GB1525336A - Filter for a high dust content gas analyser in particular for the flue gases of boilers and cement furnaces - Google Patents
Filter for a high dust content gas analyser in particular for the flue gases of boilers and cement furnacesInfo
- Publication number
- GB1525336A GB1525336A GB422876A GB422876A GB1525336A GB 1525336 A GB1525336 A GB 1525336A GB 422876 A GB422876 A GB 422876A GB 422876 A GB422876 A GB 422876A GB 1525336 A GB1525336 A GB 1525336A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- filter
- boilers
- duct
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
- G01N2001/242—Injectors or ejectors
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
1525336 Sampling gas LEEDS & NORTH RUP ITALIANA SpA 3 Feb 1976 [25 Feb 1975] 04228/76 Heading BIT [Also in Division Gl] A filter for a sampling device which analyses a dust-containing gas, comprises duct 9 having nozzle 10 for attachment to the probe (not shown) of the device for withdrawing a sample of gas (e.g. flue gas of boilers or cement furnaces), a nozzle 11 for attachment to discharge duct 12, and nozzle 13 for attachment to the suction side of the aspirator (not shown) of the device, a filter sleeve 15 coaxially located in duct 9 and inlet 19 for the introduction of air in a direction towards duct 12. In use, the air introduced through inlet 19 sucks most of the gas withdrawn by the probe along the filter sleeve, only a minor portion of the withdrawn gas passing through the filter sleeve to the aspirator and an analysing instrument connected thereto.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2065175A IT1033189B (en) | 1975-02-25 | 1975-02-25 | FILTER FOR GAS ANALYZER WITH HIGH CONTENT OF DUST, IN PARTICULAR OF COMBUSTION FUMES FROM BOILERS AND CEMENT PLANT OVENS |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1525336A true GB1525336A (en) | 1978-09-20 |
Family
ID=11170054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB422876A Expired GB1525336A (en) | 1975-02-25 | 1976-02-03 | Filter for a high dust content gas analyser in particular for the flue gases of boilers and cement furnaces |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2603948A1 (en) |
FR (1) | FR2302521A1 (en) |
GB (1) | GB1525336A (en) |
IT (1) | IT1033189B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5413001A (en) * | 1992-07-21 | 1995-05-09 | Fls Automation A/S | Method and apparatus for sampling gas from a hot dust-filled gas stream |
WO2005103643A1 (en) * | 2004-04-22 | 2005-11-03 | Fls Airloq A/S | Apparatus and method for taking gaseous samples |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4161883A (en) * | 1978-05-23 | 1979-07-24 | The Bendix Corporation | Conditioning assembly for continuous stack monitoring |
US4484481A (en) * | 1982-09-30 | 1984-11-27 | Sampling Technology, Inc. | Gas sampling extractor and conditioning assembly |
US4481833A (en) * | 1982-12-27 | 1984-11-13 | Uop Inc. | Particle excluding sample probe |
US5423228A (en) * | 1992-12-18 | 1995-06-13 | Monitor Labs, Inc. | Dilution stack sampling apparatus |
-
1975
- 1975-02-25 IT IT2065175A patent/IT1033189B/en active
-
1976
- 1976-02-03 GB GB422876A patent/GB1525336A/en not_active Expired
- 1976-02-03 DE DE19762603948 patent/DE2603948A1/en not_active Withdrawn
- 1976-02-18 FR FR7605155A patent/FR2302521A1/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5413001A (en) * | 1992-07-21 | 1995-05-09 | Fls Automation A/S | Method and apparatus for sampling gas from a hot dust-filled gas stream |
US5490429A (en) * | 1992-07-21 | 1996-02-13 | Fls Automation A/S | Apparatus for sampling gas from a hot dust-filled gas stream |
WO2005103643A1 (en) * | 2004-04-22 | 2005-11-03 | Fls Airloq A/S | Apparatus and method for taking gaseous samples |
US7628086B2 (en) | 2004-04-22 | 2009-12-08 | Fls Airloq A/S | Apparatus and method for taking gaseous samples |
Also Published As
Publication number | Publication date |
---|---|
FR2302521B3 (en) | 1978-11-17 |
IT1033189B (en) | 1979-07-10 |
FR2302521A1 (en) | 1976-09-24 |
DE2603948A1 (en) | 1976-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |