CN101402911B - Sludge gas collecting device of organic waste dry type anaerobic fermentation system - Google Patents
Sludge gas collecting device of organic waste dry type anaerobic fermentation system Download PDFInfo
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- CN101402911B CN101402911B CN2008101169577A CN200810116957A CN101402911B CN 101402911 B CN101402911 B CN 101402911B CN 2008101169577 A CN2008101169577 A CN 2008101169577A CN 200810116957 A CN200810116957 A CN 200810116957A CN 101402911 B CN101402911 B CN 101402911B
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- inclined tube
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- fermentation system
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Abstract
The invention discloses a methane collecting device of an organic-waste dry anaerobic fermentation system, which comprises a plurality of standpipes and inclined pipes; pores communicated with the interior of the pipes are arranged on each standpipe and each inclined pipe; the standpipes are connected through the inclined pipes which are arranged in an inclined manner to form an air collecting device with a three-dimensional network structure in which the plurality of standpipes and the inclined pipes are mutually communicated. The device has simple structure and can smoothly collect methane generated in the dry anaerobic fermentation system and discharge the methane.
Description
Technical field
The present invention relates to a kind of collecting methane technology, relate in particular to a kind of sludge gas collecting device that is used for organic waste dry type anaerobic fermentation system.
Background technology
Along with The development in society and economy and quickening of urbanization process; The generation of China's MSW increases sharply; Especially the biomass garbages that exist in a large number in the MSW; Have that generation is big, readily biodegradable and high aqueous characteristics, become the primary pollution source of solid waste pollution environment.Adopt anaerobic fermentation technology to handle the biomass organic waste; Not only can realize the harmless treatment of refuse, can also reclaim useful material, can be used for generating, heating, illumination etc. like the biogas that produces; Postdigestive residue and natural pond liquid are the high-quality fertilizer material; Can be applied to the farmland, improve the soil, increase fertilizer efficiency.Can predict, over the next several years in, anaerobic digestion techniques will formation and traditional waste disposal method complementary technology such as sanitary landfill, burning and compost general layout.
The organic waste anaerobic digestion techniques has a lot of sorting techniques, and wherein what can be divided into wet type anaerobic digester system (solid content is less than 15%) and two kinds of dry anaerobic digestion systems (solid content is 20%～40%) by solids content.Compare with the wet type anaerobic system, the dry type anaerobic system has many advantages, as: the equipment volume of (1) dry anaerobic digestion system is 1/3～1/2 of a wet type, and floor space is little, less investment, energy consumption is little, working cost is low; (2) organic loading of dry anaerobic digestion system and gas producing efficiency are all apparently higher than the wet type anaerobic digester system; (3) can not produce scum layer and deposition in the dry anaerobic digestion treating processes; (4) after-treatment system of dry anaerobic digestion product is simple, and scale is less.In recent years, the dry-type anaerobic fermentation technology has obtained development rapidly.
But the solid content of material is high in the dry anaerobic digestion system, particle content is many, flowability is poor, therefore occurs the material compaction problems easily, can cause adverse influence to the discharge of biogas, and this phenomenon is particularly evident in not having the dry type anaerobic fermentation system that stirs.
Summary of the invention
Embodiment of the present invention provides a kind of sludge gas collecting device of organic waste dry type anaerobic fermentation system, can collect and it is discharged smoothly the biogas in the organic waste dry type anaerobic fermentation system.
The objective of the invention is to realize through following technical scheme:
Embodiment of the present invention provides a kind of sludge gas collecting device of organic waste dry type anaerobic fermentation system; Comprise: many standpipes and Duo Gen inclined tube; Be equipped with hole a plurality of and the pipe internal communication on every standpipe and every inclined tube, many standpipes many inclined tubes through oblique setting are connected to form the gas collector of the tridimensional network that many standpipes and many inclined tubes be interconnected.
The diameter of said standpipe is 150～300mm.
Hole on the said standpipe is for evenly being arranged on standpipe surface and being communicated with riser interiors, and the aperture is 5～10mm, and the opening direction in hole be oblique below, and is 40～50 to spend with the angle of vertical direction, and the surperficial percentage of open area of standpipe is 10～30%.
The diameter of said inclined tube is 20～40mm, and the inclined tube two ends are connected with adjacent standpipe, and the angle of inclined tube and horizontal direction is 30～45 degree, and the spacing of neighbouring inclined tube is 1～2m.
Said inclined tube is with after standpipe is connected, and the hole that inclined tube is opened is evenly distributed on lower part of inclined tube, the opening in hole down, the aperture in hole is 5～10mm on the inclined tube, the percentage of open area on inclined tube surface is 10～20%.
The total area of perforate is 1～2 times of place anaerobic fermentation tank cross-sectional area on said whole standpipe and the inclined tube.
Technical scheme by the invention described above embodiment provides can be found out; Embodiment of the present invention combines with inclined tube through standpipe and forms the gas collector of tridimensional network; During use this device is arranged in the material of organic waste dry type anaerobic fermentation system; Through a plurality of holes on standpipe and the inclined tube, with exposing perforate discharge by standpipe behind the collecting methane that produces in the material in the material outside.This apparatus structure is simple, can well assist organic waste dry type anaerobic fermentation system to carry out the collection and the discharge of biogas.
Description of drawings
Fig. 1 is the sludge gas collecting device structural representation of the embodiment of the invention;
Fig. 2 is the standpipe cross sectional representation of the embodiment of the invention;
Fig. 3 is the standpipe shaft section synoptic diagram of the embodiment of the invention;
Fig. 4 is the inclined tube cross sectional representation of the embodiment of the invention;
Fig. 5 is the inclined tube shaft section synoptic diagram of the embodiment of the invention.
Embodiment
Embodiment of the present invention is a kind of sludge gas collecting device of organic waste dry type anaerobic fermentation system; Can well collect the biogas that produces in the organic waste dry type anaerobic fermentation system through this device; This device specifically comprises: many standpipes and Duo Gen inclined tube; Be equipped with hole a plurality of and the pipe internal communication on every standpipe and every inclined tube, many standpipes many inclined tubes through oblique setting are connected to form the gas collector of the tridimensional network that many standpipes and many inclined tubes be interconnected.This apparatus structure is simple; When being arranged in the material of dry type anaerobic fermentation system; With after the collecting methane that produces in the material is in the standpipe, discharge in the hole on the standpipe that exposes the material part, has greatly made things convenient for the collection of organic waste dry type anaerobic fermentation system biogas through the hole on standpipe and the inclined tube.
For ease of understanding, the present invention is described further below in conjunction with accompanying drawing and specific embodiment.
Embodiment one
Present embodiment provides a kind of sludge gas collecting device of organic waste dry type anaerobic fermentation system; This device can be used in the dry type anaerobic fermentation system; Structure is as shown in Figure 1, specifically is made up of many standpipes 1 and many inclined tubes 2, is equipped with hole a plurality of and the pipe internal communication on each standpipe and each inclined tube; After the inclined tube of each standpipe through oblique setting interconnects; Each standpipe and each inclined tube are interconnected and form the solid space reticulated structure, and shown in Fig. 1 is 5 cylindricality tridimensional networks, also can be as required standpipe and inclined tube be connected into the tridimensional network of other form.
Wherein, the structure of said standpipe 1 is like Fig. 2, shown in 3, and the diameter of standpipe 1 is 150～300mm; The hole 21 of opening on the standpipe 1 is for evenly being arranged on the standpipe surface and being communicated with riser interiors, and the aperture is 5～10mm, and the opening direction in hole 21 is oblique below; And with the angle of vertical direction be 40～50 degree; Can avoid material to get in the hole like this, influence the collection of biogas, the percentage of open area on standpipe 1 surface is 10～30%.
The structure of said inclined tube 2 is like Fig. 4, shown in 5, and the diameter of inclined tube 2 is 20～40mm, and during installation, the inclined tube two ends are connected with adjacent standpipe; The angle β of inclined tube and horizontal direction is 30～45 degree, and the spacing of neighbouring inclined tube is 1～2m, and the opening in the hole 31 on the general inclined tube 2 can be straight line and arrange; When inclined tube 2 with after standpipe 1 is connected, on the inclined tube 2 opening in a plurality of holes 31 down, general inclined tube is with after standpipe is connected; The opening in hole can be avoided material to get in the hole like this hole is blocked under inclined tube on the inclined tube, influences to produce biogas in the collection material; The aperture in the hole on the inclined tube is 5～10mm, and the percentage of open area on inclined tube surface is 10～20%
In said apparatus, all the total area of perforate is 1～2 times of cross-sectional area of the anaerobic fermentation tank in the applied anaerobic fermentation system on standpipes and the whole inclined tubes, and competent collection and confinement of gases area can guarantee that biogas discharges smoothly from material.
In use; This device is located in the anaerobic fermentation tank of anaerobic fermentation system, this device passes the material bed setting in the anaerobic fermentation tank, wherein; Standpipe exceeds more than the 500mm of material surface; When producing biogas in the material, through the standpipe or a plurality of holes on the inclined tube of this device collecting methane is arrived in the body of standpipe or inclined tube, like this because standpipe and inclined tube internal communication; Then biogas is discharged by the hole of stretching out the standpipe surface on material at last; Guaranteed that organic waste dry type anaerobic fermentation system can, factors such as particle content many, flowability poor, material compacting high because of the solid content of material, the discharge of biogas is caused adverse influence, generally the level service area of every standpipe can reach 1～3m
2, promptly a standpipe can be collected 1～3m
2The biogas that the refuse of scope produces.
In sum, sludge gas collecting device in the embodiment of the invention, it is simple in structure, easy to use, can well assist organic waste dry type anaerobic fermentation system to carry out the collection and the discharge of biogas.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (5)
1. the sludge gas collecting device of an organic waste dry type anaerobic fermentation system; It is characterized in that; Comprise: many standpipes and Duo Gen inclined tube; Be equipped with hole a plurality of and the pipe internal communication on every standpipe and every inclined tube, the inclined tube of standpipe through oblique setting is connected to form the gas collector of the tridimensional network that many standpipes and many inclined tubes be interconnected;
Said inclined tube is with after standpipe is connected, and the hole that inclined tube is opened is evenly distributed on lower part of inclined tube, the opening in hole down, the aperture in hole is 5～10mm on the inclined tube, the percentage of open area on inclined tube surface is 10～20%.
2. device according to claim 1 is characterized in that, the diameter of said standpipe is 150～300mm.
3. device according to claim 1 and 2; It is characterized in that; Hole on the said standpipe is for evenly being arranged on the standpipe surface and being communicated with riser interiors, and the aperture is 5～10mm, and the opening direction in hole is oblique below; And with the angle of vertical direction be 40～50 degree, the percentage of open area on standpipe surface is 10～30%.
4. device according to claim 1 is characterized in that, the diameter of said inclined tube is 20～40mm, and the inclined tube two ends are connected with adjacent standpipe, and the angle of inclined tube and horizontal direction is 30～45 degree, and the spacing of neighbouring inclined tube is 1～2m.
5. device according to claim 1 is characterized in that, the total area of perforate is 1～2 times of place anaerobic fermentation tank cross-sectional area on said whole standpipes and the inclined tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101169577A CN101402911B (en) | 2008-07-21 | 2008-07-21 | Sludge gas collecting device of organic waste dry type anaerobic fermentation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101169577A CN101402911B (en) | 2008-07-21 | 2008-07-21 | Sludge gas collecting device of organic waste dry type anaerobic fermentation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101402911A CN101402911A (en) | 2009-04-08 |
| CN101402911B true CN101402911B (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101169577A Expired - Fee Related CN101402911B (en) | 2008-07-21 | 2008-07-21 | Sludge gas collecting device of organic waste dry type anaerobic fermentation system |
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| CN (1) | CN101402911B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2573489Y (en) * | 2002-10-09 | 2003-09-17 | 吴天藩 | Sewage and methane collecting and discharging pipe |
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2008
- 2008-07-21 CN CN2008101169577A patent/CN101402911B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2573489Y (en) * | 2002-10-09 | 2003-09-17 | 吴天藩 | Sewage and methane collecting and discharging pipe |
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| CN101402911A (en) | 2009-04-08 |
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Address after: 100081 Beijing city Haidian District North Shimonoseki street, No. 7 Patentee after: Sound Group Co.,Ltd. Address before: 100081 Beijing city Haidian District North Shimonoseki street, No. 7 Patentee before: Beijing Sound Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20150721 |
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