CN109870547A - A kind of device preventing quick flowing gas in flue - Google Patents
A kind of device preventing quick flowing gas in flue Download PDFInfo
- Publication number
- CN109870547A CN109870547A CN201910277562.3A CN201910277562A CN109870547A CN 109870547 A CN109870547 A CN 109870547A CN 201910277562 A CN201910277562 A CN 201910277562A CN 109870547 A CN109870547 A CN 109870547A
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- CN
- China
- Prior art keywords
- flue
- flowing gas
- choked flow
- quick flowing
- aperture
- 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.)
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Links
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- 239000003546 flue gas Substances 0.000 abstract description 13
- 239000003245 coal Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of to prevent the device of quick flowing gas in flue, including detection unit, choke apparatus, the detection unit includes probe tube, the end of the probe tube is provided with the choke apparatus, under the prevention of the choke apparatus, the detection unit can smoothly detect the gas quickly flowed in flue.The present invention increases Choked flow cover on measuring device head, so that the flue gas flow field for being easily accessible flue gas to be measured inside measuring device, and obtaining is stablized.
Description
Technical field
The invention belongs to flue gas testing equipment technical fields, and in particular to one kind prevents quickly flowing gas in flue
The device of body
Background technique
Coal is in occupation of 60% or so of China's non-renewable energy generated energy, in occupation of irreplaceable ground in social production
Position.The main forms of electricity generation of coal be by combustion power generation in boiler, although pulverized coal combustion is quite mature in boiler,
The problems such as being not enough there are still burning, the detection of gas componant reflects boiler internal combustion case in flue.But cigarette
Road gas flow rate is too fast, causes Flue gas components that can not detect.Fast gas in flue is uniformly reduced to the dress to get off
It sets, plays the role of to the detection of Flue gas components vital.
Summary of the invention
Flue gas can be prevented quickly to flow the present invention provides one kind to obtain the device of stable flue gas flow field.
In order to achieve the above object, the present invention adopts the following technical scheme:
Including detection unit, which is characterized in that further include choke apparatus, the detection unit includes probe tube, described to take
The end of sample pipe is provided with the choke apparatus, and under the prevention of the choke apparatus, the detection unit can be examined smoothly
Survey the gas quickly flowed in flue.
Preferably, the choke apparatus is Choked flow cover.
Preferably, the Choked flow cover is side wall band annulus column construction jaggy.
Preferably, the Choked flow cover is provided with aperture at windward side.
Preferably, the aperture shares four groups, and aperture described in every group has several holes, several described holes are along described
Choked flow cover axial direction interval 6mm arrangement.
Preferably, aperture described in two groups in the middle part of the Choked flow cover is 50 ° relative to Choked flow cover centric angle, position
The aperture described in two groups of the Choked flow cover two sides is 130 ° relative to Choked flow cover centric angle.
Preferably, the opening diameter is 2mm.
Preferably, aperture described in every group has 6 holes.
The present invention compared with prior art have the beneficial effect that flue gas measurement detection device head increase resistance
Stream cover, so that the flue gas flow field for being easily accessible flue gas to be measured inside measuring device, and obtaining is stablized, so as to flue gas
The detection of ingredient is more accurate.
Detailed description of the invention
Fig. 1 is schematic diagram when the device of quick flowing gas being prevented to use in flue.
Fig. 2 is the perspective view for preventing the Choked flow cover of device of quick flowing gas.
Fig. 3 is the side view for preventing the Choked flow cover of device of quick flowing gas.
Fig. 4 is the sectional view for preventing the Choked flow cover of device of quick flowing gas.
Specific embodiment
Keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
Referring to FIG. 1 to FIG. 4, in the embodiment of the present invention, the device of quick flowing gas, including detection are prevented in flue
Unit 1 further includes choke apparatus 2, and the detection unit 1 includes probe tube, and the end of the probe tube is provided with the choked flow
Device 2, under the prevention of the choke apparatus 2, the detection unit 1 can smoothly detect the gas quickly flowed in flue 3
Body.
In one example, the choke apparatus 2 is Choked flow cover 5.
In one example, the Choked flow cover 5 is the annulus column construction of side wall band jagged 6.
In one example, the Choked flow cover 5 is provided with aperture 4 at windward side.
In one example, the aperture 4 shares four groups, and aperture 4 described in every group has several holes, several described holes
It is arranged along the 5 axial direction interval 6mm of Choked flow cover.
In one example, positioned at aperture 4 described in two groups of 5 middle part of Choked flow cover relative to 5 centric angle of Choked flow cover
Be 50 °, positioned at aperture 4 described in two groups of 5 two sides of Choked flow cover relative to 5 centric angle of Choked flow cover be 130 °.
In one example, 4 diameter of aperture is 2mm.
In one example, aperture 4 described in every group has 6 holes.
In the Choked flow cover of measuring device head setting, stream field influence is more obvious, and it is blunt that Choked flow cover plays class in flue
The effect of body, in Choked flow cover windward side and leeward with the presence of apparent recirculating zone, and leeward recirculating zone becomes apparent, cigarette
When air-flow is through recirculating zone, the residence time increases.
The present invention increases Choked flow cover on measuring device head, so that flue gas to be measured be made to be easily accessible in measuring device
Face, and the flue gas flow field obtained is stablized.
Described above is only explanation of the invention, so that those of ordinary skill in the art's can completely implements we
Case, but be not limitation of the present invention, those skilled in the art can according to need after reading this specification to this reality
The modification that example makes not creative contribution is applied, these are all without creative modification.But as long as in right of the invention
All by the protection of Patent Law in claimed range.
Claims (8)
1. a kind of device for preventing quick flowing gas in flue, including detection unit (1), which is characterized in that further include resistance
It flows device (2), the detection unit (1) includes probe tube, and the end of the probe tube is provided with the choke apparatus (2),
Under the prevention of the choke apparatus (2), the detection unit (1) can smoothly detect the gas quickly flowed in flue (3).
2. a kind of device for preventing quick flowing gas in flue according to claim 1, which is characterized in that the resistance
Flowing device (2) is Choked flow cover (5).
3. a kind of device for preventing quick flowing gas in flue according to claim 2, which is characterized in that the resistance
Stream cover (5) is the annulus column construction of side wall band jagged (6).
4. a kind of device for preventing quick flowing gas in flue according to claim 2, which is characterized in that the resistance
Stream cover (5) is provided with aperture (4) at windward side.
5. a kind of device for preventing quick flowing gas in flue according to claim 4, which is characterized in that described to open
Hole (4) shares four groups, and aperture described in every group (4) has several holes, several described holes are along the Choked flow cover (5) axial direction
It is spaced 6mm arrangement.
6. a kind of device for preventing quick flowing gas in flue according to claim 5, which is characterized in that be located at institute
It is 50 ° that aperture (4) described in two groups in the middle part of Choked flow cover (5), which is stated, relative to the Choked flow cover (5) centric angle, is located at the choked flow
Covering aperture (4) described in two groups of (5) two sides relative to the Choked flow cover (5) centric angle is 130 °.
7. a kind of device for preventing quick flowing gas in flue according to claim 4, which is characterized in that described to open
Hole (4) diameter is 2mm.
8. a kind of device for preventing quick flowing gas in flue according to claim 5, which is characterized in that every group of institute
Aperture (4) are stated with 6 holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277562.3A CN109870547B (en) | 2019-04-08 | 2019-04-08 | Device for preventing fast flowing gas in flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277562.3A CN109870547B (en) | 2019-04-08 | 2019-04-08 | Device for preventing fast flowing gas in flue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109870547A true CN109870547A (en) | 2019-06-11 |
| CN109870547B CN109870547B (en) | 2024-04-30 |
Family
ID=66922166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910277562.3A Active CN109870547B (en) | 2019-04-08 | 2019-04-08 | Device for preventing fast flowing gas in flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109870547B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750382A (en) * | 2020-07-04 | 2020-10-09 | 临沂齐胜环保设备有限公司 | Multifunctional heating stove |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4189092A (en) * | 1979-01-08 | 1980-02-19 | Barber-Colman Company | Damper control for preventing spread of fire and smoke through an induction mixing box |
| CN1042998A (en) * | 1988-11-30 | 1990-06-13 | 哈特曼·希劳恩股份公司 | Air-flow and correction in the monitoring gas tester are because the device to the measure signal interference influence that pressure flow causes |
| DE19833991A1 (en) * | 1998-07-29 | 2000-02-10 | Draeger Sicherheitstech Gmbh | Arrangement for detecting gaseous component in gas flow, e.g. alcohol in breath; has choke in sample extraction line, pressure sensor on upstream side of choke, flow detector for generating null flow signal |
| US6035698A (en) * | 1998-03-31 | 2000-03-14 | Lewin; Henry | Apparatus for testing humidity of gas stream |
| CN2450226Y (en) * | 2000-10-24 | 2001-09-26 | 东风汽车公司 | Rotary degassing device with float type choking device |
| CN2535778Y (en) * | 2001-12-19 | 2003-02-12 | 王犇 | Measuring calibration device for tail smoke discharge path of coal-burning boiler |
| CN202506311U (en) * | 2012-03-16 | 2012-10-31 | 上海霍林化工设备工程有限公司 | Improved structure for tubular air distributor of desulfurizing tower |
| CN204422498U (en) * | 2014-12-31 | 2015-06-24 | 上海北分仪器技术开发有限责任公司 | A kind of Novel flue gas checkout equipment |
| CN206740465U (en) * | 2017-04-10 | 2017-12-12 | 山东中实易通集团有限公司 | A kind of flue gas constant-speed sampling device |
| CN207689218U (en) * | 2018-01-22 | 2018-08-03 | 湖北寰安康华安全科技发展有限责任公司 | Apparatus for Dust Content in Stack |
| CN209878717U (en) * | 2019-04-08 | 2019-12-31 | 沃森测控技术（河北）有限公司 | Device for preventing fast flowing gas in flue |
-
2019
- 2019-04-08 CN CN201910277562.3A patent/CN109870547B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4189092A (en) * | 1979-01-08 | 1980-02-19 | Barber-Colman Company | Damper control for preventing spread of fire and smoke through an induction mixing box |
| CN1042998A (en) * | 1988-11-30 | 1990-06-13 | 哈特曼·希劳恩股份公司 | Air-flow and correction in the monitoring gas tester are because the device to the measure signal interference influence that pressure flow causes |
| US6035698A (en) * | 1998-03-31 | 2000-03-14 | Lewin; Henry | Apparatus for testing humidity of gas stream |
| DE19833991A1 (en) * | 1998-07-29 | 2000-02-10 | Draeger Sicherheitstech Gmbh | Arrangement for detecting gaseous component in gas flow, e.g. alcohol in breath; has choke in sample extraction line, pressure sensor on upstream side of choke, flow detector for generating null flow signal |
| CN2450226Y (en) * | 2000-10-24 | 2001-09-26 | 东风汽车公司 | Rotary degassing device with float type choking device |
| CN2535778Y (en) * | 2001-12-19 | 2003-02-12 | 王犇 | Measuring calibration device for tail smoke discharge path of coal-burning boiler |
| CN202506311U (en) * | 2012-03-16 | 2012-10-31 | 上海霍林化工设备工程有限公司 | Improved structure for tubular air distributor of desulfurizing tower |
| CN204422498U (en) * | 2014-12-31 | 2015-06-24 | 上海北分仪器技术开发有限责任公司 | A kind of Novel flue gas checkout equipment |
| CN206740465U (en) * | 2017-04-10 | 2017-12-12 | 山东中实易通集团有限公司 | A kind of flue gas constant-speed sampling device |
| CN207689218U (en) * | 2018-01-22 | 2018-08-03 | 湖北寰安康华安全科技发展有限责任公司 | Apparatus for Dust Content in Stack |
| CN209878717U (en) * | 2019-04-08 | 2019-12-31 | 沃森测控技术（河北）有限公司 | Device for preventing fast flowing gas in flue |
Non-Patent Citations (1)
| Title |
|---|
| 韦绍松;袁越锦;: "火电厂烟道的CFD模拟及结构改进", 热能动力工程, no. 06, pages 297 - 306 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750382A (en) * | 2020-07-04 | 2020-10-09 | 临沂齐胜环保设备有限公司 | Multifunctional heating stove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109870547B (en) | 2024-04-30 |
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