CN209685492U - Car-washing sewage circulating treating system - Google Patents
Car-washing sewage circulating treating system Download PDFInfo
- Publication number
- CN209685492U CN209685492U CN201920208014.0U CN201920208014U CN209685492U CN 209685492 U CN209685492 U CN 209685492U CN 201920208014 U CN201920208014 U CN 201920208014U CN 209685492 U CN209685492 U CN 209685492U
- Authority
- CN
- China
- Prior art keywords
- tank
- air flotation
- medium
- water
- sewage
- 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.)
- Active
Links
Landscapes
- Physical Water Treatments (AREA)
Abstract
本实用新型洗车污水循环处理系统包括:集水池、气浮池、加药箱、污泥池、多介质精密过滤罐、紫外线消毒装置、精密过滤器和清水箱,气浮池内装有导流板,导流板将气浮池分成进水区和出水区,集水池中的污水通过提升泵进入气浮池的进水区,加药箱中的药液通过加药泵进入气浮池的进水区,在气浮池的进水区内装有搅拌机和曝气机,气浮池进水区内的污水漫过导流板后流入气浮池出水区,在气浮池出水区的底端有一集泥坑,集泥坑通过管道与污泥池相连,在气浮池出水区内的气浮池的下端装有集水管,集水管出水口通过增压泵进入多介质精密过滤罐,在气浮池出水区上端装有刮渣机,该系统结构设计合理,达到对洗车污水的循环利用,大大节约了水资源。
The utility model car washing sewage circulation treatment system includes: a water collection pool, an air flotation pool, a dosing box, a sludge pool, a multi-media precision filter tank, an ultraviolet disinfection device, a precision filter and a clean water tank. The flow plate divides the air flotation tank into the water inlet area and the water outlet area. The sewage in the sump enters the water inlet area of the air flotation tank through the lift pump, and the liquid medicine in the dosing box enters the water inlet area of the air flotation tank through the dosing pump. The water inlet area of the floating tank is equipped with a mixer and an aerator. The sewage in the water inlet area of the air flotation tank overflows the deflector and then flows into the water outlet area of the air flotation tank. There is a mud pit at the bottom of the water outlet area of the air flotation pool. The sludge tank is connected, and a water collecting pipe is installed at the lower end of the air flotation tank in the water outlet area of the air flotation tank. Reasonable structural design achieves recycling of car washing sewage and greatly saves water resources.
Description
技术领域technical field
本实用新型属于污水处理设备技术领域,具体涉及一种洗车污水处理循环系统。背景技术 随着人民生活水平的提高,单位和家庭拥有的汽车数量也越来越多,这势必带来The utility model belongs to the technical field of sewage treatment equipment, in particular to a car washing sewage treatment circulation system. Background technology With the improvement of people's living standards, the number of cars owned by units and families is also increasing, which will inevitably bring
洗车水的大量消耗。据统计,清洗1辆小型汽车需用水0.04-0.10m3,从车上冲洗下来的泥沙、油渍、洗车蜡等污染物一起排入下水道,污染环境,对人们的生活环境造成影响。因此,节约洗车用水,减少洗车水污染是急需解决的问题,洗车废水回用是发展的必然趋势。已有的洗车废水处理有的采用生物法、化学加药法等,一般设备体积大、操作复杂、不利于控制、处理成本高等缺点。现设计一种洗车污水处理循环系统,对污水进行沉淀除杂,净化,消毒,达到对洗车污水的循环利用,大大节约了水资源。Excessive consumption of car wash water. According to statistics, 0.04-0.10m 3 of water is needed to clean a small car, and the sediment, oil stains, car wax and other pollutants washed from the car are discharged into the sewer together, polluting the environment and affecting people's living environment. Therefore, saving car wash water and reducing car wash water pollution are problems that need to be solved urgently, and the reuse of car wash wastewater is an inevitable trend of development. Some of the existing car wash wastewater treatment uses biological methods, chemical dosing methods, etc., but the general equipment has the disadvantages of large volume, complicated operation, unfavorable control, and high treatment cost. A car washing sewage treatment cycle system is now designed, which can deposit and remove impurities, purify and disinfect the sewage, so as to achieve the recycling of car washing sewage and greatly save water resources.
发明内容Contents of the invention
本实用新型目的在于提供一种洗车污水处理循环系统,以解决上述背景技术中提出的问题。The purpose of the utility model is to provide a car wash sewage treatment circulation system to solve the problems raised in the above-mentioned background technology.
为完成本实用新型的发明目的,本实用新型采用以下技术方案:For accomplishing the purpose of the invention of the utility model, the utility model adopts the following technical solutions:
本实用新型的一种洗车污水循环处理系统,它包括:集水池、气浮池、加药箱、污泥池、多介质精密过滤罐、紫外线消毒装置、精密过滤器和清水箱,集水池、气浮池、多介质精密过滤罐、紫外线消毒装置、精密过滤器和清水箱依次通过管道相连,加药箱通过加药泵和管道与气浮池相连,其中:所述气浮池内装有导流板,导流板将气浮池分成进水区和出水区,集水池中的污水通过提升泵进入气浮池的进水区,加药箱中的药液通过加药泵进入气浮池的进水区,在气浮池的进水区内装有搅拌机和曝气机,气浮池进水区内的污水漫过导流板后流入气浮池出水区,在气浮池出水区的底端有一集泥坑,集泥坑通过管道与污泥池相连,在气浮池出水区内的气浮池的下端装有集水管,集水管出水口通过增压泵与多介质精密过滤罐相连,在气浮池出水区内的气浮池的上端装有刮渣机,用于将污水表面的泡沫除去;A car washing sewage circulation treatment system of the present utility model, which comprises: a sump, an air flotation pool, a dosing box, a sludge pool, a multi-media precision filter tank, an ultraviolet disinfection device, a precision filter and a clean water tank, a sump, an air The floating tank, the multi-media precision filter tank, the ultraviolet disinfection device, the precision filter and the clean water tank are connected through pipelines in turn, and the dosing tank is connected with the air flotation tank through a dosing pump and pipeline, wherein: the air flotation tank is equipped with deflectors to guide The flow plate divides the air flotation tank into the water inlet area and the water outlet area. The sewage in the sump enters the water inlet area of the air flotation tank through the lift pump, and the liquid medicine in the dosing box enters the water inlet area of the air flotation tank through the dosing pump. The water inlet area of the floating tank is equipped with a mixer and an aerator. The sewage in the water inlet area of the air flotation tank overflows the deflector and then flows into the water outlet area of the air flotation tank. There is a mud pit at the bottom of the water outlet area of the air flotation pool. The sludge tank is connected, and a water collection pipe is installed at the lower end of the air flotation pool in the water outlet area of the air flotation pool. The water outlet of the water collection pipe is connected with a multi-media precision filter tank through a booster pump. Slag scraper, used to remove the foam on the surface of sewage;
本实用新型的一种洗车污水循环处理系统,其中:所述集水池的进水口处装有人工提篮式格栅;A car washing sewage circulation treatment system of the utility model, wherein: the water inlet of the sump is equipped with a manual basket-type grille;
本实用新型的一种洗车污水循环处理系统,其中:所述加药箱内装有药液搅拌机;A car washing sewage circulation treatment system of the present utility model, wherein: the medicine dosing box is equipped with a medicine liquid mixer;
本实用新型的一种洗车污水循环处理系统,其中:所述多介质精密过滤罐的侧壁上分别开有进水口和装料孔,它的底端装有出水管,顶端装有安全阀,在进水口和出水管之间的多介质精密过滤罐内装有承托板,在承托板上分别装有第一介质、第二介质和第三介质;A recycling treatment system for car washing sewage according to the utility model, wherein: the side wall of the multi-media precision filter tank is respectively provided with a water inlet and a charging hole, its bottom end is equipped with a water outlet pipe, and its top end is equipped with a safety valve. The multi-media precision filter tank between the water inlet and the outlet pipe is equipped with a supporting plate, and the first medium, the second medium and the third medium are respectively installed on the supporting plate;
本实用新型的一种洗车污水循环处理系统,其中:所述第一介质的颗粒小于第二介质的颗粒,第二介质的颗粒小于第三介质的颗粒;第一介质比重小于第二介质的比重和第三介质的比重;A car wash sewage circulation treatment system of the utility model, wherein: the particles of the first medium are smaller than the particles of the second medium, the particles of the second medium are smaller than the particles of the third medium; the specific gravity of the first medium is smaller than that of the second medium and the specific gravity of the third medium;
本实用新型的一种洗车污水循环处理系统,其中:在出水管上分别装有反洗进气管和反洗进水管,在第三承托板上装有若干个滤帽,在多介质精密过滤罐的侧壁上开有排污口,排污口在装料孔的上方;A car washing sewage circulation treatment system of the utility model, wherein: the backwash inlet pipe and the backwash water inlet pipe are respectively installed on the outlet pipe, several filter caps are installed on the third support plate, and the multi-media precision filter tank There is a sewage outlet on the side wall, and the sewage outlet is above the charging hole;
本实用新型的一种洗车污水循环处理系统,其中:在装有第一介质、第二介质和第三介质的多介质精密过滤罐的侧壁内焊接有防短流环;A car wash sewage circulation treatment system of the utility model, wherein: a short flow prevention ring is welded in the side wall of the multi-media precision filter tank equipped with the first medium, the second medium and the third medium;
本实用新型的一种洗车污水循环处理系统,其中:在装有第一介质、第二介质和第三介质的多介质精密过滤罐的侧壁上还开有卸料孔;A car washing sewage circulation treatment system of the utility model, wherein: a discharge hole is opened on the side wall of the multi-media precision filter tank equipped with the first medium, the second medium and the third medium;
本实用新型的一种洗车污水循环处理系统,其中:在污泥池内装有排污泵,沉淀在污泥池底端的污泥通过排污泵排出污泥池。The utility model relates to a car washing sewage circulation treatment system, wherein a sewage pump is installed in the sludge pool, and the sludge deposited at the bottom of the sludge pool is discharged from the sludge pool through the sewage pump.
本实用新型的洗车污水循环处理系统结构设计合理、简单,达到对洗车污水的循环利用,大大节约了水资源,节能环保,成本低,值得推广。The utility model has a reasonable and simple structural design of the car washing sewage circulation treatment system, achieves the recycling of the car washing sewage, greatly saves water resources, is energy-saving, environmentally friendly, and low in cost, and is worthy of popularization.
附图说明:Description of drawings:
图1为本实用新型的洗车污水循环处理系统的示意图;Fig. 1 is the schematic diagram of the car wash sewage circulation treatment system of the present utility model;
图2为多介质精密过滤罐的剖面示意图。Fig. 2 is a schematic cross-sectional view of a multi-media precision filter tank.
图1和图2中,标号1为人工提篮式格栅;标号2为集水池;标号3为提升泵;标号4为搅拌机;标号5为曝气机;标号6为刮渣机;标号7为气浮池;标号8为污泥池;标号9为排污泵;标号10为增压泵;标号11为加料箱;标号12为加药泵;标号13为药液搅拌机;标号14为多介质精密过滤罐;标号15为紫外消毒装置;标号16为精密过滤器;标号17为集水管;标号18为集泥坑;标号19为清水箱;标号20为导流板;标号21为安全阀;标号22为排污阀;标号23为进水口;标号24为防短流环;标号25为第一介质;标号26为装料孔;标号28为卸料孔;标号27为第二介质、标号29为第三介质;标号30为承托板,标号31为反洗进气管;标号32为反洗进水管;标号33为出水管;标号34为滤帽。In Figure 1 and Figure 2, the number 1 is the artificial basket grill; the number 2 is the sump; the number 3 is the lift pump; the number 4 is the mixer; the number 5 is the aerator; the number 6 is the scraper; Air flotation tank; number 8 is the sludge tank; number 9 is the sewage pump; number 10 is the booster pump; number 11 is the feeding box; number 12 is the dosing pump; number 13 is the liquid medicine mixer; number 14 is the multi-media precision filter tank; label 15 is an ultraviolet disinfection device; label 16 is a precision filter; label 17 is a water collection pipe; label 18 is a mud pit; label 19 is a clean water tank; label 20 is a deflector; Sewage valve; label 23 is the water inlet; label 24 is the anti-short flow ring; label 25 is the first medium; label 26 is the charging hole; label 28 is the discharge hole; label 27 is the second medium, label 29 is the third Medium; label 30 is a support plate, label 31 is a backwash inlet pipe; label 32 is a backwash water inlet; label 33 is an outlet pipe; label 34 is a filter cap.
具体实施内容Specific implementation content
如图1所示,本实用新型的洗车污水循环处理系统包括:集水池2、气浮池7、加药箱11、污泥池8、多介质精密过滤罐14、紫外线消毒装置15、精密过滤器16和清水箱19,集水池2、气浮池7、多介质精密过滤罐14、紫外线消毒装置15、精密过滤器16和清水箱19依次通过管道相连,加药箱11通过加药泵12和管道与气浮池7相连,集水池2的进水口处装有人工提篮式格栅1。加药箱11内装有药液搅拌机13。气浮池7内装有导流板20,导流板20将气浮池7分成进水区和出水区,集水池2中的污水通过提升泵3进入气浮池7的进水区,加药箱11中的药液通过加药泵12进入气浮池7的进水区,在气浮池7的进水区内装有搅拌机4和曝气机5,气浮池7进水区内的污水漫过导流板20后流入气浮池7出水区,在气浮池7出水区的底端有一集泥坑18,集泥坑18通过管道与污泥池8相连,在污泥池8内装有排污泵9,沉淀在污泥池8底端的污泥通过排污泵9排出污泥池8。在气浮池7出水区内的气浮池7的下端装有集水管17,集水管17出水口通过增压泵10与多介质精密过滤罐14相连,在气浮池7出水区内的气浮池7的上端装有刮渣机6,用于将污水表面的泡沫除去。As shown in Figure 1, the car wash sewage circulation treatment system of the utility model includes: sump 2, air flotation tank 7, dosing tank 11, sludge tank 8, multi-media precision filter tank 14, ultraviolet disinfection device 15, precision filter 16 and clean water tank 19, sump 2, air flotation tank 7, multi-media precision filter tank 14, ultraviolet sterilizer 15, precision filter 16 and clean water tank 19 are connected through pipelines successively, and dosing box 11 is passed through dosing pump 12 and pipeline It is connected with the air flotation pool 7, and the water inlet of the sump pool 2 is equipped with an artificial basket-type grille 1. Medicinal solution mixer 13 is housed in the dosing box 11. The deflector 20 is housed in the air flotation tank 7, and the deflector 20 divides the air flotation tank 7 into a water inlet area and a water outlet area. The medicinal liquid enters the water intake area of the air flotation tank 7 through the dosing pump 12, and the mixer 4 and the aerator 5 are installed in the water intake area of the air flotation tank 7, and the sewage in the air flotation tank 7 water intake area overflows the deflector 20 After flowing into the air flotation pool 7 water outlet areas, there is a mud collection pit 18 at the bottom of the air flotation pool 7 water outlet areas. The mud collection pit 18 is connected to the sludge pool 8 through pipelines. The sludge at the bottom of 8 is discharged from the sludge pool 8 through the sewage pump 9. The lower end of the air flotation pool 7 in the air flotation pool 7 water outlet areas is equipped with a water collection pipe 17, and the water collection pipe 17 water outlets are connected with the multi-media precision filter tank 14 by a booster pump 10, in the air flotation pool 7 in the air flotation pool 7 water outlet areas. The upper end is equipped with a slag scraper 6, which is used to remove the foam on the surface of the sewage.
如图2所示,多介质精密过滤罐14的侧壁上分别开有进水口23和装料孔26,它的底端装有出水管33,顶端装有安全阀21,在进水口23和出水管33之间的多介质精密过滤罐14内装有承托板30,在承托板30上分别装有第一介质25、第二介质27和第三介质29。第一介质25的颗粒小于第二介质27的颗粒,第二介质27的颗粒小于第三介质29的颗粒,第一介质比重小于第二介质27的比重和第三介质29的比重。在出水管33上分别装有反洗进气管31和反洗进水管32,在承托板30上装有若干个滤帽34,在多介质精密过滤罐14的侧壁上开有排污口22,排污口22在装料孔26的上方。在装有第一介质25、第二介质27和第三介质29的多介质精密过滤罐14的侧壁内焊接有防短流环24。在装有第一介质25、第二介质27和第三介质29的多介质精密过滤罐14的侧壁上还开有卸料孔28。As shown in Figure 2, the side wall of the multi-media precision filter tank 14 is respectively provided with a water inlet 23 and a charging hole 26, an outlet pipe 33 is installed at its bottom, and a safety valve 21 is installed at the top. The multi-media precision filter tank 14 between the water pipes 33 is equipped with a supporting plate 30, and the first medium 25, the second medium 27 and the third medium 29 are respectively installed on the supporting plate 30. The particles of the first medium 25 are smaller than the particles of the second medium 27 , the particles of the second medium 27 are smaller than the particles of the third medium 29 , and the specific gravity of the first medium is smaller than the specific gravity of the second medium 27 and the specific gravity of the third medium 29 . A backwash inlet pipe 31 and a backwash water inlet pipe 32 are respectively installed on the water outlet pipe 33, several filter caps 34 are installed on the support plate 30, and a sewage outlet 22 is opened on the side wall of the multi-media precision filter tank 14, The sewage outlet 22 is above the charging hole 26 . An anti-short flow ring 24 is welded in the side wall of the multi-media precision filter tank 14 equipped with the first medium 25 , the second medium 27 and the third medium 29 . There is also a discharge hole 28 on the side wall of the multi-media precision filter tank 14 equipped with the first medium 25 , the second medium 27 and the third medium 29 .
该洗车污水处理循环系统,使用时,将洗车废水通过人工提篮式格栅1,污水中的大的漂浮物或大的块状泥沙等被隔离后,污水进入到集水池2内,污水中细小的泥沙等杂质在集水池2内沉淀,经过沉淀后的污水通过集水池2与气浮池7之间的连通孔进入气浮池7,在加料箱11流入气浮池7进水区的少量絮凝药剂和曝气机5的共同作用下,在气浮池7出水区中,水中大量杂质以浮渣形式分布于水体表层,通过刮渣机6将污水中的油、杂质、有机物等加以分离,对污水进行初步净化,初步净化后的水通过增压泵10进入多介质精密过滤罐14,多介质精密过滤罐14对水中的细小杂质进行进一步拦截、吸附、过滤和去除;多介质精密过滤罐14的出水通过紫外消毒装置15进行灭菌处理;灭菌后的水体进入精密过滤器16,进一步吸附和去除杂质,保证产水水质。精密过滤器16的出水进入清水箱19,清水箱19内的水通过出水管与洗车系统连通,为洗车提供水源,在洗车的过程中水会消耗一部分,当清水箱19内的水位低于最小水位时,通过补充自来水对清水箱19进行补水。The car washing sewage treatment circulation system, when in use, passes the car washing wastewater through the artificial basket-type grille 1, and after the large floating objects or large blocky silt in the sewage are isolated, the sewage enters the sump 2, and the sewage enters Impurities such as fine silt settle in the sump 2, and the settled sewage enters the air flotation pool 7 through the communication hole between the sump 2 and the air flotation pool 7, and flows into the air flotation pool 7 in the feeding box 11 for a small amount of flocculation in the water inlet area. Under the joint action of the medicament and the aerator 5, in the water outlet area of the air flotation tank 7, a large amount of impurities in the water are distributed on the surface of the water body in the form of scum, and the oil, impurities, organic matter, etc. in the sewage are separated by the slag scraper 6, and the The sewage is initially purified, and the water after preliminary purification enters the multi-media precision filter tank 14 through the booster pump 10, and the multi-media precision filter tank 14 further intercepts, absorbs, filters and removes fine impurities in the water; the multi-media precision filter tank 14 The effluent is sterilized by the ultraviolet disinfection device 15; the sterilized water enters the precision filter 16 to further absorb and remove impurities to ensure the quality of the produced water. The outlet water of the precision filter 16 enters the clean water tank 19, and the water in the clean water tank 19 communicates with the car washing system through the outlet pipe to provide a water source for the car wash. In the process of car washing, part of the water will be consumed. When the water level in the clean water tank 19 is lower than the minimum During the water level, clean water tank 19 is replenished by replenishing tap water.
以上所述的实施例仅仅是对本实用新型的优选实施方式进行描述,并非对本实用新型的范围进行限定,在不脱离本实用新型设计精神的前提下,本领域普通技术人员对本实用新型的技术方案做出的各种变形和改进,均应落入本实用新型权利要求书确定的保护范围内。The above-mentioned embodiments are only described to the preferred implementation of the utility model, and are not limited to the scope of the utility model. Various modifications and improvements made should fall within the scope of protection determined by the claims of the utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920208014.0U CN209685492U (en) | 2019-02-19 | 2019-02-19 | Car-washing sewage circulating treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920208014.0U CN209685492U (en) | 2019-02-19 | 2019-02-19 | Car-washing sewage circulating treating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209685492U true CN209685492U (en) | 2019-11-26 |
Family
ID=68601983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920208014.0U Active CN209685492U (en) | 2019-02-19 | 2019-02-19 | Car-washing sewage circulating treating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209685492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200629A (en) * | 2021-06-17 | 2021-08-03 | 中冶京诚工程技术有限公司 | Flotation device and water body purification integrated system |
| CN117069336A (en) * | 2023-10-07 | 2023-11-17 | 内蒙古驿港科技企业管理有限公司 | A car wash wastewater treatment device |
-
2019
- 2019-02-19 CN CN201920208014.0U patent/CN209685492U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200629A (en) * | 2021-06-17 | 2021-08-03 | 中冶京诚工程技术有限公司 | Flotation device and water body purification integrated system |
| CN117069336A (en) * | 2023-10-07 | 2023-11-17 | 内蒙古驿港科技企业管理有限公司 | A car wash wastewater treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102020370A (en) | Sewage advanced treatment method and device thereof | |
| CN207792879U (en) | A kind of integrated sewage treating apparatus | |
| CN108609783A (en) | A kind of device for recycling use of domestic sewage and application method | |
| CN201176409Y (en) | Integration device for reclaiming and purifying car-washing sewerage | |
| CN201962160U (en) | Novel continuously working device for treating and recycling car washing sewage | |
| CN220779380U (en) | Sewage standing sedimentation tank | |
| CN210559796U (en) | Car wash sewage treatment and recovery self-circulation system | |
| CN209128197U (en) | A kind of wastewater from car washer recycling environmental protection equipment | |
| CN106915871A (en) | Treated sewage reusing sewage-treatment plant | |
| CN207877449U (en) | Sand washing wastewater treatment system | |
| CN206940624U (en) | A kind of sewage-treatment plant | |
| CN212222719U (en) | A kind of cleaning liquid automatic filtering processing equipment | |
| CN209081685U (en) | A kind of monkshood factory processing waste water processing unit | |
| CN223950888U (en) | Water treatment facilities of high-efficient algae that removes | |
| CN209602318U (en) | A kind of purification tank of antiseep and the dirty water decontamination handles function | |
| CN206927709U (en) | A kind of wastewater from car washer processing system | |
| CN2926214Y (en) | Water treater for carwash house | |
| CN223804974U (en) | A wastewater reuse device for water ecological environment treatment | |
| CN222877754U (en) | An integrated water purification device | |
| CN220223870U (en) | Gravity-driven integrated domestic reclaimed water recycling device | |
| CN2458300Y (en) | Waste water treating final filtering tank | |
| CN2535105Y (en) | Integrated sedimentation tank | |
| CN218811187U (en) | Drainage filtering and recycling structure | |
| CN221159598U (en) | Oil-liquid separation device for cutting fluid | |
| CN207774971U (en) | The processing of air supporting mixed condensation type wastewater from car washer and reclamation set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20250801 Granted publication date: 20191126 |
|
| PP01 | Preservation of patent right |