IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0311066
(2005-12-19)
|
등록번호 |
US-7395725
(2008-07-08)
|
발명자
/ 주소 |
- Shimizu,Naohito
- Endo,Masahiko
- Ikawa,Minoru
- Chien,Poliang
- Downey,James E.
|
출원인 / 주소 |
- Horiba, Ltd.
- Horiba Instruments Incorporated
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
7 |
초록
▼
There is provided a sample treatment apparatus which can, continuously and stably for a long time, treat a sample containing an easily precipitating substance such as sulfur and a measuring apparatus providing it. The sample treatment apparatus includes: a path for introducing a fluid for an aspira
There is provided a sample treatment apparatus which can, continuously and stably for a long time, treat a sample containing an easily precipitating substance such as sulfur and a measuring apparatus providing it. The sample treatment apparatus includes: a path for introducing a fluid for an aspirator, at least two sample flow paths A connected in one side to the path for introducing a fluid for an aspirator and connected in the other side to a sample collecting part, a sample flow path B connected in one side to one sample flow path A passing a fluid for an aspirator and connected in the other side to the other sample flow path A, a cooling part for cooling a part of the sample flow paths A, and a controller for selecting and switching the sample flow paths A into which a fluid for an aspirator is introduced.
대표청구항
▼
What is claimed is: 1. A sample treatment apparatus, which comprises: a path for introducing a fluid for an aspirator, at least two sample flow paths A connected in one side to the path for introducing a fluid for the aspirator and connected in the other side to a sample collecting part, a sample f
What is claimed is: 1. A sample treatment apparatus, which comprises: a path for introducing a fluid for an aspirator, at least two sample flow paths A connected in one side to the path for introducing a fluid for the aspirator and connected in the other side to a sample collecting part, a sample flow path B connected in one side to one sample flow path A passing a fluid for the aspirator and connected in the other side to the other sample flow path A, a cooling part for cooling a part of the sample flow paths A, and a controller for selecting and switching the sample flow paths A into which a fluid for the aspirator is introduced, wherein a fluid for the aspirator is introduced into at least one sample flow path A thereby cleaning one of the sample flow paths A and simultaneously suctioning the sample from at least one sample collecting part connected to the other sample flow path A, cooling the sample in the other sample flow path A, condensing and removing a specific component in the sample, and introducing the sample into the sample flow path B, and simultaneously selecting and switching, in a predetermined cycle, the sample flow path A into which a fluid for the aspirator is introduced. 2. The sample treatment apparatus according to claim 1, wherein the fluid for the aspirator is steam. 3. The sample treatment apparatus according to claim 2, wherein the sample is a process fluid of the Claus process, and at least the sample collecting part is inserted directly into a process line. 4. A measuring apparatus provided with the sample treatment apparatus according to claim 3, wherein the sample flow path B is connected to a sample cell part. 5. A measuring apparatus provided with the sample treatment apparatus according to claim 2, wherein the sample flow path B is connected to a sample cell part. 6. The measuring apparatus according to claim 5, which is provided with a heating part including the sample flow path B and the sample cell part, wherein the heating part can be controlled at temperature higher than in the cooling part. 7. The measuring apparatus according to claim 6, wherein the heating part is divided into a first disk containing a flow path for introducing a heating fluid, a check gas, a calibration gas or a cleaning gas, a second disk for accommodating the sample cell part, and a third disk having a path for introducing a fluid for the aspirator, and is composed of the respective disks connected to one another. 8. The measuring apparatus according to claim 5, wherein an optical fiber is connected to the sample cell part to detect absorbance, thereby measuring the concentration of a specific component in a sample. 9. The measuring apparatus according to claim 5, wherein the background in the measurement system can be calibrated by linking with the switching cycle of the fluid for the aspirator. 10. The sample treatment apparatus according to claim 1, wherein the sample is a process fluid of the Claus process, and at least the sample collecting part is inserted directly into a process line. 11. A measuring apparatus provided with the sample treatment apparatus according to claim 10, wherein the sample flow path B is connected to a sample cell part. 12. The measuring apparatus according to claim 11, which is provided with a heating part including the sample flow path B and the sample cell part, wherein the heating part can be controlled at temperature higher than in the cooling part. 13. The measuring apparatus according to claim 12, wherein the heating part is divided into a first disk containing a flow path for introducing a heating fluid, a check gas, a calibration gas or a cleaning gas, a second disk for accommodating the sample cell part, and a third disk having a path for introducing a fluid for the aspirator, and is composed of the respective disks connected to one another. 14. The measuring apparatus according to claim 11, wherein an optical fiber is connected to the sample cell part to detect absorbance, thereby measuring the concentration of a specific component in a sample. 15. The measuring apparatus according to claim 11, wherein the backgronnd in the measurement system can be calibrated by linking with the switching cycle of the fluid for the aspirator. 16. A measuring apparatus provided with the sample treatment apparatus according to claim 1, wherein the sample flow path B is connected to a sample cell part. 17. The measuring apparatus according to claim 16, which is provided with a heating part including the sample flow path B and the sample cell part, wherein the heating part can be controlled at temperature higher than in the cooling part. 18. The measuring apparatus according to claim 17, wherein the heating part is divided into a first disk containing a flow path for introducing a heating fluid, a check gas, a calibration gas or a cleaning gas, a second disk for accommodating the sample cell part, and a third disk having a path for introducing a fluid for the aspirator, and is composed of the respective disks connected to one another. 19. The measuring apparatus according to claim 16, wherein an optical fiber is connected to the sample cell part to detect absorbance, thereby measuring the concentration of a specific component in a sample. 20. The measuring apparatus according to claim 16, wherein the background in the measurement system can be calibrated by linking with the switching cycle of the fluid for the aspirator.
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