CN106010944A - Ring-in-ring integrated anaerobic fermentation reaction device - Google Patents
Ring-in-ring integrated anaerobic fermentation reaction device Download PDFInfo
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- CN106010944A CN106010944A CN201610548828.XA CN201610548828A CN106010944A CN 106010944 A CN106010944 A CN 106010944A CN 201610548828 A CN201610548828 A CN 201610548828A CN 106010944 A CN106010944 A CN 106010944A
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- 238000000855 fermentation Methods 0.000 title claims abstract description 199
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- 230000004151 fermentation Effects 0.000 claims abstract description 175
- 239000012530 fluid Substances 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000008236 heating water Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 241000009298 Trigla lyra Species 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 19
- 238000009826 distribution Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/18—External loop; Means for reintroduction of fermented biomass or liquid percolate
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/24—Heat exchange systems, e.g. heat jackets or outer envelopes inside the vessel
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- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a ring-in-ring integrated anaerobic fermentation reaction device. The ring-in-ring integrated anaerobic fermentation reaction device comprises a first homogenizing tank, a second homogenizing tank, an outer ring fermentation tank, an inner ring fermentation tank, a ring-in-ring heating water inlet pipe, a ring-in-ring heating water outlet pipe, a first mixed fluid conveying pump and a second mixed fluid conveying pump; the first homogenizing tank and the second homogenizing tank are used for preliminarily mixing original materials, the outer ring fermentation tank is used for carrying out primary fermentation on materials mixed uniformly in the homogenizing tanks, and the inner ring fermentation tank is used for carrying out secondary fermentation on the materials completing primary fermentation in the outer ring fermentation tank. The occupied area of a fermentation system can be reduced, pipeline length is reduced, fluidity of the materials in the fermentation tanks is ensured, the materials in the fermentation tanks are stirred uniformly, and respective self-circulation of the materials in the fermentation tanks and material blending between the fermentation tanks can be achieved.
Description
Technical field
The invention belongs to anaerobic fermentation system field, relate to a kind of ring medium ring integral anaerobic fermentation reaction device.
Background technology
Under normal circumstances, two-stage anaerobic fermentation technology is by two fermentation vat series operations, and material initially enters one grade fermemtation pond, enters second order fermentation pond the most again.Arranging stirring and heating and machinery equipment in one grade fermemtation pond, the Organic substance decomposition in biogas slurry mainly completes in one grade fermemtation pond, and second order fermentation pond does not set stirring and heating, but utilizes one grade fermemtation pond to discharge biogas slurry waste heat and continue to ferment.
Owing to the series connection of two-stage fermentation pond can cause floor space relatively big, project investment is bigger；Transfer pipeline is longer, is susceptible to feed blocking；Owing to pool wall surface radiating area is relatively big, heat-insulating property is poor；And traditional fermentation tank uses center stirring or the stirring of unidirectional multiple spot, process material solid content is below 8%, and when material solid content is higher than 8%, the uniformity that can cause stirring is poor, easily forms dead angle；When needs are safeguarded, needing to stop completely anaerobic system, empty tank body, after maintenance, system needs to restart, and is the common defects in current anaerobic fermentation system.
Summary of the invention
The problem to be solved in the present invention is the floor space saving fermentation system, shorten duct length, ensureing the mobility of material in fermentation tank, in making fermentation tank, material stirring is uniform, and can realize in each fermentation tank each materials allocating between material self-loopa and each fermentation tank.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of ring medium ring integral anaerobic fermentation reaction device, including:
First homogenate pond 51 and the second homogenate pond 78, for initial material is carried out preliminary mixing, first homogenate pond 51 includes the first homogenate pond return duct 58 that the homogenate methane-production-pool device gas-producing area with its top is connected and the first homogenate pond discharge nozzle 44 connected with bottom it, and the second homogenate pond 78 includes the second homogenate pond return duct 79 that the homogenate methane-production-pool device gas-producing area with its top is connected and the second homogenate pond discharge nozzle 80 connected with bottom it；
Outer shroud fermentation tank 1, for the material after homogenate pond mix homogeneously is carried out first order fermentation, it includes outer shroud discharge nozzle 40 that the outer shroud feed pipe 64 that the outer shroud methane gas producing district 3 at the top with outer shroud fermentation tank 1 is connected connects with the bottom of outer shroud fermentation tank 1 and is arranged on the outer shroud within outer shroud fermentation tank 1 and adds heat pipe 26；
It is arranged on the internal ring fermentation tank 19 within outer shroud fermentation tank 1, the material completing first order fermentation in by outer shroud fermentation tank 1 carries out second level fermentation, it includes covering the methane holder 6 also and forming internal ring methane gas producing district 8 on internal ring fermentation tank 19 top between internal ring material liquid level 7, the internal ring feed pipe 9 being connected with the internal ring methane gas producing district 8 at the top of internal ring fermentation tank 19, the internal ring discharge nozzle 41 that connects with the bottom of internal ring fermentation tank 19 and be arranged on the internal ring within internal ring fermentation tank 19 and add heat pipe 36, the outer wall of internal ring fermentation tank 19 is arranged between internal ring fermentation tank 19 and outer shroud fermentation tank 1, for forming fermenting space and the fermenting space of outer shroud fermentation tank 1 of internal ring fermentation tank 19；
Ring medium ring heating water inlet pipe 61, it adds heat pipe 26 respectively with outer shroud and internal ring adds heat pipe 36 and connects, and is passed through the hot water for heating within adding heat pipe 36 to outer shroud heating pipe 26 and internal ring；
Ring medium ring heating outlet pipe 62, it adds heat pipe 26 respectively with outer shroud and internal ring adds heat pipe 36 and connects, and adds heat pipe 26 and internal ring adds the hot water that heat pipe 36 is discharged for receiving outer shroud；
First mixed fluid delivery pump 42 and the second mixed fluid delivery pump 76, first mixed fluid delivery pump 42 includes the first mixed fluid delivery pump discharging opening 43, second mixed fluid delivery pump 76 includes the second mixed fluid delivery pump discharging opening 77, pipeline communication is passed through between first mixed fluid delivery pump discharging opening 43 and the second mixed fluid delivery pump discharging opening 77, wherein, first homogenate pond return duct 58 is connected with the first mixed fluid delivery pump discharging opening 43 respectively with the charging aperture of the second homogenate pond return duct 79, first homogenate pond discharge nozzle 44 is homogenized the pond discharge nozzle 80 charging aperture respectively with the first mixed fluid delivery pump 42 with second and is connected；Outer shroud discharging opening 40 with internal ring discharging opening 41 respectively charging aperture with the second mixed fluid delivery pump 76 be connected, internal ring feed pipe 9 is connected with the second mixed fluid delivery pump discharging opening 77 respectively with outer shroud feed pipe 64.
Further, the first homogenate pond return duct 58, second is homogenized on pond return duct 79, internal ring feed pipe 9 and outer shroud feed pipe 64 and is provided with flow control valve, the mass flow in control piper.
Further, it is provided with flow control valve, for controlling the Flow of Goods and Materials between the first mixed fluid delivery pump 42 and the second mixed fluid delivery pump 76 on connecting pipe between first mixed fluid delivery pump discharging opening 43 and the second mixed fluid delivery pump discharging opening 77.
Further, first homogenate pond 51 and the second homogenate pond 78 the most also include the homogenate pond agitating device being arranged on homogenate in the pond within, and it includes being fixed on and is homogenized the even stock trough agitator bottom pond and fixes base plate 46, can be rotatably mounted at even stock trough agitator guide rod 45 that even stock trough agitator fixes on base plate 46 and can be slidably mounted on the even stock trough agitator 47 on even stock trough agitator guide rod 45.
Further, outer shroud fermentation tank 1 also includes multiple being arranged on that outer shroud fermentation tank 1 is internal and outer shroud agitating device along the distribution of outer shroud fermentation tank 1 circumferencial direction, and it includes being fixed on the outer shroud stirring guide rod bottom outer shroud fermentation tank 1 and fixes base plate 34, can be rotatably mounted at outer shroud agitator guide rod 24 that outer shroud stirring guide rod fixes on base plate 34 and can be slidably mounted on the outer shroud agitator 25 on outer shroud agitator guide rod 24.
Further, internal ring fermentation tank 19 also includes multiple being arranged on that internal ring fermentation tank 19 is internal and internal ring agitating device along the distribution of internal ring fermentation tank 19 circumferencial direction, and it includes being fixed on the internal ring stirring guide rod bottom internal ring fermentation tank 19 and fixes base plate 37, can be rotatably mounted at internal ring agitator guide rod 15 that internal ring stirring guide rod fixes on base plate 37 and can be slidably mounted on the internal ring agitator 16 on internal ring agitator guide rod 15；Internal ring agitating device is between the center of internal ring fermentation tank 19 and its medial wall.
Further, also include the homogenate pond service platform 54 being arranged on homogenate top, pond, for controlling homogenate pond agitating device and as the exit passageway of biogas in homogenate pond.
Further, also include the outer shroud service platform 21 being arranged on outer shroud fermentation tank 1 top, for controlling the interior outer shroud agitating device arranged of outer shroud fermentation tank 1 and as the exit passageway of biogas in outer shroud fermentation tank.
Further, also include the internal ring service platform 12 being arranged on internal ring fermentation tank 19 top, for controlling the interior internal ring agitating device arranged of internal ring fermentation tank 1 and as the exit passageway of biogas in internal ring fermentation tank.
Beneficial effect:
The present invention compared with prior art, has the advantage that
1) save floor space, reduce cost of land.
2) pipeline of material charging and discharging can substantially shorten, and reduces piping cost, reduces the risk of line clogging.
3) outer shroud fermentation tank 1 outer wall is generally with heat-insulation layer, and internal ring fermentation tank 19 outer wall and outer shroud fermentation tank 1 inwall wall altogether, the area of dissipation of system is little, high insulating effect, can substantially save energy consumption.
4) outer shroud fermentation tank 1 and internal ring fermentation tank 19 two-stage fermentation system change the form of conventional center stirring, use multipoint mode submersible agitating system, the tank structure of outer shroud fermentation tank 1 is ring-type, when agitator is stirred, annular pulling flow type fluidised form will be formed in outer shroud fermentation tank, there is also simultaneously and be thoroughly mixed formula fluidised form, therefore for pulling flow type be thoroughly mixed formula fluidised form the form deposited in outer shroud fermentation tank 1；For being thoroughly mixed formula fluidised form in internal ring fermentation tank 19.The fluidised form of above-mentioned formation makes stirring more fully, uniformly, is prevented effectively from and dead angle occurs.
5) material is allocated by the first mixed fluid delivery pump 42 and the second mixed fluid delivery pump 76 in outer shroud fermentation tank 1, internal ring fermentation tank the 19, first homogenate pond 51 and/or the second homogenate pond 78, and technique can realize being adjusted flexibly.When system goes wrong, it is not necessary to empty tank body, biosystem recovers very fast.
6) each tank body is realized independent from circulation by the first mixed fluid delivery pump 42 and the second mixed fluid delivery pump 76: homogenate pond is by being homogenized pond discharging opening to homogenate pond refluxing opening；Outer shroud fermentation tank passes through outer shroud discharging opening to outer shroud charging aperture；Internal ring fermentation tank passes through internal ring discharging opening to internal ring feed pipe.Purpose is to make the high solid content material being deposited in each tank base be pumped into liquid level top, promotes tank base precipitation material uniformly to mix with top material.
7) it is transported to be homogenized pond by the fermentation liquid in outer shroud fermentation tank 1 or internal ring fermentation tank 19 by the first mixed fluid delivery pump 42 and/or the second mixed fluid delivery pump 76, is back to be homogenized pond by the biogas slurry that part had been fermented, high concentration material is diluted.Meanwhile, the anaerobe of backflow and the biogas slurry of higher temperature can also promote hydrolysis.
8) by the first mixed fluid delivery pump 42 and/or the second mixed fluid delivery pump 76, the material in homogenate pond is delivered directly to internal ring fermentation tank 19, when being homogenized pond load and being higher, after can part being hydrolyzed, material is pumped directly to internal ring fermentation tank 19, makes substantial amounts of anaerobe in internal ring obtain the nutrient substance of abundance.
Accompanying drawing explanation
Fig. 1 is the ring medium ring integral anaerobic fermentation reaction device schematic diagram of the present invention；
Fig. 2 is the ring medium ring integral anaerobic fermentation reaction device top view of the present invention.
Detailed description of the invention
Purpose and technical scheme for making the embodiment of the present invention are clearer, below in conjunction with the accompanying drawing of the embodiment of the present invention, are clearly and completely described the technical scheme of the embodiment of the present invention.Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art are obtained on the premise of without creative work, broadly fall into the scope of protection of the invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technical term and scientific terminology) have with the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Should also be understood that those terms defined in such as general dictionary should be understood that have the meaning consistent with the meaning in the context of prior art, and unless defined as here, will not explain by idealization or the most formal implication.
Heretofore described fluidised form refers to the fluid form at Bottomhole pressure.
nullReference in accompanying drawing of the present invention is: outer shroud fermentation tank 1，Outer shroud methane gas producing district 3，Methane holder 6，Internal ring methane gas producing district 8，Internal ring feed pipe 9，Internal ring gas storage holder newel 11，Internal ring service platform 12，Ring medium ring aerogenesis pipeline 14，Internal ring stirring guide rod 15，Internal ring agitator 16，Internal ring fermentation tank 19，Outer shroud service platform 20，Outer shroud heat-insulation layer 23，Outer shroud agitator guide rod 24，Outer shroud agitator 25，Base plate 34 fixed by outer shroud stirring guide rod，Base plate fixed by internal ring stirring guide rod，Internal ring gas storage holder newel base 38，Outer shroud discharging opening 40，Internal ring discharging opening 41，First mixed fluid delivery pump 42，First mixed fluid delivery pump discharging opening 43，First homogenate pond discharge nozzle 44，Even stock trough agitator guide rod 45，Even stock trough agitator fixes base plate 46，Even stock trough agitator 47，Homogenate pond 51，Homogenate methane-production-pool device gas-producing area 53，Homogenate pond service platform 54，Homogenate pond aerogenesis pipeline 57，Homogenate pond return duct 58，Homogenate pond charging aperture 59，Ring medium ring heating water inlet pipe 61，Ring medium ring heating outlet pipe 62，Outer shroud feed pipe 64，Second mixed fluid delivery pump 76，Second mixed fluid delivery pump discharging opening 77，Second homogenate pond 78，Second homogenate pond return duct 79，Second homogenate pond discharge nozzle 80.
As illustrated in fig. 1 and 2, the ring medium ring integral anaerobic fermentation reaction device of the present invention, including:
First homogenate pond 51 and the second homogenate pond 78, for initial material is carried out preliminary mixing, first homogenate pond 51 includes the first homogenate pond return duct 58 that the homogenate methane-production-pool device gas-producing area with its top is connected and the first homogenate pond discharge nozzle 44 connected with bottom it, and the second homogenate pond 78 includes the second homogenate pond return duct 79 that the homogenate methane-production-pool device gas-producing area with its top is connected and the second homogenate pond discharge nozzle 80 connected with bottom it；
Outer shroud fermentation tank 1, for the material after homogenate pond mix homogeneously is carried out first order fermentation, it includes outer shroud discharge nozzle 40 that the outer shroud feed pipe 64 that the outer shroud methane gas producing district 3 at the top with outer shroud fermentation tank 1 is connected connects with the bottom of outer shroud fermentation tank 1 and is arranged on the outer shroud within outer shroud fermentation tank 1 and adds heat pipe 26；
It is arranged on the internal ring fermentation tank 19 within outer shroud fermentation tank 1, the material completing first order fermentation in by outer shroud fermentation tank 1 carries out second level fermentation, it includes covering the methane holder 6 also and forming internal ring methane gas producing district 8 on internal ring fermentation tank 19 top between internal ring material liquid level 7, the internal ring feed pipe 9 being connected with the internal ring methane gas producing district 8 at the top of internal ring fermentation tank 19, the internal ring discharge nozzle 41 that connects with the bottom of internal ring fermentation tank 19 and be arranged on the internal ring within internal ring fermentation tank 19 and add heat pipe 36, the outer wall of internal ring fermentation tank 19 is arranged between internal ring fermentation tank 19 and outer shroud fermentation tank 1, for forming fermenting space and the fermenting space of outer shroud fermentation tank 1 of internal ring fermentation tank 19；
Ring medium ring heating water inlet pipe 61, it adds heat pipe 26 respectively with outer shroud and internal ring adds heat pipe 36 and connects, and is passed through the hot water for heating within adding heat pipe 36 to outer shroud heating pipe 26 and internal ring；
Ring medium ring heating outlet pipe 62, it adds heat pipe 26 respectively with outer shroud and internal ring adds heat pipe 36 and connects, and adds heat pipe 26 and internal ring adds the hot water that heat pipe 36 is discharged for receiving outer shroud；
First mixed fluid delivery pump 42 and the second mixed fluid delivery pump 76, first mixed fluid delivery pump 42 includes the first mixed fluid delivery pump discharging opening 43, second mixed fluid delivery pump 76 includes the second mixed fluid delivery pump discharging opening 77, pipeline communication is passed through between first mixed fluid delivery pump discharging opening 43 and the second mixed fluid delivery pump discharging opening 77, wherein, first homogenate pond return duct 58 is connected with the first mixed fluid delivery pump discharging opening 43 respectively with the charging aperture of the second homogenate pond return duct 79, first homogenate pond discharge nozzle 44 is homogenized the pond discharge nozzle 80 charging aperture respectively with the first mixed fluid delivery pump 42 with second and is connected；Outer shroud discharging opening 40 with internal ring discharging opening 41 respectively charging aperture with the second mixed fluid delivery pump 76 be connected, internal ring feed pipe 9 is connected with the second mixed fluid delivery pump discharging opening 77 respectively with outer shroud feed pipe 64.
For the mass flow in control piper, it is homogenized on pond return duct 79, internal ring feed pipe 9 and outer shroud feed pipe 64 at the first homogenate pond return duct 58, second and is provided with flow control valve.
In order to control the Flow of Goods and Materials between the first mixed fluid delivery pump 42 and the second mixed fluid delivery pump 76, the connecting pipe between the first mixed fluid delivery pump discharging opening 43 and the second mixed fluid delivery pump discharging opening 77 is provided with flow control valve.
First homogenate pond 51 and the second homogenate pond 78 the most also include the homogenate pond agitating device being arranged on homogenate in the pond within, and it includes being fixed on and is homogenized the even stock trough agitator bottom pond and fixes base plate 46, can be rotatably mounted at even stock trough agitator guide rod 45 that even stock trough agitator fixes on base plate 46 and can be slidably mounted on the even stock trough agitator 47 on even stock trough agitator guide rod 45.
Outer shroud fermentation tank 1 also includes multiple being arranged on that outer shroud fermentation tank 1 is internal and outer shroud agitating device along the distribution of outer shroud fermentation tank 1 circumferencial direction, and it includes being fixed on the outer shroud stirring guide rod bottom outer shroud fermentation tank 1 and fixes base plate 34, can be rotatably mounted at outer shroud agitator guide rod 24 that outer shroud stirring guide rod fixes on base plate 34 and can be slidably mounted on the outer shroud agitator 25 on outer shroud agitator guide rod 24.
Internal ring fermentation tank 19 also includes multiple being arranged on that internal ring fermentation tank 19 is internal and internal ring agitating device along the distribution of internal ring fermentation tank 19 circumferencial direction, and it includes being fixed on the internal ring stirring guide rod bottom internal ring fermentation tank 19 and fixes base plate 37, can be rotatably mounted at internal ring agitator guide rod 15 that internal ring stirring guide rod fixes on base plate 37 and can be slidably mounted on the internal ring agitator 16 on internal ring agitator guide rod 15；Internal ring agitating device is between the center of internal ring fermentation tank 19 and its medial wall.
Also include the homogenate pond service platform 54 being arranged on homogenate top, pond, for controlling homogenate pond agitating device and as the exit passageway of biogas in homogenate pond.
Also include the outer shroud service platform 21 being arranged on outer shroud fermentation tank 1 top, for controlling the interior outer shroud agitating device arranged of outer shroud fermentation tank 1 and as the exit passageway of biogas in outer shroud fermentation tank.
Also include connecing the internal ring service platform 12 being arranged on internal ring fermentation tank 19 top, for controlling the interior internal ring agitating device arranged of internal ring fermentation tank 1 and as the exit passageway of biogas in internal ring fermentation tank.
Ring medium ring two-stage integral anaerobic fermentation reaction device.The first order is outer shroud fermentation tank, outer shroud fermentation tank 1 isothermal holding to be carried out.The second level is internal ring fermentation tank 19, and internal ring fermentation tank 19 can do top cover or methane holder 6.In anaerobic fermentation process, material passes through pumping system by material from the homogenate pond discharging opening being homogenized bottom pond, is transported to top outer shroud charging aperture 64 and enters into outer shroud fermentation tank 1, is stirred by the plug-flow of outer shroud agitator 25, form the fluidised form of annular, abundant fermentation gas.After stopping time enough, material can be sent into internal ring fermentation tank 19 top internal ring feed pipe 9 from the bottom outer shroud discharge nozzle 40 of outer shroud fermentation tank 1 by pumping system by system, internal ring fermentation tank 19 is to be thoroughly mixed formula design, the ring fermentation tank 1 one grade fermemtation tank material completely that do not ferments continues fermentation gas at internal ring fermentation tank 19 outside, reaches the effect of abundant fermentation gas.Material to outer shroud fermentation tank 1 from homogenate pond, from outer shroud fermentation tank 1 to internal ring fermentation tank 19, from internal ring fermentation tank 19 to biogas residue and biogas liquid floss hole 71, is all carried by pumping system, and fluidised form is upper entering and lower leaving.Pumping system includes the first mixed fluid delivery pump 42 and the second mixed fluid delivery pump 76.
As a kind of optimal way, the top of outer shroud fermentation tank 1 is less than the top of internal ring fermentation tank 19, the top of outer shroud fermentation tank 1 can be chosen as concrete or steel top, and the top of internal ring fermentation tank 19 can be open type, and seal installation integration gas storage holder 6 at the top of internal ring fermentation tank 19.
Outer shroud service platform, internal ring service platform and homogenate pond service platform are unique access ways that equipment carries out not parking maintenance in fermentation system, and are unique safe outlet passageways of biogas in fermentation system.
It is arranged on outer shroud service platform 20 and the internal ring service platform 12 at internal ring fermentation tank 19 top at outer shroud fermentation tank 1 top, under ring medium ring anaerobic fermentation system normal production run operating mode to tank body in agitator when carrying out examination and maintenance, carry out overhauling by being lifted to by agitator inside service platform, when agitator is lifted to service platform inside, can be isolated with fermentation tank by service platform by hermatic door bottom service platform, the examination and maintenance of agitator are operated in inside service platform and carry out.
Material in outer shroud fermentation tank 1, under the thrust of agitator, remains the outer wall motion around internal ring tank body.
According to area climate difference, the ring medium ring integral anaerobic fermentation reaction device of the present invention can be divided into full underground, ground semi-underground, complete to build.
Above-described embodiment is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention; some improvement and equivalent can also be made; the claims in the present invention are improved and technical scheme after equivalent by these, each fall within protection scope of the present invention.
Claims (9)
1. a ring medium ring integral anaerobic fermentation reaction device, it is characterised in that including:
First homogenate pond (51) and the second homogenate pond (78), for initial material is carried out preliminary mixing, described first homogenate pond (51) includes the first homogenate pond return duct (58) that the homogenate methane-production-pool device gas-producing area with its top is connected and the first homogenate pond discharge nozzle (44) connected with bottom it, and described second homogenate pond (78) includes the second homogenate pond return duct (79) that the homogenate methane-production-pool device gas-producing area with its top is connected and the second homogenate pond discharge nozzle (80) connected with bottom it；
Outer shroud fermentation tank (1), for the material after homogenate pond mix homogeneously is carried out first order fermentation, it includes outer shroud discharge nozzle (40) that the outer shroud feed pipe (64) that the outer shroud methane gas producing district (3) at the top with outer shroud fermentation tank (1) is connected connect with the bottom of outer shroud fermentation tank (1) and is arranged on the outer shroud inside outer shroud fermentation tank (1) and adds heat pipe (26)；
nullIt is arranged on the internal ring fermentation tank (19) that outer shroud fermentation tank (1) is internal，The material completing first order fermentation in by outer shroud fermentation tank (1) carries out second level fermentation，It include cover internal ring fermentation tank (19) top and and internal ring material liquid level (7) between formed internal ring methane gas producing district (8) methane holder (6)、The internal ring feed pipe (9) being connected with the internal ring methane gas producing district (8) at the top of internal ring fermentation tank (19)、The internal ring discharge nozzle (41) connected with the bottom of internal ring fermentation tank (19) and the internal ring being arranged on internal ring fermentation tank (19) internal add heat pipe (36)，The outer wall of described internal ring fermentation tank (19) is arranged between internal ring fermentation tank (19) and outer shroud fermentation tank (1)，For forming fermenting space and the fermenting space of outer shroud fermentation tank (1) of internal ring fermentation tank (19) respectively；
Ring medium ring heating water inlet pipe (61), it adds heat pipe (26) respectively with outer shroud and internal ring adds heat pipe (36) and connects, and is passed through the hot water for heating within adding heat pipe (36) to outer shroud heating pipe (26) and internal ring；
Ring medium ring heating outlet pipe (62), it adds heat pipe (26) respectively with outer shroud and internal ring adds heat pipe (36) and connects, and is used for receiving outer shroud and adds heat pipe (26) and internal ring adds the hot water that heat pipe (36) is discharged；
First mixed fluid delivery pump (42) and the second mixed fluid delivery pump (76), described first mixed fluid delivery pump (42) includes the first mixed fluid delivery pump discharging opening (43), described second mixed fluid delivery pump (76) includes the second mixed fluid delivery pump discharging opening (77), pipeline communication is passed through between described first mixed fluid delivery pump discharging opening (43) and the second mixed fluid delivery pump discharging opening (77), wherein, described first homogenate pond return duct (58) is connected with the first mixed fluid delivery pump discharging opening (43) respectively with the charging aperture of the second homogenate pond return duct (79), first homogenate pond discharge nozzle (44) is homogenized pond discharge nozzle (80) charging aperture respectively with the first mixed fluid delivery pump (42) and is connected with second；Described outer shroud discharging opening (40) with internal ring discharging opening (41) respectively charging aperture with the second mixed fluid delivery pump (76) be connected, described internal ring feed pipe (9) is connected with the second mixed fluid delivery pump discharging opening (77) respectively with outer shroud feed pipe (64).
A kind of ring medium ring integral anaerobic fermentation reaction device the most according to claim 1, it is characterized in that, it is provided with flow control valve, the mass flow in control piper on described first homogenate pond return duct (58), the second homogenate pond return duct (79), internal ring feed pipe (9) and outer shroud feed pipe (64).
A kind of ring medium ring integral anaerobic fermentation reaction device the most according to claim 1, it is characterized in that, it is provided with flow control valve, for controlling the Flow of Goods and Materials between the first mixed fluid delivery pump (42) and the second mixed fluid delivery pump (76) on connecting pipe between described first mixed fluid delivery pump discharging opening (43) and the second mixed fluid delivery pump discharging opening (77).
A kind of ring medium ring integral anaerobic fermentation reaction device the most according to claim 1, it is characterized in that, described first homogenate pond (51) and the second homogenate pond (78) the most also include being arranged on homogenate homogenate pond agitating device within pond, and it includes being fixed on and is homogenized the even stock trough agitator bottom pond and fixes base plate (46), can be rotatably mounted at even stock trough agitator guide rod (45) that even stock trough agitator fixes on base plate (46) and can be slidably mounted on the even stock trough agitator (47) on even stock trough agitator guide rod (45).
5. according to a kind of ring medium ring integral anaerobic fermentation reaction device described in claim 1-4, it is characterized in that, described outer shroud fermentation tank (1) also includes multiple outer shroud agitating device being arranged on and being distributed inside outer shroud fermentation tank (1) and along outer shroud fermentation tank (1) circumferencial direction, it includes that base plate (34) fixed by the outer shroud stirring guide rod being fixed on outer shroud fermentation tank (1) bottom, outer shroud agitator guide rod (24) that outer shroud stirring guide rod is fixed on base plate (34) and the outer shroud agitator (25) being slidably mounted on outer shroud agitator guide rod (24) can be rotatably mounted at.
6. according to a kind of ring medium ring integral anaerobic fermentation reaction device described in claim 1-5, it is characterized in that, described internal ring fermentation tank (19) also includes multiple internal ring agitating device being arranged on and being distributed inside internal ring fermentation tank (19) and along internal ring fermentation tank (19) circumferencial direction, it includes that base plate (37) fixed by the internal ring stirring guide rod being fixed on internal ring fermentation tank (19) bottom, internal ring agitator guide rod (15) that internal ring stirring guide rod is fixed on base plate (37) and the internal ring agitator (16) being slidably mounted on internal ring agitator guide rod (15) can be rotatably mounted at；Described internal ring agitating device is positioned between center and its medial wall of internal ring fermentation tank (19).
A kind of ring medium ring integral anaerobic fermentation reaction device the most according to claim 4, it is characterized in that, also include homogenate pond service platform (54) being arranged on homogenate top, pond, for controlling homogenate pond agitating device and as the exit passageway of biogas in homogenate pond.
A kind of ring medium ring integral anaerobic fermentation reaction device the most according to claim 5, it is characterized in that, also include the outer shroud service platform (21) being arranged on outer shroud fermentation tank (1) top, be used for controlling the interior outer shroud agitating device arranged of outer shroud fermentation tank (1) and as the exit passageway of biogas in outer shroud fermentation tank.
A kind of ring medium ring integral anaerobic fermentation reaction device the most according to claim 6, it is characterized in that, also include the internal ring service platform (12) being arranged on internal ring fermentation tank (19) top, be used for controlling the interior internal ring agitating device arranged of internal ring fermentation tank (1) and as the exit passageway of biogas in internal ring fermentation tank.
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