CN104833611A - Collecting device for greenhouse gas released by excrement composting treatment unit and sampling method - Google Patents
Collecting device for greenhouse gas released by excrement composting treatment unit and sampling method Download PDFInfo
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- CN104833611A CN104833611A CN201510233434.0A CN201510233434A CN104833611A CN 104833611 A CN104833611 A CN 104833611A CN 201510233434 A CN201510233434 A CN 201510233434A CN 104833611 A CN104833611 A CN 104833611A
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Abstract
The invention discloses a collecting device for greenhouse gas released by an excrement composting treatment unit and a sampling method. The collecting device comprises a fermentation shed, a ventilating pipe, an adjustable fan and sampling instruments, wherein the top end of the fermentation shed is connected with the ventilating pipe; the tail end of the ventilating pipe is provided with the adjustable fan; the bottom of the fermentation shed is provided with an air inlet sampling point; the tail end of the ventilating pipe is provided with an air outlet sampling point; and the air inlet sampling point and the air outlet sampling point are provided with the sampling instruments. A framework of the fermentation shed of the collecting device can be independently dismounted and moved to realize length regulation, so that the sizes of different cones can be adapted; the top end of the fermentation shed is connected with the ventilating pipe, and the ventilating pipe is connected with the adjustable fan, so that the ventilation quantity is regulated as required, and external air enters from the bottom of the fermentation shed and flows out from the upper part of the fermentation shed; and the concentrations of greenhouse gases at an air inlet and an air outlet of the whole cone are monitored on line in real time by utilizing the multi-point sampling instruments and a plurality of gas monitors, so that the result is accurate.
Description
Technical field
The invention belongs to night soil-treatment field, particularly relate to a kind of excrement composting processing unit release collection device of greenhouse and the method for sampling.
Background technology
Excrement composting greenhouse gas emission adopts static chamber technology mostly, static chamber technology is owing to being subject to the impact of heap temperature, cause result difference larger, and general dynamic box technology is owing to only covering the subregion of heap surface, also zones of different gas emissions can be caused to there are differences, cause result to occur comparatively big error.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of excrement composting processing unit to discharge collection device of greenhouse and the method for sampling, is intended to solve the problem that the resultant error of current excrement composting processing unit release greenhouse gases acquisition method is larger.
The present invention is achieved in that a kind of excrement composting processing unit release collection device of greenhouse comprises fermentation canopy, ventilation duct, adjustable fan, sampling instrument; The top of described fermentation canopy connects ventilation duct, ventilation duct end is provided with adjustable fan, be provided with air intake opening sampled point bottom described fermentation canopy, described snorkel end is provided with exhausr port sampled point, is provided with sampling instrument at air intake opening sampled point and exhausr port sampled point.
Further, the framework forming described fermentation canopy can be dismantled separately and move, and adapts to different heap body with the length changing fermentation canopy.
A kind of excrement composting processing unit release greenhouse gases method of sampling comprises:
Step one, ight soil is required to mix with sawdust, stalk and auxiliary material and to pile up according to fermentation condition;
Step 2, the size of framed structure according to the size adjustment fermentation canopy of heap body, ensure that fermentation canopy can cover heap body completely;
Step 3, the adjustable fan of adjustable air volume is utilized to ventilate, carry out the setting of ventilation as required, the bottom of fermentation canopy is as air intake opening, top is as exhausr port, the gas of sampling instrument to air intake opening sampled point and exhausr port sampled point is used to sample, the gas gathered is delivered to optoacoustic spectroscopy gas monitoring instrument and carries out greenhouse gas concentration analysis, once, the concentration difference of the gas detected according to air intake opening and exhausr port and ventilation are calculated as follows heap body temperature room gas purging amount in measurement per hour:
E
gas＝(C
outlet-C
inlet)*V
In formula, E
gasfor various gas purging amount, unit is mg/h; C
outletfor the various gas concentration of exhausr port, unit is mg/m
3; C
inletfor the various gas concentration of air intake opening, unit is mg/m
3; V is ventilation, and unit is m
3/ h.
Further, the greenhouse gases of detection comprise methane, nitrous oxide and carbon dioxide.
The framework of the fermentation canopy of excrement composting processing unit release collection device of greenhouse of the present invention can dismantle separately and move to regulate length to adapt to different heap body sizes, the top of fermentation canopy connects ventilation duct, ventilation duct connects adjustable fan, regulate ventilation as requested, extraneous air enters bottom fermentation canopy, flow out from top, utilize multi-point sampling instrument and many gas monitoring instruments to realize the air intake opening of the whole heap body of on-line real time monitoring and the concentration of gas outlet greenhouse gases, result is accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the excrement composting processing unit release collection device of greenhouse that the embodiment of the present invention provides;
Fig. 2 is the excrement composting processing unit release greenhouse gases method of sampling process flow diagram that the embodiment of the present invention provides;
In figure: 1, ferment canopy; 2, ventilation duct; 3, adjustable fan; 4, air intake opening sampled point; 5, body is piled; 6, gas outlet sampled point.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
Fig. 1 shows the structure of excrement composting processing unit of the present invention release collection device of greenhouse, as shown in the figure, the present invention is achieved in that a kind of excrement composting processing unit release collection device of greenhouse comprises fermentation canopy 1, ventilation duct 2, adjustable fan 3, sampling instrument; The top of described fermentation canopy 1 connects ventilation duct 2, ventilation duct 2 end is provided with adjustable fan 3, be provided with air intake opening sampled point 4 bottom described fermentation canopy 1, described snorkel 2 end is provided with exhausr port sampled point 6, is provided with sampling instrument at air intake opening sampled point 4 and exhausr port sampled point 6.
Further, the framework forming described fermentation canopy can be dismantled separately and move, and adapts to different heap body 5 with the length changing fermentation canopy.
As shown in Figure 2, a kind of excrement composting processing unit release greenhouse gases method of sampling comprises:
S101, ight soil is required to mix with sawdust, stalk and auxiliary material and to pile up according to fermentation condition;
S102, the size of framed structure according to the size adjustment fermentation canopy of heap body, ensure that fermentation canopy can cover heap body completely;
S103, the adjustable fan of adjustable air volume is utilized to ventilate, carry out the setting of ventilation as required, the bottom of fermentation canopy is as air intake opening, top is as exhausr port, the gas of INNOVA 1309 multi-point sampling instrument to air intake opening sampled point and exhausr port sampled point is used to sample, the gas gathered is delivered to INNOVA1412 optoacoustic spectroscopy gas monitoring instrument and carries out greenhouse gas concentration analysis, once, the concentration difference of the gas detected according to air intake opening and exhausr port and ventilation calculate heap body temperature room gas purging amount in measurement per hour.
Exhaust air rate computing formula is:
E
gas＝(C
outlet-C
inlet)*V
In formula, E
gasfor various gas purging amount, unit is mg/h; C
outletfor the various gas concentration of exhausr port, unit is mg/m
3; C
inletfor the various gas concentration of air intake opening, unit is mg/m
3; V is ventilation, and unit is m
3/ h.
Further, the greenhouse gases of detection comprise methane, nitrous oxide and carbon dioxide.
The framework of the fermentation canopy 1 of excrement composting processing unit release collection device of greenhouse of the present invention can dismantle separately and move to regulate length to adapt to different heap body 5 sizes, the top of fermentation canopy 1 connects ventilation duct 2, ventilation duct 2 connects adjustable fan 3, regulate ventilation as requested, extraneous air enters bottom fermentation canopy 1, flow out from top, utilize multi-point sampling instrument and many gas monitoring instruments to realize the air intake opening of the whole heap body 5 of on-line real time monitoring and the concentration of gas outlet greenhouse gases, result is accurate.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. an excrement composting processing unit release collection device of greenhouse, is characterized in that, described excrement composting processing unit release collection device of greenhouse comprises fermentation canopy, ventilation duct, adjustable fan, sampling instrument; The top of described fermentation canopy connects ventilation duct, ventilation duct end is provided with adjustable fan, be provided with air intake opening sampled point bottom described fermentation canopy, described snorkel end is provided with exhausr port sampled point, is provided with sampling instrument at air intake opening sampled point and exhausr port sampled point.
2. excrement composting processing unit release collection device of greenhouse as claimed in claim 1, it is characterized in that, the framework forming described fermentation canopy can be dismantled separately and move, and adapts to different heap body with the length changing fermentation canopy.
3. an excrement composting processing unit release greenhouse gases method of sampling, is characterized in that, the described excrement composting processing unit release greenhouse gases method of sampling comprises:
Step one, ight soil is required to mix with sawdust, stalk and auxiliary material and to pile up according to fermentation condition;
Step 2, the size of framed structure according to the size adjustment fermentation canopy of heap body, ensure that fermentation canopy can cover heap body completely;
Step 3, the adjustable fan of adjustable air volume is utilized to ventilate, carry out the setting of ventilation as required, the bottom of fermentation canopy is as air intake opening, top is as exhausr port, the gas of sampling instrument to air intake opening sampled point and exhausr port sampled point is used to sample, the gas gathered is delivered to optoacoustic spectroscopy gas monitoring instrument and carries out greenhouse gas concentration analysis, once, the concentration difference of the gas detected according to air intake opening and exhausr port and ventilation are calculated as follows heap body temperature room gas purging amount in measurement per hour:
E
gas＝(C
outlet-C
inlet)*V
In formula, E
gasfor various gas purging amount, unit is mg/h; C
outletfor the various gas concentration of exhausr port, unit is mg/m
3; C
inletfor the various gas concentration of air intake opening, unit is mg/m
3; V is ventilation, and unit is m
3/ h.
4. the excrement composting processing unit release greenhouse gases method of sampling as claimed in claim 3, it is characterized in that, the greenhouse gases of detection comprise methane, nitrous oxide and carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233434.0A CN104833611A (en) | 2015-05-11 | 2015-05-11 | Collecting device for greenhouse gas released by excrement composting treatment unit and sampling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233434.0A CN104833611A (en) | 2015-05-11 | 2015-05-11 | Collecting device for greenhouse gas released by excrement composting treatment unit and sampling method |
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| CN104833611A true CN104833611A (en) | 2015-08-12 |
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|---|---|---|---|
| CN201510233434.0A Pending CN104833611A (en) | 2015-05-11 | 2015-05-11 | Collecting device for greenhouse gas released by excrement composting treatment unit and sampling method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571910A (en) * | 2015-12-11 | 2016-05-11 | 中国科学院东北地理与农业生态研究所 | Device for collecting greenhouse gas of wetland soil in freezing-thawing period and method for collecting gas by virtue of device |
| CN106123951A (en) * | 2016-06-14 | 2016-11-16 | 中国农业大学 | A kind of film covers aerobic compost dual-purpose type gas, pressure monitoring device |
| CN110312903A (en) * | 2017-02-24 | 2019-10-08 | 开利公司 | Methane security system for transport refrigeration unit |
| CN111233538A (en) * | 2020-01-15 | 2020-06-05 | 中国环境科学研究院 | Movable telescopic garbage static compost treatment system |
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| CN2609925Y (en) * | 2003-04-02 | 2004-04-07 | 董红敏 | Closed compost fermentation device |
| JP2005067918A (en) * | 2003-08-28 | 2005-03-17 | Furukawa Co Ltd | Compost production apparatus |
| CN201704224U (en) * | 2010-05-26 | 2011-01-12 | 孙学忠 | Compost system |
| CN203224388U (en) * | 2013-05-24 | 2013-10-02 | 河南农业大学 | Static box for measuring animal waste greenhouse gas emission rate |
| CN203838138U (en) * | 2014-02-28 | 2014-09-17 | 中国农业科学院农业环境与可持续发展研究所 | Box for dynamically measuring and managing gas emission of livestock waste |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609925Y (en) * | 2003-04-02 | 2004-04-07 | 董红敏 | Closed compost fermentation device |
| JP2005067918A (en) * | 2003-08-28 | 2005-03-17 | Furukawa Co Ltd | Compost production apparatus |
| CN201704224U (en) * | 2010-05-26 | 2011-01-12 | 孙学忠 | Compost system |
| CN203224388U (en) * | 2013-05-24 | 2013-10-02 | 河南农业大学 | Static box for measuring animal waste greenhouse gas emission rate |
| CN203838138U (en) * | 2014-02-28 | 2014-09-17 | 中国农业科学院农业环境与可持续发展研究所 | Box for dynamically measuring and managing gas emission of livestock waste |
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| YASUYUKI FUKUMOTO 等: ""Patterns and quantities of NH3, N2O and CH4 emissions during swine manure composting without forced aeration——effect of compost pile scale"", 《BIORESOURCE TECHNOLOGY》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571910A (en) * | 2015-12-11 | 2016-05-11 | 中国科学院东北地理与农业生态研究所 | Device for collecting greenhouse gas of wetland soil in freezing-thawing period and method for collecting gas by virtue of device |
| CN106123951A (en) * | 2016-06-14 | 2016-11-16 | 中国农业大学 | A kind of film covers aerobic compost dual-purpose type gas, pressure monitoring device |
| CN106123951B (en) * | 2016-06-14 | 2018-11-30 | 中国农业大学 | A kind of film covering aerobic compost dual-purpose type gas, pressure monitoring device |
| CN110312903A (en) * | 2017-02-24 | 2019-10-08 | 开利公司 | Methane security system for transport refrigeration unit |
| US11268472B2 (en) | 2017-02-24 | 2022-03-08 | Carrier Corporation | Methane safety systems for transport refrigeration units |
| CN111233538A (en) * | 2020-01-15 | 2020-06-05 | 中国环境科学研究院 | Movable telescopic garbage static compost treatment system |
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Application publication date: 20150812 |
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