CN112964084A - High-temperature waste gas rapid cooling recovery and pressure stabilizing device - Google Patents
High-temperature waste gas rapid cooling recovery and pressure stabilizing device Download PDFInfo
- Publication number
- CN112964084A CN112964084A CN202110255158.3A CN202110255158A CN112964084A CN 112964084 A CN112964084 A CN 112964084A CN 202110255158 A CN202110255158 A CN 202110255158A CN 112964084 A CN112964084 A CN 112964084A
- Authority
- CN
- China
- Prior art keywords
- temperature
- gas
- tank
- waste gas
- temperature waste
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/02—Other direct-contact heat-exchange apparatus the heat-exchange media both being gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
Abstract
The invention discloses a high-temperature waste gas rapid cooling, recovering and pressure stabilizing device, which comprises a gas mixing and pressure stabilizing tank, a high-temperature waste gas inlet pipe, a tank wall water tank, a low-temperature gas inlet pipe and a low-temperature waste gas recovery pipe, wherein the high-temperature waste gas inlet pipe is connected with the tank wall water tank; the gas mixing pressure stabilizing tank is a common steel pressure-bearing tank, and a high-temperature waste gas inlet pipe is connected to the upper side of the side wall of the tank body; a tank wall water tank is arranged on the outer wall of the gas mixing pressure stabilizing tank opposite to the high-temperature waste gas inlet pipe; two low-temperature gas inlet pipes are arranged on two sides of the tank wall water tank and have the same horizontal height with the high-temperature waste gas inlet pipe; and a low-temperature waste gas recovery pipe is arranged below the tank wall water tank and on the lower side of the side wall of the gas mixing pressure stabilizing tank. The device is directed at the rapid cooling and the pressure stabilization of high-temperature gas, and can be applied to a high-temperature gas flow heat exchange experiment bench.
Description
Technical Field
The invention relates to the technical field of high-temperature gas flow heat exchange experiment bench design, in particular to a high-temperature waste gas rapid cooling recovery and pressure stabilizing device.
Background
As a hot research and development direction in the field of nuclear reactors at home and abroad in recent years, ultra-high temperature gas cooled reactors, gas cooled micro-reactors and space stations carrying nuclear reactors are all adopted without exception as a coolant, and the gas is heated to a high temperature state which is rarely involved. The flow heat exchange experiment aiming at the high-temperature gas with high temperature is rarely developed internationally and domestically. However, the flow heat exchange experiment of the high-temperature gas is of great significance to the research and design of the ultra-high temperature gas cooled reactor, the gas cooled micro-reactor and the space station carrying the nuclear reactor.
Disclosure of Invention
In order to realize the rapid cooling of high-temperature waste gas and reduce the design cost of an experimental bench, the rapid cooling recovery and pressure stabilizing device for high-temperature waste gas can realize the rapid cooling of the high-temperature waste gas, and then further cool the high-temperature waste gas through a conventional gas-water heat exchanger, so that the use of high-temperature resistant materials and equipment is reduced, and the construction cost of a high-temperature gas flowing heat exchange bench is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-temperature waste gas rapid cooling recovery and pressure stabilizing device comprises a gas mixing pressure stabilizing tank 1, a high-temperature waste gas inlet pipe 2, a tank wall water tank 3, a low-temperature gas inlet pipe 4 and a low-temperature waste gas recovery pipe 5; the high-temperature waste gas inlet pipe 2 is connected to the upper side position of the side wall of the gas mixing pressure stabilizing tank 1, and the high-temperature waste gas enters the gas mixing pressure stabilizing tank 1 through the high-temperature waste gas inlet pipe 2; a tank wall water tank 3 is welded on the outer wall surface of the gas mixing pressure stabilizing tank 1, which is just opposite to the high-temperature waste gas inlet pipe 2, the tank wall water tank 3 is a ring cavity groove surrounding the gas mixing pressure stabilizing tank 1, the radian of the bottom of the tank wall water tank is 60 degrees, and water is filled inside the tank wall water tank; two low-temperature gas inlet pipes 4 with the same specification are distributed at the same horizontal height positions of the two sides of the tank wall water tank 3 and the high-temperature waste gas inlet pipe 2, low-temperature gas enters from the two low-temperature gas inlet pipes 4 and is mixed with high-temperature waste gas from the high-temperature waste gas inlet pipe 2 in the gas mixing pressure stabilizing tank 1, and the temperature of the high-temperature waste gas is rapidly reduced; under the tank wall water tank 3, a low-temperature waste gas recovery pipe 5 is installed on the lower side of the side wall of the gas mixing pressure stabilizing tank 1, and high-temperature waste gas which is mixed by low-temperature gas and cooled in the gas mixing pressure stabilizing tank 1 is discharged and enters a gas-water heat exchanger.
The gas mixing pressure stabilizing tank 1 is a pressure-bearing tank made of common materials, and can bear gas pressure of more than 3MPa, and the volume can be used for gas buffering and pressure stabilizing.
The tank wall water tank 5 takes the center of the gas mixing pressure stabilizing tank 1 as the center of a circle, takes the high-temperature waste gas inlet pipe 2 as the symmetry axis, circumferentially surrounds the gas mixing pressure stabilizing tank 1 by 60 degrees, is internally provided with sufficient room-temperature water, protects the wall surface of the gas mixing pressure stabilizing tank 1, prevents the thermal shock of the high-temperature waste gas to the wall surface of the gas mixing pressure stabilizing tank 1 due to insufficient mixing of the high-temperature waste gas and the low-temperature gas, and ensures the safety of the gas mixing pressure stabilizing pipe 1.
The high-temperature waste gas inlet pipe 2 is made of high-temperature alloy steel and can tolerate the temperature of over 800 ℃; the low-temperature waste gas recovery pipe 5 is a common steel pipe, is arranged on the gas mixing pressure stabilizing tank 1 and is just below the side wall in the opposite direction of the high-temperature waste gas inlet pipe 2, and is externally connected with a gas-water heat exchanger, so that high-temperature waste gas enters from the high-temperature waste gas inlet pipe 2 at a high position, is fully mixed and cooled with low-temperature gas, then the low-temperature gas sinks, flows out of the low-temperature waste gas recovery pipe 5, and is further cooled in a subsequent gas-water heat exchanger.
The low-temperature gas inlet pipe 4 is two common steel pipes with the same specification, is arranged on the tank wall of the gas mixing pressure stabilizing tank 1 opposite to the high-temperature waste gas inlet pipe 2 by taking the center of the gas mixing pressure stabilizing tank 1 as the center of a circle and forming a central angle of 90 degrees, has the same height as the high-temperature waste gas inlet pipe 2, and is symmetrical about the high-temperature waste gas inlet pipe 2; the low-temperature gas inlet pipe 4 is externally connected with a low-temperature gas source, and the flow of the low-temperature gas source is controlled by a valve.
The invention has the following advantages and beneficial effects:
1. the high-temperature waste gas rapid cooling recovery and pressure stabilizing device provided by the invention is characterized in that the whole body is made of few high-temperature resistant materials, almost all conventional steel materials are adopted, good high-temperature gas cooling can be realized, and the cost of experimental equipment and materials can be greatly reduced;
2. the high-temperature waste gas rapid cooling recovery and pressure stabilizing device disclosed by the invention can realize rapid cooling of high-temperature waste gas, and can also stabilize the pressure at the outlet of the experimental section, so that related equipment is reduced, and the expense is reduced.
Drawings
FIG. 1 is a schematic structural view of a vertical section of a high-temperature exhaust gas rapid cooling recovery and pressure stabilizing device;
as shown in fig. 1, 1 is a gas mixing pressure stabilizing tank, 2 is a high-temperature waste gas inlet pipe, 3 is a tank wall water tank, 4 is a low-temperature gas inlet pipe, and 5 is a low-temperature waste gas recovery pipe.
FIG. 2 is a schematic structural view of a horizontal cross section of a high-temperature exhaust gas rapid cooling recovery and pressure stabilizing device according to the present invention;
as shown in fig. 2, 1 is a gas mixing pressure stabilizing tank, 2 is a high-temperature waste gas inlet pipe, 3 is a tank wall water tank, 4-1 is a right low-temperature gas inlet pipe, 4-2 is a right low-temperature gas inlet pipe, and 5 is a low-temperature waste gas recovery pipe.
Detailed Description
The invention and embodiments are explained in further detail below with reference to the drawings and the detailed design:
as shown in fig. 1, the device for rapidly cooling, recovering and stabilizing high-temperature waste gas of the present invention comprises a gas mixing and pressure stabilizing tank 1, a high-temperature waste gas inlet pipe 2, a tank wall water tank 3, a low-temperature gas inlet pipe 4, and a low-temperature waste gas recovery pipe 5; the high-temperature waste gas inlet pipe 2 is connected to the upper side position of the side wall of the gas mixing pressure stabilizing tank 1, and the high-temperature waste gas enters the gas mixing pressure stabilizing tank 1 through the high-temperature waste gas inlet pipe 2; a tank wall water tank 3 is welded on the outer wall surface of the gas mixing pressure stabilizing tank 1, which is just opposite to the high-temperature waste gas inlet pipe 2, the tank wall water tank 3 is a ring cavity groove surrounding the gas mixing pressure stabilizing tank 1, the radian of the bottom of the tank wall water tank is 60 degrees, and water is filled inside the tank wall water tank; two low-temperature gas inlet pipes 4 with the same specification are distributed at the same horizontal height positions of the two sides of the tank wall water tank 3 and the high-temperature waste gas inlet pipe 2, low-temperature gas enters from the two low-temperature gas inlet pipes 4 and is mixed with high-temperature waste gas from the high-temperature waste gas inlet pipe 2 in the gas mixing pressure stabilizing tank 1, and the temperature of the high-temperature waste gas is rapidly reduced; under the tank wall water tank 3, a low-temperature waste gas recovery pipe 5 is installed on the lower side of the side wall of the gas mixing pressure stabilizing tank 1, and high-temperature waste gas which is mixed by low-temperature gas and cooled in the gas mixing pressure stabilizing tank 1 is discharged and enters a gas-water heat exchanger.
In a preferred embodiment of the present invention, the gas mixing pressure stabilizing tank 1 is a pressure-bearing tank made of a common material, and is required to be capable of bearing a gas pressure of 3MPa or more and to have a volume capable of performing gas buffering and pressure stabilizing.
As a preferred embodiment of the present invention, the tank wall water tank 5 circumferentially surrounds the gas mixing pressure stabilizing tank 1 by 60 ° with the center of the gas mixing pressure stabilizing tank 1 as the center of circle and the high temperature exhaust gas inlet pipe 2 as the axis of symmetry, and contains sufficient room temperature water to protect the wall surface of the gas mixing pressure stabilizing tank 1, so as to prevent the thermal shock of the high temperature exhaust gas to the wall surface of the gas mixing pressure stabilizing tank 1 caused by insufficient mixing of the high temperature exhaust gas and the low temperature gas, and ensure the safety of the gas mixing pressure stabilizing pipe 1.
As a preferred embodiment of the present invention, the high temperature exhaust gas inlet pipe 2 is made of high temperature alloy steel, and can endure a temperature as high as 800 ℃ or higher; the low-temperature waste gas recovery pipe 5 is a common steel pipe, is arranged on the gas mixing pressure stabilizing tank 1 and is just below the side wall in the opposite direction of the high-temperature waste gas inlet pipe 2, and is externally connected with a gas-water heat exchanger, so that high-temperature waste gas enters from the high-temperature waste gas inlet pipe 2 at a high position, is fully mixed and cooled with low-temperature gas, then the low-temperature gas sinks, flows out of the low-temperature waste gas recovery pipe 5, and is further cooled in a subsequent gas-water heat exchanger.
As shown in fig. 2, as a preferred embodiment of the present invention, the low-temperature gas inlet pipe 4 is two common steel pipes with the same specification, which are a right low-temperature gas inlet pipe 4-1 and a left low-temperature gas inlet pipe 4-2, respectively, and the right low-temperature gas inlet pipe 4-1 and the left low-temperature gas inlet pipe 4-2 are installed on a tank wall of the gas mixing pressure stabilizing tank 1, which is opposite to the high-temperature exhaust gas inlet pipe 2, with a center of the gas mixing pressure stabilizing tank 1 as a center, and with a central angle of 90 ° and have the same height as the high-temperature exhaust gas inlet pipe 2, and are symmetrical with respect to the high; the low-temperature gas inlet pipe 4 is externally connected with a low-temperature gas source, the flow rate of the low-temperature gas source is controlled through a valve, so that low-temperature gas from the right low-temperature gas inlet pipe 4-1 and the left low-temperature gas inlet pipe 4-2 is fully mixed with high-temperature waste gas in the gas mixing pressure stabilizing tank 2, the high-temperature waste gas is rapidly cooled, sinks in the gas mixing pressure stabilizing tank 1 and enters a follow-up conventional gas-water heat exchanger through the low-temperature waste gas recovery pipe 5.
Claims (5)
1. The utility model provides a high temperature waste gas cools off fast and retrieves and pressure stabilizer which characterized in that: comprises a gas mixing pressure stabilizing tank (1), a high-temperature waste gas inlet pipe (2), a tank wall water tank (3), a low-temperature gas inlet pipe (4) and a low-temperature waste gas recovery pipe (5); the high-temperature waste gas inlet pipe (2) is connected to the upper side position of the side wall of the gas mixing pressure stabilizing tank (1), and high-temperature waste gas enters the gas mixing pressure stabilizing tank (1) through the high-temperature waste gas inlet pipe (2); a tank wall water tank (3) is welded on the outer wall surface of the gas mixing pressure stabilizing tank (1) opposite to the high-temperature waste gas inlet pipe (2), the tank wall water tank (3) is an annular cavity groove surrounding the gas mixing pressure stabilizing tank (1), and water is filled in the tank wall water tank; two low-temperature gas inlet pipes (4) with the same specification are distributed at the positions of the two sides of the tank wall water tank (3) and the high-temperature waste gas inlet pipe (2) at the same horizontal height, low-temperature gas enters from the two low-temperature gas inlet pipes (4) and is mixed with high-temperature waste gas from the high-temperature waste gas inlet pipe (2) in the gas mixing pressure stabilizing tank (1), and the temperature of the high-temperature waste gas is rapidly reduced; a low-temperature waste gas recovery pipe (5) is arranged under the side wall of the gas mixing pressure stabilizing tank (1) under the tank wall water tank (3), and high-temperature waste gas which is mixed by low-temperature gas and cooled in the gas mixing pressure stabilizing tank (1) is discharged and enters the gas-water heat exchanger.
2. The device for rapidly cooling, recovering and stabilizing the pressure of the high-temperature exhaust gas according to claim 1, characterized in that: the gas mixing pressure stabilizing tank (1) is a pressure-bearing tank made of common materials, and can bear gas pressure of more than 3MPa, and the volume can be used for gas buffering and pressure stabilizing.
3. The device for rapidly cooling, recovering and stabilizing the pressure of the high-temperature exhaust gas according to claim 1, characterized in that: tank wall basin (5) to gas mixture surge tank (1) center is the centre of a circle, uses high temperature waste gas import pipe (2) as the symmetry axis, and circumference 60 encircles gas mixture surge tank (1), and inside is equipped with sufficient room temperature water, and the wall of protection gas mixture surge tank (1) prevents because the high temperature waste gas that high temperature waste gas and low temperature gas mix insufficient lead to the thermal shock of gas mixture surge tank (1) wall, guarantees the security of gas mixture surge tank (1).
4. The device for rapidly cooling, recovering and stabilizing the pressure of the high-temperature exhaust gas according to claim 1, characterized in that: the high-temperature waste gas inlet pipe (2) is made of high-temperature alloy steel and can resist the temperature of over 800 ℃; the low-temperature waste gas recovery pipe (5) is a common steel pipe, is arranged on the upper high-temperature waste gas inlet pipe (2) of the gas mixing pressure stabilizing tank (1) and is just below the side wall in the opposite direction, is externally connected with a gas-water heat exchanger, so that high-temperature waste gas enters from the high-temperature waste gas inlet pipe (2) at a high position, is fully mixed with low-temperature gas and is cooled, then the low-temperature gas sinks, flows out from the low-temperature waste gas recovery pipe (5), and is further cooled in a subsequent gas-water heat exchanger.
5. The rapid cooling, recycling and elegant device for high-temperature exhaust gas as claimed in claim 1, wherein: the low-temperature gas inlet pipe (4) is two common steel pipes with the same specification, is arranged on the tank wall of the gas mixing pressure stabilizing tank (1) opposite to the high-temperature waste gas inlet pipe (2) by taking the center of the gas mixing pressure stabilizing tank (1) as a circle center and forming a central angle of 90 degrees, has the same height as the high-temperature waste gas inlet pipe (2), and is symmetrical about the high-temperature waste gas inlet pipe (2); the low-temperature gas inlet pipe (4) is externally connected with a low-temperature gas source, and the flow of the low-temperature gas source is controlled by a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255158.3A CN112964084B (en) | 2021-03-09 | 2021-03-09 | High-temperature waste gas rapid cooling recovery and pressure stabilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255158.3A CN112964084B (en) | 2021-03-09 | 2021-03-09 | High-temperature waste gas rapid cooling recovery and pressure stabilizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112964084A true CN112964084A (en) | 2021-06-15 |
| CN112964084B CN112964084B (en) | 2021-12-28 |
Family
ID=76277553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110255158.3A Active CN112964084B (en) | 2021-03-09 | 2021-03-09 | High-temperature waste gas rapid cooling recovery and pressure stabilizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112964084B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054424A (en) * | 1974-06-17 | 1977-10-18 | Shell Internationale Research Maatschappij B.V. | Process for quenching product gas of slagging coal gasifier |
| CN85104951A (en) * | 1985-06-28 | 1987-01-07 | 国际壳牌研究有限公司 | Cool off the method and apparatus that a kind of sweat goes out gas |
| EP1035086B1 (en) * | 1999-03-12 | 2003-10-22 | KHD Humboldt-Wedag AG | Process and apparatus for cooling a stream of hot gas in a mixing chamber |
| JP2016166684A (en) * | 2015-03-09 | 2016-09-15 | 太平洋セメント株式会社 | Gas cooling method and apparatus |
| CN207591320U (en) * | 2017-11-27 | 2018-07-10 | 鄄城鼎晟化工科技有限公司 | A kind of tail gas recycle pretreatment unit |
| CN108426466A (en) * | 2018-04-10 | 2018-08-21 | 江苏大信环境科技有限公司 | Combustion chamber Quick temperature adjustment |
| CN108800190A (en) * | 2018-06-25 | 2018-11-13 | 西北工业大学 | A kind of test(ing) medium mixing arrangement |
| CN211026197U (en) * | 2019-10-22 | 2020-07-17 | 鹤山市知墨印刷粘合材料有限公司 | Reation kettle that atmospheric pressure is stable |
| CN111928684A (en) * | 2020-08-11 | 2020-11-13 | 马留芳 | High-temperature tail gas cooling device for chemical industry |
-
2021
- 2021-03-09 CN CN202110255158.3A patent/CN112964084B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054424A (en) * | 1974-06-17 | 1977-10-18 | Shell Internationale Research Maatschappij B.V. | Process for quenching product gas of slagging coal gasifier |
| CN85104951A (en) * | 1985-06-28 | 1987-01-07 | 国际壳牌研究有限公司 | Cool off the method and apparatus that a kind of sweat goes out gas |
| EP1035086B1 (en) * | 1999-03-12 | 2003-10-22 | KHD Humboldt-Wedag AG | Process and apparatus for cooling a stream of hot gas in a mixing chamber |
| JP2016166684A (en) * | 2015-03-09 | 2016-09-15 | 太平洋セメント株式会社 | Gas cooling method and apparatus |
| CN207591320U (en) * | 2017-11-27 | 2018-07-10 | 鄄城鼎晟化工科技有限公司 | A kind of tail gas recycle pretreatment unit |
| CN108426466A (en) * | 2018-04-10 | 2018-08-21 | 江苏大信环境科技有限公司 | Combustion chamber Quick temperature adjustment |
| CN108800190A (en) * | 2018-06-25 | 2018-11-13 | 西北工业大学 | A kind of test(ing) medium mixing arrangement |
| CN211026197U (en) * | 2019-10-22 | 2020-07-17 | 鹤山市知墨印刷粘合材料有限公司 | Reation kettle that atmospheric pressure is stable |
| CN111928684A (en) * | 2020-08-11 | 2020-11-13 | 马留芳 | High-temperature tail gas cooling device for chemical industry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112964084B (en) | 2021-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203820729U (en) | Multi-shaft three-phase pulverized coal pressure gasifying device | |
| WO2016119224A1 (en) | Isothermal and low temperature shift converter and shift conversion process thereof | |
| CN112964084B (en) | High-temperature waste gas rapid cooling recovery and pressure stabilizing device | |
| CN105749818A (en) | Low temperature methanation reactor and working process | |
| CN205627895U (en) | Low temperature methanator | |
| CN109354151A (en) | A kind of supercritical water oxidation system handling Radioactive myocardial damage | |
| CN106495099A (en) | There is the byproduct steam hydrogen chloride graphite synthesis furnace of economizer | |
| CN103456375B (en) | With the secondary side residual heat removal system of non-active volume control device | |
| CN101491751A (en) | Heat-exchange catalytic reaction device | |
| CN102288052B (en) | Liquid-state metal-sodium regenerative heater and heating method thereof | |
| CN201130542Y (en) | Sodium-sodium heat exchanger | |
| CN105344298B (en) | Graphite reaction kettle | |
| CN113689963B (en) | Multipurpose heat transport system for small-sized villiaumite cooling high-temperature reactor | |
| CN206168385U (en) | Optimize reactor of temperature | |
| CN203561248U (en) | Protective gas-water heat exchanger | |
| CN204220126U (en) | Spiral plate type chloroethylene synthesizing converter | |
| CN204421718U (en) | Heat exchanger bearing and heat exchanger assembly | |
| CN101174481B (en) | Sodium-sodium heat exchanger | |
| CN210595255U (en) | Anticorrosive type hydrogen chloride synthetic furnace of byproduct high pressure steam | |
| CN208315211U (en) | Passive residual heat removal system for molten salt reactor | |
| CN206365060U (en) | Combined holder | |
| CN202105652U (en) | Novel multi-phase stirring reactor | |
| CN102485649A (en) | Polysilicon hydrogenation furnace | |
| CN206375668U (en) | Byproduct steam hydrogen chloride graphite synthesis furnace with economizer | |
| CN113838587B (en) | Small-size villiaumite pile passive surplus row system based on integral type heat exchanger |
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 |