CN217953584U - Wind speed measuring device - Google Patents
Wind speed measuring device Download PDFInfo
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- CN217953584U CN217953584U CN202221996212.6U CN202221996212U CN217953584U CN 217953584 U CN217953584 U CN 217953584U CN 202221996212 U CN202221996212 U CN 202221996212U CN 217953584 U CN217953584 U CN 217953584U
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- leeward
- probe
- sampling
- wind speed
- connecting flange
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Abstract
The utility model provides a wind speed measuring device, includes sampling subassembly, flange, sealed pad and probe subassembly, characterized by: the sampling assembly is in threaded connection with the connecting flange, a through hole is formed in the connecting flange, a filter screen is arranged in the through hole, the connecting flange is connected with the probe assembly through a bolt, and a sealing gasket is arranged between the connecting flange and the probe assembly; the filter screen is arranged in the connecting flange of the wind speed measuring device, so that dust in a hot air pipeline can be effectively prevented from entering the windward sampling tube and the leeward sampling tube, a sampling assembly is not easy to block, and the beneficial effect of obtaining a wind speed measuring value with accurate temperature is achieved; have flange swing joint between sampling subassembly and the probe subassembly, reached installation, dismantlement, maintenance convenience, be convenient for in time clear up the filter screen dust, guarantee to avoid sampling subassembly because the jam causes the beneficial effect of velocity of flow signal distortion.
Description
Technical Field
The utility model relates to a wind speed measuring device in the hot-blast pipeline of power plant, especially a wind speed measuring device with remove dust, wind speed measurement numerical value is accurate.
Background
The wind speed measuring device is mainly applied to a pulverized coal conveying pipeline of a power plant to measure the flow of wind, the flow directly influences the input of pulverized coal, if the flow is too large, the pulverized coal is excessively input, the pulverized coal is insufficiently combusted, the energy is wasted, the standard emission is indirectly influenced, if the wind quantity is too small, the pulverized coal is excessively input, the normal operation of equipment is influenced, and the wind speed and wind quantity measuring device can enable monitoring personnel to correctly know the wind quantity, so that the operation of a fan is controlled; hot air in a hot air pipeline of a power plant is mixed air which is dust-containing air flow, so that sampling is easy to block, and flow speed signals are distorted.
Disclosure of Invention
The utility model provides a wind speed measuring device for solving the defects of the prior art, wherein a filter screen is arranged in a connecting flange of the wind speed measuring device, which not only can acquire accurate wind speed measuring value, but also can effectively prevent dust in a hot air pipeline from entering a windward sampling chamber and a leeward sampling chamber, and a sampling assembly is not easy to be blocked, thereby achieving the purpose of acquiring the wind speed measuring value with accurate temperature; the sampling assembly is movably connected with the probe assembly through the connecting flange, so that convenience in mounting, dismounting and maintenance is achieved, dust on the filter screen is convenient to clean in time, and the purpose of flow velocity signal distortion caused by blockage of the sampling assembly is avoided.
The technical scheme adopted by the utility model for solving the technical problems is that the sampling device comprises a sampling component, a connecting flange, a sealing gasket and a probe component, wherein the sampling component is in threaded connection with the connecting flange, the connecting flange is provided with a through hole, a filter screen is arranged in the through hole, the connecting flange is connected with the probe component through a bolt, and the sealing gasket is arranged between the connecting flange and the probe component;
the sampling assembly comprises a base, a windward sampling chamber, a leeward sampling chamber, a windward dust settling chamber, a leeward dust settling chamber, a windward pressure-inducing joint and a leeward pressure-inducing joint, wherein the windward sampling chamber is welded with the leeward sampling chamber in parallel, the windward sampling chamber and the leeward sampling chamber are connected with the base, the windward sampling chamber is communicated with the windward dust settling chamber at an angle of 45 degrees, the leeward sampling chamber is communicated with the leeward dust settling chamber at an angle of 45 degrees, the windward dust settling chamber is provided with the windward pressure-inducing joint, and the leeward dust settling chamber is provided with the leeward pressure-inducing joint;
the probe assembly comprises a fixed seat, a windward probe and a leeward probe, wherein the windward probe and the leeward probe are connected with the fixed seat;
the fixed seat is internally provided with a through hole which is coaxial and concentric with the windward probe and the leeward probe;
the base is in a circular truncated cone shape, the center of the base is provided with a through hole which is coaxial and concentric with the upwind sampling chamber and the leeward sampling chamber, and the outer edge of the circular truncated cone-shaped base is provided with threads;
the connecting flange is provided with a bolt hole, and the inner wall of the through hole on the connecting flange is provided with a thread;
the sealing gasket is provided with a bolt hole, and the center of the sealing gasket is provided with a through hole which is coaxial and concentrically corresponding to the filter screen in the connecting flange;
the windward probe and the leeward probe are dust removal spiral air pipes;
the beneficial effects of the utility model are that: the filter screen is arranged in the connecting flange of the wind speed measuring device, so that not only can an accurate wind speed measuring value be obtained, but also dust in a hot air pipeline can be effectively prevented from entering a windward sampling chamber and a leeward sampling chamber, a sampling assembly is not easy to block, and the beneficial effect of obtaining the wind speed measuring value with accurate temperature is achieved; the sampling assembly is movably connected with the probe assembly through the connecting flange, so that the beneficial effects of convenience in mounting, dismounting and maintenance, convenience in cleaning dust of a filter screen in time and avoidance of flow velocity signal distortion caused by blockage of the sampling assembly are achieved; the dust removal spiral air pipe has the advantages of high strength, high air tightness, smooth inner wall, small air duct resistance, no secondary noise generated during air supply and easiness in cleaning in the pipeline.
Description of the drawings:
FIG. 1 is a structural view of the present invention;
fig. 2 is a structural view of the device main body of the present invention;
fig. 3 is a structural view of the main flange of the present invention;
FIG. 4 is a structural view of the sealing rubber pad of the present invention;
FIG. 5 is a partial structural view of the velocity probe of the present invention;
fig. 6 is a structural view of the base of the present invention;
fig. 7 is an installation diagram of the present invention.
The present invention will be further explained with reference to the accompanying drawings.
The specific implementation mode is as follows:
the utility model discloses a specific embodiment is: referring to fig. 1 and 3, the probe assembly comprises a sampling assembly 14, a connecting flange 10, a sealing gasket 9 and a probe assembly 7, wherein the sampling assembly 14 is in threaded connection with the connecting flange 10, a through hole 20 is formed in the connecting flange 10, filter screens 17 and 21 are arranged in the through hole 20, the connecting flange 10 is connected with the probe assembly 7 through bolts 11, and the sealing gasket 9 is arranged between the connecting flange 10 and the probe assembly 7;
referring to fig. 1 and 2, the sampling assembly 14 includes a base 16, a windward sampling chamber 13, a leeward sampling chamber 12, a windward dust settling chamber 2, a leeward dust settling chamber 1, a windward pressure-inducing joint 4 and a leeward pressure-inducing joint 3, wherein the windward sampling chamber 13 and the leeward sampling chamber 12 are welded in parallel, the windward sampling chamber 13 and the leeward sampling chamber 12 are connected to the base 16, the windward sampling chamber 13 is communicated with the windward dust settling chamber 2 at an angle of 45 °, the leeward sampling chamber 12 is communicated with the leeward dust settling chamber 1 at an angle of 45 °, the windward dust settling chamber 2 is provided with the windward pressure-inducing joint 4, and the leeward dust settling chamber 1 is provided with the leeward pressure-inducing joint 3;
referring to fig. 1 and 5, the probe assembly 7 includes a fixed seat 26, a windward probe 5 and a leeward probe 6, the windward probe 5 and the leeward probe 6 are connected to the fixed seat 26, a flange connection surface 25 is provided on the fixed seat 26, and a bolt hole 29 is provided on the flange connection surface 25;
referring to fig. 5, the fixed seat 26 is provided with through holes 27 and 28 which are coaxial and concentric with the windward probe 5 and the leeward probe 6;
referring to fig. 1 and 6, the base 16 is in the shape of a circular truncated cone, through holes 31 and 30 which are coaxial and concentric with the windward sampling chamber 13 and the leeward sampling chamber 12 are formed in the center of the base, and threads 15 are formed on the outer edge of the circular truncated cone-shaped base 16;
referring to fig. 1 and 3, a bolt hole 18 is formed on the connecting flange 10, and a thread 19 is formed on the inner wall of a through hole 20 formed on the connecting flange 10;
referring to fig. 1 and 4, the gasket 9 is provided with bolt holes 23, and the center of the gasket 9 is provided with through holes 22 and 24 which are coaxially and concentrically corresponding to the filter screens 17 and 21 in the connecting flange 10;
referring to fig. 1 and 5, the windward probe 5 and the leeward probe 6 are dust removal spiral air pipes;
referring to fig. 1, 2, 3, 4, 5, 6 and 7, the working principle of the wind speed measuring device is that a windward probe 5 and a leeward probe 6 which are precisely calibrated are installed in an air pipe 32, dust-containing airflow in the air pipe 32 enters the windward probe 5 and the leeward probe 6, is filtered by filter screens 17 and 21 in a connecting flange 10, dust carried in the airflow is filtered to the maximum extent, the dust content of the airflow flowing to a windward sampling chamber 13 and a leeward sampling chamber 12 is reduced, the airflow passes through a windward dust settling chamber 2 and a leeward dust settling chamber 1, is led to a differential pressure transmitter through a windward pressure-inducing joint 4 and a leeward pressure-inducing joint 1, a dynamic pressure signal is output, the wind speed can be obtained through parameter compensation and mathematical operation processing, and the wind speed value is calculated through bernoulli equation according to the pitot tube principle; when the filter screens 17 and 21 in the connecting flange 10 are blocked, the base 16 in the sampling assembly 14 is rotated to separate the sampling assembly 14 from the connecting flange 10, the connecting flange 10 is separated from the sealing gasket 9 and the probe assembly 7 by loosening the bolts 11, and the filter screens 17 and 21 in the connecting flange 10 are cleaned.
Claims (8)
1. The utility model provides a wind speed measuring device, includes sampling subassembly, flange, sealed pad and probe subassembly, characterized by: the sampling assembly is in threaded connection with the connecting flange, the connecting flange is provided with a through hole, a filter screen is arranged in the through hole, the connecting flange is connected with the probe assembly through bolts, and a sealing gasket is arranged between the connecting flange and the probe assembly.
2. A wind speed measuring device according to claim 1, wherein: the sampling component comprises a base, an upwind sampling chamber, a leeward sampling chamber, an upwind dust settling chamber, a leeward dust settling chamber, an upwind pressure-inducing joint and a leeward pressure-inducing joint, wherein the upwind sampling chamber is welded in parallel with the leeward sampling chamber, the upwind sampling chamber and the leeward sampling chamber are connected with the base, the upwind sampling chamber is communicated with the upwind dust settling chamber, the communication angle of the upwind sampling chamber is 45 degrees, the leeward sampling chamber is communicated with the leeward dust settling chamber, the communication angle of the backwind sampling chamber is 45 degrees, the upwind dust settling chamber is provided with the upwind pressure-inducing joint, and the leeward dust settling chamber is provided with the leeward pressure-inducing joint.
3. A wind speed measuring device according to claim 1, wherein: the probe assembly comprises a fixed seat, a windward probe and a leeward probe, wherein the windward probe and the leeward probe are connected with the fixed seat, a flange connecting surface is arranged on the fixed seat, and a bolt hole is formed in the flange connecting surface.
4. A wind speed measuring device according to claim 3, wherein: the fixed seat is internally provided with a through hole which is coaxial and concentric with the windward probe and the leeward probe.
5. A wind speed measuring device according to claim 2, wherein: the base is in a circular truncated cone shape, a through hole which is coaxial and concentric with the windward sampling chamber and the leeward sampling chamber is formed in the center of the base, and threads are arranged on the outer edge of the circular truncated cone-shaped base.
6. A wind speed measuring device according to claim 1, wherein: the connecting flange is provided with bolt holes, and the inner wall of each through hole on the connecting flange is provided with threads.
7. A wind speed measuring device according to claim 1, wherein: the sealing gasket is provided with a bolt hole, and the center of the sealing gasket is provided with a through hole which is coaxially and concentrically corresponding to the filter screen in the connecting flange.
8. A wind speed measuring device according to claim 3, wherein: the windward probe and the leeward probe are dust removal spiral air pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221996212.6U CN217953584U (en) | 2022-08-01 | 2022-08-01 | Wind speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221996212.6U CN217953584U (en) | 2022-08-01 | 2022-08-01 | Wind speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217953584U true CN217953584U (en) | 2022-12-02 |
Family
ID=84225256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221996212.6U Active CN217953584U (en) | 2022-08-01 | 2022-08-01 | Wind speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217953584U (en) |
-
2022
- 2022-08-01 CN CN202221996212.6U patent/CN217953584U/en active Active
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