CN203224388U - Static box for measuring animal waste greenhouse gas emission rate - Google Patents
Static box for measuring animal waste greenhouse gas emission rate Download PDFInfo
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- CN203224388U CN203224388U CN 201320289396 CN201320289396U CN203224388U CN 203224388 U CN203224388 U CN 203224388U CN 201320289396 CN201320289396 CN 201320289396 CN 201320289396 U CN201320289396 U CN 201320289396U CN 203224388 U CN203224388 U CN 203224388U
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- 230000003068 static effect Effects 0.000 title claims abstract description 28
- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 16
- 239000010828 animal waste Substances 0.000 title claims 6
- 238000005259 measurement Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007789 gas Substances 0.000 abstract description 23
- 210000003608 fece Anatomy 0.000 abstract description 15
- 238000005070 sampling Methods 0.000 abstract description 12
- 241001465754 Metazoa Species 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 6
- 239000010871 livestock manure Substances 0.000 description 13
- 230000004907 flux Effects 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 241000283690 Bos taurus Species 0.000 description 3
- 235000015278 beef Nutrition 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
本实用新型公开一种测量动物粪便温室气体排放速率的静态箱，包括箱体和底座，所述的箱体和底座为圆柱形，在箱体内设有风扇，风扇通过风扇安装杆固定在箱体顶板上，风扇电源固定在风扇安装杆上。采用本实用新型的技术方案，箱体为圆柱型，和方型相比，更便于箱内气体的混匀，不易产生死角。风扇电源和温度记录仪均为内置便携式，每个静态箱完全独立，这样采样时不受外界条件和布点距离的限制。本实用新型使用方便，测量气体的准确率高。
The utility model discloses a static box for measuring the greenhouse gas emission rate of animal feces, which comprises a box body and a base, the box body and the base are cylindrical, and a fan is arranged in the box body, and the fan is fixed on the box through a fan installation rod. On the top plate of the body, the fan power supply is fixed on the fan installation rod. Adopting the technical solution of the utility model, the box body is cylindrical, which is more convenient for mixing the gas in the box and less prone to dead angles than the square one. Both the fan power supply and the temperature recorder are built-in and portable, and each static box is completely independent, so that sampling is not limited by external conditions and distribution distance. The utility model is convenient to use and has high gas measuring accuracy.
Description
技术领域 technical field
本发明涉及一种测量动物粪便温室气体排放速率的静态箱，尤其适用于测量畜禽养殖场里堆粪场温室气体排放通量。 The invention relates to a static box for measuring the greenhouse gas emission rate of animal manure, and is especially suitable for measuring the greenhouse gas emission flux of manure piles in livestock and poultry farms.
背景技术 Background technique
目前，测量水体及农田气体排放通量的静态箱已经存在。此类静态箱大部分为方形，包括箱体和底座两个部分，箱体内部的温度测量探头和风扇电源外接到箱外。此外，测量水体气体排放通量的静态箱带有气囊，以保证箱体在水面上处于悬浮状态，并且体积较小。测量农田气体排放通量的静态箱最大特点是静态箱高度随着所要测定的作物种类的改变而改变。因此此类静态箱在应用时是有针对性的。如果将此类静态箱用于动物粪便气体排放通量的测量上，存在一定的弊端。首先，不同物质的气体排放量不同，适宜的静态箱体积及尺寸是准确测量气体排放速率的基础。其次，当有外置线路时，可能会造成箱体密封不严、采样时受到有无外接电源设备的限制。其次，动物粪便的腐蚀性很强，而且需要长时间观测，因此，对箱体，尤其是底座的材料要求比较高。 Currently, static chambers for measuring gas emission fluxes from water bodies and farmland already exist. Most of these static boxes are square, including the box body and the base. The temperature measurement probe inside the box and the fan power supply are externally connected to the outside of the box. In addition, the static box for measuring the gas discharge flux of the water body has an air bag to ensure that the box is suspended on the water surface and has a small volume. The biggest feature of the static chamber for measuring gas emission flux from farmland is that the height of the static chamber changes with the change of the crop species to be measured. Therefore, such static boxes are targeted when applied. If this kind of static chamber is used for the measurement of animal manure gas emission flux, there are certain disadvantages. First of all, different substances have different gas emissions, and the appropriate volume and size of the static chamber are the basis for accurate measurement of gas emission rates. Secondly, when there is an external line, the box may not be tightly sealed, and the sampling is limited by whether there is an external power supply. Secondly, animal manure is very corrosive and requires long-term observation. Therefore, the material requirements for the box body, especially the base, are relatively high.
实用新型内容 Utility model content
本实用新型的目的是为克服其它种类的静态箱应用到动物粪便温室气体排放通量测量过程中的不匹配问题。提供一种专用于测量动物粪便温室气体排放通量的便携式静态箱，该静态箱可以准确测量动物粪便温室气体的排放斜率，并且制作简单，使用方便，克服了堆粪场没有供电装置的限制。 The purpose of the utility model is to overcome the mismatch problem when other kinds of static boxes are applied to the measurement process of the greenhouse gas emission flux of animal manure. A portable static box specially used for measuring the greenhouse gas emission flux of animal manure is provided. The static box can accurately measure the greenhouse gas emission slope of animal manure.
为实现上述目的，本实用新型采用的技术方案如下： In order to achieve the above object, the technical scheme adopted by the utility model is as follows:
本实用新型的测量动物粪便温室气体排放速率的静态箱，包括箱体和底座，所述的箱体和底座为圆柱形，在箱体内设有风扇，风扇通过风扇安装杆固定在箱体顶板上，风扇电源固定在风扇安装杆上。 The static box for measuring the greenhouse gas emission rate of animal manure of the present utility model includes a box body and a base, the box body and the base are cylindrical, and a fan is arranged in the box body, and the fan is fixed on the top plate of the box body through a fan installation rod , the fan power supply is fixed on the fan installation rod.
本实用新型在底座的外缘设有水封槽。 The utility model is provided with a water seal groove on the outer edge of the base.
本实用新型在箱体内设有便携式自动温湿度记录仪。 The utility model is provided with a portable automatic temperature and humidity recorder in the box body.
本实用新型还在箱体内设有压力平衡袋，压力平衡袋与压力平衡管连接，压力平衡管穿过箱体侧壁露于箱体外。 The utility model is also provided with a pressure balance bag in the box body, the pressure balance bag is connected with the pressure balance pipe, and the pressure balance pipe passes through the side wall of the box body and is exposed outside the box body.
本实用新型还在箱体的侧壁上设有采气管。 The utility model is also provided with a gas sampling pipe on the side wall of the casing.
采用本实用新型的技术方案，箱体为圆柱型，和方型相比，更便于箱内气体的混匀，不易产生死角。风扇电源和温度记录仪均为内置便携式，每个静态箱完全独立，这样采样时不受外界条件和布点距离的限制。本实用新型使用方便，测量气体的准确率高。 Adopting the technical solution of the utility model, the box body is cylindrical, which is more convenient for mixing the gas in the box and less prone to dead angles than the square one. Both the fan power supply and the temperature recorder are built-in and portable, and each static box is completely independent, so that sampling is not limited by external conditions and distribution distance. The utility model is convenient to use and has high gas measuring accuracy.
附图说明 Description of drawings
图1是本实用新型的结构示意图。 Fig. 1 is the structural representation of the utility model.
具体实施方式 Detailed ways
本实用新型的测量动物粪便温室气体排放速率的静态箱如图1所示，包括箱体1和底座7，在底座7的外缘设有水封槽6。所述的箱体和底座为圆柱形，在箱体内设有风扇10，风扇10通过风扇安装杆13固定在箱体顶板上，风扇电源12固定在风扇安装杆上。 The static box for measuring the greenhouse gas emission rate of animal feces of the present utility model is shown in Fig. 1 , which includes a box body 1 and a base 7, and a water seal groove 6 is arranged on the outer edge of the base 7 . Described box body and base are cylindrical, and fan 10 is arranged in box body, and fan 10 is fixed on box body top plate by fan installation rod 13, and fan power supply 12 is fixed on the fan installation rod.
在箱体内设有便携式自动温湿度记录仪8，便携式自动温湿度记录仪8通过挂钩9固定在箱体侧壁上。在箱体内设有压力平衡袋2，压力平衡袋2与压力平衡管3连接，压力平衡管2穿过箱体侧壁露于箱体外，在箱体的侧壁上设有采气管5，采气管管口设有医用两通阀4。为了便于携带，在箱体顶部设有把手14。 A portable automatic temperature and humidity recorder 8 is arranged in the casing, and the portable automatic temperature and humidity recorder 8 is fixed on the side wall of the casing by a hook 9 . There is a pressure balance bag 2 in the box, the pressure balance bag 2 is connected with the pressure balance pipe 3, the pressure balance pipe 2 passes through the side wall of the box body and is exposed outside the box body, and the gas collection pipe 5 is arranged on the side wall of the box body , The mouth of the gas collection pipe is provided with a medical two-way valve 4. For the convenience of carrying, a handle 14 is provided on the top of the box body.
本实用新型的具体实施例如下： The specific embodiment of the utility model is as follows:
顶箱：为一端密封的圆柱体，内径为60cm，高50cm（箱内装有2个混气风扇和1个电池盒，风扇距离侧壁和顶部均20cm,在与风扇平行的箱体侧壁上安装内径为1.5mm的不锈钢采样管，钢管长36cm，箱体内部的长度为30cm,外部长度为6cm。在距离顶部10cm的侧壁上安装内径为1.5mm的不锈钢管，总长为12cm，位于箱体内部及外部的长度均为6cm，内接1m长的医用塑料平衡管。箱体内侧距顶部25cm处焊接1个不锈钢挂钩（悬挂便携式自动温湿度记录仪），外侧顶部焊接2个把手，便于每次采气时的搬运。 Top box: It is a cylinder with one end sealed, with an inner diameter of 60cm and a height of 50cm (the box is equipped with 2 mixed air fans and 1 battery box, the distance between the fan and the top is 20cm, on the side wall of the box parallel to the fan Install a stainless steel sampling tube with an inner diameter of 1.5mm, the length of the steel pipe is 36cm, the inner length of the box is 30cm, and the outer length is 6cm. A stainless steel tube with an inner diameter of 1.5mm is installed on the side wall 10cm away from the top, the total length is 12cm, and it is located in the box. The length of the inside and outside of the body is 6cm, and a 1m-long medical plastic balance tube is connected inside. A stainless steel hook (for hanging a portable automatic temperature and humidity recorder) is welded on the inside of the box at a distance of 25cm from the top, and two handles are welded on the outside top, which is convenient Handling during each gas production.
底座为两端无底的圆柱体，内径为60cm，高20cm，外加6cm高的水封槽，水封槽宽1.5cm。 The base is a bottomless cylinder with an inner diameter of 60cm and a height of 20cm, plus a 6cm-high water seal groove with a width of 1.5cm.
测量动物粪便温室气体排放通量时的采样时间一般为上午8:00-11:00，每次采样前，先检查静态箱内蓄电池电量是否充足，如果不足，先将蓄电池充满电。然后打开箱体内的风扇，将温湿度测定仪悬挂于箱体的侧壁，以便于记录箱体内的环境温湿度。开始后，扣上箱体，迅速加水于水封槽中将静态箱密封，记录下准确时间，每隔10min取一次样，将采集的气体快速注入0.5L的铝塑复合膜气体采样袋中，并用记号笔编号，在记录本上记录采样的准确时间，保证半个小时内抽取4个气体样品。采样同时，用气压表测量当时的气压。采集的样品经气象色谱检测温室气体相对含量，并用标气标定，获得实际含量。采样时间间隔作为横轴，气体体积浓度比作为纵轴做直线，此直线斜率就是动物粪便某种气体的排放斜率。 The sampling time when measuring the greenhouse gas emission flux of animal manure is generally 8:00-11:00 in the morning. Before each sampling, check whether the battery in the static box is sufficient. If not, fully charge the battery first. Then turn on the fan in the box, and hang the temperature and humidity measuring instrument on the side wall of the box, so as to record the ambient temperature and humidity in the box. After starting, buckle the box, quickly add water to the water seal tank to seal the static box, record the exact time, take a sample every 10 minutes, and quickly inject the collected gas into a 0.5L aluminum-plastic composite film gas sampling bag, And use a marker pen to number, record the exact time of sampling in the record book, and ensure that 4 gas samples are taken within half an hour. While sampling, measure the air pressure at that time with a barometer. The collected samples were tested by gas chromatography to detect the relative content of greenhouse gases, and calibrated with standard gas to obtain the actual content. The sampling time interval is taken as the horizontal axis, and the gas volume concentration ratio is taken as the vertical axis to draw a straight line. The slope of this line is the emission slope of a certain gas from animal manure.
根据实施方案，以测量肉牛粪便的甲烷气体排放速率为例（设三个重复采样点），对此静态箱的实际测定进行检验，其结果如表1： According to the implementation plan, taking the measurement of the methane gas emission rate of beef cattle manure as an example (three repeated sampling points are set), the actual measurement of this static box is tested, and the results are shown in Table 1:
表1 静态箱测量肉牛粪便甲烷气体排放速率结果 Table 1 The results of methane gas emission rate of beef cattle manure measured by static box
由表1可以看出，此种静态箱可以准确的测量肉牛粪便甲烷气体排放的速率，其相关系数均达到了0.999的水平。 It can be seen from Table 1 that this kind of static box can accurately measure the rate of methane gas emission from beef cattle manure, and its correlation coefficient has reached the level of 0.999.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884543A (en) * | 2014-02-21 | 2014-06-25 | 中国科学院北方粳稻分子育种联合研究中心 | Device for collecting farmland greenhouse gases |
| CN104111183A (en) * | 2014-07-02 | 2014-10-22 | 中国地质科学院岩溶地质研究所 | Portable amphibious equipment for collecting greenhouse gases |
| CN104677694A (en) * | 2015-02-02 | 2015-06-03 | 中国农业大学 | Static opaque chamber for collecting farmland greenhouse gases |
| CN104833611A (en) * | 2015-05-11 | 2015-08-12 | 朱海生 | Collecting device for greenhouse gas released by excrement composting treatment unit and sampling method |
| CN105258982A (en) * | 2015-09-21 | 2016-01-20 | 浙江省农业科学院 | Dry land gas collector |
| CN105973652A (en) * | 2016-06-30 | 2016-09-28 | 东莞市升微机电设备科技有限公司 | Closed cabin sampling system |
| CN108871883A (en) * | 2018-07-26 | 2018-11-23 | 中国林业科学研究院林业研究所 | A kind of static chamber flux observation device and gas production method |
| CN111413469A (en) * | 2020-04-08 | 2020-07-14 | 中国农业大学 | Static box method for measuring livestock farm open source greenhouse gas emission flux |
-
2013
- 2013-05-24 CN CN 201320289396 patent/CN203224388U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884543A (en) * | 2014-02-21 | 2014-06-25 | 中国科学院北方粳稻分子育种联合研究中心 | Device for collecting farmland greenhouse gases |
| CN104111183A (en) * | 2014-07-02 | 2014-10-22 | 中国地质科学院岩溶地质研究所 | Portable amphibious equipment for collecting greenhouse gases |
| CN104677694A (en) * | 2015-02-02 | 2015-06-03 | 中国农业大学 | Static opaque chamber for collecting farmland greenhouse gases |
| CN104677694B (en) * | 2015-02-02 | 2017-03-15 | 中国农业大学 | A kind of static camera bellows for gathering farmland greenhouse gas |
| CN104833611A (en) * | 2015-05-11 | 2015-08-12 | 朱海生 | Collecting device for greenhouse gas released by excrement composting treatment unit and sampling method |
| CN105258982A (en) * | 2015-09-21 | 2016-01-20 | 浙江省农业科学院 | Dry land gas collector |
| CN105258982B (en) * | 2015-09-21 | 2017-11-24 | 浙江省农业科学院 | Nonirrigated farmland gas collector |
| CN105973652A (en) * | 2016-06-30 | 2016-09-28 | 东莞市升微机电设备科技有限公司 | Closed cabin sampling system |
| CN108871883A (en) * | 2018-07-26 | 2018-11-23 | 中国林业科学研究院林业研究所 | A kind of static chamber flux observation device and gas production method |
| CN111413469A (en) * | 2020-04-08 | 2020-07-14 | 中国农业大学 | Static box method for measuring livestock farm open source greenhouse gas emission flux |
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