CN102607904A - High temperature corrosion atmosphere monitoring device for boiler water wall - Google Patents
High temperature corrosion atmosphere monitoring device for boiler water wall Download PDFInfo
- Publication number
- CN102607904A CN102607904A CN2012100878303A CN201210087830A CN102607904A CN 102607904 A CN102607904 A CN 102607904A CN 2012100878303 A CN2012100878303 A CN 2012100878303A CN 201210087830 A CN201210087830 A CN 201210087830A CN 102607904 A CN102607904 A CN 102607904A
- Authority
- CN
- China
- Prior art keywords
- sampling probe
- communicated
- valve
- freezing device
- smoke sampling
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 230000007797 corrosion Effects 0.000 title claims abstract description 29
- 238000005260 corrosion Methods 0.000 title claims abstract description 29
- 238000012806 monitoring device Methods 0.000 title claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 46
- 239000000523 sample Substances 0.000 claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 15
- 238000007710 freezing Methods 0.000 claims description 39
- 230000008014 freezing Effects 0.000 claims description 39
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 37
- 239000003546 flue gas Substances 0.000 claims description 37
- 239000000779 smoke Substances 0.000 claims description 36
- 238000004868 gas analysis Methods 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 17
- 230000005494 condensation Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 239000003245 coal Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 2
- 239000003517 fume Substances 0.000 abstract 7
- 238000007789 sealing Methods 0.000 abstract 2
- 238000007664 blowing Methods 0.000 abstract 1
- 239000010419 fine particle Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 239000002817 coal dust Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a high temperature corrosion atmosphere monitoring device for a boiler water wall. A small end of a fume sampling probe passes through a membrane water wall, the end part of a large end is connected with a sealing cover; a screw conveyor is arranged in the fume sampling probe, one end of the screw conveyor protrudes the small end of the fume sampling probe, and the other end is connected with a speed reduction motor through the sealing cover; one end of a heat tracing pipe is communicated with the large end of the fume sampling probe, and the other end is connected with a high pressure gas source through a first filter condenser and a blow down valve; the first filter condenser is communicated with a first condensate water valve, and is further communicated with a second filter condenser through a sucking valve and a sucking pump; the second filter condenser is communicated with a second condensate water valve, and is further communicated with an inlet of a fume analyzing unit; a communicating pipeline is provided with an exhaust adjusting valve and then is communicated with an exhaust pipe. Due to that the screw conveyor is arranged in the fume sampling probe, the large particle unburned coal powder and slag are avoided from entering into the fume sampling probe, and the fine particles entering into the filter condensers are returned back to the furnace hearth by the combined action of inverse blowing and the screw conveyor; and in this way, the continuous monitoring of the high temperature corrosion atmosphere is ensured.
Description
Technical field
The present invention relates to a kind of gas ingredients monitoring device, particularly relate to a kind of boiler water-cooling wall high-temperature corrosion atmosphere monitoring device.
Background technology
The high temperature corrosion in water-cooling wall zone is meant the interior water screen tube of stove in the environment of high-temperature flue gas, the corrosion phenomena that is taken place when having high pipe surface temperature, and the high temperature corrosion in water-cooling wall zone concentrates near the burner usually.And that the most important internal cause condition that high temperature corrosion takes place is a sulfur content in the fuel is higher, and external condition is that the high pipe surface temperature of the water-cooling wall that causes of high-temperature flue gas pastes wall with pulverized coal flame, the regional high reducing atmosphere of wall.Research shows, and is all relevant with reducing atmosphere although it is numerous to influence the factor of water wall high temperature corrosion, if there is not reducing atmosphere, then the high temperature corrosion phenomenon can not take place.In recent years, along with boiler develops to the high capacity high parameter, the corresponding raising of boiler water-cooling wall temperature, so the boiler water-cooling wall high-temperature corrosion phenomenon occurs more frequently; In order to reduce the discharge capacity of NOx, mostly adopt air stage feeding or low oxygen combustion at present, thereby formed reducing atmosphere at the water-cooling wall near zone, directly caused the high temperature corrosion of boiler water wall.Water wall high temperature corrosion has constituted serious risk to the safety and economic operation of boiler unit.The reducing atmosphere monitoring is carried out in the boiler water-cooling wall high-temperature corrosion zone, helped the operations staff to pass through the burning adjustment, weaken reducing atmosphere.
Because flue-gas temperature is very high near the boiler water wall, contains a large amount of uncombusted coal dusts and clinker, cause flue gas sampling device to stop up easily, influenced the reliable continuously monitoring of high temperature corrosion atmosphere.
Summary of the invention
In order to solve the problem that exists in the background technology, the object of the present invention is to provide a kind of boiler water-cooling wall high-temperature corrosion atmosphere monitoring device, flue gas sampling device is carried out anti-blocking processing, solved the integrity problem of high temperature corrosion atmosphere monitoring.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention includes fin panel casing, smoke sampling probe, auger, gland bonnet, reducing motor, trace pipe, the first filter freezing device, blow down valve, high pressure source purge gas, the first condensation water valve, extraction valve, aspiration pump, the second filter freezing device, the second condensation water valve, flue gas analysis unit, emptying variable valve, blow-down pipe; The smoke sampling probe is made up of with big end the small end of hollow; The small end of smoke sampling probe passes fin panel casing; The big end end of smoke sampling probe is connected with gland bonnet; Smoke sampling probe internal placement auger, an end of auger stretches out the small end of smoke sampling probe, and the other end of auger passes gland bonnet and links to each other with reducing motor.One end of trace pipe is connected with the big end side surface of smoke sampling probe, and the other end of trace pipe is connected with an end of the first filter freezing device, and the other end of the first filter freezing device is communicated with the high pressure source purge gas through blow down valve.The side of the first filter freezing device is communicated with the first condensation water valve; The side of the first filter freezing device also is communicated with the side of the second filter freezing device through extraction valve, aspiration pump; Second filter freezing device bottom is communicated with the second condensation water valve; Another side of the second filter freezing device is communicated with the import of flue gas analysis unit; On the connecting pipeline of the second filter freezing device and flue gas analysis unit, connect bypass to an emptying variable valve, the outlet of emptying variable valve and flue gas analysis unit is communicated with blow-down pipe respectively.
The small end of described smoke sampling probe passes fin panel casing, and the length a of exposed portions serve is 5 ~ 10mm.
One end of described auger stretches out the small end of smoke sampling probe, and the length b of exposed portions serve is 0 ~ 5mm.
The useful effect that the present invention has is:
High temperature corrosion atmosphere needs continuous monitoring, because flue-gas temperature is very high near the boiler water wall, contains a large amount of uncombusted coal dusts and clinker, causes flue gas sampling device to stop up easily, has influenced the reliable continuously monitoring of high temperature corrosion atmosphere.At smoke sampling probe internal placement auger; Can avoid bulky grain uncombusted coal dust and clinker to get into the smoke sampling probe on the one hand; On the other hand; Can send the fine grained that gets into the filter freezing device back to burner hearth through the acting in conjunction of blowback and auger, avoid the smoke sampling pipeline to stop up, guarantee the reliable continuously monitoring of high temperature corrosion atmosphere.The present invention also can be used for the sampling monitoring of other dusty gas.
Description of drawings
Fig. 1 is a boiler high temperature corrosive environment monitoring device synoptic diagram of the present invention.
Among the figure: 1, fin panel casing, 2, smoke sampling probe, 3, auger, 4, gland bonnet, 5, reducing motor; 6, trace pipe, 7, the first filter freezing device, 8, blow down valve, 9, the high pressure source purge gas; 10, the first condensation water valve, 11, extraction valve, 12, aspiration pump, 13, the second filter freezing device; 14, the second condensation water valve, 15, the flue gas analysis unit, 16, the emptying variable valve, 17, blow-down pipe.
Embodiment
Below in conjunction with Fig. 1 and embodiment the present invention is described further.
As shown in Figure 1, the present invention includes fin panel casing 1, smoke sampling probe 2, auger 3, gland bonnet 4, reducing motor 5, trace pipe 6, the first filter freezing device 7, blow down valve 8, high pressure source purge gas 9, the first condensation water valve 10, extraction valve 11, aspiration pump 12, the second filter freezing device 13, the second condensation water valve 14, flue gas analysis unit 15, emptying variable valve 16, blow-down pipe 17; Smoke sampling probe 2 is made up of with big end the small end of hollow; The small end of smoke sampling probe 2 passes fin panel casing 1; The big end end of smoke sampling probe 2 is connected with gland bonnet 4; The smoke sampling 2 internal placement augers 3 of popping one's head in, an end of auger 3 stretch out the small end of smoke sampling probe 2, and the other end of auger 3 passes gland bonnet 4 and links to each other with reducing motor 5.One end of trace pipe 6 is connected with the big end side surface of smoke sampling probe 2, and the other end of trace pipe 6 is connected with an end of the first filter freezing device 7, and the other end of the first filter freezing device 7 is communicated with high pressure source purge gas 9 through blow down valve 8.The side of the first filter freezing device 7 is communicated with the first condensation water valve 10; The side of the first filter freezing device 7 also is communicated with the side of the second filter freezing device 13 through extraction valve 11, aspiration pump 12; The second filter freezing device, 13 bottoms are communicated with the second condensation water valve 14; Another side of the second filter freezing device 13 is communicated with the import of flue gas analysis unit 15; On the connecting pipeline of the second filter freezing device 13 and flue gas analysis unit 15, connect bypass to an emptying variable valve 16, the outlet of emptying variable valve 16 and flue gas analysis unit 15 is communicated with blow-down pipe 17 respectively.
The small end of described smoke sampling probe 2 passes fin panel casing 1, and the length a of exposed portions serve is 5 ~ 10mm.
One end of described auger 3 stretches out the small end of smoke sampling probe 2, and the length b of exposed portions serve is 0 ~ 5mm.
The course of work of the present invention is following:
Under high temperature corrosion gas detection state; Blow down valve 8 cuts out, and extraction valve 11 is opened, and the first condensation water valve 10 and the second condensation water valve 14 are opened; Aspiration pump 12 work; High temperature corrosion gas gets into flue gas analysis unit 15 through smoke sampling probe 2, trace pipe 6, the first filter freezing device 7, extraction valve 11, aspiration pump 12, the second filter freezing device 13, and flue gas analysis unit 15 obtains the high temperature corrosion gas componant and sends into boiler DCS system, supplies operations staff's adjustment reference of burning.Flue-gas temperature is very high near the boiler water wall, contains a large amount of uncombusted coal dusts and clinker, the water vapor that also has a small amount of coal dust firing to produce.High temperature corrosion gas is at first through smoke sampling probe 2; Include uncombusted coal dust and clinker and stopped that by smoke sampling probe 2 inner augers 3 also quilt is sent back to burner hearth; The fine grained of deposition is stacked into and is also sent back to burner hearth by auger after a certain amount of in the smoke sampling probe 2 big end cavitys, keeps flue gas pipeline unobstructed.Trace pipe 6 outsides are provided with electric heater unit; Keep trace pipe 6 interior flue-gas temperatures more than 150 ℃; Avoid the flue gas condensing blocking pipeline; Sending into the first filter freezing device 7 from the flue gas of smoke sampling probe 2, the flue gas of removing most of particle and moisture gets into the second filter freezing device 13 and carries out the dedusting dehydration second time, has guaranteed to get into the flue gas cleaning drying of flue gas analysis unit 15 through trace pipe 6.Because getting into the flue gas flow of flue gas analysis unit 15 must be within limits; Therefore; 16 pairs of flue gas flows that get into flue gas analysis unit 15 of emptying variable valve are set control, the flue gas after flue gas behind the emptying variable valve 16 and flue gas analysis unit 15 are analyzed gets into blow-down pipe 17 respectively and enters atmosphere.
Under the purging state, extraction valve 11 is closed, and blow down valve 8 is opened, and the first condensation water valve 10 cuts out, and gets into the first filter freezing device 7 from the nitrogen or the clean compressed air of high pressure source purge gas 9, blows the grit that is deposited on the first filter freezing device 7 and melts down thorax.
Because auger 3 has the effect that stops uncombusted coal dust and clinker, reduced the number of times that device purges, guaranteed the reliable continuously monitoring of high temperature corrosion atmosphere.
Above-mentioned embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (3)
1. a boiler water-cooling wall high-temperature corrosion atmosphere monitoring device is characterized in that: comprise fin panel casing (1), smoke sampling probe (2), auger (3), gland bonnet (4), reducing motor (5), trace pipe (6), the first filter freezing device (7), blow down valve (8), high pressure source purge gas (9), the first condensation water valve (10), extraction valve (11), aspiration pump (12), the second filter freezing device (13), the second condensation water valve (14), flue gas analysis unit (15), emptying variable valve (16), blow-down pipe (17); Smoke sampling probe (2) is made up of with big end the small end of hollow; The small end of smoke sampling probe (2) passes fin panel casing (1); The big end end of smoke sampling probe (2) is connected with gland bonnet (4); Smoke sampling probe (2) internal placement auger (3), an end of auger (3) stretches out the small end of smoke sampling probe (2), and the other end of auger (3) passes gland bonnet (4) and links to each other with reducing motor (5); One end of trace pipe (6) is connected with the big end side surface of smoke sampling probe (2), and the other end of trace pipe (6) is connected with an end of the first filter freezing device (7), and the other end of the first filter freezing device (7) is communicated with high pressure source purge gas (9) through blow down valve (8); The side of the first filter freezing device (7) is communicated with the first condensation water valve (10); The side of the first filter freezing device (7) also is communicated with the side of the second filter freezing device (13) through extraction valve (11), aspiration pump (12); The second filter freezing device (13) bottom is communicated with the second condensation water valve (14); Another side of the second filter freezing device (13) is communicated with the import of flue gas analysis unit (15); On the connecting pipeline of the second filter freezing device (13) and flue gas analysis unit (15), connect bypass to an emptying variable valve (16), the outlet of emptying variable valve (16) and flue gas analysis unit (15) is communicated with blow-down pipe (17) respectively.
2. a kind of boiler water-cooling wall high-temperature corrosion atmosphere monitoring device according to claim 1 is characterized in that: the small end at described smoke sampling probe (2) passes fin panel casing (1), and the length a of exposed portions serve is 5 ~ 10mm.
3. a kind of boiler water-cooling wall high-temperature corrosion atmosphere monitoring device according to claim 1 is characterized in that: stretch out the small end of smoke sampling probe (2) at an end of described auger (3), the length b of exposed portions serve is 0 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100878303A CN102607904B (en) | 2012-03-29 | 2012-03-29 | High temperature corrosion atmosphere monitoring device for boiler water wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100878303A CN102607904B (en) | 2012-03-29 | 2012-03-29 | High temperature corrosion atmosphere monitoring device for boiler water wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102607904A true CN102607904A (en) | 2012-07-25 |
| CN102607904B CN102607904B (en) | 2013-11-13 |
Family
ID=46525468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100878303A Expired - Fee Related CN102607904B (en) | 2012-03-29 | 2012-03-29 | High temperature corrosion atmosphere monitoring device for boiler water wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102607904B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644613A (en) * | 2017-02-27 | 2017-05-10 | 国电科学技术研究院 | Sampling device for flue gas in close-to-wall zone of boiler water wall |
| CN106644612A (en) * | 2017-02-27 | 2017-05-10 | 国电科学技术研究院 | Smoke grouping online monitoring system of near wall region of boiler water wall |
| CN107167418A (en) * | 2017-05-24 | 2017-09-15 | 南京博沃科技发展有限公司 | A kind of boiler water-cooling wall high-temperature corrosion on-line monitoring method and monitoring system |
| CN109300564A (en) * | 2018-09-20 | 2019-02-01 | 中国辐射防护研究院 | A kind of device and method of the blocking of simulation steam and corrosion filter |
| CN109444242A (en) * | 2018-11-12 | 2019-03-08 | 北京天极视讯科技发展有限公司 | A kind of aerobic fermentation device external gas analyzing apparatus |
| CN112082928A (en) * | 2020-09-11 | 2020-12-15 | 上海康恒环境股份有限公司 | High-temperature corrosion detection system for flue gas of waste incinerator |
| CN112729974A (en) * | 2020-12-22 | 2021-04-30 | 清华大学 | High-temperature high-dust corrosion-resistant anti-blocking sampling device for water-cooled wall of pulverized coal boiler and mounting method |
| CN112763648A (en) * | 2020-11-25 | 2021-05-07 | 华能国际电力股份有限公司德州电厂 | Method for measuring flue gas atmosphere of hearth of lean coal boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922720A (en) * | 2010-05-21 | 2010-12-22 | 南京理工大学 | Hearth soot blower |
| CN201704182U (en) * | 2010-06-04 | 2011-01-12 | 中国建材国际工程有限公司 | Glass batch preheating decomposition fluidized bed |
| CN201867404U (en) * | 2010-12-24 | 2011-06-15 | 北京雪迪龙科技股份有限公司 | Movable high-temperature gas analysis system |
| WO2011095295A2 (en) * | 2010-02-04 | 2011-08-11 | Uhde Gmbh | Device and method for producing a fine-grained fuel by drying and impact crushing |
| CN202502001U (en) * | 2012-03-29 | 2012-10-24 | 浙江大学 | High-temperature corrosion atmosphere monitoring device of water cooled wall of boiler |
-
2012
- 2012-03-29 CN CN2012100878303A patent/CN102607904B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011095295A2 (en) * | 2010-02-04 | 2011-08-11 | Uhde Gmbh | Device and method for producing a fine-grained fuel by drying and impact crushing |
| CN101922720A (en) * | 2010-05-21 | 2010-12-22 | 南京理工大学 | Hearth soot blower |
| CN201704182U (en) * | 2010-06-04 | 2011-01-12 | 中国建材国际工程有限公司 | Glass batch preheating decomposition fluidized bed |
| CN201867404U (en) * | 2010-12-24 | 2011-06-15 | 北京雪迪龙科技股份有限公司 | Movable high-temperature gas analysis system |
| CN202502001U (en) * | 2012-03-29 | 2012-10-24 | 浙江大学 | High-temperature corrosion atmosphere monitoring device of water cooled wall of boiler |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644613A (en) * | 2017-02-27 | 2017-05-10 | 国电科学技术研究院 | Sampling device for flue gas in close-to-wall zone of boiler water wall |
| CN106644612A (en) * | 2017-02-27 | 2017-05-10 | 国电科学技术研究院 | Smoke grouping online monitoring system of near wall region of boiler water wall |
| CN106644613B (en) * | 2017-02-27 | 2023-09-19 | 国电科学技术研究院有限公司 | Smoke sampling device for near-wall area of water-cooled wall of boiler |
| CN107167418A (en) * | 2017-05-24 | 2017-09-15 | 南京博沃科技发展有限公司 | A kind of boiler water-cooling wall high-temperature corrosion on-line monitoring method and monitoring system |
| CN107167418B (en) * | 2017-05-24 | 2020-05-01 | 南京博沃科技发展有限公司 | Boiler water wall high-temperature corrosion on-line monitoring method and monitoring system |
| CN109300564A (en) * | 2018-09-20 | 2019-02-01 | 中国辐射防护研究院 | A kind of device and method of the blocking of simulation steam and corrosion filter |
| CN109300564B (en) * | 2018-09-20 | 2022-11-18 | 中国辐射防护研究院 | Device and method for simulating steam blocking and corrosion of filter |
| CN109444242A (en) * | 2018-11-12 | 2019-03-08 | 北京天极视讯科技发展有限公司 | A kind of aerobic fermentation device external gas analyzing apparatus |
| CN112082928A (en) * | 2020-09-11 | 2020-12-15 | 上海康恒环境股份有限公司 | High-temperature corrosion detection system for flue gas of waste incinerator |
| CN112763648A (en) * | 2020-11-25 | 2021-05-07 | 华能国际电力股份有限公司德州电厂 | Method for measuring flue gas atmosphere of hearth of lean coal boiler |
| CN112729974A (en) * | 2020-12-22 | 2021-04-30 | 清华大学 | High-temperature high-dust corrosion-resistant anti-blocking sampling device for water-cooled wall of pulverized coal boiler and mounting method |
| CN112729974B (en) * | 2020-12-22 | 2022-02-18 | 清华大学 | High-temperature high-dust corrosion-resistant anti-blocking sampling device for water-cooled wall of pulverized coal boiler and mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102607904B (en) | 2013-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102607904B (en) | High temperature corrosion atmosphere monitoring device for boiler water wall | |
| RU2501959C2 (en) | Spark arrester cleaned on site | |
| CA2691913C (en) | Probe for removal of particulates from gas sampling stream | |
| EP2224223B1 (en) | Removal Of Particulates From Gas Sampling Stream | |
| CN207570855U (en) | CEMS flue gas sampling probes | |
| CN207366277U (en) | A kind of flue gas discharge continuous monitoring system | |
| CN214703482U (en) | Smoke oxygen content measuring device | |
| CN202502001U (en) | High-temperature corrosion atmosphere monitoring device of water cooled wall of boiler | |
| CN108895470A (en) | A kind of circulating purifying device of boiler waste gas | |
| CN107224831A (en) | A kind of spray drying tower waste gas dedusting processing equipment | |
| CN206470092U (en) | Boiler water wall near wall region flue gas sampling device | |
| CN102600695A (en) | Energy-saving desulfuration and denitrification dust collector for large boiler | |
| CN106644613B (en) | Smoke sampling device for near-wall area of water-cooled wall of boiler | |
| CN209043088U (en) | A kind of heat exchanger | |
| CN204287172U (en) | The explosion-proof monitoring device of pulverized coal preparation system inflammable gas | |
| CN103353115B (en) | A kind of Multifunctional incinerator with gas cleaning process | |
| CN203803302U (en) | Cyclone dust collector with good dust removal effect | |
| CN106225488A (en) | A kind of high temperature bushing type compensates pipeline automatically | |
| CN210464089U (en) | Organic waste discharge pipeline for sintering furnace | |
| CN216367106U (en) | External dust particle processing mechanism of flue gas pipeline | |
| CN206724214U (en) | High temperature for boiler flue isolates envelope | |
| CN106225489A (en) | Mineral hot furnace scatterplot dust pelletizing system integration apparatus | |
| CN115902123A (en) | Flue gas emission's on-line monitoring system behind SOx/NOx control | |
| CN208519777U (en) | A kind of heat-exchanger rig of waste incinerator | |
| CN208765516U (en) | A kind of smoke heat replacing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120725 Assignee: SCIP SITA WASTE SERVICES CO.,LTD. Assignor: Zhejiang University Contract record no.: 2014310000109 Denomination of invention: High temperature corrosion atmosphere monitoring device for boiler water wall Granted publication date: 20131113 License type: Exclusive License Record date: 20140620 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |