CN109060044A - A kind of marsh gas power generation multicomputer parallel control system - Google Patents
A kind of marsh gas power generation multicomputer parallel control system Download PDFInfo
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- CN109060044A CN109060044A CN201811245927.6A CN201811245927A CN109060044A CN 109060044 A CN109060044 A CN 109060044A CN 201811245927 A CN201811245927 A CN 201811245927A CN 109060044 A CN109060044 A CN 109060044A
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- 230000004151 fermentation Effects 0.000 claims abstract description 113
- 239000000463 material Substances 0.000 claims abstract description 67
- 238000012544 monitoring process Methods 0.000 claims abstract description 57
- 238000003860 storage Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 37
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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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
-
- 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
-
- 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
- C12M41/26—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pH
-
- 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
-
- 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
- C12M43/08—Bioreactors or fermenters combined with devices or plants for production of electricity
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
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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 present invention provides a kind of marsh gas power generation multicomputer parallel control system, and material bin stores biogas fermentation material, and raw material blending tank completes the mixing of fermentation raw material, and provides biogas fermentation material to marsh-gas fermentation tank；Marsh-gas fermentation tank carries out biogas fermentation, and the biogas delivery outlet of fermentor is connect by conveyance conduit with air accumulator, and air accumulator stores biogas；Air accumulator is connected by pipeline and pipeline pump with Biogas Generator Set, and the biogas of storage is delivered to generating set and is generated electricity, and the electric energy that Biogas Generator Set issues is distributed to power grid by power distribution equipment；System carries out unified monitoring to entire methane power generating system power generation process, both comprising the monitoring to marsh gas fermentation processes and power generation process, also the feedback comprising fermentation process and each generating set power generation real time data, so that the charging for biogas fermentation material distributes, supply and generating set runing time of the biogas to each generating set and the management such as shuts down and provides reference frame.The wasting of resources is avoided, the electric generation management system of system is formed.
Description
Technical field
The present invention relates to biomass energy recycle utilization technology field more particularly to a kind of grid-connected prisons of marsh gas power generation multicomputer
Control system.
Background technique
Biogas fermentation is by the production waste such as feces of livestock and poultry, stalk, weeds in certain moisture, temperature and anaerobic condition
Under, by the catabolism of each quasi-microorganism, ultimately form the process of the flammable mixed gas such as methane.Marsh gas fermenting system base
In biogas fermentation principle, using production of energy as target, the comprehensive utilization of biogas, biogas slurry, biogas residue is finally realized.
The advantage of marsh gas power generation mainly shows: the feature of environmental protection: higher discharge standard.Gas Generator Set discharge reaches or surpasses comprehensively
The Europe IV standard is crossed, it is more environmentally friendly, it is more energy efficient.Fuel gas generation is comprehensively utilized, cost is generated electricity well below using diesel oil and heavy oil, also low
In alternating current price, if the thermal energy given off comprehensively utilized, cost can be further reduced.
Currently, marsh gas power generation has obtained System Development, either generating set also as the supplement of conventional Power Generation Mode
It is that electric power interconnection technology has all obtained incremental advances, but in some fields, there is also systems, reasonability for marsh gas power generation at present
Deficiency manages defect more at random, especially lacks the unified monitoring to multicomputer electricity generation grid-connecting.Biogas Generator Set is located substantially
The not formed unified system of coordination between single operation and management mode, unit.Generating voltage and mains frequency
It is uncoordinated also to restrict the grid connection efficiency of marsh gas power generation.
About marsh gas power generation multicomputer parallel control system, methane power generating system, e.g., Yi Zhongsheng are disclosed in the prior art
Substance energy solar energy composite (application number: 201820011492.8), discloses battery, tank for sewage gas, gas storage using electricity generation system
Tank and biogas generator；Using biomass power generation and solar energy thermal-power-generating, mentioned using solar power generation for the biogas slurry in tank for sewage gas
Supplying heat source provides for biogas generator and stablizes enough fuel.The electricity that Biogas Generator Set issues has been supplied electric power storage by the program
Pond also lacks the unified monitoring to entire methane power generating system power generation process, is suitable for miniaturization marsh gas power generation, is unsuitable for scale
Change methane power generating system, the grid-connected needs of marsh gas power generation can not be met；A kind of methane power generating system (publication number:
207108979U), disclose a kind of methane power generating system, including precipitation and separation pond, sludge homogenizer, sludge high temperature anaerobic pond,
Dehydration device of methane, Marsh gas desulfurizing tower, methane booster, biogas dust-extraction unit, biogas generator, pass through the company between facilities and equipment
It connects and coordinates to reach raising system integrated heat efficiency, reduce pollutant discharge amount, energy conservation and the purpose to turn waste into wealth.But it should
Technology is only limitted to the optimization of single generator group power generation process；Biogas Generator Set load kinetic-control system and method are (open
Number: 104806364B), disclosed Biogas Generator Set load kinetic-control system, including control unit and biogas pressure sampling
Unit；The biogas pressure sampling unit generates corresponding biogas pressure for acquiring the biogas pressure in air container in real time
Electric signal P；The control unit calculates according to the biogas pressure electric signal P in preset time period and obtains biogas pressure rate of change K；
The control unit is current according to the biogas pressure electric signal and the biogas pressure rate of change K dynamic regulation Biogas Generator Set
Bearing power.The invention can integrate the payload dynamic regulation hair in conjunction with methane quantity, methane quantity variation tendency and generating set
The load output power of motor group avoids the frequent starting of generating set and all standing from opening suddenly.
In short, the optimisation technique of existing single generator group in existing technology, also having unit Dynamic load control technology
And power generation automatic control system.But in scale biogas project, the control technique between multicomputer operation is not opened still
Hair is also short of marsh gas power generation parallel control system.The marsh gas power generation multicomputer parallel control system of the invention can be China's biogas
The promotion of generation technology provides reference.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of marsh gas power generation multicomputer parallel control system, comprising: biogas
Power generation sub-system and the marsh gas power generation monitoring server being connect with marsh gas power generation subsystem communication；
Marsh gas power generation subsystem includes: raw material blending tank, material bin, marsh-gas fermentation tank, biogas storage tank and at least one
Platform Biogas Generator Set；
Raw material blending tank is used for the mixing of biogas fermentation material；Raw material blending tank is equipped with feeding inlet and discharge port；Raw material is mixed
It closes tank discharge port to connect by pipeline and pipeline pump with marsh-gas fermentation tank, the solidliquid mixture inside raw material blending tank is delivered to
Marsh-gas fermentation tank；
Material bin is used to store the material of agricultural crop straw and biogas fermentation, and provides biogas fermentation to marsh-gas fermentation tank
Material；
Marsh-gas fermentation tank carries out biogas fermentation, and the biogas delivery outlet of marsh-gas fermentation tank is stored up by biogas conveyance conduit and biogas
Gas tank connection, biogas storage tank store biogas；
The biogas that biogas storage tank stores is delivered to by biogas storage tank by pipeline and pipeline pump and Biogas Generator Set
Biogas Generator Set, Biogas Generator Set are generated electricity by the biogas conveyed, and the electric energy that Biogas Generator Set issues is by matching
Electric installation is distributed to power grid；
The tank interior of marsh-gas fermentation tank is additionally provided with CH4Sensor, H2Sensor, CO2Sensor, flow sensor, pressure
Force snesor, temperature sensor and pH value monitor；
CH4Sensor, H2Sensor, CO2Sensor, flow sensor, pressure sensor, temperature sensor and pH value
Monitor acquires fermentation process data respectively, by fermentation process data by being transmitted to biogas hair after transmitter and A/D converter
Electric monitoring server；
Power distribution equipment is equipped with the marsh gas power generation voltage acquisition circuit for obtaining each Biogas Generator Set generating voltage respectively, obtains
It takes the marsh gas power generation current acquisition circuitry of generation current and obtains the marsh gas power generation electric energy computing module of power generation electric energy；
The generating voltage and generation current that power distribution equipment will acquire calculate electric energy by marsh gas power generation electric energy computing module,
Generating voltage, generation current and power generation electric energy are transmitted to marsh gas power generation monitoring server again；
Marsh gas power generation monitoring server is for obtaining raw material blending tank liquid level information, material bin material position information, biogas fermentation
CH inside tank4Data, H2S data, CO2Data, data on flows, pressure data, temperature data, pH value data, biogas storage
Generating voltage information, generation current information and the energy information of gas tank pressure information, every Biogas Generator Set；When acquisition
When data exceed threshold value, warning note is issued；
The data that will acquire carry out classified storage, form marsh gas power generation operation data repository, are the data of marsh gas power generation
Analysis management provides support；
Marsh gas power generation monitoring server is also used to the marsh gas power generation data acquisition cycle according to setting, or the biogas hair of setting
The acquisition time section of electric data transfers marsh gas power generation process data in marsh gas power generation operation data repository and carries out tracking prison
Control forms the trend analysis figure of each marsh gas power generation process data, the trend point of each Biogas Generator Set power generation process data
Analysis figure.
Preferably, power distribution equipment further include: electric network information obtains module, and generator output information obtains module, information filter
Wave modulation module, microcontroller, generator excitation adjustment module, rotational speed regulation module；
Electric network information obtains module and is used to obtain the current voltage of power grid, frequency and phase angle, the power grid that will acquire are worked as
Preceding voltage, frequency and phase angle pass through information filter modulation module respectively and are transmitted to microcontroller；
Generator output information obtains module for obtaining the voltage that each Biogas Generator Set currently exports, frequency and
Phase angle, the voltage that will acquire, frequency and phase angle pass through information filter modulation module respectively and are transmitted to microcontroller；
Microcontroller is used to detect the output voltage of each Biogas Generator Set, and whether frequency and phase angle reach power grid
Grid-connected required predetermined voltage threshold, predeterminated frequency threshold value, preset phase angle threshold value, the output voltage of Biogas Generator Set, frequency
When rate and phase angle reach threshold value, simultaneously net operation is executed；
When the output voltage of Biogas Generator Set is unsatisfactory for predetermined voltage threshold, pass through generator excitation adjustment module tune
The output voltage of section Biogas Generator Set makes it meet predetermined voltage threshold；The sending when being still unsatisfactory for by default adjusting number
Electric voltage exception alarm；
When the output frequency of Biogas Generator Set and/or phase angle are unsatisfactory for preset threshold, pass through rotational speed regulation module
The revolving speed for adjusting Biogas Generator Set makes it meet preset threshold；Frequency is issued when being still unsatisfactory for by default adjusting number
And/or phase angle abnormal alarm.
Preferably, it includes: phase detecting module that generator output information, which obtains module, and marsh gas power generation distribution voltage handles mould
Block, marsh gas power generation distribution voltage obtain circuit and marsh gas power generation distribution current acquisition circuitry；
Marsh gas power generation distribution voltage processing module is used to obtain the sinusoidal AC voltage signal of Biogas Generator Set, in utilization
Between variator decompression, isolation, after over commutation, filtering, exchange a cycle in every a sampling time by biogas hair
Electric distribution voltage obtains circuit and samples to ac voltage signal, is transformed into digital quantity by analog-to-digital conversion；Each period
Preset times are sampled as, the sampled data of preset times is obtained, sampled data are transmitted to by information filter modulation module micro-
Controller obtains the virtual value of voltage, is compared judgement；
Phase detecting module is used to obtain the sine voltage of Biogas Generator Set output, and sine voltage is transformed into phase
The same frequency square wave answered will be transmitted to microcontroller by information filter modulation module with frequency square wave, and microcontroller will be the same as frequency square wave
Measuring and calculating is carried out with power grid square wave to compare, and is read the corresponding time value of the two voltage value rising edge respectively, is obtained by the two time value
Time difference converses the phase difference of Biogas Generator Set Yu network voltage sine wave, is compared judgement；
Marsh gas power generation distribution current acquisition circuitry is for obtaining Biogas Generator Set generation current information.
Preferably, further includes: multiple marsh gas power generation subsystems, each multiple marsh gas power generation subsystems respectively with marsh gas power generation
Monitoring server communication connection；
Marsh gas power generation monitoring server is configured with biogas fermentation data cloud storage end；
Marsh gas power generation subsystem further include: marsh gas power generation data processor, data communication module and marsh gas power generation data
Memory module；
Marsh gas power generation data processor obtain respectively raw material blending tank, material bin, marsh-gas fermentation tank, biogas storage tank and
The operation information of every Biogas Generator Set, and operation information is stored to marsh gas power generation data memory module；Marsh gas power generation number
Pass through a preset time period according to processor is every, the information that marsh gas power generation data memory module current slot stores is uploaded to natural pond
Gas Fermentation Data cloud storage end；
Marsh gas power generation monitoring server is every to obtain each natural pond from biogas fermentation data cloud storage end by a preset time period
The information of gas power generation sub-system operation, and according to the marsh gas power generation data acquisition cycle of setting, or the marsh gas power generation data of setting
Acquisition time section, transferred in marsh gas power generation operation data repository marsh gas power generation process data carry out tracing and monitoring, formed
The trend analysis figure of each marsh gas power generation process data, the trend analysis figure of each Biogas Generator Set power generation process data.
Preferably, marsh gas power generation monitoring server is also used to that it is each to obtain marsh gas power generation subsystem by various communications protocols
The data of a component units and the data information for obtaining multiple marsh gas power generation subsystems, and according to the protocol conversion mode of setting
Server general information form, marsh gas power generation monitoring clothes are uniformly converted by the data that different agreement and different acquisition modes obtain
Device be engaged in for CH4Data, H2S data, CO2Data, data on flows, pressure data, temperature data, pH value data, biogas storage tank pressure
Force information, every Biogas Generator Set generating voltage information, generation current information and energy information be prepared into development trend,
Threshold value restriction is carried out to marsh gas power generation data, real time monitoring avoids superthreshold or super early warning.
Preferably, marsh gas power generation monitoring server be also used to the data of each component units of marsh gas power generation subsystem and
The data information for obtaining multiple marsh gas power generation subsystems carries out marsh gas power generation information duplicate removal, classification and dissection process, according to default
Mode extract keyword, and keyword is added according to the mode of setting, when the biogas operation information of acquisition is data flow or length
When data format, biogas operation information glomeration is configured by keyword, and clustering is based on to biogas operation information glomeration, it is real
Existing biogas operation information report, and show each biogas operation information source；Configure biogas operation information search operaqtion port.
Preferably, marsh-gas fermentation tank includes: tank body, and top of the tank is equipped with material feed inlet and air compressor machine, material feed inlet
Configured with sealing cover body；Material feed inlet is corresponding with the position of conveying position of haul belt；
Air compressor machine is connected with tank interior, and the intracorporal air of tank is extracted in air compressor machine compression, provides the anaerobism of biogas fermentation
Environment；Tank interior is equipped with and is from top to bottom provided with fermentation paddle, fermentation paddle by drive shaft series connection, drive shaft top and
Tank body is externally connected to fermentation motor；Tank body side, which is equipped with, stores excrement input port, biogas delivery outlet and perpendicular conduit, erects the top of conduit
End is connected with horizontal conduit, and the both ends of horizontal conduit are connected separately with perpendicular conduit；The bottom end of perpendicular conduit is connected with insertion tube, and insertion tube is inserted
Enter to tank interior；The junction of insertion tube and perpendicular conduit is equipped with hydraulic pump, and hydraulic pump extracts tank interior by insertion tube
Fermentation material, by perpendicular conducting tube to horizontal conduit, horizontal conduit is planted to tank interior, and is planted onto the horizontal conduit of tank interior
Equipped with ingredient spray head；The fermentation material of extraction is sprayed by ingredient spray head in the position close to top of the tank；Tank interior is additionally provided with
Ferment electric heater unit, and fermentation electric heater unit is arranged along the vertical direction of tank body.
Preferably, the agitating paddle for smashing raw material is equipped with inside raw material blending tank, agitating paddle connects driving motor
Output shaft；Raw material blending tank side is equipped with liquidometer；
Material bin lower part is equipped with discharge port, and material bin top is equipped with feeding inlet, and the discharge port lower part of material bin is equipped with haul
Material inside material bin is transported to marsh-gas fermentation tank by belt, haul belt.
Preferably, marsh gas power generation subsystem further include: biogas wash mill and desulfurization reactor；
Marsh-gas fermentation tank carries out biogas fermentation, and the biogas delivery outlet of marsh-gas fermentation tank is washed by biogas conveyance conduit with biogas
Device connection is washed, biogas and the caustic alkali reaction that biogas wash mill conveys marsh-gas fermentation tank remove the H in biogas2S is removed
H2The biogas of S is expelled to desulfurization reactor at the top of biogas wash mill, after desulfurization reactor is to biogas desulfurization, by pipeline and
Pipeline pump is delivered to biogas storage tank storage.
As can be seen from the above technical solutions, the invention has the following advantages that
The raw material blending tank liquid level information of the available each marsh gas power generation subsystem of marsh gas power generation monitoring server, material
Storehouse material position information, the CH of marsh-gas fermentation tank tank interior4Data, H2S data, CO2Data, data on flows, pressure data, temperature
Data, pH value data, generating voltage information, the generation current information of biogas storage tank pressure information, every Biogas Generator Set
And energy information；When the data of acquisition exceed threshold value, warning note is issued.
In the present invention, the output voltage of each Biogas Generator Set is detected, whether frequency and phase angle reach power grid simultaneously
Predetermined voltage threshold needed for net, predeterminated frequency threshold value, preset phase angle threshold value, the output voltage of Biogas Generator Set, frequency
And phase angle is when reaching threshold value, executes and net operation；Voltage value when ensure that grid-connected, avoids grid-connected voltage to power grid
It influences.
If the output voltage of Biogas Generator Set is unsatisfactory for predetermined voltage threshold, pass through generator excitation adjustment module
Adjusting output voltage makes it meet predetermined voltage threshold；When the output frequency of Biogas Generator Set and/or phase angle be unsatisfactory for it is pre-
If when threshold value, making it meet preset threshold by the revolving speed that rotational speed regulation module adjusts Biogas Generator Set；And then avoid hair
Electric frequency is higher than mains frequency, or can cause the oscillation of power grid lower than mains frequency, it is thus also avoided that if methane power generating system
Generating voltage phase difference then easily causes dash current, influences power network current fluctuation.Improve the stability of system, dynamic is rung
It answers and Immunity Performance.
The data that marsh gas power generation monitoring server will acquire carry out classified storage, form the storage of marsh gas power generation operation data
Library provides support for the data analysis management of marsh gas power generation；Marsh gas power generation monitoring server according to setting marsh gas power generation data
The period is obtained, or the acquisition time section for the marsh gas power generation data being arranged, transfers biogas in marsh gas power generation operation data repository
Power generation process data carry out tracing and monitoring, form the trend analysis figure of each marsh gas power generation process data, each biogas generator
The trend analysis figure of group power generation process data.System carries out unified monitoring to entire methane power generating system power generation process in this way, both
Comprising the monitoring to marsh gas fermentation processes and power generation process, also comprising fermentation process and each generating set power generation real time data it is anti-
Feedback, thus for charging distribution, supply and generating set runing time and pass of the biogas to each generating set of biogas fermentation material
The management such as stop and reference frame is provided.The wasting of resources is avoided, the electric generation management system of system is formed.
Detailed description of the invention
Fig. 1 is marsh gas power generation multicomputer parallel control system schematic；
Fig. 2 is marsh gas power generation multicomputer parallel control system embodiment schematic diagram；
Fig. 3 is that marsh gas power generation distribution voltage obtains circuit diagram；
Fig. 4 is marsh gas power generation distribution current acquisition circuitry figure；
Fig. 5 is that marsh gas power generation power-distribution electric energy obtains circuit diagram.
Fig. 6 is power distribution equipment embodiment schematic diagram.
Specific embodiment
The present invention provides a kind of marsh gas power generation multicomputer parallel control system, as shown in Figures 1 to 6, comprising: marsh gas power generation
System 41 and the marsh gas power generation monitoring server 42 communicated to connect with marsh gas power generation subsystem 41；
Marsh gas power generation subsystem 41 includes: raw material blending tank 11, material bin 12, marsh-gas fermentation tank 21, biogas storage tank 33
An and at least Biogas Generator Set 34；
It certainly can also include other equipment during marsh gas power generation, to improve marsh gas power generation process, what is be related to is specific
Other equipment type and type are here without limitation.
Raw material blending tank 11 is used for the mixing of biogas fermentation material；Raw material blending tank 11 is equipped with feeding inlet 15 and discharge port
16；Raw material blending tank discharge port 16 is connect by pipeline and pipeline pump 17 with marsh-gas fermentation tank 21, inside raw material blending tank 11
Solidliquid mixture be delivered to marsh-gas fermentation tank 21；Material bin 12 is used to store the material of agricultural crop straw and biogas fermentation,
And biogas fermentation material is provided to marsh-gas fermentation tank 21；
Marsh-gas fermentation tank 21 carries out biogas fermentation, the biogas delivery outlet 20 of marsh-gas fermentation tank 21 by biogas conveyance conduit with
Biogas storage tank 33 connects, and biogas storage tank 33 stores biogas；
Biogas storage tank 33 is by pipeline and pipeline pump and Biogas Generator Set 34, the biogas that biogas storage tank 33 is stored
It is delivered to Biogas Generator Set 34, Biogas Generator Set 34 is generated electricity by the biogas conveyed, and Biogas Generator Set 34 issues
Electric energy power grid is distributed to by power distribution equipment；
The tank interior of marsh-gas fermentation tank 21 is additionally provided with CH4Sensor, H2Sensor, CO2Sensor, flow sensor,
Pressure sensor, temperature sensor and pH value monitor；Certainly other data can be also obtained, specific data type does not limit
It is fixed.
CH4Sensor, H2Sensor, CO2Sensor, flow sensor, pressure sensor, temperature sensor and pH value
Monitor acquires fermentation process data respectively, by fermentation process data by being transmitted to biogas hair after transmitter and A/D converter
Electric monitoring server；
Power distribution equipment is equipped with the marsh gas power generation voltage acquisition circuit for obtaining each 34 generating voltage of Biogas Generator Set respectively,
It obtains the marsh gas power generation current acquisition circuitry of generation current and obtains the marsh gas power generation electric energy computing module of power generation electric energy；
The generating voltage and generation current that power distribution equipment will acquire calculate electric energy by marsh gas power generation electric energy computing module,
Generating voltage, generation current and power generation electric energy are transmitted to marsh gas power generation monitoring server again；
Marsh gas power generation monitoring server is for obtaining raw material blending tank liquid level information, material bin material position information, biogas fermentation
CH inside tank4Data, H2S data, CO2Data, data on flows, pressure data, temperature data, pH value data, biogas storage
Generating voltage information, generation current information and the energy information of gas tank pressure information, every Biogas Generator Set；When acquisition
When data exceed threshold value, warning note is issued；The data that will acquire carry out classified storage, form the storage of marsh gas power generation operation data
Library provides support for the data analysis management of marsh gas power generation；
Marsh gas power generation monitoring server is also used to the marsh gas power generation data acquisition cycle according to setting, or the biogas hair of setting
The acquisition time section of electric data transfers marsh gas power generation process data in marsh gas power generation operation data repository and carries out tracking prison
Control forms the trend analysis figure of each marsh gas power generation process data, the trend point of each Biogas Generator Set power generation process data
Analysis figure.
In the present invention, power distribution equipment further include: electric network information obtains module 51, and generator output information obtains module 52,
Information filter modulation module 53, microcontroller 54, generator excitation adjustment module 55, rotational speed regulation module 56；
Electric network information obtains module 51 and is used to obtain the current voltage of power grid, frequency and phase angle, the power grid that will acquire
Current voltage, frequency and phase angle pass through information filter modulation module 53 respectively and are transmitted to microcontroller 54；
Generator output information obtains module 52 for obtaining the voltage that each Biogas Generator Set 34 currently exports, frequency
And phase angle, the voltage that will acquire, frequency and phase angle pass through information filter modulation module 53 respectively and are transmitted to microcontroller
Device 54；
Microcontroller 54 is used to detect the output voltage of each Biogas Generator Set 34, and whether frequency and phase angle reach
The grid-connected required predetermined voltage threshold of power grid, predeterminated frequency threshold value, preset phase angle threshold value, the output electricity of Biogas Generator Set 34
Pressure when frequency and phase angle reach threshold value, executes simultaneously net operation；
When the output voltage of Biogas Generator Set 34 is unsatisfactory for predetermined voltage threshold, pass through generator excitation adjustment module
The output voltage of 55 adjusting Biogas Generator Sets 34 makes it meet predetermined voltage threshold；It is still unsatisfactory for when by the default number that adjusts
When issue electric voltage exception alarm；
When the output frequency of Biogas Generator Set 34 and/or phase angle are unsatisfactory for preset threshold, pass through rotational speed regulation mould
The revolving speed that block 56 adjusts Biogas Generator Set 34 makes it meet preset threshold；The sending when being still unsatisfactory for by default adjusting number
Frequency and/or phase angle abnormal alarm.
In the present invention, it includes: phase detecting module that generator output information, which obtains module 52, at marsh gas power generation distribution voltage
Module is managed, marsh gas power generation distribution voltage obtains circuit and marsh gas power generation distribution current acquisition circuitry；
Marsh gas power generation distribution voltage processing module is used to obtain the sinusoidal AC voltage signal of Biogas Generator Set 34, utilizes
The decompression of intermediate change device, isolation pass through biogas every a sampling time in exchange a cycle after over commutation, filtering
Generation distribution voltage acquisition circuit samples ac voltage signal, is transformed into digital quantity by analog-to-digital conversion；Each period
Be sampled as preset times, obtain the sampled data of preset times, sampled data transmitted by information filter modulation module 53
To microcontroller 54, the virtual value of voltage is obtained, be compared judgement；
Phase detecting module is used to obtain the sine voltage of the output of Biogas Generator Set 34, and sine voltage is transformed into
Accordingly with frequency square wave, information filter modulation module 53 will be passed through with frequency square wave and be transmitted to microcontroller 54, microcontroller 54 will
Measuring and calculating is carried out with power grid square wave with frequency square wave to compare, and the corresponding time value of the two voltage value rising edge is read respectively, when by the two
Between be worth time difference, converse the phase difference of Biogas Generator Set 34 Yu network voltage sine wave, be compared judgement；
Marsh gas power generation distribution current acquisition circuitry is for obtaining 34 generation current information of Biogas Generator Set；Microprocessor
tms320f2812。
In the present invention, power distribution equipment includes: that marsh gas power generation power-distribution electric energy obtains circuit；
It includes: marsh gas power generation distribution voltage resistance Rzd3, marsh gas power generation distribution electricity that marsh gas power generation distribution voltage, which obtains circuit,
Piezoresistance Rzd4, marsh gas power generation distribution voltage resistance Rzd5, marsh gas power generation distribution voltage resistance Rzd6, marsh gas power generation distribution voltage
Resistance Rzd7, marsh gas power generation distribution voltage capacitor Czd1；
Marsh gas power generation distribution voltage resistance Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 forms series circuit, and biogas
Generation distribution voltage resistance Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 indirectly；Marsh gas power generation distribution voltage resistance
The series circuit first end of Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 composition, marsh gas power generation distribution voltage resistance Rzd3's
First termination marsh gas power generation distribution voltage of first end, marsh gas power generation distribution voltage resistance Rzd6 obtains circuit detection anode；Natural pond
The series circuit second end of gas generation distribution voltage resistance Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 composition, marsh gas power generation
Second termination marsh gas power generation distribution voltage of the first end of distribution voltage resistance Rzd7, marsh gas power generation distribution voltage resistance Rzd3 obtains
Sense circuit detects cathode；The second end of marsh gas power generation distribution voltage resistance Rzd6, the of marsh gas power generation distribution voltage capacitor Czd1
One termination marsh gas power generation distribution voltage obtains circuit output anode, the second end of marsh gas power generation distribution voltage resistance Rzd7, biogas
The second termination marsh gas power generation distribution voltage of generation distribution voltage capacitor Czd1 obtains circuit output cathode；
Marsh gas power generation distribution voltage resistance Rzd6 and marsh gas power generation distribution voltage resistance Rzd7 plays metering function, biogas hair
Electric distribution voltage resistance Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 reduces interference, filtering clutter, marsh gas power generation distribution electricity
Voltage capacitance Czd1 filtering clutter resists interference, improves generating voltage accuracy of information；
Marsh gas power generation distribution current acquisition circuitry includes: marsh gas power generation distribution voltage resistance Rzd8, marsh gas power generation distribution electricity
Piezoresistance Rzd9, marsh gas power generation distribution voltage resistance Rzd10, marsh gas power generation distribution voltage resistance Rzd11, marsh gas power generation distribution electricity
Piezoresistance Rzd12, marsh gas power generation distribution voltage resistance Rzd13, marsh gas power generation distribution voltage capacitor Rzd2；Marsh gas power generation distribution electricity
The marsh gas power generation distribution current acquisition circuitry that piezoresistance Rzd8 first terminates detects positive, marsh gas power generation distribution voltage resistance Rzd10,
Marsh gas power generation distribution voltage resistance Rzd11 forms series circuit, and marsh gas power generation distribution voltage resistance Rzd10, marsh gas power generation are matched
Piezoelectric voltage resistance Rzd11 indirectly；Marsh gas power generation distribution voltage resistance Rzd10, marsh gas power generation distribution voltage resistance Rzd11 group
At series circuit first end, marsh gas power generation distribution voltage resistance Rzd8 second end, marsh gas power generation distribution voltage resistance Rzd9's
The first end of first end, marsh gas power generation distribution voltage resistance Rzd12 links together；
The series circuit second of marsh gas power generation distribution voltage resistance Rzd10, marsh gas power generation distribution voltage resistance Rzd11 composition
End, the first termination voltage of the second end of marsh gas power generation distribution voltage resistance Rzd9, marsh gas power generation distribution voltage resistance Rzd13 are adopted
Collect module and detects cathode；The second end of marsh gas power generation distribution voltage resistance Rzd12, the of marsh gas power generation distribution voltage capacitor Rzd2
One termination marsh gas power generation distribution current acquisition circuitry output cathode, the second end of marsh gas power generation distribution voltage capacitor Rzd2, biogas
The second termination marsh gas power generation distribution current acquisition circuitry output negative pole of generation distribution voltage resistance Rzd13；Marsh gas power generation distribution
Voltage resistance Rzd8, marsh gas power generation distribution voltage resistance Rzd12, marsh gas power generation distribution voltage resistance Rzd13 play current limliting, avoid
Heavy current impact marsh gas power generation distribution current acquisition circuitry burns out element, marsh gas power generation distribution voltage resistance Rzd10 and biogas hair
Electric distribution voltage resistance Rzd11 reduces interference, filtering clutter, and marsh gas power generation distribution voltage capacitor Czd2 filtering clutter is resisted dry
It disturbs, improves generation current accuracy of information；
It includes: marsh gas power generation power-distribution electric energy chip Uzd, marsh gas power generation distribution crystal oscillator that marsh gas power generation power-distribution electric energy, which obtains circuit,
Xzd, marsh gas power generation distribution voltage resistance Rzd2, marsh gas power generation distribution voltage resistance Rzd6, marsh gas power generation distribution voltage capacitor
Czd5, marsh gas power generation distribution voltage capacitor Czd4；9th foot of marsh gas power generation power-distribution electric energy chip connects voltage acquisition module output
Anode, the tenth foot connect voltage acquisition module output negative pole；16th foot connects current acquisition module output cathode, and the 15th foot connects electricity
Flow acquisition module output negative pole, the both ends marsh gas power generation distribution crystal oscillator Xzd the first foot with marsh gas power generation power-distribution electric energy chip respectively
It is connected with the 24th foot；The third foot of marsh gas power generation power-distribution electric energy chip was connected marsh gas power generation distribution voltage resistance Rzd2 and was connect
Power supply, marsh gas power generation distribution voltage capacitor Czd4 and marsh gas power generation distribution voltage capacitor Czd5 are arranged side by side, marsh gas power generation distribution voltage
First termination marsh gas power generation distribution voltage resistance Rzd2 and electricity capacitor Czd4 and marsh gas power generation distribution voltage capacitor Czd5 arranged side by side
Source, second end marsh gas power generation distribution voltage capacitor Czd4 and marsh gas power generation distribution voltage capacitor Czd5 arranged side by side are grounded；Biogas hair
The 11st foot and the 12nd foot of electric power-distribution electric energy chip are grounded by marsh gas power generation distribution voltage resistance Rzd6；Marsh gas power generation is matched
Electric electric energy chip uses CS5463 single-phase electric energy chip.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
Four " etc. if there is being to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It uses in this way
Data be interchangeable under appropriate circumstances, the embodiment of the present invention described herein can in addition to this document illustrate or retouch
Sequence other than stating is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged
His includes.
Thus marsh gas power generation distribution voltage obtains circuit and marsh gas power generation distribution current acquisition circuitry can be marsh gas power generation
Monitoring server provides voltage value and current value, and monitoring personnel is made to understand power generation process data in real time.Based on marsh gas power generation distribution
Electric energy acquisition circuit come realize to power generation electric energy conversion.
Marsh gas power generation monitoring server is also used to obtain the revolving speed of methane fuelled engine when Biogas Generator Set 34 works, phase
Position, frequency, engine cooling water temperature obtain circuit by marsh gas power generation distribution voltage and obtain each phase voltage value, pass through biogas
Generation distribution current acquisition circuitry obtains each phase current values；When temperature superthreshold, revolving speed superthreshold, mistake occurs in methane fuelled engine
Frequently, under-frequency, over-voltage, under-voltage and overcurrent alert.
In the present invention, system further include: multiple marsh gas power generation subsystems, each multiple marsh gas power generation subsystems respectively with natural pond
Gas power generation monitoring server communication connection；
Marsh gas power generation monitoring server 42 is configured with biogas fermentation data cloud storage end；
Marsh gas power generation subsystem further include: marsh gas power generation data processor, data communication module and marsh gas power generation data
Memory module；Marsh gas power generation data processor obtains raw material blending tank 11, material bin 12, marsh-gas fermentation tank 21, biogas storage respectively
The operation information of gas tank 33 and every Biogas Generator Set 34, and operation information is stored to marsh gas power generation data and stores mould
Block；Marsh gas power generation data processor is every to pass through a preset time period, and marsh gas power generation data memory module current slot is stored
Information be uploaded to biogas fermentation data cloud storage end；
Marsh gas power generation monitoring server 42 is every to be obtained each by a preset time period from biogas fermentation data cloud storage end
The information of marsh gas power generation subsystem operation, and according to the marsh gas power generation data acquisition cycle of setting, or the marsh gas power generation number of setting
According to acquisition time section, transferred in marsh gas power generation operation data repository marsh gas power generation process data carry out tracing and monitoring, shape
At the trend analysis figure of each marsh gas power generation process data, the trend analysis figure of each Biogas Generator Set power generation process data.
Marsh gas power generation monitoring server can obtain data information from biogas fermentation data cloud storage end.And each biogas hair
Electronic system stores data to biogas fermentation data cloud storage end, reduces marsh gas power generation monitoring server to the fortune of data processing
Calculation amount provides the data-handling capacity of marsh gas power generation monitoring server.And it marsh gas power generation can also supervise according to the demand of user
Control server targetedly extracts analysis to marsh gas power generation data.It can also be analyzed based on different types of data,
Such as the revolving speed of methane fuelled engine, phase, frequency, engine cooling water temperature obtains circuit by marsh gas power generation distribution voltage and obtains
Each phase voltage value is taken, each phase current values, CH are obtained by marsh gas power generation distribution current acquisition circuitry4Data, H2S data, CO2Number
According to, data on flows, pressure data, temperature data, pH value data, the single analysis processing of biogas storage tank pressure information.
In the present invention, since each marsh gas power generation subsystem local environment is different, the requirement to communication mode is different, biogas
The local environment of each equipment is different in power generation sub-system, and the requirement to communication mode is different, and system can according to need setting
Different communication protocol.
Marsh gas power generation monitoring server is also used to that it is single to obtain each composition of marsh gas power generation subsystem by various communications protocols
The data of member and the data information for obtaining multiple marsh gas power generation subsystems, and according to the protocol conversion mode of setting by different associations
The data that view and different acquisition modes obtain uniformly are converted into server general information form, and marsh gas power generation monitoring server will
CH4Data, H2S data, CO2Data, data on flows, pressure data, temperature data, pH value data, biogas storage pressure tank letter
Breath, every Biogas Generator Set generating voltage information, generation current information and energy information be prepared into development trend, to natural pond
Gas power generation data carry out threshold value restriction, and real time monitoring avoids superthreshold or super early warning；
Marsh gas power generation monitoring server is also used to the data to each component units of marsh gas power generation subsystem and obtains more
The data information of a marsh gas power generation subsystem carries out marsh gas power generation information duplicate removal, classification and dissection process, according to preset mode
Keyword is extracted, and keyword is added according to the mode of setting, when the biogas operation information of acquisition is data flow or long data lattice
When formula, biogas operation information glomeration is configured by keyword, and clustering is based on to biogas operation information glomeration, realizes biogas
Operation information report, and show each biogas operation information source；Configure biogas operation information search operaqtion port.
In the present invention, marsh-gas fermentation tank 21 includes: tank body, and top of the tank is equipped with material feed inlet 22 and air compressor machine 23, object
Expect that feed inlet 22 is configured with sealing cover body；Material feed inlet 22 is corresponding with the position of conveying position of haul belt 18；
Air compressor machine 23 is connected with tank interior, and the intracorporal air of tank is extracted in the compression of air compressor machine 23, provides biogas fermentation
Anaerobic environment；Tank interior, which is equipped with, is from top to bottom provided with fermentation paddle 24, and fermentation paddle 24 is connected in series by drive shaft, drive shaft
Top and tank body be externally connected to fermentation motor 29；Tank body side, which is equipped with, stores excrement input port, biogas delivery outlet 20 and perpendicular leads
The top of pipe 27, perpendicular conduit 27 is connected with horizontal conduit 26, and the both ends of horizontal conduit 26 are connected separately with perpendicular conduit 27；Perpendicular conduit 27
Bottom end is connected with insertion tube, and insertion tube is inserted into tank interior；The junction of insertion tube and perpendicular conduit 27 is equipped with hydraulic pump 28, liquid
Press pump 28 extracts the fermentation material of tank interior by insertion tube, and by the perpendicular conduction of conduit 27 to horizontal conduit 26, horizontal conduit 26 is planted
To tank interior, and the horizontal conduit 26 planted to tank interior is equipped with ingredient spray head 25；The fermentation material of extraction is sprayed by ingredient
First 25 spray in the position close to top of the tank；Tank interior is additionally provided with fermentation electric heater unit 30, and ferment electric heater unit 30
It is arranged along the vertical direction of tank body.
The agitating paddle 13 for smashing raw material is equipped with inside raw material blending tank 11, agitating paddle 13 connects driving motor 14
Output shaft；11 side of raw material blending tank is equipped with raw material liquidometer；Each original is arrived since marsh gas power generation monitoring server is available
Raw material liquid level in material blending tank 11 can issue prompt, be replenished in time when raw material liquid level deficiency.Convenient for each biogas
The coordination of power generation sub-system resource.
12 lower part of material bin is equipped with discharge port, and 12 top of material bin is equipped with feeding inlet, and the discharge port lower part of material bin 12 is set
There is haul belt 18, the material inside material bin 12 is transported to marsh-gas fermentation tank 21 by haul belt 18.Wherein, in material bin 12
Agricultural crop straw and the material of biogas fermentation smashed by beating crusher, storage to material bin.Same marsh gas power generation monitoring clothes
The business available material position to each material bin of device can issue prompt, be replenished in time when material position deficiency.Convenient for each
The coordination of marsh gas power generation subsystem resource.Meet marsh gas power generation demand.
Marsh gas power generation subsystem further include: biogas wash mill 31 and desulfurization reactor 32；Marsh-gas fermentation tank 21 carries out natural pond
The biogas delivery outlet 20 of gas fermentation, marsh-gas fermentation tank 21 is connect by biogas conveyance conduit with biogas wash mill 31, and biogas is washed
Wash the H in the biogas and caustic alkali reaction removing biogas that device 31 conveys marsh-gas fermentation tank 212S removes H2The biogas of S is in natural pond
It is expelled to desulfurization reactor 32 at the top of gas washing device 31, after desulfurization reactor 32 is to biogas desulfurization, passes through pipeline and pipeline pump
It is delivered to the storage of biogas storage tank 33.It can play and withdraw deposit to the biogas after fermentation in this way, improve generating efficiency.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of marsh gas power generation multicomputer parallel control system characterized by comprising marsh gas power generation subsystem (41) and with
The marsh gas power generation monitoring server (42) of marsh gas power generation subsystem (41) communication connection；
Marsh gas power generation subsystem (41) includes: raw material blending tank (11), material bin (12), marsh-gas fermentation tank (21), biogas storage
Tank (33) and at least a Biogas Generator Set (34)；
Raw material blending tank (11) is used for the mixing of biogas fermentation material；Raw material blending tank (11) is equipped with feeding inlet (15) and discharge port
(16)；Raw material blending tank discharge port (16) is connect by pipeline and pipeline pump (17) with marsh-gas fermentation tank (21), and raw material is mixed
The internal solidliquid mixture of tank (11) is delivered to marsh-gas fermentation tank (21)；
Material bin (12) is used to store the material of agricultural crop straw and biogas fermentation, and provides biogas to marsh-gas fermentation tank (21)
Fermentation materials；
Marsh-gas fermentation tank (21) carries out biogas fermentation, and the biogas delivery outlet (20) of marsh-gas fermentation tank (21) passes through biogas conveyance conduit
It is connect with biogas storage tank (33), biogas storage tank (33) stores biogas；
Biogas storage tank (33) is by pipeline and pipeline pump and Biogas Generator Set (34), the natural pond that biogas storage tank (33) are stored
Gas is delivered to Biogas Generator Set (34), and Biogas Generator Set (34) is generated electricity by the biogas conveyed, Biogas Generator Set
(34) electric energy issued is distributed to power grid by power distribution equipment；
The tank interior of marsh-gas fermentation tank (21) is additionally provided with CH4Sensor, H2Sensor, CO2Sensor, flow sensor, pressure
Force snesor, temperature sensor and pH value monitor；
CH4Sensor, H2Sensor, CO2Sensor, flow sensor, pressure sensor, temperature sensor and pH value monitoring
Device acquires fermentation process data respectively, by fermentation process data by being transmitted to marsh gas power generation prison after transmitter and A/D converter
Control server；
Power distribution equipment is equipped with the marsh gas power generation voltage acquisition circuit for obtaining each Biogas Generator Set (34) generating voltage respectively, obtains
It takes the marsh gas power generation current acquisition circuitry of generation current and obtains the marsh gas power generation electric energy computing module of power generation electric energy；
The generating voltage and generation current that power distribution equipment will acquire calculate electric energy by marsh gas power generation electric energy computing module, then will
Generating voltage, generation current and power generation electric energy are transmitted to marsh gas power generation monitoring server；
Marsh gas power generation monitoring server is for obtaining raw material blending tank liquid level information, material bin material position information, marsh-gas fermentation tank tank
The CH in internal portion4Data, H2S data, CO2Data, data on flows, pressure data, temperature data, pH value data, biogas storage tank
Generating voltage information, generation current information and the energy information of pressure information, every Biogas Generator Set；When the data of acquisition
When beyond threshold value, warning note is issued；
The data that will acquire carry out classified storage, form marsh gas power generation operation data repository, are that the data of marsh gas power generation are analyzed
Management provides support；
Marsh gas power generation monitoring server is also used to the marsh gas power generation data acquisition cycle according to setting, or the marsh gas power generation number of setting
According to acquisition time section, transferred in marsh gas power generation operation data repository marsh gas power generation process data carry out tracing and monitoring, shape
At the trend analysis figure of each marsh gas power generation process data, the trend analysis figure of each Biogas Generator Set power generation process data.
2. marsh gas power generation multicomputer parallel control system according to claim 1, which is characterized in that
Power distribution equipment further include: electric network information obtains module (51), and generator output information obtains module (52), information filter tune
Molding block (53), microcontroller (54), generator excitation adjustment module (55), rotational speed regulation module (56)；
Electric network information obtains module (51) and is used to obtain the current voltage of power grid, frequency and phase angle, the power grid that will acquire are worked as
Preceding voltage, frequency and phase angle pass through information filter modulation module (53) respectively and are transmitted to microcontroller (54)；
Generator output information obtains module (52) for obtaining the voltage that each Biogas Generator Set (34) currently exports, frequency
And phase angle, the voltage that will acquire, frequency and phase angle pass through information filter modulation module (53) respectively and are transmitted to micro-control
Device (54) processed；
Microcontroller (54) is used to detect the output voltage of each Biogas Generator Set (34), and whether frequency and phase angle reach
The grid-connected required predetermined voltage threshold of power grid, predeterminated frequency threshold value, preset phase angle threshold value, the output of Biogas Generator Set (34)
When voltage, frequency and phase angle reach threshold value, simultaneously net operation is executed；
When the output voltage of Biogas Generator Set (34) is unsatisfactory for predetermined voltage threshold, pass through generator excitation adjustment module
(55) output voltage for adjusting Biogas Generator Set (34) makes it meet predetermined voltage threshold；When by presetting adjusting number still not
Electric voltage exception alarm is issued when meeting；
When the output frequency of Biogas Generator Set (34) and/or phase angle are unsatisfactory for preset threshold, pass through rotational speed regulation module
(56) revolving speed for adjusting Biogas Generator Set (34) makes it meet preset threshold；The hair when being still unsatisfactory for by default adjusting number
Frequency and/or phase angle abnormal alarm out.
3. marsh gas power generation multicomputer parallel control system according to claim 2, which is characterized in that
It includes: phase detecting module, marsh gas power generation distribution voltage processing module, biogas that generator output information, which obtains module (52),
Generation distribution voltage acquisition circuit and marsh gas power generation distribution current acquisition circuitry；
Marsh gas power generation distribution voltage processing module is used to obtain the sinusoidal AC voltage signals of Biogas Generator Set (34), in utilization
Between variator decompression, isolation, after over commutation, filtering, exchange a cycle in every a sampling time by biogas hair
Electric distribution voltage obtains circuit and samples to ac voltage signal, is transformed into digital quantity by analog-to-digital conversion；Each period
Preset times are sampled as, the sampled data of preset times is obtained, sampled data is transmitted by information filter modulation module (53)
To microcontroller (54), the virtual value of voltage is obtained, be compared judgement；
Phase detecting module is used to obtain the sine voltage of Biogas Generator Set (34) output, and sine voltage is transformed into phase
The same frequency square wave answered will be transmitted to microcontroller (54), microcontroller by information filter modulation module (53) with frequency square wave
(54) measuring and calculating will be carried out with power grid square wave with frequency square wave to compare, read the corresponding time value of the two voltage value rising edge respectively, by
The two time value obtains time difference, converses the phase difference of Biogas Generator Set (34) and network voltage sine wave, is compared
Compared with judgement；
Marsh gas power generation distribution current acquisition circuitry is for obtaining Biogas Generator Set (34) generation current information；
Microprocessor tms320f2812.
4. marsh gas power generation multicomputer parallel control system according to claim 3, which is characterized in that
Power distribution equipment includes: that marsh gas power generation power-distribution electric energy obtains circuit；
It includes: marsh gas power generation distribution voltage resistance Rzd3, marsh gas power generation distribution voltage electricity that marsh gas power generation distribution voltage, which obtains circuit,
Hinder Rzd4, marsh gas power generation distribution voltage resistance Rzd5, marsh gas power generation distribution voltage resistance Rzd6, marsh gas power generation distribution voltage resistance
Rzd7, marsh gas power generation distribution voltage capacitor Czd1；
Marsh gas power generation distribution voltage resistance Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 forms series circuit, and marsh gas power generation
Distribution voltage resistance Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 indirectly；Marsh gas power generation distribution voltage resistance Rzd4 with
The series circuit first end of marsh gas power generation distribution voltage resistance Rzd5 composition, the first of marsh gas power generation distribution voltage resistance Rzd3
The first termination marsh gas power generation distribution voltage at end, marsh gas power generation distribution voltage resistance Rzd6 obtains circuit detection anode；Biogas hair
The series circuit second end of electric distribution voltage resistance Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 composition, marsh gas power generation distribution
Second termination marsh gas power generation distribution voltage of the first end of voltage resistance Rzd7, marsh gas power generation distribution voltage resistance Rzd3 obtains electricity
Detect cathode in road；The second end of marsh gas power generation distribution voltage resistance Rzd6, the first end of marsh gas power generation distribution voltage capacitor Czd1
It connects marsh gas power generation distribution voltage and obtains circuit output anode, the second end of marsh gas power generation distribution voltage resistance Rzd7, marsh gas power generation
The second termination marsh gas power generation distribution voltage of distribution voltage capacitor Czd1 obtains circuit output cathode；
Marsh gas power generation distribution voltage resistance Rzd6 and marsh gas power generation distribution voltage resistance Rzd7 play metering function, and marsh gas power generation is matched
Piezoelectric voltage resistance Rzd4 and marsh gas power generation distribution voltage resistance Rzd5 reduces interference, filtering clutter, marsh gas power generation distribution voltage electricity
Hold Czd1 filtering clutter, resist interference, improves generating voltage accuracy of information；
Marsh gas power generation distribution current acquisition circuitry includes: marsh gas power generation distribution voltage resistance Rzd8, marsh gas power generation distribution voltage electricity
Hinder Rzd9, marsh gas power generation distribution voltage resistance Rzd10, marsh gas power generation distribution voltage resistance Rzd11, marsh gas power generation distribution voltage electricity
Hinder Rzd12, marsh gas power generation distribution voltage resistance Rzd13, marsh gas power generation distribution voltage capacitor Rzd2；
Marsh gas power generation distribution voltage resistance Rzd8 first terminates marsh gas power generation distribution current acquisition circuitry detection anode, marsh gas power generation
Distribution voltage resistance Rzd10, marsh gas power generation distribution voltage resistance Rzd11 form series circuit, and marsh gas power generation distribution voltage electricity
Hinder Rzd10, marsh gas power generation distribution voltage resistance Rzd11 indirectly；Marsh gas power generation distribution voltage resistance Rzd10, marsh gas power generation
The series circuit first end of distribution voltage resistance Rzd11 composition, marsh gas power generation distribution voltage resistance Rzd8 second end, marsh gas power generation
The first end of the first end of distribution voltage resistance Rzd9, marsh gas power generation distribution voltage resistance Rzd12 links together；
The series circuit second end of marsh gas power generation distribution voltage resistance Rzd10, marsh gas power generation distribution voltage resistance Rzd11 composition,
The second end of marsh gas power generation distribution voltage resistance Rzd9, the first termination voltage acquisition of marsh gas power generation distribution voltage resistance Rzd13
Module detects cathode；The second end of marsh gas power generation distribution voltage resistance Rzd12, the first of marsh gas power generation distribution voltage capacitor Rzd2
Terminate marsh gas power generation distribution current acquisition circuitry output cathode, the second end of marsh gas power generation distribution voltage capacitor Rzd2, biogas hair
The second termination marsh gas power generation distribution current acquisition circuitry output negative pole of electric distribution voltage resistance Rzd13；
Marsh gas power generation distribution voltage resistance Rzd8, marsh gas power generation distribution voltage resistance Rzd12, marsh gas power generation distribution voltage resistance
Rzd13 plays current limliting, and heavy current impact marsh gas power generation distribution current acquisition circuitry is avoided to burn out element, marsh gas power generation distribution voltage
Resistance Rzd10 and marsh gas power generation distribution voltage resistance Rzd11 reduces interference, filtering clutter, marsh gas power generation distribution voltage capacitor
Czd2 filtering clutter resists interference, improves generation current accuracy of information；
It includes: marsh gas power generation power-distribution electric energy chip Uzd, marsh gas power generation distribution crystal oscillator Xzd that marsh gas power generation power-distribution electric energy, which obtains circuit,
Marsh gas power generation distribution voltage resistance Rzd2, marsh gas power generation distribution voltage resistance Rzd6, marsh gas power generation distribution voltage capacitor Czd5, natural pond
Gas generation distribution voltage capacitor Czd4；9th foot of marsh gas power generation power-distribution electric energy chip connects voltage acquisition module output cathode, the
Ten feet connect voltage acquisition module output negative pole；16th foot connects current acquisition module output cathode, and the 15th foot connects current acquisition
Module output negative pole, the both ends marsh gas power generation distribution crystal oscillator Xzd the first foot and second with marsh gas power generation power-distribution electric energy chip respectively
The connection of 14 feet；The third foot of marsh gas power generation power-distribution electric energy chip connected marsh gas power generation distribution voltage resistance Rzd2 and connects power supply,
Marsh gas power generation distribution voltage capacitor Czd4 and marsh gas power generation distribution voltage capacitor Czd5 are arranged side by side, marsh gas power generation distribution voltage capacitor
First termination marsh gas power generation distribution voltage resistance Rzd2 and power supply Czd4 and marsh gas power generation distribution voltage capacitor Czd5 arranged side by side, natural pond
Second end gas generation distribution voltage capacitor Czd4 and marsh gas power generation distribution voltage capacitor Czd5 arranged side by side is grounded；Marsh gas power generation distribution
The 11st foot and the 12nd foot of electric energy chip are grounded by marsh gas power generation distribution voltage resistance Rzd6；Marsh gas power generation power-distribution electric energy
Chip uses CS5463 single-phase electric energy chip.
5. marsh gas power generation multicomputer parallel control system according to claim 1 or 2, which is characterized in that
Further include: multiple marsh gas power generation subsystems, each multiple marsh gas power generation subsystems respectively with marsh gas power generation monitoring server
Communication connection；
Marsh gas power generation monitoring server (42) is configured with biogas fermentation data cloud storage end；
Marsh gas power generation subsystem further include: marsh gas power generation data processor, data communication module and the storage of marsh gas power generation data
Module；
Marsh gas power generation data processor obtains raw material blending tank (11), material bin (12), marsh-gas fermentation tank (21), biogas storage respectively
Gas tank (33) and the operation information of every Biogas Generator Set (34), and operation information is stored to marsh gas power generation data and is stored
Module；Marsh gas power generation data processor is every to pass through a preset time period, and marsh gas power generation data memory module current slot is stored up
The information deposited is uploaded to biogas fermentation data cloud storage end；
Marsh gas power generation monitoring server (42) is every to obtain each natural pond from biogas fermentation data cloud storage end by a preset time period
The information of gas power generation sub-system operation, and according to the marsh gas power generation data acquisition cycle of setting, or the marsh gas power generation data of setting
Acquisition time section, transferred in marsh gas power generation operation data repository marsh gas power generation process data carry out tracing and monitoring, formed
The trend analysis figure of each marsh gas power generation process data, the trend analysis figure of each Biogas Generator Set power generation process data.
6. marsh gas power generation multicomputer parallel control system according to claim 1 or 2, which is characterized in that
Marsh gas power generation monitoring server is also used to obtain each component units of marsh gas power generation subsystem by various communications protocols
Data and the data information for obtaining multiple marsh gas power generation subsystems, and according to the protocol conversion mode of setting by different agreement and
The data that different acquisition modes obtain uniformly are converted into server general information form, and marsh gas power generation monitoring server is by CH4Number
According to, H2S data, CO2Data, data on flows, pressure data, temperature data, pH value data, biogas storage tank pressure information, every
Generating voltage information, generation current information and the energy information of Biogas Generator Set are prepared into development trend, to marsh gas power generation
Data carry out threshold value restriction, and real time monitoring avoids superthreshold or super early warning.
7. marsh gas power generation multicomputer parallel control system according to claim 1 or 2, which is characterized in that
Marsh gas power generation monitoring server is also used to the data to each component units of marsh gas power generation subsystem and obtains multiple natural ponds
The data information of gas power generation sub-system carries out marsh gas power generation information duplicate removal, classification and dissection process, extracts according to preset mode
Keyword, and keyword is added according to the mode of setting, when the biogas operation information of acquisition is data flow or long data format,
Biogas operation information glomeration is configured by keyword, clustering is based on to biogas operation information glomeration, realizes biogas operation
Information report, and show each biogas operation information source；Configure biogas operation information search operaqtion port.
8. marsh gas power generation multicomputer parallel control system according to claim 1 or 2, which is characterized in that
Marsh-gas fermentation tank (21) includes: tank body, and top of the tank is equipped with material feed inlet (22) and air compressor machine (23), material feed inlet
(22) it is configured with sealing cover body；Material feed inlet (22) is corresponding with the position of conveying position of haul belt (18)；
Air compressor machine (23) is connected with tank interior, and the intracorporal air of tank is extracted in air compressor machine (23) compression, provides biogas fermentation
Anaerobic environment；Tank interior is equipped with and is from top to bottom provided with fermentation paddle (24), and fermentation paddle (24) is connected in series by drive shaft, drives
Moving axis top and tank body be externally connected to fermentation motor (29)；Tank body side, which is equipped with, stores excrement input port, biogas delivery outlet (20)
And perpendicular conduit (27), the top of perpendicular conduit (27) are connected with horizontal conduit (26), the both ends of horizontal conduit (26) are connected separately with perpendicular
Conduit (27)；The bottom end of perpendicular conduit (27) is connected with insertion tube, and insertion tube is inserted into tank interior；Insertion tube and perpendicular conduit (27)
Junction be equipped with hydraulic pump (28), hydraulic pump (28) extracts the fermentation material of tank interior by insertion tube, passes through perpendicular conduit
(27) to horizontal conduit (26), horizontal conduit (26), which is planted, arrives tank interior, and plants onto the horizontal conduit (26) of tank interior for conduction
Equipped with ingredient spray head (25)；The fermentation material of extraction is sprayed by ingredient spray head (25) in the position close to top of the tank；In tank body
Portion is additionally provided with fermentation electric heater unit (30), and fermentation electric heater unit (30) is arranged along the vertical direction of tank body.
9. marsh gas power generation multicomputer parallel control system according to claim 1, which is characterized in that
The excrement agitating paddle (13) for smashing the excrement of livestock, poultry, excrement stirring are equipped with inside raw material blending tank (11)
Paddle (13) connection stores the output shaft of excrement driving motor (14)；Raw material blending tank (11) side, which is equipped with, stores excrement liquidometer；
Material bin (12) lower part is equipped with discharge port, and material bin (12) top is equipped with feeding inlet, the discharge port lower part of material bin (12)
Equipped with haul belt (18), the internal material of material bin (12) is transported to marsh-gas fermentation tank (21) by haul belt (18).
10. marsh gas power generation multicomputer parallel control system according to claim 1, which is characterized in that
Marsh gas power generation subsystem further include: biogas wash mill (31) and desulfurization reactor (32)；
Marsh-gas fermentation tank (21) carries out biogas fermentation, and the biogas delivery outlet (20) of marsh-gas fermentation tank (21) passes through biogas conveyance conduit
It is connect with biogas wash mill (31), biogas and the caustic alkali reaction that biogas wash mill (31) conveys marsh-gas fermentation tank (21)
Remove the H in biogas2S removes H2The biogas of S is expelled to desulfurization reactor (32) at the top of biogas wash mill (31), and desulfurization is anti-
Answer device (32) to biogas desulfurization after, by pipeline and pipeline pump be delivered to biogas storage tank (33) storage.
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