CN203625373U - Batch culture tank - Google Patents
Batch culture tank Download PDFInfo
- Publication number
- CN203625373U CN203625373U CN201320853302.4U CN201320853302U CN203625373U CN 203625373 U CN203625373 U CN 203625373U CN 201320853302 U CN201320853302 U CN 201320853302U CN 203625373 U CN203625373 U CN 203625373U
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- Prior art keywords
- tank
- ammonia
- rewinding
- air
- valve
- 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.)
- Expired - Lifetime
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 230000001954 sterilising effect Effects 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000000855 fermentation Methods 0.000 claims abstract description 14
- 230000004151 fermentation Effects 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 39
- 230000001105 regulatory effect Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 102000004190 Enzymes Human genes 0.000 abstract description 10
- 108090000790 Enzymes Proteins 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract 3
- 230000001502 supplementing effect Effects 0.000 abstract 3
- 238000003756 stirring Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 5
- 238000012262 fermentative production Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000050 nutritive effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000006052 feed supplement Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 241001052560 Thallis Species 0.000 description 1
- 238000004176 ammonification Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000011169 microbiological contamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 208000019116 sleep disease Diseases 0.000 description 1
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Abstract
The utility model discloses a batch culture tank. The batch culture tank comprises a tank body, an ammonia system, an air system, a power system, a feed supplementing system, a feed discharging system, a feed receiving system, a cooling system and a steam sterilization system, wherein the ammonia system is used for adjusting the pH value of feed liquid in the tank, the power system is used for stirring the feed liquid in the tank, the feed receiving system is used for receiving sub-feed liquid in a fermentation midway of a fermentation tank, the cooling system is used for cooling the feed liquid in the tank, the steam sterilization system is used for sterilizing the batch culture tank, the tank body is respectively communicated with the ammonia system, the air system, the power system, the feed supplementing system, the feed discharging system, the feed receiving system and the cooling system, and the steam sterilization system is respectively connected to the ammonia system, the air system, the feed supplementing system, the feed discharging system, the feed receiving system and the cooling system. Therefore, the batch culture tank has the advantages that the feed rotating speed, the single tank yield and the enzyme activity can be effectively increased, the wasting of resources such as steam, time and manpower can aslo be reduced, the product quality is improved, and fermented liquor and environmental pollution can be reduced.
Description
Technical field
The utility model relates to fermentation field, the culture tank at intermittence particularly using in a kind of fermenting process.
Background technology
In ferment tank operation process, because fermentation period is grown (150～180h), the continuous feed supplement of intermediate demand guarantees the required various nutritive substance of thalli growth.Therefore the fermentating liquid volume in tank also constantly increases thereupon, for maintaining dissolved oxygen level and cooling performance in normal fermentation culture volume, tank, just need midway outwards sub-material.
At present, conventionally adopt sleeping tank to receive the fermented liquid that fermentation separates midway, because the DE value height of fermentor tank when the sub-material differs, fermented liquid enters after sleeping tank, can not guarantee to continue fermentation under sterile state, so fermentor tank is easy bacteria infection when to sleeping tank sub-material, the sugar part in feed liquid waits nutritive substance completely not utilized and to consume by mycelia, has so just caused the very large wasting of resources.
And if rear technique (extraction) rewinding not in time, the residence time of point feed liquid in sleeping tank is longer, or meet the hot weather of high temperature etc., there will be sub-material liquid inductance to dye other miscellaneous bacteria and rotten problem, not only can make the enzyme impaired press filtration difficulty that also can make alive, quality product can not be guaranteed.
After dividing feed liquid to extrude from sleeping tank, sleeping tank is used steam sterilizing again after must cleaning up, and sleeping tank cleaning is extremely inconvenient, if sleeping tank uses and will clean for three times three times for one day, sterilizing three times, this just has very large waste in the resources such as manpower, time and steam so.Clean sewage discharge later to water drain, environment is also caused to certain pollution.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of intermittently culture tank, solves the problems such as microbiological contamination, the wasting of resources, environmental pollution.
Based on above-mentioned purpose, the culture tank at intermittence that the utility model provides comprises tank body, ammonia system for material liquid pH in regulating tank, air system, power system for feed liquid in stirred pot, feeding-system, discharge system, for receiving the material-receiving system of ferment tank sub-material mash midway, for the cooling system of feed liquid in cooling tank with for to the described steam sterilizing system that intermittence, culture tank was carried out sterilizing;
Wherein, described tank body is connected with ammonia system, air system, power system, feeding-system, discharge system, material-receiving system, cooling system respectively, and described steam sterilizing system is connected with ammonia system, air system, feeding-system, discharge system, material-receiving system, cooling system respectively;
Described steam sterilizing system comprises steam-pipe and is arranged at the steam valve on described steam-pipe; Described material-receiving system comprises rewinding mouth, rewinding pipeline and is arranged at the rewinding valve on described rewinding pipeline, the two ends of described rewinding pipeline are connected with rewinding mouth, tank body respectively, for the sub-material mash receiving is inputted to tank body, described rewinding valve is for controlling the flow of sub-material mash; Described steam-pipe is connected with described rewinding pipeline, and described steam-pipe is arranged between described rewinding mouth and rewinding valve, for material-receiving system is carried out to steam sterilizing.
Alternatively, described material-receiving system also comprises the blow-off line being connected with rewinding pipeline and is arranged at the exhaust valve on described blow-off line, and described blow-off line is arranged between described rewinding mouth and rewinding valve, for discharging the gas of material-receiving system.
Preferably, described rewinding pipeline is wired hose.
Alternatively, described ammonia system comprises ammonia pipeline, ammonia pressure table and is arranged at the ammonia valve on described ammonia pipeline, and described ammonia pipeline is for to tank body input ammonia, and described ammonia valve is for regulating the flow of ammonia.
Alternatively, described air system comprises air input channel, is arranged at air filter and intake valve on described air input channel, air output channel, and be arranged at air flowmeter, vent valve and the jar pressure meter on described air output channel; Described air line is for inputting and exhausted air to tank body, and described air filter is used for removing airborne impurity particle.
Alternatively, described discharge system comprises discharge pipe, discharge valve and is arranged at the blow-off line on described discharge pipe, described discharge pipe is for exporting the feed liquid in tank body, and described discharge valve is for regulating the flow of feed liquid, and described blow-off line is for exporting the dirt cleaning after tank body.
Alternatively, described cooling system comprises cooling water inlet, water cooler and cooling water outlet.
Preferably, described water cooler is trombone cooler, and described trombone cooler is longitudinally arranged in described tank body.
Alternatively, be also provided with thief hole and visor on described tank body, described thief hole detects for a small amount of feed liquid of taking out in tank, and described visor is for observing the fermentation situation of feed liquid in tank.
As can be seen from above, the culture tank at intermittence that the utility model provides can allow the fermented liquid of the low enzyme activity that prior fermentation produces continue to cultivate in culture tank at described intermittence, improves its enzyme activity; In the time that the enzyme activity of fermented liquid reaches certain level, then put into next procedure, can save like this starting material injected volume of next procedure, reduce production costs, shorten and extract the production cycle; Can be under sterile environment proceed to cultivate to the fermented liquid separating midway, make after sub-material the nutritive substances such as the sugar part (DE value) in mash again utilize, the raw-material consumption of reduction fermentative production; Culture tank was strictly carried out sterilizing and continued fermentation by fermentative production requirement described intermittence, can reduce mash because of sub-material is brought pollution midway, prevent living contaminants fermented liquid, improve the quality of products.Therefore, the culture tank at intermittence that the utility model provides can effectively improve and turn material speed, single tank output and enzyme activity, can reduce again the waste of the resources such as steam, time and manpower, improves product quality, reduces mash and environmental pollution.
Accompanying drawing explanation
Fig. 1 be the utility model embodiment intermittence culture tank structural representation;
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
The culture tank at intermittence that the utility model provides comprises tank body, ammonia system for material liquid pH in regulating tank, air system, power system for feed liquid in stirred pot, feeding-system, discharge system, for receiving the material-receiving system of ferment tank sub-material mash midway, for the cooling system of feed liquid in cooling tank with for to the described steam sterilizing system that intermittence, culture tank was carried out sterilizing.
Wherein, described tank body is connected with ammonia system, air system, power system, feeding-system, discharge system, material-receiving system, cooling system respectively, and described steam sterilizing system is connected with ammonia system, air system, feeding-system, discharge system, material-receiving system, cooling system respectively.
Described steam sterilizing system comprises steam-pipe and is arranged at the steam valve on described steam-pipe; Described material-receiving system comprises rewinding mouth, rewinding pipeline and is arranged at the rewinding valve on described rewinding pipeline, the two ends of described rewinding pipeline are connected with rewinding mouth, tank body respectively, for the sub-material mash receiving is inputted to tank body, described rewinding valve is for controlling the flow of sub-material mash; Described steam-pipe is connected with described rewinding pipeline, and described steam-pipe is arranged between described rewinding mouth and rewinding valve, for material-receiving system is carried out to steam sterilizing.
With reference to figure 1, its be the utility model embodiment intermittence culture tank structural representation.
As an embodiment of the present utility model, described intermittence culture tank comprise tank body 1, ammonia system 2 for material liquid pH in regulating tank, air system 3, power system 4 for feed liquid in stirred pot, feeding-system 5, discharge system 6, for receiving the material-receiving system 7 of ferment tank sub-material mash midway, for the cooling system 8 of feed liquid in cooling tank with for to the described steam sterilizing system 9 that intermittence, culture tank was carried out sterilizing.Wherein, described tank body 1 is connected with ammonia system 2, air system 3, power system 4, feeding-system 5, discharge system 6, material-receiving system 7, cooling system 8 respectively, and described steam sterilizing system 9 is communicated with ammonia system 2, air system 3, feeding-system 5, discharge system 6, material-receiving system 7, cooling system 8 respectively.
Described steam sterilizing system 9 comprises steam-pipe 901 and is arranged at the steam valve 902 on described steam-pipe 901.Described steam sterilizing system 9 is by the pipeline communication in steam-pipe 901 and above-mentioned each system (ammonia system 2, air system 3, feeding-system 5, discharge system 6, material-receiving system 7 and cooling system 8), receive before sub-material mash to described intermittence culture tank carry out steam sterilizing.
With reference to figure 2, the A place partial enlarged drawing that it is Fig. 1, the i.e. structural representation of the material-receiving system 7 of culture tank intermittently.
As can be seen from the figure, described material-receiving system 7 comprises rewinding mouth 701, rewinding pipeline 702 and is arranged at the rewinding valve 703 on described rewinding pipeline 702, the two ends of described rewinding pipeline 702 are connected with rewinding mouth 701, tank body 1 respectively, for the sub-material mash receiving is inputted to tank body 1, described rewinding valve 703 is for controlling the flow of sub-material mash.
Described material-receiving system 7 also comprises the blow-off line 704 being connected with rewinding pipeline 702 and is arranged at the exhaust valve 705 on described blow-off line 704, and described blow-off line 704 is arranged between described rewinding mouth 701 and rewinding valve 703, for discharging the gas of material-receiving system 7.
And described steam-pipe 901 is connected with rewinding pipeline 702, and described steam-pipe 901 is arranged between described rewinding mouth 701 and rewinding valve 703, for material-receiving system 7 is carried out to steam sterilizing.On described steam-pipe 901, be provided with steam valve 902.
Preferably, described rewinding pipeline 702 is wired hose.
Described ammonia system 2 comprises ammonia pipeline, ammonia pressure table 202 and is arranged at the ammonia valve 201 on described ammonia pipeline, and described ammonia pipeline is for inputting ammonia to tank body 1, and described ammonia valve 201 is for regulating the flow of ammonia.
Described air system 3 comprises air input channel, be arranged at air filter 301 and intake valve 302 on described air input channel, air output channel, and be arranged at air flowmeter 304, vent valve 303 and the jar pressure meter 305 on described air output channel.Described air line is for inputting and exhausted air to tank body, and described air filter 301 is for removing airborne impurity particle.
Described discharge system 6 comprises discharge pipe 601, discharge valve 602 and is arranged at the blow-off line 603 on described discharge pipe 601, described discharge pipe 601 is for exporting the feed liquid in tank body 1, described discharge valve 602 is for regulating the flow of feed liquid, and described blow-off line 603 is for exporting the dirt cleaning after tank body.
Described cooling system 8 comprises cooling water inlet, water cooler and cooling water outlet.Alternatively, described water cooler is trombone cooler, and described trombone cooler is longitudinally arranged in tank body 7.
Preferably, be also provided with thief hole 101 and visor 102 on described tank body 1, described thief hole 101 detects for a small amount of feed liquid of taking out in tank, and described visor 102 is for observing the fermentation situation of feed liquid in tank.
When the volume of culture in fermentor tank reach fermentor tank volume 2/3 time, the culture tank sub-material at intermittence that provide toward the utility model is provided; Fermentor tank is feed supplement ceaselessly, just needs ceaselessly toward culture tank sub-material at described intermittence, in the time that the volume of sub-material mash in described intermittence culture tank reaches 40～60%, just can start normal cultivation.
The culture tank at intermittence that uses the utility model to provide is carried out the concrete steps of sub-material:
1) sterilizing: with steam sterilizing system 9 to described intermittence culture tank carry out slack tank sterilizing, guarantee approximately 0.11～0.13Mpa of tank internal pressure, approximately 123～125 ℃ of temperature, maintain approximately 30～50 minutes; After slack tank sterilizing, with sterile air, rewinding tank is carried out to pressurize, be cooled to 33～35 ℃ of left and right, wait for the sub-material mash that receives fermentor tank.
2) sub-material: in the time that feed liquid in fermentor tank needs outside sub-material, the culture tank at intermittence the utility model being provided by material-receiving system 7 is communicated with fermentor tank, and material-receiving system 7 is carried out to sterilizing with steam sterilizing system 9; After sterilizing, steam off, the steam of draining in rewinding pipeline 702 by the blow-off line 704 on rewinding pipeline 703, pressure falls to about 0.01Mpa; Open the rewinding valve 703 on rewinding pipeline 702, then open the sub-material valve on fermentor tank, start sub-material; After the sub-material mash volume in described intermittence culture tank reaches approximately 40～60%, close the sub-material valve on fermentor tank, separatory mash in rewinding pipeline is poured to culture tank at described intermittence with steam, then close described rewinding valve 703, sub-material finishes.
Then, according to the concrete technology parameter of sub-material mash sample, ammonification, feed supplement, cultivation.
Hence one can see that, and the culture tank at intermittence that the utility model provides can allow the fermented liquid of the low enzyme activity that prior fermentation produces continue to cultivate in culture tank at described intermittence, improves its enzyme activity; In the time that the enzyme activity of fermented liquid reaches certain level, then put into next procedure, can save like this next procedure starting material injected volume (because of lower operation be by volume throw in raw-material), reduce production costs, shorten and extract the production cycle; Can be under sterile environment proceed to cultivate to the fermented liquid separating midway, make after sub-material the nutritive substances such as the sugar part (DE value) in mash again utilize, the raw-material consumption of reduction fermentative production; Culture tank was strictly carried out sterilizing and continued fermentation by fermentative production requirement described intermittence, can reduce mash because of sub-material is brought pollution midway, prevent living contaminants fermented liquid, improve the quality of products.
Therefore, the culture tank at intermittence that the utility model provides can effectively improve and turn material speed, single tank output and enzyme activity, can reduce again the waste of the resources such as steam, time and manpower, improves product quality, reduces mash and environmental pollution.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a culture tank intermittently, it is characterized in that, described intermittence culture tank comprise tank body, ammonia system for material liquid pH in regulating tank, air system, power system for feed liquid in stirred pot, feeding-system, discharge system, for receiving the material-receiving system of ferment tank sub-material mash midway, for the cooling system of feed liquid in cooling tank with for to the described steam sterilizing system that intermittence, culture tank was carried out sterilizing;
Wherein, described tank body is connected with ammonia system, air system, power system, feeding-system, discharge system, material-receiving system, cooling system respectively, and described steam sterilizing system is connected with ammonia system, air system, feeding-system, discharge system, material-receiving system, cooling system respectively;
Described steam sterilizing system comprises steam-pipe and is arranged at the steam valve on described steam-pipe; Described material-receiving system comprises rewinding mouth, rewinding pipeline and is arranged at the rewinding valve on described rewinding pipeline, and the two ends of described rewinding pipeline are connected with rewinding mouth, tank body respectively, for by the sub-material mash input tank body receiving; Described steam-pipe is connected with described rewinding pipeline, and described steam-pipe is arranged between described rewinding mouth and rewinding valve, for material-receiving system is carried out to steam sterilizing.
Intermittence according to claim 1 culture tank, it is characterized in that, described material-receiving system also comprises the blow-off line being connected with rewinding pipeline and is arranged at the exhaust valve on described blow-off line, and described blow-off line is arranged between described rewinding mouth and rewinding valve, for discharging the gas of material-receiving system.
Intermittence according to claim 1 and 2 culture tank, it is characterized in that, described rewinding pipeline is wired hose.
Intermittence according to claim 1 culture tank, it is characterized in that, described ammonia system comprises ammonia pipeline, ammonia pressure table and is arranged at the ammonia valve on described ammonia pipeline, and described ammonia pipeline is for to tank body input ammonia, and described ammonia valve is for regulating the flow of ammonia.
Intermittence according to claim 1 culture tank, it is characterized in that, described air system comprises air input channel, be arranged at air filter and intake valve on described air input channel, air output channel, and be arranged at air flowmeter, vent valve and the jar pressure meter on described air output channel; Described air line is for inputting and exhausted air to tank body, and described air filter is used for removing airborne impurity particle.
Intermittence according to claim 1 culture tank, it is characterized in that, described discharge system comprises discharge pipe, discharge valve and is arranged at the blow-off line on described discharge pipe, described discharge pipe is for exporting the feed liquid in tank body, described discharge valve is for regulating the flow of feed liquid, and described blow-off line is for exporting the dirt cleaning after tank body.
Intermittence according to claim 1 culture tank, it is characterized in that, described cooling system comprises cooling water inlet, water cooler and cooling water outlet.
Intermittence according to claim 7 culture tank, it is characterized in that, described water cooler is trombone cooler, and described trombone cooler is longitudinally arranged in described tank body.
Intermittence according to claim 1 culture tank, it is characterized in that, on described tank body, be also provided with thief hole and visor, described thief hole detects for a small amount of feed liquid of taking out in tank, described visor is for observing the fermentation situation of feed liquid in tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853302.4U CN203625373U (en) | 2013-12-23 | 2013-12-23 | Batch culture tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853302.4U CN203625373U (en) | 2013-12-23 | 2013-12-23 | Batch culture tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203625373U true CN203625373U (en) | 2014-06-04 |
Family
ID=50811866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320853302.4U Expired - Lifetime CN203625373U (en) | 2013-12-23 | 2013-12-23 | Batch culture tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203625373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462814A (en) * | 2016-01-21 | 2016-04-06 | 王新东 | Efficient and energy-saving type biological fermentation tank and matched pipe network system thereof |
| CN108939103A (en) * | 2018-08-06 | 2018-12-07 | 江苏丰泽生物工程设备制造有限公司 | A kind of defoaming pipeline totality bactericidal unit and its application method |
| CN109022270A (en) * | 2018-10-16 | 2018-12-18 | 无锡荣丰生物工程有限公司 | A kind of fermenter system and its working method for amino acids production |
-
2013
- 2013-12-23 CN CN201320853302.4U patent/CN203625373U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462814A (en) * | 2016-01-21 | 2016-04-06 | 王新东 | Efficient and energy-saving type biological fermentation tank and matched pipe network system thereof |
| CN105462814B (en) * | 2016-01-21 | 2018-09-18 | 王新东 | High-efficiency and energy-saving type biological fermentation tank and its mating pipe network system |
| CN108939103A (en) * | 2018-08-06 | 2018-12-07 | 江苏丰泽生物工程设备制造有限公司 | A kind of defoaming pipeline totality bactericidal unit and its application method |
| CN109022270A (en) * | 2018-10-16 | 2018-12-18 | 无锡荣丰生物工程有限公司 | A kind of fermenter system and its working method for amino acids production |
| CN109022270B (en) * | 2018-10-16 | 2023-09-22 | 无锡荣丰生物工程有限公司 | Fermentation tank system for amino acid production and working method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20140604 |