US 12,228,478 B1
System and method for sampling metal ions in corrosive gas
Xiangping Ye, Foshan (CN); Zhuhong Fu, Foshan (CN); Yanshan Chen, Foshan (CN); and Yonghao Liang, Foshan (CN)
Assigned to GUANGDONG HUATE GAS CO., LTD., Foshan (CN)
Filed by GUANGDONG HUATE GAS CO., LTD., Foshan (CN)
Filed on Aug. 8, 2024, as Appl. No. 18/797,540.
Application 18/797,540 is a continuation of application No. PCT/CN2024/085727, filed on Apr. 3, 2024.
Claims priority of application No. 202311009968.6 (CN), filed on Aug. 10, 2023.
Int. Cl. G01N 1/22 (2006.01); G01N 1/38 (2006.01)
CPC G01N 1/2247 (2013.01) [G01N 1/38 (2013.01); G01N 2001/385 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A system for sampling metal ions in a corrosive gas, comprising:
a sampling bottle internally provided with a sampling chamber, wherein the sampling bottle is provided with a first sampling pipeline and a second sampling pipeline, the first sampling pipeline and the second sampling pipeline are communicated with the sampling chamber, and the second sampling pipeline is provided with a discharge valve;
a vacuuming pipeline connected with the first sampling pipeline, wherein the vacuuming pipeline is provided with a first vacuuming valve, the vacuuming pipeline is provided with a vacuuming device, and the vacuuming device is configured to vacuum the sampling chamber;
a replacement gas pipeline connected with the first sampling pipeline, wherein the replacement gas pipeline is provided with a replacement valve, and the replacement gas pipeline is configured to blow a replacement gas into the sampling chamber;
an injection pipeline connected with the first sampling pipeline, wherein the injection pipeline is provided with an injection valve, and the injection pipeline is configured to inject a sample gas into the sampling chamber; and
a purge gas pipeline connected with the first sampling pipeline, wherein the purge gas pipeline is provided with a purge valve, and the purge gas pipeline is configured to slowly blow a purge gas into the sampling chamber and blow away a corrosive gas in the sample gas,
wherein the purge gas pipeline comprises the replacement gas pipeline and the purge valve is the replacement valve;
the vacuuming device is a vacuum generator, and the vacuum generator comprises a gas inlet port, a gas outlet port, and a negative pressure port; the vacuuming pipeline comprises a vacuum power pipeline, a second vacuum pipeline, and a third vacuum pipeline; a first end of the vacuum power pipeline is connected with the gas inlet port; a first end of the second vacuum pipeline is connected with the negative pressure port; and a first end of the third vacuum pipeline is connected with the second vacuum pipeline, and a second end of the third vacuum pipeline is connected with the first sampling pipeline;
a first end of the purge gas pipeline is connected with the first sampling pipeline, and a second end of the purge gas pipeline is connected with a second end of the vacuum power pipeline and is provided with a gas source inlet; a second end of the second vacuum pipeline is connected with the purge gas pipeline; the first vacuuming valve is arranged on the third vacuum pipeline; the vacuum power pipeline is provided with a vacuum power valve, and the second vacuum pipeline is provided with a second vacuuming valve; a location of the second vacuuming valve is closer to the negative pressure port than a junction of the second vacuum pipeline and the third vacuum pipeline; and a location of the purge valve is closer to the gas source inlet than a junction of the purge gas pipeline and the second vacuum pipeline;
the first sampling pipeline is provided with a first valve; a junction of the injection pipeline and the first sampling pipeline is closer to the sampling bottle than a location of the first valve; and the location of the first valve is closer to the sampling bottle than a junction of the third vacuum pipeline and the first sampling pipeline and a junction of the purge gas pipeline and the first sampling pipeline.