CN110173780A - A kind of cooling water system using fountain sight enhanced heat exchange - Google Patents
A kind of cooling water system using fountain sight enhanced heat exchange Download PDFInfo
- Publication number
- CN110173780A CN110173780A CN201910503895.3A CN201910503895A CN110173780A CN 110173780 A CN110173780 A CN 110173780A CN 201910503895 A CN201910503895 A CN 201910503895A CN 110173780 A CN110173780 A CN 110173780A
- Authority
- CN
- China
- Prior art keywords
- fountain
- water
- heat exchange
- supervisor
- exchanger tube
- 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
Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 230000007704 transition Effects 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/08—Fountains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses a kind of cooling water system using fountain sight enhanced heat exchange, including set gradually along water (flow) direction fountain basin, transition pond, collecting-tank, collecting-tank is connected to by flow pipe with fountain basin, setting fountain is responsible in fountain basin, the outer cover of fountain supervisor is equipped with heat exchanger tube, heat exchanger tube is located at the water surface in fountain basin or less, the both ends of heat exchanger tube are separately connected water chiller, space between fountain supervisor and heat exchanger tube is provided with flowing water to be cooled, and the flow direction for flowing water to be cooled is opposite with the water (flow) direction in fountain supervisor.The system is recycled the cooling capacity of fountain water using the closed cycle form of inner and outer sleeves form of tubes, lower to water quality requirement, is not necessarily to special water processing establishment.
Description
Technical field
The present invention relates to air conditioner cold-heat sources, field of heat transfer, and in particular to a kind of cooling using fountain sight enhanced heat exchange
Water system.
Background technique
Landscape water body has become the key content of public place landscape construction at present, in order to meet the hydrophilic demand of people,
Fountain Waterscape is dynamic graceful, and makings is boundless, has been widely used in landscape water body.Fountain Waterscape big, pressure with strength of turbulence
Greatly, the features such as water exchange capacity is big, aeration quantity is high.But during fountain design and construction, often pursue based on landscape effect,
Its powerful exchange capability of heat is ignored, great energy waste is caused.For outdoor air, the thermal capacity of water is big, scape
See water body is influenced smaller by meteorological condition, and summer water temperature is lower than outside air temperature, and landscape water body can become preferable heat pump
Cold source, and fountain has preferable heat-sinking capability.Currently, the utilization technology of Traditional Landscape fountain mainly makees pool with fountain
It is cooled down for open cooling tower, this technology is higher to the water quality requirement of landscape water body, need to set special water process
Facility need to put into higher cost of water treatment while using the fountain energy, therefore utility value is not high.
Summary of the invention
In order to solve the above problem, the present invention provides a kind of cooling water system using fountain sight enhanced heat exchange, the system
The cold source of fountain water is recycled using the closed cycle form of inner and outer sleeves form of tubes, it is lower to water quality requirement, be not necessarily to
Special water processing establishment.
A kind of cooling water system using fountain sight enhanced heat exchange, including set gradually along water (flow) direction fountain basin,
Transition pond, collecting-tank, wherein one end of the collecting-tank connection flow pipe, the other end of the flow pipe are connected to fountain basin,
It is provided with fountain supervisor in the fountain basin, multiple fountain branch pipes, the fountain supervisor are disposed on the fountain supervisor
Outer cover be equipped with heat exchanger tube, the heat exchanger tube is located at the water surface in fountain basin hereinafter, the both ends of the heat exchanger tube are separately connected
Water chiller, the space between the fountain supervisor and heat exchanger tube are provided with flowing water to be cooled, the flowing water to be cooled
Flow direction is opposite with the water (flow) direction in fountain supervisor；
Water to be cooled and fountain supervisor in flow fountain water carry out heat exchange, while water to be cooled can also realize with
Water in fountain basin outside heat exchanger tube carries out heat exchange, exchanges heat more abundant, and the fountain water after heat exchange is sprayed through fountain branch pipe,
Fountain sight is formed, and is fallen into fountain basin, water body enters transition pond by overflow in fountain basin, and transition pool inner water body is in gravity
It acts on lower inflow collecting-tank and forms waterfall, the water of collecting-tank becomes cooling fountain water, heat exchange again after contacting heat dissipation with the external world
Cold water is formed after flowing water heat exchange to be cooled in pipe, flows to water chiller for absorbing the heat of refrigerant release.
Preferably, the fountain bottom of pond portion is set as ramp type, and the one end of fountain bottom of pond portion far from transition pond is the end A, leans on
The one end in nearly transition pond is the end B, and the height at the end A is higher than the height at the end B.
Preferably, the gradient of the ramp type bottom is less than 0.01.
Preferably, the water inlet end of the flow pipe is communicated with for providing the elevator pump at water source, the promotion to fountain basin
Pump is located at bottom of pond portion of catchmenting, and the water outlet of the flow pipe is located at the end A of fountain bottom of pond portion.
Preferably, the end B of the fountain bottom of pond portion is provided with FOUNTAIN PUMP, and the FOUNTAIN PUMP is connected to fountain supervisor.
Preferably, the center line of the fountain supervisor and the center line of heat exchanger tube are coaxially disposed.
Preferably, multiple mounting brackets are disposed between the fountain supervisor and heat exchanger tube, for fountain to be responsible for
It is supported on inside heat exchanger tube.
Preferably, the distance between two neighboring mounting bracket is 1 meter.
Preferably, the water inlet end of the water chiller is provided with cooling water circulating pump.
Beneficial effects of the present invention:
(1) use inner and outer sleeves form of tubes closed circulation system, cooling water both can with cooling tube inside fountain supervisor in it is inverse
It can also exchange heat to water flow heat exchange with the current water in the fountain basin of outside, cooling water heat transfer effect and fountain heat dissipation effect
Fruit is preferable, and on original fountain sight substantially without influence, and the present invention is lower to the water quality requirement of fountain water body low, does not need
Separately set special water processing establishment.
(2) height at the end fountain bottom of pond portion A is higher than the height at the end B, convenient for increasing the flowing velocity of water body in fountain basin, by force
Change heat transfer effect and improves water quality.
(3) setting of transition pond and collecting-tank, which is formed while waterfall increases landscape ornamental value, allows the fountain water after heat exchange to fill
Dispersion heat, improves heat source utilization rate.
(4) using mounting bracket by fountain supervisor be supported on inside heat exchanger tube, be arranged concentrically with heat exchanger tube, utmostly into
The hot and cold exchange of row, improves heat exchange efficiency.
(5) heat exchanger tube is placed in the fountain basin water surface hereinafter, the water in cooling water heat exchanger tube can both have been realized and internal fountain supervisor
Interior flowing fountain water carries out carry out reverse heat-exchange, and can realize and exchange heat with the current water in external fountain basin.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the cooling water system structure chart of the invention using fountain sight enhanced heat exchange；
Fig. 2 is floor plan of the invention；
Fig. 3 is cannula structure schematic diagram of the invention.
In figure: 1, water chiller；2, outlet pipe after exchanging heat；3, heat exchanger tube；4, cooling water inlet pipe；5, cooling water recycles
Pump；6, fountain basin；7, FOUNTAIN PUMP；8, fountain is responsible for；9, fountain branch pipe；10, spray head；11, transition pond；12, collecting-tank；13, it mentions
Rise pump；14, flow pipe；15, mounting bracket.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Whole description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiments herein, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall in the protection scope of this application.
As depicted in figs. 1 and 2, the present invention is a kind of cooling water system using fountain sight enhanced heat exchange, water chiller 1
Water inlet end connect cooling water inlet pipe 4, the outlet of heat exchanger tube 3, the heat exchange of water chiller are connected to by cooling water circulating pump 5
Outlet pipe 2 connects the import of water heat exchanger tube 3 afterwards, coaxial package fountain supervisor 8 in heat exchanger tube 3, the 8 multiple fountains of connection of fountain supervisor
Branch pipe 9 is set in heat exchanger tube every one meter as shown in figure 3, fountain supervisor 8 is mounted on inside heat exchanger tube 3 using mounting bracket 15
A mounting bracket is set, fountain branch pipe 9 protrudes from the tube wall of heat exchanger tube 3, and is equipped with spray head 10 in end, in fountain branch pipe 9
Sealing is carried out with gasket with the junction of heat exchanger tube 3, the water inlet end of FOUNTAIN PUMP 7 is connected with 6 bottom of fountain basin, 6 bottom of fountain basin
Portion is inclined, and FOUNTAIN PUMP 7 is located at minimum point, and water body enters transition pond 11 by overflow in fountain basin 6, in transition pond 11
Water body falls into collecting-tank 12 under the effect of gravity and forms waterfall, sufficiently radiates.The water inlet of elevator pump 13 and 12 bottom of collecting-tank
It is connected, the water outlet of elevator pump 13 is delivered at the bottom highest point of fountain basin 6 by flow pipe 14.
The air-conditioning system workflow using fountain sight enhanced heat exchange is discussed in detail below in conjunction with Fig. 1-3: cooling water exists
It exchanging heat in water chiller 1 with refrigerant, cooling water enters heat exchanger tube 3 in fountain basin 6 by outlet pipe 2 after heat exchange after heat exchange,
On the one hand water in heat exchanger tube 3 is changed with inside it by the fountain water that FOUNTAIN PUMP 7 is delivered to reverse flow in fountain supervisor 8
Heat, on the other hand under the action of the suction and elevator pump conveying water flow in its external fountain basin 6 due to FOUNTAIN PUMP 7 caused by stream
Dynamic water body exchanges heat.With fountain water exchange heat cooling water after cooling by cooling water inlet pipe 4, cooling water cycle water pump 5 into
Enter in water chiller 1, completes the circulation of cooling water.Pass through spray head 10 after spray head branch pipe 9 after fountain water heat exchange in fountain supervisor 8
It sprays to atmosphere and exchanges heat with atmosphere, fountain basin 6 is entered after heat exchange, and overflow enters brook transition pond, finally falls into collecting-tank 12,
Water extra in collecting-tank is delivered at 6 position higher position of fountain basin by flow pipe 14 by elevator pump 13, in cycles into
Row heat exchange.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of cooling water system using fountain sight enhanced heat exchange, which is characterized in that including being set gradually along water (flow) direction
Fountain basin, transition pond, collecting-tank, wherein one end of collecting-tank connection flow pipe, the other end of the flow pipe and spray
Spring Chi Liantong is provided with fountain supervisor in the fountain basin, is disposed with multiple fountain branch pipes on the fountain supervisor, described
Fountain supervisor outer cover be equipped with heat exchanger tube, the heat exchanger tube be located at the water surface in fountain basin hereinafter, the heat exchanger tube both ends
Be separately connected water chiller, the space between the fountain supervisor and heat exchanger tube is provided with flowing water to be cooled, the flowing to
The flow direction of cooling water is opposite with the water (flow) direction in fountain supervisor；
Water to be cooled and fountain supervisor in flow fountain water carry out heat exchange, while water to be cooled can also realize with
Water in fountain basin outside heat exchanger tube carries out heat exchange, and the fountain water after heat exchange is sprayed through fountain branch pipe, forms landscape spray
Spring, and fall into fountain basin, water body enters transition pond by overflow in fountain basin, and transition pool inner water body flows under the influence of gravity into
Collecting-tank forms waterfall, and the water of collecting-tank becomes cooling fountain water, the flowing in heat exchanger tube again after contacting heat dissipation with the external world
Cold water is formed after water heat exchange to be cooled, flows to water chiller for absorbing the heat of refrigerant release.
2. the cooling water system according to claim 1 using fountain sight enhanced heat exchange, which is characterized in that the fountain
The bottom in pond is set as ramp type, and the one end of fountain bottom of pond portion far from transition pond is the end A, and one end close to transition pond is the end B, A
The height at end is higher than the height at the end B.
3. the cooling water system according to claim 2 using fountain sight enhanced heat exchange, which is characterized in that ramp type bottom
The gradient in portion is less than 0.01.
4. the cooling water system according to claim 2 using fountain sight enhanced heat exchange, which is characterized in that described to send water
The water inlet end of pipe is communicated with for providing the elevator pump at water source to fountain basin, and the elevator pump is located at bottom of pond portion of catchmenting, described to send
The water outlet of water pipe is located at the end A of fountain bottom of pond portion.
5. the cooling water system according to claim 2 using fountain sight enhanced heat exchange, which is characterized in that the fountain
The end B of bottom of pond portion is provided with FOUNTAIN PUMP, and the FOUNTAIN PUMP is connected to fountain supervisor.
6. the cooling water system according to claim 1 using fountain sight enhanced heat exchange, the center of the fountain supervisor
The coaxial arrangement of the center line of line and heat exchanger tube.
7. the cooling water system according to claim 1 using fountain sight enhanced heat exchange, the fountain supervisor and heat exchange
Multiple mounting brackets are disposed between pipe, for fountain supervisor to be supported on inside heat exchanger tube.
8. the cooling water system using fountain sight enhanced heat exchange stated according to claim 7, between two neighboring mounting bracket
Distance be 1 meter.
9. the cooling water system according to claim 1 using fountain sight enhanced heat exchange, the water inlet of the water chiller
End is provided with cooling water circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503895.3A CN110173780A (en) | 2019-06-12 | 2019-06-12 | A kind of cooling water system using fountain sight enhanced heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503895.3A CN110173780A (en) | 2019-06-12 | 2019-06-12 | A kind of cooling water system using fountain sight enhanced heat exchange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110173780A true CN110173780A (en) | 2019-08-27 |
Family
ID=67698244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910503895.3A Pending CN110173780A (en) | 2019-06-12 | 2019-06-12 | A kind of cooling water system using fountain sight enhanced heat exchange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110173780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716799A (en) * | 2021-08-24 | 2021-11-30 | 长江生态环保集团有限公司 | System for garden water system and energy coupling are administered |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001289458A (en) * | 2000-04-11 | 2001-10-19 | Taisei Corp | Cooling auxiliary device for air-conditioning utilizing landscape facilities |
| US6527257B1 (en) * | 2000-09-05 | 2003-03-04 | Rps Products, Inc. | Decorative humidifier and fountain combination |
| CN2886487Y (en) * | 2005-06-28 | 2007-04-04 | 梁璧 | Novel cooling system for circulating water |
| CN103836841A (en) * | 2014-03-19 | 2014-06-04 | 西南交通大学 | Device for recycling cold energy and heat energy in urban raw sewage |
| CN203810659U (en) * | 2014-04-17 | 2014-09-03 | 史仲文 | Circulating cooling system device of landscape fountain |
| CN210153998U (en) * | 2019-06-12 | 2020-03-17 | 山东建筑大学 | Cooling water system for enhancing heat exchange by using landscape fountain |
-
2019
- 2019-06-12 CN CN201910503895.3A patent/CN110173780A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001289458A (en) * | 2000-04-11 | 2001-10-19 | Taisei Corp | Cooling auxiliary device for air-conditioning utilizing landscape facilities |
| US6527257B1 (en) * | 2000-09-05 | 2003-03-04 | Rps Products, Inc. | Decorative humidifier and fountain combination |
| CN2886487Y (en) * | 2005-06-28 | 2007-04-04 | 梁璧 | Novel cooling system for circulating water |
| CN103836841A (en) * | 2014-03-19 | 2014-06-04 | 西南交通大学 | Device for recycling cold energy and heat energy in urban raw sewage |
| CN203810659U (en) * | 2014-04-17 | 2014-09-03 | 史仲文 | Circulating cooling system device of landscape fountain |
| CN210153998U (en) * | 2019-06-12 | 2020-03-17 | 山东建筑大学 | Cooling water system for enhancing heat exchange by using landscape fountain |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716799A (en) * | 2021-08-24 | 2021-11-30 | 长江生态环保集团有限公司 | System for garden water system and energy coupling are administered |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201016590Y (en) | Countercurrent type trickle mixing reinforced cooling evaporation cooler | |
| CN110173780A (en) | A kind of cooling water system using fountain sight enhanced heat exchange | |
| CN201740135U (en) | Tube-type indirect evaporative high-temperature chiller plant | |
| CN209672865U (en) | A kind of evaporation type oil cooler | |
| CN206160757U (en) | Closed crossing current sleeve pipe fin cooling tower | |
| CN215863818U (en) | Reverse-flow type vertical pipe indirect evaporative cooler with heat recovery | |
| CN202392911U (en) | Heat pipe recirculation type evaporative cooling air conditioning unit | |
| CN210153998U (en) | Cooling water system for enhancing heat exchange by using landscape fountain | |
| CN103471422B (en) | Open and close type energy-saving cooling tower | |
| CN205261810U (en) | Compound for data center air conditioning system of indirect evaporation cooling tower - mechanical refrigeration | |
| CN204555433U (en) | A kind of combination exchanger | |
| CN204923933U (en) | Evaporative condenser | |
| CN209857295U (en) | High-cold-efficiency energy-saving mechanical ventilation spray cooling device | |
| CN208187188U (en) | A kind of more iris type cooling towers of curved tube | |
| CN209763806U (en) | annular shower heat exchange device | |
| CN209470297U (en) | Outdoor unit and air conditioner | |
| CN208475517U (en) | Air water ice three uses heat exchanger | |
| CN205919710U (en) | Cooling water waste heat recovery device | |
| CN207214841U (en) | A kind of vertical tube evaporating type condensing heat exchanger of more time waters | |
| CN208012408U (en) | A kind of cooling tower | |
| CN207649433U (en) | A kind of heat pipe evaporating condensation type heat exchanger | |
| CN207741183U (en) | A kind of electric heater of automatic humidification | |
| CN207066171U (en) | It is a kind of that there is energy-efficient cooling tower | |
| CN209165721U (en) | A kind of lotus type wind outlet unit | |
| CN207378969U (en) | Haze unit surface cooler |
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 |