CN203551340U - Low temperature resistant flue gas sampling probe - Google Patents
Low temperature resistant flue gas sampling probe Download PDFInfo
- Publication number
- CN203551340U CN203551340U CN201320764559.2U CN201320764559U CN203551340U CN 203551340 U CN203551340 U CN 203551340U CN 201320764559 U CN201320764559 U CN 201320764559U CN 203551340 U CN203551340 U CN 203551340U
- Authority
- CN
- China
- Prior art keywords
- filter core
- sampling
- flue gas
- thermal insulation
- insulation casing
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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 - Lifetime
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 92
- 239000000523 sample Substances 0.000 title claims abstract description 52
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 32
- 235000014676 Phragmites communis Nutrition 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 2
- 238000004868 gas analysis Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000779 smoke Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a low temperature resistant flue gas sampling probe which comprises a sampling unit and a filter, wherein the sampling unit is communicated with the filter. The filter comprises a filter element (16), a filter element casing (9), a second temperature control device, a sampling port (11) and a gas back-blowing port (15). The filter element (16) is disposed in a cavity of the filter element casing (9), and the second temperature control device is used for controlling the temperature in the cavity of the filter element casing (9). The gas back-blowing port (15) is communicated with the cavity of the filter element casing (9), and the sampling port (11) is communicated with the filter element (16). The low temperature resistant flue gas sampling probe is especially suitable for cold regions, and prevents water vapor in flue gas from being condensed in the sampling probe, therefore, the service life of the sampling probe is prolonged, and the flue gas analysis accuracy is improved.
Description
Technical field
The utility model relates to a kind of flue gas sampling probe, is specifically related to a kind of low temperature resistant flue gas sampling probe.
Background technology
Industrial smoke usually contains the objectionable impuritiess such as sulphur, therefore, and need to be to being just discharged in atmosphere after its purified treatment.Therefore, need to carry out Real-Time Monitoring to flue gas.In prior art, conventionally adopt following methods: by flue gas sampling probe, gather the flue gas in chimney, then sampling probe is transferred to the flue gas collecting in smoke gas analysis equipment, by smoke gas analysis equipment, detect harmful substances from flue gases content and whether exceed standard.
In said process, mainly there is following problem: because the flue-gas temperature in chimney is higher, generally 100 ℃ of left and right, and often contain certain water vapour, therefore, the flue gas that arrives sampling probe is met the cold water droplet that is easily condensed into, on the one hand, in flue gas, harmful gas may be dissolved in water droplet, causes the smoke components that arrives smoke gas analysis equipment to change, and has reduced accuracy of detection; On the other hand, the water droplet that contains objectionable impurities condensing has certain corrosive attack to sampling probe, and then has shortened the serviceable life of sampling probe; If water droplet is more, can there is the situation that sampling probe stops up.
Utility model content
The defect existing for prior art, the utility model provides a kind of low temperature resistant flue gas sampling probe, is especially applicable to being applied to cold district, and waterproof flue gas condenses in sampling probe, thereby both extended the serviceable life of sampling probe, improved again flue gas analysis precision.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of low temperature resistant flue gas sampling probe, comprising: sampling unit and filtrator, and described sampling unit is communicated with described filtrator; Described sampling unit comprises: sampling pipe (1), thermal insulation casing (17) and the first attemperating unit; Described sampling pipe (1) is arranged in the inner chamber of described thermal insulation casing (17), and meanwhile, the openend of described sampling pipe (1) extends to space outerpace through the end cap of described thermal insulation casing (17); Described the first attemperating unit is used for controlling the temperature of described thermal insulation casing (17) chamber;
Described filtrator comprises: filter core (16), filter core sleeve pipe (9), the second attemperating unit, thief hatch (11) and gas back blow port (15); Described filter core (16) is arranged in the inner chamber of described filter core sleeve pipe (9), and described the second attemperating unit is used for controlling the temperature of described filter core sleeve pipe (9) chamber; Described blow-back mouth (15) is communicated with the inner chamber of described filter core sleeve pipe (9), and described thief hatch (11) is communicated with described filter core (16).
Preferably, described the first attemperating unit comprises: the first temp probe (4), first heater (3) and the first temperature controller (14); Described first heater (3) and described the first temp probe (4) are all arranged in described thermal insulation casing (17) chamber, and described the first temperature controller (14) is arranged at the outside of described thermal insulation casing (17); The output terminal of described the first temp probe (4) is connected to the input end of described the first temperature controller (14), and the output terminal of described the first temperature controller (14) is connected to the input end of described first heater (3).
Preferably, described the second attemperating unit comprises: the second temp probe (7), secondary heating mechanism (8) and the second temperature controller (13); Described secondary heating mechanism (8) and described the second temp probe (7) are all arranged in described filter core sleeve pipe (9) chamber, and described the second temperature controller (13) is arranged at the outside of described filter core sleeve pipe (9); The output terminal of described the second temp probe (7) is connected to the input end of described the second temperature controller (13), and the output terminal of described the second temperature controller (13) is connected to the input end of described secondary heating mechanism (8).
Preferably, described sampling unit also comprises: be fixedly mounted on the thermal insulation casing flange (5) of described thermal insulation casing (17) end, and, be fixedly mounted on the sampling pipe flange (6) of described sampling pipe (1) end; Described thermal insulation casing flange (5) is closely fixed together with described sampling pipe flange (6).
Preferably, the end cap of described thermal insulation casing (17) and described sampling pipe (1) contact portion are by seal (2) sealing.
Preferably, described filtrator also comprises: filter core band reed flange (10) and the outer screw (12) of buckleing; Described filter core (16) is installed on described filter core band reed flange (10) by described outer button screw (12); The end of described filter core sleeve pipe (9) is also installed on described filter core band reed flange (10).
Preferably, described thief hatch (11) is communicated with described filter core (16) through described filter core band reed flange (10).
Preferably, be provided with 4 screw holes on described filter core band reed flange (10), the end of described filter core sleeve pipe (9) is installed on described filter core band reed flange (10) by described 4 screw holes.
The low temperature resistant flue gas sampling probe that the utility model provides has the following advantages:
(1) at sampling pipe environment of living in, attemperating unit is set, the aqueous vapor condensation of carrying in the inner tube smoke that prevents from sampling, thus both extended serviceable life of sampling probe, improved again flue gas analysis precision.
(2) in filtrator, be provided with attemperating unit simultaneously, further prevent the aqueous vapor condensation of carrying in flue gas.
(3) at the sheathed thermal insulation casing in sampling pipe outside, the flue gas collecting by sampling pipe opening enters in the sampling pipe having heated immediately, prevents that cold district flue gas from also not having collected just icing, and then the situation generation of stopping up sampling pipe.
Accompanying drawing explanation
The low temperature resistant flue gas sampling probe structural representation that Fig. 1 provides for the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
As shown in Figure 1, the utility model provides a kind of low temperature resistant flue gas sampling probe, comprising: sampling unit and filtrator, and sampling unit is communicated with filtrator; Sampling unit comprises: sampling pipe 1, thermal insulation casing 17 and the first attemperating unit; Sampling pipe 1 is arranged in the inner chamber of thermal insulation casing 17, and meanwhile, the openend of sampling pipe 1 extends to space outerpace through the end cap of thermal insulation casing 17; The first attemperating unit is for controlling the temperature of thermal insulation casing 17 chambers; Sampling unit also comprises: be fixedly mounted on the thermal insulation casing flange 5 of thermal insulation casing 17 ends, and, be fixedly mounted on the sampling pipe flange 6 of sampling pipe 1 end; Thermal insulation casing flange 5 is closely fixed together with sampling pipe flange 6.The end cap of thermal insulation casing 17 and sampling pipe 1 contact portion seal by seal 2.
Filtrator comprises: filter core 16, filter core sleeve pipe 9, the second attemperating unit, thief hatch 11 and gas back blow port 15; Filter core 16 is arranged in the inner chamber of filter core sleeve pipe 9, and the second attemperating unit is for controlling the temperature of filter core sleeve pipe 9 chambers; Blow-back mouth 15 is communicated with the inner chamber of filter core sleeve pipe 9, and described thief hatch 11 is communicated with filter core 16.Filtrator also comprises: filter core band reed flange 10 and the outer screw 12 of buckleing; Filter core 16 is installed on filter core band reed flange 10 by outer button screw 12; The end of filter core sleeve pipe 9 is also installed on filter core band reed flange 10.Thief hatch 11 is communicated with filter core 16 through filter core band reed flange 10.On filter core band reed flange 10, be provided with 4 screw holes, the end of filter core sleeve pipe 9 is installed on filter core band reed flange 10 by 4 screw holes.
Wherein, the first attemperating unit comprises: the first temp probe 4, first heater 3 and the first temperature controller 14; First heater 3 and the first temp probe 4 are all arranged in thermal insulation casing 17 chambers, and the first temperature controller 14 is arranged at the outside of thermal insulation casing 17; The output terminal of the first temp probe 4 is connected to the input end of the first temperature controller 14, and the output terminal of the first temperature controller 14 is connected to the input end of first heater 3.
The second attemperating unit comprises: the second temp probe 7, secondary heating mechanism 8 and the second temperature controller 13; Secondary heating mechanism 8 and the second temp probe 7 are all arranged in filter core sleeve pipe 9 chambers, and the second temperature controller 13 is arranged at the outside of filter core sleeve pipe 9; The output terminal of the second temp probe 7 is connected to the input end of the second temperature controller 13, and the output terminal of the second temperature controller 13 is connected to the input end of secondary heating mechanism 8.
The principle of work of the low temperature resistant flue gas sampling probe that the utility model provides is:
(1) before sampling starts, start the first attemperating unit and the second attemperating unit, under the automatic control of the first attemperating unit, sampling pipe 1 is heated and maintains a stationary temperature, can free setting temperature according to regional disparity, for example: 140 ℃; Meanwhile, under the automatic control of the second attemperating unit, make filtrator inner chamber be heated and maintain a stationary temperature, for example: 140 ℃; Meanwhile, in sampling process, the first attemperating unit and the second attemperating unit are worked equally like this;
(2) flue gas enters sampling pipe, through heated sampling pipe, arrives heated filtrator, and filter element filters out big particle thing in flue gas.Be generally the particle that is less than 0.2um, can enter analysis meter by thief hatch.Filter element filtering particle object is: prevent that particle from entering analytical instrument internal damage equipment.
In addition, under sampling probe off working state, by blow-back mouth, to sampling pipe is inner, blow, for clearing up sampling pipe, the particle in sampling pipe or dust etc. are blown out, prevent that sampling pipe is blocked.
The low temperature resistant flue gas sampling probe that the utility model provides has the following advantages:
(1) at sampling pipe environment of living in, attemperating unit is set, the aqueous vapor condensation of carrying in the inner tube smoke that prevents from sampling, thus both extended serviceable life of sampling probe, improved again flue gas analysis precision.
(2) in filtrator, be provided with attemperating unit simultaneously, further prevent the aqueous vapor condensation of carrying in flue gas.
(3) at the sheathed thermal insulation casing in sampling pipe outside, the flue gas collecting by sampling pipe opening enters in the sampling pipe having heated immediately, prevents that cold district flue gas from also not having collected just icing, and then the situation generation of stopping up sampling pipe.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.
Claims (8)
1. a low temperature resistant flue gas sampling probe, is characterized in that, comprising: sampling unit and filtrator, and described sampling unit is communicated with described filtrator; Described sampling unit comprises: sampling pipe (1), thermal insulation casing (17) and the first attemperating unit; Described sampling pipe (1) is arranged in the inner chamber of described thermal insulation casing (17), and meanwhile, the openend of described sampling pipe (1) extends to space outerpace through the end cap of described thermal insulation casing (17); Described the first attemperating unit is used for controlling the temperature of described thermal insulation casing (17) chamber;
Described filtrator comprises: filter core (16), filter core sleeve pipe (9), the second attemperating unit, thief hatch (11) and gas back blow port (15); Described filter core (16) is arranged in the inner chamber of described filter core sleeve pipe (9), and described the second attemperating unit is used for controlling the temperature of described filter core sleeve pipe (9) chamber; Described blow-back mouth (15) is communicated with the inner chamber of described filter core sleeve pipe (9), and described thief hatch (11) is communicated with described filter core (16).
2. low temperature resistant flue gas sampling probe according to claim 1, is characterized in that, described the first attemperating unit comprises: the first temp probe (4), first heater (3) and the first temperature controller (14); Described first heater (3) and described the first temp probe (4) are all arranged in described thermal insulation casing (17) chamber, and described the first temperature controller (14) is arranged at the outside of described thermal insulation casing (17); The output terminal of described the first temp probe (4) is connected to the input end of described the first temperature controller (14), and the output terminal of described the first temperature controller (14) is connected to the input end of described first heater (3).
3. low temperature resistant flue gas sampling probe according to claim 1, is characterized in that, described the second attemperating unit comprises: the second temp probe (7), secondary heating mechanism (8) and the second temperature controller (13); Described secondary heating mechanism (8) and described the second temp probe (7) are all arranged in described filter core sleeve pipe (9) chamber, and described the second temperature controller (13) is arranged at the outside of described filter core sleeve pipe (9); The output terminal of described the second temp probe (7) is connected to the input end of described the second temperature controller (13), and the output terminal of described the second temperature controller (13) is connected to the input end of described secondary heating mechanism (8).
4. low temperature resistant flue gas sampling probe according to claim 1, it is characterized in that, described sampling unit also comprises: the thermal insulation casing flange (5) that is fixedly mounted on described thermal insulation casing (17) end, and, be fixedly mounted on the sampling pipe flange (6) of described sampling pipe (1) end; Described thermal insulation casing flange (5) is closely fixed together with described sampling pipe flange (6).
5. low temperature resistant flue gas sampling probe according to claim 1, is characterized in that, the end cap of described thermal insulation casing (17) and described sampling pipe (1) contact portion are by seal (2) sealing.
6. low temperature resistant flue gas sampling probe according to claim 1, is characterized in that, described filtrator also comprises: filter core band reed flange (10) and the outer screw (12) of buckleing; Described filter core (16) is installed on described filter core band reed flange (10) by described outer button screw (12); The end of described filter core sleeve pipe (9) is also installed on described filter core band reed flange (10).
7. low temperature resistant flue gas sampling probe according to claim 6, is characterized in that, described thief hatch (11) is communicated with described filter core (16) through described filter core band reed flange (10).
8. low temperature resistant flue gas sampling probe according to claim 6, it is characterized in that, on described filter core band reed flange (10), be provided with 4 screw holes, the end of described filter core sleeve pipe (9) is installed on described filter core band reed flange (10) by described 4 screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764559.2U CN203551340U (en) | 2013-11-27 | 2013-11-27 | Low temperature resistant flue gas sampling probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764559.2U CN203551340U (en) | 2013-11-27 | 2013-11-27 | Low temperature resistant flue gas sampling probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551340U true CN203551340U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320764559.2U Expired - Lifetime CN203551340U (en) | 2013-11-27 | 2013-11-27 | Low temperature resistant flue gas sampling probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203551340U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016133351A (en) * | 2015-01-16 | 2016-07-25 | 日本写真印刷株式会社 | Gas detector |
| CN105865854A (en) * | 2016-05-27 | 2016-08-17 | 北方民族大学 | Water cooling sampling gun of drop tube furnace |
| CN105973654A (en) * | 2016-07-14 | 2016-09-28 | 成都市倍诚分析技术有限公司 | Full-automatic sampling device |
| CN109459531A (en) * | 2018-11-12 | 2019-03-12 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Residual oxygen analysis system |
| CN110220754A (en) * | 2019-07-05 | 2019-09-10 | 上海华川环保科技有限公司 | A kind of high-temperature flue gas heating sampling probe |
| CN111226104A (en) * | 2017-10-16 | 2020-06-02 | 株式会社岛津制作所 | Gas sampling probe and flue gas analyzer with same |
| CN111650332A (en) * | 2020-04-30 | 2020-09-11 | 新疆天熙环保科技有限公司 | Flue gas collection and analysis method |
| CN113008749A (en) * | 2021-03-17 | 2021-06-22 | 南京传积兴自动化科技有限公司 | Ultra-low temperature formula smoke detection system of breathing in |
-
2013
- 2013-11-27 CN CN201320764559.2U patent/CN203551340U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016133351A (en) * | 2015-01-16 | 2016-07-25 | 日本写真印刷株式会社 | Gas detector |
| CN105865854A (en) * | 2016-05-27 | 2016-08-17 | 北方民族大学 | Water cooling sampling gun of drop tube furnace |
| CN105973654A (en) * | 2016-07-14 | 2016-09-28 | 成都市倍诚分析技术有限公司 | Full-automatic sampling device |
| CN105973654B (en) * | 2016-07-14 | 2019-03-22 | 成都市倍诚分析技术有限公司 | A kind of Full-automatic picking sampling device |
| CN111226104A (en) * | 2017-10-16 | 2020-06-02 | 株式会社岛津制作所 | Gas sampling probe and flue gas analyzer with same |
| CN111226104B (en) * | 2017-10-16 | 2023-07-25 | 株式会社岛津制作所 | Gas sampling probe and flue gas analysis device provided with same |
| CN109459531A (en) * | 2018-11-12 | 2019-03-12 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Residual oxygen analysis system |
| CN110220754A (en) * | 2019-07-05 | 2019-09-10 | 上海华川环保科技有限公司 | A kind of high-temperature flue gas heating sampling probe |
| CN111650332A (en) * | 2020-04-30 | 2020-09-11 | 新疆天熙环保科技有限公司 | Flue gas collection and analysis method |
| CN113008749A (en) * | 2021-03-17 | 2021-06-22 | 南京传积兴自动化科技有限公司 | Ultra-low temperature formula smoke detection system of breathing in |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100101 Beijing city Chaoyang District Anxiang, No. 11 B block 2 layer Patentee after: CHINA SCIENCE MAPUNIVERSE TCHNDOGY Co.,Ltd. Address before: 100101 Beijing city Chaoyang District Anxiang, No. 11 B block 2 layer Patentee before: CHINA SCIENCES MAPUNIVERSE TECHNOLOGY CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |