CN104897224B - Can scale removal flue gas flow measurement apparatus - Google Patents
Can scale removal flue gas flow measurement apparatus Download PDFInfo
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- CN104897224B CN104897224B CN201510321777.2A CN201510321777A CN104897224B CN 104897224 B CN104897224 B CN 104897224B CN 201510321777 A CN201510321777 A CN 201510321777A CN 104897224 B CN104897224 B CN 104897224B
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Abstract
The present invention relates to it is a kind of can scale removal flue gas flow measurement apparatus.Contain substantial amounts of sulphur in the flue gas of thermal power plant discharge, need to spray into enough calcium carbonate solns in flue gas, and generate calcium sulfite.It is easy to adhere to and form fouling when flow process sulfite calcium runs into flow measurement rod, influences the accurate measurement of flow.The present invention includes adapter nozzle and measuring stick, and measuring stick is formed by the measurement pipe and outside protection pipe coaxial package of inside；Slip positioning component is provided between measurement pipe and protection pipe；Pressure-sensitive mouth in end is provided with measuring stick；The first perching knife and the second perching knife are provided with end pressure-sensitive mouth；Linear reciprocating motion mechanism is provided between adapter nozzle and measuring stick；Between measurement pipe and protection pipe sliding sealing device is provided with linear reciprocating motion mechanism.The present invention can carry out comprehensive scale removal to device pressure-sensitive mouth, prevent calcium sulfite from blocking the pressure-sensitive mouth of flue gas flow measurement apparatus, ensure device normal use.
Description
Technical field
Be used to measure the device of fluid flow the present invention relates to a kind of, and in particular to it is a kind of can scale removal flue gas flow measurement
Device.
Background technology
Contain substantial amounts of sulphur in the flue gas of thermal power plant discharge, to meet environmental protection requirement, flue gas is being discharged into air
Desulfurization process must be carried out before, i.e., spray into enough calcium carbonate solns in flue gas, and it reacts with the sulphur in flue gas life
Into calcium sulfite, it is mingled in flue gas.The flow measurement rod being inserted into flue is run into flow process sulfite calcium
When be easy to be attached in measuring stick formed fouling accumulated, block flue gas flow measurement apparatus pressure-sensitive mouth, influence flow
Accurate measurement.
The content of the invention
It is an object of the invention to provide it is a kind of can scale removal flue gas flow measurement apparatus, by set perching knife remove be attached to
Calcium sulfite fouling in measuring stick.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The embodiment of the present invention provide it is a kind of can scale removal flue gas flow measurement apparatus, including adapter nozzle and measuring stick are described
Measuring stick is formed by the measurement pipe and outside protection pipe coaxial package of inside, and can do linear relative movement；The measurement pipe
Slip positioning component is provided between protection pipe；Pressure-sensitive mouth in end is provided with the measuring stick；At the end pressure-sensitive mouth
The first perching knife and the second perching knife are provided with, the first perching knife is fixed in protection pipe, and it is intraoral that its blade is located at end pressure-sensitive, the second shovel
Knife is fixed on its blade of protection pipe in measurement pipe distal outer surface；It is provided between the adapter nozzle and measuring stick reciprocal straight
Line movement mechanism, adapter nozzle are connected by the through hole in the middle part of linear reciprocating motion mechanism with measurement pipe；The measurement pipe and protection
Between pipe sliding sealing device is provided with linear reciprocating motion mechanism.It is provided with the measurement pipe and end pressure-sensitive mouth
Positioned at the middle pressure-sensitive mouth of measuring stick homonymy；The 3rd perching knife and the 4th perching knife, the 3rd perching knife are provided with the middle pressure-sensitive mouth
It is fixed in protection pipe, it is intraoral that its blade is located at middle pressure-sensitive, and the 4th perching knife is fixed in measurement pipe and its blade is positioned at protection
Tube outer surface.
The locating slot for sliding positioning component and being disposed on the positioning key and protection pipe in measurement pipe, positioning key are set
In in locating slot.
It is provided with the measuring stick and the middle symmetrical assist openings of pressure-sensitive opening's edge tube wall.
The outer tube cover plate of static pressure is provided with the outside of the assist openings and what is be fixedly connected with tube cover plate outside static pressure be fixed on survey
On buret and its blade is positioned at the 5th perching knife for protecting tube outer surface.The present invention has advantages below：
The present invention artificially periodically can be such that internal measurement pipe and outer protection pipe occurs relatively using linear reciprocating motion mechanism
The first perching knife for moving along a straight line and to be fixed in protection pipe at end pressure-sensitive mouth is located at the intraoral blade of end pressure-sensitive and occurred
Move along a straight line and remove the calcium sulfite fouling of the intraoral wall attachment of end pressure-sensitive, while cause the second shovel being fixed in protection pipe
Cutter spacing occurs linear motion in the blade of measurement tube outer surface and removes the calcium sulfite knot of attachment near end pressure-sensitive mouth outer wall
Dirt；Similarly, when linear relative movement occurs for internal measurement pipe and outer protection pipe, it is fixed on protection pipe upper slitter at middle pressure-sensitive mouth
Sword is located at the 3rd intraoral perching knife of middle pressure-sensitive and linear motion occurs and removes the sulfurous acid that the intraoral wall of middle pressure-sensitive nearby adheres to
Calcium fouling, it is fixed on fourth perching knife of its blade of measurement pipe on protection tube outer surface and linear motion occurs and feels among removing
The calcium sulfite fouling for pressing mouth outer wall nearby to adhere to, with symmetrical 5th perching knife of the second perching knife can with the second perching knife same principle and
The calcium sulfite fouling with outer surface at the middle symmetrical assist openings of pressure-sensitive mouth is removed, it is complete so as to be carried out to device pressure-sensitive mouth
Face scale removal, prevent calcium sulfite from blocking the pressure-sensitive mouth of flue gas flow measurement apparatus, ensure device normal use.
Brief description of the drawings
Fig. 1 is the sectional view of embodiment 1.
Fig. 2 is the sectional view of embodiment 2.
Fig. 3 is the sectional view of embodiment 3.
Fig. 4 is structure chart of the present invention（Top view A）.
Fig. 5 is structure chart of the present invention（Top view B）.
In figure, 1- adapter nozzles, 2- measurement pipes, 3- protection pipes, 4- slides positioning component, and 5- ends pressure-sensitive mouth, 6- first shovels
Knife, the perching knives of 7- second, 8- linear reciprocating motions mechanism, 9- sliding sealing devices, 10- centres pressure-sensitive mouth, the perching knives of 11- the 3rd, 12-
4th perching knife, 13- assist openings, the outer tube cover plate of 14- static pressure, the perching knives of 15- the 5th.
Embodiment
With reference to embodiment, the present invention will be described in detail.
Embodiment 1（Referring to Fig. 1 and Fig. 5）, it is of the present invention it is a kind of can scale removal flue gas flow measurement apparatus, including connect
Pipe nozzle 1 and measuring stick, the measuring stick is formed by the measurement pipe 2 and the outside coaxial package of protection pipe 3 of inside, and can be done relative
Linear motion；It is provided between the measurement pipe 2 and protection pipe 3 and slides positioning component 4；End sense is provided with the measuring stick
Press mouth 5；The first perching knife 6 and the second perching knife 7 are provided with the end pressure-sensitive mouth 5, the first perching knife 6 is fixed in protection pipe 3, its
Blade is located in end pressure-sensitive mouth 5, and the second perching knife 7 is fixed on its blade of protection pipe 3 in the distal outer surface of measurement pipe 2；Institute
State and linear reciprocating motion mechanism 8 is provided between adapter nozzle 1 and measuring stick, adapter nozzle 1 passes through the middle part of linear reciprocating motion mechanism 8
Through hole connected with measurement pipe 2；Between the measurement pipe 2 and protection pipe 3 slip is provided with linear reciprocating motion mechanism
Sealing device 9.
Embodiment 2（Referring to Fig. 2 and Fig. 4）It is provided with the measurement pipe 2 and is located at measuring stick homonymy with end pressure-sensitive mouth 5
Middle pressure-sensitive mouth 10；The 3rd perching knife 11 and the 4th perching knife 12 are provided with the middle pressure-sensitive mouth 10, the 3rd perching knife 11 is fixed on
In protection pipe 3, its blade is located in middle pressure-sensitive mouth 10, and the 4th perching knife 12 is fixed in measurement pipe 2 and its blade is positioned at protection
The outer surface of pipe 3.The locating slot for sliding positioning component 4 and being disposed on the positioning key in measurement pipe 3 and protection pipe 4, positioning
Key is arranged in locating slot.
Embodiment 3（Referring to Fig. 3）, it is provided with the measuring stick with middle pressure-sensitive mouth 10 along the symmetrical assist openings of tube wall
13.The outside of the assist openings 13 is provided with the outer tube cover plate 14 of static pressure and what is be fixedly connected with tube cover plate outside static pressure 14 be fixed on survey
On buret 2 and its blade is located at the 5th perching knife 15 of the outer surface of protection pipe 3.
Measuring stick described in the invention, the caliber of measurement pipe 2 is at 40 ~ 110 millimeters, and the bore of protection pipe 3 is than measurement
The pipe external diameter of pipe 2 is big 4 ~ 20 millimeters, about 1 ~ 6 meter of the length of measurement pipe 2.Each the middle opening size of pressure-sensitive mouth 4 of measurement point is
20*70mm~60*100mm.Measuring stick is formed by diameter difference measurement pipe 2 and the coaxial package of protection pipe 3.Set by device
Sliding sealing device 12, tested flue gas leakage can be prevented, while can be stuck between measurement pipe 2 and protection pipe 3, limit its phase
To position, make its keeping parallelism.Slip positioning component 4 in measuring stick can ensure interior measurement pipe with outside protective pipe in setting stroke
Inner makees linear reciprocation slip.The fixed part of linear reciprocating motion mechanism 8 is connected with protection pipe 3, and movable part end connects with measurement pipe 2
Connect.
In the present embodiment, measuring stick is fixed by ring flange installation lid, then protection pipe 3 is fixed, and measurement pipe 2 can pass through behaviour
Make line reciprocator 8 to be acted.Two inner side edges of the blade of the first perching knife 6 and end pressure-sensitive mouth 5 fit, the second perching knife
Nearby outer wall fits 7 blade with end pressure-sensitive mouth 5.When being provided only with end pressure-sensitive mouth 5, single-point type measurement can be carried out.The
Two perching knives 7 are stuck between measurement pipe 2 and protection pipe 3 at the same time as end locating ring, limit its relative position, make its holding
It is parallel.
Two inner side edges of the blade of the 3rd perching knife 11 and middle pressure-sensitive mouth 10 fit, blade and the centre of the 4th perching knife 12
Nearby outer wall fits pressure-sensitive mouth 10.It is simultaneously then multipoint mode measurement apparatus provided with middle pressure-sensitive mouth 10 and end pressure-sensitive mouth 5.
Multiple middle pressure-sensitive mouths 10 can be arranged as required on measurement barred body, while supporting the 3rd perching knife 11 and the 4th perching knife are set
12, improve measurement data reliability.
It is provided with measuring stick and is set with middle pressure-sensitive mouth 10 along the symmetrical assist openings 13 of tube wall, the outside of assist openings 13
There is the outer tube cover plate 14 of static pressure and being fixed in measurement pipe 2 of being fixedly connected with tube cover plate outside static pressure 14 and its blade is located at protection pipe
5th perching knife 15 of 3 outer surfaces, is exclusively used in static pressure measurement device.Assist openings 13 are mainly used to facilitate the peace of the 5th perching knife 15
Dress, the outer tube cover plate 14 of static pressure are mainly used to block assist openings 13, prevent debris from entering.Middle pressure-sensitive mouth 10 and assist openings 13
And the outer perching knife of tube cover plate 14 and the 5th of the 3rd perching knife 11, the 4th perching knife 12, static pressure exists simultaneously, can set simultaneously multiple.Always
Pressure measuring device and static pressure measurement device are laid out for independent parallel formula, and both do not interfere with each other, and signal intensity is got a promotion, and make it
Meeting can normal use when being mingled with a large amount of solid impurities.During installation, the total pressure measurement rod of total pressure measure apparatus, pressure-sensitive mouth face
Direction of flow；And the static pressure measurement rod of static pressure measurement device, pressure-sensitive mouth direction is completely on the contrary, be backwards to direction of flow.Using
During this product, it is connected by adapter nozzle 1 with required supporting measurement apparatus, you can carry out flue gas flow measurement.Can be rule of thumb
Corresponding run time is set, operation linear reciprocating motion mechanism 8, rotary motion is changed into linear motion and drives measuring stick
Internal measurement pipe makees straight reciprocating motion, and the 3rd perching knife 11 being fixed among causing at pressure-sensitive mouth 10 in protection pipe 3 is located at
Blade in middle pressure-sensitive mouth 10 occurs linear motion and removes the calcium sulfite fouling of attachment in middle pressure-sensitive mouth 10, makes simultaneously
The blade that the 4th perching knife 12 that must be fixed in measurement pipe 2 is located at the outer surface of protection pipe 3 occurs linear motion and removes middle sense
The calcium sulfite fouling for pressing the outer wall of mouth 10 nearby to adhere to；Similarly, relative rectilinear fortune occurs for internal measurement pipe 2 and outer protection pipe 3
The first perching knife 6 that the upper knife edge of protection pipe 3 is located in end pressure-sensitive mouth 5 is fixed on when dynamic, at end pressure-sensitive mouth 5 to move along a straight line
And the calcium sulfite fouling adhered in end pressure-sensitive mouth 5 is removed, it is fixed on protection pipe 3 its blade and is located at the end appearance of measurement pipe 2
The second perching knife 7 on face occurs linear motion and removes the calcium sulfite fouling of attachment near the outer wall of end pressure-sensitive mouth 5, the 5th shovel
Knife 15 and the same principle of the 4th perching knife 12 remove the calcium sulfite fouling with the symmetrical assist openings 13 of middle pressure-sensitive mouth 10, so as to
Comprehensive scale removal can be carried out to device pressure-sensitive mouth, prevent calcium sulfite from blocking the pressure-sensitive mouth of flue gas flow measurement apparatus, ensure device
Normal use.
Present disclosure is not limited to cited by embodiment, and those skilled in the art are by reading description of the invention and right
Any equivalent conversion that technical solution of the present invention is taken, it is that claim of the invention is covered.
Claims (5)
1. it is a kind of can scale removal flue gas flow measurement apparatus, including adapter nozzle（1）And measuring stick, it is characterised in that：The measurement
Rod is by internal measurement pipe（2）With the protection pipe of outside（3）Coaxial package forms, and can do linear relative movement；
The measurement pipe（2）And protection pipe（3）Between be provided with slip positioning component（4）；
Pressure-sensitive mouth in end is provided with the measuring stick（5）；
The end pressure-sensitive mouth（5）Place is provided with the first perching knife（6）With the second perching knife（7）, the first perching knife（6）It is fixed on protection pipe
（3）On, its blade is located at end pressure-sensitive mouth（5）It is interior, the second perching knife（7）It is fixed on protection pipe（3）Its blade is located at measurement pipe（2）
In distal outer surface；
The adapter nozzle（1）Linear reciprocating motion mechanism is provided between measuring stick（8）, adapter nozzle（1）Pass through reciprocating linear
Motion（8）The through hole and measurement pipe at middle part（2）Connection；The measurement pipe（2）And protection pipe（3）Between close to reciprocating linear
Sliding sealing device is provided with motion（9）.
2. it is according to claim 1 it is a kind of can scale removal flue gas flow measurement apparatus, it is characterised in that：
The measurement pipe（2）On be provided with and end pressure-sensitive mouth（5）Positioned at the middle pressure-sensitive mouth of measuring stick homonymy（10）；
The middle pressure-sensitive mouth（10）Place is provided with the 3rd perching knife（11）With the 4th perching knife（12）, the 3rd perching knife（11）It is fixed on guarantor
Pillar（3）On, its blade is located in middle pressure-sensitive mouth (10), the 4th perching knife（12）It is fixed on measurement pipe（2）Upper and its blade position
In protection pipe（3）Outer surface.
3. it is according to claim 1 or 2 it is a kind of can scale removal flue gas flow measurement apparatus, it is characterised in that：The slip
Positioning component（4）It is disposed on measurement pipe（2）On positioning key and protection pipe（3）On locating slot, positioning key is arranged at positioning
In groove.
4. it is according to claim 2 it is a kind of can scale removal flue gas flow measurement apparatus, it is characterised in that：In the measuring stick
It is provided with and middle pressure-sensitive mouth（10）Along the symmetrical assist openings of tube wall（13）.
5. it is according to claim 4 it is a kind of can scale removal flue gas flow measurement apparatus, it is characterised in that：The assist openings
（13）Outside is provided with the outer tube cover plate of static pressure（14）With with tube cover plate outside static pressure（14）What is be fixedly connected is fixed on measurement pipe（2）On
And its blade is located at protection pipe（3）5th perching knife of outer surface（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321777.2A CN104897224B (en) | 2015-06-12 | 2015-06-12 | Can scale removal flue gas flow measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321777.2A CN104897224B (en) | 2015-06-12 | 2015-06-12 | Can scale removal flue gas flow measurement apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104897224A CN104897224A (en) | 2015-09-09 |
| CN104897224B true CN104897224B (en) | 2018-03-16 |
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ID=54030033
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510321777.2A Active CN104897224B (en) | 2015-06-12 | 2015-06-12 | Can scale removal flue gas flow measurement apparatus |
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| CN (1) | CN104897224B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132079B (en) * | 2017-12-22 | 2020-01-10 | 马鞍山合力仪表有限责任公司 | On-site flow detection device |
| CN109696522A (en) * | 2018-05-31 | 2019-04-30 | 中电华创(苏州)电力技术研究有限公司 | A kind of Denitration in Boiler flue gas the escaping of ammonia detector with temperature difference adaptation function |
| CN109459097B (en) * | 2018-09-12 | 2023-12-19 | 温晓明 | Matrix distributed flow measuring device for online descaling and cold-hot state comparison |
| CN109655115B (en) * | 2018-12-26 | 2020-11-17 | 北京安和博控科技有限公司 | Porous transformation flow testing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055815A (en) * | 1991-06-08 | 1991-10-30 | 冶金部安全环保研究院 | Flow measurement device for industrial pipeline gas |
| JPH07198435A (en) * | 1993-12-28 | 1995-08-01 | Takuma Co Ltd | Automatic cleaning type porous pitot tube for measuring flow rate |
| CN2881558Y (en) * | 2006-03-15 | 2007-03-21 | 项家从 | Antiadhesion antiblocking uniform speed pipe flow sensor |
| CN103940479A (en) * | 2013-01-18 | 2014-07-23 | 上海艾一机电设备有限公司 | An anti-blocking uniform-velocity-tube flow sensor |
| CN204649254U (en) * | 2015-06-12 | 2015-09-16 | 温晓明 | A kind of can the flue gas flow measurement mechanism of scale removal |
-
2015
- 2015-06-12 CN CN201510321777.2A patent/CN104897224B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055815A (en) * | 1991-06-08 | 1991-10-30 | 冶金部安全环保研究院 | Flow measurement device for industrial pipeline gas |
| JPH07198435A (en) * | 1993-12-28 | 1995-08-01 | Takuma Co Ltd | Automatic cleaning type porous pitot tube for measuring flow rate |
| CN2881558Y (en) * | 2006-03-15 | 2007-03-21 | 项家从 | Antiadhesion antiblocking uniform speed pipe flow sensor |
| CN103940479A (en) * | 2013-01-18 | 2014-07-23 | 上海艾一机电设备有限公司 | An anti-blocking uniform-velocity-tube flow sensor |
| CN204649254U (en) * | 2015-06-12 | 2015-09-16 | 温晓明 | A kind of can the flue gas flow measurement mechanism of scale removal |
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| Publication number | Publication date |
|---|---|
| CN104897224A (en) | 2015-09-09 |
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