CN204369877U - A kind of device for anaerobically fermenting - Google Patents
A kind of device for anaerobically fermenting Download PDFInfo
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- CN204369877U CN204369877U CN201420830029.8U CN201420830029U CN204369877U CN 204369877 U CN204369877 U CN 204369877U CN 201420830029 U CN201420830029 U CN 201420830029U CN 204369877 U CN204369877 U CN 204369877U
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Abstract
The utility model relates to a kind of device for anaerobically fermenting, is all made up of with the flexible pipe 1 of infusion niidl and flexible pipe 2 miniature fermenter, tank, graduated cylinder, one end; Wherein graduated cylinder is inverted in tank, and saturated aqueous common salt is filled in inside; The syringe needle of described flexible pipe 1 passes in miniature fermenter by plug in miniature fermenter, and the other end passes in inverted graduated cylinder; Described flexible pipe 1 is positioned at graduated cylinder outside and establishes a moveable switching element near graduated cylinder place; The syringe needle of described flexible pipe 2 passes in miniature fermenter by plug in miniature fermenter, and its end is provided with 2 closure elements.Device described in the utility model, simple structure, can carry out the collection of gaseous sample in producing methane through anaerobic fermentation and biogas, and the maintenance and the gaseous sample that are beneficial to fermentation system anaerobic environment carry out detection analysis quickly and easily.
Description
Technical field
The utility model relates to a kind of device for anaerobically fermenting, belongs to biomass energy technology field.
Background technology
Biogas is as biomass energy, and its raw materials for production are generally lignocellulose, as agricultural crop straw, forestry waste, energy-source plant etc.In biogas production process, adopt municipal sludge, feces of livestock and poultry etc. to be inoculum, efficiently solve the problem of environmental pollution of municipal effluent and farm animal excrement etc., and avoid the wasting of resources.
But technician finds that the raising of the anaerobic environment of fermentation system to biogas production efficiency is most important in research process, the dynamic monitoring of gaseous constituent is the requisite index of evaluation test result.Thus, the success or failure of selection to test of biogas production and gas sample collection device play decisive role.
CN202658153U discloses a kind of anaerobically fermenting reaction unit of continuously feeding, greatly can improve biogas yield; CN202322828U discloses a kind of energy-saving anaerobic fermentation device, and system energy consumption is low, and fermentation rate is high.But these apparatus structures are complicated, and cost is higher, is not suitable for the scientific research in laboratory, the test of especially multiprocessing.Have not been reported for the low cost anaerobically fermenting easy device of laboratory applications in research at present.
Utility model content
The purpose of this utility model is to provide a kind of easy device, and it is applied to producing methane through anaerobic fermentation, can collect gaseous sample for analysis, is particularly suitable for a batch experiment.
To achieve these goals, the utility model adopts following technical scheme:
A kind of device, is all made up of with the flexible pipe 1 of infusion niidl and flexible pipe 2 miniature fermenter, tank, graduated cylinder, one end; Wherein graduated cylinder is inverted in tank, and saturated aqueous common salt is filled in inside;
Wherein, the syringe needle of described flexible pipe 1 passes in tank by plug in miniature fermenter, and the other end passes in inverted graduated cylinder;
Described flexible pipe 1 is positioned at graduated cylinder outside and establishes a moveable switching element near graduated cylinder place, when flexible pipe 1 fills nitrogen, it is positioned at hose end and is in open mode, fill after nitrogen terminates and be in closing condition, when collecting gas, it moves to graduated cylinder outside and near graduated cylinder place, is in open mode.
The syringe needle of described flexible pipe 2 passes in miniature fermenter by plug in miniature fermenter, and its fermentation gas collected is used for gas composition analysis.
Wherein, the end of described flexible pipe 2 is provided with 2 closure elements; Closure elements near end is used for closing whole flexible pipe, and prevent air from entering, it is invariant position in anaerobically fermenting and gas sample collection process; Another closure elements can need to adjust position according to collection gas, after needle applicator has gathered gaseous sample, this closure elements is moved forward to pin hole front, has leaked gas to prevent pin hole.
Apparatus structure described in the utility model is simple and easy, and good airproof performance, gaseous sample are easy to collect, and in gas sample collection process and collect secondary fermentation system and still can maintain good anaerobic environment, can promote the use of in the lab.
Described flexible pipe 1 length 0.5-1.2m, diameter 2-5mm.
Described flexible pipe 2 length 12-25cm, diameter 2-5mm.
Described closure elements can select mosquito forceps, spring water stopper.
As preferred embodiment, in device described in the utility model, described miniature fermenter preferred 200mL anaerobism bottle, in it, plug is plug in butyl;
The preferred infusion tube for animals of described flexible pipe 1, its band syringe needle one end be connected with miniature fermenter, length within the scope of 0.5-1.2m depending on the distance between miniature fermenter and graduated cylinder.
Described flexible pipe 2 is preferably with the latex flexible pipe of infusion niidl, and its band syringe needle one end is connected with miniature fermenter, the preferred 15-20cm of length.
The utility model, by the selection to hose materials length, is conducive to the collection of biogas and gaseous sample and the maintenance of fermentation system anaerobic environment.Flexible pipe 1 adopts infusion tube can the aqueous corrosion of resistance to saturated common salt, avoids flexible pipe corrosion air-leakage phenomenon in fermenting process.Choose suitable flexible pipe 1 length, can realize without interface between miniature fermenter and sludge gas collecting device, be conducive to the stopping property keeping anaerobically fermenting system.Flexible pipe 2 adopts latex flexible pipe to be easy to syringe needle and penetrates, thus is beneficial to collection gaseous sample, and after collecting gaseous sample, the pin hole place of latex flexible pipe shrinks, and not easily leaks gas.Choose the quality that suitable flexible pipe 2 length can ensure gas sample collection.Length is long, and in flexible pipe 2, in gas and fermentor tank, gaseous interchange is insufficient, can not collect the gas newly produced the same day completely; Length is too short, easily condenses into water droplet, affect the collection of gaseous sample in flexible pipe 2 near fermentor tank one end.
Application of installation described in the utility model, in producing methane through anaerobic fermentation, can collect gaseous sample for analysis, is particularly suitable for a batch experiment.
The principle of work of device described in the utility model is as follows:
1) in the miniature fermenter that sample and inoculum be housed, be filled with nitrogen, fill nitrogen and terminate to cover rapidly plug in butyl afterwards, then cover outer plug.
2) switching element is opened, be filled with nitrogen to in the flexible pipe 1 of syringe needle, drive the air in flexible pipe 1, fill nitrogen by time complete, be with syringe needle one end to be connected with fermentor tank by filling in butyl flexible pipe 1, when terminating to fill nitrogen, rapid closing switch element is to seal flexible pipe 1 needle-less one end.
3) syringe needle is closely connected with flexible pipe 2, then syringe needle is connected with fermentor tank by plug in butyl.Open the switching element of infusion tube 1 needleless head end, again be filled with nitrogen, now nitrogen is flowed out from latex flexible pipe 2 end by whole device, fills when nitrogen closes to an end and closes latex flexible pipe 2 end with 2 closure elements immediately, terminate to fill nitrogen, closing switch element seals infusion tube 1 needleless head end.
4) after device has connected, stretched into by flexible pipe 1 end and be inverted in tank and fill in the graduated cylinder of saturated aqueous common salt, open also moving switch element simultaneously and put outside graduated cylinder, the row's of employing saturated common salt water law measures gas production rate.
5) when Water demand gaseous constituent, first carry out gaseous interchange and mixing by the gas compression in latex flexible pipe to anaerobism bottle, after 2 ~ 3 times, latex flexible pipe side is penetrated with band needle applicator, pull piston, under the effect of pressure difference, gas is inhaled in syringe, moveable for latex flexible pipe closure elements is moved to syringe pin hole front, leaks gas with anti-pitting.Gaseous sample inject gas chromatograph thief hole in syringe, can carry out the detection of gaseous constituent.
Device described in the utility model, simple structure, can carry out the collection of gaseous sample in producing methane through anaerobic fermentation and biogas, and the maintenance and the gaseous sample that are beneficial to fermentation system anaerobic environment carry out detection analysis quickly and easily.
Accompanying drawing explanation
Fig. 1 is the easy device of biogas generation and gas sample collection in the utility model.
In figure: 1, miniature fermenter; 2, flexible pipe 2; 3, flexible pipe 1; 4, closure elements; 5, graduated cylinder; 6, tank; 7, switching element.
Embodiment
Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Embodiment 1 one kinds of easy devices for anaerobically fermenting
A kind of device, as shown in Figure 1, is made up of with the flexible pipe 13 of infusion niidl miniature fermenter 1, tank 6, graduated cylinder 5, one end; Wherein, graduated cylinder is inverted in tank, and saturated aqueous common salt is filled in inside.
In the utility model device, the syringe needle of flexible pipe 1 passes in tank by plug in miniature fermenter, and the other end passes in inverted graduated cylinder; And flexible pipe 1 is positioned at graduated cylinder outside and establishes a moveable switching element 7 near graduated cylinder place.
Described device is also containing the flexible pipe 2 of one end with infusion niidl, and it is connected with miniature fermenter by syringe needle, and the gaseous sample collected by it is used for gas composition analysis.
Wherein, the end of described flexible pipe 2 is provided with 2 closure elements 4; Closure elements near end is used for closing whole flexible pipe, and prevent air from entering, it is invariant position in anaerobically fermenting and gas sample collection process; Another closure elements can need to adjust position according to collection gas, after needle applicator has gathered gaseous sample, this closure elements is moved forward to pin hole front, has leaked gas to prevent pin hole.
Described closure elements can be mosquito forceps, spring water stopper.
Described miniature fermenter is 200mL anaerobism bottle, and in it, plug is plug in butyl;
Described flexible pipe 1 is infusion tube for animals, and its band syringe needle one end is connected with miniature fermenter, and length is 0.5-1.2m.
Described flexible pipe 2 is the latex flexible pipe with infusion niidl, and its band syringe needle one end is connected with miniature fermenter, and length is 12-25cm, preferred 15-20cm.
The principle of work of device described in the utility model is as follows:
1) adopt 200mL anaerobism bottle as miniature fermenter, after loading sample and inoculum, in fermentor tank, be filled with nitrogen, fill nitrogen and terminate rear covering rapidly in butyl and fill in, then cover outer plug.
2) open switching element, in the infusion tube for animals that 1m is long, be filled with nitrogen, drive the air in flexible pipe.Filling nitrogen by time complete, being connected infusion tube band syringe needle one end by filling in butyl with anaerobism bottle, when terminating to fill nitrogen, rapid closing switch element is to seal infusion tube needle-less one end for animals.
3) be closely connected with the latex flexible pipe that infusion niidl for animals is long with 20cm, then infusion niidl is connected with anaerobism bottle by plug in butyl.Open the switching element of infusion tube 1 needleless head end, again be filled with nitrogen, now nitrogen is flowed out from latex hose end by whole device, fills when nitrogen closes to an end and closes latex flexible pipe 2 end with 2 closure elements immediately, terminate to fill nitrogen, closing switch element seals infusion tube needleless head end.
4) biogas occur and gas sample collection easy device installation after, infusion tube needleless head end for animals is stretched into and is inverted in graduated cylinder, open also moving switch element puts outside graduated cylinder simultaneously, and because saturated aqueous common salt filled by graduated cylinder, the row's of employing saturated common salt water law measures gas production rate.
5) when Water demand gaseous constituent, first carry out gaseous interchange and mixing by the gas compression in latex flexible pipe to anaerobism bottle, after 2 ~ 3 times, latex flexible pipe side is penetrated with band needle applicator, pull piston, under the effect of pressure difference, gas is inhaled in syringe, moveable for latex flexible pipe closure elements is moved to syringe pin hole front, leaks gas with anti-pitting.Gaseous sample inject gas chromatograph thief hole in syringe, can carry out the detection of gaseous constituent.
Device described in the present embodiment, structure is simple, and interface is few, and resistance to air loss is good, easy and simple to handle, and cost is low, is applicable to very much laboratory and uses; Not only can maintain the anaerobic environment of fermentation system, and the dynamic monitoring that gaseous sample carries out gaseous constituent can be collected simply, quickly, batch experiment of producing methane through anaerobic fermentation can be widely used in and produce the sampling analysis of gaseous sample in process of methane.
Although above done detailed description to the utility model with a general description of the specific embodiments, on the utility model basis, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements on the basis of not departing from the utility model spirit, all belong to the scope that the utility model is claimed.
Claims (9)
1. for a device for anaerobically fermenting, it is characterized in that, be all made up of with the flexible pipe 1 of infusion niidl and flexible pipe 2 miniature fermenter, tank, graduated cylinder, one end; Wherein graduated cylinder is inverted in tank, and saturated aqueous common salt is filled in inside;
The syringe needle of described flexible pipe 1 passes in miniature fermenter by plug in miniature fermenter, and the other end passes in inverted graduated cylinder; Described flexible pipe 1 is positioned at graduated cylinder outside and establishes a moveable switching element near graduated cylinder place;
The syringe needle of described flexible pipe 2 passes in miniature fermenter by plug in miniature fermenter, and its end is provided with 2 closure elements.
2. the device for anaerobically fermenting according to claim 1, is characterized in that, described flexible pipe 1 length 0.5-1.2m, diameter 2-5mm.
3. the device for anaerobically fermenting according to claim 1, is characterized in that, described flexible pipe 1 is infusion tube for animals, and its band syringe needle one end is connected with miniature fermenter.
4. the device for anaerobically fermenting according to claim 1, is characterized in that, described flexible pipe 2 is the latex flexible pipe with infusion niidl, and its band syringe needle one end is connected with miniature fermenter.
5. the device for anaerobically fermenting according to claim 1, is characterized in that, described flexible pipe 2 length 12-25cm, diameter 2-5mm.
6. the device for anaerobically fermenting according to claim 5, is characterized in that, described flexible pipe 2 length 15-20cm.
7. the device for anaerobically fermenting according to claim 1, is characterized in that, described flexible pipe 2 is fixed closed element near the closure elements of end, for closing whole flexible pipe, prevents air from entering; Another closure elements is mobile closed element, needs to adjust position according to collection gas.
8. the device for anaerobically fermenting according to claim 1, is characterized in that, the closure elements of described flexible pipe 2 is selected from mosquito forceps, spring water stopper.
9. the device for anaerobically fermenting according to claim 1, is characterized in that, described miniature fermenter is 200mL anaerobism bottle, and in it, plug is plug in butyl.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420830029.8U CN204369877U (en) | 2014-12-24 | 2014-12-24 | A kind of device for anaerobically fermenting |
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| CN201420830029.8U CN204369877U (en) | 2014-12-24 | 2014-12-24 | A kind of device for anaerobically fermenting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106434286A (en) * | 2016-11-30 | 2017-02-22 | 黑龙江省能源环境研究院 | Rotary anaerobic fermentation gas collector and using method thereof |
| CN108913540A (en) * | 2018-05-15 | 2018-11-30 | 西安建筑科技大学 | A kind of test micro anaerobic fermentation gas collecting apparatus and method |
-
2014
- 2014-12-24 CN CN201420830029.8U patent/CN204369877U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106434286A (en) * | 2016-11-30 | 2017-02-22 | 黑龙江省能源环境研究院 | Rotary anaerobic fermentation gas collector and using method thereof |
| CN108913540A (en) * | 2018-05-15 | 2018-11-30 | 西安建筑科技大学 | A kind of test micro anaerobic fermentation gas collecting apparatus and method |
| CN108913540B (en) * | 2018-05-15 | 2024-10-22 | 西安建筑科技大学 | Miniature anaerobic fermentation gas collection device and method for test |
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