CN102443538B - A kind of programmable auto-controller for hydrodynamic automatic stirring marsh-gas fermentation tank - Google Patents
A kind of programmable auto-controller for hydrodynamic automatic stirring marsh-gas fermentation tank Download PDFInfo
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- CN102443538B CN102443538B CN201110023094.0A CN201110023094A CN102443538B CN 102443538 B CN102443538 B CN 102443538B CN 201110023094 A CN201110023094 A CN 201110023094A CN 102443538 B CN102443538 B CN 102443538B
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- biogas
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000000855 fermentation Methods 0.000 title claims abstract description 29
- 230000004151 fermentation Effects 0.000 title claims abstract description 29
- 238000003756 stirring Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 42
- 239000002994 raw material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000013022 venting Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/20—Degassing; Venting; Bubble traps
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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
- C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
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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
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
-
- 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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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
Present invention is disclosed a kind of easy, can be used for the device that hydrodynamic automatic stirring marsh-gas fermentation tank controls automatically.
Description
Denomination of invention
A kind of programmable auto-controller for hydrodynamic automatic stirring methane fermentation system
Technical field
This invention relates to environment protection and resource reutilization field, relates to the programmable auto-controller of a kind of exhaust of hydrodynamic automatic stirring methane fermentation system, charging and deodoration system particularly.
Background technology
Contriver in " a kind of liquid dynamic automatic stirring methane fermenting tank " (application number 201010272364.7) to have applied for for 2010, contriver proposes to utilize PLC to realize the able to programme automatic control of the exhaust of this kind of hydrodynamic automatic stirring marsh-gas fermentation tank, charging and deodoration system.But, in actual applications, the inventor of this patent finds, liquid level sensor is utilized often to suffer the blocking of the solid substance existed in fermented liquid, and correct liquid level signal can not be sent realize above-mentioned control process, and PLC programming needs professional person just can complete, and affects applying of this patent.
Summary of the invention
This invention disclose a kind of can realize hydrodynamic automatic stirring marsh-gas fermentation tank exhaust, charging and the unwatched programmable auto-controller of biogas deodoration system.Hydrodynamic automatic stirring marsh-gas fermentation tank is made up of inside and outside marsh-gas fermentation tank (hereinafter referred to as inner and outer tank).The half of the inner canister height of fermentation unit is arranged on outer tank inside, by above-mentioned application number is
201010272364.7the pod described in patent communicate with outer tank.Second half protrudes from the upper end of outer tank.The top of inside and outside tank is connected by a biogas pipeline.And the arm of magnetic valve that the biogas controlling outer tank top discharge to inner canister and a confession setting pressure sensor is installed on this pipeline.The latter is arranged between outer tank and magnetic valve.The upper end of outer tank is also provided with the feed-pipe and feed liquid flow metering control valve mounted thereto that supply fermented feed liquid charging.The discharge tube (see Fig. 1) of biogas fermentative liquid that the upper end of inner canister is also provided with biogas and fermented.This invention is exactly utilize the above-mentioned special construction of hydrodynamic automatic stirring marsh-gas fermentation tank recited above and the logic control to described magnetic valve, feed liquid flow metering control valve, and most methane accumulations that fermenting process is produced are on the top of outer tank.When being arranged on the magnetic valve on the connecting pipe of inside and outside tank upper end and being in closing condition, when the pressure that the biogas being gathered in outer tank top produces increases gradually, by the lower end press-in inner canister of the fermented liquid in outer tank from inner canister, thus complete once the automatic stirring process of inside and outside tank biogas fermentative liquid.The liquid level of inner canister fermented liquid, under the pressure effect of outer tank top biogas, also rises gradually.When its liquid level exceeds the biogas fermentative liquid relief outlet being arranged on inner canister top, the biogas fermentative liquid had more just is discharged into outside fermentor tank through the latter; When the biogas pressure assembled when outer tank top reaches the set(ting)value of pressure transmitter recited above, the magnetic valve of above-mentioned logic control device inwardly, on the connecting pipe of outer tank upper end sends out firing current, is opened by this magnetic valve.The High-pressure Marsh Gas being gathered in outer tank top just enters rapidly the top of inner canister by this magnetic valve, impel the outside pot bottom of the pod of biogas fermentative liquid rapidly through inner canister bottom being gathered in inner canister top to spray, from and complete the automatic stirring process of a biogas fermentative liquid.Meanwhile, above-mentioned logic control device also opens the repugnant substance in the biogas of biogas deodoration system elimination discharge.When the biogas pressure on outer tank top and inner canister biogas pressure reach balance, above-mentioned pressure transmitter sends fresh fermentation raw material pump start signal, feedstock pump is opened after amplifying, fermentation raw material is injected fermentor tank from the top of outer tank, and close the magnetic valve of outer tank top biogas passage in connecting, after this, fermentor tank enters next controlled circulation automatically.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of the exhaust of hydrodynamic automatic stirring marsh-gas fermentation tank and hydrodynamic automatic stirring marsh-gas fermentation tank, charging and the unwatched programmable auto-controller of biogas deodoration system.
Description of reference numerals: 1, outer fermentation tank 2, opening for feed 3, seal washer 4, interior fermentor tank tank body 5, natural pond liquid discharge vacuum breaker 6, firedamp drainage mouth 7, fastening piece 8, magnetic valve 9, interior pot bottom water conservancy diversion tank 10, pressure transmitter 11, alternating current contactor 12, the time relay (normal open) 13, rly. (normal off) 14, Positive contact terminal 15, negative contact terminal 16, rectifier (24 volts)
Embodiment
When being arranged on the magnetic valve on the connecting pipe of inside and outside tank upper end and being in closing condition, the pressure that the biogas being gathered in outer tank top produces by the lower end press-in inner canister of the fermented liquid in outer tank from inner canister, thus realizes an automatic stirring of interior outer tank natural pond liquid.When the pressure that the fermented liquid liquid level rising in inner canister produces (pressure that the biogas that outer tank top is assembled in other words produces) not yet reaches the pressure of pressure transmitter setting, the biogas fermentative liquid that Partial fermentation completes is discharged to tank from the biogas fermentative liquid discharge outlet be located at lower than this liquid level.Meanwhile, the biogas fermentative liquid liquid level in outer tank continues to decline, and the biogas pressure that outer tank top is assembled continues to rise.When biogas pressure reaches the force value of pressure transmitter setting, this sensor has current signal to export, and the latter, after amplifying, is transferred to rly., makes the normally open contact of rly. connect AC power, makes alternating current contactor enter working order.The latter opens above-mentioned magnetic valve, the biogas that outer tank upper end is assembled enters rapidly inner canister upper end, the biogas fermentative liquid liquid level on inner canister top is impelled to decline rapidly, and be drained into outer pot bottom with the form of impingement flow from the pod through inner canister lower end, thus realize automatic stirring again of natural pond liquid in interior outer tank.Meanwhile, the power supply that biogas deodoration system also connected by above-mentioned rly. makes it start deodorizing running.Above-mentioned current signal after amplifying makes the time relay start timing.When the biogas pressure on outer tank top and inner canister biogas pressure reach balance, the signal that pressure transmitter sends close after amplifying and connect in the magnetic valve of outer tank top biogas passage, also open fresh fermentation raw material fresh feed pump.The latter also opens the metering control of magnetic flow meter, automatically to control the fresh proferment doses entering fermentor tank while fresh fermentation raw material is injected fermentor tank by magnetic flow meter (not showing in accompanying drawing) from the top of outer tank.The magnetic flow meter used is a under meter that can carry out programming Control to fermentation raw material input.While fresh fermentation raw material enters fermentor tank, the biogas fermentative liquid of inside and outside tank also carries out once small-scale automatic stirring simultaneously.When the fresh reduction of feed volume injected reaches the set(ting)value of magnetic flow meter, fresh feed pump cuts out stopping charging automatically.When the time relay arrives the time of setting, the time relay disconnects, ac contactor coil power-off.Alternating current contactor stops the work of all devices, thus completes a controlled circulation.This kind the automatic control device of Direct Programming can enter next hydrodynamic automatic stirring control process.
Claims (7)
1. the automatic control device for hydrodynamic automatic stirring marsh-gas fermentation tank, it is characterized in that, described automatic control device is by 24 volts of rectifier power sources, rly., alternating current contactor, the time relay and pressure transmitter composition, the half of the inner canister height of biogas fermentation device is arranged on outer tank inside, second half protrudes from the upper end of outer tank, in described, the top of outer tank is connected by a biogas pipeline, and the magnetic valve and an arm for the described pressure transmitter of installation that the biogas controlling outer tank top discharge to inner canister is installed on described pipeline, the latter is arranged between described outer tank and described magnetic valve, the upper end of described outer tank is provided with the feed-pipe and feed liquid flow metering control valve mounted thereto that supply fermented feed liquid charging, when biogas pressure in described marsh-gas fermentation tank reaches the set(ting)value of pressure transmitter, described sensor has current signal to export, described current signal is after amplifying, be transferred to described rly., the normally open contact of described rly. is made to connect AC power, described alternating current contactor is made to enter working order, open described magnetic valve, meanwhile, current signal after amplifying makes the described time relay start timing, when arriving the time of setting, the described time relay disconnects, described ac contactor coil power-off, described alternating current contactor stops the work of all devices, thus complete a controlled circulation.
2. automatic control device according to claim 1, it is characterized in that, specific works mode is, when being arranged in described biogas fermentation device, when magnetic valve on the connecting pipe of outer tank upper end is in closing condition, when the pressure that the biogas being gathered in described outer tank top produces increases gradually, fermented liquid in described outer tank is pressed into described inner canister from the lower end of described inner canister, thus complete once described in, the automatic stirring process of outer tank biogas fermentative liquid, the liquid level of described inner canister fermented liquid is under the pressure effect of described outer tank top biogas, rise gradually, when its liquid level exceeds the biogas fermentative liquid relief outlet being arranged on described inner canister top, the biogas fermentative liquid had more just is discharged into outside described fermentor tank through venting port, when the biogas pressure assembled when described outer tank top reaches the set(ting)value of pressure transmitter recited above, described rly. is in described, described magnetic valve on the connecting pipe of outer tank upper end sends out firing current, described magnetic valve is opened, the High-pressure Marsh Gas being gathered in described outer tank top just enters rapidly the top of described inner canister by described magnetic valve, impel the pod of biogas fermentative liquid rapidly through described inner canister bottom being gathered in described inner canister top to described outer tank base injcction, from and complete the automatic stirring process of a biogas fermentative liquid, meanwhile, the repugnant substance in the biogas of biogas deodoration system elimination discharge also opened by described rly., when the biogas pressure on described outer tank top and described inner canister biogas pressure reach balance, above-mentioned pressure transmitter sends fresh fermentation raw material pump start signal, feedstock pump is opened after amplifying, fermentation raw material is injected fermentor tank from the top of described outer tank, and close the described magnetic valve connecting described interior outer tank top biogas passage, after this, described fermentor tank enters next controlled circulation automatically.
3. automatic control device according to claim 1, is characterized in that, described rly. has normal off point of contact.
4. automatic control device according to claim 1, is characterized in that, the time relay has normal open point of contact.
5. automatic control device according to claim 1, is characterized in that, sensor is gas pressure sensor.
6. automatic control device according to claim 1, it is characterized in that, while fresh fermentation raw material injects described fermentor tank by magnetic flow meter from the top of described outer tank, open the metering control of magnetic flow meter, automatically to control the fresh proferment doses entering fermentor tank.
7. automatic control device according to claim 6, it is characterized in that, described magnetic flow meter is one and carries out the under meter of programming Control to fermentation raw material input, and when the fresh reduction of feed volume injected reaches the set(ting)value of magnetic flow meter, fresh feed pump cuts out stopping charging automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110023094.0A CN102443538B (en) | 2011-01-20 | 2011-01-20 | A kind of programmable auto-controller for hydrodynamic automatic stirring marsh-gas fermentation tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110023094.0A CN102443538B (en) | 2011-01-20 | 2011-01-20 | A kind of programmable auto-controller for hydrodynamic automatic stirring marsh-gas fermentation tank |
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| CN102443538A CN102443538A (en) | 2012-05-09 |
| CN102443538B true CN102443538B (en) | 2015-09-30 |
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| CN102851406B (en) * | 2012-08-03 | 2014-04-23 | 北京奇迪惠民科技投资有限公司 | Gas production speed control method and device of marsh gas tank |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613662A (en) * | 2009-07-28 | 2009-12-30 | 贵阳学院 | Methane fermentation intelligent management system |
| CN201386100Y (en) * | 2009-04-24 | 2010-01-20 | 中国热带农业科学院农业机械研究所 | Biogas experiment device with function of pressure automatic control |
| CN101665760A (en) * | 2009-08-17 | 2010-03-10 | 王建平 | Movable type solar high-temperature high-efficiency methane generator device |
-
2011
- 2011-01-20 CN CN201110023094.0A patent/CN102443538B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201386100Y (en) * | 2009-04-24 | 2010-01-20 | 中国热带农业科学院农业机械研究所 | Biogas experiment device with function of pressure automatic control |
| CN101613662A (en) * | 2009-07-28 | 2009-12-30 | 贵阳学院 | Methane fermentation intelligent management system |
| CN101665760A (en) * | 2009-08-17 | 2010-03-10 | 王建平 | Movable type solar high-temperature high-efficiency methane generator device |
Non-Patent Citations (1)
| Title |
|---|
| 胡成龙等.《PLC应用技术》.《PLC应用技术(三菱FX2N系列)》.湖北科学技术出版社,2008,第22、24页. * |
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Inventor after: Ma Huiwen Inventor after: Chen Siwu Inventor after: Huang Zhonglin Inventor after: Zhang She Inventor before: Ma Huiwen Inventor before: Ma Suitao Inventor before: Shan Cong Inventor before: Chen Siwu Inventor before: Tang Luoxin |
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Free format text: CORRECT: INVENTOR; FROM: MA HUIWEN MA SUITAO DAN CONG CHEN SIWU TANG LUOXIN TO: MA HUIWEN CHEN SIWU HUANG ZHONGLIN ZHANG SHE |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District Baishizhou Shahe industrial district 29 Building 1 floor Patentee after: SHENZHEN LONGCHENG HI-TECH ENVIRONMENTAL PROTECTION (Group) Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Baishizhou Shahe industrial district 29 Building 1 floor Patentee before: SHENZHEN LONGCHENG HI-TECH ENVIRONMENTAL PROTECTION CO.,LTD. |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District Baishizhou Shahe industrial district 29 Building 1 floor Patentee after: Shenzhen Longcheng high tech environmental protection Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Baishizhou Shahe industrial district 29 Building 1 floor Patentee before: SHENZHEN LONGCHENG HI-TECH ENVIRONMENTAL PROTECTION (Group) Co.,Ltd. |
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Effective date of registration: 20230720 Granted publication date: 20150930 |