CN104694379A - Device for improving uniform distribution of strains for multi-region annular ultra-efficient biogas fermentation system - Google Patents
Device for improving uniform distribution of strains for multi-region annular ultra-efficient biogas fermentation system Download PDFInfo
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Abstract
The invention discloses a device for improving uniform distribution of strains for a multi-region annular ultra-efficient biogas fermentation system. The device comprises a feeding pipe, a discharging pipe, a fermentation pipeline and a water pressure chamber, wherein the feeding pipe and the discharging pipe are respectively vertically inserted into two sides of a partition board, and side walls of the feeding pipe and the discharging pipe extend to positions below biogas slurry level of the annular fermentation pipeline; a feeding pipe draining pipe is connected between the water pressure chamber and the feeding pipe, a discharging pipe draining pipe is connected between the water pressure chamber and the discharging pipe, at least one air baffle is arranged in the annular fermentation pipeline, each fermentation region is formed between every two adjacent air baffles, air guide pipes are arranged on the tops of the fermentation regions, and valve bodies are arranged on the air guide pipes.
Description
Technical field
The present invention relates to a kind of novel energy generating unit, particularly the fermentation system of technical field of methane.
Background technology
Hydraulic type biomass pool type has following advantage: (1) pond body structure stress performance is good, and makes full use of the supporting capacity of soil, so labor and material saving, cost compare is low; (2) be suitable for loading multiple fermentation raw material, particularly a large amount of crop materials, very favourable to rural area collected manure; (3) for ease of frequent charging, lavatory, pigsty can be built in above methane-generating pit, and ight soil can be swept at any time into pond; (4) all contact with soil around methane-generating pit, body insulation in pond is had certain effect.
Hydraulic type biomass pool is not owing to having whipping appts, and in pond, scum silica frost easily crusts, and is difficult to fragmentation again, so the utilization ratio of fermentation raw material is not high, it is on the low side that pond holds factor of created gase (i.e. every cubic metre of circadian gas production rate of pool volume).
Summary of the invention
Technical problem to be solved by this invention is, traditional methane fermentation system fermentative routes is short, and natural pond liquid poor fluidity causes bacterial classification uneven and easily crust respectively, and it is thorough etc. to cause fermentation raw material to ferment.
For solving the technical problem existed in prior art, the technical solution used in the present invention is.
Multizone annular ultra-high efficiency methane fermentation system promotes the equally distributed device of bacterial classification, it comprises feed-pipe, discharge nozzle, fermentation pipeline, water pressure house, fermentation pipeline is annular fermentation pipeline, water pressure house is positioned over annular fermentation pipeline top, annular fermentation pipeline is provided with opening, the center position of this opening is provided with the dividing plate extending to annular fermentation duct bottom, the both sides of vertical insertion dividing plate distinguished by feed-pipe and discharge nozzle, and the sidewall of feed-pipe and discharge nozzle extends to the natural pond liquid liquid level of annular fermentation pipeline with upper/lower positions; Feed-pipe water shoot is connected with between water pressure house and feed-pipe, discharge nozzle water shoot is connected with between water pressure house and discharge nozzle, a gas block panel is at least provided with in annular fermentation pipeline, a fermentation zone is formed between adjacent gas block panel, the top of fermentation zone is provided with independently airway, and airway is provided with valve body; Fermentation system also comprises cloth bacterium device, cloth bacterium device comprises water shoot, cloth tube road, cloth bacterium hole, water shoot is connected with water pressure house, cloth tube road is annular, cloth tube road is fixed on annular fermentation pipeline inner side-wall, cloth tube road adapts with the shape of the annular pipeline that ferments, and cloth tube road is provided with the cloth bacterium hole that multiple vertical direction runs through; Feed-pipe water shoot is provided with the check valve controlling liquid unidirectional inflow feed-pipe in natural pond in water pressure house, the water shoot of cloth bacterium device is provided with the check valve controlling liquid unidirectional inflow water pressure house in natural pond in annular fermentation tube road, discharge nozzle water shoot is provided with the check valve controlling liquid unidirectional inflow water pressure house in natural pond in discharge nozzle; Feed-pipe water shoot and water pressure house link position place are positioned at the extreme lower position of water pressure house, and the horizontal plane at discharge nozzle water shoot lower-most point place is lower than the horizontal plane at the water shoot of cloth bacterium device and the lower-most point place of water pressure house link position.
The further improvement of such scheme.
Cloth tube road is fixed with multiple water shoot be connected with water pressure house; Cloth tube is promoted, and the effect of natural pond liquid flowing is more remarkable, and the natural pond liquid at each position is brought in water pressure house in the pipeline that can effectively annular be fermented, and the natural pond liquid stored in water pressure house can be back to more uniformly each position in annular fermentation pipeline.
The further improvement of such scheme.
Feed-pipe and discharge nozzle deeply the annular length of fermenting in pipeline are no more than 2/3rds of annular fermentation internal diameter of the pipeline; The projecting length of the first gas block panel and the second gas block panel in the vertical direction is no more than 2/3rds of annular fermentation internal diameter of the pipeline.
The further improvement of such scheme.
The length that first gas block panel and the second gas block panel go deep into natural pond liquid is less than feed-pipe and discharge nozzle sidewall and deeply ferments the length of the natural pond liquid in pipeline.
The further improvement of such scheme.
Be provided with two gas block panels in annular fermentation pipeline, in annular fermentation pipeline, form three fermentation zones; Utilize the draught head of each fermentation zone fermentation efficiency difference and the different generation of gas production rate, the flowing of promotion natural pond liquid and being uniformly distributed of bacterial classification.
The further improvement of such scheme.
Water pressure house top adopts sealed structure, and water pressure house top is provided with the airway be communicated with air; Prevent external impurities from falling into water pressure house, can ensure that water pressure house internal gas pressure is consistent with external pressure by airway.
Multizone annular ultra-high efficiency methane fermentation system promotes the method that the equally distributed device of bacterial classification produces biogas, and its step is:
A, fermentation raw material is poured in feed-pipe, annular fermentation pipeline in by formed between entry/exit material pipe sidewall and gas block panel the fermentation zone formed between fermentation zone or adjacent gas block panel produce biogas time, promote natural pond liquid and flow to adjacent fermentation zone, and push in feed-pipe, discharge nozzle and cloth bacterium device; During the long-pending full biogas in fermentation zone, continue the biogas that fermentation produces and flow in adjacent long-pending not full fermentation zone, until each fermentation zone is interconnected; When annular fermentation ducted natural pond liquid liquid level reaches feed-pipe or discharge nozzle sidewall extreme lower position, the biogas continuing fermentation generation overflows and enters in air from fermentation system;
Produce in process of methane in B, annular fermentation pipeline, in feed-pipe, discharge nozzle and cloth bacterium device, natural pond liquid liquid level constantly rises, first pass through discharge nozzle water shoot by the unidirectional inflow water pressure house of natural pond liquid in fermentation pipeline, when the natural pond liquid liquid level stored in water pressure house reaches the water shoot extreme lower position of cloth bacterium device, and by the water shoot of cloth bacterium device by the unidirectional inflow water pressure house of natural pond liquid in fermentation pipeline;
C, when using the airway at any one top, fermentation zone externally to export biogas, biogas space in this fermentation zone reduces, adjacent fermentation zone is to conveying natural pond, the fermentation zone liquid using biogas, the natural pond liquid stored in water pressure house is back in annular fermentation pipeline by feed-pipe water shoot is unidirectional, and the natural pond liquid of water pressure house backflow supplements the biogas space of reducing in annular fermentation tube road;
D, re-use the biogas stored in remaining fermentation zone;
E, ceaselessly generation biogas and use biogas, so circulate.
The progress that the present invention compared with prior art obtains and advantage are, the present invention adopts annular fermentation system, and fermentative routes is long, ensure that fermentation fully; By multiple gas block panel, fermentation system is divided into multiple fermentation zone, utilizes draught head, promote the flowing of natural pond liquid, bacterial classification, fermentation raw material, improve fermentation efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is perspective view of the present invention.
Fig. 2 is the annexation figure of feed-pipe of the present invention and discharge nozzle and fermentation pipeline.
Fig. 3 is gas block panel installation site figure in fermentation pipeline of the present invention.
Fig. 4 is cloth bacterium device perspective view of the present invention.
Fig. 5 is the structural representation that cloth bacterium device of the present invention is more optimized.
Fig. 6 is the annexation figure of cloth bacterium device of the present invention and fermentation pipeline.
Be denoted as in figure: 10, feed-pipe; 20, discharge nozzle; 30, ferment pipeline; 301, the first fermentation zone; 302, the second fermentation zone; 303, the 3rd fermentation zone; 32, the first gas block panel; 34, the second gas block panel; 36, airway; 40, water pressure house; 42, discharge nozzle water shoot; 44, feed-pipe water shoot; 46, vapor pipe; 50, cloth bacterium device; 51, water shoot; 52, cloth tube road; 53, cloth bacterium hole.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, all belongs to scope.
As Fig. 1, shown in 2, multizone annular ultra-high efficiency methane fermentation system promotes the equally distributed device of bacterial classification, it is by feed-pipe 10, discharge nozzle 20, annular fermentation pipeline 30 and water pressure house 40 form fermentation system main body, annular fermentation pipeline 30 horizontal positioned, water pressure house 40 is positioned over annular fermentation pipeline 30 top, annular fermentation pipeline 30 is provided with opening, and the center position of this opening is provided with the dividing plate extended to bottom annular fermentation pipeline 30, this dividing plate pipeline 30 that annular fermented is separated, the both sides of vertical insertion dividing plate distinguished by feed-pipe 10 and discharge nozzle 20, and the sidewall of feed-pipe 10 and discharge nozzle 20 extends to the natural pond liquid liquid level of annular fermentation pipeline 30 with upper/lower positions, the sidewall of feed-pipe 10 and the sidewall of discharge nozzle 20 replace existing feed-pipe gas block panel and discharge nozzle gas block panel respectively, feed-pipe 10 and discharge nozzle 20 adopt dismountable mode of connection with the annular pipeline 30 that ferments, convenient transport and convenient installation, and instead of existing feed-pipe gas block panel and discharge nozzle gas block panel, decrease the difficulty of processing.
As shown in Figure 1, 2, between water pressure house 40 and feed-pipe 10, be connected with feed-pipe water shoot 44, between water pressure house and discharge nozzle 20, be connected with discharge nozzle water shoot 42; The fermentation raw material that this fermentation unit adopts can be animal excrement, stalk etc., fermentation raw material is poured in fermentation system, in annular fermentation pipeline 30, fermentation produces biogas, biogas occupies space in fermentation pipeline 30, and natural pond liquid annular fermented in pipeline 30 is squeezed in water pressure house 40 by feed-pipe water shoot 44 and discharge nozzle water shoot 42; When biogas air pressure in annular fermentation pipeline 30 reduces, the natural pond liquid stored in water pressure house 40 is also back in annular fermentation pipeline by feed-pipe water shoot 44 and discharge nozzle water shoot 42, completes circulating of natural pond liquid.
Annular fermentation pipeline 30 is communicated with multiple airway 36; Preferred employing two airways 36, and opening and closing airway being provided with valve body controls airway; Prevent one of them airway from blocking, another airway normally can export biogas; Water pressure house 40 top adopts sealed structure, and water pressure house 40 top is communicated with a vapor pipe 46, and vapor pipe 46 is communicated with ambient atmosphere, ensures that water pressure house 40 internal gas pressure is consistent with ambient atmosphere.
The natural pond liquid recycle stream of existing methane fermentation system moves whipping performance difference, not only easily crusts, and often causes the bacterial classification in fermentation system uneven respectively, directly causes the fermentation efficiency of fermentation system low; The present invention adopts following several different embodiment, promotes that natural pond liquid circulates stirring in whole fermentation system.
The first embodiment.
Annular fermentation pipeline 30 is provided with the first gas block panel 32 and the second gas block panel 34, the first fermentation zone 301 is formed between first gas block panel 32 and feed-pipe 10, formed between first gas block panel 32 and the second gas block panel 34 between second fermentation zone 302, second gas block panel 34 and discharge nozzle 20 and form the 3rd fermentation zone 303; For ensureing that fermentation raw material, natural pond slag, natural pond liquid etc. can smoothly by annular fermentation pipelines, feed-pipe 10 and discharge nozzle 20 length goed deep in annular fermentation pipeline 30 is no more than 2/3rds of annular fermentation pipeline 30 internal diameter; The projecting length of the first gas block panel 32 and the second gas block panel 34 in the vertical direction is no more than 2/3rds of annular fermentation internal diameter of the pipeline; First fermentation zone 302, fermentation zone 301, second and the 3rd top, fermentation zone 303 are respectively arranged with airway 36, are not communicated with between airway 36, and independent externally output biogas prevents from realizing biogas convection current by airway 36 between each fermentation zone.
Due to the factor such as fermentation raw material skewness, strains'distribution be uneven, each fermentation zone fermentation efficiency in annular fermentation pipeline 30 can be caused different, thus directly cause gas production rate different, produce in fermentation zone in process of methane, can extrude natural pond liquid liquid level to move downward, and promote that natural pond liquid flows to adjacent fermentation zone, natural pond liquid drives the flowing of bacterial classification and fermentation raw material in flow process, thus promote being uniformly distributed of bacterial classification and fermentation raw material, improve the fermentation efficiency of whole fermentation system.
When the length that the first gas block panel 32 and the second gas block panel 34 go deep into natural pond liquid be less than feed-pipe 10 and discharge nozzle 20 sidewall deeply ferment the length of the natural pond liquid in pipeline time, for the first fermentation zone 301, first fermentation zone 301 produces biogas and gathers at the first top, fermentation zone 301, the natural pond liquid extruded in the first fermentation zone 301 flows downward and flows in the second adjacent fermentation zone 302, promote the flowing of natural pond liquid, and promote fermentation raw material and bacterial classification being uniformly distributed in fermentation pipeline, the flowing whipping performance of natural pond liquid is strong, effectively prevents encrustation phenomena, when biogas in the first fermentation zone 301 amasss full, natural pond liquid liquid level bottom first fermentation zone 301 reaches the first gas block panel 32 lowest point, the biogas continuing in first fermentation zone 301 to produce will flow in the second fermentation zone 302 by the first gas block panel 32 bottom position, until amass full biogas in the second fermentation zone 302 and the 3rd fermentation zone 303, realize the intercommunication of the first fermentation zone 301 and the second fermentation zone 302 and the 3rd fermentation zone 303, when the natural pond liquid continuing to produce exceedes the store content between feed-pipe 10 and discharge nozzle 20, namely when liquid liquid level in natural pond reaches feed-pipe 10 and discharge nozzle 20 extreme lower position, it is outside that the unnecessary biogas continuing to produce will flow into fermentation system by feed-pipe 10 and discharge nozzle 20 sidewall, ensure the security of fermentation system, produce in process of methane in the first fermentation zone 302, fermentation zone 301, second and the 3rd fermentation zone 303, the natural pond liquid discharged all flows in water pressure house 40 by feed-pipe water shoot and discharge nozzle water shoot, when externally exporting biogas by the airway 36 at the first top, fermentation zone 301, biogas air pressure in first fermentation zone 301 is declined, natural pond liquid, natural pond slag etc. in the natural pond liquid stored in water pressure house 40 and the second fermentation zone 302 all can flow in the first fermentation zone 301, again promote that the flowing of natural pond liquid is stirred.
When the length that the first gas block panel 32 and the second gas block panel 34 go deep into natural pond liquid be greater than feed-pipe 10 and discharge nozzle 20 sidewall deeply ferment the length of the natural pond liquid in pipeline time; Compared with above-mentioned scheme, it can promote the flowing of natural pond liquid, natural pond slag and fermentation raw material equally, but the shortcoming compared with above-mentioned scheme is, when in the first fermentation zone 301 or the 3rd fermentation zone 303, gas production rate is larger, the first long-pending full biogas in first fermentation zone 301 or the 3rd fermentation zone 303, the biogas continuing to produce is not by flowing into adjacent fermentation zone bottom gas block panel, but to be run in fermentation its exterior by feed-pipe 10 sidewall and discharge nozzle 20 straight wall, effectively can not utilize the storage space of biogas.
The second embodiment.
As shown in Figure 1, 2, discharge nozzle water shoot 42 is provided with and controls the check valve of natural pond liquid from the unidirectional inflow water pressure house 40 of discharge nozzle 20, feed-pipe water shoot 44 is provided with and controls the check valve of natural pond liquid from the unidirectional inflow feed-pipe 10 of water pressure house 40; Natural pond liquid in annular fermentation pipeline 30 flows in water pressure house 40 process, and the check valve that feed-pipe water shoot 44 is arranged can only flow into water pressure house 40 by discharge nozzle water shoot 42 under controlling; The less natural pond liquid of bacteria containing amount near feed-pipe 10 does not flow into water pressure house 40, and can prevent the fermentation raw material in feed-pipe 10 from flowing in water pressure house 40, and the natural pond liquid near the discharge nozzle 20 that bacteria containing amount can only be enriched flows into water pressure house 40; When water pressure house 40 is back in annular fermentation pipeline 30, the natural pond liquid that bacteria containing amount is abundant is brought in feed-pipe 10.
Natural pond liquid bacteria containing amount near discharge nozzle 20 enriches, and the natural pond liquid bacteria containing amount near feed-pipe 10 is less relative to the natural pond liquid bacteria containing amount near discharge nozzle 20; Natural pond liquid in discharge nozzle 20 flows in water pressure house 40 process, and in annular fermentation pipeline 30, natural pond liquid flowing is stirred, and impels being uniformly distributed of fermentation raw material and bacterial classification, the natural pond liquid containing the natural pond liquid that bacterium is more is less with bacteria containing amount is mixed; When natural pond liquid in water pressure house 40 is back in annular fermentation pipeline 30, natural pond liquid in water pressure house 40 can only be back to annular fermentation pipeline by feed-pipe water shoot 44, in the reflux course of natural pond liquid, promote that the fermentation raw material near feed-pipe 10 is ducted being uniformly distributed of fermenting, and more bacterial classification is brought in feed-pipe 10, promote bacterial classification being uniformly distributed in annular fermentation pipeline.
The third embodiment.
As shown in Fig. 1,4,5, fermentation system also comprises cloth bacterium device 50, cloth bacterium device 50 comprises water shoot 51, cloth tube road 52, cloth bacterium hole 53, water shoot 51 is connected with water pressure house 40, cloth tube road 52 is annular, cloth tube road 52 is fixed on annular fermentation pipeline 30 inner side-wall, cloth tube road 52 adapts with the shape of the annular pipeline 30 that ferments, cloth tube road 52 is provided with the cloth bacterium hole 53 that multiple vertical direction runs through, cloth bacterium hole 53 in the vertical direction runs through, and it can prevent fermentation raw material and impurity inflow from wherein resulting in blockage.
When biogas air pressure in annular fermentation pipeline 30 increases, natural pond liquid in annular fermentation pipeline 30 can pass through cloth tube road 52, water shoot 51 flows in water pressure house 40, because cloth tube road 52 and annular pipeline 30 shape of fermenting adapt, can the natural pond liquid of each position in fermentation pipeline 30 be flowed in water pressure house 40 by cloth tube road 52, during the natural pond liquid backflow stored in water pressure house 40, also can be back in annular fermentation pipeline 30 by cloth bacterium device 50, the natural pond liquid stored in water pressure house 40 can be uniformly distributed in each position of annular fermentation pipeline 30 by cloth bacterium device 50, significantly improve the flowing property of natural pond liquid in annular fermentation pipeline 30, and crust can be prevented, and promote bacterial classification being uniformly distributed in annular fermentation pipeline 30.
As shown in Fig. 1,3,4, when the 4th kind of embodiment combines with the first embodiment and use, cloth tube road 52 needs the horizontal plane lower than the first gas block panel 38 lower-most point place; Preferably, cloth tube road 52 top vertex and the first gas block panel 38 lower-most point are positioned on same horizontal plane; The first embodiment adopts independently fermentation zone to produce the flowing promoting natural pond liquid in process of methane, and cloth tube road 52 will affect the effect of the first embodiment higher than the first gas block panel 38; And combine with the first embodiment, utilize the mobility of natural pond liquid, the obstruction in cloth tube road 52 can be prevented.
As shown in Figure 5, cloth tube road 52 is fixed with multiple water shoot 51 be connected with water pressure house 40, cloth tube 50 is promoted, and the effect of natural pond liquid flowing is more remarkable, and the natural pond liquid at each position is brought in water pressure house 40 in the pipeline 30 that can effectively annular be fermented, and the natural pond liquid stored in water pressure house 40 can be back to more uniformly each position in annular fermentation pipeline 30.
4th kind of embodiment.
4th kind of embodiment improves on the third embodiment basis, be with the difference of the third embodiment, the horizontal plane at water shoot 51 horizontal positioned of cloth bacterium device 50 and water shoot 51 and the lower-most point place of water pressure house 40 link position is lower than the horizontal plane at feed-pipe water shoot 44 and discharge nozzle water shoot 42 lower-most point place, and the lower-most point of feed-pipe water shoot 44 and discharge nozzle water shoot 42 is positioned at same level; Discharge nozzle water shoot 42 is provided with and controls the check valve of natural pond liquid from the unidirectional inflow water pressure house 40 of discharge nozzle 20, feed-pipe water shoot 44 is provided with and controls the check valve of natural pond liquid from the unidirectional inflow feed-pipe 10 of water pressure house 40.
When the biogas air pressure in annular fermentation pipeline 30 increases, promoting natural pond liquid first flows in water pressure house by cloth bacterium device 50, cloth bacterium device 50 extends to each position in annular fermentation pipeline 30, when natural pond liquid flows into water pressure house 40 by cloth bacterium device 50, can promote that liquid flowing in annular fermentation pipeline 30 in natural pond is stirred efficiently, promote that bacterial classification is uniformly distributed; When the natural pond liquid liquid level in water pressure house 40 rises to feed-pipe water shoot 44 and discharge nozzle water shoot 42 its lowest position, natural pond liquid in annular fermentation pipeline 30 flows in water pressure house by discharge nozzle water shoot 42 and cloth bacterium device 50, liquid flow range in whole fermentation system in natural pond is large, and flowing mixing effect is good; In water pressure house 40 store natural pond liquid be back to annular fermentation pipeline 30 in time, by the inflow feed-pipe that feed-pipe water shoot is unidirectional and by cloth bacterium device be back to annular fermentation pipeline 30 in; The natural pond liquid that bacteria containing amount is abundant is evenly distributed in annular fermentation pipeline 30.
Its beneficial effect is: the flowing whipping performance of natural pond liquid is good, during the natural pond liquid backflow stored in water pressure house 40, the natural pond liquid being rich in bacterial classification can be brought into feed-pipe 10 and be distributed in fermentation pipeline by cloth bacterium device 50, promote being uniformly distributed of bacterial classification, flow into the natural pond liquid in feed-pipe 10, can promote that fermentation raw material gos deep into fermentation system inside, promote being uniformly distributed of fermentation raw material, further raising fermentation efficiency, improves gas production rate.
5th kind of embodiment.
5th kind of embodiment improves on the third embodiment basis, be with the difference of the third embodiment, the horizontal plane at water shoot 51 horizontal positioned of cloth bacterium device 50 and water shoot 51 and the lower-most point place of water pressure house 40 link position is higher than the horizontal plane at feed-pipe water shoot 44 and discharge nozzle water shoot 42 lower-most point place, and the lower-most point of feed-pipe water shoot 44 and discharge nozzle water shoot 42 is positioned at same level; Discharge nozzle water shoot 42 is provided with and controls the check valve of natural pond liquid from the unidirectional inflow water pressure house 40 of discharge nozzle 20, feed-pipe water shoot 44 is provided with and controls the check valve of natural pond liquid from the unidirectional inflow feed-pipe 10 of water pressure house 40.
4th kind of embodiment is compared with the 5th kind of embodiment, the advantage of the 4th kind of embodiment is, when air pressure in annular fermentation pipeline 30 increases, mainly through cloth bacterium device 50, by annular, the natural pond liquid fermented in pipeline 30 flows into water pressure house 40, compared with the 5th kind of embodiment, the natural pond liquid mobility of the 4th kind of embodiment is better; The advantage of the 5th kind of embodiment is, when air pressure in annular fermentation pipeline 30 increases, first by discharge nozzle water shoot 42, by annular, the natural pond liquid fermented in pipeline 30 enters in water pressure house 40, the natural pond liquid being rich in bacterial classification near discharge nozzle 20 is made to flow in water pressure house, when water pressure house 40 refluxes, being uniformly distributed of bacterial classification can be promoted, so, 5th kind of embodiment is compared with the 4th kind of embodiment, and the 5th kind of embodiment lays particular emphasis on and promote being uniformly distributed of bacterial classification.
6th kind of embodiment.
The basis of the third embodiment is improved, feed-pipe water shoot 44 is provided with the check valve controlling liquid unidirectional inflow feed-pipe 10 in natural pond in water pressure house 40, the water shoot 51 of cloth bacterium device 50 is provided with the check valve controlling liquid unidirectional inflow water pressure house 40 in natural pond in annular fermentation tube road 30, discharge nozzle water shoot 42 is provided with the check valve controlling liquid unidirectional inflow water pressure house 40 in natural pond in discharge nozzle 20.
When biogas air pressure increases in annular fermentation pipeline 30, promote natural pond liquid in annular fermentation tube road 30 and flow in water pressure house 40 by cloth bacterium device 50 and discharge nozzle water shoot 42; When in annular fermentation pipeline 30, biogas air pressure declines, under the control of check valve, the natural pond liquid in water pressure house 40 can only be flowed in feed-pipe by feed-pipe water shoot, and promotes fermentation raw material and go deep into fermentation system inside; Its beneficial effect is: the natural pond liquid that near feed-pipe 10, bacteria containing amount is less and fermentation raw material can not flow into water pressure house 40, prevent latch up phenomenon; Natural pond liquid in annular fermentation pipeline 30 flows in water pressure house 40 by cloth bacterium device 50 and discharge nozzle water shoot 42, the flowing property of natural pond liquid in fermentation pipeline 30 is promoted by cloth bacterium device 50, promote that the flowing of natural pond liquid is stirred, and the natural pond liquid that bacteria containing amount is abundant is brought in water pressure house 40; The natural pond liquid stored in water pressure house 40 can only be back in feed-pipe 10 by feed-pipe water shoot 44, is brought in feed-pipe 10 by more bacterial classification, and the fermentation raw material promoted near feed-pipe 10 flows into fermentation system inside, improves fermentation efficiency.
7th kind of embodiment.
The basis of the third embodiment is improved, the water shoot 51 of cloth bacterium device 50 is provided with the unidirectional check valve flowed in annular fermentation pipeline 30 of the natural pond liquid controlled in water pressure house 40, feed-pipe water shoot 44 is provided with the check valve controlled in water pressure house 40 in the unidirectional inflow feed-pipe 10 of natural pond liquid, discharge nozzle water shoot 42 is provided with the check valve in the unidirectional inflow water pressure house 40 of natural pond liquid controlled in discharge nozzle 20.
When biogas air pressure in annular fermentation pipeline 30 increases, the natural pond liquid promoted in annular fermentation tube road 30 flows in feed-pipe 10 and discharge nozzle 20, due to feed-pipe water shoot 44 being provided with check valve, natural pond liquid can only flow into water pressure house by discharge nozzle water shoot 42, because the natural pond liquid near discharge nozzle 20 contains a large amount of bacterial classifications, thus a large amount of bacterial classifications can be brought in water pressure house 40, when annular fermentation pipeline 30 externally exports biogas, annular fermentation pipeline 30 internal gas pressure declines, make the natural pond liquid backflow in water pressure house 40, natural pond liquid in water pressure house 40 can only be back in annular fermentation pipeline 30 by feed-pipe water shoot 44 and cloth bacterium device 50, the natural pond fluid strain rich content stored in water pressure house 40, when being back to feed-pipe 10 by feed-pipe water shoot 44, not only a large amount of bacterial classifications can be brought near feed-pipe, and the fermentation raw material that can promote near feed-pipe 10 gos deep into fermentation system inside, be back in annular fermentation pipeline 30 by cloth bacterium device 50, a large amount of bacterial classifications can be distributed in uniformly each position in fermentation system, promote that bacterial classification is ducted being uniformly distributed of fermenting, improve fermentation efficiency and gas production rate.
8th kind of embodiment.
The basis of the 6th kind of embodiment is improved, feed-pipe water shoot 44 and water pressure house 40 link position place are positioned at the extreme lower position of water pressure house 40, the water shoot 51 of horizontal plane lower than cloth bacterium device 50 and the horizontal plane at the lower-most point place of water pressure house 40 link position at discharge nozzle water shoot 42 lower-most point place.
When biogas air pressure in annular fermentation pipeline 30 increases, the natural pond liquid promoted in annular fermentation tube road flows to feed-pipe 10, in discharge nozzle 20 and cloth bacterium device 50, under the control of check valve, natural pond liquid in annular fermentation pipeline is first by the unidirectional inflow water pressure house of discharge nozzle water shoot, because the natural pond liquid bacteria containing amount near discharge nozzle 20 enriches, thus make the natural pond liquid bacteria containing amount of storage in water pressure house 40 higher, when natural pond liquid liquid level in water pressure house rises to the horizontal plane at water shoot 51 lower-most point place of cloth bacterium device 50, natural pond liquid in annular fermentation pipeline 30 just can by the unidirectional inflow water pressure house 40 of cloth bacterium device 50, when externally exporting biogas by airway 36, biogas air pressure in annular fermentation pipeline 30 reduces, the natural pond liquid in water pressure house 40 is impelled to be back in annular fermentation pipeline 30, under the control of check valve, the natural pond liquid stored in water pressure house can only be back in annular fermentation pipeline 30 by feed-pipe water shoot 44, in the liquid reflux course of natural pond, promote that the fermentation raw material near feed-pipe 10 gos deep in fermentation system, and the natural pond liquid being rich in bacterial classification is brought in feed-pipe 10, improve the region factor of created gase near feed-pipe 10.
Feed-pipe water shoot 44 and water pressure house 40 link position place are positioned at the extreme lower position of water pressure house 40, it can ensure that the natural pond liquid stored in water pressure house 40 can total reflux when being back to annular fermentation system, and the backflow of natural pond liquid in water pressure house can be utilized to promote efficiently, and the fermentation raw material near feed-pipe gos deep in fermentation system, reach the effect promoting charging.
9th kind of embodiment.
The basis of the 6th kind of embodiment is improved, feed-pipe water shoot 44 and water pressure house 40 link position place are positioned at the extreme lower position of water pressure house 40, the water shoot 51 of horizontal plane higher than cloth bacterium device 50 and the horizontal plane at the lower-most point place of water pressure house 40 link position at discharge nozzle water shoot 42 lower-most point place.
When the air pressure in annular fermentation pipeline 30 increases, under the control of check valve, natural pond liquid in annular fermentation pipeline 30 can only flow in water pressure house 40 by discharge nozzle water shoot 42, and the natural pond liquid bacteria containing amount near discharge nozzle 20 enriches, and brings in water pressure house 40 by the natural pond liquid being rich in bacterial classification; Under the control of check valve, the natural pond liquid stored in water pressure house 40 is back in annular fermentation pipeline 30 by feed-pipe water shoot 44 and cloth bacterium device 50, in the natural pond liquid reflux course stored in water pressure house 40, a large amount of bacterial classifications is brought in annular fermentation pipeline, particularly by the shunting action of cloth bacterium device 50, bacterial classification is distributed in fermentation system more uniformly, the natural pond liquid stored in water pressure house 40 is back in feed-pipe 10 process, also promotes that the fermentation raw material in feed-pipe 10 gos deep into fermentation system inside.
Feed-pipe water shoot 44 and water pressure house 40 link position place are positioned at the extreme lower position of water pressure house 40, it can ensure that the natural pond liquid stored in water pressure house 40 can total reflux when being back to annular fermentation system, and the backflow of natural pond liquid in water pressure house can be utilized to promote efficiently, and the fermentation raw material near feed-pipe gos deep in fermentation system, reach the effect promoting charging.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, the General Principle defined in the present invention when not departing from spirit of the present invention or scope, can realize in other embodiments.Therefore, the present invention can not be defined to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. multizone annular ultra-high efficiency methane fermentation system promotes the equally distributed device of bacterial classification, it is characterized in that: it comprises feed-pipe, discharge nozzle, fermentation pipeline, water pressure house, fermentation pipeline is annular fermentation pipeline, water pressure house is positioned over annular fermentation pipeline top, annular fermentation pipeline is provided with opening, the center position of this opening is provided with the dividing plate extending to annular fermentation duct bottom, the both sides of vertical insertion dividing plate distinguished by feed-pipe and discharge nozzle, and the sidewall of feed-pipe and discharge nozzle extends to the natural pond liquid liquid level of annular fermentation pipeline with upper/lower positions; Feed-pipe water shoot is connected with between water pressure house and feed-pipe, discharge nozzle water shoot is connected with between water pressure house and discharge nozzle, a gas block panel is at least provided with in annular fermentation pipeline, a fermentation zone is formed between adjacent gas block panel, the top of fermentation zone is provided with independently airway, and airway is provided with valve body; Fermentation system also comprises cloth bacterium device, cloth bacterium device comprises water shoot, cloth tube road, cloth bacterium hole, water shoot is connected with water pressure house, cloth tube road is annular, cloth tube road is fixed on annular fermentation pipeline inner side-wall, cloth tube road adapts with the shape of the annular pipeline that ferments, and cloth tube road is provided with the cloth bacterium hole that multiple vertical direction runs through; Feed-pipe water shoot is provided with the check valve controlling liquid unidirectional inflow feed-pipe in natural pond in water pressure house, the water shoot of cloth bacterium device is provided with the check valve controlling liquid unidirectional inflow water pressure house in natural pond in annular fermentation tube road, discharge nozzle water shoot is provided with the check valve controlling liquid unidirectional inflow water pressure house in natural pond in discharge nozzle; Feed-pipe water shoot and water pressure house link position place are positioned at the extreme lower position of water pressure house, and the horizontal plane at discharge nozzle water shoot lower-most point place is lower than the horizontal plane at the water shoot of cloth bacterium device and the lower-most point place of water pressure house link position.
2. multizone annular ultra-high efficiency methane fermentation system according to claim 1 promotes the equally distributed device of bacterial classification, it is characterized in that: cloth tube road is fixed with multiple water shoot be connected with water pressure house.
3. multizone annular ultra-high efficiency methane fermentation system according to claim 2 promotes the equally distributed device of bacterial classification, it is characterized in that, feed-pipe and discharge nozzle deeply the annular length of fermenting in pipeline are no more than 2/3rds of annular fermentation internal diameter of the pipeline; The projecting length of the first gas block panel and the second gas block panel in the vertical direction is no more than 2/3rds of annular fermentation internal diameter of the pipeline.
4. multizone annular ultra-high efficiency methane fermentation system according to claim 3 promotes the equally distributed device of bacterial classification, it is characterized in that, the length that the first gas block panel and the second gas block panel go deep into natural pond liquid is less than feed-pipe and discharge nozzle sidewall and deeply ferments the length of the natural pond liquid in pipeline.
5. multizone annular ultra-high efficiency methane fermentation system according to claim 4 promotes the equally distributed device of bacterial classification, it is characterized in that, is provided with two gas block panels in annular fermentation pipeline, form three fermentation zones in annular fermentation pipeline.
6. multizone annular ultra-high efficiency methane fermentation system according to claim 5 promotes the equally distributed device of bacterial classification, and it is characterized in that, water pressure house top adopts sealed structure, and water pressure house top is provided with the airway be communicated with air.
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| CN204550551U (en) * | 2015-01-22 | 2015-08-12 | 张玲玲 | Multizone annular ultra-high efficiency methane fermentation system promotes the equally distributed device of bacterial classification |
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| EP0274083A1 (en) * | 1986-12-22 | 1988-07-13 | Forschungszentrum Jülich Gmbh | Reactor for flotation or treatment with gases |
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Application publication date: 20150610 |