CN104450514B - The vertical plug-flow reactor of a kind of anaerobism - Google Patents
The vertical plug-flow reactor of a kind of anaerobism Download PDFInfo
- Publication number
- CN104450514B CN104450514B CN201410658245.3A CN201410658245A CN104450514B CN 104450514 B CN104450514 B CN 104450514B CN 201410658245 A CN201410658245 A CN 201410658245A CN 104450514 B CN104450514 B CN 104450514B
- Authority
- CN
- China
- Prior art keywords
- reactive agent
- feed
- air outlet
- dividing plate
- flow
- Prior art date
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/18—Flow directing inserts
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS 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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
Abstract
The present invention relates to the vertical plug-flow reactor of a kind of anaerobism, it is characterized in that: it comprises reactive agent, feed system, discharge system, return-flow system, gas collector and attemperator; The bottom surface of reactive agent inside arranges conical deflector, its end face arranges cylindric dividing plate directly over flow deflector, some holes are offered in the side of dividing plate lower end, the internal space of reactive agent is divided into the first space and second space by dividing plate, the end face in the first space is offered opening for feed and the first air outlet, the end face of second space is offered the second air outlet, discharge port is offered in the upper end of reactive agent sidewall; Feed system is connected with opening for feed, and discharge system is connected with discharge port, and discharge system is connected with feed system by return-flow system, and gas collector is connected with the first and second air outlets, and attemperator is measured and controlled the temperature in reactive agent in real time.The present invention is widely used in the anaerobically fermenting of little density material.
Description
Technical field
The present invention relates to a kind of biogas fermentation equipment, particularly about the vertical plug-flow reactor of a kind of anaerobism.
Background technology
Plug flow reactor (PlugFlowReactor, PFR) is also known as plug flow reactor, and material enters from one end, flows out from the other end, presents piston-type and passes state.Material presents stronger acidication effect at feed zone, and the generation of methane strengthens to the flowing in discharging direction along with material.Because charging lacks inoculum, so will reflux.Do not need whipping appts, structure is simple, can be applicable to the process of high suspended matter, but when the wet fermentation of process material as less in stalk isodensity, because material density is little, easily form scum silica frost and swim in anaerobic reactor top, produce layering, affect the contact of microorganism and material, operational efficiency is low.And due to layering, discharging TS concentration is unstable, when running continuously, hydraulic detention time and organic loading rate are difficult to control.
Summary of the invention
For the problems referred to above, the object of this invention is to provide and a kind ofly can reduce material acidifying and improve the vertical plug-flow reactor of anaerobism of reaction efficiency.
For achieving the above object, the present invention takes following technical scheme: the vertical plug-flow reactor of a kind of anaerobism, is characterized in that: it comprises reactive agent, feed system, discharge system, return-flow system, gas collector and attemperator; Described reactive agent comprises conical deflector, cylindric dividing plate, opening for feed, the first air outlet, the second air outlet and discharge port, described flow deflector is fixedly installed on the bottom surface of described reactive agent inside, described dividing plate to be positioned at directly over described flow deflector and to be fixedly installed on the end face of described reactive agent inside, described dividing plate top is fixedly connected with the end face of described reactive agent inside, described dividing plate bottom is unsettled, and the sidewall of described dividing plate lower end offers some holes; The internal space of described reactive agent is divided into two portions by described dividing plate, a part is the first space in described dividing plate, another part is the second space outside described dividing plate, the end face of reactive agent described in described first place, space offers described opening for feed and the first air outlet, the end face of reactive agent described in described second space place offers described second air outlet, and described discharge port is arranged on the upper end of described reactive agent sidewall; Described feed system is connected with described opening for feed, and discharge port described in described discharge system connects, and described discharge system is connected with described feed system by described return-flow system, and described gas collector is connected with described first air outlet and the second air outlet; Described attemperator comprises temperature measuring apparatus and temperature-control device, and described temperature measuring apparatus measures the temperature in described reactive agent, and described temperature-control device controls the temperature in described reactive agent in real time.
Described feed system comprises fresh feed pump, feeding line and feed valve, and described discharge system comprises bleeder valve, the first discharging pipeline and discharging pump, and described return-flow system comprises the second discharging pipeline, solid-liquid separator, reverse flow valve and reflux pipeline; Described fresh feed pump is connected with described opening for feed with feed valve by described feeding line successively, described discharge port is connected with the import of described discharging pump with the first discharging pipeline by described bleeder valve successively, described discharging pump outlet is connected with the import of described solid-liquid separator by described second discharging pipeline, the liquid exit of described solid-liquid separator is connected with the import of reflux pipeline with described fresh feed pump by described reverse flow valve successively, and the solid outlet of described solid-liquid separator is connected with a solid recovery unit.
The cone angle of described conical deflector is set to 45 °.
On the first exhaust charge line that described gas collector is connected with described first air outlet and on the second exhaust charge line of being connected with the second air outlet of described gas collector, first row air valve and second row air valve are set respectively.
The exhaust-gas receiver line that described gas collector is connected with described first air outlet and the second air outlet arranges a gas meter, one end of described gas meter is connected with described first row air valve and second row air valve, and its other end is connected with the entrance of described gas collector.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the internal space of reactive agent is divided into the first space and second space two portions owing to adopting cylindric dividing plate by the present invention, the sidewall of dividing plate lower end offers some holes, material is pumped into the first space from opening for feed by fresh feed pump, under the effect of gravity and fresh feed pump pump pressure, material is plug-flow from top to bottom, and within a short period of time fully contacts generation gas with the microorganism in reactive agent bottom liquid, thus reduce the acidifying of feed zone material; Under the effect of flow deflector, reacted material enters second space after changing direction fast, and under the effect of liquid buoyancy and storeroom thrust plug-flow from bottom to top, liquid is by the transverse flow in reactive agent of the hole on dividing plate, first space fully can be contacted with the microorganism in liquid with the material in second space simultaneously, thus improve reaction efficiency; Natural pond liquid again circulates and enters in reactive agent after discharge system, return-flow system and feed system, and therefore the present invention can reduce material acidifying and can improve reaction efficiency.Based on above advantage, the present invention can be widely used in the anaerobically fermenting of little density material.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
The vertical plug-flow reactor of anaerobism of the present invention comprises reactive agent 1, feed system 2, discharge system 3, return-flow system 4, gas collector 5 and attemperator (not shown).Wherein, reactive agent 1 comprises conical deflector 11, cylindric dividing plate 12, opening for feed 13, first air outlet 15, air outlet 14, second and discharge port 16.Flow deflector 11 is fixedly installed on the bottom surface of reactive agent 1 inside, and dividing plate 12 to be positioned at directly over flow deflector 11 and to be fixedly installed on the end face of reactive agent 1 inside, and dividing plate 12 top is fixedly connected with the end face of reactive agent 1 inside, and its bottom is unsettled.For enabling the liquid transverse flow in reactive agent 1, the sidewall of dividing plate 12 lower end offers some holes.The internal space of reactive agent 1 is divided into two portions by dividing plate 12, and a part is the first space 17 in dividing plate 12, and another part is the second space 18 outside dividing plate 12.The end face of the first place, space 17 reactive agent 1 offers opening for feed 13 and the first air outlet 14, the end face of second space 18 place reactive agent 1 offers the second air outlet 15.Discharge port 16 is arranged on the upper end of reactive agent 1 sidewall, and when effectively preventing discharging, microorganism is gone out.
Feed system 2 is connected with the opening for feed 13 of reactive agent 1, discharge system 3 is connected with the discharge port 16 of reactive agent 1, discharge system 3 is connected with feed system 2 by return-flow system 4, and the first air outlet 14 and second air outlet 15 of gas collector 5 and reactive agent 1 are connected.Attemperator comprises temperature measuring apparatus (not shown) and temperature-control device (not shown).Wherein, temperature measuring apparatus measures the temperature in reactive agent 1, the temperature that temperature-control device records according to temperature measuring apparatus, controls the temperature in reactive agent 1 in real time.
In above-described embodiment, feed system 2 comprises fresh feed pump 21, feeding line 22 and feed valve 23.Discharge system 3 comprises bleeder valve 31, first discharging pipeline 32 and discharging pump 33.Return-flow system 4 comprises the second discharging pipeline 41, solid-liquid separator 42, reverse flow valve 43 and reflux pipeline 44.Fresh feed pump 21 is connected with opening for feed 13 with feed valve 23 by feeding line 22 successively.Discharge port 16 is connected with the import of discharging pump 33 with the first discharging pipeline 32 by bleeder valve 31 successively.The outlet of discharging pump 33 is connected with the import of solid-liquid separator 42 by the second discharging pipeline 41, the liquid exit of solid-liquid separator 42 is connected with the import of reflux pipeline 44 with fresh feed pump 21 by reverse flow valve 43 successively, and the solid outlet of solid-liquid separator 42 is connected with a solid recovery unit (not shown).
In above-described embodiment, flow out in reactive agent 1 for ease of controlling gas, on the first exhaust charge line 51 that gas collector 5 is connected with the first air outlet 14 and on the second exhaust charge line 52 of being connected with the second air outlet 15 of gas collector 5, first row air valve 53 and second row air valve 54 are set respectively.For ease of the gas production rate in the first space 17 in measurement reactive agent 1 and second space 18, the exhaust-gas receiver line 55 that gas collector 5 is connected with the first air outlet 14 and the second air outlet 15 arranges a gas meter 56, one end of gas meter 56 is connected with first row air valve 53 and second row air valve 54, and its other end is connected with the entrance of gas collector 5.
In above-described embodiment, the cone angle of conical deflector 11 is set to 45 °, and make to reach the material bottom reactive agent 1 and promote along the external conical surface of flow deflector 11, reacted material changes direction fast and enters second space 18, reduces dead band.
Working process of the present invention is: the mixture of material and inoculum is pumped into the first space 17 in reactive agent 1 by fresh feed pump 21 from opening for feed 13, under the effect of gravity and fresh feed pump 21 pump pressure, material is plug-flow from top to bottom, material arrives bottom reactive agent 1 fast, produce gas after contacting with the microorganism in reactive agent 1 bottom liquid, thus effectively prevent material acidifying.Under the guide functions of flow deflector 11, material is subject to the promotion of flow deflector 11 outside surface, enters second space 18, overcome demixing phenomenon after changing direction fast.Under the effect of buoyancy and flow deflector 11 thrust, material is plug-flow from bottom to top.The hole that dividing plate 12 lower end is offered makes liquid can transverse flow in reactive agent 1, thus enable the material in the first space 17 and second space 18 be infiltrated in the liquid of transverse flow, the material ensureing to enter the different residence time in reactive agent 1 can fully contact with the microorganism in liquid simultaneously, make up common plug-flow reactor in prior art and, without the shortcoming of horizontal mass transfer, solve the acidication problem that feed zone easily occurs.
Material residue from bottom to top plug-flow, to reactive agent 1 top, and to flow out from discharge port 16, and the material residue of outflow is pumped into solid-liquid separator 42 by discharging pump 33, and the liquid in material residue is separated with solid by solid-liquid separator 42.Isolated liquid mixes with the material that fresh feed pump 21 will pump into through reverse flow valve 43 and reflux pipeline 44 successively, to regulate charging TS concentration, inoculate material and to improve temperature of charge to reach operational requirement.Isolated solid enters in solid recovery unit and reclaims.Measure the leavening temperature in reactive agent 1 by temperature measuring apparatus, temperature-control device controls the temperature in reactive agent 1 in real time according to the temperature recorded.The gas that in reactive agent 1, fermentation produces enters in gas collector 5 through the first air outlet 14 and the second air outlet 15 respectively, collected by expellant gas in gas collector 5 pairs of reactive agents 1, by gas meter 56, the flow producing gas is measured before collection and confinement of gases.
The various embodiments described above are only for illustration of the present invention; wherein the structure of each parts, mode of connection and method steps etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (4)
1. the vertical plug-flow reactor of anaerobism, is characterized in that: it comprises reactive agent, feed system, discharge system, return-flow system, gas collector and attemperator; Described reactive agent comprises conical deflector, cylindric dividing plate, opening for feed, the first air outlet, the second air outlet and discharge port, described flow deflector is fixedly installed on the bottom surface of described reactive agent inside, described dividing plate to be positioned at directly over described flow deflector and to be fixedly installed on the end face of described reactive agent inside, described dividing plate top is fixedly connected with the end face of described reactive agent inside, described dividing plate bottom is unsettled, and the sidewall of described dividing plate lower end offers some holes; The internal space of described reactive agent is divided into two portions by described dividing plate, a part is the first space in described dividing plate, another part is the second space outside described dividing plate, the end face of reactive agent described in described first place, space offers described opening for feed and the first air outlet, the end face of reactive agent described in described second space place offers described second air outlet, and described discharge port is arranged on the upper end of described reactive agent sidewall;
Described feed system is connected with described opening for feed, and discharge port described in described discharge system connects, and described discharge system is connected with described feed system by described return-flow system, and described gas collector is connected with described first air outlet and the second air outlet; Described attemperator comprises temperature measuring apparatus and temperature-control device, and described temperature measuring apparatus measures the temperature in described reactive agent, and described temperature-control device controls the temperature in described reactive agent in real time;
Described feed system comprises fresh feed pump, feeding line and feed valve, and described discharge system comprises bleeder valve, the first discharging pipeline and discharging pump, and described return-flow system comprises the second discharging pipeline, solid-liquid separator, reverse flow valve and reflux pipeline; Described fresh feed pump is connected with described opening for feed with feed valve by described feeding line successively, described discharge port is connected with the import of described discharging pump with the first discharging pipeline by described bleeder valve successively, described discharging pump outlet is connected with the import of described solid-liquid separator by described second discharging pipeline, the liquid exit of described solid-liquid separator is connected with the import of reflux pipeline with described fresh feed pump by described reverse flow valve successively, and the solid outlet of described solid-liquid separator is connected with a solid recovery unit.
2. the vertical plug-flow reactor of a kind of anaerobism as claimed in claim 1, is characterized in that: the cone angle of described conical deflector is set to 45 °.
3. the vertical plug-flow reactor of a kind of anaerobism as claimed in claim 1 or 2, is characterized in that: arrange first row air valve and second row air valve respectively on the first exhaust charge line that described gas collector is connected with described first air outlet and on the second exhaust charge line of being connected with the second air outlet of described gas collector.
4. the vertical plug-flow reactor of a kind of anaerobism as claimed in claim 3, it is characterized in that: the exhaust-gas receiver line that described gas collector is connected with described first air outlet and the second air outlet arranges a gas meter, one end of described gas meter is connected with described first row air valve and second row air valve, and its other end is connected with the entrance of described gas collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658245.3A CN104450514B (en) | 2014-11-18 | 2014-11-18 | The vertical plug-flow reactor of a kind of anaerobism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658245.3A CN104450514B (en) | 2014-11-18 | 2014-11-18 | The vertical plug-flow reactor of a kind of anaerobism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104450514A CN104450514A (en) | 2015-03-25 |
| CN104450514B true CN104450514B (en) | 2016-03-16 |
Family
ID=52897273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410658245.3A Active CN104450514B (en) | 2014-11-18 | 2014-11-18 | The vertical plug-flow reactor of a kind of anaerobism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104450514B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315237B (en) * | 2018-04-28 | 2023-07-18 | 农业部沼气科学研究所 | Gravity plug flow type dry fermentation gas fertilizer co-production device and method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201224729Y (en) * | 2008-05-04 | 2009-04-22 | 东北农业大学 | Methane two-phase anaerobic fermentation gas stirring system |
| CN101775351A (en) * | 2010-02-08 | 2010-07-14 | 张华� | Novel vertical flexible covering film anaerobic fermentation device |
| CN201634674U (en) * | 2010-03-24 | 2010-11-17 | 东北农业大学 | Biphase anaerobic fermentation and acidification reaction device |
| CN103173348A (en) * | 2011-12-22 | 2013-06-26 | 新奥科技发展有限公司 | Two-phase integrated dry-type anaerobic digestion reactor and treatment method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130196375A1 (en) * | 2010-06-23 | 2013-08-01 | Strobbe Tech A/S | Biopharmaceutical process apparatuses assembled into a column |
-
2014
- 2014-11-18 CN CN201410658245.3A patent/CN104450514B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201224729Y (en) * | 2008-05-04 | 2009-04-22 | 东北农业大学 | Methane two-phase anaerobic fermentation gas stirring system |
| CN101775351A (en) * | 2010-02-08 | 2010-07-14 | 张华� | Novel vertical flexible covering film anaerobic fermentation device |
| CN201634674U (en) * | 2010-03-24 | 2010-11-17 | 东北农业大学 | Biphase anaerobic fermentation and acidification reaction device |
| CN103173348A (en) * | 2011-12-22 | 2013-06-26 | 新奥科技发展有限公司 | Two-phase integrated dry-type anaerobic digestion reactor and treatment method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104450514A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103664270A (en) | Full-automatic aerobic composting test equipment | |
| CN101768549A (en) | S-shaped channel type anaerobic fermentation device | |
| CN101812400A (en) | Vertical dry-process anaerobic fermentation device | |
| CN103091133A (en) | Collection and volume determination device of gas produced by fermentation | |
| CN104759228B (en) | Gas push formula is from stirring combination purification groove | |
| CN104450514B (en) | The vertical plug-flow reactor of a kind of anaerobism | |
| CN205115478U (en) | But stratified sampling's fermentation cylinder | |
| CN104031834A (en) | Hydrogen manufacturing method through photosynthetic bacterium continuous reaction | |
| CN102586095B (en) | Gas stripping convective circulation anaerobic digestion reactor | |
| CN103881901A (en) | Efficient dry-type anaerobic fermentation equipment for organic solid waste | |
| CN202440509U (en) | Gas stripping convective circulation anaerobic digestion reactor | |
| CN106190811A (en) | A kind of diphasic anaerobic fermentation is from stirring reaction unit | |
| CN205115480U (en) | Severe cold district high temperature anaerobic fermentation automatic feed system | |
| CN104293654A (en) | Novel biogas digester | |
| CN204779595U (en) | Ferment tank for marsh gas | |
| CN204727879U (en) | Universal optical electrical integrated dry fermentation monomer methane-generating pit | |
| CN208980713U (en) | The biogas recirculation utilizing works system of waste dish step fermentation | |
| CN204130601U (en) | Storage battery liquid specific stopper and supplementary special purpose device | |
| CN202610228U (en) | Anaerobic fermentation system | |
| CN202148308U (en) | Modularization anaerobic reactor | |
| CN205874427U (en) | Novel piston biogas fermentation device | |
| CN204454734U (en) | The desulfurization integrated self-circulation type anaerobic reactor of a kind of gas holder | |
| CN104928160A (en) | Universal photoelectric integral dry fermentation single biogas digester | |
| CN205314971U (en) | Automatic dispensing system of agent is arranged to bubble with electronic manometer | |
| CN205314969U (en) | Automatic dispensing system of agent is arranged to bubble with liquid level measuring instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |