CN217542556U - A sampling device for carbonaceous flying dust of thermal power plant - Google Patents
A sampling device for carbonaceous flying dust of thermal power plant Download PDFInfo
- Publication number
- CN217542556U CN217542556U CN202221205138.1U CN202221205138U CN217542556U CN 217542556 U CN217542556 U CN 217542556U CN 202221205138 U CN202221205138 U CN 202221205138U CN 217542556 U CN217542556 U CN 217542556U
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- China
- Prior art keywords
- sampling
- thermal power
- fly ash
- sampling device
- power plant
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- 238000005070 sampling Methods 0.000 title claims abstract description 74
- 239000000428 dust Substances 0.000 title description 7
- 239000010881 fly ash Substances 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 9
- 241000883990 Flabellum Species 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sampling device for carbon-containing fly ash of thermal power plant, which comprises a shell, a driving motor is arranged at the bottom inside the shell through a support, a negative pressure cavity is arranged at one side of the power output end of the driving motor, a negative pressure fan blade is arranged at the power output end of the driving motor, the negative pressure fan blade is positioned inside the negative pressure cavity, a smoke outlet is arranged at the bottom end of the shell, the top end of the shell is in threaded connection with a top sealing cover, a sampling bag is detachably arranged between the top sealing cover and the inside of the shell through a limiting mechanism, the top end of the top sealing cover is provided with a smoke inlet, the smoke inlet is connected with a sampling main pipe, one end of the sampling main pipe, which is far away from the smoke inlet, is provided with a sampling branch pipe, and the sampling branch pipe is arranged inside a smoke exhaust pipeline through a fixing mechanism; the utility model discloses usable fixed establishment will take a sample the stable inside of fixing at the flue of branch pipe for the sample is even, and is representative strong.
Description
Technical Field
The utility model relates to a boiler plant of thermal power plant detects technical field, specifically is a sampling device for carbonaceous flying dust of thermal power plant.
Background
The carbon content of the fly ash is one of main indexes reflecting the combustion effect of the boiler, and has important influence on the boiler efficiency, so that the fly ash discharged from the boiler needs to be sampled and detected so as to monitor the combustion condition of the boiler and ensure the thermal efficiency of the boiler; the sampling method of the carbon content of the coal dust and the fly ash of domestic power plants basically adopts impact sampling or accumulation sampling.
However, most of the existing samplers are fixed in a flue gas pipeline, and only one sampling port is provided, so that the dust content in the flue gas of the flue gas pipeline is not uniform, the obtained samples do not have strong representativeness, and meanwhile, the sampling port is lack of a limiting mechanism for fixing and is easy to break away from the flue.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampling device for carbonaceous flying dust of thermal power plant to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sampling device for carbonaceous flying dust of thermal power plant, which comprises a housin, there is driving motor casing inside bottom through the support mounting, the casing is inside to set up the negative pressure chamber in driving motor power take off end one side, the negative pressure flabellum is installed to driving motor power take off end, the negative pressure flabellum is located negative pressure intracavity portion, the casing bottom is provided with the outlet flue, casing top threaded connection has the sealed lid in top, through being equipped with stop gear demountable installation there is the sample bag between the sealed lid in top and the casing is inside, the sealed lid top in top is provided with into the mouth, it is connected with the sampling house steward to advance the mouth, the sampling house steward keeps away from into mouth one end and is provided with the sample branch pipe, the sample branch pipe is installed inside the exhaust pipe through being provided with fixed establishment.
Furthermore, the sampling branch pipes are at least provided with four groups at the end part of the sampling main pipe, one ends, far away from the sampling main pipe, of the sampling branch pipes are provided with sampling flaring holes, and the fixing mechanisms are arranged among the sampling branch pipes.
Furthermore, a gas purifier for purifying the discharged gas is arranged on the smoke outlet.
Further, stop gear is including installing in the backup pad on the inside top of casing and setting up in the clamp plate of the inside bottom of sealed lid in top, and the spacing collar has been placed to the backup pad top surface, and the clamp plate bottom is supported tightly in the spacing collar top surface.
Furthermore, the supporting plate and the limiting ring are attracted into a whole through magnetism, and the top end of the sampling bag is embedded between the supporting plate and the limiting ring in a winding mode.
Further, fixed establishment is provided with the support ring including cup jointing the go-between on the sample branch pipe between the go-between, is provided with spacing branch and activity branch between support ring and the go-between, and spacing branch and activity branch threaded connection, activity branch top fixed welding in the go-between bottom, and spacing branch bottom rotates to be connected in the support ring surface.
Furthermore, a hydraulic spring rod is fixedly mounted at the top end of the connecting ring, and an anti-skidding rubber mat is fixedly mounted at the top end of the hydraulic spring rod.
Furthermore, the shell is a metal shell, and the sampling header pipe is a metal tank body.
Furthermore, the pressing plate and the supporting plate are all metal plate bodies.
Furthermore, the limiting support rod and the movable support rod are metal rod bodies.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses be provided with a plurality of sample branch pipes and fixed establishment cooperatees, usable fixed establishment will take a sample the stable inside of fixing at the flue of branch pipe to guarantee that the branch pipe that takes a sample can be stable take a sample to the inside fly ash sample of each region of flue, and gather to the sampling house steward inside, collect through the sample bag, make the sample even, the representativeness is strong.
(2) The utility model discloses be provided with stop gear, backup pad and spacing collar utilize magnetism to be connected, dismantle simply to make the sample bag change with take simply, thereby make the sample more convenient of taking, be provided with the clamp plate simultaneously, can support tightly the spacing collar when interconnect, make the sample bag fixed firm, can not take place to break away from under powerful negative pressure wind-force, guaranteed the device's use reliability.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the embodiment of FIG. 1;
FIG. 3 is a schematic view of the fixing mechanism in the embodiment of FIG. 1;
fig. 4 is a partial exploded view of the embodiment of fig. 1.
Description of the drawings: 1. a housing; 2. a smoke outlet; 3. a top sealing cover; 4. a smoke inlet; 5. pressing a plate; 6. a support plate; 7. a limiting ring; 8. a sampling bag; 9. a negative pressure chamber; 10. a drive motor; 11. negative pressure fan blades; 12. a gas purifier; 13. a sampling header pipe; 14. sampling branch pipes; 15. sampling and flaring; 16. a support ring; 17. a limit strut; 18. a movable strut; 19. a connecting ring; 20. a hydraulic spring rod; 21. an antiskid rubber pad.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Please refer to fig. 1-4 together, wherein, a sampling device for carbon-containing fly ash of thermal power plant comprises a housing 1, a driving motor 10 is installed at the bottom end inside the housing 1 through a bracket, a negative pressure cavity 9 is arranged at one side of the power output end of the driving motor 10 inside the housing 1, a negative pressure fan blade 11 is installed at the power output end of the driving motor 10, the negative pressure fan blade 11 is located inside the negative pressure cavity 9, a smoke outlet 2 is arranged at the bottom end of the housing 1, a top sealing cover 3 is connected with the top end of the housing 1 through a thread, a sampling bag 8 is detachably installed between the top sealing cover 3 and the inside of the housing 1 through a limiting mechanism, a smoke inlet 4 is arranged at the top end of the top sealing cover 3, the smoke inlet 4 is connected with a sampling main pipe 13, a sampling branch pipe 14 is arranged at one end of the sampling main pipe 13 far away from the smoke inlet 4, and the sampling branch pipe 14 is installed inside a smoke exhaust pipe through a fixing mechanism.
Wherein, sampling branch pipe 14 is provided with four groups at least at sampling manifold 13 tip, and this embodiment is provided with four groups, can conveniently take a sample in the different positions of flue to make the sample more representative, sampling branch pipe 14 keeps away from sampling manifold 13 one end simultaneously and is provided with sample flaring 15, can make things convenient for the entering of sample, and fixed establishment sets up between sampling branch pipe 14, and the relation of the even array each other of usable makes it carry out the position each other and prescribes a limit to.
Wherein, through install the gas purifier 12 that is used for exhaust gas to purify on outlet 2, can discharge to the air again after purifying gas, avoid causing the pollution to the air.
In order to carry out the position to sample bag 8 and prescribe a limit to, stop gear is including installing in the backup pad 6 on the inside top of casing 1 and setting up in the clamp plate 5 of the sealed inside bottom of lid 3 in top, and spacing collar 7 has been placed to 6 top surfaces of backup pad simultaneously to 5 bottoms of clamp plate are supported tightly in 7 top surfaces of spacing collar, and usable clamp plate 5 compresses tightly the connection between backup pad 6 and the spacing collar 7, avoids taking place to break away from when using.
Wherein, adsorb in an organic whole through magnetism between backup pad 6 and the spacing collar 7, and sample bag 8 tops encircles and imbeds between backup pad 6 and spacing collar 7 for backup pad 6 and spacing collar 7 are dismantled and are connected simply, thereby sample bag 8 takes the convenience, and the sample is taken more conveniently, improves sampling efficiency.
In order to be connected with the flue, the fixing mechanism comprises a connecting ring 19 sleeved on the sampling branch pipe 14, a supporting ring 16 is arranged between the connecting rings 19, a limiting support rod 17 and a movable support rod 18 are arranged between the supporting ring 16 and the connecting ring 19, meanwhile, the limiting support rod 17 is in threaded connection with the movable support rod 18, the top end of the movable support rod 18 is fixedly welded at the bottom end of the connecting ring 19, the bottom end of the limiting support rod 17 is rotatably connected to the outer surface of the supporting ring 16, the movable support rod 18 can be extended outwards or contracted inwards to the limiting support rod 17 by rotating the limiting support rod 17, the combined length of the sampling branch pipe 14 is further long, and the sampling branch pipe 14 is fixed inside the pipeline.
Wherein, the top end of the connecting ring 19 is fixedly provided with a hydraulic spring rod 20, and the top end of the hydraulic spring rod 20 is fixedly provided with an anti-skid rubber mat 21, so that when the connecting ring is connected with the flue, the anti-skid rubber mat 21 is tightly supported on the surface of the inner wall of the flue by utilizing the reverse elasticity generated by the compression of the hydraulic spring rod 20, and the sampling branch pipe 14 is further fixed firmly.
In the utility model, for having the life of better high temperature resistance extension fixture, casing 1 is the metal casing, and sampling house steward 13 is the metallic tank body, and clamp plate 5, backup pad 6 are the metallic plate body, and spacing branch 17, activity branch 18 are the metallic rod body.
To sum up, the utility model provides a sampling device for carbonaceous flying dust of thermal power plant, in operation, can imbed sampling branch pipe 14 inside the pipeline, can rotate movable support rod 18 for spacing branch rod 17 simultaneously, and then utilize the relative flexible of spacing branch rod 17 and movable support rod 18 to adjust its combination length, and then support anti-skidding cushion 21 tightly in flue inner wall, hydraulic spring pole 20 keeps the compression state simultaneously, can utilize bounce to carry out stable spacing with anti-skidding cushion 21, and then prescribe a limit to the position of sampling branch pipe 14, conveniently take a sample;
secondly, during sampling, the driving motor 10 is started to drive the negative pressure fan blades 11 to rotate, so that negative pressure is formed in the negative pressure cavity 9, gas in the flue is sucked into the sampling main pipe 13 through the sampling branch pipes 14, filtered and sampled through the sampling bag 8 and then discharged from the smoke outlet 2, and meanwhile, purified through the gas purifier 12 and then discharged into the air;
finally, after the sample finishes, can separate sealed lid 3 of top for casing 1, separate backup pad 6 and spacing collar 7 simultaneously, can take out sample bag 8, can collect the sample research, change a brand-new sample bag 8 simultaneously again can, be convenient for take a sample next time, the sample is taken conveniently.
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.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A sampling device for carbon-containing fly ash of a thermal power plant comprises a shell (1), and is characterized in that: there is driving motor (10) casing (1) inside bottom through the support mounting, casing (1) is inside driving motor (10) power take off end one side sets up negative pressure chamber (9), driving motor (10) power take off end installs negative pressure flabellum (11), negative pressure flabellum (11) are located inside negative pressure chamber (9), casing (1) bottom is provided with outlet flue (2), casing (1) top threaded connection has a sealed lid (3), sealed lid in top (3) with there is sample bag (8) through being equipped with stop gear demountable installation between casing (1) inside, sealed lid in top (3) top is provided with into mouth (4), inlet flue (4) are connected with sample house steward (13), sample house steward (13) are kept away from inlet flue (4) one end is provided with sample branch pipe (14), sample branch pipe (14) are installed inside exhaust pipe through being provided with fixed establishment.
2. A sampling device for carbon-containing fly ash of thermal power plant according to claim 1, characterized in that said sampling branch pipes (14) are provided with at least four groups at the end of said sampling main pipe (13), the end of said sampling branch pipes (14) far from said sampling main pipe (13) is provided with a sampling flared opening (15), and said fixing mechanism is arranged between said sampling branch pipes (14).
3. A sampling device for carbonaceous fly ash of thermal power plants according to claim 1, characterized in that the smoke outlet (2) is provided with a gas purifier (12) for exhaust gas purification.
4. The sampling device for carbon-containing fly ash in a thermal power plant according to claim 1, wherein the limiting mechanism comprises a supporting plate (6) installed at the top end inside the shell (1) and a pressing plate (5) arranged at the bottom end inside the top sealing cover (3), a limiting ring (7) is placed on the top surface of the supporting plate (6), and the bottom end of the pressing plate (5) is tightly abutted to the top surface of the limiting ring (7).
5. A sampling device for carbon-containing fly ash of thermal power plant according to claim 4, characterized in that the support plate (6) and the spacing collar (7) are magnetically adsorbed into one body, and the top end of the sampling bag (8) is embedded between the support plate (6) and the spacing collar (7) in a surrounding manner.
6. The sampling device for carbon-containing fly ash in a thermal power plant according to claim 5, wherein the fixing mechanism comprises a connecting ring (19) sleeved on the sampling branch pipe (14), a supporting ring (16) is arranged between the connecting ring (19), a limiting strut (17) and a movable strut (18) are arranged between the supporting ring (16) and the connecting ring (19), the limiting strut (17) and the movable strut (18) are in threaded connection, the top end of the movable strut (18) is fixedly welded at the bottom end of the connecting ring (19), and the bottom end of the limiting strut (17) is rotatably connected to the outer surface of the supporting ring (16).
7. The sampling device for carbon-containing fly ash of thermal power plant according to claim 6, characterized in that a hydraulic spring rod (20) is fixedly mounted at the top end of the connection ring (19), and an anti-skid rubber pad (21) is fixedly mounted at the top end of the hydraulic spring rod (20).
8. A sampling device for carbonaceous fly ash of thermal power plants according to claim 7, characterized in that the housing (1) is a metal housing and the sampling header (13) is a metal tank.
9. The sampling device for carbon-containing fly ash of thermal power plant according to claim 8, characterized in that the pressing plate (5) and the supporting plate (6) are both metal plate bodies.
10. The sampling device for carbon-containing fly ash of thermal power plant according to claim 9, characterized in that the limit support rod (17) and the movable support rod (18) are all metal rod bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221205138.1U CN217542556U (en) | 2022-05-18 | 2022-05-18 | A sampling device for carbonaceous flying dust of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221205138.1U CN217542556U (en) | 2022-05-18 | 2022-05-18 | A sampling device for carbonaceous flying dust of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217542556U true CN217542556U (en) | 2022-10-04 |
Family
ID=83436507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221205138.1U Expired - Fee Related CN217542556U (en) | 2022-05-18 | 2022-05-18 | A sampling device for carbonaceous flying dust of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217542556U (en) |
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2022
- 2022-05-18 CN CN202221205138.1U patent/CN217542556U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221004 |