CN213181246U - Flue gas wheel patrols monitoring pipe device - Google Patents
Flue gas wheel patrols monitoring pipe device Download PDFInfo
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- CN213181246U CN213181246U CN202021409241.9U CN202021409241U CN213181246U CN 213181246 U CN213181246 U CN 213181246U CN 202021409241 U CN202021409241 U CN 202021409241U CN 213181246 U CN213181246 U CN 213181246U
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- flue gas
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Abstract
The utility model discloses a flue gas is patrolled in turn and is monitored pipe device belongs to the flue gas monitoring field, include: the sampling device comprises a flue gas pipeline body, wherein the flue gas pipeline body is provided with a plurality of flue gas monitoring pipelines, the gas inlet of each flue gas monitoring pipeline is provided with a plurality of sampling pipes with different lengths, the sampling pipes are fixedly arranged at the gas inlet of each flue gas monitoring pipeline through a fixed seat, and the gas inlet of each flue gas monitoring pipeline is provided with a filter and a control valve; a plurality of sampling probe, a plurality of sampling probe's detection portion insert locate every flue gas monitoring pipeline in, a plurality of sampling probe all assemble in a female pipe of sample to through the female union coupling gas analysis appearance of sample. The beneficial effects of the utility model reside in that: be equipped with a plurality of flue gas monitoring pipelines on flue gas pipeline body, its air inlet is equipped with a plurality of sampling tubes different in size and takes a sample, carries out sampling monitoring to flue gas monitoring pipeline respectively, has avoided because flue gas pipeline inner space is great and lead to the monitoring result inaccurate.
Description
Technical Field
The utility model relates to a flue gas monitoring field especially relates to a flue gas wheel patrols monitoring pipe device.
Background
The flue gas monitoring refers to the monitoring of the concentration and the total emission amount of gaseous pollutants and particulate matters emitted by an atmospheric pollution source. At present, the emission of sulfur dioxide and carbon dioxide in China is respectively the first place and the second place in the world. The main reason for serious pollution of the air quality is an energy structure mainly based on coal, and 70 percent of the Chinese power generation industry is coal-fired power generation. The smoke discharged by the coal-fired power plant contains smoke, carbon dioxide, sulfur dioxide, nitric oxide and a small amount of carbon monoxide, the smoke directly influences the environmental quality of the atmosphere, and the carbon dioxide, the sulfur dioxide, the nitric oxide and the like are acid gases and are main factors for forming acid rain. The emission control of the smoke pollutants of the coal-fired power plant firstly needs to carry out the environmental monitoring work of a pollution source, which is the basis and scale of environmental management.
At present, in order to ensure that the emission quality of flue gas reaches the standard, online monitoring equipment needs to be arranged on a flue gas pipeline to detect the quality of the flue gas emitted in the flue gas pipeline, but because the internal space of the flue gas pipeline is large, the online monitoring equipment is positioned at the local position of the flue gas pipeline, and the monitoring result is difficult to reflect a real result; the detection result of the on-line monitoring equipment can be influenced by various aspects such as flue gas speed, concentration and the like, and the accuracy of monitoring data is also influenced, so that aiming at the problem, the flue gas polling monitoring pipeline device is urgently needed to be developed to meet the requirement of actual use.
Disclosure of Invention
An object of the utility model is to provide a flue gas is taken turns and is patrolled monitoring pipe device, technical problem more than solving.
The utility model provides a technical problem can adopt following technical scheme to realize:
the utility model provides a flue gas is patrolled in turn and is monitored pipe-line installation, include:
the sampling device comprises a flue gas pipeline body, wherein the flue gas pipeline body is provided with a plurality of flue gas monitoring pipelines, the gas inlet of each flue gas monitoring pipeline is provided with a plurality of sampling pipes with different lengths, the sampling pipes are fixedly arranged at the gas inlet of each flue gas monitoring pipeline through a fixed seat, and the gas inlet of each flue gas monitoring pipeline is provided with a filter and a control valve;
the detection parts of the sampling probes are inserted in each smoke monitoring pipeline, and the sampling probes are gathered in a sampling main pipe and connected with a gas analyzer through the sampling main pipe.
Preferably, each flue gas monitoring pipeline is provided with at least one layer of inclined condensing plate and a water outlet, and the water outlet is arranged at the lowest position of the condensing plate.
Preferably, the air outlet of each sampling probe is provided with a pneumatic valve and a manual valve.
Preferably, the gas outlet of each flue gas monitoring pipeline is connected with the flue gas pipeline body through a one-way diversion valve.
Preferably, every the sampling tube is a predetermined angle and inserts and locate in the flue gas pipeline, along this internal flue gas flow's of flue gas pipeline direction, the length of sampling tube increases gradually.
Preferably, the sampling device further comprises a purging device, and the purging device is respectively connected with each smoke monitoring pipeline and the sampling main pipe through a purging valve.
Preferably, a flow meter is arranged between the sampling main pipe and the gas analyzer.
Preferably, the preset angle is 30 degrees.
Preferably, the sampling probe adopts an electric heating type sampling probe or a dilution sampling probe.
Preferably, the gas analyzer is an ultraviolet fluorescence analyzer or a chemiluminescence analyzer.
The utility model discloses technical scheme's beneficial effect lies in:
the flue gas wheel inspection monitoring pipeline device is characterized in that a plurality of flue gas monitoring pipelines with different areas are arranged on a flue gas pipeline body in parallel, a plurality of sampling pipes with different lengths are arranged at the gas inlet of each flue gas monitoring pipeline for sampling, and the flue gas monitoring pipelines are respectively sampled and monitored, so that the problem that the monitoring result is inaccurate due to the fact that the inner space of the flue gas pipeline body is large is avoided; the flue gas monitoring pipeline and the sampling probe are respectively controlled by the control valve, the pneumatic valve and the manual valve, so that the flue gas respectively enters the analyzer for monitoring and analysis; the flow rate of the sampled flue gas entering the analyzer is controlled by the flowmeter, so that the accuracy of an analysis result is improved.
Drawings
Fig. 1 is the utility model discloses in, the flue gas is taken turns and is patrolled monitoring piping arrangement's block diagram.
Description of reference numerals:
flue gas pipeline body (1), flue gas monitoring pipeline (2), sampling probe (3), pneumatic valve (31), manual valve (32), sample mother pipe (4), gas analyzer (5), flowmeter (51), purging device (6), purge valve (61).
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model provides a flue gas is patrolled in turn and is monitored pipe-line installation belongs to the flue gas monitoring field, as shown in figure 1, include:
the device comprises a flue gas pipeline body 1, wherein the flue gas pipeline body 1 is provided with a plurality of flue gas monitoring pipelines 2, the gas inlet of each flue gas monitoring pipeline 2 is provided with a plurality of sampling pipes with different lengths, the plurality of sampling pipes (not shown in the figure) are fixedly arranged at the gas inlet of each flue gas monitoring pipeline 2 through a fixed seat, and the gas inlet of each flue gas monitoring pipeline 2 is provided with a filter and a control valve;
a plurality of sampling probe 3, a plurality of sampling probe 3's detection portion are inserted and are located in every flue gas monitoring pipe 2, and a plurality of sampling probe 3 all assemble in a sample female pipe 4 to connect gas analyzer 5 through sample female pipe 4.
Specifically, the smoke gas polling monitoring pipeline device comprises a smoke gas pipeline body 1 and a plurality of smoke gas monitoring pipelines 2 connected with the smoke gas pipeline body 1 in parallel, wherein the smoke gas monitoring pipelines 2 are respectively arranged at different area positions of the smoke gas pipeline body 1, smoke gas in the smoke gas pipeline is introduced into the smoke gas monitoring pipelines 2 for monitoring, and the problems that the internal space of the smoke gas pipeline is too large, and the flow velocity and temperature of internal airflow are uneven, so that the influence on measurement is avoided; a plurality of sampling pipes with different lengths are arranged at the air inlet of each flue gas monitoring pipeline 2, the sampling pipes are fixedly arranged at the air inlet of each flue gas monitoring pipeline 2 through a fixed seat, and a filter (not shown in the figure) and a control valve (not shown in the figure) are arranged at the air inlet of each flue gas monitoring pipeline 2; a plurality of sampling probes 3 are inserted into each flue gas monitoring pipeline 2, and the sampling probes 3 are all gathered in a sampling main pipe 4 and are connected with a gas analyzer 5 through the sampling main pipe 4.
Further, still include valve control unit for control the control valve that every flue gas monitoring pipe 2 corresponds, through opening and shutting of control valve, carry out sampling monitoring to flue gas monitoring pipe 2 in proper order.
Further, the inside of the flue gas monitoring pipeline 2 is coated with a high-temperature anticorrosive coating, the main components of the coating are nano micro powder, ceramic micro beads, silicon carbide, boron nitride, fine crystal alumina, superfine zinc oxide, titanium oxide and the like, and the corrosion resistance of the flue gas pipeline can be kept for a long time.
In a preferred embodiment, each flue gas monitoring pipeline 2 is provided with at least one inclined condensing plate 7 and a water outlet, the water outlet is arranged at the lowest position of the condensing plate, and the condensing plate 7 is used for condensing water vapor contained in flue gas and discharging the water vapor from the water outlet.
In a preferred embodiment, the flue gas polling monitoring pipeline device is provided with a pneumatic valve 31 and a manual valve 32 at the air outlet of each sampling probe 3.
As a preferred embodiment, the flue gas polling monitoring pipeline device has the advantages that the gas outlet of each flue gas monitoring pipeline 2 is connected with the flue gas pipeline body 1 through a one-way diversion valve, so that the flue gas is prevented from flowing backwards.
As a preferred embodiment, in the flue gas polling monitoring pipeline device, each sampling tube is inserted into the flue gas pipeline at a preset angle, and the length of the sampling tube is gradually increased along the flowing direction of the flue gas in the flue gas pipeline body 1.
As a preferred embodiment, the flue gas polling monitoring pipeline device further comprises a purging device 6, the purging device 6 is respectively connected with each flue gas monitoring pipeline 2 and the sampling main pipe 4 through a purging valve 61, and before or after measurement, purging gas is controlled through the purging valve 61 to purge each flue gas monitoring pipeline 2 and the corresponding sampling main pipe 4.
In a preferred embodiment, the flue gas polling monitoring pipeline device is provided with a flow meter 51 between the sampling main pipe 4 and the gas analyzer 5, and the flow meter 51 is used for controlling the flow rate of the sampling gas entering the analyzer.
In a preferred embodiment, the flue gas polling monitoring pipeline device is provided, wherein the preset angle is 30 degrees.
In a preferred embodiment, the flue gas polling monitoring pipeline device adopts an electric heating type sampling probe or a dilution sampling probe as the sampling probe 3.
In a preferred embodiment, the flue gas polling monitoring pipeline device is provided, wherein the gas analyzer 5 is an ultraviolet fluorescence analyzer or a chemiluminescence analyzer.
The utility model discloses technical scheme's beneficial effect lies in:
the flue gas wheel inspection monitoring pipeline device is characterized in that a plurality of flue gas monitoring pipelines with different areas are arranged on a flue gas pipeline body in parallel, a plurality of sampling pipes with different lengths are arranged at the gas inlet of each flue gas monitoring pipeline for sampling, and the flue gas monitoring pipelines are respectively sampled and monitored, so that the problem that the monitoring result is inaccurate due to the fact that the inner space of the flue gas pipeline body is large is avoided; the flue gas monitoring pipeline and the sampling probe are respectively controlled by the control valve, the pneumatic valve and the manual valve, so that the flue gas respectively enters the analyzer for monitoring and analysis; the flow rate of the sampled flue gas entering the analyzer is controlled by the flowmeter, so that the accuracy of an analysis result is improved.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. The utility model provides a flue gas is patrolled in turn and is monitored piping installation which characterized in that includes:
the sampling device comprises a flue gas pipeline body, wherein the flue gas pipeline body is provided with a plurality of flue gas monitoring pipelines, the gas inlet of each flue gas monitoring pipeline is provided with a plurality of sampling pipes with different lengths, the sampling pipes are fixedly arranged at the gas inlet of each flue gas monitoring pipeline through a fixed seat, and the gas inlet of each flue gas monitoring pipeline is provided with a filter and a control valve;
the detection parts of the sampling probes are inserted in each smoke monitoring pipeline, and the sampling probes are gathered in a sampling main pipe and connected with a gas analyzer through the sampling main pipe.
2. The fume polling monitoring pipeline device according to claim 1, wherein each fume monitoring pipeline is provided with at least one layer of inclined condensing plate and a water outlet, and the water outlet is arranged at the lowest position of the condensing plate.
3. The fume polling monitoring pipeline device according to claim 1, wherein a pneumatic valve and a manual valve are arranged at an air outlet of each sampling probe.
4. The fume polling monitoring pipeline device according to claim 1, wherein the gas outlet of each fume monitoring pipeline is connected with the fume pipeline body through a one-way diverter valve.
5. The fume polling monitoring pipeline device according to claim 1, wherein each of the sampling pipes is inserted into the fume duct at a predetermined angle, and the length of the sampling pipe is gradually increased along the direction of the fume flowing in the fume duct body.
6. The fume polling monitoring pipeline device according to claim 1, further comprising a purging device, wherein the purging device is connected to each fume monitoring pipeline and the sampling main pipe through a purging valve.
7. The fume polling monitoring pipeline device according to claim 1, wherein a flow meter is arranged between the sampling main pipe and the gas analyzer.
8. The fume polling monitoring pipe device according to claim 5, wherein the preset angle is 30 degrees.
9. The fume polling monitoring pipeline device according to claim 1, wherein the sampling probe is an electrically heated sampling probe or a diluted sampling probe.
10. The fume polling monitoring pipeline apparatus according to claim 1, wherein the gas analyzer is an ultraviolet fluorescence analyzer or a chemiluminescence analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021409241.9U CN213181246U (en) | 2020-07-15 | 2020-07-15 | Flue gas wheel patrols monitoring pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021409241.9U CN213181246U (en) | 2020-07-15 | 2020-07-15 | Flue gas wheel patrols monitoring pipe device |
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| Publication Number | Publication Date |
|---|---|
| CN213181246U true CN213181246U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021409241.9U Active CN213181246U (en) | 2020-07-15 | 2020-07-15 | Flue gas wheel patrols monitoring pipe device |
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| CN (1) | CN213181246U (en) |
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2020
- 2020-07-15 CN CN202021409241.9U patent/CN213181246U/en active Active
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