CN207215791U - anaerobic fermentation gas evaluation device - Google Patents
anaerobic fermentation gas evaluation device Download PDFInfo
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- CN207215791U CN207215791U CN201721206506.3U CN201721206506U CN207215791U CN 207215791 U CN207215791 U CN 207215791U CN 201721206506 U CN201721206506 U CN 201721206506U CN 207215791 U CN207215791 U CN 207215791U
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Abstract
A kind of anaerobic fermentation gas evaluation device is the utility model is related to, belongs to field of gas detection.The device includes anaerobic jar, data acquisition board, top cover, bleeding point, valve, aspiration pump, exhaust pipe, anaerobism end data module and PC end data modules；Anaerobic jar is used to place sample, and top is used for sealed sample provided with top cover；Data acquisition board is arranged inside of top cover, and for gathering the status data of sample, data acquisition board is provided with ammonia gas sensor, humiture and baroceptor and MCU；And sent by anaerobism end data module to PC end data modules.Gas probe is arranged on fermentation inside by the utility model, solves the problems, such as to influence anaerobic fermentation environmental condition in gas detection process, while continuous, the real-time detection gas concentration of energy, the change procedure of discharge capacity, it is ensured that the continuity and validity of experimental result.
Description
Technical field
The utility model belongs to field of gas detection, is related to a kind of anaerobic fermentation gas evaluation device.
Background technology
Caused exhaust gas composition in the fermentation process of microorganism, represent the material situation of change in fermentation process.Especially
It is the gas discharge characteristics such as caused ammonia, hydrogen sulfide in fermentation process, the composition regulation in agriculture excrement composting, anaerobism is sent out
The technical combinations optimization of ferment and the efficient utilization and the depollution of environment of the fermentation energy have great importance.
The gas detection equipment of existing market, it is mainly used under the aerobic or micro- oxygen environment of open either semi open model
Eudiometry, and the tail gas on-line checking research and development for anaerobic fermentation are fresh few, because anaerobic fermentation has necessarily for yeasting
Requirement, therefore, design a kind of tail gas online detection instrument of suitable anaerobic fermentation, discharged for the gas of anaerobic fermentation process
The research of feature has great importance.
The country mainly has for the assay method of anaerobic fermentation gas：Chu Lili etc., for research different ratio pig manure, wheat
Stalk hybrid anaerobic fermentation term feature, it is autonomous be provided with can constant-temperature anaerobic fermentation device, by installation for fermenting, gas collecting apparatus and control
The warm part of device 3 composition, eudiometry are collected using pumping, and supporting associated gas sensing equipment is analyzed.
Liu Yi is isolated and purified with term effect disquisition in methane backeria, and methane backeria is divided in material anaerobic fermentation gas production measure
In analysis, gas collection is carried out using hydrostatic(al) process, the measure that gas is carried out according to the chemical absorption method of national standard is analyzed.
The Exhaust measurement of present anaerobic fermentation, mainly by the way of being manually evacuated, the gas in fermentation is extracted out, carried out
Chemical analysis determines, and this mode is insufficient in the presence of being evacuated, and gas gas production can lose during extraction, causes to determine number
According to having differences property, simultaneously because air suction mode can influence the environmental index changes such as temperature in yeasting, humidity, destroy close
Reaction environment condition is closed, so as to influence the progress in anaerobic fermentation later stage, therefore most of fermentation gas determination experiment needs to set
Multiple parallel reaction samples, for the detection of stage, so not only experimental work amount is big, and the individual difference between each sample
Different in nature big, data analysis difficulty is big.
At present, the not no detection device on anaerobic fermentation tail gas, existing anaerobic fermentation tail gas technology, still using artificial
The mode of pumping, experiments supporting room chemical analysis or gas apparatus detection are carried out, and this mode can influence the ring of fermenting experiment
Border condition, it is unfavorable for the tail gas observation detection of chronicity fermentation.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of anaerobic fermentation gas evaluation device, can strictly control
The ambient parameter of anaerobic fermentation, while anaerobic fermentation environmental condition can not be influenceed, gas in real-time continuous detection anaerobic fermentation process
Concentration, the discharge capacity of body, gas detection reach 0.1ppm using sensing probe sensing, detection accuracy, precisely sensitive can determine
Minimum gas is produced in fermentation, and detailed gas data basic condition is provided for anaerobic bacteria or fermenting experiment metabolic analysis.
To reach above-mentioned purpose, the utility model provides following technical scheme：
Anaerobic fermentation gas evaluation device, the device include anaerobic jar (1), data acquisition board (2), top cover (3), anaerobism end
Data module (8), PC end datas module (9)；
The anaerobic jar (1) is used to place sample, and top is used for sealed sample provided with top cover (3)；The data acquisition board
(2) it is arranged on the inside of top cover (3), is sent for gathering the status data of sample, and by anaerobism end data module (8) to PC ends
Data module (9).
Further, described device also includes bleeding point (4), valve (5), aspiration pump (6) and exhaust pipe (7)；
The bleeding point (4) is arranged on top cover (3), is connected by exhaust pipe (7) with aspiration pump (6), the pumping
Pump (6) is used for the negative pressure for extracting anaerobic jar (1) interior certain value, and the exhaust pipe (7) is provided with valve (5), controls exhaust tube
The opening and closing on road (7).
Further, the data acquisition board (2) is provided with ammonia gas sensor, humiture and baroceptor and micro-control
Unit (Microcontroller Unit, MCU) processed；
The data receiver pin RXD2 and MCU of the ammonia gas sensor data receiver pin RXD2 are connected, ammonia sensing
The data of device send pin TXD2 and are connected with MCU Data Data transmission pin TXD2, while ammonia gas sensor is grounded；
The data wire SDA and MCU of the humiture and baroceptor data wire SDA are connected, humiture and air pressure transmission
The clock cable SCL and MCU of sensor clock cable SCL are connected, while humiture and baroceptor ground connection；
Meanwhile the MCU connects power supply and ground connection.
Further, the anaerobism end data module (8) is in data acquisition board (2), the anaerobism end data module (8)
It is wireless transport module or wire transmission module with PC end datas module (9)；
The data receiver pin RXD1 and MCU of the anaerobism end data module (8) data receiver pin RXD1 are connected, and detest
The data of oxygen end data module (8) send pin TXD1 and are connected with MCU Data Data transmission pin TXD1, while anaerobism end number
It is grounded according to module (8).
The beneficial effects of the utility model are：Gas probe is arranged on fermentation inside by the utility model, solves gas
The problem of physical examination influences anaerobic fermentation environmental condition during surveying, while the change of energy continuous, real-time detection gas concentration, discharge capacity
Change process, it is ensured that the continuity and validity of experimental result.The environmental control system and gas of the anaerobic fermentation conditions of coordinative composition of equipments
Body testing and analysis system, while strictly control anaerobic fermentation environment, gas detection data is analyzed and processed in time, are effectively evaded
The resultant error of manual operation.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing illustrates：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model device circuit total figure；
Fig. 3 is MCU circuit diagrams.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in figure 1, anaerobic fermentation gas evaluation device, including anaerobic jar 1, data acquisition board 2, top cover 3, bleeding point 4,
Valve 5, aspiration pump 6, exhaust pipe 7, anaerobism end data module 8, PC end datas module 9；
Anaerobic jar 1 is used to place sample, and top is used for sealed sample provided with top cover 3；Data acquisition board 2 is arranged at top cover 3
Inner side, sent for gathering the status data of sample, and by anaerobism end data module 8 to PC end datas module 9.
Bleeding point 4 is arranged on top cover 3, is connected by exhaust pipe 7 with aspiration pump 6, and aspiration pump 6 is used to extract anaerobic jar
The negative pressure of certain value in 1, exhaust pipe 7 are provided with valve 5, control the opening and closing of exhaust pipe 7.
Anaerobism end data module 8 and PC end datas module 9 are wireless transport module；Anaerobism end data module 8 be monolithic without
Line transceiver chip NRF24L01, in data acquisition board 2；
As shown in Fig. 2 data acquisition board be provided with ammonia gas sensor, humiture and baroceptor (TPH sensors), with
And micro-control unit (Microcontroller Unit, MCU)；Fig. 3 is MCU circuit diagrams.
The data receiver pin RXD2 and MCU of ammonia gas sensor data receiver pin RXD2 are connected, ammonia gas sensor
Data send pin TXD2 and are connected with MCU Data Data transmission pin TXD2, while ammonia gas sensor is grounded；
The data wire SDA and MCU of humiture and baroceptor data wire SDA are connected, humiture and baroceptor
Clock cable SCL be connected with MCU clock cable SCL, while humiture and baroceptor ground connection；
Meanwhile MCU connects power supply and ground connection.
The data receiver pin RXD1 and MCU of monolithic wireless transceiver chip data receiver pin RXD1 are connected, monolithic
The data of wireless transceiver chip send pin TXD1 and are connected with MCU Data Data transmission pin TXD1, while monolithic is wireless
Transponder chip is grounded.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model has been described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The scope of restriction.
Claims (4)
1. anaerobic fermentation gas evaluation device, it is characterised in that：The device includes anaerobic jar (1), data acquisition board (2), top cover
(3), anaerobism end data module (8) and PC end datas module (9)；
The anaerobic jar (1) is used to place sample, and top is used for sealed sample provided with top cover (3)；The data acquisition board (2) sets
It is placed on the inside of top cover (3), is sent for gathering the status data of sample, and by anaerobism end data module (8) to PC end datas
Module (9).
2. anaerobic fermentation gas evaluation device according to claim 1, it is characterised in that：Described device also includes bleeding point
(4), valve (5), aspiration pump (6) and exhaust pipe (7)；
The bleeding point (4) is arranged on top cover (3), is connected by exhaust pipe (7) with aspiration pump (6), the aspiration pump (6)
For extracting the negative pressure of anaerobic jar (1) interior certain value, the exhaust pipe (7) is provided with valve (5), control exhaust pipe (7)
Opening and closing.
3. anaerobic fermentation gas evaluation device according to claim 1 or 2, it is characterised in that：The data acquisition board (2)
It is provided with ammonia gas sensor, humiture and baroceptor and micro-control unit (Microcontroller Unit, MCU)；
The data receiver pin RXD2 and MCU of the ammonia gas sensor data receiver pin RXD2 are connected, ammonia gas sensor
Data send pin TXD2 and are connected with MCU Data Data transmission pin TXD2, while ammonia gas sensor is grounded；
The data wire SDA and MCU of the humiture and baroceptor data wire SDA are connected, humiture and baroceptor
Clock cable SCL be connected with MCU clock cable SCL, while humiture and baroceptor ground connection；
Meanwhile the MCU connects power supply and ground connection.
4. anaerobic fermentation gas evaluation device according to claim 3, it is characterised in that：The anaerobism end data module
(8) in the data acquisition board (2), the anaerobism end data module (8) and PC end datas module (9) be wireless transport module or
Wire transmission module；
The data receiver pin RXD1 and MCU of the anaerobism end data module (8) data receiver pin RXD1 are connected, anaerobism end
The data of data module (8) send pin TXD1 and are connected with MCU Data Data transmission pin TXD1, while anaerobism end data mould
Block (8) is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206506.3U CN207215791U (en) | 2017-09-19 | 2017-09-19 | anaerobic fermentation gas evaluation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206506.3U CN207215791U (en) | 2017-09-19 | 2017-09-19 | anaerobic fermentation gas evaluation device |
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| Publication Number | Publication Date |
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| CN207215791U true CN207215791U (en) | 2018-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505434A (en) * | 2017-09-19 | 2017-12-22 | 重庆市畜牧科学院 | anaerobic fermentation gas evaluation device and method |
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2017
- 2017-09-19 CN CN201721206506.3U patent/CN207215791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505434A (en) * | 2017-09-19 | 2017-12-22 | 重庆市畜牧科学院 | anaerobic fermentation gas evaluation device and method |
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