CN216143762U - Power plant smoke emission sampling detection device - Google Patents
Power plant smoke emission sampling detection device Download PDFInfo
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- CN216143762U CN216143762U CN202121088002.2U CN202121088002U CN216143762U CN 216143762 U CN216143762 U CN 216143762U CN 202121088002 U CN202121088002 U CN 202121088002U CN 216143762 U CN216143762 U CN 216143762U
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Abstract
The utility model discloses a sampling detection device for flue gas emission of a power plant, which comprises: the denitration device comprises a combustion furnace, a transfer drainage box, a deacidification tower, a denitration tower and a support bracket, wherein the combustion furnace, the deacidification tower and the denitration tower are sequentially connected, the support bracket is arranged on the combustion furnace, the transfer drainage box is arranged on the support bracket, the transfer drainage box is connected to the denitration tower through a transfer drainage structure, and a temperature control structure is arranged in the transfer drainage box; the utility model relates to the technical field of smoke measurement, and discloses a smoke negative pressure drainage device in a denitration tower.
Description
Technical Field
The utility model relates to the technical field of smoke measurement, in particular to a sampling and detecting device for smoke emission of a power plant.
Background
In recent years, with the continuous development of economy, the haze problem becomes more serious, and the high social attention is attracted. The increase of PM2.5 particles in the air is the main reason of haze formation. PM2.5 particles emitted by a fixed pollution source are an important source of air PM2.5, and how to reasonably monitor PM2.5 in exhaust gas of the fixed pollution source has great significance for establishing control measures and emission standards of PM2.5 pollution. At present, no sampling method for PM2.5 particulate matters is available, only a sampling method for total particulate matters is available, existing smoke detection equipment detects smoke in a pipeline, detection is inaccurate, and detection errors of the discharged smoke are prone to occur due to temperature.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a sampling detection device for flue gas emission of a power plant, which solves some problems of the prior art.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a sampling detection device for flue gas emission of a power plant comprises: the denitration device comprises a combustion furnace, a transfer drainage box, a deacidification tower, a denitration tower and a support bracket, wherein the combustion furnace, the deacidification tower and the denitration tower are sequentially connected, the support bracket is arranged on the combustion furnace, the transfer drainage box is arranged on the support bracket, the transfer drainage box is connected to the denitration tower through a transfer drainage structure, and a temperature control structure is arranged in the transfer drainage box;
the transfer drainage structure includes: the device comprises a transfer air exhaust driving machine, a transfer air exhaust driving bevel gear, a transfer air exhaust transmission bevel gear, a transfer air exhaust driving threaded rod, a transfer air exhaust driving threaded pipe, an air exhaust plate, an air exhaust valve and a measuring valve;
the transfer air exhaust driver is arranged on the transfer drainage box, the transfer air exhaust driving bevel gear is arranged on the driving end of the transfer air exhaust driver, the transfer air exhaust driving threaded pipe is inserted into the transfer drainage box through a bearing, the transfer air exhaust transmission helical gear is arranged on the transfer air exhaust driving threaded pipe, the transfer air exhaust transmission helical gear is meshed with the transfer air exhaust driving helical gear, the transfer air exhaust driving threaded rod is movably inserted in the transfer air exhaust driving threaded pipe, the air exhaust plate is arranged on the transfer air exhaust driving threaded rod, the air exhaust valve is arranged on the transfer drainage box, and the other end of the air suction valve is connected to the denitration tower, the measuring valve is installed on the transfer drainage box, and the other end of the measuring valve is connected to the temperature control structure.
Preferably, the temperature control structure comprises: the device comprises a temperature control box, an electric heating coil pipe, a plurality of sampling boxes with the same structure, a shunt drainage pipe and a plurality of collectors with the same structure;
a plurality of temperature control box install in on the transfer drainage case outside, the electric heat coiled pipe install in the temperature control box, a plurality of the sampling box respectively even install in the temperature control box, a plurality of the collector install respectively in a plurality of in the sampling box, the reposition of redundant personnel drainage tube connect in on the measuring valve, just the reposition of redundant personnel drainage tube connect in a plurality of in the sampling box.
Preferably, a temperature sensor is arranged in the temperature control box.
Preferably, a rotary sealing door is arranged on the temperature control box.
Preferably, a pressure relief valve is arranged on the temperature control box.
Preferably, the temperature control box is provided with an observation hole.
The utility model provides a sampling detection device for flue gas emission of a power plant. The method has the following beneficial effects: this power plant's fume emission sampling detection device, through the smog negative pressure drainage outflow of transfer drainage structure in with the denitration tower, carry out temperature regulation through the control by temperature change structure to transfer drainage structure simultaneously, avoided appearing the temperature transformation in transfer and testing process for the phenomenon of error appears in the composition that smog detected.
Drawings
Fig. 1 is a schematic front sectional view of a sampling and detecting device for flue gas emission from a power plant according to the present invention.
Fig. 2 is a schematic diagram of a transfer drainage structure of the sampling and detecting device for flue gas emission of a power plant.
FIG. 3 is a schematic view of a temperature control structure of the sampling and detecting device for flue gas emission of a power plant according to the present invention.
In the figure: 1. a combustion furnace; 2. transferring the drainage box; 3. a deacidification tower; 4. a denitration tower; 5. a support bracket; 6. a transfer air pumping driver; 7. the helical gear is driven by transfer air suction; 8. transferring, exhausting and driving the bevel gear; 9. a transfer air extraction driving threaded rod; 10. transferring and pumping to drive the threaded pipe; 11. an air extraction plate; 12. an air extraction valve; 13. a measuring valve; 14. a temperature control box; 15. an electric heating coil pipe; 16. a sampling box; 17. a shunt drainage tube; 18. a collector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.
As shown in fig. 1-3, the combustion furnace 1, the deacidification tower 3 and the denitration tower 4 are sequentially connected, the support frame 5 is mounted on the combustion furnace 1, the transfer drainage box 2 is mounted on the support frame 5, the transfer drainage box 2 is connected to the denitration tower 4 through a transfer drainage structure, and a temperature control structure is arranged in the transfer drainage box 2; the transfer drainage structure includes: the device comprises a transfer air exhaust driving machine 6, a transfer air exhaust driving bevel gear 7, a transfer air exhaust transmission bevel gear 8, a transfer air exhaust driving threaded rod 9, a transfer air exhaust driving threaded pipe 10, an air exhaust plate 11, an air exhaust valve 12 and a measuring valve 13; the transfer air exhaust driving machine 6 is arranged on the transfer drainage box 2, the transfer air exhaust driving bevel gear 7 is arranged on the driving end of the transfer air exhaust driving machine 6, the transfer air exhaust driving threaded pipe 10 is inserted into the transfer drainage box 2 through a bearing, the transfer air exhaust transmission helical gear 8 is arranged on the transfer air exhaust driving threaded pipe 10, and the transfer air exhaust transmission helical gear 8 is in gear engagement with the transfer air exhaust driving helical gear 7, the transfer air exhaust driving threaded rod 9 is movably inserted in the transfer air exhaust driving threaded pipe 10, the air exhaust plate 11 is arranged on the transfer air exhaust driving threaded rod 9, the air exhaust valve 12 is arranged on the transfer drainage box 2, the other end of the air extraction valve 12 is connected to the denitration tower 4, the measuring valve 13 is installed on the transfer drainage box 2, and the other end of the measuring valve 13 is connected to the temperature control structure; the temperature control structure comprises: the device comprises a temperature control box 14, an electric heating coil pipe 15, a plurality of sampling boxes 16 with the same structure, a shunt drainage pipe 17 and a plurality of collectors 18 with the same structure; a plurality of temperature control boxes 14 are arranged on the outer side of the transfer drainage box 2, the electric heating coil pipes 15 are arranged in the temperature control boxes 14, a plurality of sampling boxes are respectively and uniformly arranged in the temperature control boxes 14, a plurality of collectors 18 are respectively arranged in the plurality of sampling boxes, the shunt drainage pipe 17 is connected to the measuring valve 13, and the shunt drainage pipe 17 is connected to a plurality of sampling boxes 16; a temperature sensor is arranged in the temperature control box 14; a rotary sealing door is arranged on the temperature control box 14; a pressure release valve is arranged on the temperature control box 14; an observation hole is arranged on the temperature control box 14.
From the above, it follows: by closing the air extracting valve 12, opening the measuring valve 13, operating through the transfer air extracting driving machine 6, driving the transfer air extracting driving bevel gear 7 on the driving end of the transfer air extracting driving bevel gear 6 to rotate, driving the transfer air extracting driving bevel gear 8 engaged with the transfer air extracting driving bevel gear 7 to rotate through the transfer air extracting driving bevel gear 8, driving the transfer air extracting driving threaded pipe 10 thereon to rotate through the transfer air extracting driving threaded pipe 10, driving the transfer air extracting driving threaded rod 9 therein to rotate through the transfer air extracting driving threaded rod 9, driving the air extracting plate 11 thereon through the transfer air extracting driving threaded rod 9, extracting air in the transfer drainage box 2 through the air extracting plate 11, thereby achieving the purpose of pumping the smoke in the denitration tower 4 into the transfer drainage box 2, closing the measuring valve 13 by opening the air extracting valve 12, operating through the transfer air extracting driving machine 6 in reverse operation, driving the transfer air extracting driving bevel gear 7 on the transfer air extracting driving machine 6 to rotate in reverse direction, drive helical gear 7 through the transfer and bleed air transmission helical gear 8 counter rotation of gear engagement with it, the transfer drive screwed pipe 10 that bleeds air on it is reverse driven through the transfer drive helical gear 8 rotates, the transfer drive screwed pipe 10 that bleeds air in it is reverse drives through the transfer drive screwed pipe and bleeds air drive threaded rod 9 and descend along the transfer drive screwed pipe 10, the smog drainage in the drainage box 2 of will transferring reaches collector 18 in a plurality of sampling box 16, heat in the temperature control box 14 through electric heat dish winding pipe 15, thereby reach and ensure to be in certain temperature range and measure always among the whole testing process, avoided smog because of the temperature production changes, thereby it is inaccurate to measure.
Preferably, the temperature control structure further comprises: the device comprises a temperature control box 14, an electric heating coil pipe 15, a plurality of sampling boxes 16 with the same structure, a shunt drainage pipe 17 and a plurality of collectors 18 with the same structure;
a plurality of temperature control box 14 install in on the transfer drainage case 2 outside, electric heat coiled pipe 15 install in the temperature control box 14, a plurality of the sampling box respectively even install in the temperature control box 14, a plurality of collector 18 install respectively in a plurality of in the sampling box, reposition of redundant personnel drainage tube 17 connect in on the measuring valve 13, just reposition of redundant personnel drainage tube 17 connect in a plurality of in the sampling box 16.
Preferably, a temperature sensor is disposed in the temperature control box 14.
Preferably, the temperature control box 14 is further provided with a rotary sealing door.
Preferably, a pressure relief valve is further provided on the temperature control box 14.
Preferably, the temperature control box 14 is further provided with a viewing hole.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A sampling detection device for flue gas emission of a power plant comprises: the denitration device comprises a combustion furnace, a transfer drainage box, a deacidification tower, a denitration tower and a support bracket, and is characterized in that the combustion furnace, the deacidification tower and the denitration tower are sequentially connected, the support bracket is arranged on the combustion furnace, the transfer drainage box is arranged on the support bracket, the transfer drainage box is connected to the denitration tower through a transfer drainage structure, and a temperature control structure is arranged in the transfer drainage box;
the transfer drainage structure includes: the device comprises a transfer air exhaust driving machine, a transfer air exhaust driving bevel gear, a transfer air exhaust transmission bevel gear, a transfer air exhaust driving threaded rod, a transfer air exhaust driving threaded pipe, an air exhaust plate, an air exhaust valve and a measuring valve;
the transfer air exhaust driver is arranged on the transfer drainage box, the transfer air exhaust driving bevel gear is arranged on the driving end of the transfer air exhaust driver, the transfer air exhaust driving threaded pipe is inserted into the transfer drainage box through a bearing, the transfer air exhaust transmission helical gear is arranged on the transfer air exhaust driving threaded pipe, the transfer air exhaust transmission helical gear is meshed with the transfer air exhaust driving helical gear, the transfer air exhaust driving threaded rod is movably inserted in the transfer air exhaust driving threaded pipe, the air exhaust plate is arranged on the transfer air exhaust driving threaded rod, the air exhaust valve is arranged on the transfer drainage box, and the other end of the air suction valve is connected to the denitration tower, the measuring valve is installed on the transfer drainage box, and the other end of the measuring valve is connected to the temperature control structure.
2. The sampling and detecting device for flue gas emissions from power plants of claim 1, wherein the temperature control structure comprises: the device comprises a temperature control box, an electric heating coil pipe, a plurality of sampling boxes with the same structure, a shunt drainage pipe and a plurality of collectors with the same structure;
a plurality of temperature control box install in on the transfer drainage case outside, the electric heat coiled pipe install in the temperature control box, a plurality of the sampling box respectively even install in the temperature control box, a plurality of the collector install respectively in a plurality of in the sampling box, the reposition of redundant personnel drainage tube connect in on the measuring valve, just the reposition of redundant personnel drainage tube connect in a plurality of in the sampling box.
3. The power plant flue gas emission sampling and detecting device of claim 2, wherein a temperature sensor is arranged in the temperature control box.
4. The sampling and detecting device for flue gas emission of power plants according to claim 3, wherein a rotary sealing door is arranged on the temperature control box.
5. The power plant flue gas emission sampling and detecting device of claim 4, wherein a pressure relief valve is arranged on the temperature control box.
6. The power plant flue gas emission sampling and detecting device of claim 5, wherein the temperature control box is provided with an observation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121088002.2U CN216143762U (en) | 2021-05-20 | 2021-05-20 | Power plant smoke emission sampling detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121088002.2U CN216143762U (en) | 2021-05-20 | 2021-05-20 | Power plant smoke emission sampling detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216143762U true CN216143762U (en) | 2022-03-29 |
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ID=80799398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121088002.2U Active CN216143762U (en) | 2021-05-20 | 2021-05-20 | Power plant smoke emission sampling detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216143762U (en) |
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2021
- 2021-05-20 CN CN202121088002.2U patent/CN216143762U/en active Active
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