WO2023087568A1 - Système de traitement des gaz de combustion d'une chaudière comportant un réchauffeur d'air efficace - Google Patents

Système de traitement des gaz de combustion d'une chaudière comportant un réchauffeur d'air efficace Download PDF

Info

Publication number
WO2023087568A1
WO2023087568A1 PCT/CN2022/078192 CN2022078192W WO2023087568A1 WO 2023087568 A1 WO2023087568 A1 WO 2023087568A1 CN 2022078192 W CN2022078192 W CN 2022078192W WO 2023087568 A1 WO2023087568 A1 WO 2023087568A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
flue gas
air preheater
housing
inlet
Prior art date
Application number
PCT/CN2022/078192
Other languages
English (en)
Chinese (zh)
Inventor
徐晓亮
张旭
马军
华攀龙
Original Assignee
江苏峰业科技环保集团股份有限公司
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 江苏峰业科技环保集团股份有限公司 filed Critical 江苏峰业科技环保集团股份有限公司
Publication of WO2023087568A1 publication Critical patent/WO2023087568A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Definitions

  • the invention belongs to the technical field of boiler flue gas treatment, and in particular relates to a boiler flue gas treatment system with a high-efficiency air preheater.
  • the boiler flue gas treatment system of a thermal power plant usually needs to use a rotary air preheater to cool down the raw flue gas. Due to the mandatory requirements of the national environmental protection policy, the existing thermal power units need to be equipped with a flue gas denitrification device, and an appropriate amount of ammonia needs to be injected. The resulting ammonium bisulfate will form scales that are difficult to remove in the air preheater. At the same time, there is an air leakage in the rotary air preheater that causes cold air to leak into the flue gas, causing low-temperature corrosion, scaling and blockage.
  • the purpose of the present invention is to provide a boiler flue gas treatment system with a high-efficiency air preheater that prevents ammonium bisulfate from clogging, has good ash removal effect, and prevents air leakage.
  • the technical scheme adopted by the boiler flue gas treatment system with high-efficiency air preheater of the present invention is:
  • a boiler flue gas treatment system with a high-efficiency air preheater comprising sequentially connected SCR denitrification reactors, air preheaters, flue gas heaters, electrostatic precipitators, and desulfurization absorption towers, the air preheater
  • the air outlets are connected in parallel into two ends, one end flows back to the boiler, and the other end communicates with the inlet of the flue gas heater, and the outlet of the flue gas heater also returns to the air inlet of the air preheater;
  • the air preheater includes a housing, a rotating shaft arranged in the middle of the housing, and a rotor sleeved on the outer periphery of the rotating shaft.
  • the rotor is connected to a partition in the radial direction, and the partition divides the interior of the housing into multiple heat storage areas.
  • each heat storage area is provided with a heat transfer element
  • the housing includes a hot end and a cold end oppositely arranged up and down
  • the hot end includes a flue gas inlet, a first air outlet and a second air outlet
  • the first The surface of an air outlet is provided with a port facing the inner cavity of the air preheater
  • the cold end includes a flue gas outlet, a first air inlet and a second air inlet
  • the surface of the first air inlet is provided with The port faces the second sonic ash removal assembly in the inner cavity of the air preheater.
  • Both the first sonic ash removal assembly and the second sonic ash removal assembly include a C-shaped cover with the port bent toward the shell, and the lower end of the C-shaped cover Divided into a plurality of arc-shaped slides by the partition plate, the port of the slides is provided with a sonic dust collector placed on the bottom wall of the C-shaped cover, and the multiple slides correspond to the heat storage area after being bent.
  • the bending length of the adjacent slideways is set as the difference between the perimeters of the adjacent heat storage areas;
  • the inside of the housing is also provided with a flexible sealing assembly to prevent air leakage.
  • the flexible sealing assembly includes a first magnetic pole surrounding the upper bottom wall of the housing, a second magnetic pole repelling the first magnetic pole, and a second magnetic pole installed
  • a mounting frame the mounting frame includes a mounting seat arranged on the top of the partition, one end of the mounting seat is provided with a fixed plate, the other end is hinged with a rotating rod, the surface of the fixed plate is fixedly connected to the second magnetic pole, and the rotating rod
  • the end portion is connected with a magnetic seal wheel attracted to the first magnetic pole, and the magnetic seal wheel is embedded in an accommodating groove opened on the upper bottom wall of the housing.
  • Fan-shaped plates are arranged between the air outlet and the second air inlet.
  • the cold end of the housing is provided with a temperature sensor for monitoring the outlet temperature, the temperature sensor is electrically connected to the controller, and the controller also controls the rotational speed of the driving motor connected to the rotating shaft.
  • the controller also controls the sound frequency of the sonic dust collector.
  • a flue gas passage is formed between the flue gas inlet and the flue gas outlet, a first air duct is formed between the first air inlet and the first air outlet, and a flue gas channel is formed between the second air inlet and the second air outlet.
  • a second air duct is formed between them.
  • the first sonic ash removal assembly and the second sonic ash removal assembly are turned left and right and arranged at the hot end and the cold end of the casing.
  • the inlet of the SCR denitration reactor communicates with the outlet of the boiler.
  • a blower is connected to the inlet end of the flue gas heater, and a dry burning partition door is provided between the blower and the flue gas heater.
  • an induced draft fan is provided between the electrostatic precipitator and the desulfurization absorption tower.
  • a flue gas heater is added to the flue gas treatment system, and the flue gas heater is used to greatly increase the air temperature at the inlet of the air preheater, thereby increasing the wall temperature of the heat exchange plate, avoiding the blockage of ammonium bisulfate, and reducing the emission flue gas temperature to realize waste heat recovery;
  • the present invention installs a sonic ash remover in the air preheater, uses the sonic ash remover to effectively remove the blockage of ammonium bisulfate in the shell, combines the temperature sensor with two air inlets and outlets, changes the rotational speed of the shell in real time, and makes the shell Dust and dirt cannot gather on the surface of the inner partition, heat transfer element, etc., so as to ensure the heat transfer effect;
  • a flexible sealing assembly is provided in the casing, so that the deformation of the casing caused by heat is alleviated, and the problem of air leakage caused by the deformation of the casing is avoided.
  • Fig. 1 is a schematic diagram of the system structure of the present invention
  • Fig. 2 is the structural representation of air preheater among the present invention
  • Fig. 3 is another structural representation of air preheater in the present invention.
  • Fig. 4 is the structural representation of the first sonic ash removal assembly and the second sonic ash removal assembly in the present invention
  • Fig. 5 is a structural schematic diagram of the flexible sealing assembly in the present invention.
  • the crystals adsorb fly ash, making it difficult to remove effectively by conventional steam blowing.
  • Air preheating The soot blocking of the boiler will increase the resistance of flue gas and air flow, the power consumption of the three major fans will increase, the heat exchange efficiency will decrease, and the exhaust gas temperature will increase, which will cause the boiler to reach the load limit or even be forced to shut down.
  • the present invention introduces a flue gas heater and utilizes the dry burning property of the flue gas heater to vaporize the secondary condensed ammonium bisulfate, At the same time, the ammonium bisulfate generated in the air preheater is removed by the sonic dust collector, and the rotor speed is adjusted in real time according to the outlet temperature, so as to prevent the internal parts of the air preheater from accumulating dust.
  • a boiler flue gas treatment system with a high-efficiency air preheater includes a sequentially connected SCR denitrification reactor 1, an air preheater 2, a flue gas heater 3, and an electrostatic precipitator 4 and a desulfurization absorption tower 5, the inlet of the SCR denitrification reactor 1 is connected with the outlet of the boiler 6, the air outlet of the air preheater 2 is connected in parallel to form two ends, one end returns to the boiler 6, and the other end is connected to the flue gas heating The inlet of the fan 3 is connected, and the outlet of the flue gas heater 3 also flows back to the air inlet of the air preheater 2;
  • the air preheater 2 includes a housing 20, a rotating shaft 21 disposed in the middle of the housing 20, and a rotor 22 sleeved on the outer periphery of the rotating shaft 21.
  • the rotor 22 is connected to a partition 23 in the radial direction, and the partition 23 connects the housing
  • the interior of the body 20 is divided into a plurality of heat storage areas, each heat storage area is provided with a heat transfer element
  • the housing 20 includes a hot end and a cold end oppositely arranged up and down, and the hot end includes a flue gas inlet 201, a second An air outlet 202 and a second air outlet 203
  • the surface of the first air outlet 202 is provided with a first acoustic wave ash removal assembly whose port faces the inner cavity of the air preheater 2
  • the cold end includes a flue gas outlet 204, a first The air inlet 205 and the second air inlet 206, between the hot end flue gas inlet 201 and
  • the lower end of the C-shaped cover 207 is divided into a plurality of arc-shaped slides 208 by a partition plate.
  • the ports of the slides 208 are provided with a C-shaped
  • the sonic dust remover 209 on the bottom wall of the shaped cover 207, the plurality of slideways 208 are respectively corresponding to the heat storage area after being bent, and the bending length of the adjacent slideways 208 is set to the difference between the perimeters of the adjacent heat storage areas;
  • the inside of the housing 20 is also provided with a flexible sealing assembly to prevent air leakage.
  • the flexible sealing assembly includes a first magnetic pole 210 surrounding the upper bottom wall of the housing 20 and a second magnetic pole 211 repelling the first magnetic pole 210.
  • the mounting frame for installing the second magnetic pole 211 the mounting frame includes a mounting seat arranged on the top of the partition plate 23, one end of the mounting seat is provided with a fixed plate 212, and the other end is hinged with a rotating rod 213, the surface of the fixed plate 212
  • the second magnetic pole 211 is fixedly connected, and the end of the rotating rod 213 is connected with a magnetic seal wheel 214 that is attracted to the first magnetic pole 210. in the slot.
  • the air heater greatly increases the inlet air temperature of the air preheater, but since the wall temperature of the heat exchange tube of the air heater is lower than the ammonium bisulfate crystallization temperature, the outlet of the air preheater must be increased after the inlet air temperature is increased.
  • the air heater in the present invention is a flue gas heater, after drying Burning increases the temperature of the heat exchange tube wall to gasify ammonium bisulfate, and at the same time adopts dry burning in a small local area to make the temperature of a small amount of high-temperature flue gas mixed with a large amount of low-temperature flue gas drop below the crystallization temperature of ammonium bisulfate to avoid Ammonium bisulfate condenses again.
  • the cold end of the housing 20 is provided with a temperature sensor to monitor the outlet temperature, the temperature sensor is electrically connected to the controller, and the controller also controls the speed of the driving motor connected to the rotating shaft 21, and the controller also controls the sonic dust collector 209 sound wave frequency.
  • the temperature sensor is used to monitor the temperature of the cold end in real time, which is convenient for adjusting the speed of the rotor 22 in time, and combined with the sonic dust collector 209, quickly removes the dirt generated after the speed of the rotor 22 is reduced.
  • a flue gas channel is formed between the flue gas inlet 201 and the flue gas outlet 204, a first air duct is formed between the first air inlet 205 and the first air outlet 202, and the second air inlet 206 and the second outlet A second air passage is formed between the air outlets 203 .
  • the inlet end of the flue gas heater 3 is connected with a blower 7, and a dry-burning partition door 8 is arranged between the blower 7 and the flue gas heater 3, and an induction door 8 is arranged between the electrostatic precipitator 4 and the desulfurization absorption tower 5.
  • fan9. By arranging the air blower 7 and the induced draft fan 9, the flue gas can be promoted to flow quickly, and the boiler flue gas treatment efficiency can be improved.
  • the temperature sensor continuously monitors the temperature of the cold end of the housing 20.
  • the temperature sensor detects that the surface temperature of the heat transfer element is lower than 147°C
  • the temperature sensor sends an electrical signal to the controller, and the controller increases the speed of the drive motor, and the rotor 22
  • the residence time of the heat transfer elements in the casing 20 in the first air passage and the second air passage is shortened, so that the temperature of the heat transfer elements can gradually rise until the lowest temperature of the cold end of the rotor 22 exceeds 147°C, and Keep the rotation speed;
  • the temperature sensor detects that the surface temperature of the heat transfer element is higher than 147°C
  • the temperature sensor sends an electrical signal to the controller, and the controller reduces the speed of the driving motor, and the speed of the rotor 22 decreases accordingly, and the transmission in the housing 20
  • the temperature of the heating element gradually decreases, and at the same time, the sonic dust collector 209 is started.
  • the ends of the sonic dust collector 209 are provided with a plurality of slideways 208, the sound wave is distributed in a flow field, and the dirt on the surface of the heat transfer element in the housing 20 is effectively removed; 22
  • the fixed plate 212 is pressed tightly with the partition plate, and the magnetic seal wheel 214 is kept tightly connected in the accommodating tank while freely rotating. Eliminate the deformation of the housing 20 due to heat, avoid the air leakage of the housing 20 and reduce the operating capacity of the unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Supply (AREA)
  • Chimneys And Flues (AREA)

Abstract

L'invention concerne un système de traitement des gaz de combustion d'une chaudière (6) comportant un réchauffeur d'air efficace (2). Le système de traitement des gaz de combustion de la chaudière (6) comprend un réacteur de dénitrification de réduction sélective catalytique (SCR) (1), le réchauffeur d'air (2), un réchauffeur d'air des gaz de combustion (3), un dépoussiéreur électrique (4) et une tour d'absorption de désulfuration (5), qui sont connectés de manière séquentielle, les sorties d'air du réchauffeur d'air (2) étant connectées en parallèle pour former deux extrémités de dérivation, une extrémité permettant le retour vers la chaudière (6), et l'autre extrémité étant en communication avec une entrée du réchauffeur d'air des gaz de combustion (3) ; une sortie du réchauffeur d'air des gaz de combustion (3) permettant également un retour vers une entrée d'air du réchauffeur d'air (2) ; une surface de la première sortie d'air (202) du réchauffeur d'air (2) étant pourvue d'un premier ensemble de nettoyage sonique des suies dont l'orifice fait face à une cavité intérieure du réchauffeur d'air (2), et une surface de la première entrée d'air (205) étant pourvue d'un second ensemble de nettoyage sonique des suies dont l'orifice fait face à la cavité intérieure du réchauffeur d'air (2) ; le premier ensemble de nettoyage sonique de suie et le second ensemble de nettoyage sonique de suie comprenant chacun un couvercle en forme de C (207) dont l'orifice est orienté vers un boîtier (20) ; et le boîtier (20) étant en outre équipé à l'intérieur d'un ensemble d'étanchéité magnétique qui empêche le boîtier (20) de laisser échapper de l'air. Le réchauffeur d'air des gaz de combustion (3) est également prévu dans le système de traitement des gaz de combustion pour augmenter la température de l'air à l'entrée du réchauffeur d'air (2), évitant ainsi le blocage du bisulfate d'ammonium ; un nettoyeur de suie sonique (209) est placé dans le réchauffeur d'air (2), éliminant ainsi efficacement le blocage du bisulfate d'ammonium à l'intérieur du boîtier (20) ; et un ensemble d'étanchéité flexible est utilisé, de sorte que le problème de la fuite d'air causée par la déformation du boîtier (20) est résolu.
PCT/CN2022/078192 2021-11-22 2022-02-28 Système de traitement des gaz de combustion d'une chaudière comportant un réchauffeur d'air efficace WO2023087568A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111384595.1A CN113915635A (zh) 2021-11-22 2021-11-22 一种带有高效空气预热器的锅炉烟气处理系统
CN202111384595.1 2021-11-22

Publications (1)

Publication Number Publication Date
WO2023087568A1 true WO2023087568A1 (fr) 2023-05-25

Family

ID=79247838

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/078192 WO2023087568A1 (fr) 2021-11-22 2022-02-28 Système de traitement des gaz de combustion d'une chaudière comportant un réchauffeur d'air efficace

Country Status (2)

Country Link
CN (1) CN113915635A (fr)
WO (1) WO2023087568A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117890166A (zh) * 2024-03-14 2024-04-16 山西泰瑞祥科技有限公司 一种空气污染监测装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113915635A (zh) * 2021-11-22 2022-01-11 江苏峰业科技环保集团股份有限公司 一种带有高效空气预热器的锅炉烟气处理系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09280760A (ja) * 1996-04-09 1997-10-31 Ishikawajima Harima Heavy Ind Co Ltd ホットプライマリエアファンを備えたローテミューレ式空気予熱器
CN2299995Y (zh) * 1997-06-06 1998-12-09 许能贵 内腔式炉膛声吹灰器
CN104545703A (zh) * 2013-10-15 2015-04-29 封国生 一种带有振动装置的清洁工具
CN109059036A (zh) * 2018-07-10 2018-12-21 华中科技大学 一种回转式空气预热器磁轮径向密封装置
CN110454807A (zh) * 2019-07-31 2019-11-15 南京常荣声学股份有限公司 一种基于声波与热风联合预防空预器堵塞的装置
CN210568553U (zh) * 2019-06-17 2020-05-19 王键 锅炉烟气处理系统
CN112097287A (zh) * 2019-06-17 2020-12-18 王键 一种锅炉节能与烟气脱白系统、工艺、应用
CN113915635A (zh) * 2021-11-22 2022-01-11 江苏峰业科技环保集团股份有限公司 一种带有高效空气预热器的锅炉烟气处理系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206722A (en) * 1978-10-16 1980-06-10 Uop Inc. Heat recovery process for fired power plants
CN108870432B (zh) * 2018-05-11 2020-03-10 宁夏马连富电力科技有限公司 减少受热面回转式空气预热器转子堵灰的方法
CN110118361B (zh) * 2019-04-16 2024-05-07 华电电力科学研究院有限公司 一种防硫酸氢铵沉积的五分仓回转式空气预热器的工作方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09280760A (ja) * 1996-04-09 1997-10-31 Ishikawajima Harima Heavy Ind Co Ltd ホットプライマリエアファンを備えたローテミューレ式空気予熱器
CN2299995Y (zh) * 1997-06-06 1998-12-09 许能贵 内腔式炉膛声吹灰器
CN104545703A (zh) * 2013-10-15 2015-04-29 封国生 一种带有振动装置的清洁工具
CN109059036A (zh) * 2018-07-10 2018-12-21 华中科技大学 一种回转式空气预热器磁轮径向密封装置
CN210568553U (zh) * 2019-06-17 2020-05-19 王键 锅炉烟气处理系统
CN112097287A (zh) * 2019-06-17 2020-12-18 王键 一种锅炉节能与烟气脱白系统、工艺、应用
CN110454807A (zh) * 2019-07-31 2019-11-15 南京常荣声学股份有限公司 一种基于声波与热风联合预防空预器堵塞的装置
CN113915635A (zh) * 2021-11-22 2022-01-11 江苏峰业科技环保集团股份有限公司 一种带有高效空气预热器的锅炉烟气处理系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117890166A (zh) * 2024-03-14 2024-04-16 山西泰瑞祥科技有限公司 一种空气污染监测装置

Also Published As

Publication number Publication date
CN113915635A (zh) 2022-01-11

Similar Documents

Publication Publication Date Title
WO2023087568A1 (fr) Système de traitement des gaz de combustion d'une chaudière comportant un réchauffeur d'air efficace
CN111306568A (zh) 热一风预热蓄热元件缓解回转式空预器堵塞的装置及方法
CN106546124A (zh) 一种循环风防堵灰装置及回转式空气预热器
CN213656782U (zh) 一种蓄热式热氧化器
CN109663428A (zh) 烟气处理系统
CN210568552U (zh) 一种锅炉节能与烟气脱白系统
CN112628792B (zh) 防止空气预热器abs堵塞的分离式空气预热系统及操作方法
CN216114132U (zh) 一种用于减缓空预器积灰堵塞的改进系统
CN207262471U (zh) 一种回转式空气预热器
CN215336435U (zh) 一种翅片热交换管高效锅炉
CN110513713B (zh) 一种具有清理功能的回转式空气预热器及其清理方法
CN212430928U (zh) 热一风预热蓄热元件缓解回转式空预器堵塞的装置
CN113739190A (zh) 一种回转式空预器防堵系统
CN218599776U (zh) 一种空预器热风逆流吹扫防堵灰装置
CN219530910U (zh) 一种回转式空预器防堵组件
CN214426048U (zh) 一种空预器用防堵塞的防尘结构
CN219775786U (zh) 一种具有热能回收功能的除尘器
CN219914112U (zh) 一种烟气余热回收装置
CN218763497U (zh) 一种烟囱排气热量回收装置
CN219167997U (zh) 一种冷凝式燃气暖浴两用炉
CN213656811U (zh) 一种电厂烟气系统换热装置
CN208818062U (zh) 一种复合式吹灰装置
CN221037032U (zh) 一种scr脱销尿素热解系统的烟气交换系统
CN211600761U (zh) 一种锅炉供热装置
CN217188861U (zh) 一种电袋复合除尘及scr脱硝装置

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 2022/004810

Country of ref document: TR

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22894114

Country of ref document: EP

Kind code of ref document: A1