rd step, canal bed mud：
Mode one：During gravity flow 1 normal operation of canal, check gate gates of segmental shape 2 is in opening, and convolution accelerates 9 He of aqueduct valve
Sand tube valve 11 is drawn to be turned off, the sedimentation that water body is carried in the canal 1 that flows automatically is inside settling pit 4 in canal；Silt is waited to continue
When deposition reaches certain amount, open and draw sand tube valve 11, the silt in canal in settling pit 4 is sunk by drawing sand tube 10 to drain into outside canal
In sand basin 5.In the manner cleaning canal the characteristics of silt it is：Unclean, thorough, the cleaning silt consuming water yield of silt cleaning
Greatly, the cleaning silt consuming time is long, but need not operate check gate gates of segmental shape 2.
Mode two：During gravity flow 1 normal operation of canal, check gate arc gate 2 is in opening, and convolution accelerates aqueduct valve
9 are turned off with drawing sand tube valve 11, and the sedimentation that water body is carried in the canal 1 that flows automatically is inside settling pit 4 in canal；Silt is waited to hold
When continuous deposition reaches certain amount, operation check gate makes 2 aperture of gates of segmental shape less than less than 1/2nd,（Certainly, gates of segmental shape
2 aperture is less, forms the forward and backward water-head of gate, is increased by the upland water water velocity quickening of check gate, kinetic energy；）So
Open afterwards and draw sand tube valve 11 and cumulative convolution to accelerate aqueduct valve 9, as 2 aperture of gates of segmental shape reduces, by check gate
Upland water flow velocity degree accelerates kinetic energy to be increased, and Jing after cumulative bores 6 cumulatives, water velocity further speeds up, kinetic energy further increases,
Flowing into cumulative convolution accelerates the current in waterpipe 7 to further speed up the silt in impact canal in settling pit 4 so that desilting in canal
Silt in pond 4 is in discrete and half suspended state and is drained in the outer settling pit 5 of canal by drawing sand tube 10.In the manner cleaning canal
The characteristics of silt is：The comparison of silt cleaning is clean, can especially exclude harmful substance in silt（The dust grains of sand of pollution）、
Rotten Organic substance, toy（Mouse, Serpentiss, fish, Rana nigromaculata, teal）And the corpse of birds etc., the cleaning silt consuming water yield is little, clearly
It is short that reason silt expends the time.Simultaneously also with cleaning canal, silt mode of operation is simple, save human resourcess, operation maintenance work
The little advantage of amount.
Claims (3)
1. a kind of long away from standard section gravity flow canal cumulative convolution acceleration cleaning silt method, it is characterised in that：Comprise the steps：
The first step, the ambient conditions according to residing for the gravity flow canal, calculate the desilting amount of each typical section in canal, with reference to being built in
The gates of segmental shape of check gate in gravity flow channel, determines that cumulative convolution accelerates the position of cleaning silt and quantity；
Second step, it is described gravity flow canal canal bottom be located at the check gate upstream side excavate downwards arrangement canal in settling pit, oneself
The outer settling pit of stream canal disposed outside canal, in the gates of segmental shape Di Kan downstreams arrangement cumulative cone of check gate, the cumulative cone is loudspeaker
Mouth shaped form structure, comes from the special construction of cumulative cone, and cumulative cone with the function of assembling water body kinetic energy, it is big straight that bore by cumulative
Footpath cone mouth is water inlet and arranges towards upstream side；Arrange between settling pit and cumulative cone in the canal that cumulative convolution accelerates water pipe
Road, cumulative convolution accelerates that water inlet and the cumulative cone of waterpipe connect and outlet is located in canal in settling pit, poly-
Can circle round and accelerate to arrange to circle round on waterpipe to accelerate aqueduct valve；By drawing sand tube phase between settling pit and the outer settling pit of canal in canal
Connection, draws sand tube valve arranging positioned at the outer settling pit entrance of drawing sand tube end canal；
The husky cleaning of 3rd step, canal bed mud：
Mode one：The gravity flow canal is when normally running, and check gate gates of segmental shape is in opening, convolution accelerate aqueduct valve and
Sand tube valve is drawn to be turned off, the sedimentation that the channel water body that flows automatically is carried is inside settling pit in canal；Wait silt continuous deposition
When reaching certain amount, open and draw sand tube valve, the silt in canal in settling pit is drained in the outer settling pit of canal by drawing sand tube；
Mode two：The gravity flow canal is when normally running, and check gate gates of segmental shape is in opening, convolution accelerate aqueduct valve and
Sand tube valve is drawn to be turned off, the sedimentation that the channel water body that flows automatically is carried is inside settling pit in canal；Wait silt continuous deposition
When reaching certain amount, operation check gate gates of segmental shape makes gates of segmental shape aperture less than less than 1/2nd, then opens and draws husky
Tube valve and convolution accelerate aqueduct valve, as gates of segmental shape aperture reduces, form the forward and backward water-head of gate, by check gate
Upland water water velocity accelerate, kinetic energy increase, Jing cumulative cone cumulative after, water velocity further speeds up, kinetic energy is further
Increase, flow into cumulative convolution and accelerate the current in waterpipe to further speed up, cumulative convolution accelerates the impact of waterpipe outlet stream
Silt in canal in settling pit so that the silt in canal in settling pit is in discrete and half suspended state, silt is i.e. husky by drawing
Bank of tubes is to the outer settling pit of canal.
2. grow according to claim 1 and accelerate cleaning silt method away from standard section gravity flow canal cumulative convolution, it is characterised in that：
Drawing sand tube water inlet direction in settling pit in the canal is arranged towards upstream side, and the cumulative convolution accelerates going out for waterpipe
The mouth of a river is directed downward trip side and is arranged in canal in settling pit.
3. length according to claim 1 or claim 2 accelerates cleaning silt method, its feature to exist away from standard section gravity flow canal cumulative convolution
In：The cumulative convolution accelerates the middle segment pipe of waterpipe to be located at the length on the outside of standard section gravity flow canal, and prolongs for level
The arc pipe stretched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184392.7A CN106522153B (en) | 2016-12-20 | 2016-12-20 | It is long to accelerate cleaning silt method away from standard section gravity flow canal cumulative convolution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184392.7A CN106522153B (en) | 2016-12-20 | 2016-12-20 | It is long to accelerate cleaning silt method away from standard section gravity flow canal cumulative convolution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106522153A true CN106522153A (en) | 2017-03-22 |
| CN106522153B CN106522153B (en) | 2018-05-18 |
Family
ID=58339738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611184392.7A Active CN106522153B (en) | 2016-12-20 | 2016-12-20 | It is long to accelerate cleaning silt method away from standard section gravity flow canal cumulative convolution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522153B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814078A (en) * | 2021-02-03 | 2021-05-18 | 河南省水利勘测设计研究有限公司 | Sediment cleaning method for water inlet pool of water delivery pump station |
| CN112814080A (en) * | 2021-02-03 | 2021-05-18 | 河南省水利勘测设计研究有限公司 | Method for cleaning silt in front water inlet tank of water delivery pump station |
| CN112814079A (en) * | 2021-02-03 | 2021-05-18 | 河南省水利勘测设计研究有限公司 | Method for cleaning silt in shared water inlet tank of double-water-supply pump station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3638432A (en) * | 1969-04-28 | 1972-02-01 | Townsend L Schoonmaker | Stationary dredging apparatus |
| CN1096553A (en) * | 1993-06-17 | 1994-12-21 | 丰岛兼人 | Utilize ocean current to remove the method and system of river mouth accreting sand |
| GB2281327A (en) * | 1993-08-23 | 1995-03-01 | Univ Hull | Moving underwater sediment |
| CN204252079U (en) * | 2014-11-19 | 2015-04-08 | 黄河勘测规划设计有限公司 | Long apart from standard section gravity flow canal increasing water delivery flow apparatus |
| CN104652352A (en) * | 2013-11-15 | 2015-05-27 | 杨光华 | System for removing riverbed silt sediments by diverting seawater |
-
2016
- 2016-12-20 CN CN201611184392.7A patent/CN106522153B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3638432A (en) * | 1969-04-28 | 1972-02-01 | Townsend L Schoonmaker | Stationary dredging apparatus |
| CN1096553A (en) * | 1993-06-17 | 1994-12-21 | 丰岛兼人 | Utilize ocean current to remove the method and system of river mouth accreting sand |
| GB2281327A (en) * | 1993-08-23 | 1995-03-01 | Univ Hull | Moving underwater sediment |
| CN104652352A (en) * | 2013-11-15 | 2015-05-27 | 杨光华 | System for removing riverbed silt sediments by diverting seawater |
| CN204252079U (en) * | 2014-11-19 | 2015-04-08 | 黄河勘测规划设计有限公司 | Long apart from standard section gravity flow canal increasing water delivery flow apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814078A (en) * | 2021-02-03 | 2021-05-18 | 河南省水利勘测设计研究有限公司 | Sediment cleaning method for water inlet pool of water delivery pump station |
| CN112814080A (en) * | 2021-02-03 | 2021-05-18 | 河南省水利勘测设计研究有限公司 | Method for cleaning silt in front water inlet tank of water delivery pump station |
| CN112814079A (en) * | 2021-02-03 | 2021-05-18 | 河南省水利勘测设计研究有限公司 | Method for cleaning silt in shared water inlet tank of double-water-supply pump station |
| CN112814079B (en) * | 2021-02-03 | 2022-08-05 | 河南省水利勘测设计研究有限公司 | Method for cleaning silt in shared water inlet tank of double-water-supply pump station |
| CN112814078B (en) * | 2021-02-03 | 2022-08-05 | 河南省水利勘测设计研究有限公司 | Method for cleaning silt in water inlet pool of water transfer pump station |
| CN112814080B (en) * | 2021-02-03 | 2022-08-09 | 河南省水利勘测设计研究有限公司 | Method for cleaning silt in front water inlet tank of water delivery pump station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106522153B (en) | 2018-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205116250U (en) | Sediment removal device of reservoir among hydraulic engineering | |
| CN106522153B (en) | It is long to accelerate cleaning silt method away from standard section gravity flow canal cumulative convolution | |
| CN104947780A (en) | Inflow vertical shaft system connected into deep tunnel drainage system | |
| CN105625504A (en) | Qanat type underground reservoir water collection gallery in arid region | |
| CN206408667U (en) | A kind of backwater gate bottom Accrete clearing device | |
| CN107416983A (en) | Water environment treatment system and method based on water pumping of the wind-force technology | |
| CN206245390U (en) | A kind of culvert pipe water channeling type pumping plant | |
| CN206768983U (en) | A kind of rainwater usury greenbelt | |
| CN106223455A (en) | A kind of drainage pipeline automatic dash turnover panel dams flusher | |
| CN206570754U (en) | It is long to accelerate cleaning silt system away from standard section gravity flow canal cumulative convolution | |
| CN201850643U (en) | Closure deep well self-siphon hydraulic dredging device | |
| CN108661100A (en) | A kind of reservoir desilting system of novel hydropower driving | |
| CN103114565B (en) | River-closure water-diversion system suitable for slope torrent watercourse water-diversion generation and hydropower stations | |
| JP2014173253A (en) | System for moving and discharging sediment within reservoir by making use of dam discharge energy | |
| CN203523458U (en) | Water level self-adaptation anti-blocking water inlet device | |
| CN109868856A (en) | The box feed ditch sand discharge apparatus of small reservoir | |
| CN202610962U (en) | Siphon-type desilting device of water storage and drainage tunnel | |
| KR20150090794A (en) | Non dam hydroelectric power | |
| CN103485387A (en) | Canal-irrigation-area pipe water delivery irrigation system | |
| CN104975644B (en) | Special pipe storage system for road initial rainwater | |
| CN207680113U (en) | One kind disappears power setting pot | |
| CN207404944U (en) | A kind of water environment treatment system based on water pumping of the wind-force technology | |
| CN101535629B (en) | Flood control system | |
| CN207243686U (en) | A kind of overpass rain processing system | |
| CN207862874U (en) | Hydraulic automatism subtracts silt system before a kind of overflow dam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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 |