CN110424497A - A kind of siphon suction pipeline group and the pumping method using the pipeline group - Google Patents

A kind of siphon suction pipeline group and the pumping method using the pipeline group Download PDF

Info

Publication number
CN110424497A
CN110424497A CN201910666221.5A CN201910666221A CN110424497A CN 110424497 A CN110424497 A CN 110424497A CN 201910666221 A CN201910666221 A CN 201910666221A CN 110424497 A CN110424497 A CN 110424497A
Authority
CN
China
Prior art keywords
water
siphon
sealing radiator
siphon piping
valve
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.)
Pending
Application number
CN201910666221.5A
Other languages
Chinese (zh)
Inventor
李进平
周力平
吴长胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University WHU
Original Assignee
Wuhan University WHU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan University WHU filed Critical Wuhan University WHU
Priority to CN201910666221.5A priority Critical patent/CN110424497A/en
Publication of CN110424497A publication Critical patent/CN110424497A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/04Methods or installations for obtaining or collecting drinking water or tap water from surface water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F10/00Siphons

Abstract

The present invention provides a kind of siphon suction pipeline group and the pumping method using the pipeline group, the unit that draws water being made of including several groups siphon piping, water source storehouse, water pump and sealing radiator, it is characterized by: the siphon piping is η shape pipeline, the siphon piping both ends are separately positioned on river bed dam section upstream and downstream, siphon piping end positioned at riverbed upstream is equipped with water inlet control valve door, is equipped with outlet water control valve door positioned at the siphon piping end of riverbed downstream;It is sequentially connected on the siphon piping middle section and is provided with water source storehouse and sealing radiator.It draws water no energy consumption technology present invention employs siphon piping, reaches siphon energy consumption and go to zero, draw water unattended, can be safely operated, and significantly reduce siphon piping pumping station operation expense, be truly realized the unattended of pumping plant.

Description

A kind of siphon suction pipeline group and the pumping method using the pipeline group
Technical field
The present invention relates to water conservancy irrigation and drainage technical fields, and in particular to a kind of siphon suction pipeline group and utilizes the pipeline group Pumping method.
Background technique
Farmland-use water mostly uses greatly gravity irrigation and pumping plant irrigation by pumping, when water pump irrigation by pumping is run, needs power consumption, consumption Oil, the consumption energy.In China mountain area, drinking water, the irrigation of many peasant households require to use water.Hill farmer looks at mountain stream stream and flows through only Can be carried water and be drunk with manpower, how using mountain stream stream low power consuming draw water to eminence gravity irrigation with drink, annoying always wide Big scientific research personnel.Therefore, the present invention propose count a kind of siphon suction pipeline group and using the pipeline group pumping method, it can be achieved that Pump process energy consumption is few, the unattended purpose that can be safely operated.
Summary of the invention
In view of the problems of the existing technology, the technical solution that the present invention uses to solve problems of the prior art It is as follows:
A kind of siphon suction pipeline group includes the pumping that several groups are made of siphon piping, water source storehouse, water pump and sealing radiator Water unit, it is characterised in that: the siphon piping is η shape pipeline, which is separately positioned on river bed dam section or more Trip, the siphon piping end positioned at riverbed upstream are equipped with water inlet control valve door, and the siphon piping end positioned at riverbed downstream is equipped with Outlet water control valve door;It is sequentially connected on the siphon piping middle section and is provided with water source storehouse and sealing radiator;
The water source storehouse is connected with water pump, and is connected to by pipeline A with siphon piping, is provided with flow cavitation result on pipeline A Switch A, water source silo roof end are provided with escape pipe;
The sealing radiator is connected to by pipeline B with siphon piping, and the linear control switch B of gas is provided on pipeline B, close The bottom of seal water tank is provided with sealing radiator outlet valve, is provided with sealing radiator air outlet valve at the top of sealing radiator, on sealing radiator It is connected with pumping conduit, flow control switch and the linear quantitative system switch of gas are provided on pumping conduit.
The pumping conduit end connected on the sealing radiator is set to river bed dam section upstream end, or is arranged in siphon pipe Nearby eminence has at water source in road, and both the above pumping conduit can also be arranged simultaneously on sealing radiator.
The upstream end port of the siphon piping is located at underwater, and downstream port is higher than downstream water lower than up-stream face Face.
The water inlet control valve is non-return valve, and non-return valve front end is provided with dirt barrier hood.
The valve core area of passage of the linear control switch of gas is a rectilinear slot.
The valve core area of passage of the linear quantitative system switch of gas is in a small slot apertures arranged in a straight line, valve Core area of passage changes linearly, and guarantees air inflow and switching value is linear relationship, convenient for accurately controlling tolerance.
A kind of pumping method using above-mentioned siphon suction pipeline group, includes the following steps:
Step 1 at least installs two groups of siphon suction pipeline groups in river bed dam section upstream and downstream, closes siphon piping water inlet control Valve and outlet water control valve are drawn water using water pump into water source storehouse, the flow control switch A on opening conduits A, by the water in water source storehouse By pipeline A full of after siphon piping, siphon piping outlet water control valve is opened, water flows through siphon piping and flows to downstream at this time;
Water flow on step 2, closing sealing radiator air outlet valve and sealing radiator outlet valve and sealing radiator pumping conduit Control switch and the linear quantitative system of gas switch, and slowly open the linear control switch B of gas of pipeline B, are guaranteeing not stop In the case of, it is gradually opened the linear control switch B of gas, the air of sealing radiator is extracted, forms it into vacuum negative pressure condition, then The flow control switch of sealing radiator pumping conduit is opened, then being gradually opened the linear quantitative system switch of gas is water flow configuration one Determine gas, gassiness water flow is pumped into sealing radiator;
Step 3, after pumping full sealing radiator, close the linear control switch B of gas, turn off on sealing radiator pumping conduit Gas linear quantitative system switch and flow control switch valve, open and open sealing radiator again after sealing radiator air outlet valve The water of sealing radiator can be drained under atmospheric pressure eminence and needed at water by outlet valve;
Step 4, siphon suction pipeline group include at least two groups, in step 3 operation, i.e., are opened in the sealing radiator process of discharging water When the beginning, another group of siphon suction pipeline group is started to work, and repeats step 1-3 for the water filling of remaining siphon piping, by riverbed upstream Water source and neighbouring eminence water source are extracted into another sealing radiator, and flowing to highland by another outlet valve after pumping full needs at water.
The opening and closing of each valve in above-mentioned siphon suction pipeline group can remotely be controlled by circuit, and can pass through existing monitoring Device real-time monitoring eminence needs water state and sealing radiator water, according to monitoring the case where, respectively taken out by monolithic computer remote control The running of water unit.
The present invention has the advantage that
When this siphon suction pipeline group is run, sealing radiator pumping conduit can be arranged in river bed dam section upstream, siphon is taken out Water can at least increase the height of a river bed dam section water levels of upstream and downstream difference, while also pumping conduit can be arranged attached in river bed dam section Closely have the eminence at water source, as at neighbouring intermountain spring, can further improve siphon height again in this way, also improve drinking water and The height of irrigation.It draws water no energy consumption technology due to using siphon piping, reaches siphon energy consumption and go to zero, unmanned value of drawing water It keeps, can be safely operated, and significantly reduce siphon piping pumping station operation expense, be truly realized the unattended of pumping plant.
Detailed description of the invention
Fig. 1 is siphon piping pumping structure schematic diagram of the invention;
Fig. 2 is the valve centre of sphere aperture structural schematic diagram of Inlet and outlet water valve of the invention, in Fig. 2 from left to right, valve ball Heart aperture is that white area is increasing, and area of passage is in exponential increase;
Fig. 3 is the valve gas Linear Control aperture structural schematic diagram of the linear control switch of gas of the invention, in Fig. 3 from Left-to-right, valve gas Linear Control aperture white area is gradually increased, and area of passage linearly increases;
Fig. 4 is the linear quantitative aperture structural representation of valve gas of the linear quantitative system switch of gas of the invention Scheme, in Fig. 4 from left to right, the linear quantitative aperture white area of valve gas is gradually increased, and area of passage is linearly quantitative Increase;
Wherein: 1-siphon piping;2-water inlet control valves;3-dirt barrier hoods;4-water pumps;5-pipeline A;6-flow cavitation results Switch A;7-water sources storehouse;8-outlet tube valves;9-sealing radiators;10-pipeline B;The linear control switch B of 11-gases; 12-pipeline C;13-flow control switch C;The linear quantitative system switch C of 14-gases;13, which are known as aqueous vapor with 14, combines control Switch C;15-sealing radiator air outlet valves;16-sealing radiator outlet valves;17-outlet water control valves;18-pipeline D;19-water flows Control switch D;The linear quantitative system switch D of 20-gases;19, which are collectively referred to as aqueous vapor with 20 group, combines control switch D.
Specific embodiment
1-4 below by way of examples and with reference to the accompanying drawings, the technical solutions of the present invention will be further described:
η shape siphon piping 1 is placed, so that one end of its water inlet control valve 2 is located at river bed dam section upstream, and its port is located at water Under face, the other end for being provided with outlet water control valve 17 is located at downstream, and its port is lower than up-stream face, is higher than the downstream water surface;Rainbow The water inlet control valve 2 in suction pipe road 1 is non-return valve, and front end is provided with dirt barrier hood 3;
Embodiment 1
Step 1, the inlet and outlet control valve door for closing η shape siphon piping 1, starting are located at the water pump 4 below up-stream face and take out Water to water source storehouse 7, the flow control switch 6 of opening conduits A5, close at this time, passes water through pipeline by other valves in water source storehouse 7 A5 flows into η shape siphon piping 1, fills the water at least one set η shape siphon piping, after η shape siphon piping is full of water, closes water flow control Switch 6 is made, the outlet water control valve 17 of siphon piping 1 is then turned on, water inlet control valve 2 is that non-return valve can automatically open, at this time upstream Water flow meeting continuous flow is downstream.
The aqueous vapor stacked switch C of step 2, the air outlet valve for closing sealing radiator 9 and outlet valve and pipeline C12, is managed at this time The underwater of Upstream section is arranged in the pump mouth of road C12, is gradually opened the linear control switch B11 of pipeline B10 gas, sealing radiator Gas in 9 gradually forms negative pressure state by the pipeline B10 gas bleeding on siphon piping, can be reacted by the data of vacuum table Determine that opening aqueous vapor combines control switch C, starts to draw water;Can also there is no vacuum table, negative pressure is formed with a period, opens in advance Flow control switch C13, the air of sealing radiator 9 is needed negative pressure integrated with pipeline B10 for a period of time at this time, is exhausted to air Also make sealing radiator 9 for some time afterwards and pipeline C12 is formed simultaneously negative pressure state, it, can be with after negative pressure reaches certain numerical value It sees that transparent pipeline C12 begins with water and rises along pipeline, the linear quantitative system switch C14 of gas is slowly opened at this time, to pure Water containing air after the specific gravity of water mitigates, can be extracted into high greater than 10 meters or more by water tonifying Qi to reduce the specific gravity of water Place.
Step 3, water tank to be sealed 9 close the linear control switch B11's of gas and pipeline C12 of pipeline B10 full of after water Aqueous vapor combines control switch C, opens the air outlet valve and outlet valve of sealing radiator 9, makes the water in sealing radiator 9 in the work of atmospheric pressure It is highly needed at water with lower flowed to by outlet valve.
Step 4, when 9 process of discharging water of sealing radiator starts, another group of siphon suction pipeline group is started to work, and step is repeated 1-3 is the water filling of remaining siphon piping, and the water source under riverbed up-stream face is extracted into another sealing radiator, by another after pumping full Outlet valve flows to highland and needs at water.
Embodiment 2
Step 1, the inlet and outlet control valve door for closing η shape siphon piping 1, starting are located at the water pump 4 below up-stream face and take out Water to water source storehouse 7, the flow control switch 6 of opening conduits A5, close at this time, passes water through pipeline by other valves in water source storehouse 7 A5 flows into η shape siphon piping 1, fills the water at least one set η shape siphon piping, after η shape siphon piping is full of water, closes water flow control Switch 6 is made, the outlet water control valve 17 of siphon piping 1 is then turned on, water inlet control valve 2 is that non-return valve can automatically open, at this time upstream Water flow meeting continuous flow is downstream.
The aqueous vapor group of step 2, closing sealing radiator air outlet valve 15 and sealing radiator air outlet valve 16 and pipeline D18 are run jointly D, the linear control switch B11 of opening conduits B10 gas are closed, the gas in sealing radiator 9 is gradually by the pipe on η shape siphon piping 1 Road B10 gas bleeding forms negative pressure state, and the water for determining and opening aqueous vapor and combining control switch D can be reacted by the data of vacuum table Flow control switch D19 starts to draw water;Can also be in the case where no vacuum table, a period of 9 negative pressure of water tank formation to be sealed Interior, the flow control switch D19 for opening aqueous vapor combination control switch D in advance can also draw up water after a period of time.Open pipeline The aqueous vapor combination control switch D of D18 is first to open flow control switch D19 to draw water, then open the linear quantitative system switch of gas D20 extracts a certain amount of air, makes to contain air in water, to reduce the specific gravity of water, after the specific gravity of water mitigates, can will contain There is the water of air to be extracted into greater than 10 meters or more eminences.The siphon port of pipeline D18 is positioned above the intermountain spring of Upstream section at this time Place, will be extracted into sealing radiator 9 at water source herein.
Step 3, water tank to be sealed 9 close the aqueous vapor of the gas control switch B11 and pipeline D18 of pipeline B10 full of after water Control switch D is combined, sealing radiator air outlet valve 15 and sealing radiator outlet valve 16 is opened, makes the water in sealing radiator 9 in atmosphere Flowing to highland by sealing radiator outlet valve 16 under the action of pressure needs at water.
Step 4, when 9 process of discharging water of sealing radiator starts, another group of siphon suction pipeline group is started to work, and step is repeated 1-3 is the water filling of remaining siphon piping, and the water source under riverbed up-stream face is extracted into another sealing radiator, by another after pumping full Outlet valve flows to highland and needs at water.
Protection scope of the present invention is not limited to the above embodiments, it is clear that those skilled in the art can be to this hair It is bright to carry out various changes and deformation without departing from scope and spirit of the present invention.If these changes and deformation belong to power of the present invention In the range of benefit requirement and its equivalent technologies, then including the intent of the present invention also includes these changes and deforms.

Claims (7)

1. a kind of siphon suction pipeline group is drawn water including several groups by what siphon piping, water source storehouse, water pump and sealing radiator formed Unit, it is characterised in that: the siphon piping is η shape pipeline, which is separately positioned on river bed dam section upstream and downstream, Siphon piping end positioned at riverbed upstream is equipped with water inlet control valve door, is equipped with water outlet positioned at the siphon piping end of riverbed downstream Control valve;It is sequentially connected on the siphon piping middle section and is provided with water source storehouse and sealing radiator;
The water source storehouse is connected with water pump, and is connected to by pipeline A with siphon piping, is provided with flow control switch on pipeline A A, water source silo roof end are provided with escape pipe;
The sealing radiator is connected to by pipeline B with siphon piping, and the linear control switch B of gas, sealing water are provided on pipeline B The bottom of case is provided with sealing radiator outlet valve, is provided with sealing radiator air outlet valve at the top of sealing radiator, connects on sealing radiator There is pumping conduit, flow control switch and the linear quantitative system switch of gas are provided on pumping conduit.
2. a kind of siphon suction pipeline group as described in claim 1, it is characterised in that: what is connected on the sealing radiator draws water Pipe end is set to river bed dam section upstream end, or setting eminence near siphon piping has at water source, can also seal Both the above pumping conduit is set simultaneously on water tank.
3. a kind of siphon suction pipeline group as described in claim 1, it is characterised in that: the upstream end port of the siphon piping Positioned at underwater, downstream port is higher than the downstream water surface lower than up-stream face.
4. a kind of siphon suction pipeline group as described in claim 1, it is characterised in that: the water inlet control valve is non-return valve, Non-return valve front end is provided with dirt barrier hood.
5. a kind of siphon suction pipeline group as described in claim 1, it is characterised in that: the valve of the linear control switch of gas Door core area of passage is a rectilinear slot.
6. a kind of siphon suction pipeline group as described in claim 1, it is characterised in that: the linear quantitative system switch of gas Valve core area of passage be in a small slot apertures arranged in a straight line.
7. a kind of pumping method of siphon suction pipeline group as claimed in any one of claims 1 to 6, which is characterized in that including such as Lower step:
Step 1 at least installs two groups of siphon suction pipeline groups in river bed dam section upstream and downstream, close siphon piping water inlet control valve and Outlet water control valve, is drawn water using water pump into water source storehouse, and the flow control switch A on opening conduits A passes through the water in water source storehouse After pipeline A is full of siphon piping, siphon piping outlet water control valve is opened, water flows through siphon piping and flows to downstream at this time;
Flow cavitation result on step 2, closing sealing radiator air outlet valve and sealing radiator outlet valve and sealing radiator pumping conduit Switch is switched with the linear quantitative system of gas, slowly opens the linear control switch B of gas of pipeline B, is guaranteeing the situation that do not stop Under, it is gradually opened the linear control switch B of gas, the air of sealing radiator is extracted, forms it into vacuum negative pressure condition, then open The flow control switch of sealing radiator pumping conduit, then being gradually opened the linear quantitative system switch of gas is that water flow configures certain gas Gassiness water flow is pumped into sealing radiator by body;
Step 3, after pumping full sealing radiator, close the linear control switch B of gas, turn off the gas on sealing radiator pumping conduit Body linear quantitative control switch and flow control switch valve open sealing radiator air outlet valve and open sealing radiator water outlet again later The water of sealing radiator can be drained under atmospheric pressure eminence and needed at water by valve;
Step 4, siphon suction pipeline group include at least two groups, in step 3 operation, i.e., are started in the sealing radiator process of discharging water When, another group of siphon suction pipeline group is started to work, and repeats step 1-3 for the water filling of remaining siphon piping, by the water of riverbed upstream Source and neighbouring eminence water source are extracted into another sealing radiator, and flowing to highland by another outlet valve after pumping full needs at water.
CN201910666221.5A 2019-07-23 2019-07-23 A kind of siphon suction pipeline group and the pumping method using the pipeline group Pending CN110424497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910666221.5A CN110424497A (en) 2019-07-23 2019-07-23 A kind of siphon suction pipeline group and the pumping method using the pipeline group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910666221.5A CN110424497A (en) 2019-07-23 2019-07-23 A kind of siphon suction pipeline group and the pumping method using the pipeline group

Publications (1)

Publication Number Publication Date
CN110424497A true CN110424497A (en) 2019-11-08

Family

ID=68411933

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910666221.5A Pending CN110424497A (en) 2019-07-23 2019-07-23 A kind of siphon suction pipeline group and the pumping method using the pipeline group

Country Status (1)

Country Link
CN (1) CN110424497A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111854012A (en) * 2020-07-09 2020-10-30 华信咨询设计研究院有限公司 Mechanical cold source and lake water cold source coupling cold supply system and control method
CN112145228A (en) * 2020-10-23 2020-12-29 中国十七冶集团有限公司 Drainage method and drainage device in tunnel preliminary bracing construction
CN113622477A (en) * 2021-08-09 2021-11-09 华南农业大学 Anti-blocking automatic backwashing water taking system
CN114993760A (en) * 2021-04-25 2022-09-02 泰戈特(北京)工程技术有限公司 System and method for measuring turbidity of clarification layer of concentration tank of coal preparation plant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529082A1 (en) * 1991-02-14 1993-03-03 Inax Corporation Inverted siphon of vacuum type sewerage
CN204530731U (en) * 2015-01-05 2015-08-05 上海长凯岩土工程有限公司 Super pressure inhales associating pumping system
CN105134545A (en) * 2015-07-27 2015-12-09 武汉大学 Water drawing device and water drawing method using water drawing device
CN211547882U (en) * 2019-07-23 2020-09-22 武汉大学 Siphon water pumping pipeline set

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529082A1 (en) * 1991-02-14 1993-03-03 Inax Corporation Inverted siphon of vacuum type sewerage
CN204530731U (en) * 2015-01-05 2015-08-05 上海长凯岩土工程有限公司 Super pressure inhales associating pumping system
CN105134545A (en) * 2015-07-27 2015-12-09 武汉大学 Water drawing device and water drawing method using water drawing device
CN211547882U (en) * 2019-07-23 2020-09-22 武汉大学 Siphon water pumping pipeline set

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111854012A (en) * 2020-07-09 2020-10-30 华信咨询设计研究院有限公司 Mechanical cold source and lake water cold source coupling cold supply system and control method
CN111854012B (en) * 2020-07-09 2021-12-14 华信咨询设计研究院有限公司 Mechanical cold source and lake water cold source coupling cold supply system and control method
CN112145228A (en) * 2020-10-23 2020-12-29 中国十七冶集团有限公司 Drainage method and drainage device in tunnel preliminary bracing construction
CN114993760A (en) * 2021-04-25 2022-09-02 泰戈特(北京)工程技术有限公司 System and method for measuring turbidity of clarification layer of concentration tank of coal preparation plant
CN113622477A (en) * 2021-08-09 2021-11-09 华南农业大学 Anti-blocking automatic backwashing water taking system

Similar Documents

Publication Publication Date Title
CN110424497A (en) A kind of siphon suction pipeline group and the pumping method using the pipeline group
CN105134545A (en) Water drawing device and water drawing method using water drawing device
CN103321196B (en) One is drawn water irrigation and drainage system and irrigation and drainage method
CN106759210B (en) Embed-type self-relocation vertical lift ship lock and its operation method
CN203948952U (en) A kind of seal tank of automatic drain
CN110409562B (en) Energy-gathering water pumping device with ball valve for controlling air inflow and water pumping method
CN203320616U (en) Low-energy-consumption pump station
CN205124334U (en) Water drive's scaling fertilization pump
CN211547882U (en) Siphon water pumping pipeline set
CN202865911U (en) Water supply system
CN206321807U (en) Ship water purification pipeline detection means
CN209083588U (en) A kind of automatic water device
CN212896611U (en) Multi-path pressure-stabilizing water supply device
CN103982367B (en) The two-way tidal energy system utilizing water attack effect
CN212298578U (en) Remote power high-speed water delivery and siphon water delivery system
CN208152132U (en) A kind of integrated water supply device
CN105297832B (en) Water suction device and water suction method thereof
CN105133698A (en) Energy gathering pumping device and pumping method thereof
CN207633478U (en) A kind of sewage closure works system
CN103104478B (en) The pure water machine system of a kind of suction booster and formation thereof
CN109236673A (en) A kind of automatic water device and operating method
CN207828888U (en) A kind of Novel siphon type pumping plant water inlet pipe structure
CN205000404U (en) It can pumping device to gather
CN207279600U (en) High-pressure heater draining system
CN202914411U (en) Liquid pump drainage device of piston vacuum pump

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