CN203365194U - Smoke sampling device - Google Patents
Smoke sampling device Download PDFInfo
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- CN203365194U CN203365194U CN 201320311311 CN201320311311U CN203365194U CN 203365194 U CN203365194 U CN 203365194U CN 201320311311 CN201320311311 CN 201320311311 CN 201320311311 U CN201320311311 U CN 201320311311U CN 203365194 U CN203365194 U CN 203365194U
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- flue dust
- stopple coupon
- section
- dust sampler
- sampler according
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Abstract
The utility model discloses a smoke sampling device which comprises a sampling tube (8) and a smoke collecting part (9), connected with each other; the sampling tube (8) comprises an outer tube (1) and a corundum lining (2) arranged in the outer tube (1). The smoke sampling device has a simple structure, and the sampling tube of the smoke sampling device comprises the corundum lining (2) so as to avoid the influence on the smoke analysis result due to reaction with high temperature flue gas.
Description
Technical field
The utility model relates to the flue gas analysis field, particularly, relates to a kind of flue dust sampler.
Background technology
In order to grasp the overall operation situation of boiler, the concentration of high-temperature smoke and particle diameter distribution situation etc. in just necessary Measurement accuracy boiler, and concentration and the particle diameter distribution situation of measurement high-temperature smoke just must be sampled the flue dust in boiler.At present, because the flue-gas temperature in boiler is high, easily and the inwall of stopple coupon react and affect the composition of the flue dust of finally obtaining, cause analysis result can't the actual response boiler in the actual conditions of flue dust, therefore, existing high-temperature smoke sampler comprises the water-cooled sampling gun, the water-cooled sampling gun comprises stopple coupon and is set in the outer water cold sleeve of stopple coupon, by controlling the flow of heat eliminating medium in water cold sleeve, make the flue-gas temperature in stopple coupon reduce, under the environment of low temperature, the chemical reaction of flue gas and stopple coupon inwall reduces greatly, but bring a problem, flue-gas temperature fall in too low rear flue gas Multiple components reach dewpoint temperature and condense on the stopple coupon inwall, increase pipe resistance and cause flue dust to stop up stopple coupon, therefore, must install at the water cold sleeve rear portion a set of electric heating equipment additional, the investment cost of this flue dust sampler is high, complex structure and size make greatly to use and are greatly limited.
The utility model content
The purpose of this utility model is to provide a kind of flue dust sampler simple in structure, and the stopple coupon of this flue dust sampler comprises the corundum liner, avoids reacting with high-temperature flue gas and affecting the analysis result to flue dust.
To achieve these goals, the utility model provides a kind of flue dust sampler, and this flue dust sampler comprises interconnective stopple coupon and flue dust collecting section, and wherein, described stopple coupon comprises outer tube and is arranged on the corundum liner in this outer tube.
Preferably, the front end of described outer tube shrinks and forms taper towards the place ahead.
Preferably, this flue dust sampler also comprises the blowback section to the direction of the front end of described stopple coupon to described sampling treacheal gas insufflation for the rear end along from described stopple coupon.
Preferably, this flue dust sampler comprises three-way pipe, the first end of this three-way pipe is connected to described stopple coupon, the second end is connected to described flue dust collecting section, the 3rd end is connected to described blowback section, be provided with the first switch valve between described the second end and described flue dust collecting section, between described the 3rd end and described blowback section, be provided with the second switch valve.
Preferably, described outer tube and described three-way pipe are steel pipe, and described outer tube and described three-way pipe are welded to connect.
Preferably, described flue dust collecting section removably is connected with described the second end; Described blowback section removably is connected with described the 3rd end.
Preferably, described flue dust collecting section is threaded with described the second end; Described blowback section is threaded with described the 3rd end.
Preferably, described blowback section comprises compressed air generator.
Preferably, described flue dust collecting section comprises cyclone separator, vacuum pump and gray container, described cyclone separator comprises draft tube, gas outlet and ash releasing tube, described draft tube is what can be communicated with described stopple coupon, described vacuum pump is connected to described gas outlet, and described gray container removably is connected to described ash releasing tube.
Preferably, the exhaust end of described vacuum pump is connected with smoke gas collecting apparatus or exhaust gas processing device.
Flue dust sampler of the present utility model comprises interconnective stopple coupon and flue dust collecting section, wherein, stopple coupon comprises the corundum liner, the corundum stable performance is difficult for reacting with the flue gas of high temperature, effectively guarantee the precision of analysis of flue dust, and reduce flue gas the erosion of stopple coupon is shortened to the serviceable life of stopple coupon, in addition, after the corundum liner is set, without water cold sleeve and electric heating equipment etc. are set again, thereby the structure that makes the flue dust sampler is simpler, cost is lower; And this flue dust sampler can also comprise for the blowback section to the sampling treacheal gas insufflation, can be when needed to purge gas in stopple coupon to be dredged in time stopple coupon, avoid flue dust to stop up stopple coupon.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
The accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms the part of instructions, is used from explanation the utility model with following embodiment one, but does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to smoke collecting device of the present utility model.
Description of reference numerals
1 outer tube 2 corundum liners
3 three-way pipe 4 second switch valves
5 cyclone separator 6 vacuum pumps
7 second switch valve 8 stopple coupons
9 flue dust collecting sections
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do contrary explanation, make " inside and outside " refer to inside and outside with respect to the profile of each parts itself; " forward and backward " left and right corresponding in Fig. 1, the front end of stopple coupon refers to the high order end of illustrated stopple coupon, and the rear end of stopple coupon refers to the low order end of illustrated stopple coupon.
The utility model provides a kind of flue dust sampler, and this flue dust sampler comprises interconnective stopple coupon 8 and flue dust collecting section 9, and wherein, described stopple coupon 8 comprises outer tube 1 and is arranged on the corundum liner 2 in this outer tube 1.
Flue dust sampler of the present utility model comprises interconnective stopple coupon 8 and flue dust collecting section 9, wherein, stopple coupon 8 comprises corundum liner 2, the corundum stable performance is difficult for reacting with the flue gas of high temperature, thereby, can effectively guarantee the stability of the interior flue dust composition of stopple coupon 8, improve the flue dust precision of analysis, make analysis result can truly reflect the situation of flue gas in boiler, and reduce flue gas the erosion of stopple coupon 8 is caused to the shortening in the serviceable life of stopple coupon 8, in addition, with the existing flue dust sampler that is provided with water cold sleeve and electric heating equipment, compare, because stopple coupon 8 of the present utility model is provided with corundum liner 2, thereby without water cold sleeve and electric heating equipment etc. are set again, the structure that makes the flue dust sampler is simpler and cost is lower.
And the front end of described outer tube 1 shrinks and forms taper towards the place ahead, stretches in boiler to facilitate the thief hole from boiler wall by stopple coupon 8.Particularly, described outer tube 1 can be steel pipe, can the front end of outer tube 1 be processed into by operations such as turning and compactings to the taper of shrinking towards the place ahead.
Preferably, described flue dust sampler also comprises the blowback section to the direction of the front end of described stopple coupon 8 to described stopple coupon 8 interior air blowings for the rear end along from described stopple coupon 8.Like this can be when needed (for example find flue dust collecting section collect the amount of smoke sample while significantly reducing) to the interior purge gas of stopple coupon 8 to be dredged in time stopple coupon 8, avoid flue dust to stop up stopple coupon 8.
Stopple coupon 8, flue dust collecting section 9 and blowback section can adopt applicable arbitrarily form to connect, for example, as a kind of simple mode, in present embodiment, described flue dust sampler comprises three-way pipe 3, the first end of this three-way pipe 3 is connected to described stopple coupon 8, the second end is connected to described flue dust collecting section 9, the 3rd end is connected to described blowback section, be provided with the first switch valve 4 between described the second end and described flue dust collecting section 9, between described the 3rd end and described blowback section, be provided with second switch valve 7.In this case, in the situation that normal sampling, by second switch valve 7 close, the first switch valve 4 opens, make flue gas flow into flue dust collecting section 9 to collect smoke sample by the second end, when stopple coupon 8 obstructions need blowback, by the first switch valve 4 close, second switch valve 7 opens, blowback section blows in smoke collecting device from the 3rd end, the direction of institute's blowing along the rear end from stopple coupon 8 to the front end of stopple coupon 8 is interior mobile at stopple coupon 8, with the flue dust that will be blocked in stopple coupon 8, from the front end of stopple coupon 8, blow out, thus dredging stopple coupon 8.
Particularly, described outer tube 1 and described three-way pipe 3 are steel pipe, and described outer tube 1 is welded to connect with described three-way pipe 3.
And preferably, described flue dust collecting section 9 removably is connected with described the second end; Described blowback section removably is connected with described the 3rd end, thereby facilitates when needed the dismounting of flue dust collecting section 9 and blowback section.
Particularly, in present embodiment, described flue dust collecting section 9 is threaded with described the second end; Described blowback section is threaded with described the 3rd end, thread connecting mode not only easy accessibility and sealing better.
In addition, described blowback section can comprise compressed air generator, and compressed air generator can the pulse with certain frequency blow to pressurized air in stopple coupon 8.
And, flue dust collecting section can adopt the applicable form arbitrarily that well known to a person skilled in the art, for example, in present embodiment, described flue dust collecting section comprises cyclone separator 5, vacuum pump 6 and gray container, and described cyclone separator 5 comprises draft tube, gas outlet and ash releasing tube, and described draft tube and described stopple coupon 8 are for being communicated with, described vacuum pump 6 is connected to described gas outlet, and described gray container removably is connected to described ash releasing tube.Under the effect of vacuum pump 6, flue gas is entered in cyclone separator 5 by draft tube with given pace, centrifugation by cyclone separator 5, flue dust in flue gas is fallen the ash releasing tube place of bottom and is drained in gray container by ash releasing tube, gas is pumped to gas outlet by vacuum pump 6 and is discharged by gas outlet, after gray container is taken off from the flue dust sampler and can obtain the flue dust sample with for analyzing and testing.
In addition, as required, the exhaust end of described vacuum pump 6 is connected with smoke gas collecting apparatus or exhaust gas processing device.
Flue dust sampler of the present utility model is simple in structure, and the flue dust sample that effectively assurance obtains can truly reflect the operating mode in boiler, significant to flow of flue gas, burning and the heat-transfer behavior optimized in large circulating fluidized bed boiler.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a flue dust sampler, this flue dust sampler comprises interconnective stopple coupon (8) and flue dust collecting section (9), it is characterized in that, described stopple coupon (8) comprises outer tube (1) and is arranged on the corundum liner (2) in this outer tube (1).
2. flue dust sampler according to claim 1, is characterized in that, the front end of described outer tube (1) shrinks and forms taper towards the place ahead.
3. flue dust sampler according to claim 1, is characterized in that, this flue dust sampler also comprises the blowback section of blowing in to the direction of the front end of described stopple coupon (8) to described stopple coupon (8) for the rear end along from described stopple coupon (8).
4. flue dust sampler according to claim 3, it is characterized in that, this flue dust sampler comprises three-way pipe (3), the first end of this three-way pipe (3) is connected to described stopple coupon (8), the second end is connected to described flue dust collecting section (9), the 3rd end is connected to described blowback section, between described the second end and described flue dust collecting section (9), is provided with the first switch valve (4), between described the 3rd end and described blowback section, is provided with second switch valve (7).
5. flue dust sampler according to claim 4, is characterized in that, described outer tube (1) and described three-way pipe (3) are steel pipe, and described outer tube (1) is welded to connect with described three-way pipe (3).
6. flue dust sampler according to claim 4, is characterized in that, described flue dust collecting section (9) removably is connected with described the second end; Described blowback section removably is connected with described the 3rd end.
7. flue dust sampler according to claim 6, is characterized in that, described flue dust collecting section (9) is threaded with described the second end; Described blowback section is threaded with described the 3rd end.
8. flue dust sampler according to claim 3, is characterized in that, described blowback section comprises compressed air generator.
9. flue dust sampler according to claim 1, it is characterized in that, described flue dust collecting section comprises cyclone separator (5), vacuum pump (6) and gray container, described cyclone separator (5) comprises draft tube, gas outlet and ash releasing tube, described draft tube is what can be communicated with described stopple coupon (8), described vacuum pump (6) is connected to described gas outlet, and described gray container removably is connected to described ash releasing tube.
10. flue dust sampler according to claim 9, is characterized in that, the exhaust end of described vacuum pump (6) is connected with smoke gas collecting apparatus or exhaust gas processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320311311 CN203365194U (en) | 2013-05-31 | 2013-05-31 | Smoke sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320311311 CN203365194U (en) | 2013-05-31 | 2013-05-31 | Smoke sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365194U true CN203365194U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320311311 Expired - Lifetime CN203365194U (en) | 2013-05-31 | 2013-05-31 | Smoke sampling device |
Country Status (1)
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| CN (1) | CN203365194U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181391A (en) * | 2015-08-07 | 2015-12-23 | 解海龙 | Method for guaranteeing realtime performance at dry dust collector ash outlet during automatic sampling |
| CN105865858A (en) * | 2016-04-20 | 2016-08-17 | 天津大学 | Sampling system for ash of exhausted gas of engine and application method of sampling system |
| CN106940261A (en) * | 2017-04-24 | 2017-07-11 | 中国汽车技术研究中心 | Device and method for directly collecting high-temperature and high-pressure tail gas |
| CN109292394A (en) * | 2018-10-25 | 2019-02-01 | 南通联振重工机械有限公司 | A kind of oscillatory type cinder transportation system |
-
2013
- 2013-05-31 CN CN 201320311311 patent/CN203365194U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181391A (en) * | 2015-08-07 | 2015-12-23 | 解海龙 | Method for guaranteeing realtime performance at dry dust collector ash outlet during automatic sampling |
| CN105181391B (en) * | 2015-08-07 | 2018-09-28 | 解海龙 | A method of ensureing real-time when dry collector ash hole samples automatically |
| CN105865858A (en) * | 2016-04-20 | 2016-08-17 | 天津大学 | Sampling system for ash of exhausted gas of engine and application method of sampling system |
| CN106940261A (en) * | 2017-04-24 | 2017-07-11 | 中国汽车技术研究中心 | Device and method for directly collecting high-temperature and high-pressure tail gas |
| CN106940261B (en) * | 2017-04-24 | 2024-01-02 | 中国汽车技术研究中心 | Device and method for directly collecting high-temperature high-pressure tail gas |
| CN109292394A (en) * | 2018-10-25 | 2019-02-01 | 南通联振重工机械有限公司 | A kind of oscillatory type cinder transportation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |