CN205088241U - A system agitating unit for straw anaerobic fermentation - Google Patents
A system agitating unit for straw anaerobic fermentation Download PDFInfo
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- CN205088241U CN205088241U CN201520876822.6U CN201520876822U CN205088241U CN 205088241 U CN205088241 U CN 205088241U CN 201520876822 U CN201520876822 U CN 201520876822U CN 205088241 U CN205088241 U CN 205088241U
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- fermentation tank
- agitator
- whipping appts
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Abstract
The utility model provides a system agitating unit for straw anaerobic fermentation, it sets up a plurality of agitator and a plurality of side agitators of standing on a fermentation tank, stand agitator along vertical the installation fermentation tank is last, its the upper end with fermentation tank's upper end facial features is fixed, each side agitator fixing along the circumference equipartition fermentation tank's lateral wall department to it sets up downwards to be the slope respectively, the blade that founds agitator and side agitator all is located in the fermentation tank. The utility model discloses a system agitating unit can form axial and the circumference flow field optimized, makes the interior medium misce bene of whole fermentation cylinder to no dead angle appears.
Description
Technical field
The utility model belongs to stalk anaerobic fermentation and produces technical field of methane, relates to a kind of system whipping appts for stalk anaerobic fermentation.
Background technology
The engineering field utilizing stalk to carry out anaerobically fermenting, obvious demixing phenomenon can be formed without in the fermentor tank stirred, the stalk of fully fermentation forms floating layer in fermentor tank, and stalk after fermentation and silt particle sink at the bottom of tank and form the beds of precipitation, and middle layer is then more clear suspension layers.For making anaerobically fermenting bacterium fully mix with non-fermented stalk and water, to improve the gas producing efficiency of stalk, stir to reach that to mix be crucial engineering means.
Because industry-by-industry fermentor tank form is different, size is different, fermentation media and technique different, therefore stirring system is also different.For the layering feature of the slurries that the solidliquid mixture of stalk and water forms, slurries need be stirred up and down during stirring.In addition, stalk anaerobic fermentation tank, its volume is large, overall in flat structure, for making medium in tank all mix, need install the system whipping appts of peculiar set-up.
In view of this, the design people, according to the Production design experience being engaged in this area and association area for many years, develops a kind of system whipping appts for stalk anaerobic fermentation, to solving prior art Problems existing.
Utility model content
The purpose of this utility model is to provide a kind of system whipping appts for stalk anaerobic fermentation, can form the axial and circumferential flow field optimized, medium in whole fermentor tank be mixed, and occurs without dead angle.
For this reason, the utility model proposes a kind of system whipping appts for stalk anaerobic fermentation, it is in a fermentation tank, arrange multiple vertical agitator and multiple sides agitator, described vertical agitator is vertically arranged in described fermentation tank, the upper surface of its upper end and described fermentation tank fixes, the side-walls being fixed on described fermentation tank that each described side agitator is circumferentially uniform, and the setting that is tilted down respectively, the blade of described vertical agitator and side agitator is all positioned at described fermentation tank.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, the upper surface of described fermentation tank corresponds to each described vertical agitator and is embedded with multiple rigid connector, the upper end of each described vertical agitator is fixed on each described rigid connector place, and the stir shaft correspondence of each described vertical agitator is arranged in each described rigid connector;
The outside of described fermentation tank is circumferentially evenly equipped with multiple support platform, circumferentially uniformly on its sidewall be embedded with multiple steel bushing, described steel bushing is tilted down setting from outside to inside, the outer end correspondence of each described side agitator is fixed in each described support platform, and the stir shaft correspondence of each described side agitator is arranged in each described steel bushing.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, the diapire of described fermentation tank is provided with multiple rigidity built-in fitting, and the correspondence that the lower end of each described vertical agitator can be rotated is connected on each described rigidity built-in fitting.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, the upper plane of each described support platform is respectively equipped with a brace table, angle between the upper table surface of described brace table and described upper plane is respectively 10 °, the outer end correspondence of described side agitator is fixed on the upper table surface place of described brace table, makes the angle between the longitudinal center line of described side agitator and the upper plane of described support platform be 10 °.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, the height of the inner in described fermentation tank of described side agitator is 2/5 ~ 1/2 of liquid level in described fermentation tank.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, described support platform and described fermentation tank are structure as a whole.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, wherein rigid connector described in is positioned at the center of described fermentation tank upper surface, and all the other each described rigid connectors are distributed in described fermentation tank upper surface along the circumference of described fermentation tank.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, described rigid connector is provided with 4, includes one and is arranged on the first rigid connector of center, described fermentation tank upper surface and uniform the second rigid connector of 3 circumferences along described fermentation tank;
Described steel bushing is provided with 3, and each described steel bushing and each described second rigid connector are submitted for arranging in the circumference of described fermentation tank.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, described second rigid connector can around formation one locus circle along the center of described fermentation tank upper surface, and described track radius of a circle is 1/2 ~ 2/3 of described fermentation tank radius.
As above for the system whipping appts of stalk anaerobic fermentation, wherein, in described fermentation tank circumference, each described steel bushing the pre-buried place of described fermentation tank sidewall be adjacent two described in angle between the second rigid connector be respectively 40 ° and 80 °.
The system whipping appts for stalk anaerobic fermentation that the utility model proposes, by arranging multiple vertical agitator and side agitator, processing and manufacturing cost is low, by vertical agitator and the circumference of side agitator respectively along fermentation tank uniform, slurries in fermentor tank are fully stirred, substantially increase gas producing efficiency, concerning whole biogas production process, significantly improve economic benefit.
Accompanying drawing explanation
Fig. 1 is the vertical view of the system whipping appts for stalk anaerobic fermentation of the present utility model;
Fig. 2 is the part sectioned view () of the system whipping appts for stalk anaerobic fermentation of the present utility model;
Fig. 3 is the part sectioned view (two) of the system whipping appts for stalk anaerobic fermentation of the present utility model.
Main element label declaration:
1 fermentation tank 11 upper surface
12 sidewall 13 rigid connectors
131 first rigid connector 132 second rigid connectors
14 rigidity built-in fitting 15 support platforms
Plane 151 brace table on 150
16 steel bushings 2 found agitator
3 side agitator 21,31 blades
22,32 stir shaft α 1, α 2, α 3 angle
R, r radius H, h height
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model be described:
Fig. 1 is the vertical view of the system whipping appts for stalk anaerobic fermentation of the present utility model; Fig. 2 is the part sectioned view () of the system whipping appts for stalk anaerobic fermentation of the present utility model; Fig. 3 is the part sectioned view (two) of the system whipping appts for stalk anaerobic fermentation of the present utility model.
See Fig. 1, the system whipping appts for stalk anaerobic fermentation that the utility model proposes, it is in a fermentation tank 1, arrange multiple vertical agitator 2 and multiple sides agitator 3, described vertical agitator 2 is vertically arranged in described fermentation tank 1, its upper end (motor side) fixes with the upper surface 11 of described fermentation tank 1, sidewall 12 place being fixed on described fermentation tank 1 that each described side agitator 3 is circumferentially uniform, and the setting that is tilted down respectively, the blade 21,31 of described vertical agitator 2 and side agitator 3 is all positioned at described fermentation tank 1.In actual use, pusher blade selected by described vertical agitator 2 and side agitator 3, and described vertical agitator 2 adopts multiple layers of vanes form, and make the slurry within the scope of entire depth form axial flow, and described side agitator 3 is distributed on sidewall along described fermentation tank 1 circumference, the slurry circumferential flow around tank skin can be driven, and drive tand corner place slurry to form eddy current.
In a word, by arranging described vertical agitator 2 and side agitator 3, described vertical agitator 2 is stirred with rotating speed faster with slower rotating speed and side agitator 3 simultaneously, slurries in the abundant stirred fermentor 1 of energy, anaerobically fermenting bacterium is fully mixed with non-fermented stalk and water, thus improves the gas producing efficiency of stalk.
As shown in Figure 2, the upper surface of described fermentation tank 1 corresponds to each described vertical agitator 2 and is embedded with multiple rigid connector 13, the upper end (motor side) of each described vertical agitator 2 is fixed on each described rigid connector 13 place, what make that each described vertical agitator 2 operationally all can be firm is placed in described fermentation tank 1, and stir shaft 22 correspondence of each described vertical agitator 2 is arranged in each described rigid connector 13;
Please also refer to Fig. 3, the outside of described fermentation tank 1 is circumferentially evenly equipped with multiple support platform 15, circumferentially uniformly on its sidewall 22 be embedded with multiple steel bushing 16, described steel bushing 16 is tilted down setting from outside to inside, outer end (motor side) correspondence of each described side agitator 3 is fixed in each described support platform 15, and stir shaft 32 correspondence of each described side agitator 3 is arranged in each described steel bushing 16.
Preferably, keep more steady when rotating in order to make the stir shaft of described fermentation tank 1, the diapire of described fermentation tank 1 is provided with multiple rigidity built-in fitting 14 further, and lower end (stir shaft end) correspondence of each described vertical agitator 2 is connected on each described rigidity built-in fitting 14.
Further, the upper plane 150 of each described support platform 15 is respectively equipped with a brace table 151, angle between the upper table surface of described brace table 151 and described upper plane 150 is respectively 10 °, the outer end correspondence of described side agitator 3 is fixed on the upper table surface place of described brace table 151, makes the angle α 1 between the longitudinal center line of described side agitator 3 and the upper plane 150 of described support platform 15 be 10 °.
Wherein, the height h of the inner in described fermentation tank 1 of described side agitator 3 is 2/5 ~ 1/2 of liquid level H in described fermentation tank 1, to reach preferably result of use.In addition, preferred described support platform 15 is structure as a whole with described fermentation tank 1.
In order to can mixing effect be improved, in a preferred embodiment, wherein rigid connector 13 described in is positioned at the center of described fermentation tank 1 upper surface, all the other each described rigid connectors 13 are distributed in described fermentation tank 1 upper surface along the circumference of described fermentation tank, thus, make wherein vertical agitator 2 described in be positioned at the center of described fermentation tank 1 upper surface, all the other each described vertical agitators 2 are distributed in described fermentation tank 1 upper surface along the circumference of described fermentation tank 1.For agitator, blade diameter increases, and power of motor is directly proportional to blade diameter, after blade diameter reaches certain size, power of motor increases greatly, and blade processing difficulty increases, and causes cost and technology difficulty greatly to increase, therefore, pass through said structure, to arrange multiple described vertical agitator 2 at described fermentation tank 1 center and circumference, slurry can form axial flow in the whole diameter range of described fermentation tank 1, guarantees to stir between levels fully.
In the construction illustrated, described rigid connector 13 is provided with 4, includes one and is arranged on the first rigid connector 131 of center, described fermentation tank 1 upper surface and uniform the second rigid connector 132 of 3 circumferences along described fermentation tank 1;
Described steel bushing 13 is provided with 3, and each described steel bushing 13 and each described second rigid connector 132 are submitted for arranging in the circumference of described fermentation tank 1.In practicing, concrete quantity is not limited thereto, and can need, do suitable increase, to meet actual needs according to the volume of fermentation tank 1 and actual use.
Further, described second rigid connector 132 can around formation one locus circle along the center of described fermentation tank 1 upper surface, the radius r of described locus circle is 1/2 ~ 2/3 of the radius R of described fermentation tank 1 upper surface, also be, the distance of circumferentially uniform described vertical agitator 2 and the center of described fermentation tank 1 upper surface is 1/2 ~ 2/3 of described fermentation tank 1 radius R;
In addition, in described fermentation tank 1 circumference, each described steel bushing 13 be adjacent two described in angle α 2, α 3 between rigid connector 132 be respectively 40 ° and 80 °.
The system whipping appts for stalk anaerobic fermentation that the utility model proposes, when specifically using, described vertical agitator 2 stirs with rotating speed faster with slower rotating speed and side agitator 3 simultaneously, wherein, described vertical agitator 2 makes the slurry within the scope of entire depth form axial flow, and side agitator 3 is distributed on sidewall along fermentation tank 1 circumference, the slurry circumferential flow around tank skin can be driven, and drive tand corner place slurry to form eddy current to avoid dead angle, make slurry in whole fermentor tank reach the effect stirred.
In addition, operationally vertical agitator 2 and side agitator 3 can alternate runs, make in fermentor tank 1, to occur that the flow field of various ways is to adapt to different engineering sites, a typical operation scheme: middle vertical agitator 2 starts in advance, stop after for some time, start the vertical agitator (equidirectional) of three perisporiums, stop after running for some time, sequence starting three side agitators again, stop again after running for some time, this is an operation cycle, recirculation operation after certain interval of time.This operation is applicable to the anaerobic fermentation tank non-stalk charging stage, does not need continuously long-time stirring can reach well-mixed effect again.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (10)
1. the system whipping appts for stalk anaerobic fermentation, it is characterized in that, the described system whipping appts for stalk anaerobic fermentation is in a fermentation tank, arrange multiple vertical agitator and multiple sides agitator, described vertical agitator is vertically arranged in described fermentation tank, the upper surface of its upper end and described fermentation tank fixes, the side-walls being fixed on described fermentation tank that each described side agitator is circumferentially uniform, and the setting that is tilted down respectively, the blade of described vertical agitator and side agitator is all positioned at described fermentation tank.
2. as claimed in claim 1 for the system whipping appts of stalk anaerobic fermentation, it is characterized in that, the upper surface of described fermentation tank corresponds to each described vertical agitator and is embedded with multiple rigid connector, the upper end of each described vertical agitator is fixed on each described rigid connector place, and the stir shaft correspondence of each described vertical agitator is arranged in each described rigid connector;
The outside of described fermentation tank is circumferentially evenly equipped with multiple support platform, circumferentially uniformly on its sidewall be embedded with multiple steel bushing, described steel bushing is tilted down setting from outside to inside, the outer end correspondence of each described side agitator is fixed in each described support platform, and the stir shaft correspondence of each described side agitator is arranged in each described steel bushing.
3., as claimed in claim 2 for the system whipping appts of stalk anaerobic fermentation, it is characterized in that, the diapire of described fermentation tank is provided with multiple rigidity built-in fitting, and the lower end correspondence of each described vertical agitator is connected on each described rigidity built-in fitting.
4. as claimed in claim 3 for the system whipping appts of stalk anaerobic fermentation, it is characterized in that, the upper plane of each described support platform is respectively equipped with a brace table, angle between the upper table surface of described brace table and described upper plane is 10 °, the outer end correspondence of described side agitator is fixed on the upper table surface place of described brace table, makes the angle between the longitudinal center line of described side agitator and the upper plane of described support platform be 10 °.
5., as claimed in claim 4 for the system whipping appts of stalk anaerobic fermentation, it is characterized in that, the height of the inner in described fermentation tank of described side agitator, is 2/5 ~ 1/2 of liquid level in described fermentation tank.
6., as claimed in claim 5 for the system whipping appts of stalk anaerobic fermentation, it is characterized in that, described support platform and described fermentation tank are structure as a whole.
7. the system whipping appts for stalk anaerobic fermentation as described in any one of claim 2 to 6, it is characterized in that, wherein rigid connector described in is positioned at the center of described fermentation tank upper surface, and all the other each described rigid connectors are distributed in described fermentation tank upper surface along the circumference of described fermentation tank.
8. as claimed in claim 7 for the system whipping appts of stalk anaerobic fermentation, it is characterized in that, described rigid connector is provided with 4, includes one and is arranged on the first rigid connector of center, described fermentation tank upper surface and uniform the second rigid connector of 3 circumferences along described fermentation tank;
Described steel bushing is provided with 3, and each described steel bushing and each described second rigid connector are submitted for arranging in the circumference of described fermentation tank.
9. as claimed in claim 8 for the system whipping appts of stalk anaerobic fermentation, it is characterized in that, described second rigid connector can around formation one locus circle along the center of described fermentation tank upper surface, and described track radius of a circle is 1/2 ~ 2/3 of described fermentation tank radius.
10. as claimed in claim 9 for the system whipping appts of stalk anaerobic fermentation, it is characterized in that, in described fermentation tank circumference, each described steel bushing the pre-buried place of described fermentation tank sidewall be adjacent two described in angle between the second rigid connector be respectively 40 ° and 80 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520876822.6U CN205088241U (en) | 2015-11-05 | 2015-11-05 | A system agitating unit for straw anaerobic fermentation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520876822.6U CN205088241U (en) | 2015-11-05 | 2015-11-05 | A system agitating unit for straw anaerobic fermentation |
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| CN205088241U true CN205088241U (en) | 2016-03-16 |
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| CN201520876822.6U Active CN205088241U (en) | 2015-11-05 | 2015-11-05 | A system agitating unit for straw anaerobic fermentation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621403A (en) * | 2020-06-12 | 2020-09-04 | 苏州聚维元创生物科技有限公司 | Double-stirring-mode constant-temperature reaction device suitable for straw fiber hydrolysis and saccharification |
| CN113502217A (en) * | 2021-07-22 | 2021-10-15 | 深圳市德润生物质投资有限公司 | Operation system and time sequence of semi-dry type stirring equipment of large-scale straw biogas project |
-
2015
- 2015-11-05 CN CN201520876822.6U patent/CN205088241U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621403A (en) * | 2020-06-12 | 2020-09-04 | 苏州聚维元创生物科技有限公司 | Double-stirring-mode constant-temperature reaction device suitable for straw fiber hydrolysis and saccharification |
| CN113502217A (en) * | 2021-07-22 | 2021-10-15 | 深圳市德润生物质投资有限公司 | Operation system and time sequence of semi-dry type stirring equipment of large-scale straw biogas project |
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