CN203849069U - Matrix type multipoint sampling system for denitration device - Google Patents
Matrix type multipoint sampling system for denitration device Download PDFInfo
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- CN203849069U CN203849069U CN201420242371.6U CN201420242371U CN203849069U CN 203849069 U CN203849069 U CN 203849069U CN 201420242371 U CN201420242371 U CN 201420242371U CN 203849069 U CN203849069 U CN 203849069U
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- sampling
- smoke
- feed channel
- matrix form
- mixed air
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- 238000005070 sampling Methods 0.000 title claims abstract description 118
- 239000011159 matrix material Substances 0.000 title claims abstract description 31
- 239000000523 sample Substances 0.000 claims abstract description 40
- 239000000779 smoke Substances 0.000 claims abstract description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 57
- 239000003546 flue gas Substances 0.000 claims description 57
- 239000007789 gas Substances 0.000 claims description 20
- 239000000428 dust Substances 0.000 claims description 17
- 238000013459 approach Methods 0.000 claims description 13
- 238000010408 sweeping Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 21
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 description 11
- 238000012544 monitoring process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000004868 gas analysis Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a matrix type multipoint sampling system for a denitration device. The matrix multipoint sampling system comprises a reactor outlet flue, a mixed air chamber and an air preheater inlet flue, which form a smoke loop; a plurality of smoke introducing pipelines are arranged in the reactor outlet flue, each smoke taking pipeline is provided with at least one sampling element, and the sampling element is used for sampling the smoke; the other end of each smoke taking pipeline is communicated to the mixed smoke chamber and used for transporting the smoke to the mixed smoke chamber; at least one sampling probe is arranged in the mixed smoke chamber, and the mixed smoke chamber is used for mixing the smoke transported by the smoke introducing pipelines, so that the smoke can be detected by the sampling probe; the other end of the mixed smoke chamber is communicated to the air preheater inlet flue, the sample smoke is sampled on multiple points through the smoke introducing pipelines, and the smoke flow is uniform after being adequately mixed by the mixed gas chamber, and the sampling probe samples the smoke from the smoke chamber, so that the smoke components of the sample are representative.
Description
Technical field
The utility model belongs to sampler, the CEMS matrix form multidraw system particularly arranging in a kind of denitrification apparatus.
Background technology
The monitoring of fuel-burning power plant denitration flue gas pollutant discharge is more and more subject to the attention of State Bureau of Environmental Protection, part province is by denitration flue gas discharge continuous monitoring system (Continuous Emission Monitoring System, be called for short CEMS) data and the networking of local Environmental Protection Agency, by the electricity price of denitration fume emission index examination electricity power enterprise.Therefore production and economy that the accuracy that, denitration CEMS detects and real-time directly have influence on power plant.
Fig. 1 is the structural representation that in prior art, denitrification apparatus is used sampling system, sampling probe 12 is set directly in reactor outlet flue 11, the sampling place flue section at sampling probe 12 places is large, flue gas flow rate is high, single-point sampling is not representative, poor in synchronism, like this that the pollutant monitoring real-time property that causes uploading is not strong.In order to improve sampling accuracy, usually need to arrange more sampling probe, sampling and measuring separately, also redundancy sampling and measuring each other, improves system reliability and data representative.
Utility model content
The purpose of this utility model is to provide matrix form multidraw system for a kind of denitrification apparatus, solve traditional denitration CEMS sampling system single-point sampling and not possess representativeness, the problem of poor synchronization.
For solving above-mentioned utility model object, the utility model provides matrix form multidraw system for a kind of denitrification apparatus, and described system comprises and forms the reactor outlet flue, mixed air vessel in flue gas loop and to air preheater gas approach;
Get feed channel for many that arrange in described reactor outlet flue, get described in each and in feed channel, be furnished with at least one sampling element, described sampling element is for to smoke sampling;
The described other end of getting feed channel is communicated to described mixed air vessel, for described flue gas is transported to described mixed air vessel; In described mixed air vessel, be provided with at least one sampling probe, described mixed air vessel, for the flue gas of getting feed channel conveying is mixed, is detected for described sampling probe; The other end of described mixed air vessel is communicated to described to air preheater gas approach.
As technique scheme preferably, a plurality of described sampling elements are matrix form and distribute.
As technique scheme preferably, described sampling element is 800-1000mm in described spacing of getting in feed channel.
As technique scheme preferably, on described sampling element, be provided with filter element, described filter element is for filtering the dust of flue gas.
As technique scheme preferably, described sampling element comprises cylindrical shell, one end of described cylindrical shell is provided with the leachy bottom of tool, described pore is connected with outlet pipe, the other end is connected with the end cap with opening, described in the end cap end of described cylindrical shell is connected to, get feed channel, the barrel of described cylindrical shell is fence structure.
As technique scheme preferably, described filter element is arranged on the inner side of described cylindrical shell.
As technique scheme preferably, the material of described filter element is silit.
As technique scheme preferably, described in get feed channel and be also connected with blowback sweeping device, the dust of getting described in described blowback sweeping device is used in feed channel purges.
As technique scheme preferably, described in get one end that feed channel is connected to described mixed air vessel and be also connected with sampling blower fan, described sampling blower fan is for being blown into described mixed air vessel by flue gas.
As technique scheme preferably, the diameter of described mixed air vessel is 250-300mm.
Effect of the present utility model is:
Matrix form multidraw system for denitrification apparatus that the utility model provides, is comprised and is formed the reactor outlet flue, mixed air vessel in flue gas loop and to air preheater gas approach by described system; Get feed channel for many that arrange in described reactor outlet flue, get described in each and in feed channel, be furnished with at least one sampling element, described sampling element is for to smoke sampling; The described other end of getting feed channel is communicated to described mixed air vessel, for described flue gas is transported to described mixed air vessel; In described mixed air vessel, be provided with at least one sampling probe, described mixed air vessel, for the flue gas of getting feed channel conveying is mixed, is detected for described sampling probe; The other end of described mixed air vessel is communicated to described to air preheater gas approach.Because sample gas is to come by getting feed channel multi-point sampling, and fully mix through mixed air vessel, flow field is very even, and sampling probe samples from air chamber, therefore that its utility model embodiment samples smoke components is representative.
Accompanying drawing explanation
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and easily understand.
Fig. 1 is the structural representation that in prior art, denitrification apparatus is used sampling system;
The denitrification apparatus that Fig. 2 provides for the utility model embodiment structural representation of matrix form multidraw system;
Fig. 3 is the structural representation of sampling element in Fig. 2;
Wherein: 11-reactor outlet flue; 12-sampling probe; 21-reactor outlet flue; 22-is to air preheater gas approach;
23-gets feed channel; 24-sampling element; 25-filter element; 26-mixed air vessel; 27-sampling probe;
241-cylindrical shell; 242-bottom; 243-end cap; 244-pressurized air blow valve port.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The denitrification apparatus that Fig. 2 provides for the utility model embodiment structural representation of matrix form multidraw system, as shown in Figure 2, matrix form multidraw system for this denitrification apparatus, comprise and form the reactor outlet flue 21, mixed air vessel 26 in flue gas loop and to air preheater gas approach 22, get feed channel 23 for many of the 21 interior settings of reactor outlet flue, each is got and in feed channel 23, is furnished with at least one sampling element 24, and sampling element 24 is for to smoke sampling.Concrete, in the present embodiment, take arranging two and get feed channel 23 as example in Fig. 2, certainly, the radical of getting feed channel 23 is not limited to two, also can be three, five etc.Get for every and in feed channel 23, arrange some sampling elements 24, the number of concrete sampling element 24 can be 4 shown in Fig. 2, also can be 3,5 etc.The number of the concrete radical of getting feed channel 23 and the sampling element 24 of upper setting thereof can be chosen setting according to the real space size of reactor outlet flue 21.Sampling element 24 can be convenient to the structure that flue gas enters for pore, tracheae etc.
The other end of getting feed channel 23 is communicated to mixed air vessel 26, for flue gas being transported to mixed air vessel 26; In mixed air vessel 26, be provided with at least one sampling probe 27, mixed air vessel 26, for the flue gas of getting feed channel 23 conveyings is mixed, is detected for sampling probe 27; The other end of mixed air vessel 26 is communicated to air preheater gas approach 22.Detected flue gas, utilize flue gas principle of differential pressure by getting feed channel 23 in reactor outlet flue 21, mixed air vessel 26, form flue gas loop between air preheater gas approach 22 threes, at the interior employing multidraw of reactor outlet flue 21 gas, by getting feed channel 23Jiang Yangqi suction mixed air vessel 26, reach sufficient mixing.The gas type that can monitor as required that specifically arranges of sampling probe 27 arranges, and as shown in Figure 2, has selected NO in the present embodiment
x, O
2sampling probe, be respectively used to NO
x, O
2content.
The denitrification apparatus that compared with prior art the utility model embodiment provides has following characteristics and beneficial effect by matrix form multidraw system: the utility model embodiment denitrification apparatus adopts and the distinct sampling mode of traditional denitration CEMS by matrix form multidraw system, the utility model embodiment is sampled representative, because sample gas is to come by getting feed channel multi-point sampling, and fully mix through mixed air vessel, flow velocity 2m/s left and right in air chamber, flow field is very even, sampling probe samples from air chamber, therefore its smoke components has good representativeness.
As technique scheme preferably, a plurality of sampling elements 24 are matrix form and distribute.The matrix form that is of sampling element 24 distributes and to compare rambling multiple spot sampling element is set, can be so that sampling element 24 be more evenly distributed in reactor outlet flue 21, rationally, thus also can be the more comprehensively representative flue gas of taking each positions in reactor outlet flue 21 by getting feed channel 23, carry for detection.As technique scheme preferably, sampling element 24 is 800-1000mm in the spacing of getting in feed channel 23.After combining by practical experience and experimental data, draw, getting in feed channel 23 every spacing 800-1000mm, that a sampling element 24 is set is the most suitable.
In prior art, traditional denitration CEMS sampler flue gas of living in is not owing to passing through fly-ash separator, and dust concentration is up to 20-50g/m
3, the wearing and tearing and the latch up phenomenon that are easy to cause small-bore sampling probe He get feed channel, simultaneously because boiler is thrown oily combustion-supporting, a large amount of fume pollutions in flue gas also stop up sampling probe, cause analyser because of malfunctioning without flow, monitoring analysis data failure, the workload that site examining and repairing is safeguarded is very large.
As technique scheme preferably, on sampling element 24, be provided with filter element 25, filter element 25 is for filtering the dust of flue gas.Due to the filter element 25 of sampling element 24 configuration filter net types, the Dust Capacity in flue gas reduces greatly, and flue gas is transferred in mixed air vessel 26 again and detects for sampling probe 27 after getting feed channel 23, has reduced the probability that sampling probe stops up.The filter element 25 of filter net type can be wrapped in outside sampling element 24, matches with sampling element profile, when sampling element is tracheae, also can be arranged on the position, termination of tracheae.
As technique scheme preferably, in order to prevent entering and having wear-resisting effect of dust, the present embodiment provides a kind of concrete sampling element.Fig. 3 is the structural representation of sampling element in Fig. 2, referring to Fig. 3, this sampling element 24 comprises cylindrical shell 241, one end of cylindrical shell 241 is provided with the leachy bottom 242 of tool, pore is connected with outlet pipe, the other end is connected with the end cap 243 with opening, and the end cap end of cylindrical shell is connected to gets feed channel 23, and the barrel of cylindrical shell 241 is fence structure.Pore can connect by modes such as welding, screw, buckles between outlet pipe.
Preferred in the present embodiment, the cylindrical shell 241 of sampling element 24 is both ends open, and the barrel at middle part is fence structure, and fence structure can increase the percent of pass of flue gas, and can guarantee the intensity of cylindrical shell 241 integral body.Certainly the barrel of cylindrical shell 241 also can be for netted or evenly spread all over the structure of pore.
In order to strengthen the filtration to dust in flue gas, the filter element 25 adding on sampling element 24, filter element 25 is arranged on cylindrical shell 241 inside, the shape of filter element 25 and the cylindrical shell of sampling element 241 inwalls match, the flue gas entering in cylindrical shell 241 fully can be filtered, reduce dust impact, and this setup is convenient to fixing filter element 25
Blowback sweeping device purges the dust of getting in feed channel 23, in the sampling element 24 of this kind of structure, the pressurized air blow valve port 244 of blowback sweeping device can be arranged on to the end caps of sampling element.The air-flow that blowback is swept flows out from the pore of bottom 242.The sampling element that the present embodiment provides arranges filter element, and installs pressurized air blowback sweeping device additional getting feed channel, realizes online ash removal and purges, and can effectively solve traditional sampling method easily stifled, easily mill, problem that maintenance workload is large.
As technique scheme preferably, the material of filter element 25 is silit.Silit, English name: silicon carbide, is commonly called as emery.Pure silit is water white crystal, silit due to stable chemical performance, coefficient of heat conductivity is high, thermal expansivity is little, anti-wear performance is good.The material of filter element 25 adopts the good silit (SIC) of anti-wear performance, can reduce the wearing and tearing of dust to filter element 25, improves serviceable life, reduces manual maintenance cost.Silit filter element is anti-wear, and the soot dust granule degree after silit filter element filters is little, sampling in Qie mixed air vessel 26, and flue gas flow rate is low, greatly reduces the wearing and tearing of flue gas to sampling probe 27.
As technique scheme preferably, get feed channel 23 and be also connected with blowback sweeping device, blowback sweeping device purges for getting the dust of feed channel 23.Not shown blowback sweeping device in Fig. 2, can get in feed channel 23 and realize by accesses such as blower fans, originally be embodiment by installing blowback sweeping device additional getting feed channel, realizing online ash removal purges, prevent from getting feed channel and blocked by dust, further reduced greatly obstruction and wearing and tearing that in flue gas, dust enters 26 pairs of sampling probes 27 of mixed air vessel.
As technique scheme preferably, get one end that feed channel 23 is connected to mixed air vessel 26 and be also connected with sampling blower fan, sampling blower fan is for being blown into mixed air vessel 26 by flue gas.Although detected flue gas can utilize flue gas principle of differential pressure by getting feed channel 23 in reactor outlet flue 21, mixed air vessel 26, form flue gas loop between air preheater gas approach 22 threes, in order further to improve the flue gas circulation in flue gas loop, in getting feed channel 23, connect sampling blower fan, accelerate flue gas to the circulation of mixed air vessel 26, further improve in mixed air vessel 26 and respectively get the flue gas mixability that feed channel 23 transports, thus the sampling effect of raising sampling probe 27.
As technique scheme preferably, the diameter of mixed air vessel 26 is 250-300mm.The mixed air vessel 26 of this size is conducive to the mixing of multi-channel flue-gas and arrange in the position of sampling probe 27.
Due to dust-laden, moisture in flue gas, must be to fume extraction pipeline heating, so sample in flue gas sampling system, gas transfers in the process of analyser needs uniform temperature, make more than flue gas maintains dewpoint temperature, so need length, apart from accompanying-heat cable, pipeline is accompanied to heat, if companion's thermal effect is poor, can cause flue gas in pipe dewfall, in flue gas, under the acting in conjunction of dust, cause sampling conduit obstruction, but in prior art, denitration CEMS is longer to the accompanying-heat cable of analyzer sample pipe from getting gas point.
The optimization method of the present embodiment is guided to mixed air vessel near analyser, greatly shortened the length of sampling line, companion's heat distance is exactly that sampling probe is to the distance of CEMS analysis room, this sampling probe of matrix form is at mixing chamber, distance C EMS is very near, so heat tracing pipe is very short, reduced the risk of data hysteresis and line clogging, reduced the workload of daily servicing.And mixed air vessel and sampling probe are arranged on to the platform that is easy to arrival, system overhaul are safeguarded more simple.
Matrix form multidraw system for the denitrification apparatus that the utility model embodiment provides, take in Fig. 2 is example, getting feed channel 23 for two extracts flue gas from reactor outlet flue 21 by sampling element 24, utilize sampling blower fan or the pressure reduction by front and back flue that flue gas is entered in mixed air vessel 26 smoothly, from then on sampling probe 27 directly extracts flue gas analysis in air chamber, and residue flue gas enters in air preheater gas approach 22.
Sampling element 24 is with wearable silicon nitride (SIC) filter element 25, from two are got flue gas that feed channel 23 extracts and mix, utilize sampling blower fan or the pressure reduction by front and back flue to make flue gas enter smoothly in mixed air vessel 26, sampling probe 27 directly extracts flue gas analysis from mixed air vessel 26, residue flue gas enters in air preheater gas approach 22, and install blowback sweeping device additional getting feed channel 23, and realize online ash removal and purge, guarantee the unimpeded of gas circuit.
The present embodiment provides a kind of denitration CEMS system of having optimized, can effectively solve traditional sampling method easily stifled, easily large, the sampling of mill, maintenance workload does not have representational problem, to thermal power plant's denitration of later enforcement, newly-built and improvement project has promotional value extremely widely for it.
The denitrification apparatus that the utility model embodiment provides is compared with traditional denitration CEMS system by matrix form multidraw system, and the equipment of minimizing comprises: the materials such as sampling probe, accompanying-heat cable, have increased sampling element and got the materials such as feed channel.Initial cost increase and decrease situation sees the following form 1:
As seen from Table 1, denitrification apparatus is compared with traditional denitration CEMS system by matrix form multidraw system, and outfit of equipment initial cost can reduce 16.7 ten thousand yuan, and cost reduces greatly.
Above-described embodiment is not the exhaustive of embodiment; also can there is other embodiment; above-described embodiment object is to illustrate the utility model, and unrestricted protection domain of the present utility model, all application that come by the utility model simple change all drop in protection domain of the present utility model.
This patent specification use-case removes to show the utility model, comprising optimal mode, and those of ordinary skill in the art is manufactured and use this utility model.The delegatable scope of this utility model comprises the content of claims and the content of the embodiment in instructions and other embodiment.These other examples also should belong to the scope that the utility model patent right requires, as long as they contain the described technical characterictic of the identical written language of claim, or they include and the similar literal language described technical characterictic of claim without essence difference.
All patents, the full content of patented claim and other list of references should be incorporated to present specification by reference.But if a term in the application conflicts mutually with the term of including list of references in, preferential with the application's term.
All scopes disclosed herein all comprise end points, and between end points, are to combine independently of one another.
It should be noted that " first ", " second " or similar vocabulary do not represent any order, and quality or importance are just used for distinguishing different technical characterictics.The implication that the qualifier " approximately " using in conjunction with quantity comprises described value and content context appointment.(for example: it includes the error while measuring specific quantity).
Claims (10)
1. a matrix form multidraw system for denitrification apparatus, is characterized in that, described system comprises and forms the reactor outlet flue, mixed air vessel in flue gas loop and to air preheater gas approach;
Get feed channel for many that arrange in described reactor outlet flue, get described in each and in feed channel, be furnished with at least one sampling element, described sampling element is for to smoke sampling;
The described other end of getting feed channel is communicated to described mixed air vessel, for described flue gas is transported to described mixed air vessel; In described mixed air vessel, be provided with at least one sampling probe, described mixed air vessel, for the described flue gas of getting feed channel conveying is mixed, is detected for described sampling probe; The other end of described mixed air vessel is communicated to described to air preheater gas approach.
2. matrix form multidraw system for denitrification apparatus according to claim 1, is characterized in that, a plurality of described sampling elements are matrix form and distribute.
3. matrix form multidraw system for denitrification apparatus according to claim 2, is characterized in that, described sampling element is 800-1000mm in described spacing of getting in feed channel.
4. matrix form multidraw system for denitrification apparatus according to claim 1, is characterized in that, on described sampling element, is provided with filter element, and described filter element is for filtering the dust of flue gas.
5. matrix form multidraw system for denitrification apparatus according to claim 4, it is characterized in that, described sampling element comprises cylindrical shell, one end of described cylindrical shell is provided with the leachy bottom of tool, described pore is connected with outlet pipe, the other end is connected with the end cap with opening, described in the end cap end of described cylindrical shell is connected to, gets feed channel, and the barrel of described cylindrical shell is fence structure.
6. matrix form multidraw system for denitrification apparatus according to claim 5, is characterized in that, described filter element is arranged on the inner side of described cylindrical shell.
7. matrix form multidraw system for denitrification apparatus according to claim 4, is characterized in that, the material of described filter element is silit.
8. matrix form multidraw system for denitrification apparatus according to claim 1, is characterized in that, described in get feed channel and be also connected with blowback sweeping device, the dust of getting described in described blowback sweeping device is used in feed channel purges.
9. matrix form multidraw system for denitrification apparatus according to claim 1, is characterized in that, described in get one end that feed channel is connected to described mixed air vessel and be also connected with sampling blower fan, described sampling blower fan is for being blown into described mixed air vessel by flue gas.
10. matrix form multidraw system for denitrification apparatus according to claim 1, is characterized in that, the diameter of described mixed air vessel is 250-300mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420242371.6U CN203849069U (en) | 2014-05-13 | 2014-05-13 | Matrix type multipoint sampling system for denitration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420242371.6U CN203849069U (en) | 2014-05-13 | 2014-05-13 | Matrix type multipoint sampling system for denitration device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940641A (en) * | 2014-05-13 | 2014-07-23 | 北京国电龙源环保工程有限公司 | Matrix multipoint sampling system of denitration device |
| CN104880536A (en) * | 2015-03-30 | 2015-09-02 | 北京京能电力股份有限公司石景山热电厂 | Multi-point-location nitrogen oxide continuous monitoring device and continuous monitoring method for SCR reactors |
| CN108051259A (en) * | 2017-11-01 | 2018-05-18 | 浙江浩普环保工程有限公司 | Built-in movable type pollutant sampling apparatus |
| CN110987547A (en) * | 2019-12-17 | 2020-04-10 | 广州中电荔新电力实业有限公司 | Flue gas monitoring system of flue denitration export |
-
2014
- 2014-05-13 CN CN201420242371.6U patent/CN203849069U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940641A (en) * | 2014-05-13 | 2014-07-23 | 北京国电龙源环保工程有限公司 | Matrix multipoint sampling system of denitration device |
| CN103940641B (en) * | 2014-05-13 | 2016-06-15 | 北京国电龙源环保工程有限公司 | Denitrification apparatus matrix form multidraw system |
| CN104880536A (en) * | 2015-03-30 | 2015-09-02 | 北京京能电力股份有限公司石景山热电厂 | Multi-point-location nitrogen oxide continuous monitoring device and continuous monitoring method for SCR reactors |
| CN108051259A (en) * | 2017-11-01 | 2018-05-18 | 浙江浩普环保工程有限公司 | Built-in movable type pollutant sampling apparatus |
| CN110987547A (en) * | 2019-12-17 | 2020-04-10 | 广州中电荔新电力实业有限公司 | Flue gas monitoring system of flue denitration export |
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Address after: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing. Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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Granted publication date: 20140924 |