CN101561368A - Multidirectional air admission compound sampling gun head - Google Patents
Multidirectional air admission compound sampling gun head Download PDFInfo
- Publication number
- CN101561368A CN101561368A CNA2008100274631A CN200810027463A CN101561368A CN 101561368 A CN101561368 A CN 101561368A CN A2008100274631 A CNA2008100274631 A CN A2008100274631A CN 200810027463 A CN200810027463 A CN 200810027463A CN 101561368 A CN101561368 A CN 101561368A
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- China
- Prior art keywords
- gun head
- sampling gun
- air admission
- sampling
- flue gas
- Prior art date
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Abstract
The invention relates to a multidirectional air admission compound sampling gun head, in particular to a part which is formed by the way that a plurality of air admission grooves or air admission holes can be directly excavated on circular tube of the sampling gun head or the circumference of the front end of a sampling gun rod and a stainless steel net and a glass fiber filter felt are simultaneously placed.
Description
Affiliated technical field
The present invention relates to the flue gas sampler or the flue gas analyzer of the flue gas sampling of environmental monitoring field, especially a kind of sampling gun head.
Background technology
At present, flue gas sampler of Shi Yonging or flue gas analyzer all are furnished with the sampling rifle (imported product also is translated into " probe ") that inserts the flue gaging hole from the flue sampling of bleeding in the industry, and sampling rifle fore-end is called sampling gun head.For the dust in the filtering flue gas, sampling gun head all is equipped with filtering material, as: stainless steel cloth, glass fibre, micropore ceramics ... Deng.Filtering material generally is installed at the xsect of gun barrel, as shown in Figure 1; What have makes the concavity filter cylinder, to strengthen the air inlet area, shown in figure two.In the gas production process, they all are that folk prescription is to air inlet.Dust content is higher in flue gas, or gas production time when longer, and blockage phenomenon causes the gas production flow to descend easily.And flue gas sampler or flue gas analyzer often require constant gas production flow.If contain coal tar in the flue gas, stopping up can be more serious, even blocks.
In addition, experience shows, what filtering material that don't work is attempted flue dust is kept off in a place, always results in blockage easily.For example, the micropore ceramic filter head of German TESTO flue gas analyzer, or the fine and close stainless steel cloth of 800 purposes, hole is very little, attempts the thickness flue dust is once blocked, and the result is easy to stop up.
Summary of the invention
In order to overcome the shortcoming of existing sampling gun head, the invention provides a kind of structure of multidirectional air admission, a plurality of air inlet ducts of excavation or air admission hole on the periphery of gun barrel make that flue gas can enter from a plurality of directions in the gas production process.In addition, lay 200 order stainless steel cloths and glass fibre filter felt simultaneously at sampling gun head, realize combined filtration: thicker dust is blocked in outside the stainless steel cloth, and thinner dust sees through stainless steel cloth, but is blocked by the glass fibre filter felt.
Technical scheme
Excavate a plurality of air inlet ducts or air admission hole at the sampling gun head pipe or on the periphery of the barral of a gun front end of directly sampling.
The invention has the beneficial effects as follows, flue gas sampler or flue gas analyzer are in sampling process, flue gas enters sampling gun head from a plurality of directions, dust content is higher in flue gas, or the gas production time is when longer, only air inlet duct or the air admission hole in face of airflow direction stops up, and air inlet duct or air admission hole that other direction is particularly carried airflow direction keep unimpeded.In addition, the glass fibre filter felt is alternative to be used: when smoke moisture was relatively lower than higher and temperature, flue dust was less relatively, should not put filter felt, in case dewfall absorption sulphuric dioxide on the filter felt causes the sulphuric dioxide test on the low side.
Description of drawings
Fig. 1 is that other sampling gun head xsect installs the filtering material synoptic diagram additional
Wherein: 1.---filtering material (as stainless steel cloth, glass fibre filter felt)
2.---the sampling barral of a gun
Fig. 2 is that other sampling gun head xsect installs the filter cylinder synoptic diagram additional
Wherein: 1.---the concavity filter cylinder
2.---the sampling barral of a gun
Fig. 3 is a multidirectional air admission compound sampling gun head outside drawing of the present invention
Wherein: 1.---uniform 6 air inlet ducts of periphery, liner 200 order stainless steel cloths
2.---filter felt chamber (interior xsect is laid glass fibre filter felt disk)
3.---the sampling barral of a gun
Fig. 4 is a multidirectional air admission compound sampling gun head real work synoptic diagram of the present invention
Wherein: 1.---flue
2.---airflow direction
3.---multidirectional air admission compound sampling gun head
4.---flue gas analyzer
The present invention is further described below in conjunction with drawings and Examples.
Embodiment
Process sampling gun head according to Fig. 3, liner 200 order stainless steel cloths, though when smoke moisture when not high or humidity high temperature is greater than 120 ℃, can be at the indoor glass fibre filter felt disk that installs additional of filter felt.With the sampling gun head sampling barral of a gun of screwing on, insert flue from gaging hole, referring to Fig. 4.After flue gas sampler or flue gas analysis started aspiration pump, flue gas entered sampling gun head from a plurality of directions.Along with the growth of time, dust accumulates gradually and increases, but only more in face of the air inlet duct or the air admission hole dust accretions of airflow direction, and other direction is particularly carried the air inlet duct of airflow direction or air admission hole dust accretions seldom.
Even if when being blocked in outer a lot of of stainless steel cloth, still have the space between the dust of accumulation, unlikely blocking than cinder dirt; After thinner dust sees through stainless steel cloth, then by the glass fibre filter felt stop, filtering.When tiny, the effect of this combined filtration is especially obvious when the dust in the flue gas is dry.
The present invention cooperates practical 6 years with my utility model patent ZL02272211.4 " integrated flue gas analyser ", prove that this is to prevent that flue dust from stopping up the resulting structure of gas production path.
Claims (3)
1. sampling gun head, it is characterized in that: flue gas can enter from a plurality of directions.
2. sampling gun head according to claim 1 is characterized in that: at a plurality of direction excavation air inlet ducts or the air admission hole of sampling barral of a gun nose circle side face.
3. sampling gun head according to claim 1 is characterized in that: can lay stainless steel cloth and glass fibre filter felt simultaneously or the two only adorns one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100274631A CN101561368A (en) | 2008-04-16 | 2008-04-16 | Multidirectional air admission compound sampling gun head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100274631A CN101561368A (en) | 2008-04-16 | 2008-04-16 | Multidirectional air admission compound sampling gun head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101561368A true CN101561368A (en) | 2009-10-21 |
Family
ID=41220264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100274631A Pending CN101561368A (en) | 2008-04-16 | 2008-04-16 | Multidirectional air admission compound sampling gun head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101561368A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252873A (en) * | 2011-04-29 | 2011-11-23 | 山西省电力公司电力科学研究院 | Anti-adhesion sampling head of soot sampling gun |
| CN102274764A (en) * | 2011-05-19 | 2011-12-14 | 广州市丰华生物工程有限公司 | Anti-clogging pipette tip, and use of anti-clogging pipette tip in in-vitro diagnosis kit |
| CN103331063A (en) * | 2013-07-17 | 2013-10-02 | 国家电网公司 | Filter system for flue gas sampling gun |
| CN107588992A (en) * | 2016-07-07 | 2018-01-16 | 天津双允环保科技有限公司 | One kind is improved to wait Powered Air sampling head device |
-
2008
- 2008-04-16 CN CNA2008100274631A patent/CN101561368A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252873A (en) * | 2011-04-29 | 2011-11-23 | 山西省电力公司电力科学研究院 | Anti-adhesion sampling head of soot sampling gun |
| CN102252873B (en) * | 2011-04-29 | 2012-10-10 | 山西省电力公司电力科学研究院 | Anti-adhesion sampling head of soot sampling gun |
| CN102274764A (en) * | 2011-05-19 | 2011-12-14 | 广州市丰华生物工程有限公司 | Anti-clogging pipette tip, and use of anti-clogging pipette tip in in-vitro diagnosis kit |
| CN103331063A (en) * | 2013-07-17 | 2013-10-02 | 国家电网公司 | Filter system for flue gas sampling gun |
| CN103331063B (en) * | 2013-07-17 | 2014-12-10 | 国家电网公司 | Filter system for flue gas sampling gun |
| CN107588992A (en) * | 2016-07-07 | 2018-01-16 | 天津双允环保科技有限公司 | One kind is improved to wait Powered Air sampling head device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091021 |