CN109030118A - Burner hearth high temperature positive ash-laden gas sampler - Google Patents
Burner hearth high temperature positive ash-laden gas sampler Download PDFInfo
- Publication number
- CN109030118A CN109030118A CN201810687174.8A CN201810687174A CN109030118A CN 109030118 A CN109030118 A CN 109030118A CN 201810687174 A CN201810687174 A CN 201810687174A CN 109030118 A CN109030118 A CN 109030118A
- Authority
- CN
- China
- Prior art keywords
- multistage
- sampling pipe
- connecting tube
- valve
- pipe
- Prior art date
- 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.)
- Granted
Links
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
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- 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
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
- G01N2001/2235—Sampling from a closed space, e.g. food package, head space over a melt, e.g. furnace
Abstract
A kind of burner hearth high temperature positive ash-laden gas sampler, it is made of fixing pipe (1), high-temperature ball valve (2), sealed connecting component (3), blowout hookup (4) and multistage sampling pipe (5), it is characterized in that: sealed connecting component (3) is made of connecting tube (3-1) and seal ball-valve (3-2), blowout hookup (4) is made of connecting tube (4-1) and end cap with holes (4-2), and multistage sampling pipe (5) is designed and is connected through a screw thread using multistage.The caliber size of blowout hookup (4) and sealed connecting component (3) is consistent with multistage sampling pipe (5) outer diameter, fixing pipe (1) vertical welding is all made of threaded connection between sealed connecting component (3), blowout hookup (4) and multistage sampling pipe (5) on the wall surface of burner hearth aperture.The present invention can pre- flue gas continuous sampling when furnace in high pressure-temperature material injection, reduce the risk of sampling blockage, guaranteeing sampling accuracy and convenience that is persistent while improving execute-in-place.
Description
Technical field:
The invention belongs to fluidized-bed combustion boiler technical field, in particular to a kind of large circulating fluidized bed boiler furnace high-temperature is just
Press ash-laden gas sampler.
Background technique:
Circulating fluidized bed boiler has extensive fuel tolerance, good load adjustment ability and utilization of ash and slag rate high
The advantages that as a kind of very promising boiler form.In recent decades, Technology of Circulating Fluidized Bed Boiler is in enlarged mistake
Make good progress in journey.In order to preferably optimize boiler operatiopn, the method using real furnace measurement (smoke sampling) is the most accurate.Cut-off
Currently, emerged in large numbers a batch be directed to smoke sampling device or method, such as " a kind of flue gas flow equalizing sampler " (publication number:
CN104132829A) preferable control has been done for the distribution of each sample point flue gas flow；" fire coal boiler fume sampler "
The method that (publication number: CN105223042A) is designed using bend pipe and drawstring, avoids the blockage problem of gas sampling probe, improves
The reliability that gas sampling probe uses.However, with the increase of fluidized-bed combustion boiler size and the raising of operating parameter, it is existing
Smoke sampling technology is difficult to overcome the difficulties and problems occurred in sampling process, is mainly manifested in: 1, lower furnace portion emulsion zone object
Expect that concentration is high, particle flow velocity is fast, bed temperature is even higher up to 950 DEG C, and common probe tube is easy to scaling loss and abrasion；2, burner hearth
Lower part positive pressure has a large amount of high-temperature flue gas in sampling process and lime-ash is gushed out up to 10kPa, influences the person peace of tester
Entirely.3, size of burner hearth increases, and the length of probe tube is increase accordingly, and scene transport uses extremely inconvenient.Therefore it is badly in need of solving high temperature
The safety of positive pressure burner hearth smoke sampling and sampler portability, versatility problem.
Summary of the invention:
The object of the invention is to it is safe and accurate to propose that one kind may be implemented in order to solve the problems, such as above-mentioned background technique
The furnace high-temperature positive pressure ash-laden gas sampler of sampling.
Burner hearth high temperature positive ash-laden gas sampler according to the present invention is connected by fixing pipe 1, high-temperature ball valve 2, sealing
Fitting 3, blowout hookup 4 and multistage sampling pipe 5 form.Wherein sealed connecting component 3 is made of connecting tube 3-1 and seal ball-valve 3-2,
Blowout hookup 4 is made of connecting tube 4-1 and end cap 4-2 with holes, and multistage sampling pipe 5 is designed and is connected through a screw thread using multistage.
The caliber size of blowout hookup 4 and sealed connecting component 3 is consistent with multistage sampling 5 outer diameters of pipe, and 1 vertical welding of fixing pipe is opened in burner hearth
On the wall surface in hole, threaded connection is all made of between sealed connecting component 3, blowout hookup 4 and multistage sampling pipe 5；Fixing pipe 1, connection
Pipe 3-1 and connecting tube 4-1 uses ordinary carbon steel material；High-temperature ball valve 2, seal ball-valve 3-2 and end cap 4-2 with holes be not using 304
Rust steel material；The temperature resistant grade of the material of multistage sampling pipe 5 reach 309 stainless steel temperature resistant grades and its more than, every segment length view
Depending on specific depth selection, internal diameter is not less than 12mm, and outer diameter is between 1.5 times to 3 times of internal diameter；Connection spiral shell between each section
Line uses standard coarse thread, and reach is not less than the 1% of this section of multistage sampling length of tube；Connecting tube 3-1 length is 150mm
~300mm, both ends are using threaded connection high-temperature ball valve 2 and seal ball-valve 3-2；Used in the aperture ratio of end cap 4-2 centre bore with holes
Big 1.5mm~the 4mm of the outer diameter of multistage sampling pipe 5, at least one end are machined with internal screw thread, and are threadedly coupled with connecting tube 4-1.
It is as follows using furnace high-temperature positive pressure ash-laden gas sampler sampling process according to the present invention: to keep high temperature ball
Valve 2 is closed, and assembled sealed connecting component 3 and blowout hookup 4 are successively installed after high-temperature ball valve 2.At this point, seal ball-valve
3-2 is in close state.When starting sampling, seal ball-valve 3-2 is opened, multistage sampling pipe 5 is inserted into the position connecting tube 3-1,
It is sure not to resist the sphere of high-temperature ball valve 2.Then high-temperature ball valve 2 is opened, multistage sampling pipe 5 is stretched into required depth and carries out flue gas
Sampling.After the completion of sampling, slowly extracts multistage sampling pipe 5 out and successively close high-temperature ball valve 2 and seal ball-valve 3-2.If necessary,
Detachably lower sealed connecting component 3 and blowout hookup 4.
The present invention has the advantage that
1, the interconnection of multistage sampling pipe can form longer probe tube in the present invention, can guarantee to depth side each in furnace
To flue gas be sampled.Multistage sampling pipe has enough rigidity simultaneously, for a long time will not in atmosphere severe in furnace
There is serious deformation and abrasion, the case where plugging will not occur.
2, the present invention uses the design of sealed connecting component and blowout prevention end cap, can effectively prevent the spray of high temperature positive material
It penetrates, air-proof condition is preferable, it is ensured that sampling safety.
3, the cooling devices such as water-cooling system have been abandoned, measuring system is simplified, operation ease greatly improves.Multistage sampling
Pipe, sealed connecting component and blowout hookup are convenient design for disassembly, have saved site space.The end cap with holes of sizes
The setting of 4-2 can adapt to the demand of different size probe tubes.
Detailed description of the invention:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the partial sectional view of multistage sampling pipe；
Fig. 3 is the structural schematic diagram of sealed connecting component；
Fig. 4 is the sectional view of end cap 4-2 with holes in the present invention.
In above-mentioned figure, 1 be fixing pipe, 2 be high-temperature ball valve, 3 be sealed connecting component, 3-1 is connecting tube, 3-2 is ball sealer
Valve, 4 be blowout hookup, 4-1 is connecting tube, 4-2 is end cap with holes, 5 is probe tube.
Specific embodiment:
Below by embodiment combination attached drawing, the present invention is further described.
Embodiment:
Its structure of burner hearth high temperature positive ash-laden gas sampler is as shown in Fig. 1-Fig. 4 involved in the present embodiment, the dress
It sets and is made of fixing pipe 1, high-temperature ball valve 2, sealed connecting component 3, blowout hookup 4 and multistage sampling pipe 5.Wherein sealed connecting component 3
It is made of connecting tube 3-1 and seal ball-valve 3-2, blowout hookup 4 is made of connecting tube 4-1 and end cap 4-2 with holes, multistage sampling pipe
5 are designed and are connected through a screw thread using multistage.The caliber size of blowout hookup 4 and sealed connecting component 3 and 5 outer diameter of multistage sampling pipe
Unanimously, 1 vertical welding of fixing pipe is on the wall surface of burner hearth aperture, between sealed connecting component 3, blowout hookup 4 and multistage sampling pipe 5
It is all made of threaded connection；Fixing pipe 1, connecting tube 3-1 and connecting tube 4-1 use ordinary carbon steel material；High-temperature ball valve 2, ball sealer
Valve 3-2 and end cap 4-2 with holes uses 304 stainless steel materials；The temperature resistant grade of the material of multistage sampling pipe 5 reaches 309 stainless steels
Temperature resistant grade and its more than；Every segment length is depending on specific depth selection, and internal diameter is not less than 12mm, and outer diameter is the 1.5 of internal diameter
Times between 3 times；Connection screw thread between each section uses standard coarse thread, and reach is not less than this section of multistage sampling pipe range
The 1% of degree；Connecting tube 3-1 length is 150mm~300mm, and both ends are using threaded connection high-temperature ball valve 2 and seal ball-valve 3-2；Band
Big 1.5mm~the 4mm of outer diameter of multistage sampling pipe 5 used in the aperture ratio of hole end cap 4-2 centre bore, at least one end are machined with interior spiral shell
Line, and be threadedly coupled with connecting tube 4-1.Fixing pipe 1, high-temperature ball valve 2, connecting tube 3-1, connecting tube 4-1, seal ball-valve 3-2, band
Hole end cap 4-2 and multistage sampling pipe 5.The multistage sampling pipe 5 is designed and is connected through a screw thread for multistage.Each component caliber size
Depending on multistage sampling pipe outside diameter, in addition to fixing pipe 1 is welded in furnace wall, remaining part is all made of threaded connection.
Before carrying out smoke sampling using the present invention, high-temperature ball valve 2 is kept to close, by seal ball-valve 3-2 and end cap with holes
4-2 is successively installed after high-temperature ball valve 2 by connecting tube 3-1,4-1.At this point, seal ball-valve 3-2 is in close state.It is multistage
5 tail portion of probe tube connects the equipment such as filter device and flue gas analyzer.When starting sampling, seal ball-valve 3-2 is opened, by multistage sampling
Pipe 5 is inserted into the position connecting tube 3-1, is sure not to resist the sphere of high-temperature ball valve 2.Then high-temperature ball valve 2 is opened, by multistage sampling pipe
5, which stretch to required depth, carries out smoke sampling.After the completion of sampling, slowly extracts multistage sampling pipe 5 out and successively close high-temperature ball valve 2
With seal ball-valve 3-2.Finally, disassembly sealed connecting component 3 and blowout hookup 4.
Preferably, the every segment length of multistage sampling pipe 5 is no more than 2000mm, and internal diameter is not less than 12mm, and outer diameter is internal diameter
Between 1.5 times to 2 times.Connection screw thread between each section uses standard coarse thread, and reach is not less than this section of multistage sampling
The 1% of length of tube.
The internal diameter of the diameter of ball valve 2 and 3-2 sphere and end cap 4-2 centre bore with holes, must be than the outer diameter of multistage sampling pipe
Big 1.5mm~4mm.
Since boiler hearth of circulating fluidized bed side wall has thicker boundary layer, a certain section depth direction of burner hearth is being carried out
Smoke sampling when, probe tube can be inserted at required depth capacity, shallow carry out smoke sampling by being deep to.
Smoke sampling and analysis, measurement process have been carried out to certain supercritical circulating fluidized bed boiler emulsion zone using the invention
Middle to spray without obvious high-temperature material, measurement result repeatability is preferably.Meanwhile the residence time in multistage sampling Guan Lu is more than
30 minutes, there is not the phenomenon that plugging and serious bend pipe.Longer sample time can evade smoke components fluctuation
It influences, improves the stability and accuracy of measurement.
Embodiment as above is only a preferred embodiment in the present invention, i.e., the present invention is not limited only to above specific reality
Apply details.Without departing from technical idea and required purpose of the invention, all technical solutions and combinations thereof, deformation in embodiment
Belong to protection category of the invention.
Claims (1)
1. burner hearth high temperature positive ash-laden gas sampler, by fixing pipe (1), high-temperature ball valve (2), sealed connecting component (3), blowout prevention
Device (4) and multistage sampling pipe (5) composition, it is characterized in that: sealed connecting component (3) is by connecting tube (3-1) and seal ball-valve (3-2)
Composition, blowout hookup (4) are made of connecting tube (4-1) and end cap with holes (4-2), and multistage sampling pipe (5) is designed simultaneously using multistage
It is connected through a screw thread.The caliber size of blowout hookup (4) and sealed connecting component (3) is consistent with multistage sampling pipe (5) outer diameter, fixed
(1) vertical welding is managed on the wall surface of burner hearth aperture, between sealed connecting component (3), blowout hookup (4) and multistage sampling pipe (5)
It is all made of threaded connection；Fixing pipe (1), connecting tube (3-1) and connecting tube (4-1) use ordinary carbon steel material；High-temperature ball valve
(2), seal ball-valve (3-2) and end cap with holes (4-2) use 304 stainless steel materials；The heatproof etc. of the material of multistage sampling pipe (5)
Grade reach 309 stainless steel temperature resistant grades and its more than；For every segment length depending on specific depth selection, internal diameter is not less than 12mm,
Outer diameter is between 1.5 times to 3 times of internal diameter；Connection screw thread between each section uses standard coarse thread, and reach is not less than
The 1% of this section of multistage sampling length of tube；Connecting tube (3-1) length is 150mm~300mm, and both ends are using threaded connection high temperature ball
Valve (2) and seal ball-valve (3-2)；The outer diameter of multistage sampling pipe (5) used in the aperture ratio of end cap (4-2) centre bore with holes is big
1.5mm~4mm, at least one end are machined with internal screw thread, and are threadedly coupled with connecting tube (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687174.8A CN109030118B (en) | 2018-06-28 | 2018-06-28 | Hearth high-temperature positive-pressure dust-containing flue gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687174.8A CN109030118B (en) | 2018-06-28 | 2018-06-28 | Hearth high-temperature positive-pressure dust-containing flue gas sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109030118A true CN109030118A (en) | 2018-12-18 |
| CN109030118B CN109030118B (en) | 2021-01-15 |
Family
ID=65520758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810687174.8A Active CN109030118B (en) | 2018-06-28 | 2018-06-28 | Hearth high-temperature positive-pressure dust-containing flue gas sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109030118B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132663A (en) * | 2019-04-29 | 2019-08-16 | 国网浙江省电力有限公司电力科学研究院 | A kind of smoke sampling auxiliary device suitable for high temperature positive flue |
| CN110411791A (en) * | 2019-07-22 | 2019-11-05 | 武汉科技大学 | A kind of particulate collection device being enriched with performance for analyzing trace element high temperature |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202207527U (en) * | 2011-09-06 | 2012-05-02 | 中冶东方工程技术有限公司 | Dust removal system for treating high-temperature dust contained flue gas |
| CN202304415U (en) * | 2011-10-27 | 2012-07-04 | 四川鑫通新材料有限责任公司 | Combustion chamber temperature control system of sintering machine |
| CN202417490U (en) * | 2011-03-09 | 2012-09-05 | 魏强龙 | Sampling blowout preventer for oil well |
| CN204804840U (en) * | 2015-06-02 | 2015-11-25 | 中国石油天然气股份有限公司 | Viscous crude thermal recovery sample instrument |
| CN205136936U (en) * | 2015-10-22 | 2016-04-06 | 中国石油天然气股份有限公司 | Blowout preventer of pipeline pipeline purging |
| CN205719673U (en) * | 2016-03-15 | 2016-11-23 | 国网江西省电力科学研究院 | A kind of station boiler portable smoke sampling assembled casing |
-
2018
- 2018-06-28 CN CN201810687174.8A patent/CN109030118B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202417490U (en) * | 2011-03-09 | 2012-09-05 | 魏强龙 | Sampling blowout preventer for oil well |
| CN202207527U (en) * | 2011-09-06 | 2012-05-02 | 中冶东方工程技术有限公司 | Dust removal system for treating high-temperature dust contained flue gas |
| CN202304415U (en) * | 2011-10-27 | 2012-07-04 | 四川鑫通新材料有限责任公司 | Combustion chamber temperature control system of sintering machine |
| CN204804840U (en) * | 2015-06-02 | 2015-11-25 | 中国石油天然气股份有限公司 | Viscous crude thermal recovery sample instrument |
| CN205136936U (en) * | 2015-10-22 | 2016-04-06 | 中国石油天然气股份有限公司 | Blowout preventer of pipeline pipeline purging |
| CN205719673U (en) * | 2016-03-15 | 2016-11-23 | 国网江西省电力科学研究院 | A kind of station boiler portable smoke sampling assembled casing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132663A (en) * | 2019-04-29 | 2019-08-16 | 国网浙江省电力有限公司电力科学研究院 | A kind of smoke sampling auxiliary device suitable for high temperature positive flue |
| CN110132663B (en) * | 2019-04-29 | 2024-02-09 | 国网浙江省电力有限公司电力科学研究院 | Flue gas sampling auxiliary device suitable for high Wen Zhengya flue |
| CN110411791A (en) * | 2019-07-22 | 2019-11-05 | 武汉科技大学 | A kind of particulate collection device being enriched with performance for analyzing trace element high temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109030118B (en) | 2021-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104749218A (en) | Device and method for testing explosion properties of flammable gases at ultralow temperature | |
| CN205138848U (en) | Be applied to multiple spot sampling device of denitration CEMS system | |
| CN105675810B (en) | A kind of monitoring method of boiler water-cooling wall high-temperature corrosion atmosphere monitoring system and high-temperature corrosion atmosphere | |
| CN109030118A (en) | Burner hearth high temperature positive ash-laden gas sampler | |
| CN104777269A (en) | Supercritical CO2 injection and coalbed methane enhanced displacement simulation test method | |
| CN101672733B (en) | High-temperature aerosol particle sampling gun | |
| CN106018002A (en) | Matrix type mixed constant-speed sampling device | |
| CN107167418A (en) | A kind of boiler water-cooling wall high-temperature corrosion on-line monitoring method and monitoring system | |
| CN203455083U (en) | Acid dew point temperature tester | |
| CN203365194U (en) | Smoke sampling device | |
| CN102443667B (en) | Tuyere raceway sampling and measuring device | |
| CN107121244A (en) | A kind of device and its detection method for detecting pyrometallurgical smelting spray gun water cooling safe practice | |
| CN106153851B (en) | A kind of detection device of imflammable gas concentration | |
| CN204008513U (en) | A kind of fire prevention testing equipment | |
| CN207741983U (en) | A kind of anti-blocking sampler of power plant stack gas system pressure | |
| CN105466645A (en) | System and method for quickly detecting air leakage factor of boiler tail flue | |
| CN204346771U (en) | Multifunctional high-temperature flue gas sampling device | |
| CN209432503U (en) | Boiler device of working medium constant-speed sampling device | |
| CN108036977A (en) | A kind of coal burning boiler of power station flue gas multi-point sampling system | |
| CN211011309U (en) | Boiler blow-down system's on-line monitoring control system | |
| CN211779063U (en) | Coal tar pitch sampling valve and online sampling system | |
| CN105300745B (en) | Adjustable boiler water cooling sampling gun apparatus and sampling method | |
| CN110681520B (en) | Quenching tower spray gun dredging device and dredging control method | |
| CN203376191U (en) | Anti-blocking air pressure sampling equipment | |
| CN104502157A (en) | Multifunctional high-temperature flue gas sampling device |
Legal Events
| 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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Xiaofeng Inventor after: Sun Sicong Inventor after: Yan Jin Inventor after: Wang Quanhai Inventor after: Kang Yinhu Inventor after: Li Jianbo Inventor after: Zheng Xiong Inventor after: Fan Xuchen Inventor after: Song Yangfan Inventor after: Guo Qiang Inventor before: Lu Xiaofeng Inventor before: Yan Jin Inventor before: Wang Quanhai Inventor before: Li Jianbo Inventor before: Zheng Xiong Inventor before: Fan Xuchen Inventor before: Song Yangfan Inventor before: Guo Qiang Inventor before: Sun Sicong |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |