CN215218212U - Flue gas detection sampling device - Google Patents
Flue gas detection sampling device Download PDFInfo
- Publication number
- CN215218212U CN215218212U CN202120500831.0U CN202120500831U CN215218212U CN 215218212 U CN215218212 U CN 215218212U CN 202120500831 U CN202120500831 U CN 202120500831U CN 215218212 U CN215218212 U CN 215218212U
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- China
- Prior art keywords
- probe
- sampling
- cavity
- flue gas
- gas
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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.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 55
- 239000003546 flue gas Substances 0.000 title claims abstract description 42
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000000523 sample Substances 0.000 claims abstract description 81
- 239000007789 gas Substances 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims 4
- 238000007791 dehumidification Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a flue gas detection sampling device, including the sampling probe, with the sampling gas outlet duct of sampling probe connection and with the communicating blowback gas intake pipe of sampling gas outlet duct, the sampling probe includes the inlet end, the probe cavity of being connected with the inlet end, is used for the probe base of fixed probe cavity, fixed venthole, screw step hole and bolt hole have been seted up at probe base center, install the probe filter core in the probe cavity the probe filter core spiral mounting is on the probe base, the probe cavity with install the heating filter layer between the inlet end, the heating filter layer package comprises two porous circular metal sheets and the filter screen that is located between two metal sheets. The utility model discloses simple structure can be to the dry dehumidification of flue gas that gets into the probe, through filter core and blowback, effectively prevents the sample thief probe jam, and the convenience is cleaned the flue gas sample thief, prolongs the life of flue gas sample thief.
Description
Technical Field
The utility model relates to a high temperature flue gas is collected and is detected technical field, concretely relates to flue gas detection sampling device.
Background
The emission of industrial flue gas is strictly in accordance with national emission standards, and the content of each pollutant in the flue gas water discharged by the industrial flue gas is mainly measured automatically by referring to a flue gas analyzer.
The flue gas analyzer is a device for continuously analyzing and measuring the contents of CO2, CO, NOx, SO2 and other flue gases by utilizing an electrochemical sensor, and is mainly used for environmental monitoring near pollution emission or pollution sources of small-sized fuel oil and gas boilers.
When analyzing the content of various pollutants in the flue gas, a proper amount of flue gas needs to be taken out from a flue gas pipeline of a boiler, fuel oil equipment and the like, and then a flue gas analyzer is used for measurement. Because there are a lot of dust particles and steam in the flue gas, consequently, after the flue gas sampling ware takes out a certain amount of flue gas from the flue gas pipeline at every turn, can remain a lot of dust particles in the flue gas sampling ware, this kind of dust particle accumulation can increase the loss of flue gas sampling ware in the flue gas sampling ware, reduces the life of flue gas sampling ware.
At present, a flue gas detection and sampling device which is simple in structure, can effectively collect high-temperature flue gas in time and remove dust and water vapor in the gas sample collection process is urgently needed.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the prior art above, the utility model provides a flue gas detection sampling device cools off high temperature flue gas, carries out accurate analysis for the flue gas gets into flue gas on-line monitoring appearance and provides suitable test condition.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a flue gas detection sampling device, includes sampling probe, the gaseous outlet duct of sampling that is connected with sampling probe and with the communicating blowback gas intake pipe of the gaseous outlet duct of sampling, sampling probe includes the inlet end, the probe cavity of being connected with the inlet end, is used for the probe base of fixed probe cavity, fixed venthole, screw step hole and bolt hole have been seted up at probe base center, install the probe filter core in the probe cavity the probe filter core spiral installation is on the probe base, the probe cavity with install the heating filter layer between the inlet end, the heating filter layer package comprises two porous circular metal sheets and the filter screen that is located between two metal sheets.
Preferably, the probe cavity is a cylindrical cavity.
Preferably, the cold air inlet end is a hemispherical cavity.
Preferably, the sampling gas outlet pipe is provided with an outlet control valve.
Preferably, the back-blowing gas inlet pipe is connected to a sampling gas outlet pipe between the gas outlet control valve and the probe base, and a back-blowing gas control valve is arranged on the back-blowing gas inlet pipe.
The utility model has the advantages of it is following:
compared with the prior art, the utility model discloses simple structure can be to the dry dehumidification of flue gas that gets into the probe, through filter core and blowback, effectively prevents the sample thief probe jam, and the convenience is cleaned the flue gas sample thief, prolongs the life of flue gas sample thief.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the sampling probe of the present invention;
fig. 3 is a cross-sectional view of the sampling probe a-a of the present invention.
Fig. 4 is the structure diagram of the utility model when the probe filter element is connected with the sampling gas outlet pipe and the back-blowing gas inlet pipe 3.
Fig. 5 is a schematic view of the probe base structure of the present invention.
Fig. 6 is a cross-sectional view of the probe base B-B of the present invention.
In the figure: 1-sampling probe, 11-air inlet end, 12-probe cavity, 13-probe base, 131-fixed air outlet, 132-screw stepped hole, 133-bolt hole, 14-probe filter element, 15-heating filter layer, 151-metal plate, 152-filter screen, 2-sampling gas outlet pipe, 21-air outlet control valve, 3-back blowing gas inlet pipe and 31-back blowing gas control valve.
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-6, the utility model provides a flue gas detection sampling device, which comprises a sampling probe 1, a sampling gas outlet pipe 2 connected with the sampling probe 1, and a back-blowing gas inlet pipe 3 communicated with the sampling gas outlet pipe 2, the sampling probe 1 comprises an air inlet end 11, a probe cavity 12 connected with the air inlet end 11, and a probe base 13 for fixing the probe cavity 12, the center 13 of the probe base is provided with a fixed air outlet 131, a screw stepped hole 132 and a bolt hole 133, the method is characterized in that: a probe filter element 14 is arranged in the probe cavity 12, the probe filter element 14 is spirally arranged on a probe base 13, a heating filter layer 15 is arranged between the probe cavity 12 and the air inlet end 11, and the heating filter layer 15 is composed of two porous circular metal plates 151 and a filter screen 152 positioned between the two metal plates.
Further, the probe cavity 12 is a cylindrical cavity.
Further, the cold air inlet end 11 is a hemispherical cavity.
Further, the sampling gas outlet pipe 2 is provided with an outlet control valve 21.
Further, the blowback gas inlet pipe 3 is connected to the sampling gas outlet pipe 2 between the gas outlet control valve 21 and the probe base 13, and the blowback gas inlet pipe 3 is provided with the blowback gas control valve 31, so that the probe of the sampler is effectively prevented from being blocked, and the dust on the outer surface of the probe filter element 14 is conveniently cleaned.
The working principle is as follows: the sampling probe 1 is inserted into the flue gas channel, the sampling probe 1 is fixed on the pipe wall of the flue gas channel by utilizing bolts to match with bolt holes 133 on the probe base 13, the gas outlet control valve 21 is started, the sampling gas outlet pipe 2 is communicated with the flue gas channel, the heating and filtering layer 15 firstly heats and filters gas preliminarily, water vapor in the filtered gas is dried by the heating and filtering layer 15 and then is further filtered by the probe filter element 14, and the secondarily filtered flue gas is input into a detection instrument from the sampling gas outlet pipe 2; after sampling, the air outlet control valve 21 is closed, the back-blowing gas control valve 31 is opened, and the high-pressure gas and the sampling gas outlet pipe 2 are communicated with the back-blowing probe filter element 14, so that the dust removal purpose is achieved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a flue gas detection sampling device, includes sampling probe (1), the gaseous outlet duct of sampling (2) be connected with sampling probe (1) and with the communicating blowback gas intake pipe (3) of gaseous outlet duct of sampling (2), sampling probe (1) is including inlet end (11), probe cavity (12) be connected with inlet end (11), probe base (13) that are used for fixed probe cavity (12), fixed venthole (131), screw step hole (132) and bolt hole (133) have been seted up at probe base (13) center, its characterized in that install probe filter core (14) in probe cavity (12) probe filter core (14) spiral installation is on probe base (13), probe cavity (12) with install heating filter layer (15) between inlet end (11), the heating filter layer package comprises two porous circular metal sheets (151) and filter screen (152) that are located between two metal sheets .
2. The smoke detection and sampling device according to claim 1, wherein: the probe cavity (12) is a cylindrical cavity.
3. The smoke detection and sampling device according to claim 1, wherein: the air inlet end head (11) is a hemispherical cavity.
4. The smoke detection and sampling device according to claim 1, wherein: the sampling gas outlet pipe (2) is provided with an outlet control valve (21).
5. The smoke detection and sampling device according to claim 4, wherein: the back-blowing gas inlet pipe (3) is connected to the sampling gas outlet pipe (2) between the gas outlet control valve (21) and the probe base (13), and a back-blowing gas control valve (31) is arranged on the back-blowing gas inlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120500831.0U CN215218212U (en) | 2021-03-09 | 2021-03-09 | Flue gas detection sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120500831.0U CN215218212U (en) | 2021-03-09 | 2021-03-09 | Flue gas detection sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215218212U true CN215218212U (en) | 2021-12-17 |
Family
ID=79442149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120500831.0U Expired - Fee Related CN215218212U (en) | 2021-03-09 | 2021-03-09 | Flue gas detection sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215218212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624070A (en) * | 2022-03-02 | 2022-06-14 | 杭州绰美科技有限公司 | Flue gas sampling probe device and back flushing method thereof |
-
2021
- 2021-03-09 CN CN202120500831.0U patent/CN215218212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624070A (en) * | 2022-03-02 | 2022-06-14 | 杭州绰美科技有限公司 | Flue gas sampling probe device and back flushing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |