CN109231778A - A kind of device of Treatment of Sludge - Google Patents
A kind of device of Treatment of Sludge Download PDFInfo
- Publication number
- CN109231778A CN109231778A CN201810998472.9A CN201810998472A CN109231778A CN 109231778 A CN109231778 A CN 109231778A CN 201810998472 A CN201810998472 A CN 201810998472A CN 109231778 A CN109231778 A CN 109231778A
- Authority
- CN
- China
- Prior art keywords
- storehouse
- granulation
- mixing chamber
- filtering means
- means dehydration
- 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
- 239000010802 sludge Substances 0.000 title claims abstract description 37
- 238000005469 granulation Methods 0.000 claims abstract description 58
- 230000003179 granulation Effects 0.000 claims abstract description 58
- 238000002156 mixing Methods 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 230000018044 dehydration Effects 0.000 claims abstract description 35
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 35
- 239000010865 sewage Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000005273 aeration Methods 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 230000001877 deodorizing effect Effects 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003337 fertilizer Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000008635 plant growth Effects 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of devices of Treatment of Sludge, including filtering means dehydration storehouse, mixing chamber and granulation storehouse；The filtering means dehydration storehouse side is equipped with sewage inlet pipe and sewage comb；Inclined filter plate is equipped in the filtering means dehydration storehouse；The filtering means dehydration storehouse other side is equipped with mud mouth, and the mixing chamber side is equipped with mud inlet, and mud inlet is connected to the mud mouth on filtering means dehydration storehouse；Stirring motor is equipped at the top of the mixing chamber；The mixing chamber is embedded in granulation the top of the warehouse；The shaft passes through gravel filter and extends to granulation storehouse；The shaft is equipped with agitating paddle and granulation roller；The granulation roller is set in granulation storehouse；Heating device is equipped in the granulation storehouse；The heating device is resistance heating tube；The heating device is set to granulation storehouse inner wall two sides.The configuration of the present invention is simple, filtering means dehydration high treating effect make sludge be converted into the fertilizer that can be used, remarkable in economical benefits, and ecological environment is greatly improved.
Description
Technical field
The present invention relates to the Treatment of Sludge scope of environment protection field, especially a kind of device of Treatment of Sludge.
Background technique
With the development of society, sewage treatment plant will discharge a large amount of excess sludge, if the sludge of enormous amount must not
To suitable processing and just direct emission is disposed, serious secondary pollution will be caused.On the other hand, sludge is a kind of money again
Source can be used as good organic fertilizer after treatment.
Existing device fabrication is costly, and the sludge moisture content after processing is high, and granulating efficiency is poor.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes that a kind of manufacturing cost is low, the dress of dehydration and the good Treatment of Sludge of granulating efficiency
It sets.
To achieve the goals above, technical scheme is as follows: a kind of device of Treatment of Sludge, including filtering means dehydration
Storehouse, mixing chamber and granulation storehouse；The filtering means dehydration storehouse side is equipped with sewage inlet pipe and sewage comb；The filtering means dehydration storehouse
It is interior to be equipped with inclined filter plate；The filtering means dehydration storehouse other side is equipped with mud mouth, and mud mouth is located at filter plate lower end；
The mixing chamber side is equipped with mud inlet, and mud inlet is connected to the mud mouth on filtering means dehydration storehouse；At the top of the mixing chamber
Equipped with stirring motor；The stirring motor connects shaft；The mixing chamber bottom is equipped with gravel filter；The stirring
Orlop portion is that taper is open；The mixing chamber is embedded in granulation the top of the warehouse；The shaft passes through gravel filter and extends to system
Grain storehouse；The shaft is equipped with agitating paddle and granulation roller；The agitating paddle is set in mixing chamber；The granulation roller is set to
It pelletizes in storehouse；Grain export is equipped on the outside of the granulation storehouse；Heating device is equipped in the granulation storehouse；The heating device
For resistance heating tube；The heating device is set to granulation storehouse inner wall two sides.
The present invention advanced optimizes, and biological deodorizing equipment and feeding device are equipped at the top of the mixing chamber；The biology
Deodoriser is connected to filtering means dehydration storehouse and mixing chamber respectively by tee tube；The feeding device is by tee tube respectively at stirring
Storehouse is mixed to be connected to granulation storehouse.By the above-mentioned means, biological deodorizing equipment mainly removes the stink in filtering means dehydration storehouse and mixing chamber, subtract
The stink of few sludge granulation, can place a variety of feeds in feeding device and be stirred by mixing chamber with sludge and mix and making
Grain futher stirs mixing in storehouse, obtains the mud granule for being conducive to plant growth.
The present invention advanced optimizes, and the granulation the top of the warehouse is also connected with exposure oxygen pump；The exposure oxygen pump passes through aeration
Pipe is connected to the bottom in filtering means dehydration storehouse；The aeration pipe end is equipped with aeration sand head.By the above-mentioned means, in contraminated zone
Oxygen is provided, anaerobic bacteria is can avoid and breeds, foul smell is further eliminated and generates.
The present invention advanced optimizes, and the agitating paddle includes connecting plate；At least three are had on the connecting plate
Pointed tooth template.By the above-mentioned means, the pointed tooth template on connecting plate makes sludge agitation root uniform, mixing effect is good.
The present invention advanced optimizes, and the section of the granulation roller is pentagonal；It is inclined surface at the top of the granulation roller.
By the above-mentioned means, granulation roller is simple to manufacture, at low cost, granulating efficiency is good.
The present invention advanced optimizes, and sponge and aluminium sheet are equipped on the outside of the stirring motor.By the above-mentioned means, effective
Eliminate the noise of stirring motor.
The present invention advanced optimizes, and sprays antirust paint on the granulation roller and agitating paddle.By the above-mentioned means, avoiding making
Grain roller and agitating paddle get rusty.
The working principle of the invention: sewage enters in filtering means dehydration storehouse from sewage inlet pipe；It is carried out by inclined filter plate
Dewatering and filtering, sewage drop to the bottom in filtering means dehydration storehouse from filter plate, and sewage is discharged from sewage comb, and sludge passes through inclined
Filter plate is drained to mud mouth, and sludge enters in mixing chamber from mud inlet to be stirred, and the sludge stirred evenly is from sandstone mistake
Filter, which enters in granulation storehouse, pelletizes, and heating device carries out sludge drying to sludge, is conducive to pelletizing forming, the sludge of granulation
Go out from grain export, complete granulation, granulating efficiency is good.
The present invention has the advantage that and has the beneficial effect that:
1. the configuration of the present invention is simple, easy to operate, filtering means dehydration high treating effect, practical, sludge mixes conversion with fertilizer
Low height, it is pollution-free, so that sludge is converted into the fertilizer that can be used, remarkable in economical benefits, ecological environment is greatly improved.
2. practicability New type agitation storehouse shares the effect that a motor realizes stirring and granulation embedded in granulation the top of the warehouse,
Equipment is integrally small, and land occupation is few, facilitates the reallocation of land, improves land utilization ratio.
3. the main foul smell eliminated in filtering means dehydration storehouse and mixing chamber of biological deodorizing equipment of the present invention, the oxygen of aeration pump conveying
In gas to filtering means dehydration storehouse, anaerobic bacteria is further prevented to breed, prevents foul smell from generating.
4. granulating efficiency of the present invention is good, it is easy to promote in the same industry.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Serial number and corresponding title in figure:
1- filtering means dehydration storehouse, 2- biological deodorizing equipment, 3- mixing chamber, 4- stirring motor, 5- feeding device, 6- shaft, 7- agitating paddle,
8- granulation storehouse, 9- heating device, 10- granulation roller, 11- gravel filter, 12- exposure oxygen pump, 13- aeration tube, 14- sewage comb,
15- aeration sand head, 16- sewage inlet pipe, 17- filter plate.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Embodiment 1:
As shown in Figure 1, a kind of device of Treatment of Sludge, including filtering means dehydration storehouse 1, mixing chamber 3 and granulation storehouse 8；The filtering
1 side of drainage bin is equipped with sewage inlet pipe 16 and sewage comb 14；Inclined filter plate 17 is equipped in the filtering means dehydration storehouse 1；
1 other side of filtering means dehydration storehouse is equipped with mud mouth, and mud mouth is located at 17 lower end of filter plate；The mixing chamber 3 one
Side is equipped with mud inlet, and mud inlet is connected to the mud mouth on filtering means dehydration storehouse 1；Stirring motor is equipped at the top of the mixing chamber 3
4；The stirring motor 4 connects shaft 6；3 bottom of mixing chamber is equipped with gravel filter 11；3 bottom of mixing chamber
Portion is that taper is open；The mixing chamber 3 is embedded in 8 top of granulation storehouse；The shaft 6 passes through gravel filter 11 and extends to system
Grain storehouse 8；The shaft 6 is equipped with agitating paddle 7 and granulation roller 10；The agitating paddle 7 is set in mixing chamber 3；The system
Grain roller 10 is set in granulation storehouse 8；Grain export is equipped on the outside of the granulation storehouse 8；Heating device 9 is equipped in the granulation storehouse 8；
The heating device 9 is resistance heating tube；The heating device 9 is set to granulation 8 inner wall two sides of storehouse.
Biological deodorizing equipment 2 and feeding device 5 are equipped at the top of the mixing chamber 3；The biological deodorizing equipment 2 passes through threeway
Pipe is connected to filtering means dehydration storehouse 1 and mixing chamber 3 respectively；The feeding device 5 is by tee tube respectively at mixing chamber 3 and granulation
Storehouse 8 is connected to.
It is also connected at the top of the granulation storehouse 8 and exposes oxygen pump 12；The exposure oxygen pump 12 was connected to by aeration tube 13
Filter the bottom of drainage bin 1；13 end of aeration tube is equipped with aeration sand head 15.
The agitating paddle 7 includes connecting plate；Three pointed tooth templates are had on the connecting plate.
The section of the granulation roller 10 is pentagonal；It is inclined surface at the top of the granulation roller 10.
Sponge and aluminium sheet are equipped on the outside of the stirring motor 4.
Antirust paint is sprayed on the granulation roller 10 and agitating paddle 7.
The working principle of the invention: sewage enters in filtering means dehydration storehouse 1 from sewage inlet pipe 16；Pass through inclined filter plate 17
Carry out dewatering and filtering, sewage from filter plate 17 drip filtering means dehydration storehouse 1 bottom, sewage from sewage comb 14 be discharged, sludge from
Inclined filter plate 17 is drained to mud mouth, and sludge enters in mixing chamber 3 sludge for being stirred, stirring evenly from mud inlet
Enter in granulation storehouse 8 from gravel filter 11 and pelletize, heating device 9 carries out sludge drying to sludge, is conducive to be granulation into
The sludge of type, granulation goes out from grain export, completes granulation, and granulating efficiency is good.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (7)
1. a kind of device of Treatment of Sludge, which is characterized in that including filtering means dehydration storehouse (1), mixing chamber (3) and granulation storehouse (8)；Institute
Filtering means dehydration storehouse (1) side stated is equipped with sewage inlet pipe (16) and sewage comb (14)；It is equipped in the filtering means dehydration storehouse (1)
Inclined filter plate (17)；Filtering means dehydration storehouse (1) other side is equipped with mud mouth, and it is lower that mud mouth is located at filter plate (17)
At end；Mixing chamber (3) side is equipped with mud inlet, and mud inlet is connected to the mud mouth on filtering means dehydration storehouse (1)；Described
Stirring motor (4) are equipped at the top of mixing chamber (3)；The stirring motor (4) connects shaft (6)；Described mixing chamber (3) bottom
Equipped with gravel filter (11)；Mixing chamber (3) bottom is that taper is open；The mixing chamber (3) is embedded in granulation storehouse (8)
Top；The shaft (6) passes through gravel filter (11) and extends to granulation storehouse (8)；The shaft (6) is equipped with agitating paddle
(7) and roller (10) are pelletized；The agitating paddle (7) is set in mixing chamber (3)；The granulation roller (10) is set to granulation storehouse (8)
It is interior；Grain export is equipped on the outside of the granulation storehouse (8)；Heating device (9) are equipped in the granulation storehouse (8)；The heating
Device (9) is resistance heating tube；The heating device (9) is set to granulation storehouse (8) inner wall two sides.
2. a kind of device of Treatment of Sludge according to claim 1, which is characterized in that set at the top of the mixing chamber (3)
There are biological deodorizing equipment (2) and feeding device (5)；The biological deodorizing equipment (2) by tee tube respectively with filtering means dehydration storehouse (1)
It is connected to mixing chamber (3)；The feeding device (5) is connected to respectively at mixing chamber (3) with granulation storehouse (8) by tee tube.
3. a kind of device of Treatment of Sludge according to claim 1, which is characterized in that at the top of the granulation storehouse (8) also
It is connected with and exposes oxygen pump (12)；The exposure oxygen pump (12) is connected to the bottom of filtering means dehydration storehouse (1) by aeration tube (13)；It is described
Aeration tube (13) end be equipped with aeration sand head (15).
4. a kind of device of Treatment of Sludge according to claim 1, which is characterized in that the agitating paddle (7) includes connecting
Fishplate bar；At least three pointed tooth templates are had on the connecting plate.
5. a kind of device of Treatment of Sludge according to claim 1, which is characterized in that the section of the granulation roller (10)
For pentagonal；It is inclined surface at the top of the granulation roller (10).
6. a kind of device of Treatment of Sludge according to claim 1, which is characterized in that on the outside of the stirring motor (4)
Equipped with sponge and aluminium sheet.
7. a kind of device of Treatment of Sludge according to claim 1, which is characterized in that the granulation roller (10) and stirring
Paddle sprays antirust paint on (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998472.9A CN109231778A (en) | 2018-08-29 | 2018-08-29 | A kind of device of Treatment of Sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998472.9A CN109231778A (en) | 2018-08-29 | 2018-08-29 | A kind of device of Treatment of Sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109231778A true CN109231778A (en) | 2019-01-18 |
Family
ID=65069651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810998472.9A Pending CN109231778A (en) | 2018-08-29 | 2018-08-29 | A kind of device of Treatment of Sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109231778A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849078A (en) * | 2019-12-17 | 2020-02-28 | 黔西南正胤活性炭科技有限公司 | Activated carbon centrifugal dehydration equipment |
| CN116282808A (en) * | 2023-05-24 | 2023-06-23 | 江苏亿洲再生资源科技有限公司 | Sludge uniform drying treatment equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205275431U (en) * | 2015-12-31 | 2016-06-01 | 天津雨昌环保工程有限公司 | Dual sludge dewatering environmental protection equipment |
| CN205635338U (en) * | 2016-05-31 | 2016-10-12 | 新疆海通开源环境管理有限公司 | Storage and stirring integral type sludge treatment pond |
| CN205815626U (en) * | 2016-05-26 | 2016-12-21 | 连江巧通工业设计有限公司 | One rolls type mixer-granulator |
| CN209193774U (en) * | 2018-08-29 | 2019-08-02 | 玉林市凯政环保科技有限公司 | A kind of device of Treatment of Sludge |
-
2018
- 2018-08-29 CN CN201810998472.9A patent/CN109231778A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205275431U (en) * | 2015-12-31 | 2016-06-01 | 天津雨昌环保工程有限公司 | Dual sludge dewatering environmental protection equipment |
| CN205815626U (en) * | 2016-05-26 | 2016-12-21 | 连江巧通工业设计有限公司 | One rolls type mixer-granulator |
| CN205635338U (en) * | 2016-05-31 | 2016-10-12 | 新疆海通开源环境管理有限公司 | Storage and stirring integral type sludge treatment pond |
| CN209193774U (en) * | 2018-08-29 | 2019-08-02 | 玉林市凯政环保科技有限公司 | A kind of device of Treatment of Sludge |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849078A (en) * | 2019-12-17 | 2020-02-28 | 黔西南正胤活性炭科技有限公司 | Activated carbon centrifugal dehydration equipment |
| CN116282808A (en) * | 2023-05-24 | 2023-06-23 | 江苏亿洲再生资源科技有限公司 | Sludge uniform drying treatment equipment |
| CN116282808B (en) * | 2023-05-24 | 2023-10-20 | 江苏亿洲再生资源科技有限公司 | Sludge uniform drying treatment equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103121882B (en) | Biomass straw charcoal based organic fertilizer and production method thereof | |
| CN102557368A (en) | High-temperature aerobic composting treatment process for municipal sludge | |
| CN207047067U (en) | A kind of livestock breeding wastewater processing system | |
| CN106867544A (en) | A kind of soil conditioner prepared with mud and preparation method thereof | |
| CN104774055B (en) | A kind of organic waste ecological circulation utilizes system | |
| CN101503269A (en) | Plug flow type bioleaching process and apparatus for sludge treatment | |
| DE10153806A1 (en) | Treatment of liquid manure and poultry feces, yielding purified water and dry pellets useful as fuel or fertilizer, comprises flocculation, dewatering, pelletizing, drying and chemical-biological treatment of liquor after sedimentation | |
| CN104478511A (en) | Efficient device and treatment method for compostingurbandomestic sludge | |
| CN109231778A (en) | A kind of device of Treatment of Sludge | |
| CN102976809B (en) | Planetary type full-automatic sludge aerobic fermentation device and system | |
| CN102093137A (en) | Method and system for treating residual sludge by solar energy thermal radiation oxygen-enriched fermentation | |
| CN206783512U (en) | A kind of compound quenched deep dehydration of sludge, desiccation, carbonization treatment disposal system | |
| CN209193774U (en) | A kind of device of Treatment of Sludge | |
| CN114307958A (en) | Process method and equipment for preparing activated sludge-based granular biochar based on one-step method | |
| CN104787999A (en) | Device and method for treating intensive pig farm feces | |
| CN216039325U (en) | Livestock and poultry manure resource utilization complete system | |
| CN110183031A (en) | A kind of high concentration livestock breeding wastewater and excrement slag coprocessing system and processing method | |
| CN215403750U (en) | Pig farm filth resource utilization apparatus for producing | |
| CN107382025A (en) | A kind of Pig farm wastewater processing filler, polynary coupling technique and system | |
| CN210796265U (en) | High-efficient fertilizer apparatus for producing of municipal sludge | |
| CN209696827U (en) | A kind of mixed precipitation mud is mixed auxiliary material uniform adding apparatus | |
| CN204058166U (en) | A kind of Sewage treatment systems | |
| CN206428123U (en) | A kind of breeding wastewater recycling treatment system | |
| CN206783470U (en) | The agriculture up to standard of food production processing industry waste water, sanitary sewage fills recycling treatment system | |
| CN111548207A (en) | Production equipment and production process for preparing compound microbial fertilizer by utilizing livestock-raising sludge |
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: 20190118 |
|
| RJ01 | Rejection of invention patent application after publication |