CN103897986A - Intelligent control system for moderate temperature anaerobic digestion calescence of solar biogas digester - Google Patents
Intelligent control system for moderate temperature anaerobic digestion calescence of solar biogas digester Download PDFInfo
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- CN103897986A CN103897986A CN201210568086.9A CN201210568086A CN103897986A CN 103897986 A CN103897986 A CN 103897986A CN 201210568086 A CN201210568086 A CN 201210568086A CN 103897986 A CN103897986 A CN 103897986A
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- temperature
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- methane
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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
- 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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- 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
- C12M43/00—Combinations of bioreactors or fermenters with other apparatus
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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
Abstract
The invention discloses a control system for intelligent solar biogas pool temperature fermentation temperature, which comprises a solar water heater more than one with a methane tank, and the solar water heater temperature probe, and arranged in the biogas pool pool temperature probe, wherein each solar water heater series the connection and connected to the methane tank by the pipeline focused, intelligent temperature controller installed in the pipeline of solar water heaters and biogas pool, the intelligent temperature controller and biogas tank is installed between the intelligent control of circulating pump, the inlet tube of the solar water heater installation of control valve; the circulation flow control solar hot water industry qualitative (set of circulating water pump working time) to fermentation temperature intelligent control digesters, in order to winter and spring of fermentation temperature digesters warming effect. At the same time in the rainy day or night without light, when the hot water temperature below the set temperature, intelligent temperature controller automatically start the auxiliary heating system for heating water tank. At the same time in the rainy day or night without light, when the hot water temperature below the set temperature, intelligent temperature controller automatically start the auxiliary heating system for heating water tank.
Description
Technical field
The present invention relates to a kind of intelligent control system heating for solar-energy methane pit mesophilic digestion.
Background technology
Temperature is very large on the fermentation impact of biogas, taking biogas mesophilic digestion as example, lower than 17 DEG C with can sharply decline higher than 35 DEG C of factor of created gases.With regard to the whole nation, biogas production mode is mostly used traditional spontaneous fermentation at present, and every cubic metre of average daily gas production rate of methane-generating pit is 0.18 cubic metre of winter-spring season less than, and under extreme low temperature condition, gas production rate is even zero.So methane-generating pit cannot normal gas producing under China's winter-spring season temperature condition, the methane-generating pit that most of peasant and cultivation place are built almost in nearly six months because of cannot aerogenesis or aerogenesis is on the low side is idle and half idle state.Both having made is having Zhi Cheng Hainan Island, natural greenhouse, take Haikou Area as example, and marsh gas raw materials is mostly taking human excrement and fowl and animal excrement as main, suitable mesophilic digestion, and leavening temperature is best 17～35 DEG C of left and right.But the Haikou Area under the weather condition of fine jade north adopts its leavening temperature of methane-generating pit of spontaneous fermentation often also lower than 17 DEG C in the nearly trimestral time in the winter time.Be exactly that envrionment temperature is low and cause the main reason that winter-spring season methane tank gas production amount is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of intelligent control system heating for solar-energy methane pit mesophilic digestion, reaches effect methane-generating pit mesophilic digestion being heated in winter-spring season by the circular flow of intelligent control solar energy water heating working medium.
The present invention is achieved through the following technical solutions: a kind of intelligent control system heating for solar-energy methane pit mesophilic digestion, comprise more than one solar water heater and a methane-generating pit, and the water temperature being arranged in solar water heater is popped one's head in, and the pond temperature being arranged in methane-generating pit is popped one's head in, described each solar water heater is connected in series and is concentrated and be connected to methane-generating pit by pipeline, on the pipeline of solar water heater and methane-generating pit, intelligent temperature controller is installed, one intelligent control recycle pump is installed between described intelligent temperature controller and methane-generating pit, control valve is installed at the water inlet pipe place of described solar water heater.
As preferably, temperature probe in described pond must use anticorrosion stainless steel (sus304/2b) sealing.
As preferably, the parameter of intelligent control recycle pump work is: the methane-generating pit Temperature Setting under mesophilic digestion state is 17～35 DEG C, and inlet temperature (solar energy water heating working medium temperature) lower limit set is 60 DEG C.
As preferably, described intelligent temperature controller comprises intelligent control auxiliary electrical heater system, and the parameter of intelligent control auxiliary electrical heater system works is: the solar energy water heating working medium temperature under mesophilic digestion state must not be lower than 60 DEG C.
As preferably, the described mesophilic digestion temperature of carrying out intelligent control methane-generating pit by controlling the circular flow of hot water working medium, its optimal economic is configured to: volume 100m
3its corresponding hot water working-medium water tankage of methane-generating pit be 1000kg.
The invention has the beneficial effects as follows: carry out the leavening temperature of intelligent control methane-generating pit by controlling the circular flow (setting the working hour of water circulating pump) of solar energy water heating working medium, effect methane-generating pit leavening temperature being heated to reach winter-spring season.Simultaneously overcast and rainy or night unglazed according to time, in the time that hot water temperature sets working temperature lower than hot water, intelligent temperature controller automatically starts auxiliary electrical heater system feed-tank and heats.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of intelligent control system heating for solar-energy methane pit mesophilic digestion, comprise more than one solar water heater 1 and a methane-generating pit 2, and the water temperature being arranged in solar water heater 1 pops one's head in 3, and the pond temperature being arranged in methane-generating pit 2 pops one's head in 4, described each solar water heater 1 is connected in series and is concentrated and be connected to methane-generating pit 2 by pipeline 5, on the pipeline 5 of solar water heater 1 and methane-generating pit 2, intelligent temperature controller 6 is installed, one intelligent control recycle pump 7 is installed between described intelligent temperature controller 6 and methane-generating pit 2, control valve 9 is installed at water inlet pipe 8 places of described solar water heater 1.
Wherein, described pond temperature probe 4 must use anticorrosion stainless steel (sus304/2b) sealing.
The parameter that intelligent control recycle pump 7 is worked is: the methane-generating pit Temperature Setting under mesophilic digestion state is 17～35 DEG C, and inlet temperature (solar energy water heating working medium temperature) lower limit set is 60 DEG C.
Described intelligent temperature controller 6 comprises intelligent control auxiliary electrical heater system, and the parameter of intelligent control auxiliary electrical heater system works is: the solar energy water heating working medium temperature under mesophilic digestion state must not be lower than 60 DEG C.
The described mesophilic digestion temperature of carrying out intelligent control methane-generating pit 2 by controlling the circular flow of solar energy water heating working medium, its optimal economic is configured to: volume 100m
3its corresponding solar energy water heating working medium water tank volume of methane-generating pit be 1000kg.
Its principle of work is as follows:
Chi Wen probe 4 and water temperature probe 3 are sent into methane-generating pit 2 temperature and solar water heater 1 water temperature intelligent temperature controller 6 and show respectively, after comparison circuit compares the gentle water temperature in setting pond, and the work of intelligent control recycle pump 7.And come the leavening temperature of intelligent control methane-generating pit 2, effect methane-generating pit leavening temperature being heated to reach winter-spring season by controlling the circular flow working hour of recycle pump (set intelligent control) of solar energy water heating working medium.Simultaneously overcast and rainy or night unglazed according to time, in the time that hot water temperature sets working temperature lower than hot water, intelligent temperature controller 6 automatically starts auxiliary electrical heater system feed-tank and heats.
The invention has the beneficial effects as follows: carry out the leavening temperature of intelligent control methane-generating pit by controlling the circular flow (setting the working hour of water circulating pump) of solar energy water heating working medium, effect methane-generating pit leavening temperature being heated to reach winter-spring season.Simultaneously overcast and rainy or night unglazed according to time, in the time that solar heat water temp is set working temperature lower than hot water, intelligent temperature controller automatically starts auxiliary electrical heater system feed-tank and heats.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (5)
1. the intelligent control system heating for solar-energy methane pit mesophilic digestion, it is characterized in that: comprise more than one solar water heater and a methane-generating pit, and the water temperature being arranged in solar water heater is popped one's head in, and the pond temperature being arranged in methane-generating pit is popped one's head in, described each solar water heater is connected in series and is concentrated and be connected to methane-generating pit by pipeline, on the pipeline of solar water heater and methane-generating pit, intelligent temperature controller is installed, one intelligent control recycle pump is installed between described intelligent temperature controller and methane-generating pit, control valve is installed at the water inlet pipe place of described solar water heater.
2. the intelligent control system heating for solar-energy methane pit mesophilic digestion according to claim 1, is characterized in that: temperature probe in described pond must use anticorrosion stainless steel (sus304/2b) sealing.
3. the intelligent control system heating for solar-energy methane pit mesophilic digestion according to claim 1, it is characterized in that: the parameter of intelligent control recycle pump work is: the methane-generating pit Temperature Setting under mesophilic digestion state is 17～35 DEG C, inlet temperature (solar energy water heating working medium temperature) lower limit set is 60 DEG C.
4. the intelligent control system heating for solar-energy methane pit mesophilic digestion according to claim 1, it is characterized in that: described intelligent temperature controller comprises intelligent control auxiliary electrical heater system, the parameter of intelligent control auxiliary electrical heater system works is: the solar energy water heating working medium temperature under mesophilic digestion state must not be lower than 60 DEG C.
5. the intelligent control system heating for solar-energy methane pit mesophilic digestion according to claim 1, it is characterized in that: the described mesophilic digestion temperature of carrying out intelligent control methane-generating pit by controlling the circular flow of solar energy water heating working medium, its optimal economic is configured to: volume 100m
3its corresponding solar energy water heating working medium water tank volume of methane-generating pit be 1000kg.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568086.9A CN103897986A (en) | 2012-12-25 | 2012-12-25 | Intelligent control system for moderate temperature anaerobic digestion calescence of solar biogas digester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210568086.9A CN103897986A (en) | 2012-12-25 | 2012-12-25 | Intelligent control system for moderate temperature anaerobic digestion calescence of solar biogas digester |
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| CN103897986A true CN103897986A (en) | 2014-07-02 |
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| CN201210568086.9A Pending CN103897986A (en) | 2012-12-25 | 2012-12-25 | Intelligent control system for moderate temperature anaerobic digestion calescence of solar biogas digester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373041A (en) * | 2021-05-28 | 2021-09-10 | 曹秀保 | Large/ultra-large methane tank suitable for dry continuous fermentation |
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|---|---|---|---|---|
| CN2423547Y (en) * | 2000-02-18 | 2001-03-14 | 谢绍浩 | Solar electric water heater with abnormal-shaped metal heat collecting pipe |
| CN1896218A (en) * | 2006-05-31 | 2007-01-17 | 袁铭鉴 | Solarheat-collecting applicator in marsh-gas fermentation pool |
| CN102297525A (en) * | 2011-07-11 | 2011-12-28 | 同济大学 | High-temperature anaerobic fermentation heating system of solar energy-biogas slurry waste heat recovery type heat pump and operation control method |
| US20120060827A1 (en) * | 2011-03-07 | 2012-03-15 | General Electric Company | Control for a tankless water heater used with a solar water heating system |
| WO2012041125A1 (en) * | 2010-09-29 | 2012-04-05 | 武汉凯迪工程技术研究总院有限公司 | Solar energy generation method and system using biomass boiler as auxiliary heat source |
| CN102635978A (en) * | 2012-04-05 | 2012-08-15 | 同济大学 | Anaerobic digester heating system with solar heat pump and operation control method |
-
2012
- 2012-12-25 CN CN201210568086.9A patent/CN103897986A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2423547Y (en) * | 2000-02-18 | 2001-03-14 | 谢绍浩 | Solar electric water heater with abnormal-shaped metal heat collecting pipe |
| CN1896218A (en) * | 2006-05-31 | 2007-01-17 | 袁铭鉴 | Solarheat-collecting applicator in marsh-gas fermentation pool |
| WO2012041125A1 (en) * | 2010-09-29 | 2012-04-05 | 武汉凯迪工程技术研究总院有限公司 | Solar energy generation method and system using biomass boiler as auxiliary heat source |
| US20120060827A1 (en) * | 2011-03-07 | 2012-03-15 | General Electric Company | Control for a tankless water heater used with a solar water heating system |
| CN102297525A (en) * | 2011-07-11 | 2011-12-28 | 同济大学 | High-temperature anaerobic fermentation heating system of solar energy-biogas slurry waste heat recovery type heat pump and operation control method |
| CN102635978A (en) * | 2012-04-05 | 2012-08-15 | 同济大学 | Anaerobic digester heating system with solar heat pump and operation control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373041A (en) * | 2021-05-28 | 2021-09-10 | 曹秀保 | Large/ultra-large methane tank suitable for dry continuous fermentation |
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Application publication date: 20140702 |