CN104357321A - Fermentation method implemented by virtue of high-temperature anaerobic fermentation device - Google Patents
Fermentation method implemented by virtue of high-temperature anaerobic fermentation device Download PDFInfo
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- CN104357321A CN104357321A CN201410631956.1A CN201410631956A CN104357321A CN 104357321 A CN104357321 A CN 104357321A CN 201410631956 A CN201410631956 A CN 201410631956A CN 104357321 A CN104357321 A CN 104357321A
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- 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
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- 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
- C12M27/02—Stirrer or mobile mixing elements
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- 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
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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 invention relates to a fermentation method implemented by virtue of a high-temperature anaerobic fermentation device and belongs to the field of biological fermentation. The fermentation method is used for solving such problems of the existing high-temperature anaerobic fermentation method as low fermentation reaction accuracy and insufficient fermentation and comprises the following steps: firstly, injecting a material body into a fermentation tank by virtue of a transparent feed hopper, wherein the material body is higher than the lowest stirring blade and the volume of the injected material body is greater than 0 and less than four fifth of that of the fermentation tank; secondly, heating the fermentation tank by virtue of a heat-tracing band layer and a transmission shaft of a stirrer until the temperature of the fermentation tank body is between 53 DEG C and 55 DEG C; thirdly, stopping the transmission shaft of the stirrer from rotating for 1h after the transmission shaft rotates 50-70 minutes each time; fourthly, repeating the step 3 for eight times and then stopping the heat-tracing band layer and the transmission shaft from working, standing the material body inside the fermentation tank for 6 hours-8 hours and discharging the waste material by virtue of a material outlet formed in the side wall of the fermentation tank. The fermentation method is mainly used for biological fermentation.
Description
Technical field
The invention belongs to biological fermentation field.
Background technology
For the change of biological fermentation equitemperature process object slowly and with pure lag system, and in the process of high-temperature anaerobic fermentation, due to the effect of microorganism in fermentor tank, feces of livestock and poultry ferments in fermentor tank, can produce biochemical reaction heat during the fermentation, the release gradually of heat causes leavening temperature to rise gradually.So consider the biological respinse heat of material in the high-temperature anaerobic fermentation stage, in whole fermenting process, leavening temperature must strictly control.
Summary of the invention
The present invention is that the fermentation reaction precision in order to solve existing high-temperature anaerobic fermentation method is low, insufficient problem of fermenting, and the invention provides a kind of fermentation process adopting a kind of high-temperature anaerobic fermentation device to realize.
Adopt the fermentation process that a kind of high-temperature anaerobic fermentation device realizes, described a kind of high-temperature anaerobic fermentation device comprises agitator, the first tensimeter, transparent hopper, thermal insulation layer, heating tape layer, fermentor tank, temperature sensor; The motor of described agitator is arranged on the upper tops of fermentor tank, the transmission shaft of agitator arranges in fermentor tank through the upper cover of fermentor tank, the stirring rake of agitator is arranged on transmission shaft, the side wall upper part of fermentor tank is provided with biogas output tube, the inwall that first tensimeter is arranged on biogas output tube is communicated with biogas output tube, the output tube of transparent hopper penetrates the upper cover of fermentor tank, and be communicated with the inside of fermentor tank, the outside surface of fermentor tank is provided with heating tape layer and thermal insulation layer, and heating tape layer is arranged between the outside surface of fermentor tank and thermal insulation layer
The sidewall of fermentor tank is provided with discharge port, and the bottom of fermentor tank is provided with discharge pipe, and temperature sensor is fixed on the outer wall of fermentor tank, and the induction end of temperature sensor is placed in fermentor tank through fermentor tank outer wall;
It also comprises liquefying plant, window and electric heating sheets, and the biogas entrance of described liquefying plant is communicated with biogas output tube;
The sidewall of fermentor tank has through hole, and window is mounted on the through hole on fermentor tank sidewall,
Electric heating sheets is fixed on the transmission shaft of agitator, and described electric heating sheets is connected with external power source by wire;
The method comprises the steps:
Step one, injects material body by transparent hopper in fermentor tank, and the height of material body higher than that minimum stirring rake, and makes the volume of injection material body be greater than 0 and be less than 4/5ths of fermenter volume,
Step 2, makes the transmission shaft of heating tape layer and agitator heat fermentor tank, makes the temperature of material body in fermentor tank between 53 DEG C to 55 DEG C,
Step 3, stops operating one hour after making the transmission shaft of agitator often rotate 50 minutes to 70 minutes;
Step 4, after repetitive operation step 38 times, makes heating tape layer and agitator quit work, and the material body in fermentor tank leaves standstill 6 little after 8 hours, and weary material is discharged by the discharge port on fermentor tank sidewall.
The beneficial effect that the present invention brings is, apparatus of the present invention inner canister inside and outside homogeneous temperature improves fermentation precision, and newly-increased window can clearly observe, in tank body, whether material body ferments completely and controlling level, and add liquefying plant, make the biogas liquefied of generation, be convenient to the transport of biogas.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-temperature anaerobic fermentation device described in invention.
Embodiment
Embodiment one: present embodiment is described see Fig. 1, the fermentation process that a kind of high-temperature anaerobic fermentation device of employing described in present embodiment realizes, described a kind of high-temperature anaerobic fermentation device comprises agitator 1, first tensimeter 2, transparent hopper 16, thermal insulation layer 9, heating tape layer 14, fermentor tank 11, temperature sensor 5, the motor of described agitator 1 is arranged on the upper tops of fermentor tank 11, the upper cover that the transmission shaft 12 of agitator 1 passes fermentor tank 11 arranges in fermentor tank 11, the stirring rake 13 of agitator 1 is arranged on transmission shaft 12, the side wall upper part of fermentor tank 11 is provided with biogas output tube 20, the inwall that first tensimeter 2 is arranged on biogas output tube 20 is communicated with biogas output tube 20, the output tube of transparent hopper 16 penetrates the upper cover of fermentor tank 11, and be communicated with the inside of fermentor tank 11, the outside surface of fermentor tank 11 is provided with heating tape layer 14 and thermal insulation layer 9, and heating tape layer 14 is arranged between the outside surface of fermentor tank 11 and thermal insulation layer 9,
The sidewall of fermentor tank 11 is provided with discharge port 10, and the bottom of fermentor tank 11 is provided with discharge pipe 6, and temperature sensor 5 is fixed on the outer wall of fermentor tank 11, and the induction end of temperature sensor 5 is placed in fermentor tank 11 through fermentor tank 11 outer wall;
It also comprises liquefying plant 4, window 19 and electric heating sheets, and the biogas entrance of described liquefying plant 4 is communicated with biogas output tube 20;
The sidewall of fermentor tank 11 has through hole, and window 19 is mounted on the through hole on fermentor tank 11 sidewall,
Electric heating sheets is fixed on the transmission shaft 12 of agitator 1, and described electric heating sheets is connected with external power source by wire;
The method comprises the steps:
Step one, injects material body by transparent hopper 16 in fermentor tank 11, and the height of material body higher than that minimum stirring rake 13, and makes the volume of injection material body be greater than 0 and is less than 4/5ths of fermentor tank 11 volume,
Step 2, makes transmission shaft 12 pairs of fermentor tanks 11 of heating tape layer 14 and agitator 1 heat, and makes the temperature of material body in fermentor tank 11 between 53 DEG C to 55 DEG C,
Step 3, makes the transmission shaft 12 of agitator 1 often rotate after 50 minutes to 70 minutes and stops operating one hour;
Step 4, after repetitive operation step 38 times, makes heating tape layer 14 and agitator 1 quit work, and the material body in fermentor tank 11 leaves standstill 6 little after 8 hours, and weary material is discharged by the discharge port 10 on fermentor tank 11 sidewall.
Present embodiment, existing high-temperature anaerobic fermentation device is in concrete application process, in process to the heating that fermentor tank 11 carries out, transmission shaft 12 because of agitator 1 has the comprehensive action of heating function and agitator 1 stirring, material body in fermentor tank 11 is heated evenly, what the material body in fermentor tank 11 was fermented is more abundant, and adds the fermentation state that window 19 is more convenient to observe material body in fermentor tank 11.
Embodiment two: the fermentation process that present embodiment and a kind of high-temperature anaerobic fermentation device of the employing described in embodiment one realize, in described step 2, when in fermentor tank 11, the temperature of material body is brought down below 53 DEG C, and the transmission shaft 12 of agitator 1 is not when rotating, after making the transmission shaft 12 of heating tape layer 14 and agitator 1 stop heating 15min to fermentor tank 11, the interior material body of transmission shaft 12 pairs of fermentor tanks 11 restarting heating tape layer 14 and agitator 1 heats.
Control principle:
When charging time, start to stir timing 1 hour, then stop 1 hour, again stir afterwards, circulate after 8 times like this, discharging after static 6 hours, charging again, feed volume is equal with discharging volume, unloading position in the middle of digester, when being in an emergency, as biogas is revealed, discharge pipe 6 conducting immediately, lays down material all in tank
When temperature drops to set temperature time and not to when churning time, the temperature started in the middle of in hot digestion tank is high, the temperature in outside is low, unequal, and the average temperature of digester is higher than the temperature arranged, so time delay 15min, when stir time, in tank temperature mixing all with, the temperature of measurement is actual temperature in tank, so do not have time delay, the control accuracy of temperature in fermentor tank 11 is made to improve like this.
Embodiment three: the difference of the fermentation process that present embodiment and a kind of high-temperature anaerobic fermentation device of the employing described in embodiment one realize is, the output tube place of described transparent hopper 16 is provided with material inlet valve 15.
Present embodiment, material inlet valve 15 effectively controls the flow that material body injects.
Embodiment four: the difference of the fermentation process that present embodiment and a kind of high-temperature anaerobic fermentation device of the employing described in embodiment one realize is, it also comprises digester support 8, and digester support 8 is fixed on the outside surface of fermentor tank 11.
Embodiment five: the difference of the fermentation process that present embodiment and a kind of high-temperature anaerobic fermentation device of the employing described in embodiment one realize is, the exit of described discharge pipe 6 is provided with discharge gate 7.
Present embodiment, discharge gate 7 effectively regulates the discharge of material body.
Embodiment six: the difference of the fermentation process that present embodiment and a kind of high-temperature anaerobic fermentation device of the employing described in embodiment one realize is, is provided with under meter 3 between the biogas entrance of described liquefying plant 4 and biogas output tube 20.
Embodiment seven: the difference of the fermentation process that present embodiment and a kind of high-temperature anaerobic fermentation device of the employing described in embodiment one realize is, material body in step 4 in fermentor tank 11 left standstill after 6 hours, and weary material is discharged by the discharge port 10 on fermentor tank 11 sidewall.
Embodiment eight: the difference of the fermentation process that present embodiment and a kind of high-temperature anaerobic fermentation device of the employing described in embodiment one realize is, makes the transmission shaft 12 of agitator 1 often rotate after 60 minutes and stops operating one hour in step 3.
Claims (8)
1. adopt the fermentation process that a kind of high-temperature anaerobic fermentation device realizes, described a kind of high-temperature anaerobic fermentation device comprises agitator (1), the first tensimeter (2), transparent hopper (16), thermal insulation layer (9), heating tape layer (14), fermentor tank (11), temperature sensor (5), the motor of described agitator (1) is arranged on the upper tops of fermentor tank (11), the transmission shaft (12) of agitator (1) arranges in fermentor tank (11) through the upper cover of fermentor tank (11), the stirring rake (13) of agitator (1) is arranged on transmission shaft (12), the side wall upper part of fermentor tank (11) is provided with biogas output tube (20), the inwall that first tensimeter (2) is arranged on biogas output tube (20) is communicated with biogas output tube (20), the output tube of transparent hopper (16) penetrates the upper cover of fermentor tank (11), and be communicated with the inside of fermentor tank (11), the outside surface of fermentor tank (11) is provided with heating tape layer (14) and thermal insulation layer (9), and heating tape layer (14) is arranged between the outside surface of fermentor tank (11) and thermal insulation layer (9),
The sidewall of fermentor tank (11) is provided with discharge port (10), the bottom of fermentor tank (11) is provided with discharge pipe (6), temperature sensor (5) is fixed on the outer wall of fermentor tank (11), and the induction end of temperature sensor (5) is placed in fermentor tank (11) through fermentor tank (11) outer wall;
It also comprises liquefying plant (4), window (19) and electric heating sheets, and the biogas entrance of described liquefying plant (4) is communicated with biogas output tube (20);
The sidewall of fermentor tank (11) has through hole, and window (19) is mounted on the through hole on fermentor tank (11) sidewall,
Electric heating sheets is fixed on the transmission shaft (12) of agitator (1), and described electric heating sheets is connected with external power source by wire;
It is characterized in that, the method comprises the steps:
Step one, in fermentor tank (11), material body is injected by transparent hopper (16), the height of material body higher than minimum that stirring rake (13), and makes the volume of injection material body be greater than 0 and is less than 4/5ths of fermentor tank (11) volume
Step 2, makes the transmission shaft (12) of heating tape layer (14) and agitator (1) heat fermentor tank (11), makes the temperature of material body in fermentor tank (11) between 53 DEG C to 55 DEG C,
Step 3, makes the transmission shaft of agitator (1) (12) often rotate after 50 minutes to 70 minutes and stops operating one hour;
Step 4, after repetitive operation step 38 times, heating tape layer (14) and agitator (1) are quit work, material body in fermentor tank (11) leaves standstill 6 little after 8 hours, and weary material is discharged by the discharge port (10) on fermentor tank (11) sidewall.
2. the fermentation process of a kind of high-temperature anaerobic fermentation device realization of employing according to claim 1, it is characterized in that, in described step 2, when in fermentor tank (11), the temperature of material body is brought down below 53 DEG C, and the transmission shaft (12) of agitator (1) is not when rotating, make the transmission shaft (12) of heating tape layer (14) and agitator (1) stop after fermentor tank (11) heating 15min, the transmission shaft (12) restarting heating tape layer (14) and agitator (1) heats material body in fermentor tank (11).
3. the fermentation process of a kind of high-temperature anaerobic fermentation device realization of employing according to claim 1, it is characterized in that, the output tube place of described transparent hopper (16) is provided with material inlet valve (15).
4. the fermentation process of a kind of high-temperature anaerobic fermentation device realization of employing according to claim 1, it is characterized in that, it also comprises digester support (8), and digester support (8) is fixed on the outside surface of fermentor tank (11).
5. the fermentation process of a kind of high-temperature anaerobic fermentation device realization of employing according to claim 1, it is characterized in that, the exit of described discharge pipe (6) is provided with discharge gate (7).
6. the fermentation process of a kind of high-temperature anaerobic fermentation device realization of employing according to claim 1, is provided with under meter (3) between the biogas entrance of described liquefying plant (4) and biogas output tube (20).
7. the fermentation process of a kind of high-temperature anaerobic fermentation device realization of employing according to claim 1, material body in step 4 in fermentor tank (11) left standstill after 6 hours, and weary material is discharged by the discharge port (10) on fermentor tank (11) sidewall.
8. the fermentation process of a kind of high-temperature anaerobic fermentation device realization of employing according to claim 1, makes the transmission shaft of agitator (1) (12) often rotate after 60 minutes and stops operating one hour in step 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631956.1A CN104357321A (en) | 2014-11-11 | 2014-11-11 | Fermentation method implemented by virtue of high-temperature anaerobic fermentation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410631956.1A CN104357321A (en) | 2014-11-11 | 2014-11-11 | Fermentation method implemented by virtue of high-temperature anaerobic fermentation device |
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| CN104357321A true CN104357321A (en) | 2015-02-18 |
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| CN201410631956.1A Pending CN104357321A (en) | 2014-11-11 | 2014-11-11 | Fermentation method implemented by virtue of high-temperature anaerobic fermentation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108531389A (en) * | 2018-03-19 | 2018-09-14 | 中国农业大学 | Parameter monitoring device for internal-immersion type anaerobic fermentation tank and design method |
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| CN102643739A (en) * | 2011-02-22 | 2012-08-22 | 北京资盛隆环保科技有限公司 | Dry-method anaerobic fermentation device |
| CN102910730A (en) * | 2012-09-28 | 2013-02-06 | 方明环保科技(漳州)有限公司 | Thermophilic anaerobic digestion biological reaction system |
| CN202881279U (en) * | 2012-08-03 | 2013-04-17 | 北京奇迪惠民科技投资有限公司 | Temperature control system of methane tank |
| CN103396942A (en) * | 2013-08-21 | 2013-11-20 | 黑龙江省科学院科技孵化中心 | Fermentation reactor integrating functions of stirring and crusting breaking and stirring crust-breaking method |
| CN103484362A (en) * | 2013-10-10 | 2014-01-01 | 黑龙江省科学院科技孵化中心 | Continuous stirred tank reactor (CSTR) capable of determining discharging position |
-
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- 2014-11-11 CN CN201410631956.1A patent/CN104357321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643739A (en) * | 2011-02-22 | 2012-08-22 | 北京资盛隆环保科技有限公司 | Dry-method anaerobic fermentation device |
| CN202881279U (en) * | 2012-08-03 | 2013-04-17 | 北京奇迪惠民科技投资有限公司 | Temperature control system of methane tank |
| CN102910730A (en) * | 2012-09-28 | 2013-02-06 | 方明环保科技(漳州)有限公司 | Thermophilic anaerobic digestion biological reaction system |
| CN103396942A (en) * | 2013-08-21 | 2013-11-20 | 黑龙江省科学院科技孵化中心 | Fermentation reactor integrating functions of stirring and crusting breaking and stirring crust-breaking method |
| CN103484362A (en) * | 2013-10-10 | 2014-01-01 | 黑龙江省科学院科技孵化中心 | Continuous stirred tank reactor (CSTR) capable of determining discharging position |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108531389A (en) * | 2018-03-19 | 2018-09-14 | 中国农业大学 | Parameter monitoring device for internal-immersion type anaerobic fermentation tank and design method |
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Application publication date: 20150218 |