CN220105081U - Wind speed detection equipment in SCR flue - Google Patents
Wind speed detection equipment in SCR flue Download PDFInfo
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- CN220105081U CN220105081U CN202320957716.5U CN202320957716U CN220105081U CN 220105081 U CN220105081 U CN 220105081U CN 202320957716 U CN202320957716 U CN 202320957716U CN 220105081 U CN220105081 U CN 220105081U
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000006855 networking Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of wind speed detection, and discloses wind speed detection equipment in an SCR flue, which comprises a fixed mounting frame, wherein a mounting box is movably arranged above the fixed mounting frame, a pitot tube used for detecting wind speed is arranged at the front end of the mounting box, a wind direction fan blade is arranged at one side of the mounting box far away from the pitot tube, a linkage shaft assembly is arranged in the mounting box, and two ends of the linkage shaft assembly are respectively connected with the wind direction fan blade and the pitot tube.
Description
Technical Field
The utility model belongs to the technical field of wind speed detection, and particularly relates to wind speed detection equipment in an SCR flue.
Background
The flue gas denitration SCR device generally performs a flue gas hydrodynamic flow field simulation test and a power field test in a hearth to optimize a flow field in a flue so as to ensure that the flue gas flow velocity and NOx distribution of an inlet section of an SCR catalyst are uniform.
The SCR catalyst enters the flue gas flow velocity field unevenly due to the influence of factors such as actual combustion conditions, instability of wind speed in a flue and the like; and after the wind in the flue passes through the rectifier and the grid, an air curtain with a certain angle with the vertical direction can be formed according to the grid direction.
The wind speed and the wind direction can be measured again in an actual scene, wherein when the wind direction is detected, the existing measuring mode adopts a hand-held or hung wind speed to bring simple visual measurement of the wind direction, and when the wind speed is detected, the original measuring mode adopts a manual hand-held wind speed pipe to measure the wind speed.
Disclosure of Invention
The utility model aims to solve the main technical problem of providing the wind speed detection equipment in the SCR flue, which has the advantages of simple integral structure and convenience in use, and can automatically detect the wind speed in the flue.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a wind speed check out test set in SCR flue, includes the fixed mounting frame, the top movable mounting of fixed mounting frame has the mounting box, the front end of mounting box is provided with the pitot tube that is used for detecting the wind speed, one side that the pitot tube was kept away from to the mounting box is provided with the wind direction fan blade, install the universal driving axle subassembly in the mounting box, the both ends of universal driving axle subassembly are connected with wind direction fan blade and pitot tube respectively.
The following is a further optimization of the above technical solution according to the present utility model:
the utility model discloses a wind speed measuring device, including the pitot tube, the mounting box is provided with the installation box, be provided with full pressure hole and static pressure hole on the pitot tube, one side that keeps away from the mounting box is provided with full pressure hole and static pressure hole, install wind speed measuring device in the mounting box, full pressure hole and the static pressure hole of pitot tube are connected with wind speed measuring device through the rubber hose respectively.
Further optimizing: the universal driving shaft assembly comprises a rolling shaft, the rolling shaft is coaxially arranged with the rotating shaft of the wind direction fan blade and the pitot tube, and two ends of the rolling shaft are fixedly connected with the rotating shaft of the wind direction fan blade and the pitot tube respectively.
Further optimizing: the roller mounting bearings are respectively arranged at positions, close to two ends of the roller, and the roller is rotatably arranged in the mounting box through the roller mounting bearings.
Further optimizing: still install the circuit control board in the mounting box, install main control unit on the circuit control board, wind speed measurement assembly's output and main control unit electric connection, main control unit's output electric connection has thing networking data transmission module.
Further optimizing: the fixed mounting frame comprises a lifting rod, the lower extreme of lifting rod is provided with the movable A-frame that is used for firmly placing this lifting rod, the upper end fixedly connected with ball connecting seat of movable A-frame, the upper end and the installation box fixed connection of ball connecting seat.
Further optimizing: the lifting rod comprises a main pipe and a lifting pipe, the lifting pipe is movably inserted into the main pipe, the upper end of the lifting pipe extends to the upper side of the main pipe, and a locking seat is arranged at the position, close to the lifting pipe, of the main pipe.
Further optimizing: the movable triangular bracket comprises a fixed seat fixedly arranged at the lower end of the main pipe, a movable seat is movably sleeved on the main pipe of the lifting rod, and three main supporting legs are hinged on the movable seat.
Further optimizing: the three main support legs are annularly and alternately distributed along the axis of the movable seat, connecting rods are hinged to the main support legs respectively, and the other ends of the connecting rods are hinged to the fixed seat.
Further optimizing: the ball connecting seat comprises a ball seat, the ball seat is fixedly arranged at the upper end part of a lifting pipe of the lifting rod, a ball pin is movably connected to the ball seat, and the upper end of the ball pin is fixedly connected with the middle part of the lower end of the mounting box.
By adopting the technical scheme, the utility model has ingenious conception and reasonable structure, can ensure that the pitot tube and the wind direction fan blade are combined and assembled on the rolling shaft, and further can drive the pitot tube to synchronously rotate through the rolling shaft when the wind direction fan blade rotates, so that the full-pressure hole of the pitot tube can synchronously rotate along with the rotation of the wind direction fan blade, the full-pressure hole is aligned with the air flow direction, and the measurement error is reduced.
According to the utility model, the whole device can be stably supported and placed through the movable triangular bracket in the fixed mounting frame, the lifting rod can be used for adjusting the height position of the mounting box, so that the height position of the pitot tube can be adjusted, the ball connecting seat can support the mounting box to swing, and then the pitot tube is supported to swing in a practical manner, so that the position adjustment is realized, and the use is convenient.
The utility model will be further described with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a side view of the general structure of an embodiment of the present utility model;
FIG. 3 is a schematic view of a structure of a roller according to an embodiment of the present utility model;
FIG. 4 is a system diagram of a circuit control board according to an embodiment of the utility model;
fig. 5 is a schematic diagram of an embodiment of the present utility model when used in an SCR measurement platform.
In the figure: 1-wind direction fan blades; 11—small end; 12-large end; 2-a roller mounting bearing; 3-rolling shafts; 4-pitot tube; 41-full pressure hole; 42-hydrostatic hole; 5-fixing the mounting frame; 51-lifting rod; 511-a main pipe; 512-elevator tube; 513-locking seats; 52-a movable tripod; 521-fixing base; 522-a movable seat; 523-main leg; 524-connecting rod; 53-ball connection socket; 531-tee; 532—a ball stud; 6-mounting boxes; 7-installing a box cover.
Detailed Description
As shown in fig. 1-4: the utility model provides a wind speed check out test set in SCR flue, includes fixed mounting bracket 5, fixed mounting bracket 5's top movable mounting has mounting box 6, the front end of mounting box 6 is provided with the pitot tube 4 that is used for detecting the wind speed, one side that pitot tube 4 was kept away from to mounting box 6 is provided with wind direction fan blade 1, install the universal driving axle subassembly in the mounting box 6, the both ends of universal driving axle subassembly are connected with wind direction fan blade 1 and pitot tube 4 respectively.
By means of the design, the fixing installation frame 5 can be used for fixing the installation box 6, the pitot tube 4 can be used for detecting the wind speed in the flue, the wind direction fan blade 1 can be aligned with incoming wind, and at the moment, the pitot tube 4 is driven to synchronously rotate through the linkage shaft assembly when the wind direction fan blade 1 rotates, so that the pitot tube 4 is always aligned with the air flow direction.
The utility model discloses a wind speed measuring device, including installation box 6, pitot tube 4, the installation box 6 is provided with the installation box, be provided with full pressure hole 41 and static pressure hole 42 on the pitot tube 4 far away from installation box 6, install wind speed measuring device in the installation box 6, full pressure hole 41 and static pressure hole 42 of pitot tube 4 are connected with wind speed measuring device through the rubber hose respectively.
The universal driving shaft assembly comprises a rolling shaft 3, the rolling shaft 3 is coaxially arranged with the rotating shaft of the wind direction fan blade 1 and the pitot tube 4, and two ends of the rolling shaft 3 are fixedly connected with the rotating shaft of the wind direction fan blade 1 and the pitot tube 4 respectively.
The roller mounting bearings 2 are respectively arranged on the positions, close to the two ends, of the roller 3, and the roller 3 is rotatably arranged in the mounting box 6 through the roller mounting bearings 2.
By means of the design, the wind direction fan blade 1 and the pitot tube 4 can be connected together through the roller 3, the roller 3 can be rotatably installed in the installation box 6 through the roller installation bearing 2, and at the moment, the roller installation bearing 2 can be used for supporting the roller 3 to rotate.
The wind direction fan blade 1 can rotate under the influence of wind power direction, so that the wind direction fan blade 1 aims at the wind direction of wind power, at the moment, the wind direction fan blade 1 rotates through the rolling shaft 3 and can rotate the electric pitot tube 4, the full pressure hole 41 of the pitot tube 4 aims at the air flow direction, and measurement errors are reduced.
The conventional pitot tube 4 needs to align the full pressure hole 41 with the air flow direction in use, and the air flow of the flue is subjected to the arrangement of the air-setting grille and has a deflection angle of 0-13 degrees from the vertical direction, if the pitot tube 4 is fixed in one direction, the air direction is deviated from the full pressure hole 41 by an angle, and this in turn leads to a deviation of the measurement result.
In this embodiment, in order to ensure that the deviation is reduced, the pitot tube 4 and the wind direction fan blade 1 are combined and assembled on the roller 3, and the full pressure hole 41 of the pitot tube 4 will synchronously rotate along with the rotation of the wind direction fan blade 1, so that the full pressure hole 41 is aligned with the airflow direction, and the measurement error is reduced.
And the full pressure hole 41 and the static pressure hole 42 of the pitot tube 4 are respectively connected with a wind speed measuring component through rubber hoses, so that the pitot tube 4 can measure the total pressure and the static pressure of air flow, the difference between the total pressure and the static pressure is dynamic pressure, and at the moment, the wind speed measuring component can calculate the wind speed according to the dynamic pressure and the air density.
Still install the circuit control board in the mounting box 6, install main control unit on the circuit control board, wind speed measurement assembly's output and main control unit electric connection, main control unit's output electric connection has thing networking data transmission module.
The main controller is in communication connection with the working platform through the data transmission module of the Internet of things.
In this embodiment, the data transmission module of the internet of things and the working platform are both in the prior art, and the working platform may be a device such as electric energy or collection.
In this embodiment, the master controller may be one of a single chip microcomputer, a PLC master controller, or an integrated circuit board.
The real-time wind speed signal detected by the wind speed measuring component is transmitted to the main controller, then the main controller transmits the real-time wind speed signal to a corresponding working platform through the data transmission module of the Internet of things, the use is convenient, and then a user can check the data on the working platform.
The integral structure of the wind direction fan blade 1 is a plate-shaped structure, and particularly comprises a small end part 11 and a large end part 12, wherein the small end part 11 and the large end part 12 are integrally connected.
The large end 12 has a larger weight than the small end 11, and in the initial state, the large end 12 is kept vertical to the ground by its own weight, the large end 12 is down, and the small end 11 is up.
An opening is formed in one side of the installation box 6, an installation box cover 7 is hinged to the installation box 6 close to the opening, and the installation box cover 7 is used for opening a pipe to close the opening of the installation box 6, so that the installation box is convenient to use.
The fixed mounting frame 5 comprises a lifting rod 51, the lifting rod 51 is arranged at the lower end of the lifting rod 51, a movable triangular bracket 52 used for stably placing the lifting rod 51 is arranged at the lower end of the lifting rod 51, a ball connecting seat 53 is fixedly connected to the upper end of the movable triangular bracket 52, and the upper end of the ball connecting seat 53 is fixedly connected with the mounting box 6.
By means of the design, the lifting rod 51 can be stably placed through the movable triangular support 52, and further the wind speed and wind direction detection equipment in the SCR flue can be stably placed, the lifting rod 51 can be lifted to adjust the whole length of the device, and then the mounting box 6 can be driven to lift, so that the height position of the mounting box 6 can be adjusted.
The ball connecting seat 53 can adjust the angle position of the mounting box 6, and is convenient to use.
The lifting rod 51 comprises a main pipe 511 and a lifting pipe 512, wherein the lifting pipe 512 is movably inserted into the main pipe 511, and the upper end of the lifting pipe 512 extends to the upper side of the main pipe 511.
The locking seat 513 is installed at the position, close to the lifting pipe 512, on the main pipe 511, and the locking seat 513 is used for locking the main pipe 511 and the lifting pipe 512, so that the whole length of the main pipe 511 and the lifting pipe 512 is positioned, and the use is convenient.
In this embodiment, the locking seat 513 is in the prior art, a first locking bolt is installed on the locking seat 513, and the first locking bolt is used for positioning the connection between the main pipe 511 and the lifting pipe 512 when screwed, so as to position the whole lengths of the main pipe 511 and the lifting pipe 512.
The movable tripod 52 comprises a fixed seat 521, the fixed seat 521 is fixedly mounted at the lower end of the main pipe 511 of the lifting rod 51, and a movable seat 522 is movably sleeved on the main pipe 511 of the lifting rod 51.
The movable seat 522 is hinged with three main supporting legs 523, and the three main supporting legs 523 are annularly and alternately distributed along the axis of the movable seat 522.
The main leg 523 is hinged with a connecting rod 524, and the other end of the connecting rod 524 is hinged with the fixing seat 521.
When the movable seat 522 moves downwards, the three main legs 523 can be driven to move downwards, and under the cooperation of the connecting rod 524, the three main legs 523 can be respectively moved in the directions away from each other, so that the three main legs 523 can be opened, and at the moment, the three main legs 523 can be in contact with the ground, so that the lifting rod 51 can be stably supported and placed.
The second locking bolt (not shown in the figure) is installed on the movable seat 522 in a threaded manner, and the second locking bolt can be contacted with and propped against the outer surface of the main pipe 511 by screwing, so that the position of the movable seat 522 on the main pipe 511 is positioned, and the use is convenient.
The ball connecting seat 53 comprises a ball seat 531, the ball seat 531 is fixedly arranged at the upper end part of the lifting pipe 512 of the lifting rod 51, the ball seat 531 is movably connected with a ball stud 532, and the upper end of the ball stud 532 is fixedly connected with the middle part of the lower end of the mounting box 6.
By means of the design, the ball stud 532 is movably connected with the ball seat 531, the ball seat 531 can support the ball stud 532 to swing in multiple directions, and therefore the position of the mounting box 6 can be adjusted, and the ball seat is convenient to use.
The third locking bolt (not shown in the figure) is installed on the ball seat 531 in a threaded manner, and the position between the ball seat 531 and the ball stud 532 can be positioned by screwing the third locking bolt, so that the position of the ball stud 532 is positioned, the position of the installation box 6 is positioned, and the use is convenient.
In use, as shown in fig. 5, fig. 5 shows an SCR measurement platform, the platform is defined with 100 measurement points according to the actual size, and the wind speed detection device in the SCR flue is arranged on each measurement point.
Then adjust fixed mounting bracket 5, and then realize adjusting the high position and the spatial position of installation lid 7, facilitate the use, after the regulation is accomplished, the air current of flue has 0-13 degrees deflection angle with the vertical direction after the arrangement of the full-wind grid, and the air current of flue can blow wind direction fan blade 1 this moment, makes wind direction fan blade 1 rotate, and the full-pressure hole 41 of pitot tube 4 will follow wind direction fan blade 1's rotation and carry out synchronous rotation this moment, makes full-pressure hole 41 aim at the air current direction, reduces measuring error.
The full pressure hole 41 and the static pressure hole 42 of the pitot tube 4 are respectively connected with a wind speed measuring component through rubber hoses, so that the pitot tube 4 can measure the total pressure and the static pressure of air flow, the difference between the total pressure and the static pressure is dynamic pressure, and at the moment, the wind speed measuring component can calculate the wind speed according to the dynamic pressure and the air density.
The real-time wind speed signal detected by the wind speed measuring component is transmitted to the main controller, and then the main controller transmits the real-time wind speed signal to a corresponding working platform through the data transmission module of the Internet of things.
Then, a user can integrate the measurement data of each measurement point through the working platform, and can accurately draw the wind speed cloud picture in the flue, so that the wind speed cloud picture is convenient to use.
Alterations, modifications, substitutions and variations of the embodiments herein will be apparent to those of ordinary skill in the art in light of the teachings of the present utility model without departing from the spirit and principles of the utility model.
Claims (10)
1. An SCR flue internal wind speed detection device, characterized in that: including fixed mounting bracket (5), the top movable mounting of fixed mounting bracket (5) has mounting box (6), the front end of mounting box (6) is provided with pitot tube (4) that are used for detecting the wind speed, one side that pitot tube (4) was kept away from to mounting box (6) is provided with wind direction fan blade (1), install the universal driving axle subassembly in mounting box (6), the both ends of universal driving axle subassembly are connected with wind direction fan blade (1) and pitot tube (4) respectively.
2. The SCR in-stack wind speed detection apparatus as defined in claim 1, wherein: the utility model discloses a wind speed measuring device, including pitot tube (4), mounting box (6), air speed measuring component, rubber hose, air speed measuring component, rubber hose is connected with air speed measuring component respectively in all pressure hole (41) and static pressure hole (42) of pitot tube (4) are provided with on the side of keeping away from mounting box (6) on pitot tube (4).
3. An SCR in-stack wind speed sensing device as defined in claim 2, wherein: the universal driving shaft assembly comprises a rolling shaft (3), the rolling shaft (3) is coaxially arranged with the rotating shaft of the wind direction fan blade (1) and the pitot tube (4), and two ends of the rolling shaft (3) are fixedly connected with the rotating shaft of the wind direction fan blade (1) and the pitot tube (4) respectively.
4. A SCR in-stack wind speed sensing device as defined in claim 3, wherein: the two ends of the roller (3) close to the two ends of the roller are respectively provided with a roller mounting bearing (2), and the roller (3) is rotatably mounted in the mounting box (6) through the roller mounting bearings (2).
5. The SCR in-stack wind speed detection apparatus as defined in claim 4, wherein: still install the circuit control board in installing box (6), install main control unit on the circuit control board, wind speed measurement assembly's output and main control unit electric connection, main control unit's output electric connection has thing networking data transmission module.
6. The SCR in-stack wind speed detection apparatus as defined in claim 5, wherein: the fixed mounting frame (5) comprises a lifting rod (51), the lower end of the lifting rod (51) is provided with a movable triangular bracket (52) for stably placing the lifting rod (51), the upper end of the movable triangular bracket (52) is fixedly connected with a ball connecting seat (53), and the upper end of the ball connecting seat (53) is fixedly connected with an installation box (6).
7. The SCR in-stack wind speed detection apparatus as defined in claim 6, wherein: the lifting rod (51) comprises a main pipe (511) and a lifting pipe (512), the lifting pipe (512) is movably inserted into the main pipe (511), the upper end of the lifting pipe (512) extends to the upper portion of the main pipe (511), and a locking seat (513) is arranged at the position, close to the lifting pipe (512), on the main pipe (511).
8. The SCR in-stack wind speed detection apparatus as defined in claim 7, wherein: the movable triangular bracket (52) comprises a fixed seat (521) fixedly arranged at the lower end of the main pipe (511), a movable seat (522) is movably sleeved on the main pipe (511) of the lifting rod (51), and three main supporting legs (523) are hinged on the movable seat (522).
9. The SCR in-stack wind speed detection apparatus as defined in claim 8, wherein: the three main supporting legs (523) are annularly and alternately distributed along the axis of the movable seat (522), connecting rods (524) are hinged to the main supporting legs (523) respectively, and the other ends of the connecting rods (524) are hinged to the fixed seat (521).
10. The SCR in-stack wind speed detection apparatus as defined in claim 9, wherein: the ball connecting seat (53) comprises a ball seat (531), the ball seat (531) is fixedly arranged at the upper end part of a lifting pipe (512) of the lifting rod (51), a ball head pin (532) is movably connected to the ball seat (531), and the upper end of the ball head pin (532) is fixedly connected with the middle part of the lower end of the mounting box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320957716.5U CN220105081U (en) | 2023-04-25 | 2023-04-25 | Wind speed detection equipment in SCR flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320957716.5U CN220105081U (en) | 2023-04-25 | 2023-04-25 | Wind speed detection equipment in SCR flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220105081U true CN220105081U (en) | 2023-11-28 |
Family
ID=88867331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320957716.5U Active CN220105081U (en) | 2023-04-25 | 2023-04-25 | Wind speed detection equipment in SCR flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220105081U (en) |
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2023
- 2023-04-25 CN CN202320957716.5U patent/CN220105081U/en active Active
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