CN205420387U - System for with wheat straw anaerobic fermentation marsh gas - Google Patents
System for with wheat straw anaerobic fermentation marsh gas Download PDFInfo
- Publication number
- CN205420387U CN205420387U CN201620194633.5U CN201620194633U CN205420387U CN 205420387 U CN205420387 U CN 205420387U CN 201620194633 U CN201620194633 U CN 201620194633U CN 205420387 U CN205420387 U CN 205420387U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- bed
- wheat stalk
- diafiltration
- fermentation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model relates to a system for with wheat straw anaerobic fermentation marsh gas belongs to the bio -engineering technology field, system for with wheat straw anaerobic fermentation marsh gas include feed arrangement and fermenting installation, feed arrangement include the feeder hopper, handle the storehouse and go out the hopper, the processing storehouse in install broken sword, handle storehouse bottom central point and put and be provided with the rotation axis, broken sword is all installed on the rotation axis, fermenting installation include fermentation cylinder and storage tank, the utility model discloses can realize the high concentration fermentation of wheat straw to do not have come -up crust phenomenon, the degradation is abundant, and whole process realizes that liquid circulation utilizes, smash the straw before the fermentation, reducing the granularity of straw for straw material and the contact of natural pond liquid are more complete, improve the factor of created gase, the rate of utilization of a lot of fermentation, reinforcing material the wheat straw can be carried out.
Description
Technical field
This utility model belongs to technical field of bioengineering, specifically, relates to the system of a kind of wheat stalk form anaerobic fermentation methane.
Background technology
Along with the progress of society, the development of science and technology, people are increasing to the demand of the various energy, and in order to ensure the balance of nature, people start to promote the use of green energy resource, and biogas is used by increasing people as a kind of reproducible green energy resource.
The fermentation of existing wheat stalk often is faced with two large problems: one is that in straw, content of lignin is high, it is difficult to being degraded by microorganisms thus cause gas generation process slow, gas production is low；Two is that the density of straw is less, is easily caused liquid level crust, affects biogas fermentation, and owing to solid concentration is relatively low, waste disposal utilizes relatively difficult；Straw was not pulverized before fermentation by the fermentation of existing wheat stalk so that fermentation time increases, and productivity is relatively low；The fermentation of existing wheat stalk only carries out one time fermentation to straw material, and the fermentation residue of generation is i.e. dropped, and the fermentation causing straw is incomplete, causes the waste of material.
Therefore, it is necessary to existing wheat stalk form anaerobic fermentation methane system is improved so that perfect by wheat stalk form anaerobic fermentation methane system structure, factor of created gase is higher.
Summary of the invention
Not enough in order to overcome present in background technology, this utility model provides the system of a kind of wheat stalk form anaerobic fermentation methane, it is possible to realize the high gravity fermentation of wheat stalk, and without floating encrustation phenomena, degraded is abundant, and whole process realizes liquid and recycles；Before fermentation, straw is pulverized, reduce the granularity of straw so that straw material contacts with biogas slurry more complete, improves factor of created gase；Wheat stalk repeatedly can be fermented, strengthen the utilization rate of material.
For reaching above-mentioned purpose, this utility model is implemented by following technical scheme:
The described system with wheat stalk form anaerobic fermentation methane includes feed arrangement and installation for fermenting, described feed arrangement includes feed hopper, processes storehouse and discharge bucket, in described process storehouse, crushing cutter is installed, processing storehouse bottom centre position and be provided with rotary shaft, described crushing cutter is mounted in rotary shaft；
Described installation for fermenting includes fermentation tank and storage tank, and fermentation tank inner chamber is separated into upper and lower two independent spaces by dividing plate, and the above is as the diafiltration bed producing acid phase, and fixed bed as methanogenic phase is presented herein below；At diafiltration bed top, diafiltration bed inlet and gas outlet are set, diafiltration bed inlet connects shower nozzle, the side surface upper part of diafiltration bed is provided with the charging aperture that the discharge bucket with feed arrangement is connected, diafiltration bed side lower is provided with discharging opening and diafiltration bed liquid outlet, described discharging opening is provided with the circulating line with circulating pump and is connected with fermentation tank top sidewall；Arranging fixed bed inlet bottom fixed bed, bottom arranges sieve plate, and top arranges fixed bed liquid outlet, fixed bed gas outlet and filler import；Storage tank liquid outlet, storage tank inlet and storage tank gas outlet it is provided with on storage tank；Diafiltration bed liquid outlet is connected with fixed bed inlet, and the liquid that fixed bed liquid outlet flows out is entered in storage tank by storage tank inlet and stores, and storage tank liquid outlet is connected with diafiltration bed inlet by reuse pump.
Further, described discharge bucket is shaftless screw carrier.
Further, described diafiltration bed liquid outlet is provided with filter screen.
Further, described sieve plate is uniformly distributed the sieve aperture of 5mm.
Further, equipped with heating jacket on described fixed bed outer wall.
Further, described circulating line and discharging opening are for removably connecting.
The beneficial effects of the utility model:
Process before wheat stalk is fed by storehouse and carry out break process so that wheat stalk is crushed to certain size, increase wheat stalk and the contact area of biogas slurry in sweat so that ferment more complete；Owing to discharge bucket is shaftless screw carrier, wheat stalk is not easily blocked；Product acid and methane phase are divided among difference
Region, make the sour and methanogenic strain of product respectively reach optimal ferment effect.Producing acid uses diafiltration bed process to realize the high gravity fermentation (more than 20%) of material mutually, it is fully contacted with material by uniformly spraying of overhead-liquid, and gradually form acid solution outflow, methanogenic phase uses fixed-bed process, utilize filler (fibrous nodules) immobilization methanogen, then acid solution carries out methane phase reaction from bottom through sieve plate enters methanogenic phase, it is back to methanogenic phase effluent the most again produce in acid mutually, not only avoid the loss of strain, and the buffer capacity in whole system is improved；Diafiltration bed liquid outlet is provided with filter screen so that diafiltration bed liquid outlet should not be blocked when flowing out by acid solution；Being provided with the circulating line with circulating pump on discharging opening to be connected with fermentation tank top sidewall, wheat stalk, for removably connecting, can repeatedly be fermented by circulating line and discharging opening, strengthens the utilization rate of material.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In figure, 1-feed hopper, 2-processes storehouse, 3-discharge bucket, 4-crushing cutter, 5-spin axis axle, 6-fermentation tank, 7-storage tank, 8-dividing plate, 9-diafiltration bed, 10-fixed bed, 11-diafiltration bed inlet, 12-gas outlet, 13-shower nozzle, 14-charging aperture, 15-discharging opening, 16-diafiltration bed liquid outlet, 17-circulating pump, 18-circulating line, 19-fixed bed inlet, 20-sieve plate, 21-fixed bed liquid outlet, 22-fixed bed gas outlet, 23-filler import, 24-storage tank liquid outlet, 25-storage tank inlet, 26-storage tank gas outlet, 27-reuse pump, 28-filter screen, 29-heating jacket.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to facilitate the technical staff to understand.
As shown in Figure 1, the described system with wheat stalk form anaerobic fermentation methane includes feed arrangement and installation for fermenting, described feed arrangement includes feed hopper 1, process storehouse 2 and discharge bucket 3, discharge bucket 3 is shaftless screw carrier, in described process storehouse 2, crushing cutter 4 is installed, process storehouse 2 bottom centre position and be provided with rotary shaft 5, described crushing cutter 4 is mounted in rotary shaft 5, process before wheat stalk is fed by storehouse 2 and carry out break process, wheat stalk is made to be crushed to certain size, increase wheat stalk and the contact area of biogas slurry in sweat, make to ferment more complete；Owing to discharge bucket 3 is shaftless screw carrier, wheat stalk is not easily blocked.
Described installation for fermenting includes fermentation tank 6 and storage tank 7, and fermentation tank 6 inner chamber is separated into upper and lower two independent spaces by dividing plate 8, and the above is as the diafiltration bed 9 producing acid phase, and fixed bed 10 as methanogenic phase is presented herein below；At diafiltration bed 9 top, diafiltration bed inlet 11 and gas outlet 12 are set, diafiltration bed inlet 11 connects shower nozzle 13, the side surface upper part of diafiltration bed 9 is provided with the charging aperture 14 that the discharge bucket 3 with feed arrangement is connected, diafiltration bed 9 side lower is provided with discharging opening 15 and diafiltration bed liquid outlet 16, diafiltration bed liquid outlet 16 is provided with filter screen 28, fixed bed inlet 19 is set bottom fixed bed 10, bottom arranges sieve plate 20, being uniformly distributed the sieve aperture of 5mm on sieve plate 20, top arranges fixed bed liquid outlet 21, fixed bed gas outlet 22 and filler import 23；Storage tank liquid outlet 24, storage tank inlet 25 and storage tank gas outlet 26 it is provided with on storage tank 7；Diafiltration bed liquid outlet 16 is connected with fixed bed inlet 19, the liquid that fixed bed liquid outlet 22 flows out is entered in storage tank 7 by storage tank inlet 25 and stores, it is divided among different regions by producing acid with methane phase, makes the sour and methanogenic strain of product respectively reach optimal ferment effect.Producing acid uses diafiltration bed 9 technique to realize the high gravity fermentation (more than 20%) of material mutually, it is fully contacted with material by uniformly spraying of overhead-liquid, and gradually form acid solution outflow, methanogenic phase uses fixed-bed process, utilize filler (fibrous nodules) immobilization methanogen, then acid solution enters through sieve plate 20 from bottom and carries out methane phase reaction methanogenic phase, it is back to methanogenic phase effluent the most again produce in acid mutually, not only avoid the loss of strain, and the buffer capacity in whole system is improved.
Storage tank liquid outlet 24 is connected with diafiltration bed inlet 11, equipped with heating jacket 29 on fixed bed 10 outer wall by reuse pump 27, it is possible to make sweat can be maintained at temperature conveniently.
It is provided with the circulating line 18 with circulating pump 17 on described discharging opening 15 to be connected with fermentation tank 6 top sidewall, wheat stalk repeatedly can be fermented, strengthen the utilization rate of material, described circulating line 18 and discharging opening 15 are for removably connecting, after wheat stalk complete fermentation completes, circulating line 18 is dismantled from discharging opening 15 so that wheat stalk is discharged from discharging opening 15.
Work process of the present utility model:
Wheat stalk is entered process storehouse 2 from feeding warehouse 1, crush through crushing cutter 3, raw material is made to reach broken, mixing, stable, then it is transported to the charging aperture 14 from fermentation tank 6 by shaftless screw carrier and puts into upper strata diafiltration bed 9, the fibrous nodules filler being attached with methanogen puts into lower floor's fixed bed 10 from filler import 23, liquid in storage tank 7 is uniformly sprayed on material by shower nozzle 13 through diafiltration bed inlet 16, feed liquid is contacted with wheat stalk and then acidogenic fermentation produce VFA by diafiltration, finally flow out from diafiltration bed liquid outlet 16, produce the sour portion gas produced mutually to be collected by gas outlet 12.The percolate flowed out from upper strata is directly entered lower floor's fixed bed 10 through bottom fixed bed inlet 19, packing layer through attachment methanogen flow to storage tank 7 from fixed bed liquid outlet 21, the gas that part is taken out of is reclaimed by the storage tank gas outlet 26 above storage tank 7, and major part gas is collected via fixed bed gas outlet 22.After the wheat stalk fermentation regular hour, open circulating pump 17 and wheat stalk is fermented again, after wheat stalk complete fermentation completes, circulating line 18 is dismantled from discharging opening 15 so that wheat stalk is discharged from discharging opening 15.
This utility model processes before wheat stalk is fed by storehouse and carries out break process so that wheat stalk is crushed to certain size, increases wheat stalk and the contact area of biogas slurry in sweat so that ferment more complete；Owing to discharge bucket is shaftless screw carrier, wheat stalk is not easily blocked；It is divided among different regions by producing acid with methane phase, makes the sour and methanogenic strain of product respectively reach optimal ferment effect.Producing acid uses diafiltration bed process to realize the high gravity fermentation (more than 20%) of material mutually, it is fully contacted with material by uniformly spraying of overhead-liquid, and gradually form acid solution outflow, methanogenic phase uses fixed-bed process, utilize filler (fibrous nodules) immobilization methanogen, then acid solution carries out methane phase reaction from bottom through sieve plate enters methanogenic phase, it is back to methanogenic phase effluent the most again produce in acid mutually, not only avoid the loss of strain, and the buffer capacity in whole system is improved；Diafiltration bed liquid outlet is provided with filter screen so that diafiltration bed liquid outlet should not be blocked when flowing out by acid solution；Being provided with the circulating line with circulating pump on discharging opening to be connected with fermentation tank top sidewall, wheat stalk, for removably connecting, can repeatedly be fermented by circulating line and discharging opening, strengthens the utilization rate of material.
Finally illustrate is, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from this utility model claims limited range.
Claims (6)
1. the system with wheat stalk form anaerobic fermentation methane, it is characterized in that: the described system with wheat stalk form anaerobic fermentation methane includes feed arrangement and installation for fermenting, described feed arrangement includes feed hopper, processes storehouse and discharge bucket, in described process storehouse, crushing cutter is installed, processing storehouse bottom centre position and be provided with rotary shaft, described crushing cutter is mounted in rotary shaft；
Described installation for fermenting includes fermentation tank and storage tank, and fermentation tank inner chamber is separated into upper and lower two independent spaces by dividing plate, and the above is as the diafiltration bed producing acid phase, and fixed bed as methanogenic phase is presented herein below；At diafiltration bed top, diafiltration bed inlet and gas outlet are set, diafiltration bed inlet connects shower nozzle, the side surface upper part of diafiltration bed is provided with the charging aperture that the discharge bucket with feed arrangement is connected, diafiltration bed side lower is provided with discharging opening and diafiltration bed liquid outlet, described discharging opening is provided with the circulating line with circulating pump and is connected with fermentation tank top sidewall；Arranging fixed bed inlet bottom fixed bed, bottom arranges sieve plate, and top arranges fixed bed liquid outlet, fixed bed gas outlet and filler import；Storage tank liquid outlet, storage tank inlet and storage tank gas outlet it is provided with on storage tank；Diafiltration bed liquid outlet is connected with fixed bed inlet, and the liquid that fixed bed liquid outlet flows out is entered in storage tank by storage tank inlet and stores, and storage tank liquid outlet is connected with diafiltration bed inlet by reuse pump.
The system of a kind of wheat stalk form anaerobic fermentation methane the most according to claim 1, it is characterised in that: described discharge bucket is shaftless screw carrier.
The system of a kind of wheat stalk form anaerobic fermentation methane the most according to claim 1, it is characterised in that: described diafiltration bed liquid outlet is provided with filter screen.
The system of a kind of wheat stalk form anaerobic fermentation methane the most according to claim 1, it is characterised in that: it is uniformly distributed the sieve aperture of 5mm on described sieve plate.
The system of a kind of wheat stalk form anaerobic fermentation methane the most according to claim 1, it is characterised in that: equipped with heating jacket on described fixed bed outer wall.
The system of a kind of wheat stalk form anaerobic fermentation methane the most according to claim 1, it is characterised in that: described circulating line and discharging opening are for removably connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194633.5U CN205420387U (en) | 2016-03-15 | 2016-03-15 | System for with wheat straw anaerobic fermentation marsh gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194633.5U CN205420387U (en) | 2016-03-15 | 2016-03-15 | System for with wheat straw anaerobic fermentation marsh gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205420387U true CN205420387U (en) | 2016-08-03 |
Family
ID=56546507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620194633.5U Expired - Fee Related CN205420387U (en) | 2016-03-15 | 2016-03-15 | System for with wheat straw anaerobic fermentation marsh gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205420387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929410A (en) * | 2017-04-05 | 2017-07-07 | 华南理工大学 | A kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion |
| CN109355167A (en) * | 2018-12-06 | 2019-02-19 | 四川绿盼环保科技有限公司 | A kind of corn stover crushing installation for fermenting |
-
2016
- 2016-03-15 CN CN201620194633.5U patent/CN205420387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929410A (en) * | 2017-04-05 | 2017-07-07 | 华南理工大学 | A kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion |
| CN109355167A (en) * | 2018-12-06 | 2019-02-19 | 四川绿盼环保科技有限公司 | A kind of corn stover crushing installation for fermenting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204550537U (en) | A kind of complete mixed biogas production system | |
| CN102219333A (en) | Treatment method of manure waste generated in process of soaking manure in water in breeding farm | |
| CN203754715U (en) | Device for producing biogas through integrated two-phase anaerobic fermentation of straw | |
| CN202830029U (en) | Crust-breaking anaerobic fermentation device | |
| CN103060179B (en) | Large granular straw biogas fermentation device | |
| CN104357315A (en) | Vertical light wine solid-state continuous fermentation equipment and process | |
| CN101724551B (en) | Full mixed anaerobic reaction circulating device and circulating method for methane reaction raw materials | |
| CN202148310U (en) | Straw methane reactor | |
| CN111662813A (en) | Straw anaerobic fermentation system and method | |
| CN104404087A (en) | Technological method for preparing biogas by utilizing high-concentration organic waste and fermentation system thereof | |
| CN205420387U (en) | System for with wheat straw anaerobic fermentation marsh gas | |
| CN201722377U (en) | Dry-type methane continuous generating device | |
| CN202786235U (en) | Circulation biogas slurry pipeline for biogas slurry stirring and hull breaking of anaerobic reactor | |
| EP2554653B1 (en) | Method and system for transferring and mixing a biomass slurry in a hydrolyser and in a fermenter. | |
| CN201817478U (en) | Marsh gas reaction vessel | |
| CN102897909A (en) | Self-circulation anaerobic reactor | |
| CN103074208B (en) | High-concentration straw methane fermentation equipment | |
| CN201914971U (en) | Barrel-shaped spiral upstream anaerobic device | |
| CN102250760B (en) | Straw biogas reactor | |
| CN214496286U (en) | Biomass methane preparation device | |
| CN210736752U (en) | Straw anaerobic fermentation system | |
| CN209493572U (en) | Ruminant-type stalk anaerobic fermentation system | |
| CN203741319U (en) | Medicine residue fermentation treatment device | |
| CN103103117B (en) | Methane fermentation device for straw | |
| CN206428240U (en) | Double pond anaerobic reaction-pots |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |