CN203741236U - Oxygen concentration real-time monitoring system for aerobic compositing reactor - Google Patents
Oxygen concentration real-time monitoring system for aerobic compositing reactor Download PDFInfo
- Publication number
- CN203741236U CN203741236U CN201420119689.5U CN201420119689U CN203741236U CN 203741236 U CN203741236 U CN 203741236U CN 201420119689 U CN201420119689 U CN 201420119689U CN 203741236 U CN203741236 U CN 203741236U
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- China
- Prior art keywords
- oxygen concentration
- real
- concentration sensor
- monitoring system
- time monitoring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 239000001301 oxygen Substances 0.000 title claims abstract description 89
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 89
- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 239000002361 compost Substances 0.000 claims description 35
- 239000011148 porous material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 27
- 238000009423 ventilation Methods 0.000 abstract 6
- 238000001514 detection method Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000009264 composting Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The utility model discloses an oxygen concentration real-time monitoring system for an aerobic compositing reactor. The oxygen concentration real-time monitoring system comprises a ventilation pipe, an oxygen concentration sensor, a micro negative pressure device and a data real-time display and storage terminal, wherein one end of the ventilation pipe is communicated with the micro negative pressure device; a front filter and the oxygen concentration sensor are arranged in the ventilation pipe in sequence in the direction from the opening end of the ventilation pipe to the connecting end of the ventilation pipe and the micro negative pressure device; the front filter and the oxygen concentration sensor both run through the inner pipe of the ventilation pipe, and the oxygen concentration sensor is arranged inside a gas detection hole; the oxygen concentration sensor is electrically connected with a signal converter, and the signal converter is used for converting analog electronic signals acquired by the oxygen concentration sensor into digital signals; the data real-time display and storage terminal comprises a computer, and the computer is electrically connected with the signal converter. According to the oxygen concentration real-time monitoring system disclosed by the utility model, the two stages of filters, namely, the front filter and a rear filter, can effectively prevent high-humidity gas from damaging the oxygen concentration sensor, so that the service life of the sensor is effectively prolonged, and the precision of the sensor is effectively increased.
Description
Technical field
The utility model relates to a kind of aerobic compost reactor oxygen concn real-time monitoring system, belongs to organic solid castoff and disposes and application technology as the second resource field.
Background technology
In recent years, all kinds of organic solid castoff output of China is huge, if not scientific and reasonable utilization in addition not only can cause a large amount of wastes of resource, to environment for human survival and health, also can cause serious threat.Aerobic composting processes that all kinds of organic solid castoffs are innoxious, the main path of minimizing and recycling, its microorganism under the condition of aerobic high temperature is decomposed organic matter makes its mineral, humify become the fertilizer that becomes thoroughly decomposed, in the process of microorganism decomposing organic matter, not only generate available nitrogen, phosphorus, the potassium compound that can be absorbed and used by plants in a large number, and synthesize again new macromolecule organic-soil ulmin, it is the important active substances that forms soil fertility.
In aerobic compost treating processes, heap body oxygen concn is the important factor that affects composting process and composting production quality.Suitable oxygen concn can make compost initial stage temperature rise rapidly, reduces a large amount of generations of foul gas; Shorten the compost cycle, improving product quality simultaneously.Real-time Obtaining composting process oxygen concn data situation, is conducive to control in real time compost operating mode and optimizes composting process.Utilize laboratory aerobic compost reactor systems simulation research compost process parameter change to become the important means that correlative study is carried out in this field, but relevant oxygen concn data real-time monitoring system still still urgently improves in the following areas at present: aerobic compost reactor space, laboratory is often limited, as the zirconia type oxygen concentration sensors of one of two types of current main flow, produce the monitoring analysis that high temperature can affect compost nature process and other related datas during because of work, be therefore not easy to adopt; By contrast, electrochemistry type oxygen concentration sensor is because when work is without larger temperature difference benefit, suitable selecting comparatively, but a large amount of high humidity gases that aerobic composting process produces very easily cause the core probe of Real-time Collection oxygen concn data to lose efficacy, and failure rate is higher; Moreover when without forced draft, in duct, gas fluidity is poor in aerobic compost reactor, the oxygen concn data of obtaining have larger hysteresis error.
Utility model content
The purpose of this utility model is to provide a kind of aerobic compost reactor oxygen concn real-time monitoring system, this system for solve oxygen concn data implement acquisition process core oxygen concentration sensor failure rate high, obtain the problem that data error is larger.Dual stage filter apparatus can effectively guarantee that oxygen concentration sensor moves all the time in control environment, and micro-negative pressure device can effectively be guaranteed the high precision of obtained oxygen concn data.
A kind of aerobic compost reactor oxygen concn real-time monitoring system provided by the utility model comprises that ventpipe, oxygen concentration sensor, micro-negative pressure device and data show and storage terminal in real time;
One end of described ventpipe is connected with described micro-negative pressure device;
In the direction of the coupling end along the opening end of described ventpipe to itself and described micro-negative pressure device, in described ventpipe, be provided with successively fore filter and oxygen concentration sensor; Described fore filter and described oxygen concentration sensor all run through the inner tube of described ventpipe, and described oxygen concentration sensor is arranged in a survey pore;
Described oxygen concentration sensor is electrically connected to signal converter, and the analog electronic signal that described signal converter obtains described oxygen concentration sensor converts numerary signal to;
Described data show in real time and storage terminal comprises a computer, and described computer is electrically connected to described signal converter.
In above-mentioned oxygen concn real-time monitoring system, described ventpipe is the anti-rot plastic pipe with certain wall thickness, is support and the gas transmission structure of whole system; Under the effect of described micro-negative pressure device, in aerobic compost reactor, gas is stable, mobile in described ventpipe slowly, and is responded to by described oxygen concentration sensor at described survey pore place.
In above-mentioned oxygen concn real-time monitoring system, between described oxygen concentration sensor and described micro-negative pressure device, be provided with post-filter, described post-filter runs through the inner tube of described ventpipe, when described micro-negative pressure device fault, described post-filter carries out drying treatment to the gas entering from aerobic compost reactor space outerpace, therefore, described fore filter and described rearmounted two-stage filter can prevent the infringement of high humidity gas to described oxygen concentration sensor effectively, effectively improve working life and the tolerance range of sensor.
In above-mentioned oxygen concn real-time monitoring system, described fore filter and described post-filter be the cylindrical tube for being become by metal net all, and the bottom surface diameter of described cylindrical tube is greater than the internal diameter of described ventpipe and is less than the external diameter of described ventpipe; Built-in siccative in described cylindrical tube; Described fore filter can carry out drying treatment to passing into gas in aerobic compost reactor, described post-filter can when described micro-negative pressure device fault, reactor space outerpace enters gas carry out drying treatment, preposition, rearmounted two-stage filtration apparatus can effectively prevent the infringement of high humidity gas to oxygen concentration sensor, effectively improves working life and the tolerance range of sensor.
In above-mentioned oxygen concn real-time monitoring system, described cylindrical tube seals by a plastic cover.
In above-mentioned oxygen concn real-time monitoring system, described oxygen concentration sensor is electrically connected to described signal converter by signal transmission line.
In above-mentioned oxygen concn real-time monitoring system, described micro-negative pressure device comprises air pump and the sebific duct being connected with described air pump; The gas fluidity of considering aerobic compost reactor inside is poor, what in airproof situation, traditional measured data of oxygen concn real-time acquisition system reflected is the oxygen concn in the inner uncirculated gas of ventpipe, there is larger error, described air pump provides a stable subnormal ambient for whole acquisition system, allow mixed gas to be measured can be stablized, sluggish flow, make institute's Real-time Obtaining oxygen concn data precision higher.
The utility model adopts above technical scheme, and it has the following advantages:
1, the utility model aerobic compost reactor oxygen concn real-time monitoring system can be installed on aerobic compost reactor by this plastics tubing, simple to operation, easy to carry, and whole system compact construction, shared spatial volume are less.
2, preposition, the rearmounted two-stage filter of the utility model aerobic compost reactor oxygen concn real-time monitoring system can effectively prevent the infringement of high humidity gas to oxygen concentration sensor, effectively improves working life and the tolerance range of sensor.
3, the micro-negative pressure device of the utility model aerobic compost reactor oxygen concn real-time monitoring system provides a stable negative pressure for whole acquisition system, when needs are measured, mixed gas to be measured can in ventpipe, be circulated, make gathered oxygen concn data can more accurately react the oxygen concn of aerobic compost reactor inside.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model aerobic compost reactor oxygen concn Monitoring systems.
Fig. 2 is the sectional view of the utility model aerobic compost reactor oxygen concn Monitoring systems.
In Fig. 1, each mark is as follows:
1 ventpipe, 2 fore filters, 3 signal converters, 4 signal transmission lines, 5 oxygen concentration sensors, 6 survey pore, 7 post-filters, 8 micro-negative pressure devices;
In Fig. 2, each mark is as follows:
9 gas communication pipelines, 10,13 sealing covers, 11,14 cylindrical tubes, 12 oxygen concentration sensor sealing covers.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further, but the utility model is not limited to following examples.
As shown in Figure 1, the utility model aerobic compost reactor oxygen concn real-time monitoring system comprises ventpipe 1, fore filter 2, surveys pore 6, oxygen concentration sensor 5, signal converter 3 and signal transmission line 4, post-filter 7, micro-negative pressure device 8 and data demonstration and storage terminal in real time.
As shown in Figure 2, ventpipe 1 is hollow, has the anti-rot plastic pipe of certain wall thickness, is support and the gas transmission structure of whole system.Its one end and aerobic compost reactor material join, and the other end is connected with micro-negative pressure device 8, centre distributing successively the required hole of fore filter 2, survey pore 6 and the required hole of post-filter 7.Under the effect of micro-negative pressure device 8, in aerobic compost reactor heap body, gas is stable, mobile in the gas communication pipeline 9 of ventpipe 1 slowly, and is responded to by oxygen concentration sensor 5 at survey pore 6 places.
As shown in Figure 2, fore filter 2 and post-filter 7 are all cylindrical tubes 11 and 14 of being made by wire netting, its bottom surface diameter and be highly all greater than ventpipe internal diameter and be less than ventpipe external diameter, built-in siccative, put into the hole that matches on ventpipe 1, then load onto plastic cover 10 and 13 and sealed.Survey pore 6 places and place oxygen concentration sensor 5, and sealed by oxygen concentration sensor sealing cover 12, measure oxygen concn in the mixed gas of super-dry.Survey pore 6 places and placing oxygen concentration sensor 5, measure the concentration of oxygen in the mixed gas of super-dry.
As shown in Figure 1, signal converter 3 is electrically connected to oxygen concentration sensor 5 by signal transmission line 4, the gas simulating signal that sensor 5 is sensed is converted to and can be shown in real time and the numerary signal of storage terminal identification with storage by data, and by data line, signal is transferred to data and shows with storage terminal and gather in real time.
In the utility model, micro-negative pressure device 8 mainly consists of air pump and sebific duct, and wherein air pump is for whole acquisition system provides a stable subnormal ambient, allows mixed gas to be measured can be stablized, sluggish flow, makes institute's Real-time Obtaining oxygen concn data precision higher.
Describe using method of the present utility model below in detail.
When the utility model carries out aerobic composting process oxygen concn Real-time Obtaining, can carry out according to following steps:
1) ventpipe of the utility model aerobic compost reactor oxygen concn real-time monitoring system is arranged on the specific position of aerobic compost reactor.
2) each assembling parts of the utility model aerobic compost reactor oxygen concn real-time monitoring system is good, wherein in preposition, post-filter, pack siccative into; In surveying pore, oxygen concentration sensor is installed, and is sealed; Air pump is connected with the tail end of ventpipe by sebific duct, and checks stopping property.
3) after aerobic compost reactor work, if point gathers oxygen concn data between will be at a time, first allow air pump work for some time, pending data shows and tends towards stability, and can obtain data.
4) according to the water ratio of material in aerobic compost reactor and react the residing stage and decide the replacement frequency of siccative.
The utility model aerobic compost reactor oxygen concn real-time monitoring system not only can gather the oxygen concn data in aerobic compost reactor, suitably change the type of gas sensor, also can measure as gas concentrations such as carbonic acid gas, methane, ammonia, hydrogen sulfide, Nitrous Oxides other.
Claims (6)
1. an aerobic compost reactor oxygen concn real-time monitoring system, is characterized in that: described oxygen concn real-time monitoring system comprises that ventpipe, oxygen concentration sensor, micro-negative pressure device and data show and storage terminal in real time;
One end of described ventpipe is connected with described micro-negative pressure device;
In the direction of the coupling end along the opening end of described ventpipe to itself and described micro-negative pressure device, in described ventpipe, be provided with successively fore filter and oxygen concentration sensor; Described fore filter and described oxygen concentration sensor all run through the inner tube of described ventpipe, and described oxygen concentration sensor is arranged in a survey pore;
Described oxygen concentration sensor is electrically connected to signal converter, and the analog electronic signal that described signal converter obtains described oxygen concentration sensor converts numerary signal to;
Described data show in real time and storage terminal comprises a computer, and described computer is electrically connected to described signal converter.
2. oxygen concn real-time monitoring system according to claim 1, is characterized in that: between described oxygen concentration sensor and described micro-negative pressure device, be provided with post-filter, described post-filter runs through the inner tube of described ventpipe.
3. oxygen concn real-time monitoring system according to claim 2, it is characterized in that: described fore filter and described post-filter be the cylindrical tube for being become by metal net all, and the bottom surface diameter of described cylindrical tube is greater than the internal diameter of described ventpipe and is less than the external diameter of described ventpipe.
4. oxygen concn real-time monitoring system according to claim 3, is characterized in that: described cylindrical tube seals by a plastic cover.
5. according to the oxygen concn real-time monitoring system described in any one in claim 1-4, it is characterized in that: described oxygen concentration sensor is electrically connected to described signal converter by signal transmission line.
6. oxygen concn real-time monitoring system according to claim 5, is characterized in that: described micro-negative pressure device comprises air pump and the sebific duct being connected with described air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119689.5U CN203741236U (en) | 2014-03-17 | 2014-03-17 | Oxygen concentration real-time monitoring system for aerobic compositing reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119689.5U CN203741236U (en) | 2014-03-17 | 2014-03-17 | Oxygen concentration real-time monitoring system for aerobic compositing reactor |
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| Publication Number | Publication Date |
|---|---|
| CN203741236U true CN203741236U (en) | 2014-07-30 |
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| CN201420119689.5U Expired - Lifetime CN203741236U (en) | 2014-03-17 | 2014-03-17 | Oxygen concentration real-time monitoring system for aerobic compositing reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106588165A (en) * | 2016-12-20 | 2017-04-26 | 中国农业大学 | Aerobic composting multi-gradient oxygen concentration online monitoring device |
| CN106680432A (en) * | 2016-12-30 | 2017-05-17 | 北京农业智能装备技术研究中心 | Monitoring device for monitoring concentration of oxygen in compost and monitoring method thereof |
| CN106754306A (en) * | 2016-11-23 | 2017-05-31 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of microbial activity detector of agricultural product |
-
2014
- 2014-03-17 CN CN201420119689.5U patent/CN203741236U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106754306A (en) * | 2016-11-23 | 2017-05-31 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of microbial activity detector of agricultural product |
| CN106588165A (en) * | 2016-12-20 | 2017-04-26 | 中国农业大学 | Aerobic composting multi-gradient oxygen concentration online monitoring device |
| CN106680432A (en) * | 2016-12-30 | 2017-05-17 | 北京农业智能装备技术研究中心 | Monitoring device for monitoring concentration of oxygen in compost and monitoring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
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| CX01 | Expiry of patent term |