CN110579378A - sustainable sampling probe rod of flue gas - Google Patents
sustainable sampling probe rod of flue gas Download PDFInfo
- Publication number
- CN110579378A CN110579378A CN201810582934.9A CN201810582934A CN110579378A CN 110579378 A CN110579378 A CN 110579378A CN 201810582934 A CN201810582934 A CN 201810582934A CN 110579378 A CN110579378 A CN 110579378A
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- China
- Prior art keywords
- chamber
- electromagnetic valve
- sustainable
- sampling
- sampling probe
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- 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.)
- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 53
- 239000000523 sample Substances 0.000 title claims abstract description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 17
- 239000003546 flue gas Substances 0.000 title claims description 17
- 238000007664 blowing Methods 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 238000011010 flushing procedure Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 34
- 238000012544 monitoring process Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- 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
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a sustainable smoke sampling probe rod which comprises a rotary filtering device, a first sampling probe rod and a second sampling probe rod, wherein the rotary filtering device is provided with a first chamber and a second chamber which are mutually isolated and can rotate around a rotating shaft in a reciprocating way; one chamber is communicated with the sample gas inlet, and the other chamber is communicated with the back-blowing gas outlet; the first chamber and the second chamber are both provided with filter sheets; the first chamber and the second chamber are also connected with the sampling pipe and the blowback pipe through a first electromagnetic valve and a second electromagnetic valve respectively. Through the reciprocating rotation of the rotary filtering device, the filter sheets of the two cavities can alternately work and clean with back flushing, the continuous sampling work of the sample gas is ensured, the probe rod is prevented from being blocked, and the working strength of workers is reduced.
Description
Technical Field
The invention relates to a smoke sampling probe rod.
background
with the increasing awareness of environmental protection, the requirement for monitoring air pollution in China, especially for on-line monitoring of flue gas of main flue gas emission amplifying households such as power plants, is increasing day by day. In order to respond to national policies and meet the monitoring requirements of burning tail gas, the engineering experience of the sampling probe rod in the fields of environmental monitoring, pollution control, process monitoring and the like accumulated for many years is combined, and the problems that the probe rod is frequently blocked, a filtering device on the probe rod needs to be frequently replaced and the like under the special working conditions of high temperature, high humidity, high corrosivity and the like exist in the existing flue gas sampling device are solved, so that the working intensity of workers is seriously increased, and resources are wasted.
Disclosure of Invention
Based on the defects of the existing device, the invention provides the smoke sustainable sampling probe rod, so that the smoke can be sampled sustainably.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a sustainable sampling probe rod of flue gas, characterized by includes:
The rod body is provided with a sample gas inlet and a back-blowing gas outlet;
The rotary filtering device is positioned at a sample gas inlet of the rod body, is provided with a first chamber and a second chamber which are mutually isolated, and can rotate around a rotating shaft which is horizontally arranged between the first position and the second position in a reciprocating way; when the rotary filtering device is positioned at a first position, the first chamber is communicated with the sample gas inlet, and the second chamber is communicated with the back blowing gas outlet; when the rotary filtering device is positioned at a second position, the second chamber is communicated with the sample gas inlet, and the first chamber is communicated with the back blowing gas outlet; the first chamber and the second chamber are both provided with filter sheets;
the first electromagnetic valve is a two-position three-way electromagnetic valve, one working port of the first electromagnetic valve is connected with the first cavity, and the other two working ports are respectively connected with the sampling pipe and the back flushing pipe;
The second electromagnetic valve is also a two-position three-way electromagnetic valve, one working port of the second electromagnetic valve is connected with the second chamber, and the other two working ports are respectively connected with the sampling pipe and the back flushing pipe.
the sustainable sampling probe rod of flue gas, wherein: the first solenoid valve is connected to the first chamber via a first flexible or extendable line.
The sustainable sampling probe rod of flue gas, wherein: the second solenoid valve is connected with the second chamber through a second pipeline which can be bent or stretched.
the sustainable sampling probe rod of flue gas, wherein: the sampling back-flushing controller is electrically connected with the driving motor, the first electromagnetic valve and the second electromagnetic valve respectively.
The sustainable sampling probe rod of flue gas, wherein: the sampling tube is connected to a sampling sensor. .
The sustainable sampling probe rod of flue gas, wherein: the back-blowing pipe is connected with back-blowing high-pressure air.
The sustainable sampling probe rod of flue gas, wherein: the rotary filter device also comprises a driving motor which is connected with the rotary shaft and can drive the rotary filter device to rotate in a reciprocating manner.
compared with the prior art, the invention has the beneficial effects that: through the reciprocating rotation of rotary filter device for the cassette in two cavities can work in turn and the blowback cleans, guarantees going on continuously of appearance gas sampling work, avoids the probe rod to block up, reduces staff working strength.
drawings
FIG. 1 is a schematic view of the overall structure of a sustainable smoke sampling probe according to the present invention;
fig. 2 is a gas path control schematic diagram of the smoke sustainable sampling probe rod provided by the invention.
Description of reference numerals: a rod body 1; a sample gas inlet 2; a back-blowing air outlet 3; a first chamber 4; a second chamber 5; a rotating shaft 6; a drive motor 7; a first solenoid valve 8; a first pipeline 9; a sampling tube 10; a blowback pipe 11; a second electromagnetic valve 12; a second pipe 13; the blowback controller 14 is sampled.
Detailed Description
as shown in fig. 1 and 2, the present invention provides a sustainable smoke sampling probe, including:
the rod body 1 extends into the flue, is provided with a sample gas inlet 2 for flue gas to enter and is also provided with a back-blowing gas outlet 3;
the rotary filtering device is positioned at the sample gas inlet 2 of the rod body 1, is provided with a first chamber 4 and a second chamber 5 which are mutually isolated, and can rotate around a rotating shaft 6 which is horizontally arranged between the first position and the second position in a reciprocating way; when the rotary filtering device is positioned at the first position, the first chamber 4 is communicated with the sample gas inlet 2, and the second chamber 5 is communicated with the back blowing outlet 3; when the rotary filtering device is positioned at the second position, the second chamber 5 is communicated with the sample gas inlet 2, and the first chamber 4 is communicated with the back blowing outlet 3; the first chamber 4 and the second chamber 5 are both provided with a filter disc;
The driving motor 7 is fixed on the rod body 1, is connected with the rotating shaft 6 and drives the rotary filtering device to rotate in a reciprocating manner, when the rotary filtering device rotates forwards by 180 degrees, the rotary filtering device can rotate from the second position to the first position, and then rotates backwards by 180 degrees, so that the rotary filtering device can return to the second position from the first position;
The first electromagnetic valve 8 is fixed on the rod body 1 and is a two-position three-way electromagnetic valve, one working port of the first electromagnetic valve is connected with the first chamber 4 through a bendable or extensible first pipeline 9, and the other two working ports are respectively connected with a sampling pipe 10 and a back flushing pipe 11; the sampling pipe 10 is connected to a sampling sensor, and the back-blowing pipe 11 is connected with back-blowing high-pressure gas;
The second electromagnetic valve 12 is fixed on the rod body 1 and is also a two-position three-way electromagnetic valve, one working port of the second electromagnetic valve is connected with the second chamber 5 through a second pipeline 13 which can be bent or stretched, and the other two working ports are respectively connected with the sampling pipe 10 and the back flushing pipe 11;
And the sampling and back-blowing controller 14 is fixed on the rod body 1 and is respectively electrically connected with the driving motor 7, the first electromagnetic valve 8 and the second electromagnetic valve 12 to control the flue gas sampling and back-blowing processes.
When the invention is used, the steps are as follows:
The driving motor 7 rotates forwards by 180 degrees, so that the rotary filtering device rotates from the second position to the first position, the first chamber 4 is communicated with the sample gas inlet 2, and the second chamber 5 is communicated with the back blowing outlet 3; the first chamber 4 is communicated with a sampling pipe 10 through a first electromagnetic valve 8, and the second chamber 5 is communicated with a back flushing pipe 11 through a second electromagnetic valve 12;
At the moment, the flue gas passes through the filter disc of the first chamber 4 from the sample gas inlet 2 and enters the first chamber 4, and then enters the sampling pipe 10 through the first electromagnetic valve 8 to complete the sampling test; moreover, the back-blowing gas is led to the second chamber 5 through a back-blowing pipe 11 and a second electromagnetic valve 12, and the filter disc in the second chamber 5 is back-blown and cleaned and then is discharged from a back-blowing gas outlet 3;
after a period of time, in order to prevent the filter disc in the first chamber 4 from being blocked, the driving motor 7 rotates reversely for 180 degrees, so that the rotary filtering device rotates from the first position to the second position, the second chamber 5 is communicated with the sample gas inlet 2, and the first chamber 4 is communicated with the back-blowing gas outlet 3; the first electromagnetic valve 8 and the second electromagnetic valve 12 are switched, so that the second chamber 5 is communicated with the sampling pipe 10 through the second electromagnetic valve 12, and the first chamber 4 is communicated with the blowback pipe 11 through the first electromagnetic valve 8;
at the moment, the flue gas passes through the filter disc of the second chamber 5 from the sample gas inlet 2 and enters the second chamber 5, and then enters the sampling pipe 10 through the second electromagnetic valve 12, so that the sampling test is completed; moreover, the back-blowing gas is led to the first chamber 4 through the back-blowing pipe 11 via the first electromagnetic valve 8, and the filter disc in the first chamber 4 is back-blown and cleaned and then discharged from the back-blowing gas outlet 3;
So reciprocal for the cassette in two cavities can work in turn and the blowback cleans, guarantees going on continuously of appearance gas sampling work, avoids the probe rod to block up, reduces staff working strength.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. the utility model provides a sustainable sampling probe rod of flue gas, characterized by includes:
The rod body is provided with a sample gas inlet and a back-blowing gas outlet;
The rotary filtering device is positioned at a sample gas inlet of the rod body, is provided with a first chamber and a second chamber which are mutually isolated, and can rotate around a rotating shaft which is horizontally arranged between the first position and the second position in a reciprocating way; when the rotary filtering device is positioned at a first position, the first chamber is communicated with the sample gas inlet, and the second chamber is communicated with the back blowing gas outlet; when the rotary filtering device is positioned at a second position, the second chamber is communicated with the sample gas inlet, and the first chamber is communicated with the back blowing gas outlet; the first chamber and the second chamber are both provided with filter sheets;
The first electromagnetic valve is a two-position three-way electromagnetic valve, one working port of the first electromagnetic valve is connected with the first cavity, and the other two working ports are respectively connected with the sampling pipe and the back flushing pipe;
The second electromagnetic valve is also a two-position three-way electromagnetic valve, one working port of the second electromagnetic valve is connected with the second chamber, and the other two working ports are respectively connected with the sampling pipe and the back flushing pipe.
2. the sustainable smoke sampling probe of claim 1, wherein: the first solenoid valve is connected to the first chamber via a first flexible or extendable line.
3. The sustainable smoke sampling probe of claim 1, wherein: the second solenoid valve is connected with the second chamber through a second pipeline which can be bent or stretched.
4. the sustainable smoke sampling probe of claim 1, wherein: the sampling back-flushing controller is electrically connected with the driving motor, the first electromagnetic valve and the second electromagnetic valve respectively.
5. The sustainable smoke sampling probe of claim 1, wherein: the sampling tube is connected to a sampling sensor.
6. The sustainable smoke sampling probe of claim 1, wherein: the back-blowing pipe is connected with back-blowing high-pressure air.
7. the sustainable smoke sampling probe of claim 1, wherein: the rotary filter device also comprises a driving motor which is connected with the rotary shaft and can drive the rotary filter device to rotate in a reciprocating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582934.9A CN110579378A (en) | 2018-06-07 | 2018-06-07 | sustainable sampling probe rod of flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582934.9A CN110579378A (en) | 2018-06-07 | 2018-06-07 | sustainable sampling probe rod of flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110579378A true CN110579378A (en) | 2019-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810582934.9A Pending CN110579378A (en) | 2018-06-07 | 2018-06-07 | sustainable sampling probe rod of flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110579378A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779466A (en) * | 1986-04-29 | 1988-10-25 | Voest-Alpine Aktiengesellschaft | Method and apparatus for continuously taking a hot gas sample to be analyzed from a reaction chamber |
| US20070137316A1 (en) * | 2005-12-19 | 2007-06-21 | Naohito Shimizu | Sample treatment apparatus and sample measurement apparatus providing it |
| CN201222065Y (en) * | 2008-07-16 | 2009-04-15 | 索纪文 | Continuous sampling gas analysis system and probe telescoping sampling apparatus |
| CN202582956U (en) * | 2012-04-13 | 2012-12-05 | 中国矿业大学 | High-temperature and high-dust gas and ash content sampling device |
| RU125087U1 (en) * | 2012-09-04 | 2013-02-27 | Закрытое акционерное общество "Научно-исследовательский и конструкторский институт центробежных и роторных компрессоров им. В.Б. Шнеппа" | FILTERING DEVICE |
| CN205808780U (en) * | 2016-07-05 | 2016-12-14 | 浙江创源环境科技股份有限公司 | A kind of blowback system |
| CN206705676U (en) * | 2017-03-31 | 2017-12-05 | 新兴铸管股份有限公司 | A kind of low pressure nitrogen penetrates into a mouthful blowback system |
| CN208520659U (en) * | 2018-06-07 | 2019-02-19 | 北京航天益来电子科技有限公司 | The sustainable sampling feeler lever of flue gas |
-
2018
- 2018-06-07 CN CN201810582934.9A patent/CN110579378A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779466A (en) * | 1986-04-29 | 1988-10-25 | Voest-Alpine Aktiengesellschaft | Method and apparatus for continuously taking a hot gas sample to be analyzed from a reaction chamber |
| US20070137316A1 (en) * | 2005-12-19 | 2007-06-21 | Naohito Shimizu | Sample treatment apparatus and sample measurement apparatus providing it |
| CN201222065Y (en) * | 2008-07-16 | 2009-04-15 | 索纪文 | Continuous sampling gas analysis system and probe telescoping sampling apparatus |
| CN202582956U (en) * | 2012-04-13 | 2012-12-05 | 中国矿业大学 | High-temperature and high-dust gas and ash content sampling device |
| RU125087U1 (en) * | 2012-09-04 | 2013-02-27 | Закрытое акционерное общество "Научно-исследовательский и конструкторский институт центробежных и роторных компрессоров им. В.Б. Шнеппа" | FILTERING DEVICE |
| CN205808780U (en) * | 2016-07-05 | 2016-12-14 | 浙江创源环境科技股份有限公司 | A kind of blowback system |
| CN206705676U (en) * | 2017-03-31 | 2017-12-05 | 新兴铸管股份有限公司 | A kind of low pressure nitrogen penetrates into a mouthful blowback system |
| CN208520659U (en) * | 2018-06-07 | 2019-02-19 | 北京航天益来电子科技有限公司 | The sustainable sampling feeler lever of flue gas |
Non-Patent Citations (1)
| Title |
|---|
| 赵慧颖: "浅谈高炉在线检测技术在本钢炼铁厂的应用", 本钢技术, no. 06, 25 December 2008 (2008-12-25), pages 12 - 15 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 100070 room 1503, 15th floor, building 1, yard 1, Haiying Road, Fengtai District, Beijing Applicant after: CHINA YILAI AEROSPACE ELECTRONICS Co.,Ltd. Address before: 100073 shanpo Village Industrial Park, Wangzuo Town, Fengtai District, Beijing Applicant before: CHINA YILAI AEROSPACE ELECTRONICS Co.,Ltd. |
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| CB02 | Change of applicant information |