CN204924743U - Power plant boiler flue gas sampling device - Google Patents
Power plant boiler flue gas sampling device Download PDFInfo
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- CN204924743U CN204924743U CN201520498509.3U CN201520498509U CN204924743U CN 204924743 U CN204924743 U CN 204924743U CN 201520498509 U CN201520498509 U CN 201520498509U CN 204924743 U CN204924743 U CN 204924743U
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- Prior art keywords
- sampling
- flue gas
- sampling pipe
- length
- station boiler
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- 238000005070 sampling Methods 0.000 title claims abstract description 139
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004868 gas analysis Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Abstract
The utility model provides a power plant boiler flue gas sampling device, it includes many sampling pipes, many in the power plant boiler flue is stretched into to the lower part of sampling pipe, every the top of sampling pipe do not is connected with the valve, many the upper end of sampling pipe is connected with mixing chamber. The utility model discloses a power plant boiler flue gas sampling device can realize carrying out the function that the multichannel flue gas was sampled to power plant boiler, can carry out the flue gas sampling to the single -point again.
Description
Technical field
The utility model has about a kind of flue gas sampler, especially has the flue gas in power station boiler sampling apparatus about applying in a kind of field of thermal power.
Background technology
At present, in the operation of fuel-burning power plant, oxygen in flue gas, carbon monoxide, oxides of nitrogen, sulphuric dioxide etc. are all important monitoring parameters, and also need smoke components accurately when calculating boiler efficiency, air preheater air leakage rate, pollutant emission value etc., therefore, can say that the measurement of smoke components is an important content of fired power generating unit.In today that energy saving standard pressure increases day by day, need to carry out more accurate smoke components and measure, this it is also proposed more and more higher requirement to flue gas sampling device.
No matter the national standard according to China and industry standard, or according to the technical regulation of foreign technology advanced country, due to enormous size, the boiler flue of large-scale Thermal generation unit carries out smoke components measurement, gridding method must be adopted to arrange measuring point, and its ultimate principle is that then multimetering averages by flow weighting.Unit scale is larger, and net point should be arranged more.Existing flue gas sampler is single channel flue gas sampler, it is only made up of a metal sampling pipe, need the different depth position being placed on flue gaging hole manually in use, change position after often measuring the smoke components of a net point again to carry out the measurement of next net point smoke components.
But, concerning single channel sampling apparatus, the net point that maximum problem is even all gaging hole places of each gaging hole place samples and can only carry out successively, and samples while all net points can not be realized, have a strong impact on the precision of measurement, also bring the problems such as workload is large, operation inconvenience simultaneously.
Along with domestic thermal power generation corporations take the management that day by day becomes more meticulous to unit operation, energy-conservation to unit, reduce discharging tap the latent power also increasingly deep, therefore, be necessary to carry out studying to flue gas sampler comprehensively and scientifically.
Utility model content
The purpose of this utility model is to provide a kind of flue gas in power station boiler sampling apparatus, can realize the function of station boiler being carried out to Multi-channel flue gas sampling, can carry out flue gas sampling again for single-point.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides a kind of flue gas in power station boiler sampling apparatus, it comprises many sampling pipes, the bottom of many described sampling pipes is stretched in station boiler flue, and described in every root, the top of sampling pipe is connected to valve, and the upper end of many described sampling pipes is connected with mixing chamber; Wherein, many described sampling pipes stretch into length in described station boiler flue and shortly equally to arrange from growing to.
In a preferred embodiment, the diameter of many described sampling pipes is identical.
In a preferred embodiment, many described sampling pipes are along the circumferential direction evenly distributed in described station boiler flue.
In a preferred embodiment, described sampling pipe is metal sampling pipe.
In a preferred embodiment, described valve is electromagnetism shut-off valve or manual shut-off valve.
In a preferred embodiment, gripping mechanism is connected with between many described sampling pipes.
In a preferred embodiment, described sampling pipe is five, the length of first described sampling pipe is 4000mm, the length of second described sampling pipe is 3200mm, the length of the 3rd described sampling pipe is 2400mm, the length of the 4th described sampling pipe is 1600mm, and the length of the 5th described sampling pipe is 800mm.
In a preferred embodiment, described sampling pipe is five, the length of first described sampling pipe is 3000mm, the length of second described sampling pipe is 2400mm, the length of the 3rd described sampling pipe is 1800mm, the length of the 4th described sampling pipe is 1200mm, and the length of the 5th described sampling pipe is 600mm.
In a preferred embodiment, the diameter of described sampling pipe is 14mm or 12mm.
Feature and the advantage of flue gas in power station boiler sampling apparatus of the present utility model are: this flue gas in power station boiler sampling apparatus, Multi-channel flue gas sampling functions can be realized, flue gas sampling can be carried out for single-point again, this flue gas in power station boiler sampling apparatus can improve dirigibility and the convenience of flue gas in power station boiler sampling, and effectively can reduce workload when multimetering.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of flue gas in power station boiler sampling apparatus of the present utility model.
Fig. 2 is the vertical view of flue gas in power station boiler sampling apparatus of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of flue gas in power station boiler sampling apparatus, it comprises many sampling pipes 1, the bottom of many described sampling pipes 1 is stretched in station boiler flue 2, described in every root, the top of sampling pipe 1 is connected to valve 3, and the upper end of many described sampling pipes 1 is connected with mixing chamber 4.
Specifically, shown in Fig. 2, the upper end of station boiler flue 2 is provided with connected unit 21, connected unit 21 offers multiple through hole 211, and multiple through hole 211 is evenly arranged along the circumferencial direction of connected unit 21.
The quantity of sampling pipe 1 is identical with the quantity of through hole 211, this sampling pipe 1 is metal sampling pipe, such as irony sampling pipe, carbon steel sampling pipe or alloy steel sampling pipe etc., stretch in station boiler flue 2 in multiple through holes 211 that many sampling pipes 1 are located in connected unit 21, many sampling pipe 1 parts stretched in station boiler flue 2 are connected with gripping mechanism 11, this gripping mechanism 11 is a plate, and it plays the object of fixing many sampling pipes 1.In the utility model, many sampling pipes 1 are along the circumferential direction evenly distributed in station boiler flue 2, and the diameter of every root sampling pipe 1 is all identical; Many sampling pipes 1 stretch into length in station boiler flue 2 and shortly equally to arrange from growing to, and also namely sampling pipe 1 is positioned at the length of station boiler flue 2, and from the shortest sampling pipe 1 successively to the longest sampling pipe 1, the length difference between two between sampling pipe 1 is D.
In one embodiment, diameter connected unit 21 offering five through holes, 211, five through holes 211 is 14mm.In order to the interface size of the physical size and flue gas analysis instrument that adapt to station boiler flue 2, sampling pipe 1 has five, its caliber is 14mm, and correspondence is located in through hole 211, the length of sampling pipe 1 the longest in five sampling pipes 1 is 4000mm, the length of each sampling pipe 1 from long successively to the space D of short sampling pipe be between two 800mm, also be, the length of first sampling pipe 1 is 4000mm, the length of second sampling pipe 1 is 3200mm, the length of the 3rd sampling pipe 1 is 2400mm, the length of the 4th sampling pipe 1 is 1600mm, the length of the 5th sampling pipe 1 is 800mm.
In another specific embodiment, diameter connected unit 21 offering five through holes, 211, five through holes 211 is 12mm.In order to the interface size of the physical size and flue gas analysis instrument that adapt to station boiler flue 2, sampling pipe 1 has five, its caliber is 12mm, and correspondence is located in through hole 211, the length of sampling pipe 1 the longest in five sampling pipes 1 is 3000mm, the length of each sampling pipe 1 from long successively to the space D of short sampling pipe be between two 600mm, also be, the length of first sampling pipe 1 is 3000mm, the length of second sampling pipe 1 is 2400mm, the length of the 3rd sampling pipe 1 is 1800mm, the length of the 4th sampling pipe 1 is 1200mm, the length of the 5th sampling pipe 1 is 600mm.
Many sampling pipe 1 tops be positioned at outside station boiler flue 2 are connected to a valve 3, and in the present embodiment, valve 3 is electromagnetism shut-off valve or manual shut-off valve, by opening or valve-off 3, can realize the object of different sampling pipe 1 being carried out to sampling separately.
The upper end of many sampling pipes 1 is connected with a mixing chamber 4, and mixing chamber 4 has a mixed gas outlet 41, and the gas gathered in many sampling pipes 1 imports in mixing chamber 4, is flowed out by the mixed gas outlet 41 of mixing chamber 4.
Flue gas in power station boiler sampling apparatus of the present utility model, when valve 3 standard-sized sheet on many sampling pipes 1, can sample to the measuring point of the multiple positions in station boiler flue 2 in multiple through holes 211 of station boiler flue 2 simultaneously; In addition, because the length of many sampling pipes 1 in station boiler flue 2 is different, therefore the sampling pipe 1 of different length can be selected to measure according to the different flue degree of depth; Have again, when needing to sample to the specific point position of certain in station boiler flue 2, only can open the valve 3 of corresponding sampling pipe 1 and close the valve 3 of other sampling pipe 1, and can the opening and closing of different arbitrarily switch valve 3 according to the position to be measured in station boiler flue 2; When needing to sample to the combination gas in station boiler flue 2, closing the valve 3 of each sampling pipe 1, opening the sampling that mixed gas outlet 41 can realize combination gas.Flue gas in power station boiler sampling apparatus of the present utility model, Multi-channel flue gas sampling functions can be realized, flue gas sampling can be carried out for single-point again, this flue gas in power station boiler sampling apparatus can improve dirigibility and the convenience of flue gas in power station boiler sampling, and effectively can reduce workload when multimetering.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various change or modification to the utility model embodiment according to content disclosed in application documents and not depart from spirit and scope of the present utility model.
Claims (9)
1. a flue gas in power station boiler sampling apparatus, it is characterized in that, it comprises many sampling pipes, and the bottom of many described sampling pipes is stretched in station boiler flue, described in every root, the top of sampling pipe is connected to valve, and the upper end of many described sampling pipes is connected with mixing chamber; Wherein, many described sampling pipes stretch into length in described station boiler flue and shortly equally to arrange from growing to.
2. flue gas in power station boiler sampling apparatus as claimed in claim 1, it is characterized in that, the diameter of many described sampling pipes is identical.
3. flue gas in power station boiler sampling apparatus as claimed in claim 1, it is characterized in that, many described sampling pipes are along the circumferential direction evenly distributed in described station boiler flue.
4. flue gas in power station boiler sampling apparatus as claimed in claim 1, it is characterized in that, described sampling pipe is metal sampling pipe.
5. flue gas in power station boiler sampling apparatus as claimed in claim 1, it is characterized in that, described valve is electromagnetism shut-off valve or manual shut-off valve.
6. flue gas in power station boiler sampling apparatus as claimed in claim 1, is characterized in that, be connected with gripping mechanism between many described sampling pipes.
7. flue gas in power station boiler sampling apparatus as claimed in claim 1, it is characterized in that, described sampling pipe is five, the length of first described sampling pipe is 4000mm, the length of second described sampling pipe is 3200mm, the length of the 3rd described sampling pipe is 2400mm, and the length of the 4th described sampling pipe is 1600mm, and the length of the 5th described sampling pipe is 800mm.
8. flue gas in power station boiler sampling apparatus as claimed in claim 1, it is characterized in that, described sampling pipe is five, the length of first described sampling pipe is 3000mm, the length of second described sampling pipe is 2400mm, the length of the 3rd described sampling pipe is 1800mm, and the length of the 4th described sampling pipe is 1200mm, and the length of the 5th described sampling pipe is 600mm.
9. flue gas in power station boiler sampling apparatus as claimed in claim 2, it is characterized in that, the diameter of described sampling pipe is 14mm or 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498509.3U CN204924743U (en) | 2015-07-10 | 2015-07-10 | Power plant boiler flue gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498509.3U CN204924743U (en) | 2015-07-10 | 2015-07-10 | Power plant boiler flue gas sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN204924743U true CN204924743U (en) | 2015-12-30 |
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| CN201520498509.3U Active CN204924743U (en) | 2015-07-10 | 2015-07-10 | Power plant boiler flue gas sampling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964857A (en) * | 2015-07-10 | 2015-10-07 | 国家电网公司 | Power station boiler smoke sampling device |
| CN106066266A (en) * | 2016-06-13 | 2016-11-02 | 国网江西省电力科学研究院 | A kind of multi-functional sampling gun of station boiler multitube |
| CN108036977A (en) * | 2018-01-12 | 2018-05-15 | 夏盛佳 | A kind of coal burning boiler of power station flue gas multi-point sampling system |
-
2015
- 2015-07-10 CN CN201520498509.3U patent/CN204924743U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964857A (en) * | 2015-07-10 | 2015-10-07 | 国家电网公司 | Power station boiler smoke sampling device |
| CN106066266A (en) * | 2016-06-13 | 2016-11-02 | 国网江西省电力科学研究院 | A kind of multi-functional sampling gun of station boiler multitube |
| CN108036977A (en) * | 2018-01-12 | 2018-05-15 | 夏盛佳 | A kind of coal burning boiler of power station flue gas multi-point sampling system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |