CN206089485U - Fermented tunnel of bio fertilizer - Google Patents
Fermented tunnel of bio fertilizer Download PDFInfo
- Publication number
- CN206089485U CN206089485U CN201620901540.1U CN201620901540U CN206089485U CN 206089485 U CN206089485 U CN 206089485U CN 201620901540 U CN201620901540 U CN 201620901540U CN 206089485 U CN206089485 U CN 206089485U
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- China
- Prior art keywords
- fermentation
- pipe
- branch
- tunnel
- fermentation tunnel
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- 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.)
- Expired - Fee Related
Links
- 239000003337 fertilizer Substances 0.000 title abstract description 7
- 238000000855 fermentation Methods 0.000 claims abstract description 84
- 230000004151 fermentation Effects 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000003895 organic fertilizer Substances 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000000813 microbial effect Effects 0.000 abstract description 2
- 230000003203 everyday effect Effects 0.000 abstract 1
- 238000012806 monitoring device Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000007306 turnover Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 7
- 244000005700 microbiome Species 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000010902 straw Substances 0.000 description 4
- 210000004243 sweat Anatomy 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 210000003608 fece Anatomy 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000007269 microbial metabolism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Fertilizers (AREA)
Abstract
The utility model relates to a fermentation technology field, concretely relates to fermented tunnel of bio fertilizer. Fermentation tunnel ground inboard is equipped with many branch's tuber pipes, is equipped with a plurality of air cocks that extend to the ground face on every branch's tuber pipe, be equipped with the recess corresponding with the air cock on the floor, all branches tuber pipe one end even has main tuber pipe, and the other end links there is the blow off pipe, even there is the fan on the main tuber pipe, during the blow off pipe stretches into the outer blowdown pond in fermentation tunnel, and export and be located below the liquid level, still be equipped with the temperature monitoring device in the fermentation tunnel. The utility model discloses a to initiative air supply in the fermented tunnel to according to material pile temperature automatically regulated air supply frequency, microbial fermentation is satisfied and to the demand of oxygen, material pile inside anaerobism condition when the fermentation can be avoided, need not utilize the machine of throwing that turns over to turn over the heap every day, realize that the material fermentation is even, shorten the fermentation time, and management party is just, the operation cost is low.
Description
Technical field
This utility model is related to fermentation technical field, and in particular to a kind of fermentation tunnel for producing biological organic fertilizer.
Background technology
Biological organic fertilizer refer to microorganisms with specific functions with mainly with plant and animal residues (such as feces of livestock and poultry, agricultural crop straw
Deng) it is that the class that Jing harmless treatments, the organic materials that becomes thoroughly decomposed be composited of originating has microbial manure and fertilizer effect concurrently
Fertilizer.Biological organic fertilizer have nutrient it is complete, can improved soil, improve product quality, improve the micro- life of crop rhizosphere
The features such as thing group, the resistant to diseases and insects for improving plant, the utilization for promoting chemical fertilizer, raising chemical fertilizer utilization ratio, is increasingly by people's
Pay attention to.
Bacteria residue and straw are all the conventional raw materials for producing biological organic fertilizer, but the crude fibre ratio contained due to which
Greatly, individually the fermentation time-division solves difficult, and fermentation time is long, it usually needs the raw material mixed fermentation decomposed with the easy fermentation such as feces of livestock and poultry
Improving fermentation efficiency, shortening fermentation time and increasing tunning nutrient content, thus, increased production cost and production work
Skill step, is unfavorable for that bacteria residue and straw are used for biofermentation on a large scale produces biological organic fertilizer.
At present, the country also has the Technology of direct fermentation production biological organic fertilizer after straw and bacteria residue mixing, but by
High-temperature aerobic antibacterial mostly is in the microorganism of energy fast decoupled crude fibre and lignin, thus oxygen consumption is huge in sweat.
The oxygen needed for microbial metabolism in meeting sweat, carries out stirring raw material using turner in existing fermentation technology daily
Method guaranteeing enough supplies of oxygen, but when stirring to raw material, can also produce following problem：
1st, the process for stirring raw material can cause the decline of fermentation temperature, and crude fibre and the microorganism needed for lignin fermentation
Mostly thermophilic bacteria, temperature reduction, can reduce the activity of thermophilic bacteria and high temperature microbe quantity is caused damage, so as to significantly
Extend fermentation time；
2nd, turner frequently runs can increase fermenting and producing cost, and complicate fermentation technology, and fermentation processes are stranded
Difficulty, the quality stability of biological organic fertilizer are poor；
3rd, easily there is raw material and stir not in place, local raw material does not have oxygen, so as to cause fermentation uneven, affect organic
The quality of fertilizer.
Utility model content
The present utility model purpose is：For, in existing compost fermentation mode, being turned over using turner daily
The process of heap can cause fermentation time length, production cost high and uneven problem of fermenting, there is provided a kind of production biological organic fertilizer
Fermentation tunnel, material need not carry out turning using turner in composting fermentation process in the fermentation tunnel daily, while
Demand of the fermentable to oxygen can be met, so as to realize that material fermentation is uniform, shorten fermentation time, and convenient management,
Operation cost is low.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of fermentation tunnel for producing biological organic fertilizer, is provided with Duo Gen branches airduct, per root in the fermentation tunnel floor
Branch's airduct is provided with to floor the multiple valves for extending, and the floor is provided with the groove corresponding with valve, all of
Branch's airduct one end is connected with air main, and the other end is connected with blow-off pipe, and blower fan is connected with the air main, and the blow-off pipe extend into
In pollution discharge pond outside fermentation tunnel, and export below liquid level, in the fermentation tunnel, be additionally provided with device for detecting temperature.
By Duo Gen branches airduct is arranged in fermentation tunnel, all branch's airducts are connected with blower fan by air main,
Multiple valves are provided with branch's airduct, using wind pushing form from bottom to top, and the size of valve air output can be by blowdown
Pipe exports the height away from pollution discharge pond liquid level and is adjusted, while automatically adjusting air-supply frequency according to the temperature regime of stockpile, meets
Demand of the microorganism to oxygen, can avoid stockpile in fermentation inside anaerobic conditions, so as to solve during traditional zymotic profit
The process for carrying out turning with turner daily can produce the problem for affecting to fermentable, realize that material fermentation is uniform, shorten
Fermentation time, and convenient management, operation cost are low.
Used as preferred version of the present utility model, described fermentation tunnel one end is provided with movable heat-preservation door, and the other end is provided with
Control room, the movable heat-preservation door is near pollution discharge pond.By arrange movable heat-preservation door, can heat-insulation and heat-preservation make sweat
The heat of middle generation is not easy to lose, can conveniently feed again and discharge, and facilitates operator in fermentation tunnel by arranging control room
Situation supervised.
Used as preferred version of the present utility model, the blower fan is located at control interior, and fresh air channel is connected with blower fan, described
It is outdoor that fresh air channel extends to control.
Used as preferred version of the present utility model, the blower fan is connected to the middle part of air main, and wind is from the middle part of air main
Into after, flow to two ends along air main.Wind can be made to compare into after air main using such design to be uniformly distributed to
Each branch's airduct, and then it flow to stockpile everywhere, so that material fermentation is consistent.
As preferred version of the present utility model, using hose connection between the blower fan and air main.As blower fan exists
Start and vibrate larger when stopping, by being connected with air main using flexible pipe, can so reduce vibration and be transferred on air main,
Also make both that connection is installed simultaneously to be more prone to.
Used as preferred version of the present utility model, the valve is tapered.Valve is arranged into tapered, valve can be prevented
Occurs blocking in use, while liquid unnecessary during fermentation can be flowed into by valve being excluded in branch's airduct.
Used as preferred version of the present utility model, all branch's airducts are parallel to each other and relative level is inclined at and sends out
In the floor in ferment tunnel, one end of its connection air main is higher than the one end for connecting blow-off pipe, the angle of inclination of branch's airduct
For 5 °～10 °.When can make fermentation using such design, the unnecessary liquid of stockpile automatic stream after branch's airduct is flowed into is arranged
Dirty pipe, and then flow in pollution discharge pond.
Used as preferred version of the present utility model, the quantity of branch's airduct is 10-15 roots.
As preferred version of the present utility model, in the pollution discharge pond, sewage draining exit is provided with, the sewage draining exit goes out apart from blow-off pipe
The vertical dimension of mouth is 0.8-1.2m.Make to form difference in height between blow-off pipe outlet and pollution discharge pond liquid level by such design,
The adjustment to air pressure in branch's airduct can so be realized.
Used as preferred version of the present utility model, the device for detecting temperature includes the temperature sensor being arranged in stockpile
And the control device being connected with this temperature sensor.Stockpile fermentation temperature is gathered by the temperature sensor that is arranged in stockpile
Data, so as to feed back the temperature information in stockpile to control device in real time, according to Temperature Feedback as blower fan start and stop reality
The foundation for now switching.
In sum, as a result of above-mentioned technical proposal, the beneficial effects of the utility model are：
1st, by Duo Gen branches airduct is arranged in fermentation tunnel, all branch's airducts are connected with blower fan by air main
Connect, be provided with multiple valves on branch's airduct, using wind pushing form from bottom to top, and the size of valve air output can be by arranging
Height of the dirty pipe outlet away from pollution discharge pond liquid level is adjusted, while air-supply frequency is automatically adjusted according to the temperature regime of stockpile, it is full
Demand of the sufficient microorganism to oxygen, can avoid stockpile fermentation when inside anaerobic conditions, so as to solve during traditional zymotic
The process that turning is carried out daily using turner can produce the problem for affecting to fermentable, realize that material fermentation is uniform, contracting
Short fermentation time, and convenient management, operation cost are low；
2nd, by branch's airduct is inclined in the floor of fermentation tunnel, stockpile unnecessary liquid when can make fermentation
The automatic stream blow-off pipe after branch's airduct is flowed into, and then flow in pollution discharge pond；
3rd, by the temperature sensor that is arranged in stockpile gathering stockpile fermentation temperature data, so as in real time to control dress
The temperature information in feedback stockpile is put, the foundation of switching is realized according to Temperature Feedback as blower fan start and stop.
Description of the drawings
Fig. 1 is this utility model fermentation tunnel front view.
Floor top views of the Fig. 2 for this utility model fermentation tunnel.
Fig. 3 is the Section A-A view in Fig. 1.
Fig. 4 is the zoomed-in view at M in Fig. 3.
Labelling in figure：1- pollution discharge ponds, 2- blow-off pipes, 3- branches airduct, 4- air mains, 5- blower fans, 6- control rooms, 7- fresh airs
Passage, 8- support tubes, 9- coverlays, 10- valves, 11- grooves, 12- floors, 13- flexible pipes, 14- sewage draining exits, 15- bodies of wall, 16-
Skylight.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit this utility model.
Embodiment
This utility model provides a kind of fermentation tunnel for producing biological organic fertilizer；
As Figure 1-Figure 4, many branch's airducts being parallel to each other are provided with the floor 12 of fermentation tunnel in the present embodiment
3, every branch's airduct 3 is provided with to floor the multiple valves 10 for extending, and the floor 12 is provided with corresponding with valve 10
Rows of groove 11, all of 3 one end of branch's airduct is connected with air main 4, and the other end is connected with blow-off pipe 2, on the air main 4
Blower fan 5 is connected with, the blow-off pipe 2 is extend in the pollution discharge pond 1 outside fermentation tunnel, and is exported below liquid level, the fermentation
Device for detecting temperature is additionally provided with tunnel.
By Duo Gen branches airduct is arranged in fermentation tunnel, all branch's airducts are connected with blower fan by air main,
And multiple valves upwards are provided with branch's airduct, using wind pushing form from bottom to top, and according to the temperature shape of stockpile
Condition automatically adjusts air-supply frequency, meets demand of the microorganism to oxygen, can avoid stockpile fermentation when inside anaerobic conditions,
So as to solve the problems, such as to need manually turning to be carried out daily using turner during traditional zymotic, realize that material fermentation is uniform, contracting
Short fermentation time, and convenient management, operation cost are low.
In the present embodiment, the size of main body of fermentation tunnel is 25 × 6 × 7.5m, and its body of wall 15 is brick mix structure, in tunnel
Top is provided with many support tubes 8, and the support tube can be formed using the bending of 60 × 60 × 3mm galvanizings square tube, be set on support tube 8
There is coverlay 9, the coverlay can adopt transparent corrosion resistant coverlay, skylight 16 is additionally provided with tunnel top.
In the present embodiment, described fermentation tunnel one end is provided with movable heat-preservation door, and the other end is provided with control room 6, the shifting
Dynamic formula thermal insulating door thermally insulated door is near pollution discharge pond 1.By arranging movable heat-preservation door, can heat-insulation and heat-preservation make sweat in the heat that produces
It is not easy to lose, can conveniently feed again and discharge, facilitate operator to supervise the situation in fermentation tunnel by arranging control room
Pipe.
In the present embodiment, the blower fan 5 is located in control room 6, and the fresh air channel 7 of vertical direction arrangement is connected with blower fan 5,
The fresh air channel 7 is extended to outside control room 6.
In the present embodiment, the blower fan 5 is connected to the middle part of air main 4, after wind is entered from the middle part of air main 4, along main
Airduct 4 flows to two ends.Wind can be made to compare into after air main using such design and be uniformly distributed to each branch's airduct,
And then it flow to stockpile everywhere, so that material fermentation is consistent.
In the present embodiment, connected using flexible pipe 13 between the blower fan 5 and air main 4.As blower fan is starting and is stopping
Shi Zhendong is larger, by being connected with air main using flexible pipe, can so reduce vibration and be transferred on air main, while also making two
Person installs connection and is more prone to.
In the present embodiment, the valve 10 is tapered.Valve is arranged into tapered, valve can be prevented in use
There is blocking, while liquid unnecessary during fermentation can be flowed into by valve being excluded in branch's airduct.
In the present embodiment, all branch's airducts 3 are parallel to each other and relative level is inclined at the floor of fermentation tunnel
In 12, higher than the one end for connecting blow-off pipe 2, the angle of inclination of branch's airduct 3 is 7.5 ° for one end of its connection air main 4.
Valve 10 is batch (-type) outlet, and when not blowing air, branch's airduct 3 also can be more in stockpile as the drainage channel of stockpile bottom
Remaining moisture can be gathered into liquid and enter in branch's airduct 3 from valve 10, then flow in pollution discharge pond 1 through blow-off pipe 2.Using this
The unnecessary liquid of stockpile automatic stream blow-off pipe after branch's airduct the is flowed into when design of sample can make fermentation, and then flow into blowdown
In pond.
In the present embodiment, the quantity of branch's airduct 3 is 15, can adopt external diameter for the pvc pipe of φ 160mm, its
Installing space is 400mm, and from centre to arranged on both sides.
In the present embodiment, in the pollution discharge pond 1, be provided with sewage draining exit 14, the sewage draining exit 14 apart from blow-off pipe 2 export it is vertical
Distance is 0.8-1.2m.When the height of water level in pollution discharge pond 1 is less, then the air in branch's airduct 3 is easy for from blowdown
Pipe 2 stretches into the outlet of below the water surface and discharges, and is kept low the air capacity from valve 10 out.When in pollution discharge pond 1
Height of water level it is higher when, then the air in branch's airduct 3 be difficult from blow-off pipe 2 stretch into below the water surface outlet discharge, so as to
Make the air capacity from valve 10 out larger.Make to form high between blow-off pipe outlet and pollution discharge pond liquid level by such design
Degree is poor, can so realize the adjustment to air pressure in branch's airduct, and then adjust the gas output of valve.
In the present embodiment, the device for detecting temperature include the temperature sensor being arranged in stockpile and with this temperature sensing
The control device that device is connected.Stockpile fermentation temperature data are gathered by the temperature sensor that is arranged in stockpile, so as to real-time
The temperature information in stockpile is fed back to control device, the foundation of switching is realized according to Temperature Feedback as blower fan start and stop.
Ventilation frequency can also be adjusted using oxygen feedback device in fact, be controlled such as by the monitoring to oxygen content in fermentation tunnel
The start and stop of blower fan processed.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement for being made within the principle of utility model etc., should be included in protection of the present utility model
Within the scope of.
Claims (6)
1. a kind of fermentation tunnel for producing biological organic fertilizer, is provided with Duo Gen branches airduct in the fermentation tunnel floor, divides per root
Branch wind pipe is provided with to floor the multiple valves for extending, and the floor is provided with the groove corresponding with valve, and its feature exists
In all of branch's airduct one end is connected with air main, and the other end is connected with blow-off pipe, and blower fan, the wind are connected with the air main
Machine is connected to the middle part of air main, after wind is entered from the middle part of air main, flows to air main two ends, and the blow-off pipe extend into
In pollution discharge pond outside fermentation tunnel, and export below liquid level, in the pollution discharge pond, be provided with sewage draining exit, sewage draining exit distance row
The vertical dimension of dirty pipe outlet is 0.8～1.2m, and described fermentation tunnel one end is provided with movable heat-preservation door, and the other end is provided with control
Room, the movable heat-preservation door are provided with the skylight for automatic air-exchanging at the top of pollution discharge pond side, the fermentation tunnel, described
Be additionally provided with device for detecting temperature in fermentation tunnel, the device for detecting temperature include the temperature sensor being arranged in stockpile and with
The control device that this temperature sensor is connected.
2. fermentation tunnel according to claim 1, it is characterised in that it is indoor that the blower fan is located at control, is connected with blower fan
Fresh air channel, it is outdoor that the fresh air channel extends to control.
3. fermentation tunnel according to claim 2, it is characterised in that connected using flexible pipe between the blower fan and air main
Connect.
4. fermentation tunnel according to claim 3, it is characterised in that the valve is tapered.
5. fermentation tunnel according to claim 4, it is characterised in that all branch's airducts are parallel to each other and relative level
It is inclined in the floor of fermentation tunnel, one end of its connection air main is higher than the one end for connecting blow-off pipe, branch's wind
The angle of inclination of pipe is 5 °～10 °.
6. fermentation tunnel according to claim 5, it is characterised in that the quantity of branch's airduct is 10-15 roots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620901540.1U CN206089485U (en) | 2016-08-19 | 2016-08-19 | Fermented tunnel of bio fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620901540.1U CN206089485U (en) | 2016-08-19 | 2016-08-19 | Fermented tunnel of bio fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206089485U true CN206089485U (en) | 2017-04-12 |
Family
ID=58469527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620901540.1U Expired - Fee Related CN206089485U (en) | 2016-08-19 | 2016-08-19 | Fermented tunnel of bio fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206089485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107788117A (en) * | 2017-11-30 | 2018-03-13 | 广西石埠乳业有限责任公司 | A kind of ferment at constant temperature room |
-
2016
- 2016-08-19 CN CN201620901540.1U patent/CN206089485U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107788117A (en) * | 2017-11-30 | 2018-03-13 | 广西石埠乳业有限责任公司 | A kind of ferment at constant temperature room |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170412 Termination date: 20210819 |