[특허]Device and method for measuring elemental sulfur in gas in gas lines

Saudi Arabian Oil Company

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특허 상세정보

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Device and method for measuring elemental sulfur in gas in gas lines

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01L-009/00 G01N-001/22 C01B-017/02 G01N-033/00 G01N-001/10 G01N-001/40
미국특허분류(USC)	422/565; 422/544; 422/560
출원번호	US-0957564 (2004-10-01)
등록번호	US-8852535 (2014-10-07)
발명자 / 주소	Al-Taie, Ihsan Al-Mathami, Abdulaziz A. Al-Mutairi, Helal M.
출원인 / 주소	Saudi Arabian Oil Company
대리인 / 주소	Bracewell & Giuliani LLP
인용정보	피인용 횟수 : 0 인용 특허 : 17

초록
▼

A device and method for measuring the level of elemental sulfur present in a gas in a gas line. The device may include: an access fitting detachably connectable with the gas line, the access fitting having a first end and a second end; a probe detachably connectable to at least one end of the access fitting and adapted for insertion into a gas flow stream from the gas line to recover condensed components on the probe's outer surface; and a piping partially disposed within the probe for providing a cooling medium to the probe. The method may include the steps of: collecting a sample of elemental sulfur-containing gas from the gas line, wherein the sample is collected on an outer surface of a probe by condensing some or all of the elemental sulfur-containing gas in the gas line on a surface of the probe while the gas line is operational, the probe being removably placed into a gas flow stream from the gas line; separating the elemental sulfur from other species in the sample into an amount of elemental sulfur; and analyzing the amount of elemental sulfur collected. The device and method of the present invention for measuring the level of elemental sulfur present in a gas in a gas line, when compared with previously proposed devices and methods, has the advantages of: providing an accurate measurement of elemental sulfur, being able to distinguish between free elemental sulfur and sulfur in other sulfur-containing chemicals, and being practical and effective for use in process plant applications, particularly pressurized gas lines.

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청구항
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1. A system for collecting condensed sulfur from a gas line comprising: a device comprising: an access fitting detachably connectable with the gas line, the access fitting having a first end and a second end,a probe detachably connectable to at least one end of the access fitting and adapted for insertion into a gas flow stream from the gas line and configured to collect condensed components on the probe's outer surface without allowing the gas flow stream to flow through the probe, wherein the condensed components comprise the condensed sulfur, anda piping partially disposed within the probe for providing a cooling medium to the probe;a first tubing segment disposed between the device and a first sampling point on the gas line configured to deliver gas from the gas line to the device; anda second tubing segment disposed between the device and a second sampling point on the gas line configured to deliver gas devoid of recovered condensed components from the device to the gas line,wherein the first tubing segment comprises a pressure reduction valve configured to reduce a pressure of the gas such that the sulfur in the gas condenses on the probe's outer surface. 2. The system of claim 1, wherein the access fitting is an industry standard size. 3. The system of claim 1, wherein the piping is not in fluid communication with the gas flow stream. 4. A system for collecting condensed sulfur from a gas line, the gas line having a first sampling point and a second sampling point disposed thereupon, the system comprising: a device comprising: a probe casing, anda probe detachably connectable to at least one end of the probe casing and adapted for insertion into a gas flow stream from the gas line and configured to collect condensed components on the probe's outer surface without allowing the gas flow stream to flow through the probe, wherein the condensed components comprise the condensed sulfur;a first tubing segment disposed between the probe casing and the first sampling point on the gas line configured to deliver gas from the gas line to the probe casing; anda second tubing segment disposed between the probe casing and the second sampling point on the gas line configured to deliver gas devoid of recovered condensed components from the probe casing to the gas line,wherein the first tubing segment comprises a pressure reduction valve configured to reduce a pressure of the gas such that the sulfur in the gas condenses on the probe's outer surface, and wherein the device further comprises a piping partially disposed within the probe for providing a cooling medium to the probe. 5. The system of claim 4, wherein the piping is not in fluid communication with the gas flow stream. 6. A system for collecting condensed sulfur from a gas line comprising: a device comprising: a probe configured to be detachably connectable to a bottom portion of an access fitting and to be inserted into a gas flow stream from the gas line, the probe being configured to collect condensed components on the probe's outer surface without allowing the gas flow stream to flow through the probe, wherein the condensed components comprise the condensed sulfur,an upper section having an interior annular portion, the upper section being operable to engage a top portion of the access fitting,a piping internally disposed within the interior annular portion of the upper section and the probe, such that the piping is operable to deliver a cooling medium to the interior portion of the probe, wherein the piping is not in fluid communication with the gas in the gas line,a cooling medium inlet in fluid communication with the piping, anda cooling medium outlet in fluid communication with the interior annular portion of the upper section;a first tubing segment disposed between the device and a first sampling point on the gas line configured to deliver gas from the gas line to the device; and a second tubing segment disposed between the device and a second sampling point on the gas line configured to deliver gas devoid of recovered condensed components from the device to the gas line,wherein the first tubing segment comprises a pressure reduction valve configured to reduce a pressure of the gas such that the sulfur in the gas condenses on the probe's outer surface. 7. A system for collecting condensed sulfur from a gas line comprising: a device comprising: an access fitting detachably connectable with the gas line, the access fitting having a first end and a second end,a probe detachably connectable to at least one end of the access fitting and adapted for insertion into a gas flow stream from the gas line and configured to collect condensed components solely on the probe's outer surface, wherein the condensed components comprise the condensed sulfur, anda piping partially disposed within the probe for providing a cooling medium to the probe;a first tubing segment disposed between the device and a first sampling point on the gas line configured to deliver gas from the gas line to the device; anda second tubing segment disposed between the device and a second sampling point on the gas line configured to deliver gas devoid of recovered condensed components from the device to the gas line,wherein the first tubing segment comprises a pressure reduction valve configured to reduce a pressure of the gas such that the sulfur in the gas condenses on the probe's outer surface.

이 특허에 인용된 특허 (17)

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Device and method for measuring elemental sulfur in gas in gas lines

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Device and method for measuring elemental sulfur in gas in gas lines

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이 특허에 인용된 특허 (17)

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