CN108286624A - A kind of interior leakage on-Line Monitor Device for valve - Google Patents
A kind of interior leakage on-Line Monitor Device for valve Download PDFInfo
- Publication number
- CN108286624A CN108286624A CN201711404431.4A CN201711404431A CN108286624A CN 108286624 A CN108286624 A CN 108286624A CN 201711404431 A CN201711404431 A CN 201711404431A CN 108286624 A CN108286624 A CN 108286624A
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- Prior art keywords
- valve
- ontology
- monitor device
- line monitor
- shaft
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- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000005674 electromagnetic induction Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010061619 Deformity Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The present invention provides a kind of interior leakage on-Line Monitor Device for valve, the valve includes valve body, it is arranged in valve inner and realizes the spool of valve opening and closing function and the intake channel and exit passageway in valve body both sides is set, the interior leakage on-Line Monitor Device includes the detection part being arranged in exit passageway and outside the valve body and the indicate indicator that is connect with detection part, when spool and valve body leak, the flow media occurred in exit passageway can drive detection part to rotate, the indicate indicator is linked with detection part to prompt user's valve that interior leakage occurs, then leakage quantity size in can also substantially being judged according to the velocity of rotation of indicate indicator, the configuration of the present invention is simple, monitoring is accurately and timely, it ensure that the normal work of valve.
Description
Technical field
The present invention relates to valve field more particularly to a kind of interior leakage on-Line Monitor Devices for valve.
Background technology
The therrmodynamic system in power plant is the organic whole being formed by connecting by heat power equipment, various attachmentes and pipeline, and valve is not
Only it is inalienable part in production system, and occupies an important position, all kinds of valves is only arranged in piping, make Jie
The movement of matter is controlled, and could meet the needs of production procedure, ensures the safe and reliable of system.
But valves leakage is a very universal phenomenon in thermal power plant, there is pipe in the main reason for valves leakage
Inside road it is unclean cause valve sealing face pull be injured, misoperation or the improper valve close moment deficiency sealing surface of setting it is close
Seal pressure is not enough, bad generations of steam blow loss, high temperature valve material seal facial disfigurement and cause to be not closed completely.The interior leakage one of valve
Aspect causes the reduction of economy, the loss of working medium, and on the other hand the interior serious valve of leakage can be for a long time to the rear side pipeline of valve
It is washed away, elbow trommel can be made, in turn result in security risk or accident.
In consideration of it, it is necessary to design a kind of to solve the above problems for the interior leakage on-Line Monitor Device of valve.
Invention content
The technical problem to be solved by the present invention is to：A kind of interior leakage on-line monitoring dress being conveniently and quickly used for valve is provided
It sets.
In order to achieve the above objectives, the present invention provides following technical solutions：Dress is monitored in a kind of interior leakage for valve on-line
It sets, the valve includes valve body, the spool in valve inner and realization valve opening and closing function is arranged and is arranged in valve body both sides
Intake channel and exit passageway, it is described it is interior leakage on-Line Monitor Device include be arranged exit passageway in detection part and installation
The indicate indicator being connect outside valve body and with detection part, when spool and valve body leak, the stream that occurs in exit passageway
Dynamic medium can drive detection part to rotate, and the indicate indicator is linked with detection part to prompt user's valve that interior leakage occurs.
Further, the detection part is mounted on the center line position below of exit passageway.
Further, the interior leakage on-Line Monitor Device includes ontology, the sealing peace that sealing is inserted into above exit passageway
The shaft on the body and being freely rotated is filled, lens on the body are installed and installs on the body and fix the lid of lens
The both ends of cap, the shaft pass through ontology, one end and the detection part cooperation of the shaft to be located in exit passageway, the shaft
The other end and indicate indicator coordinate between ontology and lens.
Further, the ontology and outlet
Further, described shaft one end be equipped be mounted on ontology above limiting section, the limiting section be located at indicate indicator with
Between ontology；The shaft other end is equipped with fixing nut, and the fixing nut is described between ontology and detection part
Fixing nut palette is in the lower section of ontology；Clearance fit between the shaft and ontology.
Further, the detection part uses impeller；The indicate indicator uses pointer.
Further, the interior leakage on-Line Monitor Device further includes being mounted on the electricity connecting on the outside of valve body and with indicate indicator
The magnetic line of force of magnetic induction component, indicate indicator rotation cutting electromagnetic induction part sends out electric signal, remote indication user's valve
Leakage in occurring.
Further, the shaft and one end of indicate indicator cooperation are convexly equipped with induction rod, and the induction rod sequentially passes through
It lens and block and is inserted into inside electromagnetic induction part, the induction rod rotation can cut the magnetic force of electromagnetic induction part generation
Line.
Further, described shaft one end is arranged with the bushing between indicate indicator and ontology；Another end cap of shaft
Fixing nut equipped with bearing holder (housing, cover) and fixing axle bearing sleeve, the neck bush and fixing nut be located at ontology and detection part it
Between；Several sealing rings are equipped between the shaft and ontology.
Further, the valve inner is equipped with the valve port coordinated with spool, the intake channel and exit passageway difference
Positioned at the following above and of valve port, the detection part is close to valve port.
Compared with prior art, the present invention has at least the following advantages：
1. the present invention generates air-flow or liquid flow principle when utilizing valves leakage media flow, test section is pushed using fluid dynamic
Part rotates, and then drives indicate indicator rotation, to judge the whether interior leakage of valve, is substantially sentenced according to the velocity of rotation of indicate indicator
Leakage quantity size in disconnected；
2. on-line real time monitoring not only may be implemented in the present invention, also by increase electromagnetic induction part, online long-range monitoring is realized,
It uses manpower and material resources sparingly, improves working efficiency, also improve the promptness of interior leakage monitoring.
Description of the drawings
Fig. 1 is the structural schematic diagram of the interior leakage on-Line Monitor Device of the embodiment of the present invention one in a state of use.
Fig. 2 is the partial enlarged view of part A in interior leakage on-Line Monitor Device shown in FIG. 1.
Fig. 3 is the structural schematic diagram of the interior leakage on-Line Monitor Device of the embodiment of the present invention two in a state of use.
Fig. 4 is the partial enlarged view of part B in interior leakage on-Line Monitor Device shown in Fig. 3.
Specific implementation mode
With reference to the structure and invention content of the interior leakage on-Line Monitor Device of the description present invention of Fig. 1 to 4.
Embodiment one：
As illustrated in fig. 1 and 2, the interior leakage on-Line Monitor Device that the present invention protects is applied on the valve of thermal power generation system, described
Valve includes valve body 1, intake channel 2 in 1 both sides of valve body is set with exit passageway 3, be arranged and be connected to import inside valve body 1
The valve port 4 of channel 2 and exit passageway 3, spool 5 and driving 5 work of spool on valve body 1 and with the sealing cooperation of valve port 4
Make the driving mechanism of realization valve opening and closing function.The intake channel 2 and exit passageway 4 are located at the lower section of valve port 4 and upper
Side.Medium in system enters from intake channel 2, is then discharged from exit passageway 3；Spool 5 is according to actual condition, with valve port 4
Unlatching/closing is realized in cooperation.But since abrasion is used for a long time or is arranged improper, it may result in the sealing of spool 5 and valve port 5
Performance declines, and interior leakage occurs.
The interior leakage on-Line Monitor Device of the present invention includes that sealing is inserted into the ontology 6 of 3 top of exit passageway, is sealingly mounted at
On ontology 6 and be freely rotated shaft 7, the detection part 8 mounted on 7 one end of shaft and in the exit passageway 3, be mounted on and turn
7 other end of axis and the indicate indicator 9 outside valve body 1, the lens on ontology 6 and right over indicate indicator 9
10 and on ontology 6 and the block 11 of fixed lens 10.The ontology 6 includes receiving portion 12, extends from receiving portion 12
The fixed part 13 of formation and the shoulder formed by receiving portion 12 and fixed part 13.The lateral surface of the shoulder and exit passageway 3
Between be provided with annular gasket 14.The fixed part 13 is inserted by screw thread on exit passageway 3, convenient for disassembly and assembly in this way, just
In repair.
One end of the shaft 7 is located in receiving portion 12, and the end is also convexly equipped with the limit for being held in 13 top of fixed part
Portion 15, the limiting section 15 are used for limiting the position of shaft 7 between indicate indicator 9 and fixed part 13.The shaft it is another
One end is located at across fixed part 13 in exit passageway 3, and the end is equipped with fixing nut 16, and the fixing nut 16, which is located at, fixes
Between portion 13 and detection part 8,16 palette of the fixing nut is in the lower section of fixed part 13 and is equipped with sealing between the two
Circle 17.The position of the limiting section 15 and fixing nut 16 cooperation limitation and fixed rotating shaft 7.The shaft 7 and fixed part 13 it
Between clearance fit.
The detection part 8 is mounted on the center line position below of exit passageway 3 and close using impeller
Valve port 4.Since exit passageway 3 is disposed relative to the top of valve port 4, so the installation position of detection part 8 is even more important.Cause
This is when interior leakage occurs for valve internal, it is ensured that and then the flowing of 8 timely perception medium of detection part sends out feedback in time,
Impeller rotates, and passes to indicate indicator 9 by shaft 7, indicate indicator 9 prompts user's timely processing after rotating.Test section
The position of part 8 is set, and is effectively controlled the medium discharge capacity of valves leakage, is reduced the damage that the medium of interior leakage brings valve
And the influence to system work, improve the promptness of on-line real time monitoring.
The indicate indicator 9 uses pointer, is contained in receiving portion 12, is covered, be ensure that by lens 10 and block 11
The working environment of indicate indicator 9 is clean.
The present invention generates air-flow or liquid flow principle when utilizing interior leakage media flow, and detection part is pushed using fluid dynamic
8 rotations, and then indicate indicator 9 is driven to rotate, to judge the whether interior leakage of valve, substantially according to the velocity of rotation of indicate indicator 9
Leakage quantity size in judging.
Embodiment two：
The present embodiment is identical as the basic structure of embodiment one, the difference is that only：The interior leakage on-Line Monitor Device is also wrapped
It includes mounted on the electromagnetic induction part 20 ' valve body 1 ' outside and connect with indicate indicator 9 '.The rotation of the indicate indicator 9 ' cutting
The magnetic line of force of electromagnetic induction part 20 ' sends out electric signal, and interior leakage occurs for remote indication user's valve.
7 ' one end of the shaft connect with indicate indicator 9 ' and in the receiving portion 12 ' of ontology 6 '.The described end is also convex
Equipped with induction rod 21 '.The induction rod 21 ' sequentially passes through lens 10 ' and block 11 ' and is inserted into electromagnetic induction part 20 '
Portion.The induction rod 21 ' rotates the magnetic line of force that can cut the generation of electromagnetic induction part 20 '.
7 ' one end of the shaft is arranged with the bushing 22 ' between indicate indicator 9 ' and fixed part 13 '.The bushing 22 ' can
To be used for limiting indicate indicator ' axial movement.7 ' the other end of the shaft is arranged with the bearing holder (housing, cover) below fixed part 13 '
23 ' and fixing axle bearing sleeve 23 ' fixing nut 24 '.The neck bush 23 ' and fixing nut 24 ' are located at fixed part 13 ' and inspection
It surveys between component 8 '.The bearing holder (housing, cover) 23 ' can reduce the axial rub resistance of shaft 7 '.The shaft 7 ' is consolidated with ontology 6 '
Determine to be equipped with several sealing rings 25 ' between portion 13 '.The sealing ring 25 ' can prevent the dielectric leakage of interior leakage to receiving portion 12 '
In, influence the work of indicate indicator 9 '.
The online long-range monitoring of valves leakage may be implemented in the present invention and field monitoring is carried out at the same time.
In conclusion the above is merely preferred embodiments of the present invention, should not be limited the scope of the invention with this.It is i.e. all
It is that all should still belong to patent of the present invention according to simple equivalent changes and modifications made by claims of the present invention and description
In the range of covering.
Claims (10)
1. a kind of interior leakage on-Line Monitor Device for valve, the valve includes valve body, setting in valve inner and realizes valve
Door opens and closes the spool of function and the intake channel and exit passageway in valve body both sides is arranged, it is characterised in that：The interior leakage exists
Line monitoring device includes the detection part being arranged in exit passageway and outside the valve body and the finger that is connect with detection part
Show component, when spool and valve body leak, the flow media occurred in exit passageway can drive detection part to rotate, the finger
Show that component is linked with detection part to prompt user's valve that interior leakage occurs.
2. leaking on-Line Monitor Device in as described in claim 1, it is characterised in that：The detection part is mounted on exit passageway
Center line position below.
3. leaking on-Line Monitor Device in as described in claim 1, it is characterised in that：The interior leakage on-Line Monitor Device includes close
Envelope is inserted into ontology above exit passageway, is sealingly mounted on ontology and is freely rotated shaft, installation on the body saturating
Mirror and the block for installing on the body and fixing lens, the both ends of the shaft pass through ontology, one end of the shaft and inspection
It surveys component cooperation to be located in exit passageway, the other end and indicate indicator of the shaft coordinate between ontology and lens.
4. leaking on-Line Monitor Device in as claimed in claim 3, it is characterised in that：It is equipped between the ontology and exit passageway
Gasket.
5. leaking on-Line Monitor Device in as claimed in claim 3, it is characterised in that：Described shaft one end, which is equipped with, is mounted on ontology
The limiting section of top, the limiting section is between indicate indicator and ontology；The shaft other end is equipped with fixing nut, institute
Fixing nut is stated between ontology and detection part, the fixing nut palette is in the lower section of ontology；The shaft with
Clearance fit between ontology.
6. leaking on-Line Monitor Device in as described in claim 1, it is characterised in that：The detection part uses impeller；It is described
Indicate indicator uses pointer.
7. the interior leakage on-Line Monitor Device as described in claim 1 or 3, it is characterised in that：The interior leakage on-Line Monitor Device is also
Include the electromagnetic induction part connecting on the outside of valve body and with indicate indicator, indicate indicator rotation cutting electromagnetic induction part
The magnetic line of force send out electric signal, remote indication user's valve occur in leakage.
8. leaking on-Line Monitor Device in as claimed in claim 7, it is characterised in that：The shaft and the one of indicate indicator cooperation
End is convexly equipped with induction rod, and the induction rod sequentially passes through lens and block and is inserted into inside electromagnetic induction part, the induction
Bar rotation can cut the magnetic line of force of electromagnetic induction part generation.
9. leaking on-Line Monitor Device in as claimed in claim 8, it is characterised in that：Described shaft one end is arranged with positioned at instruction
Bushing between component and ontology；The shaft other end is arranged with the fixing nut of bearing holder (housing, cover) and fixing axle bearing sleeve, described
Neck bush and fixing nut are between ontology and detection part；Several sealing rings are equipped between the shaft and ontology.
10. leaking on-Line Monitor Device in as described in claim 1, it is characterised in that：The valve inner is equipped with matches with spool
The valve port of conjunction, the intake channel and exit passageway are located at the following above and of valve port, and the detection part is close to valve port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404431.4A CN108286624B (en) | 2017-12-22 | 2017-12-22 | Internal leakage on-line monitoring device for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404431.4A CN108286624B (en) | 2017-12-22 | 2017-12-22 | Internal leakage on-line monitoring device for valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108286624A true CN108286624A (en) | 2018-07-17 |
| CN108286624B CN108286624B (en) | 2024-05-28 |
Family
ID=62832214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711404431.4A Active CN108286624B (en) | 2017-12-22 | 2017-12-22 | Internal leakage on-line monitoring device for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286624B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090040A (en) * | 2011-10-31 | 2013-05-08 | 朱万枫 | Smart ball valve |
| CN103278218A (en) * | 2013-04-23 | 2013-09-04 | 江苏振华信息科技有限公司 | Flow monitoring device used for mechanical water meter |
| WO2015159040A1 (en) * | 2014-04-14 | 2015-10-22 | Howe Anthony Richard | Device for detecting and preventing water leaks |
| CN206221755U (en) * | 2016-10-25 | 2017-06-06 | 毋刚 | A kind of detection means of family's exception water |
| CN207893242U (en) * | 2017-12-22 | 2018-09-21 | 南通市电站阀门有限公司 | A kind of interior leakage on-Line Monitor Device for valve |
-
2017
- 2017-12-22 CN CN201711404431.4A patent/CN108286624B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090040A (en) * | 2011-10-31 | 2013-05-08 | 朱万枫 | Smart ball valve |
| CN103278218A (en) * | 2013-04-23 | 2013-09-04 | 江苏振华信息科技有限公司 | Flow monitoring device used for mechanical water meter |
| WO2015159040A1 (en) * | 2014-04-14 | 2015-10-22 | Howe Anthony Richard | Device for detecting and preventing water leaks |
| CN206221755U (en) * | 2016-10-25 | 2017-06-06 | 毋刚 | A kind of detection means of family's exception water |
| CN207893242U (en) * | 2017-12-22 | 2018-09-21 | 南通市电站阀门有限公司 | A kind of interior leakage on-Line Monitor Device for valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108286624B (en) | 2024-05-28 |
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