CN203373346U - Anaerobic dry-type fermentation system - Google Patents
Anaerobic dry-type fermentation system Download PDFInfo
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- CN203373346U CN203373346U CN201320221906.7U CN201320221906U CN203373346U CN 203373346 U CN203373346 U CN 203373346U CN 201320221906 U CN201320221906 U CN 201320221906U CN 203373346 U CN203373346 U CN 203373346U
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Abstract
本实用新型提供一种厌氧干式发酵系统，包括发酵罐，在所述发酵罐内设置有过滤装置，所述过滤装置位于所述发酵罐中沼液流动的路径上，还包括储存池（6），储存池（6）的入口、与发酵罐（11）之间通过过滤装置相通，过滤装置设在发酵罐（11）的罐底上，发酵罐（11）的罐底为上宽下窄的锥形斗（1），锥形斗（1）的窄端出口密封，储存池（6）包括裙座（2）和底板（5），裙座（2）包围锥形斗（1），裙座（2）与锥形斗（1）的外壁形成顶部封闭底部敞开的包围空间，底板（5）密封包围空间的底部，以构成储存池（6）的存储空间。把大颗粒物料及杂质截留，避免了现有技术中以未经过滤后的沼液为对象进行输送时出现的堵塞。
The utility model provides an anaerobic dry fermentation system, which comprises a fermenter, and a filtering device is arranged in the fermenting tank, and the filtering device is located on the biogas slurry flow path in the fermenting tank, and also includes a storage tank (6 ), the entrance of the storage tank (6) communicates with the fermenter (11) through a filter device, the filter device is set on the bottom of the fermenter (11), and the bottom of the fermenter (11) is wide at the top and narrow at the bottom The conical bucket (1), the outlet of the narrow end of the conical bucket (1) is sealed, the storage tank (6) includes the skirt (2) and the bottom plate (5), the skirt (2) surrounds the conical bucket (1), The skirt (2) and the outer wall of the tapered bucket (1) form an enclosed space with a closed top and an open bottom, and the bottom plate (5) seals the bottom of the enclosed space to form a storage space for the storage pool (6). The large particle material and impurities are intercepted, which avoids the blockage that occurs when the unfiltered biogas slurry is transported as the object in the prior art.
Description
Technical field
The utility model relates to a kind of anaerobism dry type fermentation system.
Background technology
At present, in prior art as:
Patent 1[CN101200693B] method and apparatus of anaerobic fermentation of organic material
The present invention relates to a kind of method for anaerobic fermentation of organic material, organic materials to be fermented is placed in fermentor tank together with alterant, and move or be moved into its outlet from the entrance of described fermentor tank, thereby described fermented material is removed from described fermentor tank via described outlet, it is characterized in that, alterant is removed and be used as to the part fermented material of a part between described entrance and described outlet via at least returning to opening from described fermentor tank, and the described described fermented material returned between opening and described outlet was still carrying out the secondary fermentation of for some time via described outlet before described fermentor tank is removed.
Patent 2[CN201080460Y] dry-type anaerobic digestion device,
A kind of dry-type anaerobic digestion device of vertical operation, vertical type anaerobic digester tank body is arranged, its top has biogas to efflux mouth, relief valve connection and inspection manhole, bottom is the taper bucket, the end opening that it is characterized in that the taper bucket is communicated with the entrance of by-pass valve control, the outlet of by-pass valve control is communicated with the suitable for reading of feed cycle pump by pipeline, the suitable for reading of feed cycle pump also is communicated with the end opening of hopper by valve, the end opening of feed cycle pump passes through pipeline, valve is communicated with the entrance of the 2-10 root feed pipe stood vertically in the anaerobic digestion tank, the outlet of feed pipe is near the top of anaerobic digestion tank, support is arranged at the bottom of anaerobic digestion tank.During the utility model material handling, solid content can reach 15-40%; Simple in structure, without inner Mixing Machine and movable part, non-maintaining, operational administrative is easy; The anaerobic digestor volume yield rate can reach 5-20M3/M3; Without waste water, produce, without deposition of solids, the airtight waste gas that do not discharge.
Patent 3[CN201284325Y] two-phase inoculation anaerobic dry fermentation apparatus.
A kind of two-phase inoculation anaerobic dry fermentation apparatus that can realize evenly inoculation.Its main body is comprised of material pretreatment pool, dry fermentation device and material-transporting system.The material pretreatment pool comprises Digestive system import, spiral stirrer and mixture outlet, and anaerobic dry fermentation apparatus comprises vertical type anaerobic fermentor tank and the revolution cloth system that is provided with material inlet, methane outlet, Digestive system outlet and the outlet of natural pond slag.The material outlet of material pretreatment pool is connected with the revolution cloth system in anaerobic dry fermentation apparatus by material-transporting system, and the Digestive system import of material pretreatment pool is connected with the outlet of the Digestive system in anaerobic dry fermentation apparatus.Adopt the reflux two-phase inoculation measure of inoculation and the inoculation of revolution cloth of Digestive system, reach the purpose of even inoculation, have simple and reasonablely, fermenting speed is fast, and the high and advantage that produce without waste liquid of natural pond slag fertilizer efficiency, can meet the large-scale production requirement.
Above-mentioned prior art is all to adopt a pipeline directly from fermentation unit internal reflux material, because material fluidity is poor, is difficult to guarantee that the discharging of fermentation unit materials inside is even, is easy to produce the material short circuit problem, more difficultly accomplishes that mixing of materials is even.
The inoculation traditional method has two kinds at present, 1. from anaerobic ferment devices, natural pond liquid is put into to liquid storage tank, and the contamination precipitations such as the solid natural pond slag in the liquid of natural pond are to bottom, and natural pond, top liquid promotes and the fermentation raw material combined inoculation through pump.2. anaerobic ferment devices is equipped with press apparatus, and natural pond liquid is through the press apparatus solid-liquid separation, and the impurity such as solid natural pond slag are trapped and push, and liquid gravity flow in natural pond is with the fermentation raw material combined inoculation or flow automatically to liquid storage tank, then promotes and the fermentation raw material combined inoculation with pump.
Beneficiating ingredient in the liquid of natural pond through pump, promote or the press apparatus extruding after, can reduce and change, as the activity of anaerobism active bacteria can weaken, quantity can reduce, the conditions such as PH and temperature also can change.Can affect the normal yeasting of anaerobic ferment devices when along with fermentation raw material, again entering anaerobic ferment devices.And the backflow inventory for inoculation is large, and energy consumption is high, and cost is high, because the composition of useful inoculation is few.
Discharge port or recycling pipeline or mixing pump etc. in high density, the easy blocking device of oarse-grained material meeting; When material fermentation unit material short circuit problem easily occurs from returning when opening reclaims; When the inconvenient discharging and Dead Core Problems easily occurs when flat of fermentation unit bottom; When being taper, the fermentation unit bottom wasted again the fermentation unit volume; When fermentation unit top arranges spray equipment or water distributor, backflow contains oarse-grained material and easily stops up spray water outlet or water distribution mouth, can not effectively reflux and evenly just can not thoroughly solve the excessive problem of local acidifying with mixing of materials.
The utility model content
For the one or more problems that exist in correlation technique, the purpose of this utility model is to provide a kind of anaerobism dry type fermentation system, large granular materials and impurity can be held back the obstruction of having avoided take in the prior art natural pond liquid after filtered to occur when object is carried.To achieve these goals, the utility model provides a kind of anaerobism dry type fermentation system, comprises fermentor tank, is provided with filtration unit in fermentor tank, and filtration unit is arranged on the mobile path of fermentor tank natural pond liquid.
Preferably, also comprise storage pool, wherein communicate by filtration unit between the entrance of storage pool and fermentor tank, on filtration unit is located at the bottom of the tank of fermentor tank.
Preferably, storage pool and fermentor tank are one.
Preferably, at the bottom of the tank of fermentor tank, be set to flat; Perhaps, at the bottom of the tank of fermentor tank, be taper bucket wide at the top and narrow at the bottom, the narrow mouth that brings out of taper bucket seals.
Preferably, the bevel angle of taper bucket is more than or equal to 0 ° and is less than 90 °.
Preferably, storage pool comprises skirt and base plate, and skirt surrounds the taper bucket, and the outer wall of skirt and taper bucket forms the encirclement space of top seal bottom-open, and wherein, the bottom of base plate sealed packet confining space, to form the storage space of storage pool.
Preferably, storage pool comprises cylindrical shell, the cylinder top of cylindrical shell with flat between be tightly connected, the cylinder end of cylindrical shell, seal to form storage pool, wherein, the filtration unit on being located at the bottom of tank, be arranged in the zone of cylinder top encirclement and communicate with storage pool.
Preferably, filtration unit is filtering head, drain cap, water filtering cap, the filtering net be arranged at the bottom of tank; Perhaps, the filter pore of filtration unit for offering at tank copy for the record or for reproduction body.
Preferably, it is characterized in that, also comprise material mixing device, be arranged on storage pool from head piece, lead to the material inlet of material mixing device from head piece.
Preferably, it is characterized in that, also comprise recycle unit and the spray equipment that is located at top in fermentor tank, wherein, the entrance of recycle unit communicates with storage pool, the entrance of spray equipment is led in the outlet of recycle unit, and the material inlet of material mixing device is communicated with selectively or disconnects with the outlet of recycle unit.
Than prior art, the beneficial effects of the utility model are:
1. be provided with filtration unit on the mobile path of natural pond liquid in fermentor tank.Large granular materials and impurity are held back to the obstruction of having avoided take in the prior art natural pond liquid after filtered to occur when object is carried.
2. utilize the space of skirt, taper bucket and base plate as storage pool, can effectively utilize space, save traditional storage pool construction investment and floor space, can utilize in addition being fixedly connected with between skirt and fermentor tank can realize fermentation system is supported and fixes.
3. storage pool and fermentor tank combine in the mode of integral piece, natural pond liquid can flow automatically to storage pool from fermentor tank, the beneficiating ingredient of the inside is without any reducing and changing, parameter index does not change as PH yet, temperature etc., can guarantee effectively to inoculate with fermentation raw material, is more conducive to start fast fermentation, and energy consumption is low, the tank body calorific loss is few.
4. the natural pond liquid that in storage pool, device obtains after filtering after filtration and fine particle material make in fermentor tank spray equipment or water distributor become practical, the natural pond liquid sprayed can dilute the organic acid of fermentor tank middle and upper part local excessive at once, then can order batch, move down uniformly, carry out the organic acid transmission, for methanobacteria is supplied raw materials.Can regulate pH value like this, homo(io)thermism, mixing of materials is even, has improved factor of created gase.Spray equipment also can break scum silica frost when spraying.
5. in the time of at the bottom of the material inlet of material mixing device is set to lower than the pond of storage pool, in storage pool, natural pond liquid and fine particle material easily flow automatically to material mixing device and inoculate mixing under action of gravity, reduce energy consumption, Cost reduction.
6. the utility model can be so that selection equipment, as recycle unit can use domestic common equipment, and as impeller pump, rotor pump, spiral pump, save rotor pump, the spiral pump of foreign brand name.
The accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section of the utility model anaerobism dry type fermentation system embodiment 1;
Fig. 2 is the working order diagrammatic cross-section of the utility model anaerobism dry type fermentation system embodiment 2;
Fig. 3 is the diagrammatic cross-section of the utility model anaerobism dry type fermentation system embodiment 3.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described.
[embodiment 1]
Referring to Fig. 1, the utility model anaerobism dry type fermentation system, comprise that fermentor tank 11(is shown in Figure 1 for vertical tank) be provided with filtration unit in fermentor tank 11, filtration unit is positioned on the mobile path of fermentor tank 11 natural pond liquid.Because be provided with filtration unit on the mobile path of natural pond liquid in fermentor tank, so just the macrobead residue in proving room, impurity etc. can be held back the obstruction of having avoided take in the prior art natural pond liquid after filtered to occur when object is carried.
Preferably, on the above-mentioned filtration unit of the present invention is arranged at the bottom of the tank of fermentor tank 11, further anaerobism dry type fermentation system of the present invention also comprise with fermentor tank 11 between the storage pool that communicates by filtration unit.Namely, between the entrance of storage pool 6 and fermentor tank 11, by filtration unit, communicate.Preferably, storage pool 6 can be one with fermentor tank 11, that is, storage pool 6 can be connectionless monoblock type, integral type design with fermentor tank 11.
In the present embodiment, at the bottom of the tank of fermentor tank 11, be taper bucket 1 wide at the top and narrow at the bottom, taper bucket 1 narrow bring out a mouthful sealing (or at the bottom of the tank of fermentor tank 11, be set to flat, its will after embodiment 3 in illustrate).
The bevel angle of taper bucket 1 is more than or equal to 0 ° and is less than 90 °; Here the bevel angle of mentioning refers to: the angle (illustrating with α in figure) between the medullary ray of the bus of the periphery wall of taper bucket and taper bucket.
Continuation is referring to Fig. 1, and storage pool 6 comprises skirt 2 and base plate 5.Skirt 2 surrounds taper bucket 1, skirt 2 forms the encirclement space with the outer wall of taper bucket 1, this surrounds the top seal in space and bottom-open, can form the encirclement space that a top and bottom all seal when this unlimited bottom of base plate 5 sealing, the encirclement space of this sealing has formed the storage space of storage pool 6.Obviously, for the situation of above-mentioned taper bucket and skirt, taper bucket 1, skirt 2 and base plate combine and are integrated part.As can be seen from Figure, skirt 2 is in fact the tube structure of both ends open.As a kind of optimal way, taper bucket narrow brings out a mouthful sealing and also can be completed by base plate 5.
Further, filtration unit is the filter pore that fermentor tank 11 tank copy for the record or for reproduction bodies are offered, contrast the present embodiment, filtration unit can be the filter pore of offering on taper bucket 1, for example, (for example the taper bucket 1) at the bottom of tank is set to: steel grating, steel grating form, or be formed with the various difform through holes that can realize filtering function at the bottom of tank, these through holes can be ellipses etc.; In addition, filtration unit can also be mounted in filtering head at the bottom of the hay tank tank, drain cap, water filtering cap, filtering net etc.Should be appreciated that, above-mentioned filtration unit is only preferred embodiment, and other devices that can realize filtering function are equally applicable to the utility model.
[embodiment 2]
Referring to Fig. 2, anaerobism dry type fermentation system of the present utility model can also arrange rinse mouth on the periphery wall of storage pool, for example can on skirt 2, be provided with rinse mouth 3, preferably rinse mouth can be towards filtration unit, when filtering the device obstruction, utilize biogas or nitrogen to rinse by 3 pairs of filtration units of rinse mouth.The particular location of rinse mouth and quantity all should be determined according to the demand in the reality use.Backflow for the natural pond liquid after the filtration that realizes storing in storage pool and fine particle material, anaerobism dry type fermentation system of the present utility model also comprises recycle unit 14 and is arranged on the spray equipment 10 at top in fermentor tank 11, the entrance of recycle unit communicates with storage pool 6, and the entrance of spray equipment is led in the outlet of recycle unit.Here this paths of entrance that the outlet of recycle unit is led to spray equipment is defined as the first path, also is provided with the first valve 12 on the first path, in figure, the pipeline be communicated with between recycle unit and storage pool is indicated with mark 15.The natural pond liquid that in storage pool 6, fermentation forms, under the effect of recycle unit, can enter spray equipment along the first path, be spilled into fermentor tank by spray equipment, the natural pond liquid sprayed can dilute the organic acid of top local excessive at once, then can order batch, move down uniformly, carry out the organic acid transmission, for methanobacteria is supplied raw materials.Can regulate pH value like this, homo(io)thermism, mixing of materials is even, has improved factor of created gase, has improved fermentation efficiency.And the natural pond liquid that fermentation produces can flow into storage pool 6 by filtration unit, with this, form the circulation of natural pond liquid.Owing to by filtration unit, the entrance of storage pool 6 being communicated with fermentor tank 11, the natural pond liquid in storage pool 6, through filtering, does not exist or seldom exists macrobead residual material or impurity, guarantees the unimpeded of path, avoids stopping up.Above-mentioned recycle unit is pump preferably, as impeller pump, and rotor pump, spiral pump.
Further, the utility model anaerobism dry type fermentation system also comprises material mixing device 18, and material mixing device 18 is for mixing material to be fermented, and by feeding device 17, these materials is sent into to fermentor tank.Preferably, at the bottom of the pond of the material inlet of material mixing device 18 lower than storage pool 6.In addition, the outlet of recycle unit also disconnects with the selectable connected sum of the entrance of material mixing device 18, and this paths is defined as to the second path, valve 13 can be set and realize that so-called optional connected sum disconnects; Corresponding to above-mentioned the first and second paths, also there is the Third Road footpath, the entrance from head piece and material mixing device 18 be communicated with on storage pool 6 by return line 16.Natural pond liquid in storage pool 6 by second or the Third Road footpath flow into material mixing device 18, treat the material inoculation of fermentation, fermentation capacity after improving, these materials that are mixed with natural pond liquid enter fermentor tank 11 by feeding device 17, certainly, on fermentor tank 11, the material inlet device 9 be communicated with feeding device 17 is set, from the material of feeding device 17, by this material inlet device 9, enter in fermentor tank.Preferably, the material inlet of material mixing device 18 can the pond higher than storage pool 6 at the bottom of, but not higher than storage pool 6 tops.When the material inlet liquid level difference of storage pool 6 natural pond liquid liquid levels and material mixing device 18 can overcome resistance of ducting loss, natural pond liquid by storage pool 6 in head piece flows automatically to material mixing device 18; Along with liquid level reduces, liquid level difference diminishes, and can not flow automatically, and by above-mentioned recycle unit, realizes that natural pond liquid arrives material mixing device.
In addition, slag notch 4, the sewage draining exit 7 while cleaning storage pool 6, the maintenance of discharging for residue in proving room can also be set in anaerobism dry type fermentation system, clear up the artificial admission port 8 of fermentation system etc.Preferably, from the position of head piece higher than the position of sewage draining exit 7.Should be appreciated that, embodiment 2 can implement on the basis of embodiment 1.
[embodiment 3]
With embodiment 1, compare, the difference of embodiment 3 is: at the bottom of the tank of fermentor tank 11, be flat 101, and flat referring to here: the direction flowed downward perpendicular to the interior material of fermentor tank 11 at the bottom of the tank of fermentor tank 11; Also can be understood as, the bevel angle of mentioning in embodiment 1 is 0 °.Embodiment 2 can implement equally on the basis of embodiment 3.
Corresponding to the difference at the bottom of tank, change has also occurred in the structure of storage pool 6, and referring to Fig. 3, storage pool 6 comprises cylindrical shell, the cylinder top of cylindrical shell with at the bottom of tank between be tightly connected, an end, seal to form storage pool 6.Obviously, now in order to make fermentor tank 11 communicate with the entrance of storage pool 6 by filtration unit, filtration unit should be arranged in the enclosing region on cylinder top.Preferably, for above-mentioned be flat situation at the bottom of forming storage pool and tank with cylindrical shell, cylindrical shell, fermentor tank are combined together to form and are integrated part.
Compare with embodiment 1, equally rinse mouth 3 can be set.Wherein corresponding adjustment should be made with comparing in embodiment 1 in the position of slag notch setting, to facilitate to slag tap, is as the criterion, and its particular location is not shown in Fig. 3.It is identical with embodiment 1 that other do not state part.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
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| CN201320221906.7U CN203373346U (en) | 2013-04-26 | 2013-04-26 | Anaerobic dry-type fermentation system |
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| CN201320221906.7U CN203373346U (en) | 2013-04-26 | 2013-04-26 | Anaerobic dry-type fermentation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105441317A (en) * | 2016-01-07 | 2016-03-30 | 江苏省农业科学院 | High-concentration continuous dynamic anaerobic fermentation device for multiple materials and its application |
| CN106336257A (en) * | 2016-08-08 | 2017-01-18 | 北京农业智能装备技术研究中心 | Organic liquid fertilizer fermentation system and application thereof |
| CN108342296A (en) * | 2018-03-09 | 2018-07-31 | 中国科学院广州能源研究所 | A kind of continous way dry method anaerobic reactor handling on-fluent raw material |
| CN111807618A (en) * | 2020-07-10 | 2020-10-23 | 见嘉环境科技（苏州）有限公司 | Integrated sewage MBR treatment device and use method thereof |
| CN113337375A (en) * | 2021-05-31 | 2021-09-03 | 云南赤水源酒业有限责任公司 | Fermentation tank, fermentation tank system and fermentation tank control method |
-
2013
- 2013-04-26 CN CN201320221906.7U patent/CN203373346U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105441317A (en) * | 2016-01-07 | 2016-03-30 | 江苏省农业科学院 | High-concentration continuous dynamic anaerobic fermentation device for multiple materials and its application |
| CN105441317B (en) * | 2016-01-07 | 2017-10-27 | 江苏省农业科学院 | For the continuous dynamic anaerobic ferment devices of multi-element material high concentration and its application |
| CN106336257A (en) * | 2016-08-08 | 2017-01-18 | 北京农业智能装备技术研究中心 | Organic liquid fertilizer fermentation system and application thereof |
| CN106336257B (en) * | 2016-08-08 | 2020-02-14 | 北京农业智能装备技术研究中心 | Organic liquid fertilizer fermentation system and application |
| CN108342296A (en) * | 2018-03-09 | 2018-07-31 | 中国科学院广州能源研究所 | A kind of continous way dry method anaerobic reactor handling on-fluent raw material |
| CN108342296B (en) * | 2018-03-09 | 2021-04-27 | 中国科学院广州能源研究所 | Continuous dry process anaerobic reactor capable of treating non-fluidized raw materials |
| CN111807618A (en) * | 2020-07-10 | 2020-10-23 | 见嘉环境科技（苏州）有限公司 | Integrated sewage MBR treatment device and use method thereof |
| CN113337375A (en) * | 2021-05-31 | 2021-09-03 | 云南赤水源酒业有限责任公司 | Fermentation tank, fermentation tank system and fermentation tank control method |
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