CN111115832A - Implementation method for realizing water body ecological system treatment - Google Patents
Implementation method for realizing water body ecological system treatment Download PDFInfo
- Publication number
- CN111115832A CN111115832A CN201911406166.2A CN201911406166A CN111115832A CN 111115832 A CN111115832 A CN 111115832A CN 201911406166 A CN201911406166 A CN 201911406166A CN 111115832 A CN111115832 A CN 111115832A
- Authority
- CN
- China
- Prior art keywords
- soil
- blanket
- waterproof
- layer
- tamping
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 71
- 238000010276 construction Methods 0.000 claims abstract description 30
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 16
- 239000000440 bentonite Substances 0.000 claims abstract description 16
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000009412 basement excavation Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 6
- 239000004746 geotextile Substances 0.000 claims description 3
- 229920006262 high density polyethylene film Polymers 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000002759 woven fabric Substances 0.000 claims description 2
- 239000012466 permeate Substances 0.000 abstract description 9
- 230000012010 growth Effects 0.000 abstract description 5
- 239000010802 sludge Substances 0.000 abstract description 3
- 230000009897 systematic effect Effects 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention belongs to the field of water environment treatment, and particularly discloses an implementation method for realizing water ecological systematic treatment, which comprises the steps of tamping a selected area, paving a breathable and impermeable bentonite waterproof blanket, filling soil on the surface of the bentonite waterproof blanket, paving a submerged plant ecological construction blanket again, and then backfilling soil, wherein the submerged plant ecological construction blanket is paved, the water quality in lake water is purified through the growth of submerged plants, the lake water permeates into the ecological construction blanket through the soil on the surface of the ecological construction blanket, the water permeating through the ecological construction blanket continuously permeates to the lower layer and permeates to the waterproof blanket through the filled soil on the lower layer, the waterproof effect is improved through the arranged waterproof blanket, the hidden water seepage danger is reduced, a soil tamping layer is arranged, the tamping treatment is carried out on the bottom of an excavated pit, and the use process in the later period is reduced as much as possible, the bottom of the excavated pit is infiltrated with a large amount of water, so that a large amount of sludge occurs at the bottom of the excavated pit and the bottom of the excavated pit is deformed.
Description
Technical Field
The invention relates to the field related to water body environment treatment, in particular to an implementation method for realizing water body ecological system treatment.
Background
In the prior art, most of artificial lakes, ponds and riverways are subjected to algae removal and sterilization by adopting medicaments to improve the water quality, and the medicaments or other water sources are adopted to improve the water quality conceivably to bring other influences.
The present invention provides a new technical solution to solve the above mentioned problems, and plant growth is adopted to improve water quality.
Disclosure of Invention
The invention aims to provide an implementation method for realizing water body ecological system treatment, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an implementation method for realizing water body ecological system treatment is characterized in that: the method comprises the following steps:
s1, selecting a proper open ground, carrying out excavation treatment on the appropriate open ground through an excavator, carrying out excavation according to the required excavation depth and carrying out over excavation for 0.5-0.8m, carrying out heavy hammer tamping treatment on the surface of the soil foundation after the over excavation, and reducing the surface of the soil foundation to be not less than 30-40cm after the tamping treatment;
s2, paving plain soil on the surface of the tamped soil foundation, wherein the plain soil cannot be doped with organic matters, stones or other impurities, tamping the plain soil by using a tamping machine or a road roller to form a plain soil tamped layer with a smooth surface, and the tamping coefficient of the plain soil tamped layer is larger than 85%;
s3, paving a breathable and impermeable bentonite waterproof blanket on the surface of the rammed vegetarian soil layer, paving along the inner wall of the dug pit, and paving the rammed vegetarian soil layer to ensure that adjacent waterproof blankets have overlapped parts and the overlapped parts of the adjacent waterproof blankets are fixed;
s4, filling soil on the surface of the waterproof blanket on the rammed layer of the plain soil, wherein the thickness of the filled soil is 300mm, and then tamping the filled soil through a tamping machine or a road roller, wherein the tamping coefficient of the tamped filled soil is 70-80%;
s5, paving a submerged plant ecological construction blanket on the surface of the tamped filling soil, backfilling the surface of the ecological construction blanket, wherein the thickness of the filling soil is 5mm, and then injecting lake water into the dug pit.
Preferably, in the step S2, the maximum particle size of the plain soil particles is not more than 7mm, the plain soil is tamped in layers, and the thickness of the plain soil laid on each layer is 250-300 mm.
Preferably, the air-permeable and impermeable bentonite waterproof blanket of step S3 should be inspected before being laid, and the waterproof blanket is tested for the occurrence of breakage on its outer surface and the waterproof effect is measured.
Preferably, the step S3 waterproof blanket includes a high density polyethylene film, a bentonite layer and a woven cloth layer.
Preferably, the waterproof blanket located above the inner wall of the excavated pit in the step S3 has its edge connected to the inner wall of the excavated pit by a fixing member.
Preferably, the width of the overlapped part of the adjacent waterproof blankets in the step S3 is not less than 10 cm.
Preferably, the submerged plant ecological construction blanket in step S5 includes a submerged plant seed layer, a bentonite layer, and a non-woven geotextile layer.
Preferably, the ecological construction carpet of submerged plants in step S5 is laid by splicing adjacent ecological construction carpets, and the ecological construction carpet at the edge is connected to the waterproof carpet through a connecting member.
Compared with the prior art, the invention has the beneficial effects that: through the laid ecological blanket of submerged plants, the corresponding submerged plant seed layer is arranged in the blanket, through the growth of the submerged plants, the water quality in the lake water is purified, the introduction of running water or the treatment of the water quality by medicaments is avoided, thereby causing other problems that the lake water permeates into the ecological construction blanket through the soil on the surface of the ecological construction blanket, the arranged bentonite layer absorbs the permeated water to provide sufficient moisture for the growth of the submerged plants, the moisture permeating the ecological construction blanket continuously permeates to the lower layer, the lower layer of filling soil permeates to the waterproof blanket, the waterproof effect is improved through the arranged waterproof blanket, the hidden danger of water seepage is reduced, the plain soil tamping layer is arranged and the bottom of the dug pit is tamped, the infiltration of a large amount of water into the bottom of the dug pit in the later use process is reduced as much as possible, so that a large amount of sludge appears at the bottom of the dug pit and the bottom of the dug pit is deformed.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: an implementation method for realizing water body ecological system treatment is characterized in that: the method comprises the following steps:
s1, selecting a proper open ground, carrying out excavation treatment on the appropriate open ground through an excavator, carrying out excavation according to the required excavation depth and carrying out over excavation for 0.5-0.8m, carrying out heavy hammer tamping treatment on the surface of the soil foundation after the over excavation, and reducing the surface of the soil foundation to be not less than 30-40cm after the tamping treatment;
s2, paving plain soil on the surface of the tamped soil foundation, wherein the plain soil cannot be doped with organic matters, stones or other impurities, tamping the plain soil by using a tamping machine or a road roller to form a plain soil tamped layer with a smooth surface, and the tamping coefficient of the plain soil tamped layer is larger than 85%;
s3, paving a breathable and impermeable bentonite waterproof blanket on the surface of the rammed vegetarian soil layer, paving along the inner wall of the dug pit, and paving the rammed vegetarian soil layer to ensure that adjacent waterproof blankets have overlapped parts and the overlapped parts of the adjacent waterproof blankets are fixed;
s4, filling soil on the surface of the waterproof blanket on the rammed layer of the plain soil, wherein the thickness of the filled soil is 300mm, and then tamping the filled soil through a tamping machine or a road roller, wherein the tamping coefficient of the tamped filled soil is 70-80%;
s5, paving a submerged plant ecological construction blanket on the surface of the tamped filling soil, backfilling the surface of the ecological construction blanket, wherein the thickness of the filling soil is 5mm, and then injecting lake water into the dug pit.
Further, in the step S2, the maximum particle size of the plain soil particles is not more than 7mm, the plain soil is tamped in layers, and the thickness of the plain soil paved on each layer is 250-300 mm.
Further, the air-permeable and impermeable bentonite waterproof blanket of step S3 should be inspected before being laid, and whether the waterproof blanket has a damaged outer surface or not is detected, and the waterproof effect is measured.
Further, the step S3 waterproof blanket includes a high density polyethylene film, a bentonite layer and a woven fabric layer.
Further, the waterproof blanket located above the inner wall of the excavated pit in step S3 has its edge connected to the inner wall of the excavated pit by the fixing member.
Further, the width of the overlapped part of the adjacent waterproof blankets in the step S3 is not less than 10 cm.
Further, the submerged plant ecological construction blanket in the step S5 includes a submerged plant seed layer, a bentonite layer, and a non-woven geotextile layer.
Further, when the submerged plant ecological construction carpet is laid in step S5, the adjacent ecological construction carpets are spliced to be laid, and the ecological construction carpet at the edge is connected to the waterproof carpet through the connecting member.
Through the laid ecological blanket of submerged plants, the corresponding submerged plant seed layer is arranged in the blanket, through the growth of the submerged plants, the water quality in the lake water is purified, the introduction of running water or the treatment of the water quality by medicaments is avoided, thereby causing other problems that the lake water permeates into the ecological construction blanket through the soil on the surface of the ecological construction blanket, the arranged bentonite layer absorbs the permeated water to provide sufficient moisture for the growth of the submerged plants, the moisture permeating the ecological construction blanket continuously permeates to the lower layer, the lower layer of filling soil permeates to the waterproof blanket, the waterproof effect is improved through the arranged waterproof blanket, the hidden danger of water seepage is reduced, the plain soil tamping layer is arranged and the bottom of the dug pit is tamped, the infiltration of a large amount of water into the bottom of the dug pit in the later use process is reduced as much as possible, so that a large amount of sludge appears at the bottom of the dug pit and the bottom of the dug pit is deformed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An implementation method for realizing water body ecological system treatment is characterized in that: the method comprises the following steps:
s1, selecting a proper open ground, carrying out excavation treatment on the appropriate open ground through an excavator, carrying out excavation according to the required excavation depth and carrying out over excavation for 0.5-0.8m, carrying out heavy hammer tamping treatment on the surface of the soil foundation after the over excavation, and reducing the surface of the soil foundation to be not less than 30-40cm after the tamping treatment;
s2, paving plain soil on the surface of the tamped soil foundation, wherein the plain soil cannot be doped with organic matters, stones or other impurities, tamping the plain soil by using a tamping machine or a road roller to form a plain soil tamped layer with a smooth surface, and the tamping coefficient of the plain soil tamped layer is larger than 85%;
s3, paving a breathable and impermeable bentonite waterproof blanket on the surface of the rammed vegetarian soil layer, paving along the inner wall of the dug pit, and paving the rammed vegetarian soil layer to ensure that adjacent waterproof blankets have overlapped parts and the overlapped parts of the adjacent waterproof blankets are fixed;
s4, filling soil on the surface of the waterproof blanket on the rammed layer of the plain soil, wherein the thickness of the filled soil is 300mm, and then tamping the filled soil through a tamping machine or a road roller, wherein the tamping coefficient of the tamped filled soil is 70-80%;
s5, paving a submerged plant ecological construction blanket on the surface of the tamped filling soil, backfilling the surface of the ecological construction blanket, wherein the thickness of the filling soil is 5mm, and then injecting lake water into the dug pit.
2. The implementation method for realizing water body ecological system treatment according to claim 1, characterized in that: in the step S2, the maximum particle size of the plain soil particles is not more than 7mm, the plain soil is tamped in layers, and the thickness of the plain soil paved on each layer is 250-300 mm.
3. The implementation method for realizing water body ecological system treatment according to claim 1, characterized in that: step S3, the air-permeable and impermeable waterproof bentonite blanket should be inspected before being laid, and whether the outer surface of the waterproof blanket is damaged or not is detected, and the waterproof effect is measured.
4. The implementation method for realizing water body ecological system treatment according to claim 1, characterized in that: the step S3 waterproof blanket includes a high density polyethylene film, a bentonite layer and a woven fabric layer.
5. The implementation method for realizing water body ecological system treatment according to claim 1, characterized in that: the waterproof blanket located above the inner wall of the dug pit in the step S3 has its edge connected to the inner wall of the dug pit by a fixing member.
6. The implementation method for realizing water body ecological system treatment according to claim 1, characterized in that: the width of the overlapped part of the adjacent waterproof blankets in the step S3 is not less than 10 cm.
7. The implementation method for realizing water body ecological system treatment according to claim 1, characterized in that: the submerged plant ecological construction blanket in the step S5 includes a submerged plant seed layer, a bentonite layer, and a non-woven geotextile layer.
8. The implementation method for realizing water body ecological system treatment according to claim 1, characterized in that: when the submerged plant ecological construction carpet is laid in step S5, the adjacent ecological construction carpets are spliced to lay the submerged plant ecological construction carpet, and the ecological construction carpet at the edge is connected to the waterproof carpet through the connecting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406166.2A CN111115832A (en) | 2019-12-31 | 2019-12-31 | Implementation method for realizing water body ecological system treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406166.2A CN111115832A (en) | 2019-12-31 | 2019-12-31 | Implementation method for realizing water body ecological system treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111115832A true CN111115832A (en) | 2020-05-08 |
Family
ID=70506071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911406166.2A Pending CN111115832A (en) | 2019-12-31 | 2019-12-31 | Implementation method for realizing water body ecological system treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111115832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064569A (en) * | 2020-09-04 | 2020-12-11 | 野趣生境环境设计（成都）研究院（有限合伙） | Method for constructing pond suitable for frog inhabitation in green land |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050082222A1 (en) * | 2003-10-20 | 2005-04-21 | Dharma Living Systems, Lc | Tidal vertical flow wastewater treatment system and method |
| CN102491523A (en) * | 2011-11-25 | 2012-06-13 | 北京师范大学 | Ecological composite material for restoring heavy metal pollution in water body |
| CN203795367U (en) * | 2014-03-04 | 2014-08-27 | 上海市园林设计院有限公司 | Foundation structure for artificial ecological lake in northwest region |
| CN206302808U (en) * | 2016-12-01 | 2017-07-07 | 黄鑫 | A kind of submerged plant planting bed |
| CN108914919A (en) * | 2018-09-12 | 2018-11-30 | 平凉华晨非金属应用科技有限公司 | The preparation method of combined type bentonite tailing desert storage water absorber |
| CN109252549A (en) * | 2018-09-18 | 2019-01-22 | 上海园林绿化建设有限公司 | A kind of bentonite waterproof blanket and its construction method for man-made lake wetland |
| CN109680697A (en) * | 2019-02-26 | 2019-04-26 | 洛阳智昊工程科技有限公司 | Slope protection ecologic blanket for sandstone factory ecological recovery |
-
2019
- 2019-12-31 CN CN201911406166.2A patent/CN111115832A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050082222A1 (en) * | 2003-10-20 | 2005-04-21 | Dharma Living Systems, Lc | Tidal vertical flow wastewater treatment system and method |
| CN102491523A (en) * | 2011-11-25 | 2012-06-13 | 北京师范大学 | Ecological composite material for restoring heavy metal pollution in water body |
| CN203795367U (en) * | 2014-03-04 | 2014-08-27 | 上海市园林设计院有限公司 | Foundation structure for artificial ecological lake in northwest region |
| CN206302808U (en) * | 2016-12-01 | 2017-07-07 | 黄鑫 | A kind of submerged plant planting bed |
| CN108914919A (en) * | 2018-09-12 | 2018-11-30 | 平凉华晨非金属应用科技有限公司 | The preparation method of combined type bentonite tailing desert storage water absorber |
| CN109252549A (en) * | 2018-09-18 | 2019-01-22 | 上海园林绿化建设有限公司 | A kind of bentonite waterproof blanket and its construction method for man-made lake wetland |
| CN109680697A (en) * | 2019-02-26 | 2019-04-26 | 洛阳智昊工程科技有限公司 | Slope protection ecologic blanket for sandstone factory ecological recovery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064569A (en) * | 2020-09-04 | 2020-12-11 | 野趣生境环境设计（成都）研究院（有限合伙） | Method for constructing pond suitable for frog inhabitation in green land |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104692532B (en) | A kind of high ground-water level coal field ponding secondary wetland Scene construction method | |
| CN102870523B (en) | Terrain processing method for improving seashore solonchak | |
| CN210421010U (en) | Farmland ecological ditch for reducing leakage, strengthening and purifying | |
| CN101507405B (en) | Method for recovering Tamarix chinensis self-maintenance capability by manpower on arid desert | |
| CN104412751A (en) | Improvement method for viscous seashore saline soil of saline-alkali wasteland | |
| CN105442491B (en) | A kind of riverbed sludge treatment in situ and ecological bank protecting method | |
| CN112272984A (en) | Coastal zone micro-ecological environment restoration system and construction method thereof | |
| CN102383408B (en) | Greening method for high water level impermeable saline and alkaline lands and greening system | |
| CN104234007B (en) | A kind of river saline-alkali soil levee slope greening method | |
| CN108457241B (en) | Ecological waterproof permeability-reducing method for artificial lake of saline-alkali soil | |
| CN109354313B (en) | Method for constructing near-natural complex water bank ecological zone by combining sludge/waste residues | |
| CN104912126B (en) | Polluted-soil restoration system applicable to soft-soil foundation and restoration method | |
| CN111115832A (en) | Implementation method for realizing water body ecological system treatment | |
| CN108729409B (en) | River course prevention of seepage holds ecological recovery unit again | |
| CN106801402A (en) | A kind of construction method for the antiseepage of landscape artificial lake | |
| CN109429605A (en) | A kind of salt-soda soil and desertification administering method | |
| KR101367848B1 (en) | System for accelerating salt removal by artificial water supply and method for accelerating salt using the same | |
| CN105926645B (en) | A kind of ecological restoring method of Waste Landfill Site | |
| CN111851394A (en) | Ecological recovery system of surface water | |
| CN218667574U (en) | High excavation side slope supporting construction of inflation soil that waterproof drainage combined together | |
| CN214014948U (en) | Structure for treating soil salinization of coastal region by utilizing engineering muck | |
| CN210579944U (en) | Saline and alkaline land soil drainage salt-washing system | |
| CN108283031A (en) | A kind of marine solonchak seepage pipe Salt discharge method | |
| CN109396177B (en) | Ecological restoration structure of petroleum hydrocarbon-heavy metal composite pollution sludge, construction method thereof and restoration method thereof | |
| CN114946308A (en) | Saline-alkali soil desalting method |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |
|
| RJ01 | Rejection of invention patent application after publication |