CN110261646A - A kind of flue gas flow rate measurement calibrating installation - Google Patents
A kind of flue gas flow rate measurement calibrating installation Download PDFInfo
- Publication number
- CN110261646A CN110261646A CN201910661130.2A CN201910661130A CN110261646A CN 110261646 A CN110261646 A CN 110261646A CN 201910661130 A CN201910661130 A CN 201910661130A CN 110261646 A CN110261646 A CN 110261646A
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- China
- Prior art keywords
- pipe
- flue
- sealing telescopic
- telescopic pipe
- mounting cylinder
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
- G01P21/025—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers for measuring speed of fluids; for measuring speed of bodies relative to fluids
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of flue gas flow rates to measure calibrating installation, including flue and airspeedometer；The flue gas flow rate measures calibrating installation further include: side pipe, ball valve and sealing telescopic pipe；The side pipe is connected to flue side wall；The ball valve is mounted on side pipe；Sealing telescopic pipe one end fixed seal connection mounting cylinder, mounting cylinder and side pipe match far from flue one end, and mounting cylinder and side pipe are connected far from flue one end by thread seal；In the wind speed feeler lever insertion sealing telescopic pipe of the airspeedometer and with sealing telescopic pipe fixed seal connection, the wind speed feeler lever length of airspeedometer is greater than sealing telescopic pipe and is retracted to the sum of length and side pipe length most in short-term.To solve the problem of that the fixed airspeedometer disassembly of the prior art is very inconvenient and cannot be verified in working condition.
Description
Technical field
The present invention relates to flue gas flow rate field of measuring technique more particularly to a kind of flue gas flow rate to measure calibrating installation.
Background technique
See Fig. 1, the flue gas flow rate in thermal power plant's pipeline is measured by the fixation airspeedometer 10 being fixedly mounted on pipeline, Gu
Determine airspeedometer 10 just to need to verify every one end time, to examine whether the measurement accuracy of fixed airspeedometer 10 meets the requirements, but
It is very inconvenient to be that this fixed airspeedometer 10 is dismantled, and also results in system after working condition disassembly and do not receive fume pipe
Air speed data on road causes system control is chaotic security risk even occur.It therefore can only be by closedown of pipeline, until instrument school
It can just be reopened after testing, this will lead to flue gas insufficient supply, so that running efficiency of system is low.
Summary of the invention
In order to solve the disadvantage that the above prior art and shortcoming, primary and foremost purpose of the invention are to provide a kind of flue gas stream
Speed measurement calibrating installation.
The technical scheme is that a kind of flue gas flow rate measures calibrating installation,
Including flue and airspeedometer；
The flue gas flow rate measures calibrating installation further include:
Side pipe, ball valve and sealing telescopic pipe；
The side pipe is connected to flue side wall；
The ball valve is mounted on side pipe；
Sealing telescopic pipe one end fixed seal connection mounting cylinder, mounting cylinder and side pipe match far from flue one end,
Mounting cylinder and side pipe are connected far from flue one end by thread seal；
The airspeedometer wind speed feeler lever insertion sealing telescopic pipe in and with sealing telescopic pipe fixed seal connection, the wind of airspeedometer
Fast feeler lever length is greater than sealing telescopic pipe and is retracted to the sum of length and side pipe length most in short-term.
The side pipe further include:
Seal stopper ring and seal washer；
The seal stopper ring is fixedly connected on side pipe outer surface far between flue one end and ball valve, seal stopper ring and side pipe
Distance far from flue one end is less than mounting cylinder length；
The seal washer is mounted between mounting cylinder end and seal stopper ring.
The flue gas flow rate measures calibrating installation further include:
Compression mechanism；
The compression mechanism includes:
Pull rod, fixed plate, movable plate and nut；
The fixed plate is fixedly connected on mounting cylinder side；
The movable plate is fixedly connected on the one end of sealing telescopic pipe far from mounting cylinder, is provided on movable plate long along sealing telescopic pipe
Spend the through-hole in direction；
The pull rod diameter is less than the through-hole diameter, and pull rod surface is equipped with screw thread, and described pull rod one end is fixedly connected on fixation
The other end passes through through-hole on plate, and the pull rod is parallel with sealing telescopic pipe and is located at sealing telescopic pipe side；
The nut matches with the pull rod, and for nut by being threadably mounted on pull rod, nut is located at movable plate far from installation
The side of cylinder.
The compression mechanism includes 2 or more, is uniformly distributed around sealing telescopic pipe axis.
The beneficial effects of the present invention are:
Compared with prior art, the present invention is by increasing side pipe, ball valve, sealing telescopic pipe and airspeedometer in flue side wall,
Make the wind speed feeler lever of airspeedometer be inserted into sealing telescopic pipe and with sealing telescopic pipe fixed seal connection, when use will sealing it is flexible
The mounting cylinder of pipe is mounted on side pipe by thread seal, is then opened ball valve, and the flexible length of tube of compression seal visits wind speed
Bar is inserted into flue, to detect the flue gas flow rate in being currently running, passes through the numerical value detected with fixed airspeedometer
Comparison, to realize that the measurement accuracy to fixed airspeedometer verifies.When not verifying, simultaneously by wind speed feeler lever extraction flue
Ball valve is closed, is then dismantled mounting cylinder and side pipe, so that it may which the airspeedometer being mounted on sealing telescopic pipe is verified.This hair
It is bright not need to dismantle fixed airspeedometer when verifying fixed airspeedometer, and can be in the feelings for guaranteeing that flue is not closed
It realizes that verification is more convenient to the verification of fixed airspeedometer under condition, does not influence system operation, and flue gas will not in checking procedure
It reveals, securely and reliably.
Detailed description of the invention
Fig. 1 is three-dimensional view of the invention；
Fig. 2 is right view of the invention；
Fig. 3 is B-B cross section view of the invention；
Fig. 4 is the partial schematic diagram at C of the present invention.
Specific embodiment
With reference to the accompanying drawing and invention is described further in specific embodiment:
Referring to figs. 1 to Fig. 4, a kind of flue gas flow rate measurement calibrating installation, including flue 1 and airspeedometer 6；The flue gas flow rate
Measure calibrating installation further include: side pipe 2, ball valve 3 and sealing telescopic pipe 4；The side pipe 2 is connected to 1 side wall of flue；It is described
Ball valve 3 is mounted on side pipe 2；4 one end fixed seal connection mounting cylinder 5 of sealing telescopic pipe, mounting cylinder 5 and side pipe 2 are separate
1 one end of flue matches, and mounting cylinder 5 is connect far from 1 one end of flue by thread seal with side pipe 2；The wind speed
The wind speed feeler lever 601 of meter 6 be inserted into sealing telescopic pipe 4 and with 4 fixed seal connection of sealing telescopic pipe, the wind speed of airspeedometer 6 visits
601 length of bar is greater than sealing telescopic pipe 4 and is retracted to the sum of length and 2 length of side pipe most in short-term.
The present invention makes wind speed by increasing side pipe 2, ball valve 3, sealing telescopic pipe 4 and airspeedometer 6 in 1 side wall of flue
The wind speed feeler lever 601 of meter 6 be inserted into sealing telescopic pipe 4 and with 4 fixed seal connection of sealing telescopic pipe, when use will sealing it is flexible
The mounting cylinder 5 of pipe 4 is mounted on side pipe 2 by thread seal, is then opened ball valve 3, and 4 length of compression seal telescoping tube makes wind
Fast feeler lever 601 is inserted into flue 1, so that the flue gas flow rate in being currently running is detected, by detecting with fixed airspeedometer 6
The numerical value comparison arrived, to realize that the measurement accuracy to fixed airspeedometer 6 verifies.When not verifying, wind speed feeler lever 601 is taken out
Flue 1 and ball valve 3 is closed out, then dismantled mounting cylinder 5 and side pipe 2, so that it may to the wind being mounted on sealing telescopic pipe 4
Speed meter 6 is verified.The present invention does not need to dismantle fixed airspeedometer 6 when verifying fixed airspeedometer 6, and can protect
Card flue 1 realizes that verification is more convenient to the verification of fixed airspeedometer 6 in the case where not closing, do not influence system operation,
And flue gas will not be revealed in checking procedure, securely and reliably.
The side pipe 2 further include: seal stopper ring 8 and seal washer 9；The seal stopper ring 8 is fixedly connected on 2 appearance of side pipe
Face is far between 1 one end of flue and ball valve 3, and seal stopper ring 8 and side pipe 2 are far from being less than peace at a distance from 1 one end of flue
5 length of fitted tube；The seal washer 9 is mounted between 5 end of mounting cylinder and seal stopper ring 8.
In use, due to the mutual extrusion between 5 end of mounting cylinder and seal stopper ring 8, so that seal washer 9 is by mounting cylinder 5
The outlet on surface is shut, and the leakproofness between mounting cylinder 5 and side pipe 2 is further improved.
The flue gas flow rate measures calibrating installation further include: compression mechanism 7；The compression mechanism 7 includes: pull rod 703, consolidates
Fixed board 701, movable plate 702 and nut 704；The fixed plate 701 is fixedly connected on 5 side of mounting cylinder；The movable plate 702 is solid
Surely it is connected to the one end of sealing telescopic pipe 4 far from mounting cylinder 5, is provided on movable plate 702 along the logical of 4 length direction of sealing telescopic pipe
Hole；703 diameter of pull rod is less than the through-hole diameter, and 703 surface of pull rod is equipped with screw thread, and described 703 one end of pull rod is fixed to be connected
It connects the other end in fixed plate 701 and passes through through-hole, the pull rod 703 is parallel with sealing telescopic pipe 4 and is located at 4 side of sealing telescopic pipe
Portion；The nut 704 matches with the pull rod 703, and by being threadably mounted on pull rod 703, nut 704 is located at nut 704
Side of the movable plate 702 far from mounting cylinder 5.
In use, can be by rotating nuts 704, so that nut 704 is threadingly moved to 701 direction of fixed plate, to push away
Dynamic movable plate 702 is moved to 701 direction of fixed plate, so that 4 length of sealing telescopic pipe is compressed, so that wind speed probe
In 601 insertion flues 1, to realize the measurement to flue gas flow rate, and then the verification to fixed airspeedometer 10 is realized.Measurement
Hand pressure is substituted using compression mechanism 7 in the process, avoids hand from contacting high temperature, and the motionless sealing telescopic pipe 4 of nut 704 will be pressed
Contracting is remained stationary in certain length, to avoid mitigating the burden of people, while pull rod 703 can also rise using the continuous pressure of human hand held
To the effect of support sealing telescopic pipe 4, wind speed probe may be damaged by pressure by avoiding sealing telescopic pipe 4 from being bent down by gravity
601 the problem of.
The compression mechanism 7 includes 2 or more, is uniformly distributed around 4 axis of sealing telescopic pipe.
So that 4 uniform force of sealing telescopic pipe, avoid pressing from side and the other side does not have pressure and causes sealing flexible
The problem of pipe 4 is bent, the problem of causing wind speed probe 601 to be subject to crushing.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (4)
1. a kind of flue gas flow rate measures calibrating installation,
Including flue (1) and airspeedometer (6)；
It is characterized in that,
The flue gas flow rate measures calibrating installation further include:
Side pipe (2), ball valve (3) and sealing telescopic pipe (4)；
The side pipe (2) is connected to flue (1) side wall；
The ball valve (3) is mounted on side pipe (2)；
Sealing telescopic pipe (4) one end fixed seal connection mounting cylinder (5), mounting cylinder (5) and side pipe (2) are far from flue
(1) one end matches, and mounting cylinder (5) is connect far from flue (1) one end by thread seal with side pipe (2)；
The airspeedometer (6) wind speed feeler lever (601) insertion sealing telescopic pipe (4) in and with sealing telescopic pipe (4) fixing seal
Wind speed feeler lever (601) length of connection, airspeedometer (6) is retracted to length and side pipe (2) most in short-term greater than sealing telescopic pipe (4)
The sum of length.
2. flue gas flow rate according to claim 1 measures calibrating installation,
It is characterized in that,
The side pipe (2) further include:
Seal stopper ring (8) and seal washer (9)；
The seal stopper ring (8) is fixedly connected on side pipe (2) outer surface far between flue (1) one end and ball valve (3), close
Block ring (8) is less than mounting cylinder (5) length at a distance from side pipe (2) separate flue (1) one end；
The seal washer (9) is mounted between mounting cylinder (5) end and seal stopper ring (8).
3. flue gas flow rate according to claim 1 measures calibrating installation,
It is characterized in that,
The flue gas flow rate measures calibrating installation further include:
Compression mechanism (7)；
The compression mechanism (7) includes:
Pull rod (703), fixed plate (701), movable plate (702) and nut (704)；
The fixed plate (701) is fixedly connected on mounting cylinder (5) side；
The movable plate (702) is fixedly connected on the one end of sealing telescopic pipe (4) far from mounting cylinder (5), and movable plate is opened on (702)
There is the through-hole along sealing telescopic pipe (4) length direction；
Pull rod (703) diameter is less than the through-hole diameter, and pull rod (703) surface is equipped with screw thread, described pull rod (703) one end
It is fixedly connected on the other end on fixed plate (701) and passes through through-hole, the pull rod (703) is parallel with sealing telescopic pipe (4) and is located at
Sealing telescopic pipe (4) side；
The nut (704) matches with the pull rod (703), and nut (704) is by being threadably mounted on pull rod (703), spiral shell
Female (704) are located at the side of movable plate (702) far from mounting cylinder (5).
4. flue gas flow rate according to claim 3 measures calibrating installation,
It is characterized in that,
The compression mechanism (7) includes 2 or more, and around sealing telescopic pipe (4), axis is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661130.2A CN110261646A (en) | 2019-07-22 | 2019-07-22 | A kind of flue gas flow rate measurement calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661130.2A CN110261646A (en) | 2019-07-22 | 2019-07-22 | A kind of flue gas flow rate measurement calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110261646A true CN110261646A (en) | 2019-09-20 |
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ID=67927692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910661130.2A Pending CN110261646A (en) | 2019-07-22 | 2019-07-22 | A kind of flue gas flow rate measurement calibrating installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116068221A (en) * | 2023-03-06 | 2023-05-05 | 中国空气动力研究与发展中心空天技术研究所 | Can waterproof airspeed measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116068221A (en) * | 2023-03-06 | 2023-05-05 | 中国空气动力研究与发展中心空天技术研究所 | Can waterproof airspeed measuring device |
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