CN109136083A - A kind of anaerobic digestion process on-line monitoring system - Google Patents
A kind of anaerobic digestion process on-line monitoring system Download PDFInfo
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- CN109136083A CN109136083A CN201811068308.4A CN201811068308A CN109136083A CN 109136083 A CN109136083 A CN 109136083A CN 201811068308 A CN201811068308 A CN 201811068308A CN 109136083 A CN109136083 A CN 109136083A
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- 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
- C12M23/02—Form or structure of the vessel
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- 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
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- 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
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- 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
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
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Abstract
The present invention relates to a kind of anaerobic digestion process on-line monitoring systems, which is characterized in that the on-line monitoring system includes anaerobic digestion reaction vessel, anaerobic digestion circulation loop system, on-Line Monitor Device, circulating heater and control system；Agitation means are provided in anaerobic digestion reaction vessel；Inlet port and outlet port are offered on anaerobic digestion reaction vessel, inlet and outlet are offered at the insulating layer of anaerobic digestion reaction vessel, and the discharge port of anaerobic digestion reaction vessel connects on-Line Monitor Device by anaerobic digestion circulation loop system；The water outlet and water inlet of anaerobic digestion reaction vessel are separately connected circulating heater；It is provided with motor at the top of anaerobic digestion reaction vessel, is fixedly connected with motor output end at the top of agitation means；It is also plugged in anaerobic digestion reaction vessel and fixes the first temperature sensor；Motor, anaerobic digestion circulation loop system and the first temperature sensor are also electrically connected control system, the composite can be widely applied in biochemical reaction technical field.
Description
Technical field
The present invention relates to a kind of anaerobic digestion process on-line monitoring systems, belong to biochemical reaction technical field.
Background technique
Chinese annual about 3,900,000,000 tons of feces of livestock and poultry of generation, about 600,000,000 tons of other wastes, brings by about 700,000,000 tons of agricultural crop straw
Serious environmental problem.Anaerobic digestion is as a kind of biodegrade and produces biogas technology, it has also become one of effective solution route.
Organic waste is handled using anaerobic digestion techniques, on the one hand solves the environmental problem in city and rural area, on the other hand one
The problem for determining to alleviate current Chinese energy shortage in degree is of great significance for ecology and economic sustainable development.
Anaerobic digestion is the biochemical reaction carried out under anaerobic, and anaerobic bacteria decomposing organic matter generates biogas,
Its fermentation reaction is a complicated biochemical process, including hydrolysis, acidification and methane phase three phases, and each stage has accordingly
Microorganism participate in reaction.Participate in reaction bacterium be broadly divided into zymogenic bacteria, hydrogen-producing acetogens, consumption hydrogen acetogen,
Eat producing hydrogen and methane bacterium and food acetic acid and methane producing bacterium.Anaerobe is more sensitive to high organic loading and external disturbance, especially
Methanogen is harsher to environmental condition requirement, when influent load increases suddenly or water temperature, basicity are too low, hydrolysis acidification mistake
Journey is easy unbalance with methanation, largely accumulates so as to cause organic acid, anaerobic methane is suppressed even reactor fortune
Row failure.Therefore, reasonable real-time monitoring is carried out to anaerobic digestion process, and adjusts process key parameter in time, can guaranteed
Anaerobic digestion process is stable, efficiently, low energy consumption carries out, and obtains higher biogas yield.
The prior art focuses mainly on the research of anaerobic digestion the monitoring of the regular industrials index such as temperature, pH, generally
It can be met the requirements using conventional sensor, and more for important intermediates such as volatile fatty acids use off-line method
It is measured in conjunction with pertinent instruments such as gas chromatographs, is not able to satisfy the requirement of on-line monitoring.Researcher using hyperspectral technique from
Line monitors the content of solid content in fermentation liquid；Also there is correlative study that near-infrared probe is directly placed directly within to the glass of reacting tank body
On outer wall, the variation of ethanol content in fermentation process can be monitored on-line；Near-infrared probe is installed on external pipe, obtains hair
The spectral information of zymotic fluid, the content of volatile fatty acid, acetic acid and propionic acid can be predicted by establishing model.Researcher also builds
There is an outer loop pipeline, has the functions such as sampling, acquisition spectrum, be capable of the content of real-time monitoring glycerol.However, existing detest
Oxygen digestion monitoring system generally focuses only on the monitoring of anaerobic digestion technological parameter (temperature and pH etc.), not can accurately reflect and detests
The state of oxygen digestion；In addition, existing anaerobic digestion monitoring systematic research direction is offline research, fails real-time monitoring anaerobism and disappear
Change process cannot obtain multiple key parameters (acetic acid, isobutyric acid, butyric acid, isovaleric acid, valeric acid etc.) of anaerobic digestion simultaneously.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide the anaerobic digestions that one kind can accurately reflect anaerobic digestion state
Process on-line monitoring system.
To achieve the above object, the present invention takes following technical scheme: a kind of anaerobic digestion process on-line monitoring system,
Be characterized in that, the on-line monitoring system include anaerobic digestion reaction vessel, anaerobic digestion circulation loop system, on-Line Monitor Device,
Circulating heater and control system, wherein be provided with insulating layer in the anaerobic digestion reaction vessel；The anaerobic digestion reaction
Agitation means are provided in device；Inlet port and outlet port, the anaerobic digestion reaction are offered on the anaerobic digestion reaction vessel
Inlet and outlet are offered at the insulating layer of device, the discharge port of the anaerobic digestion reaction vessel is followed by the anaerobic digestion
Loop back path system connects the on-Line Monitor Device；The water outlet and water inlet of the anaerobic digestion reaction vessel are separately connected described
Circulating heater；It is provided with motor at the top of the anaerobic digestion reaction vessel, is fixedly connected with the electricity at the top of the agitation means
Machine output end；It is also plugged in the anaerobic digestion reaction vessel and is fixed for acquiring fermentation liquid in the anaerobic digestion reaction vessel in real time
First temperature sensor of temperature；The motor, anaerobic digestion circulation loop system and the first temperature sensor are also electrically connected respectively
Connect the control system.
Further, the anaerobic digestion circulation loop system includes y-type filter, fluid reservoir, air filter and blower；
The discharge port of the anaerobic digestion reaction vessel connects the second valve through the first valve in parallel with the y-type filter by spiral valve
Door outlet, third valve export, the 4th valve inlet and the on-Line Monitor Device import, the second valve inlet connection are outer
Portion water source, the outlet of the 4th valve are sample tap, and the on-Line Monitor Device outlet connects the fluid reservoir import, described
Fluid reservoir outlet connects the air filter by the 5th valve in parallel and blower, the entrance of the air filter are also set
It is equipped with the 6th valve, the third valve inlet connects the 8th valve and the blower by the 7th valve in parallel.
Further, the on-Line Monitor Device includes polyformaldehyde mechanism, the first fixed device, the second fixed device, reflection
Plate, the first quartz glass, the second quartz glass and near infrared spectrometer；The polyformaldehyde mechanism is by upper polyformaldehyde mechanism
It is fixedly connected with lower polyformaldehyde mechanism to constitute, the upper polyformaldehyde mechanism and lower polyformaldehyde mechanism are by one first polyformaldehyde plate
The heart plugs respectively fixes one second polyformaldehyde plate composition, is provided with and is used between the upper polyformaldehyde mechanism and lower polyformaldehyde mechanism
For the channel of fermentation liquid circulation, the channel both ends are separately provided for connecting the anaerobic digestion circulation loop system pipeline
Interface；The upper polyformaldehyde mechanism center plugs the fixed described first fixed device, and the lower polyformaldehyde mechanism center plugs
Fixed described second fixed device；Described first fixed bottom of device is disposed with the reflecting plate and the first quartz glass
Glass is provided with the near infrared spectrometer in the second fixed device, is provided with above the near infrared spectrometer described
Second quartz glass.
Further, the reflecting plate uses polytetrafluoroethylene material.
Further, the circulating heater includes heating cabinet and control device, be provided in the heating cabinet heater strip,
Second temperature sensor, water tank and peristaltic pump；The heater strip is provided in the water tank, the water inlet of the water tank connects institute
The water outlet at the insulating layer of anaerobic digestion reaction vessel is stated, the water outlet of the water tank connects the anaerobism by the peristaltic pump
Water inlet at the insulating layer of digestion reactor；The control device is electrically connected the heater strip, second temperature sensor
And peristaltic pump, described in the control device is used to acquired in real time according to predetermined temperature and the second temperature sensor
Water the temperature inside the box heats the water in the water tank by the heater strip.
Further, which further includes bracket, and the frame bottom is provided with universal wheel, is set on the bracket
It is equipped with the anaerobic digestion reaction vessel.
Further, the control system includes intermittently or serially setting button, blower button, speed regulation knob, starting or urgency
Stop button, setting panel, display panel and controller；The controller is electrically connected the motor, blower, the first temperature and passes
Sensor intermittently or serially sets button, blower button, speed regulation knob, starting or scram button, setting panel and display panel；
The controller is used to preset the different time interval of the motor by the setting panel；It is preset for basis
The motor different time interval, pass through the intermittently or serially setting button and control intermittent condition or the company of the motor
Continuous state；For controlling opening or closing for the blower by the blower button；For being controlled by the speed regulation knob
The revolving speed of the motor and blower；For controlling starting or stoping for each electrical component by the starting or scram button；With
And it is sent out in the anaerobic digestion reaction vessel for being acquired by the first temperature sensor described in the display panel real-time display
The temperature information of zymotic fluid.
Further, the anaerobic digestion reaction vessel uses borosilicate glass material, is provided in the anaerobic digestion reaction vessel
Double-layered water bath insulating layer.
Further, gas collection mouth is offered on the anaerobic digestion reaction vessel.
Further, the agitation means include agitating shaft, and the top of the agitating shaft connects the output end of the motor, institute
The bottom symmetrical for stating agitating shaft is provided with two stirring blades.
The invention adopts the above technical scheme, which has the following advantages: 1, the present invention is recycled back to using anaerobic digestion
Road system effectively exports the fermentation liquid in anaerobic digestion reaction vessel in time, meanwhile, have the function of cleaning, drying, one
Pipeline can be cleared up after secondary experiment in time, does not influence to test next time.2, on-Line Monitor Device of the invention uses infrared near-infrared
Spectrometer real time on-line monitoring anaerobic digestion process can monitor multiple fermentation key parameters of fermentation liquid simultaneously, improve previous
Sensor can only measure the shortcomings that single parameter.3, anaerobic digestion reaction vessel of the invention uses double-decked insulation, adopts simultaneously
With the mode of heating water bath, intelligent control anaerobic digestion reaction vessel keeps temperature constant state in ideal temperature, makes anaerobic digestion
Process stabilization, efficiently in the state of run.4, the present invention is spare vacuumizes material mode of drawing, anaerobic digestion circulation loop system
It can connect outer fan, before experiment carries out, by entire bypass duct vacuum state, pipeline made to be in negative pressure state,
Fermentation liquid is drained into on-Line Monitor Device.The system can be widely applied in biochemical reaction technical field.
Detailed description of the invention
Fig. 1 is the overall structure diagram of monitoring system of the present invention；
Fig. 2 is the structural schematic diagram of anaerobic digestion circulation loop system in monitoring system of the present invention；
Fig. 3 is the structural schematic diagram of on-Line Monitor Device in monitoring system of the present invention.
Specific embodiment
Come to carry out detailed description to the present invention below in conjunction with attached drawing.It should be appreciated, however, that attached drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.In the description of the present invention, it is to be understood that,
Term " first ", " second " etc. are only used for the purpose of description, are not understood to indicate or imply relative importance.
As shown in Figure 1, anaerobic digestion process on-line monitoring system provided by the invention includes bracket 1, anaerobic digestion reaction
Device 2, motor 3, agitating shaft 4, anaerobic digestion circulation loop system 5, on-Line Monitor Device 6, circulating heater 7, the first temperature
Sensor 8 and control system 9, wherein double-layered water bath insulating layer is provided in anaerobic digestion reaction vessel 2.
1 bottom of bracket is provided with universal wheel 101, and anaerobic digestion reaction vessel 2 is provided on bracket 1.Anaerobic digestion reaction vessel 2
Top is provided with motor 3, and agitating shaft 4 is vertically arranged in anaerobic digestion reaction vessel 2, motor 3 is fixedly connected at the top of agitating shaft 4
Output end, 4 bottom of agitating shaft are provided with stirring blade 401.Feed inlet 201 and gas are offered at the top of anaerobic digestion reaction vessel 2
Collection port 202,2 bottom of anaerobic digestion reaction vessel offer discharge port 203, and the discharge port 203 of anaerobic digestion reaction vessel 2 passes through spiral shell
Stopcock door 204 connects on-Line Monitor Device 6 through anaerobic digestion circulation loop system 5, and anaerobic digestion circulation loop system 5 is by anaerobism
Fermentation liquid in digestion reactor 2 is transmitted to on-Line Monitor Device 6, and on-Line Monitor Device 6 is anti-for real-time monitoring anaerobic digestion
Answer the spectral information of fermentation liquid in device 2.Top water outlet 205 at the double-layered water bath insulating layer of anaerobic digestion reaction vessel 2 is under
Portion's water inlet 206 is connected to circulating heater 7 by rubber hose 207 respectively, and circulating heater 7 is used for anaerobic digestion
Fermentation liquid in reactor 2 carries out circulating-heating.It is also plugged in anaerobic digestion reaction vessel 2 and fixes the first temperature sensor 8, be used for
The temperature of fermentation liquid in anaerobic digestion reaction vessel 2 is acquired in real time.
Motor 3, anaerobic digestion circulation loop system 5 and the first temperature sensor 8 are also electrically connected control system 9.
As shown in Fig. 2, anaerobic digestion circulation loop system 5 include the 501, first~the 8th valve 502 of y-type filter~
509, fluid reservoir 510, air filter 511 and blower 512, wherein the first~the 8th valve 502~509 is all made of manual ball
Valve, each pipeline in anaerobic digestion circulation loop system 5 are all made of stainless steel material.The discharge port 203 of anaerobic digestion reaction vessel 2
The outlet of the second valve 503, third valve 504 are connected in parallel through the first valve 502 by spiral valve 204 and y-type filter 501
Outlet, 6 import of 505 import of the 4th valve and on-Line Monitor Device, 503 import of the second valve connect external water source, the 4th valve
505 outlet is sample tap 513, and the outlet of on-Line Monitor Device 6 connection 510 import of fluid reservoir, the outlet of fluid reservoir 510 passes through the 5th
Valve 506 is connected in parallel air filter 511 and blower 512, and the entrance of air filter 511 is additionally provided with the 6th valve
507.504 import of third valve is connected in parallel the 8th valve 509 and blower 512 by the 7th valve 508.
As shown in figure 3, on-Line Monitor Device 6 includes the fixed device of the fixed device 602, second of polyformaldehyde mechanism 601, first
603, reflecting plate 604, the first quartz glass 605, the second quartz glass 606 and near infrared spectrometer 607, wherein poly- first
Aldehyde mechanism 601 includes upper polyformaldehyde mechanism 608 and lower polyformaldehyde mechanism 609, upper polyformaldehyde mechanism 608 and lower polyformaldehyde mechanism
609 include the first polyformaldehyde plate 610 and the second polyformaldehyde plate 611, and every one first polyformaldehyde plate 610 is all made of center and offers
The plate structure of through-hole, every one second polyformaldehyde plate 611 are all made of cylindrical structure.
Every one first polyformaldehyde plate, 610 center passes through bolt 612 respectively and is fixedly connected with corresponding second polyformaldehyde plate 611 composition
Polyformaldehyde mechanism 608 and lower polyformaldehyde mechanism 609 in correspondence, upper polyformaldehyde mechanism 608 is fixed by bolt (not shown)
It connects lower polyformaldehyde mechanism 609 and constitutes polyformaldehyde mechanism 601, and set between upper polyformaldehyde mechanism 608 and lower polyformaldehyde mechanism 609
It is equipped with the channel 613 for circulating for fermentation liquid, 613 both ends of channel are respectively arranged with interface 614, follow for connecting anaerobic digestion
The pipeline of loop back path system 5.Upper 608 center of polyformaldehyde mechanism, which plugs, fixes the first fixed device 602, lower polyformaldehyde mechanism 609
Center, which plugs, fixes the second fixed device 603.First fixed 602 bottom of device is disposed with reflecting plate 604 and the first quartz
Stone glass 605 is provided near infrared spectrometer 607 in second fixed device 603, and the top of near infrared spectrometer 607 is provided with
Second quartz glass 606, near infrared spectrometer 607 reflect and for emitting near infrared light and acquiring fermented liquid through reflecting plate
The near infrared light spectrum information of 604 reflection post-fermentation liquid.Ring is provided on first fixed device 602 and the second fixed device 603
Connected in star 615, for facilitating manual operation.Near infrared spectrometer 607 is also electrically connected outer computer, is adopted by computer stored
The spectral information of collection.
In a preferred embodiment, circulating heater 7 includes heating cabinet 701 and control device 702, wherein control
Device 702 processed uses the intelligent control of chip microcontroller temperature.701 side of heating cabinet is fixedly connected with control device 702, heating cabinet
It is provided with heater strip, second temperature sensor, water tank and peristaltic pump in 701, heater strip, the water inlet of water tank are provided in water tank
The water outlet 205 at the double-layered water bath insulating layer of anaerobic digestion reaction vessel 2 is connected, the water outlet of water tank is by peristaltic pump through rubber
Hose connects the water inlet 206 at the double-layered water bath insulating layer of anaerobic digestion reaction vessel 2.Heater strip, second temperature sensor and
Peristaltic pump is electrically connected control device 702, and control device 702 is used for according to predetermined temperature and second temperature sensor
The water the temperature inside the box acquired in real time heats the distilled water in water tank by heater strip.
In a preferred embodiment, control system 9 includes trestle table 901, intermittently or serially sets button 902, wind
Machine button 903, speed regulation knob 904, starting or scram button 905, setting panel 906, display panel 907 and controller.Bracket
Be provided on platform 901 intermittently or serially set button 902, blower button 903, speed regulation knob 904, starting or scram button 905,
Panel 906, display panel 907 and controller are set.Controller is electrically connected motor 3, blower 512, the first temperature sensor
8, button 902, blower button 903, speed regulation knob 904, starting or scram button 905, setting panel 906 are intermittently or serially set
With display panel 907, controller is used to preset the different time interval of motor 3 by the way that panel 906 is arranged；For according to pre-
The different time interval of the motor 3 first set, intermittent condition or the company of motor 3 are controlled by intermittently or serially setting button 902
Continuous state；For controlling opening or closing for blower by blower button 903；Motor 3 and blower are controlled by speed regulation knob 904
Revolving speed；For controlled by starting or scram button 905 each electrical component of the present invention (except circulating heater 7) starting or
Stop；And it is sent out in the anaerobic digestion reaction vessel 2 for being acquired by 907 the first temperature sensor of real-time display 8 of display panel
The temperature information of zymotic fluid.
In a preferred embodiment, anaerobic digestion reaction vessel 2 uses borosilicate glass material, convenient for observation anaerobic digestion
Reactiveness in reactor 2.
In a preferred embodiment, 4 bottom symmetrical of agitating shaft is provided with two stirring blades 401, anaerobism can be made to disappear
The fermentation liquid changed in reactor 2 is spatially uniformly distributed.
Below by the use process of specific embodiment the present invention will be described in detail anaerobic digestion process on-line monitoring system:
1) anaerobic digestion raw material is chosen, the rational proportion of raw material is carried out and uniformly mixes.
2) uniformly mixed raw material is added from the feed inlet 201 at 2 top of anaerobic digestion reaction vessel.
3) operating parameter (time interval of 3 intermittent movement of motor) is set by setting panel 906, opened intermittently or serially
Button 902 and speed regulation knob 904 are set, so that motor 3 starts according to preset parameter and the revolving speed of adjusting, it is anti-to anaerobic digestion
Raw material in device 2 is answered to carry out anaerobic digestion, at this point, the first~the 8th valve 502 in anaerobic digestion circulation loop system 5~
509 are turned off.
4) anaerobic digestion circulation loop system 5 is connected into outer fan, opens or closes corresponding valve, while opening wind
Machine 512, by the pipeline vacuum state in anaerobic digestion circulation loop system 5, so that pipeline is in negative pressure state.
5) spiral valve 204 and the first valve 502 are opened, the fermentation liquid after anaerobic digestion flows out anaerobic digestion reaction vessel 2
Bottom discharge port 203 enters the circulation passage of on-Line Monitor Device 6, is believed in real time by near infrared spectrometer 607 fermentation liquid
Breath acquisition, information collected are transmitted in outer computer, to subsequent analysis and management.
6) experimental different requirements, can open the 4th valve 505, in taking for anaerobic digestion circulation loop system 5
The fermentation liquid after anaerobic digestion is taken out at sample mouth 513, is refrigerated to subsequent analysis.
7) fluid reservoir 510 is opened, the extra fermentation liquid after 6 real-time information collection of on-Line Monitor Device can be stored to liquid storage
In tank 510.
8) the first valve 502 is closed, the second valve 503 and fluid reservoir 510 are opened, external water source passes through the second valve 503
Into in on-Line Monitor Device 6 and fluid reservoir 510, on-Line Monitor Device 6 and fluid reservoir 510 are cleaned.
9) after cleaning, the second valve 503 is closed, third valve 504, the 6th valve 507 and the 7th valve 508 is opened, opens
Opening blower button 903 starts blower 512, and the hot wind bloated through blower 512 does anaerobic digestion circulation loop system 5
Dry, the above cleaning and dry purpose are the adverse effects for avoiding the residue of last time experiment from generating next time.
10) all valves after the test, are closed, the biogas residue and biogas liquid in anaerobic digestion reaction vessel 2 is taken out, clean entire system
System.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied, all equivalents and improvement carried out based on the technical solution of the present invention should not exclude
Except protection scope of the present invention.
Claims (10)
1. a kind of anaerobic digestion process on-line monitoring system, which is characterized in that the on-line monitoring system includes anaerobic digestion reaction
Device, anaerobic digestion circulation loop system, on-Line Monitor Device, circulating heater and control system, wherein the anaerobic digestion
Insulating layer is provided in reactor；
Agitation means are provided in the anaerobic digestion reaction vessel；Feed inlet and discharging are offered on the anaerobic digestion reaction vessel
Mouthful, inlet and outlet, the discharging of the anaerobic digestion reaction vessel are offered at the insulating layer of the anaerobic digestion reaction vessel
Mouth passes through the anaerobic digestion circulation loop system and connects the on-Line Monitor Device；The water outlet of the anaerobic digestion reaction vessel
The circulating heater is separately connected with water inlet；
It is provided with motor at the top of the anaerobic digestion reaction vessel, is fixedly connected with the motor output end at the top of the agitation means；
It is also plugged in the anaerobic digestion reaction vessel and is fixed for acquiring of broth temperature in the anaerobic digestion reaction vessel in real time
One temperature sensor；
The motor, anaerobic digestion circulation loop system and the first temperature sensor are also electrically connected the control system.
2. a kind of anaerobic digestion process on-line monitoring system as described in claim 1, which is characterized in that the anaerobic digestion follows
Loop back path system includes y-type filter, fluid reservoir, air filter and blower；
The discharge port of the anaerobic digestion reaction vessel connects the through the first valve in parallel by spiral valve and the y-type filter
Two valve exports, third valve export, the 4th valve inlet and the on-Line Monitor Device import, second valve inlet connect
External water source is connect, the outlet of the 4th valve is sample tap, and the on-Line Monitor Device outlet connects the fluid reservoir import,
The fluid reservoir outlet connects the air filter and blower, the entrance of the air filter by the 5th valve in parallel
It is additionally provided with the 6th valve, the third valve inlet connects the 8th valve and the blower by the 7th valve in parallel.
3. a kind of anaerobic digestion process on-line monitoring system as claimed in claim 2, which is characterized in that the on-line monitoring dress
It sets including polyformaldehyde mechanism, the first fixed device, the second fixed device, reflecting plate, the first quartz glass, the second quartz glass
Glass and near infrared spectrometer；
The polyformaldehyde mechanism is to be fixedly connected with lower polyformaldehyde mechanism by upper polyformaldehyde mechanism to constitute, the upper polyformaldehyde mechanism and
Lower polyformaldehyde mechanism is to be plugged to fix one second polyformaldehyde plate and constitute respectively by one first polyformaldehyde plate center, the upper poly- first
The channel for circulating for fermentation liquid is provided between aldehyde mechanism and lower polyformaldehyde mechanism, the channel both ends are respectively set useful
In the interface for connecting the anaerobic digestion circulation loop system pipeline；
The upper polyformaldehyde mechanism center plugs the fixed described first fixed device, and the lower polyformaldehyde mechanism center plugs fixation
Described second fixed device；Described first fixed bottom of device is disposed with the reflecting plate and the first quartz glass, institute
It states in the second fixed device and is provided with the near infrared spectrometer, second stone is provided with above the near infrared spectrometer
Diamond stone glass.
4. a kind of anaerobic digestion process on-line monitoring system as claimed in claim 3, which is characterized in that the reflecting plate uses
Polytetrafluoroethylene material.
5. a kind of anaerobic digestion process on-line monitoring system as described in claim 1, which is characterized in that the circulating-heating dress
It sets including heating cabinet and control device, heater strip, second temperature sensor, water tank and peristaltic pump is provided in the heating cabinet；
The heater strip is provided in the water tank, the water inlet of the water tank connects the insulating layer of the anaerobic digestion reaction vessel
The water outlet at place, the water outlet of the water tank connected by the peristaltic pump at the insulating layer of the anaerobic digestion reaction vessel into
The mouth of a river；The control device is electrically connected the heater strip, second temperature sensor and peristaltic pump, and the control device is used for
Pass through the heater strip according to described water the temperature inside the box that predetermined temperature and the second temperature sensor acquire in real time
Water in the water tank is heated.
6. a kind of anaerobic digestion process on-line monitoring system as described in claim 1, which is characterized in that the on-line monitoring system
It further include bracket, the frame bottom is provided with universal wheel, and the anaerobic digestion reaction vessel is provided on the bracket.
7. a kind of anaerobic digestion process on-line monitoring system as claimed in claim 3, which is characterized in that the control system packet
It includes and intermittently or serially sets button, blower button, speed regulation knob, starting or scram button, setting panel, display panel and control
Device；
The controller is electrically connected the motor, blower, the first temperature sensor, intermittently or serially sets button, blower
Button, speed regulation knob, starting or scram button, setting panel and display panel；
The controller is used to preset the different time interval of the motor by the setting panel；For according in advance
The different time interval of the motor of setting controls the intermittent condition of the motor by the intermittently or serially setting button
Or continuous state；For controlling opening or closing for the blower by the blower button；For passing through the speed regulation knob
Control the revolving speed of the motor and blower；For controlling the starting of each electrical component by the starting or scram button or stopping
Only；And the anaerobic digestion reaction vessel for being acquired by the first temperature sensor described in the display panel real-time display
The temperature information of interior fermentation liquid.
8. a kind of anaerobic digestion process on-line monitoring system as described in any one of claim 1 to 7, which is characterized in that described
Anaerobic digestion reaction vessel uses borosilicate glass material, is provided with double-layered water bath insulating layer in the anaerobic digestion reaction vessel.
9. a kind of anaerobic digestion process on-line monitoring system as described in any one of claim 1 to 7, which is characterized in that described
Gas collection mouth is offered on anaerobic digestion reaction vessel.
10. a kind of anaerobic digestion process on-line monitoring system as described in any one of claim 1 to 7, which is characterized in that described
Agitation means include agitating shaft, and the top of the agitating shaft connects the output end of the motor, the bottom symmetrical of the agitating shaft
It is provided with two stirring blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068308.4A CN109136083B (en) | 2018-09-13 | 2018-09-13 | Anaerobic digestion process on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068308.4A CN109136083B (en) | 2018-09-13 | 2018-09-13 | Anaerobic digestion process on-line monitoring system |
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| CN110437984A (en) * | 2019-08-15 | 2019-11-12 | 淮阴师范学院 | Extraction element is used in the experiment of high activity methyl coenzyme M reductase in a kind of methanogen |
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