CN204417505U - Novel vinasse dry method anaerobic digestion methane production device - Google Patents
Novel vinasse dry method anaerobic digestion methane production device Download PDFInfo
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- CN204417505U CN204417505U CN201520044479.9U CN201520044479U CN204417505U CN 204417505 U CN204417505 U CN 204417505U CN 201520044479 U CN201520044479 U CN 201520044479U CN 204417505 U CN204417505 U CN 204417505U
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- 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
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Abstract
The utility model discloses a kind of novel vinasse dry method anaerobic digestion methane production device, comprise reactor tank body (1) and mixing pit (8), it is characterized in that: be respectively equipped with one or more layers side direction syringe (2) in reactor tank body (1) both sides, every layer is one or more side direction syringes (2), reactor tank body (1) inner upper is provided with top injection pipe (5), reactor tank body (1) front side is provided with can open type hermatic door (4), top is provided with elasticity gas skirt (7) and vapor pipe (6), and bottom is provided with intercepting basin (3); Side direction syringe (2) is connected with mixing pit (8) by pressure pump with top injection pipe (5).The utility model improves the mixing of inoculation mud and vinasse in reaction, avoids and use agitator in reaction, decrease the pre-treatment of vinasse, improve unit volume biogas output simultaneously.Can be used for high density vinasse and other organic waste waters, the process of solid waste and energy recovery.
Description
Technical field
The utility model belongs to field of Environment Protection, relates to a kind of novel vinasse dry method anaerobic digestion methane production device particularly, can be used for high density vinasse and other organic waste waters, the process of solid waste and energy recovery.
Background technology
Brewery's fermentable produces a large amount of drunk fish while producing alcohol, contains comparatively high organic, comprise Crude starch, crude protein, crude fat, robust fibre etc. in vinasse; The general 60-65% of fresh grain stillage moisture content rate (solid content 35-40%) do not dewatered; After dehydration, the general 5-10% of distiller's dried grain moisture content rate (solid content 90-95%), dehydration needs a large amount of heat energy digestion; Direct discharge vinasse not only waste resource, and bring serious environmental problem, and thus vinasse resource utilization receives and pays close attention to widely.
Anaerobic digestion is a kind of technology quite ripe at present, its basic functional principle is in anaerobic environment, utilizes anaerobion (comprising zymogenic bacteria, hydrogen-producing acetogens, consumption hydrogen consumption acetic acid bacteria, food producing hydrogen and methane bacterium, food acetic acid and methane producing bacterium etc.) that complicated organic matter degradation is generated mineral compound and the gas such as methane, carbonic acid gas.The gas produced, is called biogas, the methane containing about 40-70%, in family and industrial application, can be regarded as a kind of renewable energy source.
At present in brewery's vinasse process, wet method anaerobic digestion has obtained applying quite widely, and this technology can process the organic waste of solid content below 15%; Its shortcoming is that large, the required floor space of reactor volume is large, and energy consumption is large, and unit volume gas production rate is lower.
In order to improve unit volume gas production rate, in recent years, during dry method anaerobic digestion techniques progressively develops; Dry method anaerobic digestion can process the organic waste of solid content 15-50%, thus significantly can reduce reactor volume, improves unit volume gas production rate simultaneously.Because fresh grain stillage solid content is at about 35-40%, dry method Anaerobic Digestion can without the need to or only need to change fresh grain stillage moisture on a small quantity, thus can save a large amount of energy and water resources.But dry method anaerobic digestion improves solid content and also brings corresponding problem, particularly reduces the speed of reactor inner transmission matter heat transfer, add regional bacterial classification, organic skewness weighing apparatus; High solid content too increases the difficulty of stirring simultaneously, and as easy as rolling off a log overheated, the blade of stirrer is very easy to be corroded.
Summary of the invention
The purpose of this utility model is to solve the problem and provides the dry method anaerobic digestion reaction vessel of a kind of effective combined inoculation mud and digestion material, by improving apparatus structure and the operating method of dry method anaerobic digestion reaction vessel, avoid and stirrer is set in reactor, facilitate the degree of mixing of inoculation mud and digestion material in reactor, from making to improve the reliability of dry method anaerobic digestion and the factor of created gase of biogas simultaneously.
The purpose of this utility model and solve its technical problem underlying and realize by the following technical solutions: a kind of novel vinasse dry method anaerobic digestion methane production device, comprise reactor tank body and mixing pit, one or more layers side direction syringe is respectively equipped with in reactor tank body both sides, every layer is one or more side direction syringes, reactor tank body inner upper is provided with top injection pipe, being provided with on front side of reactor tank body can open type hermatic door, top is provided with elasticity gas skirt and vapor pipe, and bottom is provided with intercepting basin; Side direction syringe is connected with mixing pit by pressure pump with top injection pipe.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: reactor tank body is square or rectangle, use concrete or carbon steel building, there is preservative coat inside.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: it is anticorrosion that mixing pit inwall does epoxy resin.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: side direction syringe and top injection pipe inner segment are flats.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: side direction syringe position, both sides is in staggered distribution up and down, every root side direction syringe spacing is 1-3 rice.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: top injection pipe extend into reactor mid-way.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: can open type hermatic door lower end near ground.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: reactor tank base is put slope or established leg.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: mixing pit volume is 1/10 to 1/5 of reactor tank body.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: in mixing pit, establish agitator.
Utility model works process: the fresh grain stillage of solid content 35-40% is transported to reactor by forklift or other devices, reserved part space, top, closes hermatic door.Pre-prepd vinasse anaerobic digestion product is after mixing pit and water are uniformly mixed, and solid content is reduced to 5-15%, as inoculation mud.Inoculation mud is injected into reactor via pressure pump from reactor both sides and top syringe.In reactor, the distribution of inoculation mud layered, and progressively ooze down under action of gravity and biogas Float upward function, and anaerobic digestion mixing of materials.Because this inoculation mud directly comes from vinasse digestion product, the bacterial classification adaptation cycle is shorter than the inoculated mediums such as traditional activated mud.Without the need to arranging agitator in reactor.The biogas produced is collected on reactor top.Because in reactor, solid content is high, under normal circumstances, waste liquid can not be produced in reaction process.If any a small amount of waste liquid, can be collected by intercepting basin.Reaction times is at 20-30 days.When methane gas producing amount obviously declines, reactor, stopped reaction can be opened.Partial digested product can be transferred to mixing pit, as the inoculation mud of lower secondary response.Residue digestion product can landfill or making compost.
The utility model compared with prior art has obvious advantage and beneficial effect.From above technical scheme, the utility model has following characteristics:
1. this reactor is square or rectangle, and use concrete or carbon steel building, there is preservative coat inside, the special character of this design is that of avoiding and uses traditional cartridge type design, decrease construction cost, portion is provided with vapor pipe near top on the reactor wall, for collecting the biogas of generation; Reactor head is provided with elasticity gas skirt, can adapt to pressure change to a certain degree.
2. being provided with in reactor side can open type hermatic door, and sealing door lower end is near ground, so that when opening, the transportation equipments such as forklift can pass in and out.
3. in reactor both sides, side direction syringe is housed, syringe is connected to pressure pump, for reactor provides inoculation mud; According to the pressure of pump, syringe suitably stretches into reactor.According to the size of reactor, one or more layers syringe is equipped with in both sides, and every layer can one or more syringes.Syringe spacing is 1-3 rice.Stagger up and down in syringe position, both sides.
4. above inside reactor, there is a top injection pipe to extend in the middle of reactor, reaction required inoculation mud is provided above material.
5. reactor bottom is suitably put slope or is established leg, and is provided with intercepting basin in mid-way, collects issuable liquid in anaerobic digestion process.
6. contain a large amount of useful bacterial classifications in digestion product, thus can recycle.The digestion product of 10-20% can be transferred in mixing pit, adds suitable quantity of water to improve mobility.After mixing, material is expelled in reactor tank as anaerobic digestion inoculation mud by pressure pump.Mixing pit volume is 1/10 to 1/5 of reactor, and only uses in reactor each digestive process initial stage.
7. reactor tank body is interior without the need to arranging agitator, decreases production cost equally.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the schematic diagram of the utility model syringe.
Mark in figure: 1, reactor tank body, 2, side direction syringe, 3, intercepting basin, 4, can open type hermatic door, 5, top injection pipe, 6, vapor pipe, 7, elasticity gas skirt, 8, mixing pit, 9, agitator.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to novel vinasse dry method anaerobic digestion methane production device embodiment, feature and the effect thereof that the utility model proposes, be described in detail as follows.
See Fig. 1-2, a kind of novel vinasse dry method anaerobic digestion methane production device, comprise reactor tank body 1 and mixing pit 8, one or more layers side direction syringe 2 is respectively equipped with in reactor tank body 1 both sides, every layer is one or more side direction syringes 2, and reactor tank body 1 inner upper is provided with top injection pipe 5, and being provided with on front side of reactor tank body 1 can open type hermatic door 4, top is provided with elasticity gas skirt 7 and vapor pipe 6, and bottom is provided with intercepting basin 3; Side direction syringe 2 is connected with mixing pit 8 by pressure pump with top injection pipe 5.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: reactor tank body 1 is square or rectangle, use concrete or carbon steel building, there is preservative coat inside.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: it is anticorrosion that mixing pit 8 inwall does epoxy resin.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: side direction syringe 2 and top injection pipe 5 inner segment are flats.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: side direction syringe 2 position, both sides is in staggered distribution up and down, every root side direction syringe 2 spacing is 1-3 rice.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: top injection pipe 5 extend into reactor mid-way.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: can open type hermatic door 4 lower end near ground.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: put slope bottom reactor tank body 1 or establish leg.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: mixing pit 8 volume is 1/10 to 1/5 of reactor tank body 1.
Above-mentioned novel vinasse dry method anaerobic digestion methane production device, wherein: in mixing pit 8, establish agitator 9.
Embodiment:
A kind of novel vinasse dry method anaerobic digestion methane production device, comprises a square concrete reactor and a mixing pit.It is anticorrosion that reactor and mixing pit inwall do epoxy resin.On the left of reactor, be provided with two-layer side direction syringe, every layer of 2 syringe, layer distance is 2 meters; On the right side of reactor, be provided with two-layer side direction syringe equally, every layer of 2 syringe, layer is apart from being 2 meters, and right side syringe is lower than left side syringe 1 meter.Both sides side direction syringe stretches into reactor 0.5 meter.The syringe inner segment mouth of pipe flattens, and when pressure pump pumps into inoculation mud, inoculation mud forms fan-shaped layered distribution.Fan-shaped radius, close to reaction tank width, is at least the half of width.Above inside reactor, be provided with a syringe, this syringe extend into reactor mid-way, is covered by inoculation mud above digestion material.Cladding thickness is more than 5 centimetres.Reactor head is provided with elasticity gas skirt, can change along with the pressure of biogas.Be provided with a hermatic door on front side of reactor, bottom is put slope and is provided with intercepting basin.
It is highly 1/2 to 2/3 of height for reactor that fresh grain stillage is loaded in reactor, higher than both sides side direction syringe, lower than top injection pipe.Pressure pump cuts out immediately, prevents biogas from revealing from syringe after pumping into inoculation mud.When reaction is carried out, inoculation mud progressively oozes down and mixes with fresh grain stillage; Gas production rate progressively rises, and after arriving peak, starts to decline.When gas production rate drops to a certain degree, this reaction can be stopped.Reaction times can be controlled in 20-30 days.Open hermatic door, reaction product is shifted away.The reaction product of 15% delivers to mixing pit, after thin up, as the inoculation mud of lower secondary response.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, anyly do not depart from technical solutions of the utility model content, the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a novel vinasse dry method anaerobic digestion methane production device, comprise reactor tank body (1) and mixing pit (8), it is characterized in that: be respectively equipped with one or more layers side direction syringe (2) in reactor tank body (1) both sides, every layer is one or more side direction syringes (2), reactor tank body (1) inner upper is provided with top injection pipe (5), reactor tank body (1) front side is provided with can open type hermatic door (4), top is provided with elasticity gas skirt (7) and vapor pipe (6), and bottom is provided with intercepting basin (3); Side direction syringe (2) is connected with mixing pit (8) by pressure pump with top injection pipe (5).
2. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: reactor tank body (1) is square or rectangle, and use concrete or carbon steel building, there is preservative coat inside.
3. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: it is anticorrosion that mixing pit (8) inwall does epoxy resin.
4. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: side direction syringe (2) and top injection pipe (5) inner segment are flats.
5. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: side direction syringe (2) position, both sides is in staggered distribution up and down, and every root side direction syringe (2) spacing is 1-3 rice.
6. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: top injection pipe (5) extend into reactor mid-way.
7. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: can open type hermatic door (4) lower end near ground.
8. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: reactor tank body (1) bottom is put slope or establishes leg.
9. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: mixing pit (8) volume is 1/10 to 1/5 of reactor tank body (1).
10. novel vinasse dry method anaerobic digestion methane production device as claimed in claim 1, is characterized in that: establish agitator (9) in mixing pit (8).
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| CN201520044479.9U CN204417505U (en) | 2015-01-22 | 2015-01-22 | Novel vinasse dry method anaerobic digestion methane production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220289605A1 (en) * | 2021-03-15 | 2022-09-15 | David DeWaard | Automated Manifold For Removing Digestate From A Lagoon Digester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220289605A1 (en) * | 2021-03-15 | 2022-09-15 | David DeWaard | Automated Manifold For Removing Digestate From A Lagoon Digester |
| US11680000B2 (en) * | 2021-03-15 | 2023-06-20 | David DeWaard | Automated manifold for removing digestate from a lagoon digester |
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