CN209327149U - A detection device for acetylene content in gas phase - Google Patents
A detection device for acetylene content in gas phase Download PDFInfo
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- CN209327149U CN209327149U CN201822244640.3U CN201822244640U CN209327149U CN 209327149 U CN209327149 U CN 209327149U CN 201822244640 U CN201822244640 U CN 201822244640U CN 209327149 U CN209327149 U CN 209327149U
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- absorption device
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- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 56
- 238000005259 measurement Methods 0.000 claims abstract description 25
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉一种气相中乙炔含量的检测装置。The utility model relates to a detection device for acetylene content in gas phase.
背景技术Background technique
目前，通用的测定气相中乙炔含量的方法为气相色谱法，该方法可以准确的定量分析出气相中乙炔的含量，但存在耗费时间长，进样量不稳定（需采用定量环进行准确定量进样），测试所需仪器费用高且不能进行现场测定的缺点。At present, the general method for determining the content of acetylene in the gas phase is gas chromatography. This method can accurately and quantitatively analyze the content of acetylene in the gas phase, but it takes a long time and the injection volume is unstable. sample), the shortcomings of the high cost of instruments required for testing and the inability to conduct on-site determination.
因此，为满足实验研究和推广应用的需求，迫切需要一种能够快速准确定量测试出气相中乙炔含量的装置。Therefore, in order to meet the needs of experimental research and popularization and application, there is an urgent need for a device that can quickly and accurately quantitatively measure the content of acetylene in the gas phase.
发明内容Contents of the invention
本实用新型的目的是，提供一种气相中乙炔含量的检测装置，该装置是由集气袋、第一进气管道、截止阀、第一气体吸收装置、第一定量测量精密天平、第二进气管道、第二气体吸收装置和第二定量测量精密天平组成，在使用时，通过第一定量测量精密天平和第二定量测量精密天平读取第一气体吸收装置和第二气体吸收装置的质量m1，打开截止阀，使装有乙炔的集气袋中的乙炔以10-100ml/min的气速流经截止阀和第一进气管道进入到第一气体吸收装置，再通过第二进气管道进入到第二气体吸收装置，待集气袋中的乙炔气体全部释放后，关闭截止阀，通过第一定量测量精密天平和第二定量测量精密天平读取第一气体吸收装置和第二气体吸收装置的质量m2，则集气袋中乙炔的含量为m2- m1。该装置结构简单，操作方便，便于携带，测试准确，可以应用到气相中不同乙炔含量的测定。The purpose of this utility model is to provide a detection device for the content of acetylene in the gas phase. Two air inlet pipelines, a second gas absorption device and a second quantitative measurement precision balance are composed. When in use, the first gas absorption device and the second quantitative measurement precision balance are used to read the first gas absorption device and the second quantitative measurement precision balance. The mass of the device is m 1 , open the shut-off valve, and let the acetylene in the gas-collecting bag containing acetylene flow through the shut-off valve and the first air inlet pipe at a gas velocity of 10-100ml/min into the first gas absorption device, and then pass through the The second air intake pipe enters the second gas absorption device. After all the acetylene gas in the gas collection bag is released, close the stop valve, and read the first gas absorption by the first quantitative measurement precision balance and the second quantitative measurement precision balance. The mass m 2 of the device and the second gas absorption device, then the content of acetylene in the gas bag is m 2 - m 1 . The device has the advantages of simple structure, convenient operation, portability and accurate testing, and can be applied to the determination of different acetylene contents in the gas phase.
本实用新型所述的一种气相中乙炔的含量的检测装置，该装置是由乙炔集气袋（1）、第一进气管道（2）、截止阀（3）、第一气体吸收装置（4）、第一定量测量精密天平（5）、第二进气管道（8）、第二气体吸收装置（6）和第二定量测量精密天平（7）组成，在第一气体吸收装置（4）的顶端分别设置对称的第一进气管道（2）和第二进气管道（8），乙炔集气袋（1）通过第一进气管道（2）与第一气体吸收装置（4）连接，在第一气体吸收装置（4）底部设置有第一定量测量精密天平（5）；第一气体吸收装置（4）通过第二进气管道（8）与第二气体吸收装置（6）连接，在第二气体吸收装置（6）底部设置有第二定量测量精密天平（7），在第一进气管道（2）和第二进气管道（8）上分别设置有截止阀（3）。A detection device for the content of acetylene in the gas phase described in the utility model, the device is composed of an acetylene gas collection bag (1), a first air intake pipe (2), a stop valve (3), a first gas absorption device ( 4), the first quantitative measurement precision balance (5), the second air intake pipe (8), the second gas absorption device (6) and the second quantitative measurement precision balance (7), in the first gas absorption device ( 4) A symmetrical first air intake pipe (2) and a second air intake pipe (8) are respectively arranged at the top, and the acetylene gas collection bag (1) passes through the first air intake pipe (2) and the first gas absorption device (4) ) connection, the first quantitative measurement precision balance (5) is arranged at the bottom of the first gas absorption device (4); the first gas absorption device (4) connects with the second gas absorption device ( 6) Connection, a second quantitative measurement precision balance (7) is installed at the bottom of the second gas absorption device (6), and shut-off valves are respectively installed on the first air inlet pipe (2) and the second air inlet pipe (8) (3).
第一气体吸收装置（4）和第二气体吸收装置（6）中分别装有吸收器，在吸收器中装有四氢呋喃吸收液。The first gas absorption device (4) and the second gas absorption device (6) are respectively equipped with absorbers, and tetrahydrofuran absorption liquid is installed in the absorbers.
本实用新型所述的一种气相中乙炔的含量的检测装置，该装置中第一定量测量精密天平（5）和第二定量测量精密天平（7）的精确度：0.0001g，所述的管道为耐腐蚀导管。A detection device for the content of acetylene in the gas phase described in the utility model, the accuracy of the first quantitative measurement precision balance (5) and the second quantitative measurement precision balance (7) in the device: 0.0001g, the described The piping is corrosion resistant conduit.
附图说明Description of drawings
图1为本实用新型的结构示意图，其中：1-集气袋，2-第一进气管道，3-截止阀，4-第一气体吸收装置，5-第一定量测量精密天平，6-第二气体吸收装置，7-第二定量测量精密天平，8-第二进气管道。Fig. 1 is the structure schematic diagram of the present utility model, wherein: 1-gas collection bag, 2-the first air intake pipeline, 3-stop valve, 4-the first gas absorption device, 5-the first quantitative measurement precision balance, 6 - the second gas absorption device, 7 - the second precision balance for quantitative measurement, 8 - the second air intake pipeline.
具体实施方式Detailed ways
以下结合附图对本实用新型做进一步说明，并给出实施例。Below in conjunction with accompanying drawing, the utility model is described further, and provides embodiment.
本实用新型所述的一种气相中乙炔的含量的检测装置，该装置是由集气袋1、第一进气管道2、截止阀3、第一气体吸收装置4、第一定量测量精密天平5、第二进气管道8、第二气体吸收装置6和第二定量测量精密天平7组成，在第一气体吸收装置4的顶端分别设置对称的第一进气管道2和第二进气管道8，集气袋1通过第一进气管道2与第一气体吸收装置4连接，在第一气体吸收装置4底部设置有第一定量测量精密天平5；第一气体吸收装置4通过第二进气管道8与第二定量测量装置7连接，在第二气体吸收装置6底部设置有第一定量测量精密天平7，在第一进气管道2和第二进气管道8上分别设置有截止阀3；第一气体吸收装置4和第二气体吸收装置6中分别装有对乙炔溶解度较高的四氢呋喃吸收液的吸收器；A detection device for the content of acetylene in the gas phase described in the utility model, the device is composed of a gas collection bag 1, a first air intake pipe 2, a stop valve 3, a first gas absorption device 4, a first quantitative measurement precision The balance 5, the second air intake pipe 8, the second gas absorption device 6 and the second quantitative measurement precision balance 7 are composed of a symmetrical first air intake pipe 2 and a second air intake pipe respectively arranged on the top of the first gas absorption device 4. The pipeline 8, the gas collection bag 1 is connected with the first gas absorption device 4 through the first air inlet pipeline 2, and the first quantitative measurement precision balance 5 is arranged at the bottom of the first gas absorption device 4; the first gas absorption device 4 passes through the first gas absorption device 4 The second gas inlet pipeline 8 is connected with the second quantitative measurement device 7, and the first quantitative measurement precision balance 7 is arranged at the bottom of the second gas absorption device 6, and is respectively arranged on the first gas inlet pipeline 2 and the second gas inlet pipeline 8. There is a shut-off valve 3; the first gas absorption device 4 and the second gas absorption device 6 are respectively equipped with absorbers for THF absorption liquid with higher solubility of acetylene;
如图1所示，在使用时，将装有乙炔的集气袋1通过第一进气管道2与置于第一定量精密测量装置5上的第一气体吸收装置4连接，第一气体吸收装置4通过第二进气管道8与置于第二定量精密测量装置7上的第二气体吸收装置6连接，通过通过第一定量测量精密天平和第二定量测量精密天平读取第一气体吸收装置和第二气体吸收装置的质量m1，打开截止阀3，使装有乙炔集气袋1中的乙炔以10-100ml/min的气速流经截止阀3和第一进气管道2进入到第一气体吸收装置4，再通过第二进气管道8进入到第二气体吸收装置6，待集气袋1中的乙炔气体全部释放后，关闭截止阀3，通过第一定量测量精密天平5和第二定量测量精密天平7读取第一气体吸收装置4和第二气体吸收装置6的质量m2，则集气袋1中乙炔的含量为m2-m1。As shown in Figure 1, when in use, the gas collection bag 1 that acetylene is housed is connected with the first gas absorbing device 4 placed on the first quantitative precision measuring device 5 through the first air inlet pipe 2, and the first gas The absorption device 4 is connected with the second gas absorption device 6 placed on the second quantitative precision measuring device 7 through the second air inlet pipe 8, and the first quantitative measurement precision balance and the second quantitative measurement precision balance read the first The mass m 1 of the gas absorption device and the second gas absorption device, open the stop valve 3, so that the acetylene in the acetylene gas collection bag 1 flows through the stop valve 3 and the first air inlet pipe at a gas velocity of 10-100ml/min 2 enter the first gas absorption device 4, and then enter the second gas absorption device 6 through the second air intake pipe 8. After all the acetylene gas in the gas collection bag 1 is released, close the stop valve 3 and pass through the first quantitative The measuring precision balance 5 and the second quantitative measuring precision balance 7 read the mass m 2 of the first gas absorbing device 4 and the second gas absorbing device 6 , then the content of acetylene in the gas collecting bag 1 is m 2 −m 1 .
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822244640.3U CN209327149U (en) | 2018-12-29 | 2018-12-29 | A detection device for acetylene content in gas phase |
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| CN201822244640.3U CN209327149U (en) | 2018-12-29 | 2018-12-29 | A detection device for acetylene content in gas phase |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049435A (en) * | 2021-04-25 | 2021-06-29 | 武汉中科标测科技有限公司 | System and method for rapidly estimating total content of harmful gases in air |
| CN114112776A (en) * | 2021-11-24 | 2022-03-01 | 西安镭博赛因科学仪器有限公司 | Based on closed circulation absorption measurement H in natural gas2Method for S content |
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2018
- 2018-12-29 CN CN201822244640.3U patent/CN209327149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049435A (en) * | 2021-04-25 | 2021-06-29 | 武汉中科标测科技有限公司 | System and method for rapidly estimating total content of harmful gases in air |
| CN114112776A (en) * | 2021-11-24 | 2022-03-01 | 西安镭博赛因科学仪器有限公司 | Based on closed circulation absorption measurement H in natural gas2Method for S content |
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Effective date of registration: 20250205 Address after: No. 188 Hebei East Road, High tech Zone (Xinshi District), Urumqi City, Xinjiang Uygur Autonomous Region 830000 Patentee after: China Merchants Xinjiang Quality Inspection Technology Research Institute Co.,Ltd. Country or region after: China Address before: No.188, Hebei East Road, Urumqi, Xinjiang Uygur Autonomous Region 830011 Patentee before: XINJIANG UYGUR AUTONOMOUS REGION PRODUCT QUALITY SUPERVISION & INSPECTION Research Institute Country or region before: China |
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