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Farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of farmland greenhouse gas collecting device

A technology for farmland greenhouse gas and collection devices, which is applied in measurement devices, sampling devices, sampling, etc., can solve problems such as poor flexibility, high process requirements, complex structure, etc., and achieve the effects of easy maintenance, portable transportation, and small soil disturbance.

Inactive Publication Date: 2016-06-22
INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This acquisition method has complex structure, poor flexibility, and high technical requirements for the device

Method used

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  • Farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of farmland greenhouse gas collecting device
  • Farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of farmland greenhouse gas collecting device
  • Farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of farmland greenhouse gas collecting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 shown.

[0039] A farmland greenhouse gas collection device sealed by a two-way silicone ring, comprising a static box 1 and a base 2 arranged for plugging, the static box 1 is a cylindrical structure with a top seal, and the base 2 is a cylindrical structure with two ends open; The edge of the lower opening of the static box 1 is provided with a grooved silicone ring 4, which surrounds the lower opening of the static box 1; the edge of the upper opening of the base 2 is provided with a raised silicone ring 3, and the raised silicone ring 3 surrounds The upper end of the base 2 is open for a circle; the raised silicone ring 3 is embedded in the grooved silicone ring 4; The raised silicone ring 3 , the grooved silicone ring 4 and the sealing buckle 10 together play a sealing role.

Embodiment 2

[0041] Such as figure 2 shown.

[0042]As described in Example 1, the farmland greenhouse gas collection device that utilizes two-way silicone ring sealing, the difference is that the static box 1 includes a first static box 19, a telescopic section 12 and a second static box that are sequentially connected from top to bottom 20: The side wall of the second static box 20 is provided with three vertical fixed rods 16, and the first static box 19 is provided with a sleeve 13 that cooperates with the fixed rod 16, and the side wall of the sleeve 13 is provided with bolts The jacking wire 14; the fixed rod 16 is socketed with the casing 13; the telescopic section 12 is a corrugated telescopic bellows. The advantage of the design here is that according to the different heights of crops of different heights, and the height of the same crop in different growth periods, the height of the telescopic section 12 is adjusted and fixed by the bolt top screw 14 to meet the use requirement...

Embodiment 3

[0044] As described in Example 1, the farmland greenhouse gas collection device utilizing a two-way silicone ring seal is different in that an axial flow fan, a thermometer probe 9 and an air intake rod 5 are arranged in the static box 1; the axial flow fan is connected to a battery 7. The thermometer probe 9 is connected to the digital display thermometer 8.

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Abstract

The invention relates to a farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of the farmland greenhouse gas collecting device. The gas collecting device comprises a static box and a base which are connected in an insertion manner, wherein the static box is a cylindrical structure with a sealed top, and the base is a cylindrical structure with openings in two ends; a grooved silica gel ring is arranged at the edge of the lower-end opening of the static box and circles the lower-end opening of the static box; a raised silica gel ring is arranged at the edge of the upper-end opening of the base and circles the upper-end opening of the base; the raised silica gel is embedded into the grooved silica gel ring; the edge of the lower opening of the static box is connected with the edge of the upper opening of the base through sealing fasteners. The farmland greenhouse gas collecting device sealed by the bidirectional silica gel rings is good in field in-situ observation performance, low in soil disturbance by the base, convenient to transport, easy to operate and suitable for multipoint and large-batch gas sample collecting of farmland.

Description

technical field [0001] The invention relates to a farmland greenhouse gas collection device sealed by a bidirectional silicone ring and an application thereof, belonging to the technical field of gas collection devices. Background technique [0002] At present, the study of agricultural greenhouse gases has become one of the hot issues in the study of agricultural ecological effects. It is estimated that agricultural greenhouse gases account for about 14% of the total global greenhouse gas emissions, and slowing down agricultural greenhouse gas emissions plays an important role in controlling global climate change. [0003] In the study of greenhouse gases from agricultural sources, the greenhouse gas collection device is the basis for the study of greenhouse gas fluxes. At present, the commonly used methods for collecting and measuring greenhouse gases in farmland ecosystems at home and abroad mainly include static box-gas chromatography and field gas analyzer in-situ obse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/22
CPCG01N1/2294
Inventor 田慎重郭洪海郑东峰董晓霞董亮孙泽强王学君刘盛林
Owner INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI
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