CN101402912B - Self-mixing anaerobic reactor - Google Patents

Self-mixing anaerobic reactor Download PDF

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Publication number
CN101402912B
CN101402912B CN 200810155166 CN200810155166A CN101402912B CN 101402912 B CN101402912 B CN 101402912B CN 200810155166 CN200810155166 CN 200810155166 CN 200810155166 A CN200810155166 A CN 200810155166A CN 101402912 B CN101402912 B CN 101402912B
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CN
China
Prior art keywords
reactor
charging
pipe
reactor drum
shell
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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
Application number
CN 200810155166
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Chinese (zh)
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CN101402912A (en
Inventor
何若平
周华
韦萍
欧阳平凯
江晖
何青
江波
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Priority to CN 200810155166 priority Critical patent/CN101402912B/en
Publication of CN101402912A publication Critical patent/CN101402912A/en
Application granted granted Critical
Publication of CN101402912B publication Critical patent/CN101402912B/en
Expired - Fee Related legal-status Critical Current
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M27/00Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/18Flow directing inserts
    • C12M27/20Baffles; Ribs; Ribbons; Auger vanes

Abstract

The invention discloses a self-mixing anaerobic reactor which consists of a reactor bottom plate (1), a reactor shell (2), a reactor seal head (3), a feed main pipe (5), an outlet pipe (14) and a sludge discharge pipe (15). The reactor is characterized in that: the reactor shell (2) is of a vertically cylindrical structure with the lower end provided with the reactor bottom plate (1) and the upper end with the reactor seal head (3) and the top of the reactor seal head (3) is connected with the outlet pipe (14); and the lower part of the reactor shell (2) is respectively provided with the feed main pipe (5) and the sludge discharge pipe (15). The reactor can solve the problems of solid containing material existing during the anaerobic fermentation process such as poor mixing effect, high mixing energy consumption, blockage of feed pipes which causes difficulty in cleaning, uneven distribution of marital, large loss of gas and the like, can improve the gas production rate of the solid containing material and has the advantages of saving energy, high efficiency and being capable of realizing automation control.

Description

A kind of self-mixing anaerobic reactor
Technical field
The present invention relates to main body fermentation equipment in the big-and-middle-sized biogas engineering, especially a kind of self-mixing anaerobic reactor.
Background technology
Big-and-middle-sized biogas engineering is one of important means that solves the energy and problem of environmental pollution, except that industrial methane, all contains more insoluble solid in the employed fermentation raw material of most of biogas engineerings.For the anaerobic digestion techniques that contains solid material, domestic except that minute quantity adopts dried fermentation technique, all the other all adopt wet fermentation technique.Owing to contain and contain more straw, urban life biologic garbage in the solid material mostly and do not digest feed and fodder additives completely; Cause when adopting this type fermentation, be easy to generate problems such as feed pipe obstruction, distributor obstruction, material skewness.Though domestic have the part biogas engineering to adopt flow lifting type solid reactor (USR), full mixed anaerobic reaction device fermentation techniques such as (CSTR), has following shortcoming:
1. adopt the full mixed anaerobic digestive organ, operational process need consume a large amount of electric energy more.
2. do not resolve the charging obstruction and the distributor blockage problem of material.Because do not resolve the structure problem of charging and distributor, feed pipe and distributor often stop up.Especially widely used dendroid distributing process, when being applied to contain solid material system, the generation of stopping state is more frequent, and is difficult to mediation.Because, the cloth problem do not solve, so occur problems such as mixed effect is poor, material skewness easily.
3. adopted flow lifting type solid reactor (USR) fermentation technique in some biogas engineering; Can not supply material to form but be provided with in the reactor drum from the blended device; So mixed effect is poor; Material layering is obvious, and material and active sludge are short duration of contact, thereby causes the appearance of problems such as the material factor of created gase is low.
4. the discharging of most of anaerobic reactors is taked in the reactor shell inboard or the mode of the direct discharge tube of arranged outside; Owing to can produce syphonic effect in the process that material descends in extraction line; Cause a large amount of biological flue gas to discharge anaerobic reactor together, caused bigger energy loss in company with material.
The present invention adopts technical schemes such as multiple spot separate feeds in the outer house steward's feed of reactor drum, the reactor drum, ad hoc convenient mediation structure, cone-shaped cloth, three grades of water conservancy diversion, discharging balance to solve the problems referred to above, thereby has great application and promotional value.
Summary of the invention
The purpose of this invention is to provide a kind of self-mixing anaerobic reactor, with solve traditional anaerobic reactor energy consumption high, be prone to stop up, problem such as productive rate is low and the biological flue gas utilization ratio is low.
The objective of the invention is to realize through following technical proposal:
A kind of self-mixing anaerobic reactor; Form by reactor drum base plate 1, reactor shell 2, reactor drum end socket 3, charging house steward 5, escape pipe 14, shore pipe 15; It is characterized in that said reactor shell 2 is the vertical type cylinder tubular construction; Its lower end is provided with reactor drum base plate 1, and the upper end is provided with reactor drum end socket 3, and reactor drum end socket 3 tops connect escape pipe 14; Reactor shell 2 bottoms are respectively equipped with charging house steward 5 and shore pipe 15.
Said charging house steward 5 opening parts connect some chargings and are in charge of 16, and it is dismountable flange arrangement that 16 feed end is in charge of in charging.
Said charging is in charge of 16 terminal belows cone-shaped cloth device 4 is set, and cone-shaped cloth device 4 is conical, and its material is carbon steel or stainless steel.
Said reactor shell 2 inside are provided with pod 7, sealing gland 8 and following pod 6 from top to bottom successively.
Said reactor shell 2 inner and upper are provided with overflow weir 9, and overflow weir 9 bottoms connect downtake pipe 10, and downtake pipe 10 lower ends are provided with liquid packing 11, connect extraction line 12 on the liquid packing 11, and extraction line 12 discharge ends stretch out reactor shell 2 and opening is provided with down; Liquid packing 11 tops connect equilibration tube 13, and equilibration tube 13 ends stretch out reactor drum end socket 3 and bending down.
Said reactor drum base plate 1, reactor shell 2, reactor drum end socket 3, charging house steward 5, down pod 6, going up pod 7, sealing gland 8, overflow weir 9, downtake pipe 10, liquid packing 11, extraction line 12, equilibration tube 13, escape pipe 14, shore pipe 15 and charging, to be in charge of 16 material be carbon steel or stainless steel.
According to the invention to contain solid material be the fermentation methane production material that is mingled with insoluble solid, like cow dung, pig manure, chicken manure, waterplant and terrestrial plant stalk, domestic waste, city domestic sewage treatment plant excess sludge etc.
The present invention has following outstanding feature:
1, cone-shaped cloth device of the present invention is not in charge of with charging and is connected to form enclosed construction, so blockage problem can not take place.
2, charging house steward of the present invention is arranged on outside the reactor drum, as cleaning easily takes place to stop up; Charging is in charge of outermost end and is arranged to dismountable flange connection, as stops up, and can flange be taken apart, is convenient to independent mediation.
3, the present invention can realize circulating continuously, and feed liquid in the reactor drum is played from the blended effect.
4, structure of the present invention has solved the problem that biological flue gas is taken out of by discharging effectively.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a charging cloth structural representation of the present invention.
Wherein, 1 is in charge of for charging for shore pipe, 16 for escape pipe, 15 for equilibration tube, 14 for extraction line, 13 for liquid packing, 12 for downtake pipe, 11 for overflow weir, 10 for sealing gland, 9 for last pod, 8 for following pod, 7 for charging house steward, 6 for cone-shaped cloth device, 5 for reactor drum end socket, 4 for reactor shell, 3 for reactor drum base plate, 2.
Embodiment
A kind of self-mixing anaerobic reactor is made up of reactor drum base plate 1, reactor shell 2, reactor drum end socket 3, charging house steward 5, escape pipe 14, shore pipe 15.Reactor shell 2 is the vertical type cylinder tubular construction, and its lower end is provided with reactor drum base plate 1, and the upper end is provided with reactor drum end socket 3, and reactor drum end socket 3 tops connect escape pipe 14; Reactor shell 2 bottoms are respectively equipped with charging house steward 5 and shore pipe 15.
Charging house steward 5 opening parts connect several chargings and are in charge of 16, and charging is in charge of 16 exit end and above reactor drum base plate 1, is uniformly distributed with, and it is dismountable flange arrangement that 16 feed end is in charge of in charging.Charging house steward 5 is arranged on outside the reactor drum, as cleaning easily takes place to stop up; Charging is in charge of 16 and is told by charging house steward 5 openings, as stops up, and can flange be taken apart, separately cleaning.
Charging is in charge of 16 terminal belows cone-shaped cloth device 4 is set, and cone-shaped cloth device 4 is conical, and its material is carbon steel or stainless steel.The vertex of a cone is in charge of 16 center in charging, and when charging was in charge of feed liquid in 16 and is flowed through cone-shaped cloth device 4 downwards, the flow direction changed, and is tilted to current downflow along cone-shaped cloth device 4 trochoidal surfaces, and is diffused as a circular water distribution zone.
Reactor shell 2 inside are provided with pod 7, sealing gland 8, following pod 6 from top to bottom successively.It is conical that last pod 7 is, and the vertex of a cone upwards; It is conical that following pod 6 is, and the vertex of a cone is downward.
Reactor shell 2 inner and upper are provided with overflow weir 9; Overflow weir 9 surrounds annular groove with reactor shell 2; Overflow weir 9 bottoms are connected with downtake pipe 10; Downtake pipe 10 lower ends are provided with liquid packing 11, connect extraction line 12 on the liquid packing 11, and extraction line 12 discharge ends stretch out reactor shell 2 and opening is provided with down; Liquid packing 11 tops connect equilibration tube 13, and equilibration tube 13 ends stretch out reactor drum end socket 3 and bending down.
Reactor drum is vertical, cylindrical, adopts the weldering of carbon steel or stainless steel coiled sheet to form.Reactor drum base plate 1, cone-shaped cloth device 4, sealing gland 8 and liquid packing 11 adopt carbon steel or stainless steel plate to make.Reactor shell 2, down pod 6, go up pod 7 and overflow weir 9 adopts carbon steels or the weldering of stainless steel coiled sheet to form.Reactor drum end socket 3 adopts carbon steel or stainless steel plate weldering system, and is certain circular arc arch.
Charging house steward 5, downtake pipe 10, extraction line 12, equilibration tube 13, escape pipe 14, shore pipe 15, charging are in charge of 16 and are all adopted carbon steel or stainless steel tube to make, and concrete size can be set, adjust according to operating mode.
Concrete working process is following:
Material (cow dung, pig manure etc.) gets into each charging respectively by charging house steward 5 and is in charge of 16; When charging is in charge of feed liquid in 16 and is flowed through cone-shaped cloth device 4 downwards; The flow direction changes; Be tilted to current downflow along cone-shaped cloth device 4 trochoidal surfaces, and be diffused as a circular water distribution zone, and with anaerobic reactor in prepositioned active sludge contact the back and press usual manner anaerobically fermenting generation biological flue gas, natural pond liquid and natural pond slag.
Pod 6 upwards flowed with reactor shell 2 formed annular regions under the biological flue gas that material and fermentation produce passed through, and through the baffling effect of sealing gland 8, material and biological flue gas make progress mobile by the centre of last pod 7; Active sludge and solid particulate with settling property then flow downward with reactor shell 2 formed annular regions along last pod 7; Through the baffling effect of sealing gland 8, active sludge and solid particulate with settling property then flow to reactor bottom in the centre of pod 6 down in the edge.Circulate so continuously, feed liquid in the reactor drum is played from the blended effect.
Biological flue gas separates the back and discharges reactor drum through biological flue gas escape pipe 14 with feed liquid; When the feed liquid liquid level behind anaerobically fermenting surpasses the upper end of overflow weir 9; Feed liquid just overflow gets into overflow weir 9; Get into liquid packing 11 through downtake pipe 10 then, when the feed liquid liquid level in the liquid packing surpassed extraction line 11 tops, material was that overflow gets into extraction line 11 and outflow reactor; The biological flue gas that produces is extracted out because syphonic effect will ferment when preventing that feed liquid from flowing out liquid packing 11, so equilibration tube 13 and external world's communication are set on liquid packing 11 tops.
The sediment, mud etc. that are deposited in anaerobic reactor bottom are regularly discharged through shore pipe 15.

Claims (2)

1. self-mixing anaerobic reactor; Form by reactor drum base plate (1), reactor shell (2), reactor drum end socket (3), charging house steward (5), escape pipe (14), shore pipe (15); It is characterized in that said reactor shell (2) is the vertical type cylinder tubular construction; Its lower end is provided with reactor drum base plate (1), and the upper end is provided with reactor drum end socket (3), and reactor drum end socket (3) top connects escape pipe (14); Reactor shell (2) bottom is respectively equipped with charging house steward (5) and shore pipe (15); Said charging house steward (5) opening part connects some chargings and is in charge of (16), and the feed end that (16) are in charge of in charging is dismountable flange arrangement; (16) terminal cone-shaped cloth device (4) that connects is in charge of in said charging, and cone-shaped cloth device (4) is conical, and its material is carbon steel or stainless steel; Said reactor shell (2) inside is provided with pod (7), sealing gland (8) and following pod (6) from top to bottom successively; Said reactor shell (2) inner and upper is provided with overflow weir (9); Overflow weir (9) bottom connects downtake pipe (10); Downtake pipe (10) lower end is provided with liquid packing (11), and liquid packing (11) is gone up and connected extraction line (12), and extraction line (12) discharge end stretches out reactor shell (2) and opening is provided with down; Liquid packing (11) top connects equilibration tube (13), and equilibration tube (13) end stretches out reactor drum end socket (3) and bending down.
2. a kind of self-mixing anaerobic reactor according to claim 1, the material of it is characterized in that said reactor drum base plate (1), reactor shell (2), reactor drum end socket (3), charging house steward (5), descend pod (6), upward (16) being in charge of in pod (7), sealing gland (8), overflow weir (9), downtake pipe (10), liquid packing (11), extraction line (12), equilibration tube (13), escape pipe (14), shore pipe (15) and charging is carbon steel or stainless steel.
CN 200810155166 2008-10-23 2008-10-23 Self-mixing anaerobic reactor Expired - Fee Related CN101402912B (en)

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CN 200810155166 CN101402912B (en) 2008-10-23 2008-10-23 Self-mixing anaerobic reactor

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Application Number Priority Date Filing Date Title
CN 200810155166 CN101402912B (en) 2008-10-23 2008-10-23 Self-mixing anaerobic reactor

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CN101402912A CN101402912A (en) 2009-04-08
CN101402912B true CN101402912B (en) 2012-01-18

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103769015A (en) * 2012-10-18 2014-05-07 中国石油大学(北京) Segmented circulation reactor with flow guiding component on inner wall of outer barrel
CN105624022B (en) * 2016-03-16 2018-06-19 江南大学 A kind of dry method ozone pretreatment pretreater and method for improving stalk enzymatic saccharification rate
CN106148168A (en) * 2016-07-01 2016-11-23 方慧敏 Circulation in internally-powered vapour-pressure type interval/fluctuation stirring anaerobic reactor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2603806Y (en) * 2003-01-14 2004-02-18 赵可军 Methane generator
CN2642788Y (en) * 2003-08-22 2004-09-22 胡照勇 Glass fibre reinforced plastic pontoon type methane tank

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2603806Y (en) * 2003-01-14 2004-02-18 赵可军 Methane generator
CN2642788Y (en) * 2003-08-22 2004-09-22 胡照勇 Glass fibre reinforced plastic pontoon type methane tank

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开平9-10615A 1997.01.14
JP特开平9-10616A 1997.01.14

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