CN205679283U - Anti-blocking differential pressure flowmeter - Google Patents
Anti-blocking differential pressure flowmeter Download PDFInfo
- Publication number
- CN205679283U CN205679283U CN201620619073.3U CN201620619073U CN205679283U CN 205679283 U CN205679283 U CN 205679283U CN 201620619073 U CN201620619073 U CN 201620619073U CN 205679283 U CN205679283 U CN 205679283U
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- Prior art keywords
- probe tube
- differential pressure
- housing
- central shaft
- runner
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Abstract
The utility model discloses a kind of anti-blocking differential pressure flowmeter, including flowmeter bodies, described flowmeter bodies includes housing and the many probe tubes being arranged in described housing；Described anti-blocking differential pressure flowmeter is provided with makes described housing and/or described probe tube produce the vibrating device of vibration.Vibrating device can produce vibration under driver part or external force effect; the tube wall making probe tube and/or housing produces the flow media inside and outside vibration or probe tube and produces vibration; or inside sets and can vibrate or rotatable deashing device; thus down-sample the possibility of the internal blocking of pipe; play blocking-proof result; it relative to existing flowmeter, is particularly applied to the flowmeter of dusting solid particle environments, greatly reduce probe tube blocking.
Description
Technical field
The utility model relates to flow measurement technology, especially a kind of anti-blocking differential pressure flowmeter.
Background technology
Existing flowmeter especially solid flowmeter, because of many for measuring powdery type solid flow, in use,
Tiny pressed powder remains in probe tube, the phenomenon that probe tube blocks often can occur, thus affect the accuracy of flowmeter,
If probe tube is all blocked, meter will be malfunctioning, it is impossible to records flow.
Utility model content
The utility model provides a kind of anti-blocking differential pressure flowmeter, is used for overcoming defect of the prior art, prevents sampling
Blockage, and then improve the accurate performance of flowmeter survey.
The utility model provides a kind of anti-blocking differential pressure flowmeter, including flowmeter bodies, described flowmeter bodies includes
Housing and the many probe tubes being arranged in described housing；Described anti-blocking differential pressure flowmeter is provided with and makes housing and/or sampling
Pipe produces the vibrating device of vibration.
As embodiment one, described vibrating device includes power supply unit, electromagnet and magnetic conduction hammer；Said supply unit to
Described magnet spool supply pulse voltage makes described electromagnet be energized or power-off；Described hammer is near described electromagnet
One end, is adsorbed in when described electromagnet is energized on described electromagnet, separates with described electromagnet when described electromagnet power-off
And under self gravitation effect or shoot down in described flowmeter bodies under action of reset spring.
As embodiment two, described vibrating device includes the multiple lightweight vibrating balls being arranged in described housing, Yi Jiyu
It is arranged on the pulse pneumatic feeding mechanism of the hole connection of described housing bottom；Described vibrating ball under described pulse pneumatic effect
Probe tube described in rapping in described housing.
As embodiment three, described vibrating device compresses sky for being passed through to described probe tube in being arranged on described housing
Gas, the acoustic wave ash ejector producing sound wave.
As embodiment four, described vibrating device includes the vibrating head being arranged within described probe tube and is arranged on described
To drive the solenoid of described vibrating head vibration outside probe tube；
It is positioned at bottom the described vibrating head of described two probe tubes of casing center by three chain connections together；
Testing medium at probe tube lower sides offers on flow path direction blowback hole.
On the basis of above-described embodiment, as embodiment five,
The positive pressure side of described housing offers breach, and the measurement end of the probe tube being positioned at described housing positive pressure side is arranged on institute
State on the ramp of breach.
Further, described ramp is horizontal by 45～60 degree of angles.
As embodiment six, described vibrating device includes:
Helical axis, is arranged on inside described probe tube, and the described probe tube that overhangs out downwards bottom it；Including central shaft and
Propeller blade outside described central shaft for the spiral surrounding；
Runner, including center and be arranged at intervals at the multiple blades outside described center, described blade is in described
The heart set outside extending radially outwardly along described center, described center is sheathed on described central shaft, and with described center
Axle bottom driving connects；Described runner is arranged in mozzle, and axial along described mozzle of the diametric(al) of described runner
Arrange；
The air inlet of described mozzle carrys out flow path direction towards testing medium, has towards described runner inside described mozzle
The flow-guiding channel that wherein side blade is blown.
Further, described mozzle is shaped telescopic tube, and the diameter of air inlet and gas outlet is more than mid diameter.
As embodiment seven, described vibrating device includes:
Helical axis, is arranged on inside described probe tube, including central shaft and spiral shell outside described central shaft for the spiral surrounding
Rotation blade；
Runner, is arranged at bottom described probe tube, including center and be arranged at intervals at outside described center multiple
Blade, described blade extending radially outwardly along described center outside described center, described center is sheathed on described
It on central shaft, and is connected with described central shaft bottom driving；
Be formed bottom described probe tube towards described runner wherein side blade arrange diversion gap and block towards
The water conservancy diversion occlusion part that described runner opposite side blade is arranged.
The anti-blocking differential pressure flowmeter that the utility model provides, by being provided with on the housing at flowmeter or on probe tube
Vibrating device, vibrating device can produce vibration under driver part or external force effect so that the tube wall of probe tube produce vibration or
Flow media inside and outside person's probe tube produces vibration, thus down-samples the possibility of the internal blocking of pipe, plays blocking-proof result, quite
It in existing flowmeter, is particularly applied to the flowmeter of dusting solid particle environments, greatly reduce probe tube blocking.
Brief description
Fig. 1 is the structural representation of the anti-blocking differential pressure flowmeter that the utility model embodiment one provides；
Fig. 2 is the structural representation of the anti-blocking differential pressure flowmeter that the utility model embodiment two provides；
Fig. 3 is the structural representation of the anti-blocking differential pressure flowmeter that the utility model embodiment three provides；
Fig. 4 is the structural representation of the anti-blocking differential pressure flowmeter that the utility model embodiment four provides；
Fig. 5 is the structural representation of the anti-blocking differential pressure flowmeter that the utility model embodiment five provides；
Fig. 6 is the structural representation of the anti-blocking differential pressure flowmeter that the utility model embodiment six provides；
Fig. 7 is the close-up schematic view comprising spiral deashing device in Fig. 6；
Fig. 8 is the left view of the mozzle in Fig. 7；
Fig. 9 is the partial structurtes schematic diagram of the anti-blocking differential pressure flowmeter that the utility model embodiment six provides；
Figure 10 is the left view of Fig. 9.
Detailed description of the invention
Embodiment one
Seeing Fig. 1, the utility model embodiment provides a kind of anti-blocking differential pressure flowmeter, including flowmeter bodies, flow
Meter body includes housing 11 and the many probe tubes 12 being arranged in housing；Described anti-blocking differential pressure flowmeter is provided with and makes housing
11 and/or probe tube 12 produce vibration vibrating device.In figure, 1 is pipeline, and 10 is pressure transmitter, the medium of arrow instruction
Carry out flow path direction.
Flowmeter bodies mounting means in the duct uses one end to fix the mode that one end uses soft seal clamping, can be real
Existing free wxpansion.Soft seal flange clamp structure specifically can be in duct wall top or bottom mounting flange, flowmeter bodies and method
Adding soft sealed material between Lan so that the upper and lower two ends of flowmeter bodies are placed between flange, soft sealed material is on the one hand
Playing sealing function, the medium of pipe interior cannot flow to outside, on the other hand plays the effect of firm discharge meter body, this
Outward, flowmeter bodies passes through soft sealed material and flange contact, when vibrating device rapping housing and/or probe tube, soft
Sealed material can play damping effect, thus reduce vibrational energy and propagate to pipe side；
Two ends all use soft seal flange to grip, it is achieved two sides can rapping；Hull outside electromagnetic rapping, sound can be realized
Ripple rapping, air-flow reverse impact rapping, vibration force can effectively be transferred to inside.
Vibrating device 2 includes power supply unit, electromagnet and hammer；Power supply unit supplies pulse voltage to magnet spool
Electromagnet is energized or power-off；Hammer is made up of magnetic conductive material at least adjacent to one end of electromagnet, and it is sliding that hammer is arranged on one
On road.
A kind of mode: when electromagnet is energized, hammer is adsorbed on electromagnet, when electromagnet power-off, slideway tilts to set
Putting, hammer separates with electromagnet under self gravitation effect；Hammer shoots down during being adsorbed on electromagnet at flowmeter originally
On the housing 11 of body or shoot down on probe tube 12；
Another way: slideway is horizontally disposed with, can also arrange back-moving spring between electromagnet and hammer；At electromagnet
During energising, hammer is adsorbed on electromagnet, and now compression received by back-moving spring；When electromagnet power-off, hammer separates with electromagnet；
Shoot down on the housing 11 of flowmeter bodies during hammer is adsorbed on electromagnet or during return or shoot down in sampling
On pipe 12.
Embodiment two
Seeing Fig. 2, being provided with multiple lightweight vibration bead 28, be made up of light material in housing 11, housing bottom has
There is air-flow feeding mechanism 13 (in figure, arrow indicates respectively the inlet and outlet direction of air-flow) to be passed through such as compressed air, housing
11 internal can dresses vibrate bead 28, and air-flow makes to vibrate bead rapping probe tube in housing, it is achieved the vibration to probe tube is clear
Ash, as lottery apparatus for lottery ticket.
Embodiment three
See Fig. 3, be passed through compressed air in oriented housing is set in housing 11 and produce the acoustic wave ash ejector 29 of sound wave, be passed through
Compressed air produces probe tube in exciting can make housing and produces vibration realizing deashing.Purging dress can also be set on probe tube top
Putting 30, for the opening on sampled pipe to the internal compressed air of sending into of probe tube, overstocked dust within probe tube is at gas
Effect under measurement mouth end bottom probe tube with gas out；The switch of blow device 30 can be by Electronic control
Mode realizes.When using blow device, during deashing, flowmeter can not measure flow, and deashing can be controlled by magnetic valve 14 with measurement
Pipeline break-make realizes the switching of measurement and soot blowing.
Embodiment four
Seeing Fig. 4, on the basis of above-described embodiment, probe tube, also known as measurement pipe, is positioned at the positive pressure side 11a's of housing 11
Measurement pipe measures pipe 12a for malleation, and housing 11 offers breach 13, malleation measurement pipe near the measurement end of malleation measurement pipe 12a
The measurement end of 12a is arranged on the inclined-plane 13a of breach, and measurement pipe 12a is linearly for malleation, consistent with the axial direction of housing 11
Or parallel, so, in use, there is not sweep in linear measurement pipe, dust is not easy to accumulate.Wherein, make
For preferred embodiment, inclined-plane 13a, horizontal by 45 degree of angles, does not interferes with the weight capacity of certainty of measurement and housing.
Embodiment five
Seeing Fig. 5, above-mentioned vibrating device includes the vibrating head 31 being arranged within probe tube 12 and is arranged on probe tube 12
The outside solenoid 32 to drive vibrating head 31 to vibrate；By being passed through alternating current to solenoid 32, to produce alternation magnetic
, when conductor (vibrating head 31 one end is fixed on probe tube 12 top, and the other end is axially extending along probe tube 12) is in alternation magnetic
Vibration can be produced under field action；Vibrated the ash being attached to its inwall with rapping by the vibration drive probe tube 12 of vibrating head 31
Dirt, thus play deashing effect；
It is positioned at and linked together by hinge 33 bottom the vibrating head 31 of two probe tubes 12 of casing center.Vibration frequency
Identical vibrating head is hinged, and the energy of generation is bigger, and ash-removal effect is more significantly.
Improve as further, probe tube 12 lower sides offers blowback hole 34.34 blowback holes are come towards medium
Flow path direction, increases the disturbance within the probe tube of blowback hole 34 to bottom, increases ash-removal effect.
Embodiment six
Seeing Fig. 6-8, vibrating device includes helical axis the 35th, runner 36 and mozzle 37；Wherein:
It is internal that helical axis 35 is arranged on probe tube 12, and the probe tube 12 that overhangs out downwards bottom it；Including central shaft 35a and
Propeller blade 35b outside central shaft 35a for the spiral surrounding；
Runner 36 includes center 36a and be arranged at intervals at the multiple blade 36b outside center 36a, blade 36b from
The heart set 36a outside extending radially outwardly along center, center 36a is sheathed on central shaft 35a, and with at the bottom of central shaft 35a
Portion is in transmission connection；Runner 36 is arranged in mozzle 37, and axially arranged along mozzle 37 of the diametric(al) of runner 36；Blade
36b can arrange rectangular；Uniform along center 36a mono-week；Simple in construction.
The direction that the left end of mozzle 37 comes towards medium, mozzle 37 is internal to be had towards center 36a wherein side
The flow-guiding channel 37a that blade 36b blows.
Mozzle 37 horizontal positioned, top offers the installing hole penetrating for central shaft 35a, first can be by runner 36 from water conservancy diversion
Pipe 37 one end is disposed within, then is placed on central shaft 35a by the installing hole of mozzle 37 from bottom by center 36a of runner,
Complete to install, the support to mozzle 37 can be completed by support.
During use, mozzle 37 is placed in pipeline to be tested, and the inlet end of mozzle 37 is towards the side of stream of medium
To in pipeline, the air-flow containing dust applies thrust by flow-guiding channel 37a to the blade 36b being positioned at mozzle 37, drives
Runner 36 rotates, thus drives helical axis 35 to rotate, and the blade 35b being set around central shaft 35a week side in the shape of a spiral rotates, and is surveying
Internal accumulated powder can be fallen clearly during examination.
Improve as further, probe tube 12 lower sides offers blowback hole 34, carrys out flow path direction towards medium, right
Probe tube is internally formed interference air-flow, removes the dust on helical axis 35 surface and probe tube inwall, increases ash-removal effect.
Further, water conservancy diversion is set as shaped telescopic tube, and the air inlet of flow-guiding channel 37 and gas outlet diameter are big, and mid diameter is little,
The gas outlet of flow-guiding channel 37 towards blade 36b away from the position at center 36a center.In the program, runner is big except flow velocity, turns
The arm of force of wheel is big, and more laborsaving, under the conditions of equal resistance, the velocity of medium of needs is less, for another angle, and medium pressure
In the case that power and flow velocity are constant, the rotating speed of runner is higher, and ash-removal effect is more preferable.
Further, probe tube top can also arrange inductive probe 38, and the corresponding position of described central shaft is provided with
Prominent structure (not shown), for example one or more dentations, or sheathed gear can be fixed on center shaft.Described
Inductive probe is by this prominent structure measurement runner rotating speed.Additionally, probe tube top also can arrange rapping apparatus 39, such as along institute
Stating one or more electromagnet that central shaft circumferencial direction is arranged, being energized it, electromagnet makes described central shaft produce pendulum
Move or rotate, playing rapping effect, remove the dust stratification on helical axis and bottom runner.It is any that rapping apparatus may be used without other
Central shaft can be made to produce swing or rotary motion, play the form of rapping effect.Described inductive probe and rapping apparatus, it is possible to
With being made of one, rapping and Speed sensing double acting device.
Embodiment seven
Seeing Fig. 9, Figure 10, vibrating device includes helical axis 35 and runner 36, exists with the difference of above-described embodiment six
In by the shape bottom probe tube 12 and structure are designed and replace the mozzle in embodiment six so that treat test tube
Dust air-flow in road individually can apply active force to the blade 36b of runner 36 wherein side, thus drives runner 36 to rotate,
And then drive helical axis 35 to rotate.
Runner 36 is placed in the wedge-shaped indentation 121 bottom probe tube 12；Probe tube 12 wedge-shaped indentation 121 top is formed with court
To center 36a wherein side blade 36b arrange diversion gap 121a and block towards center 36a opposite side blade 36b
The water conservancy diversion occlusion part 121b arranging.
During use, the wedge-shaped indentation 121 of probe tube 12 carrys out flow path direction towards towards the medium within pipe under test, contains dust
When air-flow blows to runner 36, by water conservancy diversion occlusion part 121b and diversion gap 121a so that dust air-flow is individually to center 36a
Side blade 36b blow, thus drive blade 36b to rotate, and then drive helical axis 35 to rotate.
In embodiment six and embodiment seven, blade 36b is rectangular or semicircle, simple in construction, take up room little；Additionally,
Rotate under the media drive effect within pipe under test owing to runner 36 is complete, by the rotating speed of sensor detection runner 36,
The parameters such as the pressure according to medium, flow, runner degree of turning and the proportional relation of contained dust concentration, can be obtained by calculating simultaneously
Dust concentration contained by medium.
Various deashing devices concrete in above-described embodiment, can be used in any combination according to actual needs, all at this
The row of the protection of scheme.
Claims (10)
1. an anti-blocking differential pressure flowmeter, including flowmeter bodies, it is characterised in that described flowmeter bodies include housing and
The many probe tubes being arranged in described housing；Described anti-blocking differential pressure flowmeter is provided with to be made described housing and/or described takes
Sample pipe produces the vibrating device of vibration.
2. anti-blocking differential pressure flowmeter according to claim 1, it is characterised in that described vibrating device includes that power supply is single
Unit, electromagnet and magnetic conduction hammer；Said supply unit makes described electromagnet to described magnet spool supply pulse voltage
Energising or power-off；Described magnetic conduction hammer is near one end of described electromagnet, and described magnetic conduction hammer is arranged on near electromagnet
On the downward-sloping slideway in one end, or described magnetic conduction hammer is arranged on horizontal slide, connects between magnetic conduction hammer and electromagnet
It is connected to back-moving spring.
3. anti-blocking differential pressure flowmeter according to claim 1, it is characterised in that described vibrating device includes being filled in institute
State the multiple lightweight vibrating balls in housing, and the air-flow feeding mechanism connecting with the hole being arranged on described housing bottom；Described
Vibrating ball probe tube described in rapping in described housing under described airflow function.
4. anti-blocking differential pressure flowmeter according to claim 1, it is characterised in that described vibrating device is described for being arranged on
For being passed through compressed air, the acoustic wave ash ejector producing sound wave to described probe tube in housing.
5. anti-blocking differential pressure flowmeter according to claim 1, it is characterised in that described vibrating device includes being arranged on institute
State the vibrating head within probe tube and be arranged on outside described probe tube to drive the solenoid of described vibrating head vibration；
It is connected together through the hinges bottom the described vibrating head of two probe tubes being positioned at described casing center.
6. anti-blocking differential pressure flowmeter according to claim 1, it is characterised in that described vibrating device includes:
Helical axis, is arranged on inside described probe tube, and the described probe tube that overhangs out downwards bottom it；Including central shaft and spiral
It is surrounded on the propeller blade outside described central shaft；
Runner, including center and be arranged at intervals at the multiple blades outside described center, described blade is from described center
Outside extending radially outwardly along described center, described center is sheathed on described central shaft, and with at the bottom of described central shaft
Portion is in transmission connection；Described runner is arranged in mozzle, and axially arranged along described mozzle of the diametric(al) of described runner；
The air inlet of described mozzle carrys out flow path direction towards testing medium, has towards described runner wherein inside described mozzle
The flow-guiding channel that side blade is blown；
Described probe tube top is provided with inductive probe, and the corresponding position of described central shaft is provided with prominent structure, described
Inductive probe is by this prominent structure measurement runner rotating speed.
7. anti-blocking differential pressure flowmeter according to claim 1, it is characterised in that described vibrating device includes:
Helical axis, is arranged on inside described probe tube, including central shaft and screw outside described central shaft for the spiral surrounding
Leaf；
Runner, is arranged at bottom described probe tube, including center and be arranged at intervals at the multiple blades outside described center,
Described blade extending radially outwardly along described center outside described center, described center is sheathed on described central shaft
On, and be connected with described central shaft bottom driving；
It is formed with the diversion gap arranging towards described runner wherein side blade bottom described probe tube and block towards described
The water conservancy diversion occlusion part that runner opposite side blade is arranged；
Described probe tube top is provided with inductive probe, and the corresponding position of described central shaft is provided with prominent structure, described
Inductive probe is by this prominent structure measurement runner rotating speed.
8. the anti-blocking differential pressure flowmeter according to claim 6 or 7, it is characterised in that it is right that probe tube top is additionally provided with
Described central shaft produces the rapping apparatus of rapping effect.
9. the anti-blocking differential pressure flowmeter according to claim 1-7 is arbitrary, it is characterised in that at probe tube lower sides
Testing medium offers on flow path direction blowback hole.
10. the anti-blocking differential pressure flowmeter according to claim 1-7 is arbitrary, it is characterised in that the positive pressure side of described housing
Offering breach, the measurement end of the probe tube being positioned at described housing positive pressure side is arranged on the inclined-plane of described breach, described inclined-plane
Horizontal by 45～60 degree of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620619073.3U CN205679283U (en) | 2016-06-22 | 2016-06-22 | Anti-blocking differential pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620619073.3U CN205679283U (en) | 2016-06-22 | 2016-06-22 | Anti-blocking differential pressure flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679283U true CN205679283U (en) | 2016-11-09 |
Family
ID=57430304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620619073.3U Expired - Fee Related CN205679283U (en) | 2016-06-22 | 2016-06-22 | Anti-blocking differential pressure flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205679283U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953855A (en) * | 2016-06-22 | 2016-09-21 | 武金玉 | Anti-blockage differential pressure flowmeter |
| CN118483007A (en) * | 2024-07-15 | 2024-08-13 | 济南市生态环境监控中心 | Gas sampling device for environment detection |
-
2016
- 2016-06-22 CN CN201620619073.3U patent/CN205679283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953855A (en) * | 2016-06-22 | 2016-09-21 | 武金玉 | Anti-blockage differential pressure flowmeter |
| CN118483007A (en) * | 2024-07-15 | 2024-08-13 | 济南市生态环境监控中心 | Gas sampling device for environment detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20200622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |